示例#1
0
        /// <summary>
        /// Exports mullion.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="mullion">
        /// The mullion object.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="localPlacement">
        /// The local placement handle.
        /// </param>
        /// <param name="extraParams">
        /// The extrusion creation data.
        /// </param>
        /// <param name="setter">
        /// The IFCPlacementSetter.
        /// </param>
        /// <param name="productWrapper">
        /// The IFCProductWrapper.
        /// </param>
        public static void Export(ExporterIFC exporterIFC, Mullion mullion, GeometryElement geometryElement,
           IFCAnyHandle localPlacement, IFCExtrusionCreationData extraParams, IFCPlacementSetter setter, IFCProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();

            ElementId catId = CategoryUtil.GetSafeCategoryId(mullion);

            BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
            IFCAnyHandle repHnd = RepresentationUtil.CreateBRepProductDefinitionShape(mullion.Document.Application, exporterIFC, mullion, catId,
                geometryElement, bodyExporterOptions, null, extraParams);
            if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
            {
                extraParams.ClearOpenings();
                return;
            }

            string elemGUID = ExporterIFCUtils.CreateGUID(mullion);
            IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
            string elemObjectType = NamingUtil.CreateIFCObjectName(exporterIFC, mullion);
            string elemId = NamingUtil.CreateIFCElementId(mullion);

            IFCAnyHandle mullionHnd = IFCInstanceExporter.CreateMember(file, elemGUID, ownerHistory, elemObjectType, null, elemObjectType,
               localPlacement, repHnd, elemId);
            productWrapper.AddElement(mullionHnd, setter, extraParams, LevelUtil.AssociateElementToLevel(mullion));

            PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, mullion, productWrapper);
        }
 /// <summary>
 /// Constructs a copy of a BodyExporterOptions object.
 /// </summary>
 public BodyExporterOptions(BodyExporterOptions options) 
 {
     TryToExportAsExtrusion = options.TryToExportAsExtrusion;
     TryToExportAsSweptSolid = options.TryToExportAsSweptSolid;
     AllowOffsetTransform = options.AllowOffsetTransform;
     UseMappedGeometriesIfPossible = options.UseMappedGeometriesIfPossible;
     UseGroupsIfPossible = options.UseGroupsIfPossible;
     TessellationControls = options.TessellationControls;
     TessellationLevel = options.TessellationLevel;
 }
        /// <summary>
        /// Exports an element as a covering of type insulation.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        /// <returns>True if exported successfully, false otherwise.</returns>
        protected static bool ExportInsulation(ExporterIFC exporterIFC, Element element,
            GeometryElement geometryElement, ProductWrapper productWrapper)
        {
            if (element == null || geometryElement == null)
                return false;

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.SetLocalPlacement(placementSetter.GetPlacement());

                        ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);

                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                        IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element,
                            categoryId, geometryElement, bodyExporterOptions, null, ecData, true);

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
                        {
                            ecData.ClearOpenings();
                            return false;
                        }

                        string guid = GUIDUtil.CreateGUID(element);
                        IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
                        string revitObjectType = exporterIFC.GetFamilyName();
                        string name = NamingUtil.GetNameOverride(element, revitObjectType);
                        string description = NamingUtil.GetDescriptionOverride(element, null);
                        string objectType = NamingUtil.GetObjectTypeOverride(element, revitObjectType);

                        IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
                        string elementTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));

                        IFCAnyHandle insulation = IFCInstanceExporter.CreateCovering(file, guid,
                            ownerHistory, name, description, objectType, localPlacement, representation, elementTag, IFCCoveringType.Insulation);
                        ExporterCacheManager.ElementToHandleCache.Register(element.Id, insulation);

                        productWrapper.AddElement(element, insulation, placementSetter.GetLevelInfo(), ecData, true);

                        ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, element);
                        CategoryUtil.CreateMaterialAssociation(exporterIFC, insulation, matId);
                    }
                }
                tr.Commit();
                return true;
            }
        }
        /// <summary>
        /// Exports an element as a covering of type insulation.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        /// <returns>True if exported successfully, false otherwise.</returns>
        public static bool ExportDuctLining(ExporterIFC exporterIFC, Element element,
            GeometryElement geometryElement, ProductWrapper productWrapper)
        {
            if (element == null || geometryElement == null)
                return false;

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, element))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.SetLocalPlacement(placementSetter.GetPlacement());

                        ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);

                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                        IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element,
                            categoryId, geometryElement, bodyExporterOptions, null, ecData);

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
                        {
                            ecData.ClearOpenings();
                            return false;
                        }

                        string guid = GUIDUtil.CreateGUID(element);
                        IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
                        string revitObjectType = exporterIFC.GetFamilyName();
                        string name = NamingUtil.GetNameOverride(element, revitObjectType);
                        string description = NamingUtil.GetDescriptionOverride(element, null);
                        string objectType = NamingUtil.GetObjectTypeOverride(element, revitObjectType);

                        IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
                        string elementTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));

                        IFCAnyHandle ductLining = IFCInstanceExporter.CreateCovering(file, guid,
                            ownerHistory, name, description, objectType, localPlacement, representation, elementTag, IFCCoveringType.Wrapping);

                        productWrapper.AddElement(ductLining, placementSetter.GetLevelInfo(), ecData, LevelUtil.AssociateElementToLevel(element));

                        PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);
                    }
                }
                tr.Commit();
                return true;
            }
        }
        /// <summary>
        /// Exports mullion.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="mullion">
        /// The mullion object.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="localPlacement">
        /// The local placement handle.
        /// </param>
        /// <param name="setter">
        /// The IFCPlacementSetter.
        /// </param>
        /// <param name="productWrapper">
        /// The ProductWrapper.
        /// </param>
        public static void Export(ExporterIFC exporterIFC, Mullion mullion, GeometryElement geometryElement,
           IFCAnyHandle localPlacement, IFCPlacementSetter setter, ProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();

            using (IFCPlacementSetter mullionSetter = IFCPlacementSetter.Create(exporterIFC, mullion, null, null, ExporterUtil.GetBaseLevelIdForElement(mullion)))
            {
                using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
                {
                    IFCAnyHandle mullionPlacement = mullionSetter.GetPlacement();

                    Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(localPlacement, mullionPlacement);
                    Transform inverseTrf = relTrf.Inverse;

                    IFCAnyHandle mullionRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
                	IFCAnyHandle mullionLocalPlacement = IFCInstanceExporter.CreateLocalPlacement(file, localPlacement, mullionRelativePlacement);

                    extraParams.SetLocalPlacement(mullionLocalPlacement);

                    ElementId catId = CategoryUtil.GetSafeCategoryId(mullion);

                    BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                    IFCAnyHandle repHnd = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, mullion, catId,
                        geometryElement, bodyExporterOptions, null, extraParams, true);
                    if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
                    {
                        extraParams.ClearOpenings();
                        return;
                    }

                    string elemGUID = GUIDUtil.CreateGUID(mullion);
                    IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
                    string elemObjectType = NamingUtil.CreateIFCObjectName(exporterIFC, mullion);
                    string name = NamingUtil.GetNameOverride(mullion, elemObjectType);
                    string description = NamingUtil.GetDescriptionOverride(mullion, null);
                    string objectType = NamingUtil.GetObjectTypeOverride(mullion, elemObjectType);
                    string elemTag = NamingUtil.GetTagOverride(mullion, NamingUtil.CreateIFCElementId(mullion));

                    IFCAnyHandle mullionHnd = IFCInstanceExporter.CreateMember(file, elemGUID, ownerHistory, name, description, objectType,
                       mullionLocalPlacement, repHnd, elemTag);
                    ExporterCacheManager.HandleToElementCache.Register(mullionHnd, mullion.Id);

                    productWrapper.AddElement(mullion, mullionHnd, mullionSetter, extraParams, false);

                    ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, mullion);
                    CategoryUtil.CreateMaterialAssociation(exporterIFC, mullionHnd, matId);
                }
            }
        }
        /// <summary>
        /// Exports an element as building element proxy.
        /// </summary>
        /// <remarks>
        /// This function is called from the Export function, but can also be called directly if you do not
        /// want CreateInternalPropertySets to be called.
        /// </remarks>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        /// <returns>The handle if created, null otherwise.</returns>
        public static IFCAnyHandle ExportBuildingElementProxy(ExporterIFC exporterIFC, Element element,
            GeometryElement geometryElement, ProductWrapper productWrapper)
        {
            if (element == null || geometryElement == null)
                return null;

            IFCFile file = exporterIFC.GetFile();
            IFCAnyHandle buildingElementProxy = null;
            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.SetLocalPlacement(placementSetter.GetPlacement());

                        ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);

                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                        IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element,
                            categoryId, geometryElement, bodyExporterOptions, null, ecData, true);

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
                        {
                            ecData.ClearOpenings();
                            return null;
                        }

                        string guid = GUIDUtil.CreateGUID(element);
                        IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
                        string revitObjectType = exporterIFC.GetFamilyName();
                        string name = NamingUtil.GetNameOverride(element, revitObjectType);
                        string description = NamingUtil.GetDescriptionOverride(element, null);
                        string objectType = NamingUtil.GetObjectTypeOverride(element, revitObjectType);

                        IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
                        string elementTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));

                        buildingElementProxy = IFCInstanceExporter.CreateBuildingElementProxy(file, guid,
                            ownerHistory, name, description, objectType, localPlacement, representation, elementTag, null);

                        productWrapper.AddElement(element, buildingElementProxy, placementSetter.GetLevelInfo(), ecData, true);
                    }
                    tr.Commit();
                }
            }

            return buildingElementProxy;
        }
示例#7
0
        /// <summary>
        /// Exports an element as building element proxy.
        /// </summary>
        /// <remarks>
        /// This function is called from the Export function, but can also be called directly if you do not
        /// want CreateInternalPropertySets to be called.
        /// </remarks>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="productWrapper">The IFCProductWrapper.</param>
        /// <returns>True if exported successfully, false otherwise.</returns>
        public static bool ExportBuildingElementProxy(ExporterIFC exporterIFC, Element element,
            GeometryElement geometryElement, IFCProductWrapper productWrapper)
        {
            if (element == null || geometryElement == null)
                return false;

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, element))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.SetLocalPlacement(placementSetter.GetPlacement());

                        ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);

                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                        IFCAnyHandle representation = RepresentationUtil.CreateBRepProductDefinitionShape(element.Document.Application, exporterIFC, element,
                            categoryId, geometryElement, bodyExporterOptions, null, ecData);

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
                        {
                            ecData.ClearOpenings();
                            return false;
                        }

                        string guid = ExporterIFCUtils.CreateGUID(element);
                        IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
                        string objectType = exporterIFC.GetFamilyName();
                        IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
                        string elementTag = NamingUtil.CreateIFCElementId(element);

                        IFCAnyHandle buildingElementProxy = IFCInstanceExporter.CreateBuildingElementProxy(file, guid,
                            ownerHistory, objectType, null, objectType, localPlacement, representation, elementTag, Toolkit.IFCElementComposition.Element);

                        productWrapper.AddElement(buildingElementProxy, placementSetter.GetLevelInfo(), ecData, LevelUtil.AssociateElementToLevel(element));
                    }
                    tr.Commit();
                    return true;
                }
            }
        }
        /// <summary>
        /// Exports an element to IfcPile.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="ifcEnumType">The string value represents the IFC type.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        public static void ExportPile(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
           string ifcEnumType, ProductWrapper productWrapper)
        {
            // export parts or not
            bool exportParts = PartExporter.CanExportParts(element);
            if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.Level.Id, false))
                return;

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {                      
                        ecData.SetLocalPlacement(setter.GetPlacement());
                      
                        IFCAnyHandle prodRep = null;
                        ElementId matId = ElementId.InvalidElementId;
                        if (!exportParts)
                        {
                            ElementId catId = CategoryUtil.GetSafeCategoryId(element);


                            matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, element);
                            BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                            prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
                               element, catId, geometryElement, bodyExporterOptions, null, ecData);
                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
                            {
                                ecData.ClearOpenings();
                                return;
                            }
                        }

                        string instanceGUID = GUIDUtil.CreateGUID(element);
                        string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                        string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
                        string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
                        string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
                        Toolkit.IFCPileType pileType = GetPileType(element, ifcEnumType);

                        IFCAnyHandle pile = IFCInstanceExporter.CreatePile(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
                            instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(), prodRep, instanceTag, pileType, null);

                        if (exportParts)
                        {
                            PartExporter.ExportHostPart(exporterIFC, element, pile, productWrapper, setter, setter.GetPlacement(), null);
                        }
                        else
                        {
                            if (matId != ElementId.InvalidElementId)
                            {
                                CategoryUtil.CreateMaterialAssociation(element.Document, exporterIFC, pile, matId);
                            }
                        }

                        productWrapper.AddElement(pile, setter, ecData, LevelUtil.AssociateElementToLevel(element));

                        OpeningUtil.CreateOpeningsIfNecessary(pile, element, ecData, exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);

                        PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);
                    }
                }

                tr.Commit();
            }
        }
示例#9
0
        /// <summary>
        /// Exports a ramp to IfcRamp, without decomposing into separate runs and landings.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="ifcEnumType">The ramp type.</param>
        /// <param name="ramp">The ramp element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="numFlights">The number of flights for a multistory ramp.</param>
        /// <param name="productWrapper">The IFCProductWrapper.</param>
        public static void ExportRamp(ExporterIFC exporterIFC, string ifcEnumType, Element ramp, GeometryElement geometryElement,
                                      int numFlights, IFCProductWrapper productWrapper)
        {
            if (ramp == null || geometryElement == null)
            {
                return;
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, ramp))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.SetLocalPlacement(placementSetter.GetPlacement());

                        ElementId           categoryId          = CategoryUtil.GetSafeCategoryId(ramp);
                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions();
                        IFCAnyHandle        representation      = RepresentationUtil.CreateBRepProductDefinitionShape(ramp.Document.Application,
                                                                                                                      exporterIFC, ramp, categoryId, geometryElement, bodyExporterOptions, null, ecData);

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
                        {
                            ecData.ClearOpenings();
                            return;
                        }

                        string       containedRampGuid           = ExporterIFCUtils.CreateSubElementGUID(ramp, (int)IFCRampSubElements.ContainedRamp);
                        IFCAnyHandle ownerHistory                = exporterIFC.GetOwnerHistoryHandle();
                        string       origRampName                = exporterIFC.GetName();
                        string       rampName                    = NamingUtil.GetNameOverride(ramp, origRampName);
                        string       rampDescription             = NamingUtil.GetDescriptionOverride(ramp, null);
                        string       rampObjectType              = NamingUtil.GetObjectTypeOverride(ramp, NamingUtil.CreateIFCObjectName(exporterIFC, ramp));
                        IFCAnyHandle containedRampLocalPlacement = ExporterUtil.CopyLocalPlacement(file, ecData.GetLocalPlacement());
                        string       elementTag                  = NamingUtil.CreateIFCElementId(ramp);
                        IFCRampType  rampType                    = GetIFCRampType(ifcEnumType);

                        List <IFCAnyHandle> components       = new List <IFCAnyHandle>();
                        IFCAnyHandle        containedRampHnd = IFCInstanceExporter.CreateRamp(file, containedRampGuid, ownerHistory, rampName,
                                                                                              rampDescription, rampObjectType, containedRampLocalPlacement, representation, elementTag, rampType);
                        components.Add(containedRampHnd);
                        productWrapper.AddElement(containedRampHnd, placementSetter.GetLevelInfo(), ecData, false);

                        string       guid           = ExporterIFCUtils.CreateGUID(ramp);
                        IFCAnyHandle localPlacement = ecData.GetLocalPlacement();

                        IFCAnyHandle rampHnd = IFCInstanceExporter.CreateRamp(file, guid, ownerHistory, rampName,
                                                                              rampDescription, rampObjectType, localPlacement, null, elementTag, rampType);

                        productWrapper.AddElement(rampHnd, placementSetter.GetLevelInfo(), ecData, LevelUtil.AssociateElementToLevel(ramp));

                        StairRampContainerInfo stairRampInfo = new StairRampContainerInfo(rampHnd, components, null);
                        ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(ramp.Id, stairRampInfo);

                        ExportMultistoryRamp(exporterIFC, ramp, numFlights,
                                             ownerHistory, localPlacement, containedRampLocalPlacement, representation,
                                             rampName, rampObjectType, rampDescription, elementTag, rampType,
                                             ecData, placementSetter, productWrapper);
                    }
                    PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, ramp, productWrapper);
                    tr.Commit();
                }
            }
        }
示例#10
0
        /// <summary>
        /// Exports a floor to IFC slab.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="floor">
        /// The floor element.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="ifcEnumType">
        /// The string value represents the IFC type.
        /// </param>
        /// <param name="productWrapper">
        /// The ProductWrapper.
        /// </param>
        /// <param name="exportParts">
        /// Whether to export parts or not.
        /// </param>
        /// <returns>
        /// True if the floor is exported successfully, false otherwise.
        /// </returns>
        public static void ExportFloor(ExporterIFC exporterIFC, Element floorElement, GeometryElement geometryElement, string ifcEnumType,
            ProductWrapper productWrapper, bool exportParts)
        {
            if (geometryElement == null)
                return;

            IFCFile file = exporterIFC.GetFile();
            IList<IFCAnyHandle> slabHnds = new List<IFCAnyHandle>();
            IList<IFCAnyHandle> brepSlabHnds = new List<IFCAnyHandle>();
            IList<IFCAnyHandle> nonBrepSlabHnds = new List<IFCAnyHandle>();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCTransformSetter transformSetter = IFCTransformSetter.Create())
                {
                    using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, floorElement))
                    {
                        IFCAnyHandle localPlacement = placementSetter.GetPlacement();
                        IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
                        bool exportedAsInternalExtrusion = false;

                        double scale = exporterIFC.LinearScale;
                        ElementId catId = CategoryUtil.GetSafeCategoryId(floorElement);

                        IList<IFCAnyHandle> prodReps = new List<IFCAnyHandle>();
                        IList<ShapeRepresentationType> repTypes = new List<ShapeRepresentationType>();
                        IList<IList<CurveLoop>> extrusionLoops = new List<IList<CurveLoop>>();
                        IList<IFCExtrusionCreationData> loopExtraParams = new List<IFCExtrusionCreationData>();
                        Plane floorPlane = GeometryUtil.CreateDefaultPlane();

                        IList<IFCAnyHandle> localPlacements = new List<IFCAnyHandle>();

                        if (!exportParts)
                        {
                            // First, try to use the ExtrusionAnalyzer for the limited cases it handles - 1 solid, no openings, end clippings only.
                            // Also limited to cases with line and arc boundaries.
                            //
                            if (floorElement is Floor)
                            {
                                Floor floor = floorElement as Floor;
                                SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSolidMeshGeometry(geometryElement, Transform.Identity);
                                IList<Solid> solids = solidMeshInfo.GetSolids();
                                IList<Mesh> meshes = solidMeshInfo.GetMeshes();

                                if (solids.Count == 1 && meshes.Count == 0)
                                {
                                    IList<Solid> splitVolumes = SolidUtils.SplitVolumes(solids[0]);
                                    if (splitVolumes.Count == 1)
                                    {
                                        bool completelyClipped;
                                        XYZ floorExtrusionDirection = new XYZ(0, 0, -1);
                                        XYZ modelOrigin = XYZ.Zero;

                                        XYZ floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top);
                                        if (floorOrigin == null)
                                        {
                                            // GetVerticalProjectionPoint may return null if FloorFace.Top is an edited face that doesn't
                                            // go thruough te Revit model orgigin.  We'll try the midpoint of the bounding box instead.
                                            BoundingBoxXYZ boundingBox = floor.get_BoundingBox(null);
                                            modelOrigin = (boundingBox.Min + boundingBox.Max) / 2.0;
                                            floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top);
                                        }

                                        if (floorOrigin != null)
                                        {
                                            XYZ floorDir = floor.GetNormalAtVerticalProjectionPoint(floorOrigin, FloorFace.Top);
                                            Plane extrusionAnalyzerFloorPlane = new Plane(floorDir, floorOrigin);

                                            HandleAndData floorAndProperties =
                                                ExtrusionExporter.CreateExtrusionWithClippingAndProperties(exporterIFC, floor,
                                                catId, solids[0], extrusionAnalyzerFloorPlane, floorExtrusionDirection, null, out completelyClipped);
                                            if (completelyClipped)
                                                return;
                                            if (floorAndProperties.Handle != null)
                                            {
                                                IList<IFCAnyHandle> representations = new List<IFCAnyHandle>();
                                                representations.Add(floorAndProperties.Handle);
                                                IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
                                                prodReps.Add(prodRep);
                                                repTypes.Add(ShapeRepresentationType.SweptSolid);

                                                if (floorAndProperties.Data != null)
                                                    loopExtraParams.Add(floorAndProperties.Data);
                                            }
                                        }
                                    }
                                }
                            }

                            // Use internal routine as backup that handles openings.
                            if (prodReps.Count == 0)
                            {
                                exportedAsInternalExtrusion = ExporterIFCUtils.ExportSlabAsExtrusion(exporterIFC, floorElement,
                                    geometryElement, transformSetter, localPlacement, out localPlacements, out prodReps,
                                    out extrusionLoops, out loopExtraParams, floorPlane);
                                for (int ii = 0; ii < prodReps.Count; ii++)
                                {
                                    // all are extrusions
                                    repTypes.Add(ShapeRepresentationType.SweptSolid);
                                }
                            }

                            if (prodReps.Count == 0)
                            {
                                using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                                {
                                    BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                                    bodyExporterOptions.TessellationLevel = BodyExporterOptions.BodyTessellationLevel.Coarse;
                                    BodyData bodyData;
                                    IFCAnyHandle prodDefHnd = RepresentationUtil.CreateBRepProductDefinitionShape(floorElement.Document.Application, exporterIFC,
                                        floorElement, catId, geometryElement, bodyExporterOptions, null, ecData, out bodyData);
                                    if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodDefHnd))
                                    {
                                        ecData.ClearOpenings();
                                        return;
                                    }

                                    prodReps.Add(prodDefHnd);
                                    repTypes.Add(bodyData.ShapeRepresentationType);
                                }
                            }
                        }

                        // Create the slab from either the extrusion or the BRep information.
                        string ifcGUID = GUIDUtil.CreateGUID(floorElement);

                        int numReps = exportParts ? 1 : prodReps.Count;
                        for (int ii = 0; ii < numReps; ii++)
                        {
                            string ifcName = NamingUtil.GetIFCNamePlusIndex(floorElement, ii == 0 ? -1 : ii + 1);
                            string ifcDescription = NamingUtil.GetDescriptionOverride(floorElement, null);
                            string ifcObjectType = NamingUtil.GetObjectTypeOverride(floorElement, exporterIFC.GetFamilyName());
                            string ifcElemId = NamingUtil.CreateIFCElementId(floorElement);

                            string currentGUID = (ii == 0) ? ifcGUID : GUIDUtil.CreateGUID();
                            IFCAnyHandle localPlacementHnd = exportedAsInternalExtrusion ? localPlacements[ii] : localPlacement;
                            IFCSlabType slabType = GetIFCSlabType(ifcEnumType);

                            IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, currentGUID, ownerHistory, ifcName,
                               ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii], ifcElemId, slabType);

                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(slabHnd))
                                return;

                            if (exportParts)
                            {
                                PartExporter.ExportHostPart(exporterIFC, floorElement, slabHnd, productWrapper, placementSetter, localPlacementHnd, null);
                            }

                            slabHnds.Add(slabHnd);

                            if (!exportParts)
                            {
                                if (repTypes[ii] == ShapeRepresentationType.Brep)
                                    brepSlabHnds.Add(slabHnd);
                                else
                                    nonBrepSlabHnds.Add(slabHnd);
                            }
                        }

                        bool associateElementToLevel = LevelUtil.AssociateElementToLevel(floorElement);
                        for (int ii = 0; ii < numReps; ii++)
                        {
                            IFCExtrusionCreationData loopExtraParam = ii < loopExtraParams.Count ? loopExtraParams[ii] : null;
                            productWrapper.AddElement(slabHnds[ii], placementSetter, loopExtraParam, associateElementToLevel);
                        }

                        if (exportedAsInternalExtrusion)
                            ExporterIFCUtils.ExportExtrudedSlabOpenings(exporterIFC, floorElement, placementSetter,
                               localPlacements[0], slabHnds, extrusionLoops, floorPlane, productWrapper.ToNative());

                        PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, floorElement, productWrapper);
                    }

                    if (!exportParts)
                    {
                        if (floorElement is HostObject && nonBrepSlabHnds.Count > 0)
                        {
                            HostObjectExporter.ExportHostObjectMaterials(exporterIFC, floorElement as HostObject, nonBrepSlabHnds,
                                geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3);
                        }

                        if (floorElement is HostObject && brepSlabHnds.Count > 0)
                        {
                            IList<ElementId> matIds = HostObjectExporter.GetMaterialIds(floorElement as HostObject);
                            Document doc = floorElement.Document;
                            foreach (IFCAnyHandle slabHnd in brepSlabHnds)
                            {
                                CategoryUtil.CreateMaterialAssociations(doc, exporterIFC, slabHnd, matIds);
                            }
                        }

                        if (floorElement is FamilyInstance && slabHnds.Count > 0)
                        {
                            ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, floorElement);
                            Document doc = floorElement.Document;
                            foreach (IFCAnyHandle slabHnd in slabHnds)
                            {
                                CategoryUtil.CreateMaterialAssociation(doc, exporterIFC, slabHnd, matId);
                            }
                        }
                    }
                }
                tr.Commit();

                return;
            }
        }
示例#11
0
        /// <summary>
        /// Exports a ramp to IfcRamp, without decomposing into separate runs and landings.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="ifcEnumType">The ramp type.</param>
        /// <param name="ramp">The ramp element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="numFlights">The number of flights for a multistory ramp.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        public static void ExportRamp(ExporterIFC exporterIFC, string ifcEnumType, Element ramp, GeometryElement geometryElement,
                                      int numFlights, ProductWrapper productWrapper)
        {
            if (ramp == null || geometryElement == null)
            {
                return;
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, ramp, null, null, ExporterUtil.GetBaseLevelIdForElement(ramp)))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.SetLocalPlacement(placementSetter.GetPlacement());
                        ecData.ReuseLocalPlacement = false;

                        GeometryElement rampGeom = GeometryUtil.GetOneLevelGeometryElement(geometryElement);

                        BodyData  bodyData;
                        ElementId categoryId = CategoryUtil.GetSafeCategoryId(ramp);

                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions();
                        IFCAnyHandle        representation      = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
                                                                                                                             ramp, categoryId, rampGeom, bodyExporterOptions, null, ecData, out bodyData);

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
                        {
                            ecData.ClearOpenings();
                            return;
                        }

                        string       containedRampGuid           = GUIDUtil.CreateSubElementGUID(ramp, (int)IFCRampSubElements.ContainedRamp);
                        IFCAnyHandle ownerHistory                = exporterIFC.GetOwnerHistoryHandle();
                        string       rampName                    = NamingUtil.GetNameOverride(ramp, NamingUtil.GetIFCName(ramp));
                        string       rampDescription             = NamingUtil.GetDescriptionOverride(ramp, null);
                        string       rampObjectType              = NamingUtil.GetObjectTypeOverride(ramp, NamingUtil.CreateIFCObjectName(exporterIFC, ramp));
                        IFCAnyHandle containedRampLocalPlacement = ExporterUtil.CreateLocalPlacement(file, ecData.GetLocalPlacement(), null);
                        string       elementTag                  = NamingUtil.GetTagOverride(ramp, NamingUtil.CreateIFCElementId(ramp));
                        IFCRampType  rampType                    = GetIFCRampType(ifcEnumType);

                        List <IFCAnyHandle> components = new List <IFCAnyHandle>();
                        IList <IFCExtrusionCreationData> componentExtrusionData = new List <IFCExtrusionCreationData>();
                        IFCAnyHandle containedRampHnd = IFCInstanceExporter.CreateRamp(file, containedRampGuid, ownerHistory, rampName,
                                                                                       rampDescription, rampObjectType, containedRampLocalPlacement, representation, elementTag, rampType);
                        components.Add(containedRampHnd);
                        componentExtrusionData.Add(ecData);
                        //productWrapper.AddElement(containedRampHnd, placementSetter.LevelInfo, ecData, false);
                        CategoryUtil.CreateMaterialAssociations(exporterIFC, containedRampHnd, bodyData.MaterialIds);

                        string       guid           = GUIDUtil.CreateGUID(ramp);
                        IFCAnyHandle localPlacement = ecData.GetLocalPlacement();

                        IFCAnyHandle rampHnd = IFCInstanceExporter.CreateRamp(file, guid, ownerHistory, rampName,
                                                                              rampDescription, rampObjectType, localPlacement, null, elementTag, rampType);

                        productWrapper.AddElement(ramp, rampHnd, placementSetter.GetLevelInfo(), ecData, true);

                        StairRampContainerInfo stairRampInfo = new StairRampContainerInfo(rampHnd, components, localPlacement);
                        ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(ramp.Id, stairRampInfo);

                        ExportMultistoryRamp(exporterIFC, ramp, numFlights, rampHnd, components, componentExtrusionData, placementSetter,
                                             productWrapper);
                    }
                    tr.Commit();
                }
            }
        }
示例#12
0
        /// <summary>
        /// Exports a floor to IFC slab.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="floor">
        /// The floor element.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="ifcEnumType">
        /// The string value represents the IFC type.
        /// </param>
        /// <param name="productWrapper">
        /// The ProductWrapper.
        /// </param>
        /// <param name="exportParts">
        /// Whether to export parts or not.
        /// </param>
        /// <returns>
        /// True if the floor is exported successfully, false otherwise.
        /// </returns>
        public static void ExportFloor(ExporterIFC exporterIFC, Element floorElement, GeometryElement geometryElement, string ifcEnumType,
                                       ProductWrapper productWrapper, bool exportParts)
        {
            if (geometryElement == null)
            {
                return;
            }

            IFCFile file = exporterIFC.GetFile();
            IList <IFCAnyHandle> slabHnds        = new List <IFCAnyHandle>();
            IList <IFCAnyHandle> brepSlabHnds    = new List <IFCAnyHandle>();
            IList <IFCAnyHandle> nonBrepSlabHnds = new List <IFCAnyHandle>();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCTransformSetter transformSetter = IFCTransformSetter.Create())
                {
                    using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, floorElement, null, null, ExporterUtil.GetBaseLevelIdForElement(floorElement)))
                    {
                        IFCAnyHandle localPlacement = placementSetter.GetPlacement();
                        IFCAnyHandle ownerHistory   = exporterIFC.GetOwnerHistoryHandle();
                        bool         exportedAsInternalExtrusion = false;

                        double    scale = exporterIFC.LinearScale;
                        ElementId catId = CategoryUtil.GetSafeCategoryId(floorElement);

                        IList <IFCAnyHandle>             prodReps        = new List <IFCAnyHandle>();
                        IList <ShapeRepresentationType>  repTypes        = new List <ShapeRepresentationType>();
                        IList <IList <CurveLoop> >       extrusionLoops  = new List <IList <CurveLoop> >();
                        IList <IFCExtrusionCreationData> loopExtraParams = new List <IFCExtrusionCreationData>();
                        Plane floorPlane = GeometryUtil.CreateDefaultPlane();

                        IList <IFCAnyHandle> localPlacements = new List <IFCAnyHandle>();

                        if (!exportParts)
                        {
                            // First, try to use the ExtrusionAnalyzer for the limited cases it handles - 1 solid, no openings, end clippings only.
                            // Also limited to cases with line and arc boundaries.
                            //
                            if (floorElement is Floor)
                            {
                                Floor floor = floorElement as Floor;
                                SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement);
                                IList <Solid>         solids        = solidMeshInfo.GetSolids();
                                IList <Mesh>          meshes        = solidMeshInfo.GetMeshes();

                                if (solids.Count == 1 && meshes.Count == 0)
                                {
                                    bool completelyClipped;
                                    XYZ  floorExtrusionDirection = new XYZ(0, 0, -1);
                                    XYZ  modelOrigin             = XYZ.Zero;

                                    XYZ floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top);
                                    if (floorOrigin == null)
                                    {
                                        // GetVerticalProjectionPoint may return null if FloorFace.Top is an edited face that doesn't
                                        // go thruough te Revit model orgigin.  We'll try the midpoint of the bounding box instead.
                                        BoundingBoxXYZ boundingBox = floor.get_BoundingBox(null);
                                        modelOrigin = (boundingBox.Min + boundingBox.Max) / 2.0;
                                        floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top);
                                    }

                                    if (floorOrigin != null)
                                    {
                                        XYZ   floorDir = floor.GetNormalAtVerticalProjectionPoint(floorOrigin, FloorFace.Top);
                                        Plane extrusionAnalyzerFloorPlane = new Plane(floorDir, floorOrigin);

                                        HandleAndData floorAndProperties =
                                            ExtrusionExporter.CreateExtrusionWithClippingAndProperties(exporterIFC, floor,
                                                                                                       catId, solids[0], extrusionAnalyzerFloorPlane, floorExtrusionDirection, null, out completelyClipped);
                                        if (completelyClipped)
                                        {
                                            return;
                                        }
                                        if (floorAndProperties.Handle != null)
                                        {
                                            IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
                                            representations.Add(floorAndProperties.Handle);
                                            IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
                                            prodReps.Add(prodRep);
                                            repTypes.Add(ShapeRepresentationType.SweptSolid);

                                            if (floorAndProperties.Data != null)
                                            {
                                                loopExtraParams.Add(floorAndProperties.Data);
                                            }
                                        }
                                    }
                                }
                            }


                            // Use internal routine as backup that handles openings.
                            if (prodReps.Count == 0)
                            {
                                exportedAsInternalExtrusion = ExporterIFCUtils.ExportSlabAsExtrusion(exporterIFC, floorElement,
                                                                                                     geometryElement, transformSetter, localPlacement, out localPlacements, out prodReps,
                                                                                                     out extrusionLoops, out loopExtraParams, floorPlane);
                                for (int ii = 0; ii < prodReps.Count; ii++)
                                {
                                    // all are extrusions
                                    repTypes.Add(ShapeRepresentationType.SweptSolid);
                                }
                            }

                            if (prodReps.Count == 0)
                            {
                                using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                                {
                                    BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                                    bodyExporterOptions.TessellationLevel = BodyExporter.GetTessellationLevel();
                                    BodyData     bodyData;
                                    IFCAnyHandle prodDefHnd = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
                                                                                                                         floorElement, catId, geometryElement, bodyExporterOptions, null, ecData, out bodyData);
                                    if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodDefHnd))
                                    {
                                        ecData.ClearOpenings();
                                        return;
                                    }

                                    prodReps.Add(prodDefHnd);
                                    repTypes.Add(bodyData.ShapeRepresentationType);
                                }
                            }
                        }

                        // Create the slab from either the extrusion or the BRep information.
                        string ifcGUID = GUIDUtil.CreateGUID(floorElement);

                        int numReps = exportParts ? 1 : prodReps.Count;

                        // Allow export as IfcSlab or IfcFooting.  Ignore altIfcEnumType value; use value passed in.
                        string        altIfcEnumType;
                        IFCExportType exportAs        = ExporterUtil.GetExportType(exporterIFC, floorElement, out altIfcEnumType);
                        bool          exportAsFooting = (exportAs == IFCExportType.ExportFooting);

                        IFCFootingType?footingType = null;
                        IFCSlabType?   slabType    = null;
                        if (exportAsFooting)
                        {
                            footingType = FootingExporter.GetIFCFootingType(ifcEnumType);
                        }
                        else
                        {
                            slabType = GetIFCSlabType(ifcEnumType);
                        }

                        for (int ii = 0; ii < numReps; ii++)
                        {
                            string ifcName        = NamingUtil.GetNameOverride(floorElement, NamingUtil.GetIFCNamePlusIndex(floorElement, ii == 0 ? -1 : ii + 1));
                            string ifcDescription = NamingUtil.GetDescriptionOverride(floorElement, null);
                            string ifcObjectType  = NamingUtil.GetObjectTypeOverride(floorElement, exporterIFC.GetFamilyName());
                            string ifcTag         = NamingUtil.GetTagOverride(floorElement, NamingUtil.CreateIFCElementId(floorElement));

                            string       currentGUID       = (ii == 0) ? ifcGUID : GUIDUtil.CreateGUID();
                            IFCAnyHandle localPlacementHnd = exportedAsInternalExtrusion ? localPlacements[ii] : localPlacement;

                            IFCAnyHandle slabHnd = null;
                            if (exportAsFooting)
                            {
                                slabHnd = IFCInstanceExporter.CreateFooting(file, currentGUID, ownerHistory, ifcName,
                                                                            ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii],
                                                                            ifcTag, footingType.Value);
                            }
                            else
                            {
                                slabHnd = IFCInstanceExporter.CreateSlab(file, currentGUID, ownerHistory, ifcName,
                                                                         ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii],
                                                                         ifcTag, slabType.Value);
                            }

                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(slabHnd))
                            {
                                return;
                            }

                            if (exportParts)
                            {
                                PartExporter.ExportHostPart(exporterIFC, floorElement, slabHnd, productWrapper, placementSetter, localPlacementHnd, null);
                            }

                            slabHnds.Add(slabHnd);

                            if (!exportParts)
                            {
                                if (repTypes[ii] == ShapeRepresentationType.Brep)
                                {
                                    brepSlabHnds.Add(slabHnd);
                                }
                                else
                                {
                                    nonBrepSlabHnds.Add(slabHnd);
                                }
                            }
                        }

                        for (int ii = 0; ii < numReps; ii++)
                        {
                            IFCExtrusionCreationData loopExtraParam = ii < loopExtraParams.Count ? loopExtraParams[ii] : null;
                            productWrapper.AddElement(floorElement, slabHnds[ii], placementSetter, loopExtraParam, true);
                        }

                        if (exportedAsInternalExtrusion)
                        {
                            ExporterIFCUtils.ExportExtrudedSlabOpenings(exporterIFC, floorElement, placementSetter,
                                                                        localPlacements[0], slabHnds, extrusionLoops, floorPlane, productWrapper.ToNative());
                        }
                    }

                    if (!exportParts)
                    {
                        if (floorElement is HostObject)
                        {
                            HostObject hostObject = floorElement as HostObject;
                            if (nonBrepSlabHnds.Count > 0)
                            {
                                HostObjectExporter.ExportHostObjectMaterials(exporterIFC, hostObject, nonBrepSlabHnds,
                                                                             geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, false);
                            }
                            if (brepSlabHnds.Count > 0)
                            {
                                HostObjectExporter.ExportHostObjectMaterials(exporterIFC, hostObject, brepSlabHnds,
                                                                             geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, true);
                            }
                        }
                        else if (floorElement is FamilyInstance && slabHnds.Count > 0)
                        {
                            ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, floorElement);
                            Document  doc   = floorElement.Document;
                            foreach (IFCAnyHandle slabHnd in slabHnds)
                            {
                                CategoryUtil.CreateMaterialAssociation(exporterIFC, slabHnd, matId);
                            }
                        }
                    }
                }
                tr.Commit();

                return;
            }
        }
        /// <summary>
        /// Exports a gutter element.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        public static void ExportGutter(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, ProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.SetLocalPlacement(setter.GetPlacement());

                        ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);

                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions();
                        IFCAnyHandle        bodyRep             = BodyExporter.ExportBody(exporterIFC, element, categoryId, ElementId.InvalidElementId,
                                                                                          geometryElement, bodyExporterOptions, ecData).RepresentationHnd;
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
                        {
                            if (ecData != null)
                            {
                                ecData.ClearOpenings();
                            }
                            return;
                        }

                        IFCAnyHandle        origin      = ExporterUtil.CreateAxis2Placement3D(file);
                        IFCAnyHandle        repMap3dHnd = IFCInstanceExporter.CreateRepresentationMap(file, origin, bodyRep);
                        List <IFCAnyHandle> repMapList  = new List <IFCAnyHandle>();
                        repMapList.Add(repMap3dHnd);
                        string       elementTypeName = NamingUtil.CreateIFCObjectName(exporterIFC, element);
                        IFCAnyHandle style           = IFCInstanceExporter.CreatePipeSegmentType(file, GUIDUtil.CreateGUID(element), exporterIFC.GetOwnerHistoryHandle(),
                                                                                                 elementTypeName, null, null, null, repMapList, NamingUtil.CreateIFCElementId(element), elementTypeName, IFCPipeSegmentType.Gutter);


                        List <IFCAnyHandle> representationMaps = GeometryUtil.GetRepresentationMaps(style);
                        IFCAnyHandle        mappedItem         = ExporterUtil.CreateDefaultMappedItem(file, representationMaps[0]);

                        IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
                        representations.Add(mappedItem);

                        IFCAnyHandle bodyMappedItemRep = RepresentationUtil.CreateBodyMappedItemRep(exporterIFC,
                                                                                                    element, categoryId, exporterIFC.Get3DContextHandle("Body"), representations);
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyMappedItemRep))
                        {
                            return;
                        }

                        List <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>();
                        shapeReps.Add(bodyMappedItemRep);

                        IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, Transform.Identity);
                        if (boundingBoxRep != null)
                        {
                            shapeReps.Add(boundingBoxRep);
                        }

                        IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
                        IFCAnyHandle localPlacementToUse;
                        ElementId    roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse);
                        if (roomId == ElementId.InvalidElementId)
                        {
                            localPlacementToUse = ecData.GetLocalPlacement();
                        }
                        string name        = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                        string description = NamingUtil.GetDescriptionOverride(element, null);
                        string objectType  = NamingUtil.GetObjectTypeOverride(element, elementTypeName);
                        string tag         = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));

                        IFCAnyHandle elemHnd = IFCInstanceExporter.CreateFlowSegment(file, GUIDUtil.CreateGUID(element),
                                                                                     exporterIFC.GetOwnerHistoryHandle(), name, description, objectType, localPlacementToUse, prodRep,
                                                                                     tag);

                        bool containedInSpace = (roomId != ElementId.InvalidElementId);
                        productWrapper.AddElement(element, elemHnd, setter.GetLevelInfo(), ecData, !containedInSpace);

                        if (containedInSpace)
                        {
                            exporterIFC.RelateSpatialElement(roomId, elemHnd);
                        }

                        OpeningUtil.CreateOpeningsIfNecessary(elemHnd, element, ecData, null,
                                                              exporterIFC, localPlacementToUse, setter, productWrapper);
                    }

                    tr.Commit();
                }
            }
        }
示例#14
0
        /// <summary>
        /// Exports a MEP family instance.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="element">
        /// The element.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="productWrapper">
        /// The IFCProductWrapper.
        /// </param>
        public static void Export(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, IFCProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();
            using (IFCTransaction tr = new IFCTransaction(file))
            {
                string ifcEnumType;
                IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType);

                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
                {
                    IFCAnyHandle localPlacementToUse = setter.GetPlacement();
                    using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
                    {

                        ElementId catId = CategoryUtil.GetSafeCategoryId(element);

                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                        IFCAnyHandle productRepresentation = RepresentationUtil.CreateBRepProductDefinitionShape(element.Document.Application,
                           exporterIFC, element, catId, geometryElement, bodyExporterOptions, null, extraParams);
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(productRepresentation))
                        {
                            extraParams.ClearOpenings();
                            return;
                        }

                        IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
                        ElementId typeId = element.GetTypeId();
                        ElementType type = element.Document.GetElement(typeId) as ElementType;
                        FamilyTypeInfo currentTypeInfo = ExporterCacheManager.TypeObjectsCache.Find(typeId, false);

                        bool found = currentTypeInfo.IsValid();
                        if (!found)
                        {
                            string typeGUID = ExporterIFCUtils.CreateGUID(type);
                            string origTypeName = exporterIFC.GetName();
                            string typeName = NamingUtil.GetNameOverride(type, origTypeName);
                            string typeObjectType = NamingUtil.CreateIFCObjectName(exporterIFC, type);
                            string applicableOccurance = NamingUtil.GetObjectTypeOverride(type, typeObjectType);
                            string typeDescription = NamingUtil.GetDescriptionOverride(type, null);
                            string typeElemId = NamingUtil.CreateIFCElementId(type);

                            HashSet<IFCAnyHandle> propertySetsOpt = new HashSet<IFCAnyHandle>();
                            IList<IFCAnyHandle> repMapListOpt = new List<IFCAnyHandle>();

                            IFCAnyHandle styleHandle = FamilyExporterUtil.ExportGenericType(file, exportType, ifcEnumType, typeGUID, ownerHistory, typeName,
                               typeDescription, applicableOccurance, propertySetsOpt, repMapListOpt, typeElemId, typeName, element, type);
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(styleHandle))
                            {
                                currentTypeInfo.Style = styleHandle;
                                ExporterCacheManager.TypeObjectsCache.Register(typeId, false, currentTypeInfo);
                            }
                        }
                        string instanceGUID = ExporterIFCUtils.CreateGUID(element);
                        string origInstanceName = exporterIFC.GetName();
                        string instanceName = NamingUtil.GetNameOverride(element, origInstanceName);
                        string objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element);
                        string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, objectType);
                        string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
                        string instanceElemId = NamingUtil.CreateIFCElementId(element);

                        bool roomRelated = !FamilyExporterUtil.IsDistributionFlowElementSubType(exportType);

                        ElementId roomId = ElementId.InvalidElementId;
                        if (roomRelated)
                        {
                            roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse);
                        }

                        IFCAnyHandle instanceHandle = null;
                        if (FamilyExporterUtil.IsFurnishingElementSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFurnishingElement(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsDistributionFlowElementSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateDistributionFlowElement(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsEnergyConversionDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateEnergyConversionDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowFittingSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowFitting(file, instanceGUID, ownerHistory,
                              instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowMovingDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowMovingDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowSegmentSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowSegment(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowStorageDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowStorageDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowTerminalSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowTerminal(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowTreatmentDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowTreatmentDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowControllerSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowController(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
                            return;

                        if (roomId != ElementId.InvalidElementId)
                        {
                            exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                            productWrapper.AddElement(instanceHandle, setter, extraParams, false);
                        }
                        else
                        {
                            productWrapper.AddElement(instanceHandle, setter, extraParams, LevelUtil.AssociateElementToLevel(element));
                        }

                        OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, element, extraParams, exporterIFC, localPlacementToUse, setter, productWrapper);

                        if (currentTypeInfo.IsValid())
                            ExporterCacheManager.TypeRelationsCache.Add(currentTypeInfo.Style, instanceHandle);

                        PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);

                        ExporterCacheManager.MEPCache.Register(element, instanceHandle);

                        tr.Commit();
                    }
                }
            }
        }
示例#15
0
        /// <summary>
        /// Exports mullion.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="mullion">
        /// The mullion object.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="localPlacement">
        /// The local placement handle.
        /// </param>
        /// <param name="extraParams">
        /// The extrusion creation data.
        /// </param>
        /// <param name="setter">
        /// The IFCPlacementSetter.
        /// </param>
        /// <param name="productWrapper">
        /// The ProductWrapper.
        /// </param>
        public static void Export(ExporterIFC exporterIFC, Mullion mullion, GeometryElement geometryElement,
            IFCAnyHandle localPlacement, IFCExtrusionCreationData extraParams, IFCPlacementSetter setter, ProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();

            using (IFCPlacementSetter mullionSetter = IFCPlacementSetter.Create(exporterIFC, mullion))
            {
                IFCAnyHandle mullionPlacement = mullionSetter.GetPlacement();

                Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(localPlacement, mullionPlacement);
                Transform inverseTrf = relTrf.Inverse;

                IFCAnyHandle mullionRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
                IFCAnyHandle mullionLocalPlacement = IFCInstanceExporter.CreateLocalPlacement(file, localPlacement, mullionRelativePlacement);

                extraParams.SetLocalPlacement(mullionLocalPlacement);

                ElementId catId = CategoryUtil.GetSafeCategoryId(mullion);

                BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                IFCAnyHandle repHnd = RepresentationUtil.CreateBRepProductDefinitionShape(mullion.Document.Application, exporterIFC, mullion, catId,
                    geometryElement, bodyExporterOptions, null, extraParams);
                if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
                {
                    extraParams.ClearOpenings();
                    return;
                }

                string elemGUID = GUIDUtil.CreateGUID(mullion);
                IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
                string elemObjectType = NamingUtil.CreateIFCObjectName(exporterIFC, mullion);
                string elemId = NamingUtil.CreateIFCElementId(mullion);

                IFCAnyHandle mullionHnd = IFCInstanceExporter.CreateMember(file, elemGUID, ownerHistory, elemObjectType, null, elemObjectType,
                   mullionLocalPlacement, repHnd, elemId);
                productWrapper.AddElement(mullionHnd, mullionSetter, extraParams, false);

                ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, mullion);
                CategoryUtil.CreateMaterialAssociation(mullion.Document, exporterIFC, mullionHnd, matId);
                PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, mullion, productWrapper);
            }
        }
示例#16
0
        /// <summary>
        /// Exports a Rebar to IFC ReinforcingMesh.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="element">
        /// The element to be exported.
        /// </param>
        /// <param name="productWrapper">
        /// The IFCProductWrapper.
        /// </param>
        public static void ExportRebar(ExporterIFC exporterIFC,
                                       Rebar element, Autodesk.Revit.DB.View filterView, IFCProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction transaction = new IFCTransaction(file))
            {
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
                {
                    GeometryElement rebarGeometry = ExporterIFCUtils.GetRebarGeometry(element, filterView);

                    // only options are: Not Export, BuildingElementProxy, or ReinforcingBar/Mesh, depending on layout.
                    // Not Export is handled previously, and ReinforcingBar vs Mesh will be determined below.
                    string        ifcEnumType;
                    IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType);

                    if (exportType == IFCExportType.ExportBuildingElementProxy)
                    {
                        if (rebarGeometry != null)
                        {
                            ProxyElementExporter.ExportBuildingElementProxy(exporterIFC, element, rebarGeometry, productWrapper);
                            transaction.Commit();
                        }
                        return;
                    }

                    IFCAnyHandle prodRep = null;
                    using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
                    {
                        extrusionCreationData.SetLocalPlacement(setter.GetPlacement());

                        if (rebarGeometry != null)
                        {
                            ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);

                            BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                            prodRep = BodyExporter.ExportBody(element.Document.Application, exporterIFC, element, categoryId, rebarGeometry, bodyExporterOptions,
                                                              extrusionCreationData).RepresentationHnd;
                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
                            {
                                extrusionCreationData.ClearOpenings();
                            }
                        }

                        double scale = exporterIFC.LinearScale;

                        double barLength = element.TotalLength * scale;
                        if (MathUtil.IsAlmostZero(barLength))
                        {
                            return;
                        }

                        int quantity = element.Quantity;
                        if (quantity < 1)
                        {
                            return;
                        }

                        ElementId    typeId      = element.GetTypeId();
                        RebarBarType elementType = element.Document.GetElement(element.GetTypeId()) as RebarBarType;
                        double       diameter    = elementType == null ? 1.0 / 12.0 : elementType.BarDiameter;
                        double       longitudinalBarNominalDiameter  = diameter * scale;
                        double       longitudinalBarCrossSectionArea = (element.Volume * scale * scale * scale) / barLength;

                        string       steelGradeOpt = null;
                        IFCAnyHandle elemHnd       = null;

                        string rebarGUID        = ExporterIFCUtils.CreateGUID(element);
                        string origRebarName    = exporterIFC.GetName();
                        string rebarName        = NamingUtil.GetNameOverride(element, origRebarName);
                        string rebarDescription = NamingUtil.GetDescriptionOverride(element, null);
                        string rebarObjectType  = NamingUtil.GetObjectTypeOverride(element, NamingUtil.CreateIFCObjectName(exporterIFC, element));
                        string rebarElemId      = NamingUtil.CreateIFCElementId(element);

                        if (element.LayoutRule == RebarLayoutRule.Single || (quantity == 1))
                        {
                            IFCReinforcingBarRole role = IFCReinforcingBarRole.NotDefined;
                            elemHnd = IFCInstanceExporter.CreateReinforcingBar(file, rebarGUID, exporterIFC.GetOwnerHistoryHandle(),
                                                                               rebarName, rebarDescription, rebarObjectType, extrusionCreationData.GetLocalPlacement(),
                                                                               prodRep, rebarElemId, steelGradeOpt, longitudinalBarNominalDiameter, longitudinalBarCrossSectionArea,
                                                                               barLength, role, null);
                        }
                        else
                        {
                            double meshLength;
                            double longitudinalBarSpacing;
                            double val = element.ArrayLength * scale;

                            if (element.LayoutRule == RebarLayoutRule.NumberWithSpacing)
                            {
                                longitudinalBarSpacing = val;
                                meshLength             = val * (quantity - 1);
                            }
                            else
                            {
                                meshLength             = val;
                                longitudinalBarSpacing = val / (quantity - 1);
                            }

                            double meshWidth = diameter * scale; // array is in one direction only.
                            double transverseBarNominalDiameter  = longitudinalBarNominalDiameter;
                            double transverseBarCrossSectionArea = longitudinalBarCrossSectionArea;
                            double transverseBarSpacing          = longitudinalBarSpacing;

                            elemHnd = IFCInstanceExporter.CreateReinforcingMesh(file, rebarGUID,
                                                                                exporterIFC.GetOwnerHistoryHandle(), rebarName,
                                                                                rebarDescription, rebarObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, rebarElemId,
                                                                                steelGradeOpt, meshLength, meshWidth, longitudinalBarNominalDiameter,
                                                                                transverseBarNominalDiameter, longitudinalBarCrossSectionArea,
                                                                                transverseBarCrossSectionArea, longitudinalBarSpacing,
                                                                                transverseBarSpacing);
                        }

                        productWrapper.AddElement(elemHnd, setter.GetLevelInfo(), extrusionCreationData, true);

                        PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);
                    }
                }
                transaction.Commit();
            }
        }
示例#17
0
        /// <summary>
        /// Exports a roof to IfcRoof.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="ifcEnumType">The roof type.</param>
        /// <param name="roof">The roof element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="productWrapper">The IFCProductWrapper.</param>
        public static void ExportRoof(ExporterIFC exporterIFC, string ifcEnumType, Element roof, GeometryElement geometryElement,
                                      IFCProductWrapper productWrapper)
        {
            if (roof == null || geometryElement == null)
            {
                return;
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, roof))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.PossibleExtrusionAxes   = IFCExtrusionAxes.TryZ;
                        ecData.AreInnerRegionsOpenings = true;
                        ecData.SetLocalPlacement(placementSetter.GetPlacement());

                        ElementId categoryId = CategoryUtil.GetSafeCategoryId(roof);

                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                        IFCAnyHandle        representation      = RepresentationUtil.CreateBRepProductDefinitionShape(roof.Document.Application, exporterIFC, roof,
                                                                                                                      categoryId, geometryElement, bodyExporterOptions, null, ecData);

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
                        {
                            ecData.ClearOpenings();
                            return;
                        }

                        bool exportSlab = ecData.ScaledLength > MathUtil.Eps();

                        string       guid            = ExporterIFCUtils.CreateGUID(roof);
                        IFCAnyHandle ownerHistory    = exporterIFC.GetOwnerHistoryHandle();
                        string       origRoofName    = exporterIFC.GetName();
                        string       roofName        = NamingUtil.GetNameOverride(roof, origRoofName);
                        string       roofDescription = NamingUtil.GetDescriptionOverride(roof, null);
                        string       roofObjectType  = NamingUtil.GetObjectTypeOverride(roof, NamingUtil.CreateIFCObjectName(exporterIFC, roof));
                        IFCAnyHandle localPlacement  = ecData.GetLocalPlacement();
                        string       elementTag      = NamingUtil.CreateIFCElementId(roof);
                        IFCRoofType  roofType        = GetIFCRoofType(ifcEnumType);

                        IFCAnyHandle roofHnd = IFCInstanceExporter.CreateRoof(file, guid, ownerHistory, roofName, roofDescription,
                                                                              roofObjectType, localPlacement, exportSlab ? null : representation, elementTag, roofType);

                        productWrapper.AddElement(roofHnd, placementSetter.GetLevelInfo(), ecData, LevelUtil.AssociateElementToLevel(roof));

                        if (exportSlab)
                        {
                            string       slabGUID = ExporterIFCUtils.CreateSubElementGUID(roof, (int)IFCRoofSubElements.RoofSlabStart);
                            string       slabName = roofName + ":1";
                            IFCAnyHandle slabLocalPlacementHnd = ExporterUtil.CopyLocalPlacement(file, localPlacement);

                            IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, slabGUID, ownerHistory, slabName,
                                                                                  roofDescription, roofObjectType, slabLocalPlacementHnd, representation, elementTag, IFCSlabType.Roof);
                            OpeningUtil.CreateOpeningsIfNecessary(slabHnd, roof, ecData, exporterIFC, slabLocalPlacementHnd,
                                                                  placementSetter, productWrapper);

                            ExporterUtil.RelateObject(exporterIFC, roofHnd, slabHnd);

                            productWrapper.AddElement(slabHnd, placementSetter.GetLevelInfo(), ecData, false);
                        }
                    }
                    tr.Commit();
                }
            }
        }
        /// <summary>
        /// Exports an element as IFC covering.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="element">
        /// The element to be exported.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="productWrapper">
        /// The ProductWrapper.
        /// </param>
        public static void ExportCovering(ExporterIFC exporterIFC, Element element, GeometryElement geomElem, string ifcEnumType, ProductWrapper productWrapper)
        {
            bool exportParts = PartExporter.CanExportParts(element);
            if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.Level.Id, false))
                return;

            ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType;
            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction transaction = new IFCTransaction(file))
            {
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        IFCAnyHandle prodRep = null;
                        if (!exportParts)
                        {
                            ecData.SetLocalPlacement(setter.GetPlacement());
                            ecData.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;

                            ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);

                            BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                            prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element,
                                categoryId, geomElem, bodyExporterOptions, null, ecData);
                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
                            {
                                ecData.ClearOpenings();
                                return;
                            }
                        }
                        string instanceGUID = GUIDUtil.CreateGUID(element);
                        string instanceName = NamingUtil.GetIFCName(element);
                        string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
                        string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
                        string instanceElemId = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
                        Toolkit.IFCCoveringType coveringType = GetIFCCoveringType(element, ifcEnumType);

                        IFCAnyHandle covering = IFCInstanceExporter.CreateCovering(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
                            instanceName, instanceDescription, instanceObjectType, setter.GetPlacement(), prodRep, instanceElemId, coveringType);

                        if (exportParts)
                        {
                            PartExporter.ExportHostPart(exporterIFC, element, covering, productWrapper, setter, setter.GetPlacement(), null);
                        }

                        Boolean containInSpace = false;
                        IFCAnyHandle localPlacementToUse = setter.GetPlacement();

                        // Assign ceiling to room/IfcSpace if it is bounding a single Room for FMHandOver view only
                        ExportOptionsCache exportOptionsCache = ExporterCacheManager.ExportOptionsCache;
                        if (String.Compare(exportOptionsCache.SelectedConfigName, "FMHandOverView") == 0)
                        {
                            if (ExporterCacheManager.CeilingSpaceRelCache.ContainsKey(element.Id))
                            {
                                IList<ElementId> roomlist = ExporterCacheManager.CeilingSpaceRelCache[element.Id];

                                // Process Ceiling to be contained in a Space only when it is exactly bounding one Space
                                if (roomlist.Count == 1)
                                {
                                    productWrapper.AddElement(covering, setter, null, false);

                                    // Modify the Ceiling placement to be relative to the Space that it bounds 
                                    IFCAnyHandle roomPlacement = IFCAnyHandleUtil.GetObjectPlacement(ExporterCacheManager.SpatialElementHandleCache.Find(roomlist[0]));
                                    Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(roomPlacement, localPlacementToUse);
                                    Transform inverseTrf = relTrf.Inverse;
                                    IFCAnyHandle relLocalPlacement = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
                                    IFCAnyHandleUtil.SetAttribute(localPlacementToUse, "PlacementRelTo", roomPlacement);
                                    GeometryUtil.SetRelativePlacement(localPlacementToUse, relLocalPlacement);

                                    exporterIFC.RelateSpatialElement(roomlist[0], covering);
                                    containInSpace = true;
                                }
                            }
                        }

                        // if not contained in Space, assign it to default containment in Level
                        if (!containInSpace)
                            productWrapper.AddElement(covering, setter, null, LevelUtil.AssociateElementToLevel(element));

                        if (!exportParts)
                        {
                            Ceiling ceiling = element as Ceiling;
                            if (ceiling != null)
                            {
                                HostObjectExporter.ExportHostObjectMaterials(exporterIFC, ceiling, covering,
                                    geomElem, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3);
                            }
                            else
                            {
                                ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geomElem, exporterIFC, element);
                                CategoryUtil.CreateMaterialAssociation(element.Document, exporterIFC, covering, matId);
                            }
                        }

                        OpeningUtil.CreateOpeningsIfNecessary(covering, element, ecData, exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);

                        PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);
                    }
                }
                transaction.Commit();
            }
        }
示例#19
0
        /// <summary>
        /// Exports a staircase to IfcStair, without decomposing into separate runs and landings.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="ifcEnumType">The stairs type.</param>
        /// <param name="stair">The stairs element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="numFlights">The number of flights for a multistory staircase.</param>
        /// <param name="productWrapper">The IFCProductWrapper.</param>
        public static void ExportStairAsSingleGeometry(ExporterIFC exporterIFC, string ifcEnumType, Element stair, GeometryElement geometryElement,
            int numFlights, IFCProductWrapper productWrapper)
        {
            if (stair == null || geometryElement == null)
                return;

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, stair))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.SetLocalPlacement(placementSetter.GetPlacement());
                        ecData.ReuseLocalPlacement = false;

                        GeometryElement stairsGeom = GeometryUtil.GetOneLevelGeometryElement(geometryElement);

                        BodyData bodyData;
                        ElementId categoryId = CategoryUtil.GetSafeCategoryId(stair);

                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions();
                        IFCAnyHandle representation = RepresentationUtil.CreateBRepProductDefinitionShape(stair.Document.Application, exporterIFC,
                            stair, categoryId, stairsGeom, bodyExporterOptions, null, ecData, out bodyData);

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
                        {
                            ecData.ClearOpenings();
                            return;
                        }

                        string containedStairGuid = ExporterIFCUtils.CreateSubElementGUID(stair, (int)IFCStairSubElements.ContainedStair);
                        IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
                        string origStairName = exporterIFC.GetName();
                        string stairName = NamingUtil.GetNameOverride(stair, origStairName);
                        string stairDescription = NamingUtil.GetDescriptionOverride(stair, null);
                        string stairObjectType = NamingUtil.GetObjectTypeOverride(stair, NamingUtil.CreateIFCObjectName(exporterIFC, stair));
                        IFCAnyHandle containedStairLocalPlacement = ecData.GetLocalPlacement();
                        string elementTag = NamingUtil.CreateIFCElementId(stair);
                        IFCStairType stairType = GetIFCStairType(ifcEnumType);

                        List<IFCAnyHandle> components = new List<IFCAnyHandle>();
                        IList<IFCExtrusionCreationData> componentExtrusionData = new List<IFCExtrusionCreationData>();
                        IFCAnyHandle containedStairHnd = IFCInstanceExporter.CreateStair(file, containedStairGuid, ownerHistory, stairName,
                            stairDescription, stairObjectType, containedStairLocalPlacement, representation, elementTag, stairType);
                        components.Add(containedStairHnd);
                        componentExtrusionData.Add(ecData);
                        //productWrapper.AddElement(containedStairHnd, placementSetter.GetLevelInfo(), ecData, false);

                        string guid = ExporterIFCUtils.CreateGUID(stair);
                        IFCAnyHandle localPlacement = ecData.GetLocalPlacement();

                        IFCAnyHandle stairHnd = IFCInstanceExporter.CreateStair(file, guid, ownerHistory, stairName,
                            stairDescription, stairObjectType, localPlacement, null, elementTag, stairType);

                        productWrapper.AddElement(stairHnd, placementSetter.GetLevelInfo(), ecData, LevelUtil.AssociateElementToLevel(stair));

                        IFCAnyHandle emptyPlacement = null;
                        StairRampContainerInfo stairRampInfo = new StairRampContainerInfo(stairHnd, components, emptyPlacement);
                        ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(stair.Id, stairRampInfo);

                        ExportMultistoryStair(exporterIFC, stair, numFlights, stairHnd, components, componentExtrusionData,
                            bodyData.MaterialIds, placementSetter, productWrapper);
                    }
                    tr.Commit();
                }
            }
        }
        /// <summary>
        /// Exports a MEP family instance.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="exportType">The export type of the element.
        /// <param name="ifcEnumType">The sub-type of the element.</param></param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        /// <returns>True if an entity was created, false otherwise.</returns>
        public static bool Export(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
                                  IFCExportType exportType, string ifcEnumType, ProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
                {
                    IFCAnyHandle localPlacementToUse = setter.GetPlacement();
                    using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
                    {
                        extraParams.SetLocalPlacement(localPlacementToUse);

                        ElementId catId = CategoryUtil.GetSafeCategoryId(element);

                        BodyExporterOptions bodyExporterOptions   = new BodyExporterOptions(true);
                        BodyData            bodyData              = null;
                        IFCAnyHandle        productRepresentation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
                                                                                                                               element, catId, geometryElement, bodyExporterOptions, null, extraParams, out bodyData);
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(productRepresentation))
                        {
                            extraParams.ClearOpenings();
                            return(false);
                        }

                        IFCAnyHandle   ownerHistory    = exporterIFC.GetOwnerHistoryHandle();
                        ElementId      typeId          = element.GetTypeId();
                        ElementType    type            = element.Document.GetElement(typeId) as ElementType;
                        FamilyTypeInfo currentTypeInfo = ExporterCacheManager.TypeObjectsCache.Find(typeId, false);

                        bool found = currentTypeInfo.IsValid();
                        if (!found)
                        {
                            string typeGUID            = GUIDUtil.CreateGUID(type);
                            string typeName            = NamingUtil.GetNameOverride(type, NamingUtil.GetIFCName(type));
                            string typeObjectType      = NamingUtil.GetObjectTypeOverride(type, NamingUtil.CreateIFCObjectName(exporterIFC, type));
                            string applicableOccurence = NamingUtil.GetOverrideStringValue(type, "IfcApplicableOccurrence", typeObjectType);
                            string typeDescription     = NamingUtil.GetDescriptionOverride(type, null);
                            string typeTag             = NamingUtil.GetTagOverride(type, NamingUtil.CreateIFCElementId(type));
                            string typeElementType     = NamingUtil.GetOverrideStringValue(type, "IfcElementType", typeName);

                            IList <IFCAnyHandle> repMapListOpt = new List <IFCAnyHandle>();

                            IFCAnyHandle styleHandle = FamilyExporterUtil.ExportGenericType(exporterIFC, exportType, ifcEnumType, typeGUID, typeName,
                                                                                            typeDescription, applicableOccurence, null, repMapListOpt, typeTag, typeElementType, element, type);
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(styleHandle))
                            {
                                productWrapper.RegisterHandleWithElementType(type, styleHandle, null);

                                currentTypeInfo.Style = styleHandle;
                                ExporterCacheManager.TypeObjectsCache.Register(typeId, false, currentTypeInfo);
                            }
                        }
                        string instanceGUID        = GUIDUtil.CreateGUID(element);
                        string instanceName        = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                        string instanceObjectType  = NamingUtil.GetObjectTypeOverride(element, NamingUtil.CreateIFCObjectName(exporterIFC, element));
                        string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
                        string instanceTag         = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));

                        bool roomRelated = !FamilyExporterUtil.IsDistributionFlowElementSubType(exportType);

                        ElementId roomId = ElementId.InvalidElementId;
                        if (roomRelated)
                        {
                            roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse);
                        }

                        IFCAnyHandle instanceHandle = null;
                        if (FamilyExporterUtil.IsFurnishingElementSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFurnishingElement(file, instanceGUID, ownerHistory,
                                                                                         instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsDistributionFlowElementSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateDistributionFlowElement(file, instanceGUID, ownerHistory,
                                                                                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsEnergyConversionDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateEnergyConversionDevice(file, instanceGUID, ownerHistory,
                                                                                              instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowFittingSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowFitting(file, instanceGUID, ownerHistory,
                                                                                   instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowMovingDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowMovingDevice(file, instanceGUID, ownerHistory,
                                                                                        instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowSegmentSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowSegment(file, instanceGUID, ownerHistory,
                                                                                   instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowStorageDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowStorageDevice(file, instanceGUID, ownerHistory,
                                                                                         instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowTerminalSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowTerminal(file, instanceGUID, ownerHistory,
                                                                                    instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowTreatmentDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowTreatmentDevice(file, instanceGUID, ownerHistory,
                                                                                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowControllerSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowController(file, instanceGUID, ownerHistory,
                                                                                      instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
                        {
                            return(false);
                        }

                        bool relatedToSpace = (roomId != ElementId.InvalidElementId);
                        productWrapper.AddElement(element, instanceHandle, setter, extraParams, !relatedToSpace);
                        if (relatedToSpace)
                        {
                            exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                        }

                        OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, element, extraParams, null,
                                                              exporterIFC, localPlacementToUse, setter, productWrapper);

                        if (currentTypeInfo.IsValid())
                        {
                            ExporterCacheManager.TypeRelationsCache.Add(currentTypeInfo.Style, instanceHandle);
                        }

                        if (bodyData != null && bodyData.MaterialIds.Count != 0)
                        {
                            CategoryUtil.CreateMaterialAssociations(exporterIFC, instanceHandle, bodyData.MaterialIds);
                        }

                        ExporterCacheManager.MEPCache.Register(element, instanceHandle);

                        tr.Commit();
                    }
                }
            }
            return(true);
        }
示例#21
0
        /// <summary>
        /// Exports a legacy staircase or ramp to IfcStair or IfcRamp, composing into separate runs and landings.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="ifcEnumType">>The ifc type.</param>
        /// <param name="legacyStair">The legacy stairs or ramp element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="useCoarseTessellation">Export using a coarse tessellation if true.</param>
        /// <param name="productWrapper">The IFCProductWrapper.</param>
        public static void ExportLegacyStairOrRampAsContainer(ExporterIFC exporterIFC, string ifcEnumType, Element legacyStair, GeometryElement geometryElement,
            bool useCoarseTessellation, IFCProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();
            Autodesk.Revit.ApplicationServices.Application app = legacyStair.Document.Application;
            ElementId categoryId = CategoryUtil.GetSafeCategoryId(legacyStair);

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, legacyStair))
                {
                    IFCLegacyStairOrRamp legacyStairOrRamp = ExporterIFCUtils.GetLegacyStairOrRampComponents(exporterIFC, legacyStair);
                    if (legacyStairOrRamp == null)
                        return;

                    bool isRamp = legacyStairOrRamp.IsRamp;

                    using (IFCExtrusionCreationData ifcECData = new IFCExtrusionCreationData())
                    {
                        ifcECData.SetLocalPlacement(placementSetter.GetPlacement());

                        string stairDescription = NamingUtil.GetDescriptionOverride(legacyStair, null);
                        string stairObjectType = NamingUtil.GetObjectTypeOverride(legacyStair, NamingUtil.CreateIFCObjectName(exporterIFC, legacyStair));
                        string stairElementTag = NamingUtil.CreateIFCElementId(legacyStair);

                        double defaultHeight = GetDefaultHeightForLegacyStair(exporterIFC.LinearScale);
                        double stairHeight = GetStairsHeightForLegacyStair(exporterIFC, legacyStair, defaultHeight);
                        int numFlights = GetNumFlightsForLegacyStair(exporterIFC, legacyStair, defaultHeight);

                        List<IFCLevelInfo> localLevelInfoForFlights = new List<IFCLevelInfo>();
                        List<IFCAnyHandle> localPlacementForFlights = new List<IFCAnyHandle>();
                        List<List<IFCAnyHandle>> components = new List<List<IFCAnyHandle>>();

                        components.Add(new List<IFCAnyHandle>());
                        if (numFlights > 1)
                        {
                            XYZ zDir = new XYZ(0.0, 0.0, 1.0);
                            XYZ xDir = new XYZ(1.0, 0.0, 0.0);
                            for (int ii = 1; ii < numFlights; ii++)
                            {
                                components.Add(new List<IFCAnyHandle>());
                                double newOffsetScaled = 0.0;
                                IFCAnyHandle newLevelHnd = null;
                                localLevelInfoForFlights.Add(
                                    placementSetter.GetOffsetLevelInfoAndHandle(stairHeight * ii, exporterIFC.LinearScale, out newLevelHnd, out newOffsetScaled));

                                XYZ orig = new XYZ(0.0, 0.0, newOffsetScaled);
                                IFCAnyHandle relativePlacement = ExporterUtil.CreateAxis2Placement3D(file, orig, zDir, xDir);
                                localPlacementForFlights.Add(IFCInstanceExporter.CreateLocalPlacement(file, newLevelHnd, relativePlacement));
                            }
                        }

                        IList<IFCAnyHandle> walkingLineReps = legacyStairOrRamp.GetWalkingLineRepresentations();
                        IList<IFCAnyHandle> boundaryReps = legacyStairOrRamp.GetBoundaryRepresentations();
                        IList<IList<GeometryObject>> geometriesOfRuns = legacyStairOrRamp.GetRunGeometries();
                        IList<int> numRisers = legacyStairOrRamp.GetNumberOfRisers();
                        IList<int> numTreads = legacyStairOrRamp.GetNumberOfTreads();
                        IList<double> treadsLength = legacyStairOrRamp.GetTreadsLength();
                        double riserHeight = legacyStairOrRamp.RiserHeight;

                        int runCount = geometriesOfRuns.Count;
                        for (int ii = 0; ii < runCount; ii++)
                        {
                            BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                            if (useCoarseTessellation)
                                bodyExporterOptions.TessellationLevel = BodyExporterOptions.BodyTessellationLevel.Coarse;

                            IList<GeometryObject> geometriesOfARun = geometriesOfRuns[ii];
                            BodyData bodyData = BodyExporter.ExportBody(app, exporterIFC, legacyStair, categoryId, geometriesOfARun,
                                bodyExporterOptions, null);

                            IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
                            {
                                continue;
                            }


                            HashSet<IFCAnyHandle> flightHnds = new HashSet<IFCAnyHandle>();
                            List<IFCAnyHandle> representations = new List<IFCAnyHandle>();
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(walkingLineReps[ii]))
                            {
                                representations.Add(walkingLineReps[ii]);
                            }
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(boundaryReps[ii]))
                            {
                                representations.Add(boundaryReps[ii]);
                            }
                            representations.Add(bodyRep);

                            IFCAnyHandle flightRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
                            IFCAnyHandle flightLocalPlacement = ExporterUtil.CopyLocalPlacement(file, placementSetter.GetPlacement());

                            IFCAnyHandle flightHnd;
                            string stairName = NamingUtil.GetNameOverride(legacyStair, NamingUtil.CreateIFCName(exporterIFC, ii + 1));
                            if (isRamp)
                            {
                                flightHnd = IFCInstanceExporter.CreateRampFlight(file, ExporterIFCUtils.CreateGUID(), exporterIFC.GetOwnerHistoryHandle(),
                                    stairName, stairDescription, stairObjectType, flightLocalPlacement, flightRep, stairElementTag);
                                flightHnds.Add(flightHnd);
                                productWrapper.AddElement(flightHnd, placementSetter.GetLevelInfo(), null, false);
                            }
                            else
                            {
                                flightHnd = IFCInstanceExporter.CreateStairFlight(file, ExporterIFCUtils.CreateGUID(), exporterIFC.GetOwnerHistoryHandle(),
                                    stairName, stairDescription, stairObjectType, flightLocalPlacement, flightRep, stairElementTag, numRisers[ii], numTreads[ii],
                                    riserHeight, treadsLength[ii]);
                                flightHnds.Add(flightHnd);
                                productWrapper.AddElement(flightHnd, placementSetter.GetLevelInfo(), null, false);
                            }

                            components[0].Add(flightHnd);
                            for (int compIdx = 1; compIdx < numFlights; compIdx++)
                            {
                                if (isRamp)
                                {
                                    IFCAnyHandle newLocalPlacement = ExporterUtil.CopyLocalPlacement(file, localPlacementForFlights[compIdx - 1]);
                                    IFCAnyHandle newProdRep = ExporterUtil.CopyProductDefinitionShape(exporterIFC, legacyStair, categoryId, IFCAnyHandleUtil.GetRepresentation(flightHnd));
                                    flightHnd = IFCInstanceExporter.CreateRampFlight(file, ExporterIFCUtils.CreateGUID(), exporterIFC.GetOwnerHistoryHandle(),
                                        stairName, stairDescription, stairObjectType, newLocalPlacement, newProdRep, stairElementTag);
                                    components[compIdx].Add(flightHnd);
                                }
                                else
                                {
                                    IFCAnyHandle newLocalPlacement = ExporterUtil.CopyLocalPlacement(file, localPlacementForFlights[compIdx - 1]);
                                    IFCAnyHandle newProdRep = ExporterUtil.CopyProductDefinitionShape(exporterIFC, legacyStair, categoryId, IFCAnyHandleUtil.GetRepresentation(flightHnd));

                                    flightHnd = IFCInstanceExporter.CreateStairFlight(file, ExporterIFCUtils.CreateGUID(), exporterIFC.GetOwnerHistoryHandle(),
                                        stairName, stairDescription, stairObjectType, newLocalPlacement, newProdRep, stairElementTag,
                                        numRisers[ii], numTreads[ii], riserHeight, treadsLength[ii]);
                                    components[compIdx].Add(flightHnd);
                                }
                                productWrapper.AddElement(flightHnd, placementSetter.GetLevelInfo(), null, false);
                                flightHnds.Add(flightHnd);
                            }
                        }

                        IList<IList<GeometryObject>> geometriesOfLandings = legacyStairOrRamp.GetLandingGeometries();
                        for (int ii = 0; ii < geometriesOfLandings.Count; ii++)
                        {
                            using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                            {
                                BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                                bodyExporterOptions.TessellationLevel = BodyExporterOptions.BodyTessellationLevel.Coarse;
                                IList<GeometryObject> geometriesOfALanding = geometriesOfLandings[ii];
                                BodyData bodyData = BodyExporter.ExportBody(app, exporterIFC, legacyStair, categoryId, geometriesOfALanding,
                                    bodyExporterOptions, ecData);

                                IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
                                if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
                                {
                                    ecData.ClearOpenings();
                                    continue;
                                }

                                List<IFCAnyHandle> representations = new List<IFCAnyHandle>();
                                if (!IFCAnyHandleUtil.IsNullOrHasNoValue(walkingLineReps[ii + runCount]))
                                {
                                    representations.Add(walkingLineReps[ii + runCount]);
                                }
                                if (!IFCAnyHandleUtil.IsNullOrHasNoValue(boundaryReps[ii + runCount]))
                                {
                                    representations.Add(boundaryReps[ii + runCount]);
                                }
                                representations.Add(bodyRep);

                                IFCAnyHandle shapeHnd = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
                                IFCAnyHandle landingLocalPlacement = ExporterUtil.CopyLocalPlacement(file, placementSetter.GetPlacement());
                                string stairName = NamingUtil.GetNameOverride(legacyStair, NamingUtil.CreateIFCName(exporterIFC, ii + 1));

                                IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, ExporterIFCUtils.CreateGUID(), exporterIFC.GetOwnerHistoryHandle(),
                                    stairName, stairDescription, stairObjectType, landingLocalPlacement, shapeHnd, stairElementTag, IFCSlabType.Landing);
                                productWrapper.AddElement(slabHnd, placementSetter.GetLevelInfo(), ecData, false);

                                components[0].Add(slabHnd);
                                for (int compIdx = 1; compIdx < numFlights; compIdx++)
                                {
                                    IFCAnyHandle newLocalPlacement = ExporterUtil.CopyLocalPlacement(file, localPlacementForFlights[compIdx - 1]);
                                    IFCAnyHandle newProdRep = ExporterUtil.CopyProductDefinitionShape(exporterIFC, legacyStair, categoryId, IFCAnyHandleUtil.GetRepresentation(slabHnd));

                                    IFCAnyHandle newSlabHnd = IFCInstanceExporter.CreateSlab(file, ExporterIFCUtils.CreateGUID(), exporterIFC.GetOwnerHistoryHandle(),
                                        stairName, stairDescription, stairObjectType, newLocalPlacement, newProdRep, stairElementTag, IFCSlabType.Landing);
                                    components[compIdx].Add(newSlabHnd);
                                    productWrapper.AddElement(newSlabHnd, placementSetter.GetLevelInfo(), ecData, false);
                                }
                            }
                        }

                        IList<GeometryObject> geometriesOfStringer = legacyStairOrRamp.GetStringerGeometries();
                        for (int ii = 0; ii < geometriesOfStringer.Count; ii++)
                        {
                            using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                            {
                                BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                                bodyExporterOptions.TessellationLevel = BodyExporterOptions.BodyTessellationLevel.Coarse;
                                GeometryObject geometryOfStringer = geometriesOfStringer[ii];
                                BodyData bodyData = BodyExporter.ExportBody(app, exporterIFC, legacyStair, categoryId, geometryOfStringer,
                                    bodyExporterOptions, ecData);

                                IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
                                if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
                                {
                                    ecData.ClearOpenings();
                                    continue;
                                }

                                List<IFCAnyHandle> representations = new List<IFCAnyHandle>();
                                representations.Add(bodyRep);

                                IFCAnyHandle stringerRepHnd = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
                                IFCAnyHandle stringerLocalPlacement = ExporterUtil.CopyLocalPlacement(file, placementSetter.GetPlacement());
                                string stairName = NamingUtil.GetNameOverride(legacyStair, NamingUtil.CreateIFCName(exporterIFC, ii + 1));

                                IFCAnyHandle memberHnd = IFCInstanceExporter.CreateMember(file, ExporterIFCUtils.CreateGUID(), exporterIFC.GetOwnerHistoryHandle(),
                                    stairName, stairDescription, stairObjectType, stringerLocalPlacement, stringerRepHnd, stairElementTag);
                                productWrapper.AddElement(memberHnd, placementSetter.GetLevelInfo(), ecData, false);
                                PropertyUtil.CreateBeamColumnMemberBaseQuantities(exporterIFC, memberHnd, null, ecData);

                                components[0].Add(memberHnd);
                                for (int compIdx = 1; compIdx < numFlights; compIdx++)
                                {
                                    IFCAnyHandle newLocalPlacement = ExporterUtil.CopyLocalPlacement(file, localPlacementForFlights[compIdx - 1]);
                                    IFCAnyHandle newProdRep = ExporterUtil.CopyProductDefinitionShape(exporterIFC, legacyStair, categoryId, IFCAnyHandleUtil.GetRepresentation(memberHnd));

                                    IFCAnyHandle newMemberHnd = IFCInstanceExporter.CreateMember(file, ExporterIFCUtils.CreateGUID(), exporterIFC.GetOwnerHistoryHandle(),
                                        stairName, stairDescription, stairObjectType, newLocalPlacement, newProdRep, stairElementTag);
                                    components[compIdx].Add(newMemberHnd);
                                    productWrapper.AddElement(newMemberHnd, placementSetter.GetLevelInfo(), ecData, false);
                                }
                            }
                        }

                        List<IFCAnyHandle> createdStairs = new List<IFCAnyHandle>();
                        if (isRamp)
                        {
                            IFCRampType rampType = RampExporter.GetIFCRampType(ifcEnumType);
                            string stairName = NamingUtil.GetNameOverride(legacyStair, NamingUtil.CreateIFCName(exporterIFC, 0));
                            IFCAnyHandle containedRampHnd = IFCInstanceExporter.CreateRamp(file, ExporterIFCUtils.CreateGUID(legacyStair), exporterIFC.GetOwnerHistoryHandle(),
                                stairName, stairDescription, stairObjectType, placementSetter.GetPlacement(), null, stairElementTag, rampType);
                            productWrapper.AddElement(containedRampHnd, placementSetter.GetLevelInfo(), ifcECData, true);
                            createdStairs.Add(containedRampHnd);
                        }
                        else
                        {
                            IFCStairType stairType = GetIFCStairType(ifcEnumType);
                            string stairName = NamingUtil.GetNameOverride(legacyStair, NamingUtil.CreateIFCName(exporterIFC, 0));
                            IFCAnyHandle containedStairHnd = IFCInstanceExporter.CreateStair(file, ExporterIFCUtils.CreateGUID(legacyStair), exporterIFC.GetOwnerHistoryHandle(),
                                stairName, stairDescription, stairObjectType, placementSetter.GetPlacement(), null, stairElementTag, stairType);
                            productWrapper.AddElement(containedStairHnd, placementSetter.GetLevelInfo(), ifcECData, true);
                            createdStairs.Add(containedStairHnd);
                        }

                        // multi-story stairs.
                        if (numFlights > 1)
                        {
                            IFCAnyHandle localPlacement = placementSetter.GetPlacement();
                            IFCAnyHandle relPlacement = GeometryUtil.GetRelativePlacementFromLocalPlacement(localPlacement);
                            IFCAnyHandle ptHnd = IFCAnyHandleUtil.GetLocation(relPlacement);
                            IList<double> origCoords = null;
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(ptHnd))
                                origCoords = IFCAnyHandleUtil.GetCoordinates(ptHnd);

                            for (int ii = 1; ii < numFlights; ii++)
                            {
                                IFCLevelInfo levelInfo = localLevelInfoForFlights[ii - 1];
                                if (levelInfo == null)
                                    levelInfo = placementSetter.GetLevelInfo();

                                localPlacement = localPlacementForFlights[ii - 1];

                                // relate to bottom stair or closest level?  For code checking, we need closest level, and
                                // that seems good enough for the general case.
                                if (!IFCAnyHandleUtil.IsNullOrHasNoValue(ptHnd))
                                {
                                    IFCAnyHandle relPlacement2 = GeometryUtil.GetRelativePlacementFromLocalPlacement(localPlacement);
                                    IFCAnyHandle newPt = IFCAnyHandleUtil.GetLocation(relPlacement2);

                                    List<double> newCoords = new List<double>();
                                    newCoords.Add(origCoords[0]);
                                    newCoords.Add(origCoords[1]);
                                    newCoords.Add(origCoords[2]);
                                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(newPt))
                                    {
                                        IList<double> addToCoords;
                                        addToCoords = IFCAnyHandleUtil.GetCoordinates(newPt);
                                        newCoords[0] += addToCoords[0];
                                        newCoords[1] += addToCoords[1];
                                        newCoords[2] = addToCoords[2];
                                    }

                                    IFCAnyHandle locPt = ExporterUtil.CreateCartesianPoint(file, newCoords);
                                    IFCAnyHandleUtil.SetAttribute(relPlacement2, "Location", locPt);
                                }

                                if (isRamp)
                                {
                                    IFCRampType rampType = RampExporter.GetIFCRampType(ifcEnumType);
                                    string stairName = NamingUtil.GetNameOverride(legacyStair, NamingUtil.CreateIFCName(exporterIFC, 0));
                                    IFCAnyHandle containedRampHnd = IFCInstanceExporter.CreateRamp(file, ExporterIFCUtils.CreateGUID(legacyStair), exporterIFC.GetOwnerHistoryHandle(),
                                        stairName, stairDescription, stairObjectType, localPlacement, null, stairElementTag, rampType);
                                    productWrapper.AddElement(containedRampHnd, levelInfo, ifcECData, true);
                                    //createdStairs.Add(containedRampHnd) ???????????????????????
                                }
                                else
                                {
                                    IFCStairType stairType = GetIFCStairType(ifcEnumType);
                                    string stairName = NamingUtil.GetNameOverride(legacyStair, NamingUtil.CreateIFCName(exporterIFC, 0));
                                    IFCAnyHandle containedStairHnd = IFCInstanceExporter.CreateStair(file, ExporterIFCUtils.CreateGUID(legacyStair), exporterIFC.GetOwnerHistoryHandle(),
                                        stairName, stairDescription, stairObjectType, localPlacement, null, stairElementTag, stairType);
                                    productWrapper.AddElement(containedStairHnd, levelInfo, ifcECData, true);
                                    createdStairs.Add(containedStairHnd);
                                }
                            }
                        }

                        localPlacementForFlights.Insert(0, null);

                        StairRampContainerInfo stairRampInfo = new StairRampContainerInfo(createdStairs, components, localPlacementForFlights);
                        ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(legacyStair.Id, stairRampInfo);
                    }
                }

                tr.Commit();
            }
        }
示例#22
0
        /// <summary>
        /// Exports a roof to IfcRoof.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="ifcEnumType">The roof type.</param>
        /// <param name="roof">The roof element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        public static void ExportRoof(ExporterIFC exporterIFC, string ifcEnumType, Element roof, GeometryElement geometryElement,
                                      ProductWrapper productWrapper)
        {
            if (roof == null || geometryElement == null)
            {
                return;
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, roof, null, null, ExporterUtil.GetBaseLevelIdForElement(roof)))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.PossibleExtrusionAxes   = IFCExtrusionAxes.TryZ;
                        ecData.AreInnerRegionsOpenings = true;
                        ecData.SetLocalPlacement(placementSetter.GetPlacement());

                        ElementId categoryId = CategoryUtil.GetSafeCategoryId(roof);

                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                        BodyData            bodyData;
                        IFCAnyHandle        representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, roof,
                                                                                                                        categoryId, geometryElement, bodyExporterOptions, null, ecData, out bodyData);

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
                        {
                            ecData.ClearOpenings();
                            return;
                        }

                        bool exportSlab = ecData.ScaledLength > MathUtil.Eps();

                        string       guid            = GUIDUtil.CreateGUID(roof);
                        IFCAnyHandle ownerHistory    = exporterIFC.GetOwnerHistoryHandle();
                        string       roofName        = NamingUtil.GetNameOverride(roof, NamingUtil.GetIFCName(roof));
                        string       roofDescription = NamingUtil.GetDescriptionOverride(roof, null);
                        string       roofObjectType  = NamingUtil.GetObjectTypeOverride(roof, NamingUtil.CreateIFCObjectName(exporterIFC, roof));
                        IFCAnyHandle localPlacement  = ecData.GetLocalPlacement();
                        string       elementTag      = NamingUtil.GetTagOverride(roof, NamingUtil.CreateIFCElementId(roof));
                        IFCRoofType  roofType        = GetIFCRoofType(ifcEnumType);

                        IFCAnyHandle roofHnd = IFCInstanceExporter.CreateRoof(file, guid, ownerHistory, roofName, roofDescription,
                                                                              roofObjectType, localPlacement, exportSlab ? null : representation, elementTag, roofType);

                        productWrapper.AddElement(roof, roofHnd, placementSetter.GetLevelInfo(), ecData, true);

                        // will export its host object materials later if it is a roof
                        if (!(roof is RoofBase))
                        {
                            CategoryUtil.CreateMaterialAssociations(exporterIFC, roofHnd, bodyData.MaterialIds);
                        }

                        if (exportSlab)
                        {
                            string       slabGUID = GUIDUtil.CreateSubElementGUID(roof, (int)IFCRoofSubElements.RoofSlabStart);
                            string       slabName = roofName + ":1";
                            IFCAnyHandle slabLocalPlacementHnd = ExporterUtil.CopyLocalPlacement(file, localPlacement);

                            IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, slabGUID, ownerHistory, slabName,
                                                                                  roofDescription, roofObjectType, slabLocalPlacementHnd, representation, elementTag, IFCSlabType.Roof);

                            Transform offsetTransform = (bodyData != null) ? bodyData.OffsetTransform : Transform.Identity;
                            OpeningUtil.CreateOpeningsIfNecessary(slabHnd, roof, ecData, offsetTransform,
                                                                  exporterIFC, slabLocalPlacementHnd, placementSetter, productWrapper);

                            ExporterUtil.RelateObject(exporterIFC, roofHnd, slabHnd);

                            productWrapper.AddElement(null, slabHnd, placementSetter.GetLevelInfo(), ecData, false);
                            CategoryUtil.CreateMaterialAssociations(exporterIFC, slabHnd, bodyData.MaterialIds);
                        }
                    }
                    tr.Commit();
                }
            }
        }
示例#23
0
        /// <summary>
        /// Exports an element as IFC railing.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="element">
        /// The element to be exported.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="productWrapper">
        /// The ProductWrapper.
        /// </param>
        public static void ExportRailing(ExporterIFC exporterIFC, Element element, GeometryElement geomElem, string ifcEnumType, ProductWrapper productWrapper)
        {
            ElementType elemType    = element.Document.GetElement(element.GetTypeId()) as ElementType;
            IFCFile     file        = exporterIFC.GetFile();
            Options     geomOptions = GeometryUtil.GetIFCExportGeometryOptions();

            using (IFCTransaction transaction = new IFCTransaction(file))
            {
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        IFCAnyHandle           localPlacement = setter.GetPlacement();
                        StairRampContainerInfo stairRampInfo  = null;
                        ElementId hostId = GetStairOrRampHostId(exporterIFC, element as Railing);
                        if (hostId != ElementId.InvalidElementId)
                        {
                            stairRampInfo = ExporterCacheManager.StairRampContainerInfoCache.GetStairRampContainerInfo(hostId);
                            IFCAnyHandle stairRampLocalPlacement = stairRampInfo.LocalPlacements[0];
                            Transform    relTrf     = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(stairRampLocalPlacement, localPlacement);
                            Transform    inverseTrf = relTrf.Inverse;

                            IFCAnyHandle relativePlacement     = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
                            IFCAnyHandle railingLocalPlacement = ExporterUtil.CreateLocalPlacement(file, stairRampLocalPlacement, relativePlacement);
                            localPlacement = railingLocalPlacement;
                        }
                        ecData.SetLocalPlacement(localPlacement);

                        SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geomElem);
                        IList <Solid>         solids        = solidMeshInfo.GetSolids();
                        IList <Mesh>          meshes        = solidMeshInfo.GetMeshes();

                        Railing           railingElem   = element as Railing;
                        IList <ElementId> subElementIds = CollectSubElements(railingElem);

                        foreach (ElementId subElementId in subElementIds)
                        {
                            Element subElement = railingElem.Document.GetElement(subElementId);
                            if (subElement != null)
                            {
                                GeometryElement subElementGeom = GeometryUtil.GetOneLevelGeometryElement(subElement.get_Geometry(geomOptions));

                                SolidMeshGeometryInfo subElementSolidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(subElementGeom);
                                IList <Solid>         subElementSolids        = subElementSolidMeshInfo.GetSolids();
                                IList <Mesh>          subElementMeshes        = subElementSolidMeshInfo.GetMeshes();
                                foreach (Solid subElementSolid in subElementSolids)
                                {
                                    solids.Add(subElementSolid);
                                }
                                foreach (Mesh subElementMesh in subElementMeshes)
                                {
                                    meshes.Add(subElementMesh);
                                }
                            }
                        }

                        ElementId           catId               = CategoryUtil.GetSafeCategoryId(element);
                        BodyData            bodyData            = null;
                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                        bodyExporterOptions.TessellationLevel = BodyExporter.GetTessellationLevel();
                        //bodyExporterOptions.UseGroupsIfPossible = true;
                        //bodyExporterOptions.UseMappedGeometriesIfPossible = true;

                        if (solids.Count > 0 || meshes.Count > 0)
                        {
                            bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId, solids, meshes, bodyExporterOptions, ecData);
                        }
                        else
                        {
                            IList <GeometryObject> geomlist = new List <GeometryObject>();
                            geomlist.Add(geomElem);
                            bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId, geomlist, bodyExporterOptions, ecData);
                        }

                        IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
                        {
                            if (ecData != null)
                            {
                                ecData.ClearOpenings();
                            }
                            return;
                        }

                        IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
                        representations.Add(bodyRep);

                        IList <GeometryObject> geomObjects = new List <GeometryObject>();
                        foreach (Solid solid in solids)
                        {
                            geomObjects.Add(solid);
                        }
                        foreach (Mesh mesh in meshes)
                        {
                            geomObjects.Add(mesh);
                        }

                        Transform    boundingBoxTrf = (bodyData.OffsetTransform != null) ? bodyData.OffsetTransform.Inverse : Transform.Identity;
                        IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomObjects, boundingBoxTrf);
                        if (boundingBoxRep != null)
                        {
                            representations.Add(boundingBoxRep);
                        }

                        IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);

                        IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();

                        string instanceGUID                = GUIDUtil.CreateGUID(element);
                        string instanceName                = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                        string instanceDescription         = NamingUtil.GetDescriptionOverride(element, null);
                        string instanceObjectType          = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
                        string instanceTag                 = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
                        Toolkit.IFCRailingType railingType = GetIFCRailingType(element, ifcEnumType);

                        IFCAnyHandle railing = IFCInstanceExporter.CreateRailing(file, instanceGUID, ownerHistory,
                                                                                 instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(),
                                                                                 prodRep, instanceTag, railingType);

                        bool associateToLevel = (hostId == ElementId.InvalidElementId);

                        productWrapper.AddElement(element, railing, setter, ecData, associateToLevel);
                        OpeningUtil.CreateOpeningsIfNecessary(railing, element, ecData, bodyData.OffsetTransform,
                                                              exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);

                        CategoryUtil.CreateMaterialAssociations(exporterIFC, railing, bodyData.MaterialIds);

                        // Create multi-story duplicates of this railing.
                        if (stairRampInfo != null)
                        {
                            stairRampInfo.AddComponent(0, railing);

                            List <IFCAnyHandle> stairHandles = stairRampInfo.StairOrRampHandles;
                            for (int ii = 1; ii < stairHandles.Count; ii++)
                            {
                                IFCAnyHandle railingLocalPlacement = stairRampInfo.LocalPlacements[ii];
                                if (!IFCAnyHandleUtil.IsNullOrHasNoValue(railingLocalPlacement))
                                {
                                    IFCAnyHandle railingHndCopy = CopyRailingHandle(exporterIFC, element, catId, railingLocalPlacement, railing);
                                    stairRampInfo.AddComponent(ii, railingHndCopy);
                                    productWrapper.AddElement(element, railingHndCopy, (IFCLevelInfo)null, ecData, false);
                                    CategoryUtil.CreateMaterialAssociations(exporterIFC, railingHndCopy, bodyData.MaterialIds);
                                }
                            }

                            ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(hostId, stairRampInfo);
                        }
                    }
                    transaction.Commit();
                }
            }
        }
示例#24
0
        /// <summary>
        /// Exports an element to IFC footing.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="element">
        /// The element.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="ifcEnumType">
        /// The string value represents the IFC type.
        /// </param>
        /// <param name="productWrapper">
        /// The ProductWrapper.
        /// </param>
        public static void ExportFooting(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
                                         string ifcEnumType, ProductWrapper productWrapper)
        {
            // export parts or not
            bool exportParts = PartExporter.CanExportParts(element);

            if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.Level.Id, false))
            {
                return;
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.SetLocalPlacement(setter.GetPlacement());

                        IFCAnyHandle prodRep = null;
                        ElementId    matId   = ElementId.InvalidElementId;
                        if (!exportParts)
                        {
                            ElementId catId = CategoryUtil.GetSafeCategoryId(element);


                            matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, element);
                            BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                            prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
                                                                                                 element, catId, geometryElement, bodyExporterOptions, null, ecData, true);
                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
                            {
                                ecData.ClearOpenings();
                                return;
                            }
                        }

                        string instanceGUID                = GUIDUtil.CreateGUID(element);
                        string instanceName                = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                        string instanceDescription         = NamingUtil.GetDescriptionOverride(element, null);
                        string instanceObjectType          = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
                        string instanceTag                 = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
                        Toolkit.IFCFootingType footingType = GetIFCFootingType(element, ifcEnumType);

                        IFCAnyHandle footing = IFCInstanceExporter.CreateFooting(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
                                                                                 instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(), prodRep, instanceTag, footingType);

                        if (exportParts)
                        {
                            PartExporter.ExportHostPart(exporterIFC, element, footing, productWrapper, setter, setter.GetPlacement(), null);
                        }
                        else
                        {
                            if (matId != ElementId.InvalidElementId)
                            {
                                CategoryUtil.CreateMaterialAssociation(exporterIFC, footing, matId);
                            }
                        }

                        productWrapper.AddElement(element, footing, setter, ecData, true);

                        OpeningUtil.CreateOpeningsIfNecessary(footing, element, ecData, null,
                                                              exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
                    }
                }

                tr.Commit();
            }
        }
示例#25
0
        /// <summary>
        /// Exports an element as IFC covering.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="element">
        /// The element to be exported.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="productWrapper">
        /// The ProductWrapper.
        /// </param>
        public static void ExportCovering(ExporterIFC exporterIFC, Element element, GeometryElement geomElem, string ifcEnumType, ProductWrapper productWrapper)
        {
            bool exportParts = PartExporter.CanExportParts(element);

            if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.Level.Id, false))
            {
                return;
            }

            ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType;
            IFCFile     file     = exporterIFC.GetFile();

            using (IFCTransaction transaction = new IFCTransaction(file))
            {
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);

                        IFCAnyHandle prodRep = null;
                        if (!exportParts)
                        {
                            ecData.SetLocalPlacement(setter.GetPlacement());
                            ecData.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;

                            BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                            prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element,
                                                                                                 categoryId, geomElem, bodyExporterOptions, null, ecData, true);
                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
                            {
                                ecData.ClearOpenings();
                                return;
                            }
                        }
                        // We will use the category of the element to set a default value for the covering.
                        if (string.IsNullOrEmpty(ifcEnumType))
                        {
                            if (categoryId == new ElementId(BuiltInCategory.OST_Ceilings))
                            {
                                ifcEnumType = "CEILING";
                            }
                            else if (categoryId == new ElementId(BuiltInCategory.OST_Floors))
                            {
                                ifcEnumType = "FLOORING";
                            }
                            else if (categoryId == new ElementId(BuiltInCategory.OST_Roofs))
                            {
                                ifcEnumType = "ROOFING";
                            }
                        }

                        string instanceGUID                  = GUIDUtil.CreateGUID(element);
                        string instanceName                  = NamingUtil.GetIFCName(element);
                        string instanceDescription           = NamingUtil.GetDescriptionOverride(element, null);
                        string instanceObjectType            = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
                        string instanceElemId                = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
                        Toolkit.IFCCoveringType coveringType = GetIFCCoveringType(element, ifcEnumType);

                        IFCAnyHandle covering = IFCInstanceExporter.CreateCovering(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
                                                                                   instanceName, instanceDescription, instanceObjectType, setter.GetPlacement(), prodRep, instanceElemId, coveringType);

                        if (exportParts)
                        {
                            PartExporter.ExportHostPart(exporterIFC, element, covering, productWrapper, setter, setter.GetPlacement(), null);
                        }

                        bool         containInSpace      = false;
                        IFCAnyHandle localPlacementToUse = setter.GetPlacement();

                        // Ceiling containment in Space is generally required and not specific to any view
                        if (ExporterCacheManager.CeilingSpaceRelCache.ContainsKey(element.Id))
                        {
                            IList <ElementId> roomlist = ExporterCacheManager.CeilingSpaceRelCache[element.Id];

                            // Process Ceiling to be contained in a Space only when it is exactly bounding one Space
                            if (roomlist.Count == 1)
                            {
                                productWrapper.AddElement(element, covering, setter, null, false);

                                // Modify the Ceiling placement to be relative to the Space that it bounds
                                IFCAnyHandle roomPlacement     = IFCAnyHandleUtil.GetObjectPlacement(ExporterCacheManager.SpatialElementHandleCache.Find(roomlist[0]));
                                Transform    relTrf            = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(roomPlacement, localPlacementToUse);
                                Transform    inverseTrf        = relTrf.Inverse;
                                IFCAnyHandle relLocalPlacement = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
                                IFCAnyHandleUtil.SetAttribute(localPlacementToUse, "PlacementRelTo", roomPlacement);
                                GeometryUtil.SetRelativePlacement(localPlacementToUse, relLocalPlacement);

                                exporterIFC.RelateSpatialElement(roomlist[0], covering);
                                containInSpace = true;
                            }
                        }

                        // if not contained in Space, assign it to default containment in Level
                        if (!containInSpace)
                        {
                            productWrapper.AddElement(element, covering, setter, null, true);
                        }

                        if (!exportParts)
                        {
                            Ceiling ceiling = element as Ceiling;
                            if (ceiling != null)
                            {
                                HostObjectExporter.ExportHostObjectMaterials(exporterIFC, ceiling, covering,
                                                                             geomElem, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, null);
                            }
                            else
                            {
                                ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geomElem, exporterIFC, element);
                                CategoryUtil.CreateMaterialAssociation(exporterIFC, covering, matId);
                            }
                        }

                        OpeningUtil.CreateOpeningsIfNecessary(covering, element, ecData, null,
                                                              exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
                    }
                }
                transaction.Commit();
            }
        }
示例#26
0
        /// <summary>
        /// Exports a staircase to IfcStair, composing into separate runs and landings.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="ifcEnumType">The stairs type.</param>
        /// <param name="stair">The stairs element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="numFlights">The number of flights for a multistory staircase.</param>
        /// <param name="productWrapper">The IFCProductWrapper.</param>
        public static void ExportStairsAsContainer(ExporterIFC exporterIFC, string ifcEnumType, Stairs stair, GeometryElement geometryElement,
            int numFlights, IFCProductWrapper productWrapper)
        {
            if (stair == null || geometryElement == null)
                return;

            Document doc = stair.Document;
            Autodesk.Revit.ApplicationServices.Application app = doc.Application;
            IFCFile file = exporterIFC.GetFile();
            Options geomOptions = GeometryUtil.GetIFCExportGeometryOptions();
            ElementId categoryId = CategoryUtil.GetSafeCategoryId(stair);

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, stair))
                {
                    HashSet<ElementId> materialIds = new HashSet<ElementId>();

                    List<IFCAnyHandle> componentHandles = new List<IFCAnyHandle>();
                    IList<IFCExtrusionCreationData> componentExtrusionData = new List<IFCExtrusionCreationData>();

                    IFCAnyHandle contextOfItemsFootPrint = exporterIFC.Get3DContextHandle("FootPrint");

                    Transform trf = ExporterIFCUtils.GetUnscaledTransform(exporterIFC, placementSetter.GetPlacement());
                    Plane boundaryPlane = new Plane(trf.BasisX, trf.BasisY, trf.Origin);
                    XYZ boundaryProjDir = trf.BasisZ;

                    IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
                    string stairGUID = ExporterIFCUtils.CreateGUID(stair);
                    string origStairName = exporterIFC.GetName();
                    string stairName = NamingUtil.GetNameOverride(stair, origStairName);
                    string stairDescription = NamingUtil.GetDescriptionOverride(stair, null);
                    string stairObjectType = NamingUtil.GetObjectTypeOverride(stair, NamingUtil.CreateIFCObjectName(exporterIFC, stair));
                    IFCAnyHandle stairLocalPlacement = placementSetter.GetPlacement();
                    string stairElementTag = NamingUtil.CreateIFCElementId(stair);
                    IFCStairType stairType = GetIFCStairType(ifcEnumType);

                    IFCAnyHandle stairContainerHnd = IFCInstanceExporter.CreateStair(file, stairGUID, ownerHistory, stairName,
                        stairDescription, stairObjectType, stairLocalPlacement, null, stairElementTag, stairType);
                    productWrapper.AddElement(stairContainerHnd, placementSetter.GetLevelInfo(), null, LevelUtil.AssociateElementToLevel(stair));

                    // Get List of runs to export their geometry.
                    ICollection<ElementId> runIds = stair.GetStairsRuns();
                    int index = 0;
                    foreach (ElementId runId in runIds)
                    {
                        index++;
                        StairsRun run = doc.GetElement(runId) as StairsRun;

                        using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                        {
                            ecData.AllowVerticalOffsetOfBReps = false;
                            ecData.SetLocalPlacement(placementSetter.GetPlacement());
                            ecData.ReuseLocalPlacement = false;

                            GeometryElement runGeometryElement = run.get_Geometry(geomOptions);

                            BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                            BodyData bodyData = BodyExporter.ExportBody(app, exporterIFC, run, categoryId, runGeometryElement,
                                bodyExporterOptions, ecData);

                            IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
                            {
                                ecData.ClearOpenings();
                                continue;
                            }

                            foreach (ElementId materialId in bodyData.MaterialIds)
                                materialIds.Add(materialId);

                            IList<IFCAnyHandle> reps = new List<IFCAnyHandle>();
                            reps.Add(bodyRep);

                            Transform runBoundaryTrf = trf.Multiply(bodyData.BrepOffsetTransform);
                            Plane runBoundaryPlane = new Plane(runBoundaryTrf.BasisX, runBoundaryTrf.BasisY, runBoundaryTrf.Origin);
                            XYZ runBoundaryProjDir = runBoundaryTrf.BasisZ;

                            CurveLoop boundary = run.GetFootprintBoundary();
                            IFCAnyHandle boundaryHnd = ExporterIFCUtils.CreateCurveFromCurveLoop(exporterIFC, boundary,
                                runBoundaryPlane, runBoundaryProjDir);
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(boundaryHnd))
                            {
                                HashSet<IFCAnyHandle> geomSelectSet = new HashSet<IFCAnyHandle>();
                                geomSelectSet.Add(boundaryHnd);

                                HashSet<IFCAnyHandle> boundaryItems = new HashSet<IFCAnyHandle>();
                                boundaryItems.Add(IFCInstanceExporter.CreateGeometricSet(file, geomSelectSet));

                                IFCAnyHandle boundaryRep = RepresentationUtil.CreateGeometricSetRep(exporterIFC, run, categoryId, "FootPrint",
                                    contextOfItemsFootPrint, boundaryItems);
                                reps.Add(boundaryRep);
                            }

                            CurveLoop walkingLine = run.GetStairsPath();
                            IFCAnyHandle walkingLineHnd = ExporterIFCUtils.CreateCurveFromCurveLoop(exporterIFC, walkingLine,
                                runBoundaryPlane, runBoundaryProjDir);
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(walkingLineHnd))
                            {
                                HashSet<IFCAnyHandle> geomSelectSet = new HashSet<IFCAnyHandle>();
                                geomSelectSet.Add(walkingLineHnd);

                                HashSet<IFCAnyHandle> walkingLineItems = new HashSet<IFCAnyHandle>();
                                walkingLineItems.Add(IFCInstanceExporter.CreateGeometricSet(file, geomSelectSet));

                                IFCAnyHandle walkingLineRep = RepresentationUtil.CreateGeometricSetRep(exporterIFC, run, categoryId, "Axis",
                                    contextOfItemsFootPrint, walkingLineItems);
                                reps.Add(walkingLineRep);
                            }

                            IFCAnyHandle representation = IFCInstanceExporter.CreateProductDefinitionShape(exporterIFC.GetFile(), null, null, reps);

                            string runGUID = ExporterIFCUtils.CreateGUID(run);
                            string origRunName = origStairName + " Run " + index;
                            string runName = NamingUtil.GetNameOverride(run, origRunName);
                            string runDescription = NamingUtil.GetDescriptionOverride(run, stairDescription);
                            string runObjectType = NamingUtil.GetObjectTypeOverride(run, stairObjectType);
                            IFCAnyHandle runLocalPlacement = ecData.GetLocalPlacement();
                            string runElementTag = NamingUtil.CreateIFCElementId(run);

                            IFCAnyHandle stairFlightHnd = IFCInstanceExporter.CreateStairFlight(file, runGUID, ownerHistory,
                                runName, runDescription, runObjectType, runLocalPlacement, representation, runElementTag,
                                run.ActualRisersNumber, run.ActualTreadsNumber, stair.ActualRiserHeight, stair.ActualTreadDepth);

                            componentHandles.Add(stairFlightHnd);
                            componentExtrusionData.Add(ecData);

                            productWrapper.AddElement(stairFlightHnd, placementSetter.GetLevelInfo(), ecData, false);

                            ExporterCacheManager.HandleToElementCache.Register(stairFlightHnd, run.Id);
                        }
                    }

                    // Get List of landings to export their geometry.
                    ICollection<ElementId> landingIds = stair.GetStairsLandings();
                    index = 0;
                    foreach (ElementId landingId in landingIds)
                    {
                        index++;
                        StairsLanding landing = doc.GetElement(landingId) as StairsLanding;

                        using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                        {
                            ecData.AllowVerticalOffsetOfBReps = false;
                            ecData.SetLocalPlacement(placementSetter.GetPlacement());
                            ecData.ReuseLocalPlacement = false;

                            GeometryElement landingGeometryElement = landing.get_Geometry(geomOptions);

                            BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                            BodyData bodyData = BodyExporter.ExportBody(app, exporterIFC, landing, categoryId, landingGeometryElement,
                                bodyExporterOptions, ecData);

                            IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
                            {
                                ecData.ClearOpenings();
                                continue;
                            }

                            foreach (ElementId materialId in bodyData.MaterialIds)
                                materialIds.Add(materialId);

                            // create Boundary rep.
                            IList<IFCAnyHandle> reps = new List<IFCAnyHandle>();
                            reps.Add(bodyRep);

                            Transform landingBoundaryTrf = trf.Multiply(bodyData.BrepOffsetTransform);
                            Plane landingBoundaryPlane = new Plane(landingBoundaryTrf.BasisX, landingBoundaryTrf.BasisY, landingBoundaryTrf.Origin);
                            XYZ landingBoundaryProjDir = landingBoundaryTrf.BasisZ;

                            CurveLoop boundary = landing.GetFootprintBoundary();
                            IFCAnyHandle boundaryHnd = ExporterIFCUtils.CreateCurveFromCurveLoop(exporterIFC, boundary,
                                landingBoundaryPlane, landingBoundaryProjDir);
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(boundaryHnd))
                            {
                                HashSet<IFCAnyHandle> geomSelectSet = new HashSet<IFCAnyHandle>();
                                geomSelectSet.Add(boundaryHnd);

                                HashSet<IFCAnyHandle> boundaryItems = new HashSet<IFCAnyHandle>();
                                boundaryItems.Add(IFCInstanceExporter.CreateGeometricSet(file, geomSelectSet));

                                IFCAnyHandle boundaryRep = RepresentationUtil.CreateGeometricSetRep(exporterIFC, landing, categoryId, "FootPrint",
                                    contextOfItemsFootPrint, boundaryItems);
                                reps.Add(boundaryRep);
                            }

                            CurveLoop walkingLine = landing.GetStairsPath();
                            IFCAnyHandle walkingLineHnd = ExporterIFCUtils.CreateCurveFromCurveLoop(exporterIFC, walkingLine,
                                landingBoundaryPlane, landingBoundaryProjDir);
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(walkingLineHnd))
                            {
                                HashSet<IFCAnyHandle> geomSelectSet = new HashSet<IFCAnyHandle>();
                                geomSelectSet.Add(walkingLineHnd);

                                HashSet<IFCAnyHandle> walkingLineItems = new HashSet<IFCAnyHandle>();
                                walkingLineItems.Add(IFCInstanceExporter.CreateGeometricSet(file, geomSelectSet));

                                IFCAnyHandle walkingLineRep = RepresentationUtil.CreateGeometricSetRep(exporterIFC, landing, categoryId, "Axis",
                                    contextOfItemsFootPrint, walkingLineItems);
                                reps.Add(walkingLineRep);
                            }

                            string landingGUID = ExporterIFCUtils.CreateGUID(landing);
                            string origLandingName = origStairName + " Landing " + index;
                            string landingName = NamingUtil.GetNameOverride(landing, origLandingName);
                            string landingDescription = NamingUtil.GetDescriptionOverride(landing, stairDescription);
                            string landingObjectType = NamingUtil.GetObjectTypeOverride(landing, stairObjectType);
                            IFCAnyHandle landingLocalPlacement = ecData.GetLocalPlacement();
                            string landingElementTag = NamingUtil.CreateIFCElementId(landing);

                            IFCAnyHandle representation = IFCInstanceExporter.CreateProductDefinitionShape(exporterIFC.GetFile(), null, null, reps);

                            IFCAnyHandle landingHnd = IFCInstanceExporter.CreateSlab(file, landingGUID, ownerHistory,
                                landingName, landingDescription, landingObjectType, landingLocalPlacement, representation, landingElementTag,
                                IFCSlabType.Landing);

                            componentHandles.Add(landingHnd);
                            componentExtrusionData.Add(ecData);

                            productWrapper.AddElement(landingHnd, placementSetter.GetLevelInfo(), ecData, false);
                            ExporterCacheManager.HandleToElementCache.Register(landingHnd, landing.Id);
                        }
                    }

                    // Get List of supports to export their geometry.  Supports are not exposed to API, so export as generic Element.
                    ICollection<ElementId> supportIds = stair.GetStairsSupports();
                    index = 0;
                    foreach (ElementId supportId in supportIds)
                    {
                        index++;
                        Element support = doc.GetElement(supportId);

                        using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                        {
                            ecData.SetLocalPlacement(placementSetter.GetPlacement());
                            ecData.ReuseLocalPlacement = false;

                            GeometryElement supportGeometryElement = support.get_Geometry(geomOptions);
                            BodyData bodyData;
                            BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                            IFCAnyHandle representation = RepresentationUtil.CreateBRepProductDefinitionShape(app, exporterIFC,
                                support, categoryId, supportGeometryElement, bodyExporterOptions, null, ecData, out bodyData);

                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
                            {
                                ecData.ClearOpenings();
                                continue;
                            }

                            foreach (ElementId materialId in bodyData.MaterialIds)
                                materialIds.Add(materialId);

                            string supportGUID = ExporterIFCUtils.CreateGUID(support);
                            string origSupportName = origStairName + " Stringer " + index;
                            string supportName = NamingUtil.GetNameOverride(support, origSupportName);
                            string supportDescription = NamingUtil.GetDescriptionOverride(support, stairDescription);
                            string supportObjectType = NamingUtil.GetObjectTypeOverride(support, stairObjectType);
                            IFCAnyHandle supportLocalPlacement = ecData.GetLocalPlacement();
                            string supportElementTag = NamingUtil.CreateIFCElementId(support);

                            IFCAnyHandle type = GetMemberTypeHandle(exporterIFC, support);

                            IFCAnyHandle supportHnd = IFCInstanceExporter.CreateMember(file, supportGUID, ownerHistory,
                                supportName, supportDescription, supportObjectType, supportLocalPlacement, representation, supportElementTag);

                            componentHandles.Add(supportHnd);
                            componentExtrusionData.Add(ecData);

                            productWrapper.AddElement(supportHnd, placementSetter.GetLevelInfo(), ecData, false);

                            ExporterCacheManager.TypeRelationsCache.Add(type, supportHnd);
                        }
                    }

                    StairRampContainerInfo stairRampInfo = new StairRampContainerInfo(stairContainerHnd, componentHandles, null);
                    ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(stair.Id, stairRampInfo);

                    CategoryUtil.CreateMaterialAssociations(stair.Document, exporterIFC, stairContainerHnd, materialIds);

                    ExportMultistoryStair(exporterIFC, stair, numFlights, stairContainerHnd, componentHandles, componentExtrusionData,
                         materialIds, placementSetter, productWrapper);
                }
                tr.Commit();
            }
        }
示例#27
0
        /// <summary>
        /// Exports list of geometries to IFC body representation.
        /// </summary>
        /// <param name="application">The Revit application.</param>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="categoryId">The category id.</param>
        /// <param name="geometryListIn">The geometry list.</param>
        /// <param name="options">The settings for how to export the body.</param>
        /// <param name="exportBodyParams">The extrusion creation data.</param>
        /// <returns>The BodyData containing the handle, offset and material ids.</returns>
        public static BodyData ExportBody(Autodesk.Revit.ApplicationServices.Application application, 
            ExporterIFC exporterIFC,
            Element element, 
            ElementId categoryId,
            IList<GeometryObject> geometryListIn,
            BodyExporterOptions options,
            IFCExtrusionCreationData exportBodyParams) 
        {
            BodyData bodyData = new BodyData();
            if (geometryListIn.Count == 0)
                return bodyData;

            Document document = element.Document;
            bool tryToExportAsExtrusion = options.TryToExportAsExtrusion;
            bool canExportSolidModelRep = false;

            IFCFile file = exporterIFC.GetFile();
            IFCAnyHandle contextOfItems = exporterIFC.Get3DContextHandle("Body");
            double scale = exporterIFC.LinearScale;

            double eps = application.VertexTolerance * scale;

            IList<GeometryObject> splitGeometryList = new List<GeometryObject>();

            bool allFaces = true;
            foreach (GeometryObject geomObject in geometryListIn)
            {
                try
                {
                    bool split = false;
                    if (geomObject is Solid)
                    {
                        Solid solid = geomObject as Solid;
                        IList<Solid> splitVolumes = SolidUtils.SplitVolumes(solid);
                        allFaces = false;

                        if (splitVolumes != null && splitVolumes.Count != 0)
                        {
                            split = true;
                            foreach (Solid currSolid in splitVolumes)
                            {
                                splitGeometryList.Add(currSolid);
                                // The geometry element created by SplitVolumesis a copy which will have its own allocated
                                // membership - this needs to be stored and disposed of (see AllocatedGeometryObjectCache
                                // for details)
                                ExporterCacheManager.AllocatedGeometryObjectCache.AddGeometryObject(currSolid);
                            }
                        }
                    }
                    else if (allFaces && !(geomObject is Face))
                        allFaces = false;

                    if (!split)
                        splitGeometryList.Add(geomObject);
                }
                catch
                {
                    splitGeometryList.Add(geomObject);
                }
            }

            IList<IFCAnyHandle> bodyItems = new List<IFCAnyHandle>();
            IList<ElementId> materialIdsForExtrusions = new List<ElementId>();

            IList<int> exportAsBRep = new List<int>();
            IList<int> exportAsExtrusion = new List<int>();
            
            using (IFCTransaction tr = new IFCTransaction(file))
            {
                if (tryToExportAsExtrusion)
                {
                    // Check to see if we have Geometries or GFaces.
                    // We will have the specific all GFaces case and then the generic case.
                    IList<Face> faces = null;

                    if (allFaces)
                    {
                        faces = new List<Face>();
                        foreach (GeometryObject geometryObject in splitGeometryList)
                        {
                            faces.Add(geometryObject as Face);
                        }
                    }

                    int numExtrusionsToCreate = allFaces ? 1 : splitGeometryList.Count;

                    IList<IList<IFCExtrusionData>> extrusionLists = new List<IList<IFCExtrusionData>>();
                    for (int ii = 0; ii < numExtrusionsToCreate && tryToExportAsExtrusion; ii++)
                    {
                        IList<IFCExtrusionData> extrusionList = new List<IFCExtrusionData>();

                        IFCExtrusionAxes axesToExtrudeIn = exportBodyParams != null ? exportBodyParams.PossibleExtrusionAxes : IFCExtrusionAxes.TryDefault;
                        XYZ directionToExtrudeIn = XYZ.Zero;
                        if (exportBodyParams != null && exportBodyParams.HasCustomAxis)
                            directionToExtrudeIn = exportBodyParams.CustomAxis;

                        IFCExtrusionCalculatorOptions extrusionOptions =
                           new IFCExtrusionCalculatorOptions(exporterIFC, axesToExtrudeIn, directionToExtrudeIn, scale);

                        if (allFaces)
                            extrusionList = IFCExtrusionCalculatorUtils.CalculateExtrusionData(extrusionOptions, faces);
                        else
                            extrusionList = IFCExtrusionCalculatorUtils.CalculateExtrusionData(extrusionOptions, splitGeometryList[ii]);

                        if (extrusionList.Count == 0)
                        {
                            if (!canExportSolidModelRep)
                            {
                                tryToExportAsExtrusion = false;
                                break;
                            }
                            exportAsBRep.Add(ii);
                        }
                        else
                        {
                            extrusionLists.Add(extrusionList);
                            exportAsExtrusion.Add(ii);
                        }
                    }

                    int numCreatedExtrusions = extrusionLists.Count;
                    for (int ii = 0; (ii < numCreatedExtrusions) && tryToExportAsExtrusion; ii++)
                    {
                        int geomIndex = exportAsExtrusion[ii];
                        bodyData.AddMaterial(SetBestMaterialIdInExporter(splitGeometryList[geomIndex], exporterIFC));

                        if (exportBodyParams != null && exportBodyParams.AreInnerRegionsOpenings)
                        {
                            IList<CurveLoop> curveLoops = extrusionLists[ii][0].GetLoops();
                            XYZ extrudedDirection = extrusionLists[ii][0].ExtrusionDirection;

                            int numLoops = curveLoops.Count;
                            for (int jj = numLoops - 1; jj > 0; jj--)
                            {
                                ExtrusionExporter.AddOpeningData(exportBodyParams, extrusionLists[ii][0], curveLoops[jj]);
                                extrusionLists[ii][0].RemoveLoopAt(jj);
                            }
                        }

                        bool exportedAsExtrusion = false;
                        IFCExtrusionBasis whichBasis = extrusionLists[ii][0].ExtrusionBasis;
                        if (whichBasis >= 0)
                        {
                            IFCAnyHandle extrusionHandle = ExtrusionExporter.CreateExtrudedSolidFromExtrusionData(exporterIFC, element, extrusionLists[ii][0]);
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(extrusionHandle))
                            {
                                bodyItems.Add(extrusionHandle);
                                materialIdsForExtrusions.Add(exporterIFC.GetMaterialIdForCurrentExportState());

                                IList<CurveLoop> curveLoops = extrusionLists[ii][0].GetLoops();
                                XYZ extrusionDirection = extrusionLists[ii][0].ExtrusionDirection;

                                if (exportBodyParams != null)
                                {
                                    double zOff = (whichBasis == IFCExtrusionBasis.BasisZ) ? (1.0 - Math.Abs(extrusionDirection[2])) : Math.Abs(extrusionDirection[2]);
                                    double scaledAngle = Math.Asin(zOff) * 180 / Math.PI;
                                    exportBodyParams.Slope = scaledAngle;
                                    exportBodyParams.ScaledLength = extrusionLists[ii][0].ScaledExtrusionLength;
                                    exportBodyParams.ExtrusionDirection = extrusionDirection;
                                    for (int kk = 1; kk < extrusionLists[ii].Count; kk++)
                                    {
                                        ExtrusionExporter.AddOpeningData(exportBodyParams, extrusionLists[ii][kk]);
                                    }

                                    Plane plane = null;
                                    double height = 0.0, width = 0.0;
                                    if (ExtrusionExporter.ComputeHeightWidthOfCurveLoop(curveLoops[0], plane, out height, out width))
                                    {
                                        exportBodyParams.ScaledHeight = height * scale;
                                        exportBodyParams.ScaledWidth = width * scale;
                                    }

                                    double area = ExporterIFCUtils.ComputeAreaOfCurveLoops(curveLoops);
                                    if (area > 0.0)
                                    {
                                        exportBodyParams.ScaledArea = area * scale * scale;
                                    }

                                    double innerPerimeter = ExtrusionExporter.ComputeInnerPerimeterOfCurveLoops(curveLoops);
                                    double outerPerimeter = ExtrusionExporter.ComputeOuterPerimeterOfCurveLoops(curveLoops);
                                    if (innerPerimeter > 0.0)
                                        exportBodyParams.ScaledInnerPerimeter = innerPerimeter * scale;
                                    if (outerPerimeter > 0.0)
                                        exportBodyParams.ScaledOuterPerimeter = outerPerimeter * scale;
                                }
                                exportedAsExtrusion = true;
                            }
                        }

                        if (!exportedAsExtrusion)
                        {
                            if (!canExportSolidModelRep)
                            {
                                tryToExportAsExtrusion = false;
                                break;
                            }
                            exportAsBRep.Add(ii);
                        }
                    }
                }

                if ((exportAsBRep.Count == 0) && tryToExportAsExtrusion)
                {
                    int sz = bodyItems.Count();
                    for (int ii = 0; ii < sz; ii++)
                        BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, document, bodyItems[ii], materialIdsForExtrusions[ii]);

                    bodyData.RepresentationHnd =
                        RepresentationUtil.CreateSweptSolidRep(exporterIFC, element, categoryId, contextOfItems, bodyItems, bodyData.RepresentationHnd);
                }

                if (tryToExportAsExtrusion)
                    tr.Commit();
                else
                    tr.RollBack();

                if ((exportAsBRep.Count == 0) && tryToExportAsExtrusion)
                    return bodyData;
            }
            
            // We couldn't export it as an extrusion; export as a solid, brep, or a surface model.
            if (!canExportSolidModelRep)
            {
                exportAsExtrusion.Clear();
                bodyItems.Clear();
                if (exportBodyParams != null)
                    exportBodyParams.ClearOpenings();
            }

            if (exportAsExtrusion.Count == 0)
                exportAsBRep.Clear();

            // generate "bottom corner" of bbox; create new local placement if passed in.
            // need to transform, but not scale, this point to make it the new origin.
            // We will only do this if we didn't create any extrusions at all.
            using (IFCTransformSetter transformSetter = IFCTransformSetter.Create())
            {
                if (exportBodyParams != null && (exportAsBRep.Count == 0))
                    bodyData.BrepOffsetTransform = transformSetter.InitializeFromBoundingBox(exporterIFC, splitGeometryList, exportBodyParams);

                return ExportBodyAsBRep(exporterIFC, splitGeometryList, exportAsBRep, bodyItems, element, categoryId, contextOfItems, eps, options, bodyData);
            }
        }
示例#28
0
        /// <summary>
        /// Exports list of solids and meshes to IFC body representation.
        /// </summary>
        /// <param name="application">The Revit application.</param>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="categoryId">The category id.</param>
        /// <param name="solids">The solids.</param>
        /// <param name="meshes">The meshes.</param>
        /// <param name="options">The settings for how to export the body.</param>
        /// <param name="useMappedGeometriesIfPossible">If extrusions are not possible, and there is redundant geometry, 
        /// use a MappedRepresentation.</param>
        /// <param name="useGroupsIfPossible">If extrusions are not possible, and the element is part of a group, 
        /// use the cached version if it exists, or create it.</param>
        /// <param name="exportBodyParams">The extrusion creation data.</param>
        /// <returns>The body data.</returns>
        public static BodyData ExportBody(Autodesk.Revit.ApplicationServices.Application application, 
            ExporterIFC exporterIFC, 
            Element element, 
            ElementId categoryId,
            IList<Solid> solids, 
            IList<Mesh> meshes,
            BodyExporterOptions options,
            IFCExtrusionCreationData exportBodyParams)
        {
            IList<GeometryObject> objects = new List<GeometryObject>();
            foreach (Solid solid in solids)
                objects.Add(solid);
            foreach (Mesh mesh in meshes)
                objects.Add(mesh);

            return ExportBody(application, exporterIFC, element, categoryId, objects, options, exportBodyParams);
        }
示例#29
0
 /// <summary>
 /// Exports a geometry object to IFC body representation.
 /// </summary>
 /// <param name="application">The Revit application.</param>
 /// <param name="exporterIFC">The ExporterIFC object.</param>
 /// <param name="categoryId">The category id.</param>
 /// <param name="geometryObject">The geometry object.</param>
 /// <param name="options">The settings for how to export the body.</param>
 /// <param name="exportBodyParams">The extrusion creation data.</param>
 /// <returns>The body data.</returns>
 public static BodyData ExportBody(Autodesk.Revit.ApplicationServices.Application application, ExporterIFC exporterIFC, 
    Element element, ElementId categoryId,
    GeometryObject geometryObject, BodyExporterOptions options,
    IFCExtrusionCreationData exportBodyParams)
 {
     IList<GeometryObject> geomList = new List<GeometryObject>();
     geomList.Add(geometryObject);
     return ExportBody(application, exporterIFC, element, categoryId, geomList, options, exportBodyParams);
 }
示例#30
0
        /// <summary>
        /// Exports a beam to IFC beam.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="element">
        /// The element to be exported.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="productWrapper">
        /// The ProductWrapper.
        /// </param>
        public static void ExportBeam(ExporterIFC exporterIFC,
                                      Element element, GeometryElement geometryElement, ProductWrapper productWrapper)
        {
            if (geometryElement == null)
            {
                return;
            }

            IFCFile file  = exporterIFC.GetFile();
            double  scale = exporterIFC.LinearScale;

            using (IFCTransaction transaction = new IFCTransaction(file))
            {
                LocationCurve locCurve  = element.Location as LocationCurve;
                Transform     orientTrf = Transform.Identity;

                bool         canExportAxis = (locCurve != null);
                IFCAnyHandle axisRep       = null;

                XYZ   beamDirection = null;
                XYZ   projDir       = null;
                Curve curve         = null;

                Plane plane = null;
                if (canExportAxis)
                {
                    curve = locCurve.Curve;
                    if (curve is Line)
                    {
                        Line line = curve as Line;
                        XYZ  planeY, planeOrig;
                        planeOrig     = line.get_EndPoint(0);
                        beamDirection = line.Direction;
                        if (Math.Abs(beamDirection.Z) < 0.707)  // approx 1.0/sqrt(2.0)
                        {
                            planeY = XYZ.BasisZ.CrossProduct(beamDirection);
                        }
                        else
                        {
                            planeY = XYZ.BasisX.CrossProduct(beamDirection);
                        }
                        planeY           = planeY.Normalize();
                        projDir          = beamDirection.CrossProduct(planeY);
                        plane            = new Plane(beamDirection, planeY, planeOrig);
                        orientTrf.BasisX = beamDirection; orientTrf.BasisY = planeY; orientTrf.BasisZ = projDir; orientTrf.Origin = planeOrig;
                    }
                    else if (curve is Arc)
                    {
                        XYZ yDir, center;
                        Arc arc = curve as Arc;
                        beamDirection    = arc.XDirection; yDir = arc.YDirection; projDir = arc.Normal; center = arc.Center;
                        plane            = new Plane(beamDirection, yDir, center);
                        orientTrf.BasisX = beamDirection; orientTrf.BasisY = yDir; orientTrf.BasisZ = projDir; orientTrf.Origin = center;
                    }
                    else
                    {
                        canExportAxis = false;
                    }
                }

                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, canExportAxis ? orientTrf : null, ExporterUtil.GetBaseLevelIdForElement(element)))
                {
                    IFCAnyHandle          localPlacement = setter.GetPlacement();
                    SolidMeshGeometryInfo solidMeshInfo  = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement);

                    using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
                    {
                        extrusionCreationData.SetLocalPlacement(localPlacement);
                        if (canExportAxis && (orientTrf.BasisX != null))
                        {
                            extrusionCreationData.CustomAxis            = beamDirection;
                            extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryCustom;
                        }
                        else
                        {
                            extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryXY;
                        }

                        IList <Solid> solids = solidMeshInfo.GetSolids();
                        IList <Mesh>  meshes = solidMeshInfo.GetMeshes();

                        ElementId catId = CategoryUtil.GetSafeCategoryId(element);

                        // The representation handle generated from one of the methods below.
                        IFCAnyHandle repHnd = null;

                        // The list of materials in the solids or meshes.
                        ICollection <ElementId> materialIds = new HashSet <ElementId>();

                        // There may be an offset to make the local coordinate system
                        // be near the origin.  This offset will be used to move the axis to the new LCS.
                        Transform offsetTransform = null;

                        // If we have a beam with a Linear location line that only has one solid geometry,
                        // we will try to use the ExtrusionAnalyzer to generate an extrusion with 0 or more clippings.
                        // This code is currently limited in that it will not process beams with openings, so we
                        // use other methods below if this one fails.
                        if (solids.Count == 1 && meshes.Count == 0 && (canExportAxis && (curve is Line)))
                        {
                            bool completelyClipped;
                            beamDirection = orientTrf.BasisX;
                            Plane beamExtrusionPlane = new Plane(orientTrf.BasisY, orientTrf.BasisZ, orientTrf.Origin);
                            repHnd = ExtrusionExporter.CreateExtrusionWithClipping(exporterIFC, element,
                                                                                   catId, solids[0], beamExtrusionPlane, beamDirection, null, out completelyClipped);
                            if (completelyClipped)
                            {
                                return;
                            }

                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
                            {
                                // This is used by the BeamSlopeCalculator.  This should probably be generated automatically by
                                // CreateExtrusionWithClipping.
                                IFCExtrusionBasis bestAxis = (Math.Abs(beamDirection[0]) > Math.Abs(beamDirection[1])) ?
                                                             IFCExtrusionBasis.BasisX : IFCExtrusionBasis.BasisY;
                                extrusionCreationData.Slope = GeometryUtil.GetSimpleExtrusionSlope(beamDirection, bestAxis);
                                ElementId materialId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(solids[0], exporterIFC, element);
                                if (materialId != ElementId.InvalidElementId)
                                {
                                    materialIds.Add(materialId);
                                }
                            }
                        }

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
                        {
                            BodyData bodyData = null;

                            BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                            if (solids.Count > 0 || meshes.Count > 0)
                            {
                                bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId,
                                                                   solids, meshes, bodyExporterOptions, extrusionCreationData);
                            }
                            else
                            {
                                IList <GeometryObject> geomlist = new List <GeometryObject>();
                                geomlist.Add(geometryElement);
                                bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId,
                                                                   geomlist, bodyExporterOptions, extrusionCreationData);
                            }
                            repHnd          = bodyData.RepresentationHnd;
                            materialIds     = bodyData.MaterialIds;
                            offsetTransform = bodyData.OffsetTransform;
                        }

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
                        {
                            extrusionCreationData.ClearOpenings();
                            return;
                        }

                        IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();

                        if (canExportAxis)
                        {
                            XYZ curveOffset = new XYZ(0, 0, 0);
                            if (offsetTransform != null)
                            {
                                curveOffset = -offsetTransform.Origin / scale;
                            }
                            else
                            {
                                // Note that we do not have to have any scaling adjustment here, since the curve origin is in the
                                // same internal coordinate system as the curve.
                                curveOffset = -plane.Origin;
                            }

                            Plane           offsetPlane = new Plane(plane.XVec, plane.YVec, XYZ.Zero);
                            IFCGeometryInfo info        = IFCGeometryInfo.CreateCurveGeometryInfo(exporterIFC, offsetPlane, projDir, false);
                            ExporterIFCUtils.CollectGeometryInfo(exporterIFC, info, curve, curveOffset, true);

                            IList <IFCAnyHandle> axis_items = info.GetCurves();

                            if (axis_items.Count > 0)
                            {
                                string identifierOpt         = "Axis";    // this is by IFC2x2 convention, not temporary
                                string representationTypeOpt = "Curve2D"; // this is by IFC2x2 convention, not temporary
                                axisRep = RepresentationUtil.CreateShapeRepresentation(exporterIFC, element, catId, exporterIFC.Get3DContextHandle(identifierOpt),
                                                                                       identifierOpt, representationTypeOpt, axis_items);
                                representations.Add(axisRep);
                            }
                        }
                        representations.Add(repHnd);

                        Transform    boundingBoxTrf = (offsetTransform == null) ? Transform.Identity : offsetTransform.Inverse;
                        IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, boundingBoxTrf);
                        if (boundingBoxRep != null)
                        {
                            representations.Add(boundingBoxRep);
                        }

                        IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);

                        string instanceGUID        = GUIDUtil.CreateGUID(element);
                        string instanceName        = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                        string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
                        string instanceObjectType  = NamingUtil.GetObjectTypeOverride(element, NamingUtil.CreateIFCObjectName(exporterIFC, element));
                        string instanceTag         = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));

                        IFCAnyHandle beam = IFCInstanceExporter.CreateBeam(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
                                                                           instanceName, instanceDescription, instanceObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, instanceTag);

                        productWrapper.AddElement(element, beam, setter, extrusionCreationData, true);

                        OpeningUtil.CreateOpeningsIfNecessary(beam, element, extrusionCreationData, offsetTransform, exporterIFC,
                                                              extrusionCreationData.GetLocalPlacement(), setter, productWrapper);

                        FamilyTypeInfo typeInfo = new FamilyTypeInfo();
                        typeInfo.ScaledDepth          = extrusionCreationData.ScaledLength;
                        typeInfo.ScaledArea           = extrusionCreationData.ScaledArea;
                        typeInfo.ScaledInnerPerimeter = extrusionCreationData.ScaledInnerPerimeter;
                        typeInfo.ScaledOuterPerimeter = extrusionCreationData.ScaledOuterPerimeter;
                        PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, beam, element, typeInfo);

                        if (materialIds.Count != 0)
                        {
                            CategoryUtil.CreateMaterialAssociations(exporterIFC, beam, materialIds);
                        }

                        // Register the beam's IFC handle for later use by truss and beam system export.
                        ExporterCacheManager.ElementToHandleCache.Register(element.Id, beam);
                    }
                }

                transaction.Commit();
            }
        }
示例#31
0
        /// <summary>
        /// Exports a geometry object to IFC body representation.
        /// </summary>
        /// <param name="application">The Revit application.</param>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="categoryId">The category id.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="options">The settings for how to export the body.</param>
        /// <param name="exportBodyParams">The extrusion creation data.</param>
        /// <param name="brepOffsetTransform">If the body is exported as a BRep or surface model, the transform used to shift it to the local origin.</param>
        /// <returns>The body data.</returns>
        public static BodyData ExportBody(Autodesk.Revit.ApplicationServices.Application application, ExporterIFC exporterIFC,
           Element element, ElementId categoryId,
           GeometryElement geometryElement, BodyExporterOptions options,
           IFCExtrusionCreationData exportBodyParams)
        {
            SolidMeshGeometryInfo info = null;
            IList<GeometryObject> geomList = new List<GeometryObject>();

            if (!exporterIFC.ExportAs2x2)
            {
                info = GeometryUtil.GetSolidMeshGeometry(geometryElement, Transform.Identity);
                IList<Mesh> meshes = info.GetMeshes();
                if (meshes.Count == 0)
                {
                    IList<Solid> solidList = info.GetSolids();
                    foreach (Solid solid in solidList)
                    {
                        geomList.Add(solid);
                    }
                }
            }

            if (geomList.Count == 0)
                geomList.Add(geometryElement);

            return ExportBody(application, exporterIFC, element, categoryId, geomList, 
                options, exportBodyParams);
        }
        /// <summary>
        /// Creates IFC room/space/area item, not include boundaries. 
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="spatialElement">
        /// The spatial element.
        /// </param>
        /// <param name="productWrapper">
        /// The ProductWrapper.
        /// </param>
        /// <param name="setter">
        /// The IFCPlacementSetter.
        /// </param>
        /// <returns>
        /// True if created successfully, false otherwise.
        /// </returns>
        static bool CreateIFCSpace(ExporterIFC exporterIFC, SpatialElement spatialElement, ProductWrapper productWrapper, IFCPlacementSetter setter)
        {
            IList<CurveLoop> curveLoops = null;
            try
            {
                SpatialElementBoundaryOptions options = ExporterIFCUtils.GetSpatialElementBoundaryOptions(exporterIFC, spatialElement);
                curveLoops = ExporterIFCUtils.GetRoomBoundaryAsCurveLoopArray(spatialElement, options, true);
            }
            catch (Autodesk.Revit.Exceptions.InvalidOperationException)
            {
                //Some spatial elements are not placed that have no boundary loops. Don't export them.
                return false;
            }

            Autodesk.Revit.DB.Document document = spatialElement.Document;
            ElementId levelId = spatialElement.Level != null ? spatialElement.Level.Id : ElementId.InvalidElementId;
            double scale = exporterIFC.LinearScale;

            ElementId catId = spatialElement.Category != null ? spatialElement.Category.Id : ElementId.InvalidElementId;

            double dArea = 0.0;
            if (ParameterUtil.GetDoubleValueFromElement(spatialElement, BuiltInParameter.ROOM_AREA, out dArea))
                dArea *= (scale * scale);

            IFCLevelInfo levelInfo = exporterIFC.GetLevelInfo(levelId);

            string strSpaceNumber = null;
            string strSpaceName = null;
            string strSpaceDesc = null;

            bool isArea = spatialElement is Area;
            if (!isArea)
            {
                if (!ParameterUtil.GetStringValueFromElement(spatialElement, BuiltInParameter.ROOM_NUMBER, out strSpaceNumber))
                    strSpaceNumber = null;

                if (!ParameterUtil.GetStringValueFromElement(spatialElement, BuiltInParameter.ROOM_NAME, out strSpaceName))
                    strSpaceName = null;

                if (!ParameterUtil.GetStringValueFromElement(spatialElement, BuiltInParameter.ALL_MODEL_INSTANCE_COMMENTS, out strSpaceDesc))
                    strSpaceDesc = null;
            }
            else
            {
                // Default to true to preserve previous behavior.
                bool? exportGSADesignGrossArea = ExporterCacheManager.ExportOptionsCache.ExportGSAGrossDesignArea;
                if (!exportGSADesignGrossArea.HasValue || exportGSADesignGrossArea.Value)
                {
                    Element level = document.GetElement(levelId);
                    if (level != null)
                    {
                        strSpaceNumber = level.Name + " GSA Design Gross Area";
                    }
                }
            }

            string name = strSpaceNumber;
            string longName = strSpaceName;
            string desc = strSpaceDesc;

            IFCFile file = exporterIFC.GetFile();

            IFCAnyHandle localPlacement = setter.GetPlacement();
            ElementType elemType = document.GetElement(spatialElement.GetTypeId()) as ElementType;
            IFCInternalOrExternal internalOrExternal = CategoryUtil.IsElementExternal(spatialElement, true) ? IFCInternalOrExternal.External : IFCInternalOrExternal.Internal;

            double roomHeight = 0.0;

            roomHeight = GetHeight(spatialElement, scale, levelId, levelInfo);
            if (roomHeight <= 0.0)
                return false;

            double bottomOffset;
            ParameterUtil.GetDoubleValueFromElement(spatialElement, BuiltInParameter.ROOM_LOWER_OFFSET, out bottomOffset);

            XYZ zDir = new XYZ(0, 0, 1);
            XYZ orig = new XYZ(0, 0, levelInfo.Elevation + bottomOffset);

            Plane plane = new Plane(zDir, orig); // room calculated as level offset.

            GeometryElement geomElem = null;
            if (spatialElement is Autodesk.Revit.DB.Architecture.Room)
            {
                Autodesk.Revit.DB.Architecture.Room room = spatialElement as Autodesk.Revit.DB.Architecture.Room;
                geomElem = room.ClosedShell;
            }
            else if (spatialElement is Autodesk.Revit.DB.Mechanical.Space)
            {
                Autodesk.Revit.DB.Mechanical.Space space = spatialElement as Autodesk.Revit.DB.Mechanical.Space;
                geomElem = space.ClosedShell;
            }

            IFCAnyHandle spaceHnd = null;
            using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
            {
                extraParams.SetLocalPlacement(localPlacement);
                extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;

                using (IFCTransaction transaction2 = new IFCTransaction(file))
                {
                    IFCAnyHandle repHnd = null;
                    if (!ExporterCacheManager.ExportOptionsCache.Use2DRoomBoundaryForRoomVolumeCreation && geomElem != null)
                    {
                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                        bodyExporterOptions.TessellationLevel = BodyExporterOptions.BodyTessellationLevel.Coarse;
                        repHnd = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, spatialElement,
                            catId, geomElem, bodyExporterOptions, null, extraParams);
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
                            extraParams.ClearOpenings();
                    }
                    else
                    {
                        IFCAnyHandle shapeRep = ExtrusionExporter.CreateExtrudedSolidFromCurveLoop(exporterIFC, null, curveLoops, plane, zDir, roomHeight);
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
                            return false;
                        IFCAnyHandle styledItemHnd = BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, document,
                            shapeRep, ElementId.InvalidElementId);

                        HashSet<IFCAnyHandle> bodyItems = new HashSet<IFCAnyHandle>();
                        bodyItems.Add(shapeRep);
                        shapeRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, spatialElement, catId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null);
                        IList<IFCAnyHandle> shapeReps = new List<IFCAnyHandle>();
                        shapeReps.Add(shapeRep);

                        IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomElem, Transform.Identity);
                        if (boundingBoxRep != null)
                            shapeReps.Add(boundingBoxRep);

                        repHnd = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
                    }

                    extraParams.ScaledHeight = roomHeight;
                    extraParams.ScaledArea = dArea;

                    string spatialElementName = NamingUtil.GetNameOverride(spatialElement, name);
                    string spatialElementDescription = NamingUtil.GetDescriptionOverride(spatialElement, desc);
                    string spatialElementObjectType = NamingUtil.GetObjectTypeOverride(spatialElement, null);

                    double? spaceElevationWithFlooring = null;
                    double elevationWithFlooring = 0.0;
                    if (ParameterUtil.GetDoubleValueFromElement(spatialElement, "IfcElevationWithFlooring", out elevationWithFlooring) == true)
                        spaceElevationWithFlooring = elevationWithFlooring;
                    spaceHnd = IFCInstanceExporter.CreateSpace(file, GUIDUtil.CreateGUID(spatialElement),
                                                  exporterIFC.GetOwnerHistoryHandle(),
                                                  spatialElementName,spatialElementDescription, spatialElementObjectType,
                                                  extraParams.GetLocalPlacement(), repHnd, longName, Toolkit.IFCElementComposition.Element,
                                                  internalOrExternal, spaceElevationWithFlooring);

                    transaction2.Commit();
                }

                productWrapper.AddSpace(spaceHnd, levelInfo, extraParams, true);
            }

            // Save room handle for later use/relationships
            ExporterCacheManager.SpatialElementHandleCache.Register(spatialElement.Id, spaceHnd);
            exporterIFC.RegisterSpatialElementHandle(spatialElement.Id, spaceHnd);

            // Find Ceiling as a Space boundary and keep the relationship in a cache for use later
            Boolean ret = getCeilingSpaceBoundary(spatialElement);

            if (!MathUtil.IsAlmostZero(dArea) && !(ExporterCacheManager.ExportOptionsCache.FileVersion == IFCVersion.IFCCOBIE) &&
                !ExporterCacheManager.ExportOptionsCache.ExportAs2x3CoordinationView2 && !ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities)
            {
                ExporterIFCUtils.CreatePreCOBIEGSAQuantities(exporterIFC, spaceHnd, "GSA Space Areas", (isArea ? "GSA Design Gross Area" : "GSA BIM Area"), dArea);
            }

            // Export BaseQuantities for SpatialElement
            if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities && !(ExporterCacheManager.ExportOptionsCache.FileVersion == IFCVersion.IFCCOBIE))
            {
                // Skip this step. The "standard" quantities will be exported at the end of export element process in exportElement (Exporter.cs)
                // ExporterIFCUtils.CreateNonCOBIERoomQuantities(exporterIFC, spaceHnd, spatialElement, dArea, roomHeight);
            }

            // Create general classification for Spatial element from ClassificationCode(s). This is not done here but rather at the end of exportElement process
            // ClassificationUtil.CreateClassification(exporterIFC, file, spatialElement, spaceHnd, "");

            // Export Classifications for SpatialElement for GSA/COBIE.
            if (ExporterCacheManager.ExportOptionsCache.FileVersion == IFCVersion.IFCCOBIE)
            {
                CreateCOBIESpaceClassifications(exporterIFC, file, spaceHnd, document.ProjectInformation, spatialElement);
            }

            return true;
        }
示例#33
0
        private static bool ExportBodyAsSolid(ExporterIFC exporterIFC, Element element, BodyExporterOptions options,
            IList<HashSet<IFCAnyHandle>> currentFaceHashSetList, GeometryObject geomObject)
        {
            IFCFile file = exporterIFC.GetFile();
            Document document = element.Document;
            bool exportedAsSolid = false;


            try
            {
                if (geomObject is Solid)
                {
                    Solid solid = geomObject as Solid;
                    exportedAsSolid = ExportPlanarBodyIfPossible(exporterIFC, solid, currentFaceHashSetList);
                    if (exportedAsSolid)
                        return exportedAsSolid;

                    SolidOrShellTessellationControls tessellationControls = options.TessellationControls;

                    TriangulatedSolidOrShell solidFacetation =
                        SolidUtils.TessellateSolidOrShell(solid, tessellationControls);
                    if (solidFacetation.ShellComponentCount == 1)
                    {
                        TriangulatedShellComponent component = solidFacetation.GetShellComponent(0);
                        int numberOfTriangles = component.TriangleCount;
                        int numberOfVertices = component.VertexCount;
                        if (numberOfTriangles > 0 && numberOfVertices > 0)
                        {
                            IList<IFCAnyHandle> vertexHandles = new List<IFCAnyHandle>();
                            HashSet<IFCAnyHandle> currentFaceSet = new HashSet<IFCAnyHandle>();

                            // create list of vertices first.
                            for (int ii = 0; ii < numberOfVertices; ii++)
                            {
                                XYZ vertex = component.GetVertex(ii);
                                XYZ vertexScaled = ExporterIFCUtils.TransformAndScalePoint(exporterIFC, vertex);
                                IFCAnyHandle vertexHandle = ExporterUtil.CreateCartesianPoint(file, vertexScaled);
                                vertexHandles.Add(vertexHandle);
                            }

                            try
                            {
                                IList<LinkedList<int>> facets = ConvertTrianglesToPlanarFacets(component);
                                foreach (LinkedList<int> facet in facets)
                                {
                                    IList<IFCAnyHandle> vertices = new List<IFCAnyHandle>();
                                    int numVertices = facet.Count;
                                    if (numVertices < 3)
                                        continue;
                                    foreach (int vertexIndex in facet)
                                    {
                                        vertices.Add(vertexHandles[vertexIndex]);
                                    }

                                    IFCAnyHandle faceOuterLoop = IFCInstanceExporter.CreatePolyLoop(file, vertices);
                                    IFCAnyHandle faceOuterBound = IFCInstanceExporter.CreateFaceOuterBound(file, faceOuterLoop, true);
                                    HashSet<IFCAnyHandle> faceBounds = new HashSet<IFCAnyHandle>();
                                    faceBounds.Add(faceOuterBound);
                                    IFCAnyHandle face = IFCInstanceExporter.CreateFace(file, faceBounds);
                                    currentFaceSet.Add(face);
                                }
                            }
                            catch
                            {
                                for (int ii = 0; ii < numberOfTriangles; ii++)
                                {
                                    TriangleInShellComponent triangle = component.GetTriangle(ii);
                                    IList<IFCAnyHandle> vertices = new List<IFCAnyHandle>();
                                    vertices.Add(vertexHandles[triangle.VertexIndex0]);
                                    vertices.Add(vertexHandles[triangle.VertexIndex1]);
                                    vertices.Add(vertexHandles[triangle.VertexIndex2]);
                                    IFCAnyHandle faceOuterLoop = IFCInstanceExporter.CreatePolyLoop(file, vertices);
                                    IFCAnyHandle faceOuterBound = IFCInstanceExporter.CreateFaceOuterBound(file, faceOuterLoop, true);
                                    HashSet<IFCAnyHandle> faceBounds = new HashSet<IFCAnyHandle>();
                                    faceBounds.Add(faceOuterBound);
                                    IFCAnyHandle face = IFCInstanceExporter.CreateFace(file, faceBounds);
                                    currentFaceSet.Add(face);
                                }
                            }
                            finally
                            {
                                currentFaceHashSetList.Add(currentFaceSet);
                                exportedAsSolid = true;
                            }
                        }
                    }
                }
                return exportedAsSolid;
            }
            catch
            {
                string errMsg = String.Format("TessellateSolidOrShell failed in IFC export for element \"{0}\" with id {1}", element.Name, element.Id);
                document.Application.WriteJournalComment(errMsg, false/*timestamp*/);
                return false;
            }
        }
        /// <summary>
        /// Exports a gutter element.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        public static void ExportGutter(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, ProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.SetLocalPlacement(setter.GetPlacement());

                        ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);

                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions();
                        IFCAnyHandle bodyRep = BodyExporter.ExportBody(exporterIFC, element, categoryId, ElementId.InvalidElementId,
                            geometryElement, bodyExporterOptions, ecData).RepresentationHnd;
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
                        {
                            if (ecData != null)
                                ecData.ClearOpenings();
                            return;
                        }

                        IFCAnyHandle origin = ExporterUtil.CreateAxis2Placement3D(file);
                        IFCAnyHandle repMap3dHnd = IFCInstanceExporter.CreateRepresentationMap(file, origin, bodyRep);
                        List<IFCAnyHandle> repMapList = new List<IFCAnyHandle>();
                        repMapList.Add(repMap3dHnd);
                        string elementTypeName = NamingUtil.CreateIFCObjectName(exporterIFC, element);
                        IFCAnyHandle style = IFCInstanceExporter.CreatePipeSegmentType(file, GUIDUtil.CreateGUID(element), exporterIFC.GetOwnerHistoryHandle(),
                            elementTypeName, null, null, null, repMapList, NamingUtil.CreateIFCElementId(element), elementTypeName, IFCPipeSegmentType.Gutter);


                        List<IFCAnyHandle> representationMaps = GeometryUtil.GetRepresentationMaps(style);
                        IFCAnyHandle mappedItem = ExporterUtil.CreateDefaultMappedItem(file, representationMaps[0]);

                        IList<IFCAnyHandle> representations = new List<IFCAnyHandle>();
                        representations.Add(mappedItem);

                        IFCAnyHandle bodyMappedItemRep = RepresentationUtil.CreateBodyMappedItemRep(exporterIFC,
                            element, categoryId, exporterIFC.Get3DContextHandle("Body"), representations);
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyMappedItemRep))
                            return;

                        List<IFCAnyHandle> shapeReps = new List<IFCAnyHandle>();
                        shapeReps.Add(bodyMappedItemRep);

                        IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, Transform.Identity);
                        if (boundingBoxRep != null)
                            shapeReps.Add(boundingBoxRep);
                        
                        IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
                        IFCAnyHandle localPlacementToUse;
                        ElementId roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse);
                        if (roomId == ElementId.InvalidElementId)
                            localPlacementToUse = ecData.GetLocalPlacement();
                        string name = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                        string description = NamingUtil.GetDescriptionOverride(element, null);
                        string objectType = NamingUtil.GetObjectTypeOverride(element, elementTypeName);
                        string Tag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));

                        IFCAnyHandle elemHnd = IFCInstanceExporter.CreateFlowSegment(file, GUIDUtil.CreateGUID(element),
                            exporterIFC.GetOwnerHistoryHandle(), name, description, objectType, localPlacementToUse, prodRep,
                            Tag);

                        if (roomId == ElementId.InvalidElementId)
                        {
                            productWrapper.AddElement(elemHnd, setter.GetLevelInfo(), ecData, true);
                        }
                        else
                        {
                            exporterIFC.RelateSpatialElement(roomId, elemHnd);
                            productWrapper.AddElement(elemHnd, setter.GetLevelInfo(), ecData, false);
                        }

                        OpeningUtil.CreateOpeningsIfNecessary(elemHnd, element, ecData, exporterIFC,
                           localPlacementToUse, setter, productWrapper);
                    }

                    tr.Commit();
                }
            }
        }
示例#35
0
        /// <summary>
        /// Exports a floor to IFC slab.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="floor">
        /// The floor element.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="ifcEnumType">
        /// The string value represents the IFC type.
        /// </param>
        /// <param name="productWrapper">
        /// The IFCProductWrapper.
        /// </param>
        /// <param name="exportParts">
        /// Whether to export parts or not.
        /// </param>
        /// <returns>
        /// True if the floor is exported successfully, false otherwise.
        /// </returns>
        public static void ExportFloor(ExporterIFC exporterIFC, Element floorElement, GeometryElement geometryElement, string ifcEnumType,
                                       IFCProductWrapper productWrapper, bool exportParts)
        {
            if (geometryElement == null)
            {
                return;
            }

            IFCFile file = exporterIFC.GetFile();
            IList <IFCAnyHandle> slabHnds = new List <IFCAnyHandle>();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCTransformSetter transformSetter = IFCTransformSetter.Create())
                {
                    using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, floorElement))
                    {
                        IFCAnyHandle localPlacement = placementSetter.GetPlacement();
                        IFCAnyHandle ownerHistory   = exporterIFC.GetOwnerHistoryHandle();
                        bool         exportedAsInternalExtrusion = false;

                        double    scale = exporterIFC.LinearScale;
                        ElementId catId = CategoryUtil.GetSafeCategoryId(floorElement);

                        IList <IFCAnyHandle>             reps            = new List <IFCAnyHandle>();
                        IList <IList <CurveLoop> >       extrusionLoops  = new List <IList <CurveLoop> >();
                        IList <IFCExtrusionCreationData> loopExtraParams = new List <IFCExtrusionCreationData>();
                        Plane floorPlane = GeometryUtil.CreateDefaultPlane();

                        IList <IFCAnyHandle> localPlacements = new List <IFCAnyHandle>();

                        if (!exportParts)
                        {
                            // First, try to use the ExtrusionAnalyzer for the limited cases it handles - 1 solid, no openings, end clippings only.
                            // Also limited to cases with line and arc boundaries.
                            //
                            if (floorElement is Floor)
                            {
                                Floor floor = floorElement as Floor;
                                SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSolidMeshGeometry(geometryElement, Transform.Identity);
                                IList <Solid>         solids        = solidMeshInfo.GetSolids();
                                IList <Mesh>          meshes        = solidMeshInfo.GetMeshes();

                                if (solids.Count == 1 && meshes.Count == 0)
                                {
                                    IList <Solid> splitVolumes = SolidUtils.SplitVolumes(solids[0]);
                                    if (splitVolumes.Count == 1)
                                    {
                                        bool completelyClipped;
                                        XYZ  floorExtrusionDirection = new XYZ(0, 0, -1);
                                        XYZ  modelOrigin             = XYZ.Zero;

                                        XYZ floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top);
                                        if (floorOrigin == null)
                                        {
                                            // GetVerticalProjectionPoint may return null if FloorFace.Top is an edited face that doesn't
                                            // go thruough te Revit model orgigin.  We'll try the midpoint of the bounding box instead.
                                            BoundingBoxXYZ boundingBox = floor.get_BoundingBox(null);
                                            modelOrigin = (boundingBox.Min + boundingBox.Max) / 2.0;
                                            floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top);
                                        }

                                        if (floorOrigin != null)
                                        {
                                            XYZ   floorDir = floor.GetNormalAtVerticalProjectionPoint(floorOrigin, FloorFace.Top);
                                            Plane extrusionAnalyzerFloorPlane = new Plane(floorDir, floorOrigin);

                                            HandleAndData floorAndProperties =
                                                ExtrusionExporter.CreateExtrusionWithClippingAndProperties(exporterIFC, floor,
                                                                                                           catId, solids[0], extrusionAnalyzerFloorPlane, floorExtrusionDirection, null, out completelyClipped);
                                            if (completelyClipped)
                                            {
                                                return;
                                            }
                                            if (floorAndProperties.Handle != null)
                                            {
                                                IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
                                                representations.Add(floorAndProperties.Handle);
                                                IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
                                                reps.Add(prodRep);

                                                if (floorAndProperties.Data != null)
                                                {
                                                    loopExtraParams.Add(floorAndProperties.Data);
                                                }
                                            }
                                        }
                                    }
                                }
                            }


                            // Use internal routine as backup that handles openings.
                            if (reps.Count == 0)
                            {
                                exportedAsInternalExtrusion = ExporterIFCUtils.ExportSlabAsExtrusion(exporterIFC, floorElement,
                                                                                                     geometryElement, transformSetter, localPlacement, out localPlacements, out reps,
                                                                                                     out extrusionLoops, out loopExtraParams, floorPlane);
                            }

                            if (reps.Count == 0)
                            {
                                using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                                {
                                    BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                                    bodyExporterOptions.TessellationLevel = BodyExporterOptions.BodyTessellationLevel.Coarse;
                                    IFCAnyHandle prodDefHnd = RepresentationUtil.CreateBRepProductDefinitionShape(floorElement.Document.Application, exporterIFC,
                                                                                                                  floorElement, catId, geometryElement, bodyExporterOptions, null, ecData);
                                    if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodDefHnd))
                                    {
                                        ecData.ClearOpenings();
                                        return;
                                    }

                                    reps.Add(prodDefHnd);
                                }
                            }
                        }

                        // Create the slab from either the extrusion or the BRep information.
                        string ifcGUID = ExporterIFCUtils.CreateGUID(floorElement);

                        int numReps = exportParts ? 1 : reps.Count;
                        for (int ii = 0; ii < numReps; ii++)
                        {
                            string ifcName        = NamingUtil.GetNameOverride(floorElement, NamingUtil.CreateIFCName(exporterIFC, ii == 0 ? -1 : ii + 1));
                            string ifcDescription = NamingUtil.GetDescriptionOverride(floorElement, null);
                            string ifcObjectType  = NamingUtil.GetObjectTypeOverride(floorElement, exporterIFC.GetFamilyName());
                            string ifcElemId      = NamingUtil.CreateIFCElementId(floorElement);

                            string       currentGUID       = (ii == 0) ? ifcGUID : ExporterIFCUtils.CreateGUID();
                            IFCAnyHandle localPlacementHnd = exportedAsInternalExtrusion ? localPlacements[ii] : localPlacement;
                            IFCSlabType  slabType          = GetIFCSlabType(ifcEnumType);

                            IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, currentGUID, ownerHistory, ifcName,
                                                                                  ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : reps[ii], ifcElemId, slabType);

                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(slabHnd))
                            {
                                return;
                            }

                            if (exportParts)
                            {
                                PartExporter.ExportHostPart(exporterIFC, floorElement, slabHnd, productWrapper, placementSetter, localPlacementHnd, null);
                            }

                            slabHnds.Add(slabHnd);
                        }

                        bool associateElementToLevel = LevelUtil.AssociateElementToLevel(floorElement);
                        for (int ii = 0; ii < numReps; ii++)
                        {
                            IFCExtrusionCreationData loopExtraParam = ii < loopExtraParams.Count ? loopExtraParams[ii] : null;
                            productWrapper.AddElement(slabHnds[ii], placementSetter, loopExtraParam, associateElementToLevel);
                        }

                        if (exportedAsInternalExtrusion)
                        {
                            ExporterIFCUtils.ExportExtrudedSlabOpenings(exporterIFC, floorElement, placementSetter,
                                                                        localPlacements[0], slabHnds, extrusionLoops, floorPlane, productWrapper);
                        }

                        PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, floorElement, productWrapper);
                    }

                    if (!exportParts)
                    {
                        HostObjectExporter.ExportHostObjectMaterials(exporterIFC, floorElement as HostObject, slabHnds,
                                                                     geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3);
                    }
                }
                tr.Commit();

                return;
            }
        }
示例#36
0
        /// <summary>
        /// Exports a beam to IFC beam.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="element">
        /// The element to be exported.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="productWrapper">
        /// The ProductWrapper.
        /// </param>
        public static void ExportBeam(ExporterIFC exporterIFC,
           Element element, GeometryElement geometryElement, ProductWrapper productWrapper)
        {
            if (geometryElement == null)
                return;

            IFCFile file = exporterIFC.GetFile();
            double scale = exporterIFC.LinearScale;

            using (IFCTransaction transaction = new IFCTransaction(file))
            {
                LocationCurve locCurve = element.Location as LocationCurve;
                Transform orientTrf = Transform.Identity;

                bool canExportAxis = (locCurve != null);
                IFCAnyHandle axisRep = null;

                XYZ beamDirection = null;
                XYZ projDir = null;
                Curve curve = null;

                Plane plane = null;
                if (canExportAxis)
                {
                    curve = locCurve.Curve;
                    if (curve is Line)
                    {
                        Line line = curve as Line;
                        XYZ planeY, planeOrig;
                        planeOrig = line.get_EndPoint(0);
                        beamDirection = line.Direction;
                        if (Math.Abs(beamDirection.Z) < 0.707)  // approx 1.0/sqrt(2.0)
                        {
                            planeY = XYZ.BasisZ.CrossProduct(beamDirection);
                        }
                        else
                        {
                            planeY = XYZ.BasisX.CrossProduct(beamDirection);
                        }
                        planeY = planeY.Normalize();
                        projDir = beamDirection.CrossProduct(planeY);
                        plane = new Plane(beamDirection, planeY, planeOrig);
                        orientTrf.BasisX = beamDirection; orientTrf.BasisY = planeY; orientTrf.BasisZ = projDir; orientTrf.Origin = planeOrig;
                    }
                    else if (curve is Arc)
                    {
                        XYZ yDir, center;
                        Arc arc = curve as Arc;
                        beamDirection = arc.XDirection; yDir = arc.YDirection; projDir = arc.Normal; center = arc.Center;
                        plane = new Plane(beamDirection, yDir, center);
                        orientTrf.BasisX = beamDirection; orientTrf.BasisY = yDir; orientTrf.BasisZ = projDir; orientTrf.Origin = center;
                    }
                    else
                        canExportAxis = false;
                }

                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, canExportAxis ? orientTrf : null, ExporterUtil.GetBaseLevelIdForElement(element)))
                {
                    IFCAnyHandle localPlacement = setter.GetPlacement();
                    SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement);

                    using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
                    {
                        extrusionCreationData.SetLocalPlacement(localPlacement);
                        if (canExportAxis && (orientTrf.BasisX != null))
                        {
                            extrusionCreationData.CustomAxis = beamDirection;
                            extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryCustom;
                        }
                        else
                            extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryXY;

                        IList<Solid> solids = solidMeshInfo.GetSolids();
                        IList<Mesh> meshes = solidMeshInfo.GetMeshes();
                        
                        ElementId catId = CategoryUtil.GetSafeCategoryId(element);

                        // The representation handle generated from one of the methods below.
                        IFCAnyHandle repHnd = null;

                        // The list of materials in the solids or meshes.
                        ICollection<ElementId> materialIds = new HashSet<ElementId>();

                        // There may be an offset to make the local coordinate system
                        // be near the origin.  This offset will be used to move the axis to the new LCS.
                        Transform offsetTransform = null;
                        
                        // If we have a beam with a Linear location line that only has one solid geometry,
                        // we will try to use the ExtrusionAnalyzer to generate an extrusion with 0 or more clippings.
                        // This code is currently limited in that it will not process beams with openings, so we
                        // use other methods below if this one fails.
                        if (solids.Count == 1 && meshes.Count == 0 && (canExportAxis && (curve is Line)))
                        {
                            bool completelyClipped;
                            beamDirection = orientTrf.BasisX;
                            Plane beamExtrusionPlane = new Plane(orientTrf.BasisY, orientTrf.BasisZ, orientTrf.Origin);
                            repHnd = ExtrusionExporter.CreateExtrusionWithClipping(exporterIFC, element,
                                catId, solids[0], beamExtrusionPlane, beamDirection, null, out completelyClipped);
                            if (completelyClipped)
                                return;

                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
                            {
                                // This is used by the BeamSlopeCalculator.  This should probably be generated automatically by
                                // CreateExtrusionWithClipping.
                                IFCExtrusionBasis bestAxis = (Math.Abs(beamDirection[0]) > Math.Abs(beamDirection[1])) ?
                                    IFCExtrusionBasis.BasisX : IFCExtrusionBasis.BasisY;
                                extrusionCreationData.Slope = GeometryUtil.GetSimpleExtrusionSlope(beamDirection, bestAxis);
                                ElementId materialId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(solids[0], exporterIFC, element);
                                if (materialId != ElementId.InvalidElementId)
                                    materialIds.Add(materialId);
                            }
                        }

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
                        {
                            BodyData bodyData = null;

                            BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                            if (solids.Count > 0 || meshes.Count > 0)
                            {
                                bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId,
                                    solids, meshes, bodyExporterOptions, extrusionCreationData);
                            }
                            else
                            {
                                IList<GeometryObject> geomlist = new List<GeometryObject>();
                                geomlist.Add(geometryElement);
                                bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId, 
                                    geomlist, bodyExporterOptions, extrusionCreationData);
                            }
                            repHnd = bodyData.RepresentationHnd;
                            materialIds = bodyData.MaterialIds;
                            offsetTransform = bodyData.OffsetTransform;
                        }

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
                        {
                            extrusionCreationData.ClearOpenings();
                            return;
                        }

                        IList<IFCAnyHandle> representations = new List<IFCAnyHandle>();

                        if (canExportAxis)
                        {
                            XYZ curveOffset = new XYZ(0, 0, 0);
                            if (offsetTransform != null)
                            {
                                curveOffset = -offsetTransform.Origin / scale;
                            }
                            else
                            {
                                // Note that we do not have to have any scaling adjustment here, since the curve origin is in the 
                                // same internal coordinate system as the curve.
                                curveOffset = -plane.Origin;
                            }

                            Plane offsetPlane = new Plane(plane.XVec, plane.YVec, XYZ.Zero);
                            IFCGeometryInfo info = IFCGeometryInfo.CreateCurveGeometryInfo(exporterIFC, offsetPlane, projDir, false);
                            ExporterIFCUtils.CollectGeometryInfo(exporterIFC, info, curve, curveOffset, true);
                            
                            IList<IFCAnyHandle> axis_items = info.GetCurves();

                            if (axis_items.Count > 0)
                            {
                                string identifierOpt = "Axis";	// this is by IFC2x2 convention, not temporary
                                string representationTypeOpt = "Curve2D";  // this is by IFC2x2 convention, not temporary
                                axisRep = RepresentationUtil.CreateShapeRepresentation(exporterIFC, element, catId, exporterIFC.Get3DContextHandle(identifierOpt),
                                   identifierOpt, representationTypeOpt, axis_items);
                                representations.Add(axisRep);
                            }
                        }
                        representations.Add(repHnd);

                        Transform boundingBoxTrf = (offsetTransform == null) ? Transform.Identity : offsetTransform.Inverse;
                        IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, boundingBoxTrf);
                        if (boundingBoxRep != null)
                            representations.Add(boundingBoxRep);

                        IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);

                        string instanceGUID = GUIDUtil.CreateGUID(element);
                        string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                        string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
                        string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, NamingUtil.CreateIFCObjectName(exporterIFC, element));
                        string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));

                        IFCAnyHandle beam = IFCInstanceExporter.CreateBeam(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
                            instanceName, instanceDescription, instanceObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, instanceTag);

                        productWrapper.AddElement(element, beam, setter, extrusionCreationData, true);

                        OpeningUtil.CreateOpeningsIfNecessary(beam, element, extrusionCreationData, offsetTransform, exporterIFC, 
                            extrusionCreationData.GetLocalPlacement(), setter, productWrapper);

                        FamilyTypeInfo typeInfo = new FamilyTypeInfo();
                        typeInfo.ScaledDepth = extrusionCreationData.ScaledLength;
                        typeInfo.ScaledArea = extrusionCreationData.ScaledArea;
                        typeInfo.ScaledInnerPerimeter = extrusionCreationData.ScaledInnerPerimeter;
                        typeInfo.ScaledOuterPerimeter = extrusionCreationData.ScaledOuterPerimeter;
                        PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, beam, element, typeInfo);

                        if (materialIds.Count != 0)
                        {
                            CategoryUtil.CreateMaterialAssociations(exporterIFC, beam, materialIds);
                        }

                        // Register the beam's IFC handle for later use by truss and beam system export.
                        ExporterCacheManager.ElementToHandleCache.Register(element.Id, beam);
                    }
                }

                transaction.Commit();
            }
        }
示例#37
0
        /// <summary>
        /// Exports an element to IFC footing.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="element">
        /// The element.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="ifcEnumType">
        /// The string value represents the IFC type.
        /// </param>
        /// <param name="productWrapper">
        /// The IFCProductWrapper.
        /// </param>
        public static void ExportFooting(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
                                         string ifcEnumType, IFCProductWrapper productWrapper)
        {
            // export parts or not
            bool exportParts = PartExporter.CanExportParts(element);

            if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.Level.Id, false))
            {
                return;
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.SetLocalPlacement(setter.GetPlacement());

                        IFCAnyHandle prodRep = null;
                        if (!exportParts)
                        {
                            ElementId catId = CategoryUtil.GetSafeCategoryId(element);

                            BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                            prodRep = RepresentationUtil.CreateBRepProductDefinitionShape(element.Document.Application, exporterIFC,
                                                                                          element, catId, geometryElement, bodyExporterOptions, null, ecData);
                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
                            {
                                ecData.ClearOpenings();
                                return;
                            }
                        }

                        string instanceGUID                = ExporterIFCUtils.CreateGUID(element);
                        string origInstanceName            = exporterIFC.GetName();
                        string instanceName                = NamingUtil.GetNameOverride(element, origInstanceName);
                        string instanceDescription         = NamingUtil.GetDescriptionOverride(element, null);
                        string instanceObjectType          = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
                        string instanceElemId              = NamingUtil.CreateIFCElementId(element);
                        Toolkit.IFCFootingType footingType = GetIFCFootingType(element, ifcEnumType);

                        IFCAnyHandle footing = IFCInstanceExporter.CreateFooting(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
                                                                                 instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(), prodRep, instanceElemId, footingType);

                        if (exportParts)
                        {
                            PartExporter.ExportHostPart(exporterIFC, element, footing, productWrapper, setter, setter.GetPlacement(), null);
                        }

                        productWrapper.AddElement(footing, setter, ecData, LevelUtil.AssociateElementToLevel(element));

                        OpeningUtil.CreateOpeningsIfNecessary(footing, element, ecData, exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);

                        PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);
                    }
                }

                tr.Commit();
            }
        }
示例#38
0
        /// <summary>
        /// Exports an element to IFC footing.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="element">
        /// The element.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="ifcEnumType">
        /// The string value represents the IFC type.
        /// </param>
        /// <param name="productWrapper">
        /// The IFCProductWrapper.
        /// </param>
        public static void ExportFooting(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
           string ifcEnumType, IFCProductWrapper productWrapper)
        {
            // export parts or not
            bool exportParts = PartExporter.CanExportParts(element);
            if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.Level.Id, false))
                return;

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {                      
                        ecData.SetLocalPlacement(setter.GetPlacement());
                      
                        IFCAnyHandle prodRep = null;
                        if (!exportParts)
                        {
                            ElementId catId = CategoryUtil.GetSafeCategoryId(element);

                            BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                            prodRep = RepresentationUtil.CreateBRepProductDefinitionShape(element.Document.Application, exporterIFC,
                               element, catId, geometryElement, bodyExporterOptions, null, ecData);
                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
                            {
                                ecData.ClearOpenings();
                                return;
                            }
                        }

                        string instanceGUID = ExporterIFCUtils.CreateGUID(element);
                        string origInstanceName = exporterIFC.GetName();
                        string instanceName = NamingUtil.GetNameOverride(element, origInstanceName);
                        string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
                        string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
                        string instanceElemId = NamingUtil.CreateIFCElementId(element);
                        Toolkit.IFCFootingType footingType = GetIFCFootingType(element, ifcEnumType);

                        IFCAnyHandle footing = IFCInstanceExporter.CreateFooting(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
                            instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(), prodRep, instanceElemId, footingType);

                        if (exportParts)
                        {
                            PartExporter.ExportHostPart(exporterIFC, element, footing, productWrapper, setter, setter.GetPlacement(), null);
                        }

                        productWrapper.AddElement(footing, setter, ecData, LevelUtil.AssociateElementToLevel(element));

                        OpeningUtil.CreateOpeningsIfNecessary(footing, element, ecData, exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);

                        PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);
                    }
                }

                tr.Commit();
            }
        }
        /// <summary>
        /// Exports a roof to IfcRoof.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="ifcEnumType">The roof type.</param>
        /// <param name="roof">The roof element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        public static void ExportRoof(ExporterIFC exporterIFC, string ifcEnumType, Element roof, GeometryElement geometryElement,
            ProductWrapper productWrapper)
        {
            if (roof == null || geometryElement == null)
                return;

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, roof, null, null, ExporterUtil.GetBaseLevelIdForElement(roof)))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;
                        ecData.AreInnerRegionsOpenings = true;
                        ecData.SetLocalPlacement(placementSetter.GetPlacement());

                        ElementId categoryId = CategoryUtil.GetSafeCategoryId(roof);

                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                        BodyData bodyData;
                        IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, roof,
                            categoryId, geometryElement, bodyExporterOptions, null, ecData, out bodyData);

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
                        {
                            ecData.ClearOpenings();
                            return;
                        }

                        bool exportSlab = ecData.ScaledLength > MathUtil.Eps();

                        string guid = GUIDUtil.CreateGUID(roof);
                        IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
                        string roofName = NamingUtil.GetNameOverride(roof, NamingUtil.GetIFCName(roof));
                        string roofDescription = NamingUtil.GetDescriptionOverride(roof, null);
                        string roofObjectType = NamingUtil.GetObjectTypeOverride(roof, NamingUtil.CreateIFCObjectName(exporterIFC, roof));
                        IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
                        string elementTag = NamingUtil.GetTagOverride(roof, NamingUtil.CreateIFCElementId(roof));
                        IFCRoofType roofType = GetIFCRoofType(ifcEnumType);

                        IFCAnyHandle roofHnd = IFCInstanceExporter.CreateRoof(file, guid, ownerHistory, roofName, roofDescription,
                            roofObjectType, localPlacement, exportSlab ? null : representation, elementTag, roofType);

                        productWrapper.AddElement(roof, roofHnd, placementSetter.GetLevelInfo(), ecData, true);

                        // will export its host object materials later if it is a roof
                        if (!(roof is RoofBase))
                            CategoryUtil.CreateMaterialAssociations(exporterIFC, roofHnd, bodyData.MaterialIds);

                        if (exportSlab)
                        {
                            string slabGUID = GUIDUtil.CreateSubElementGUID(roof, (int)IFCRoofSubElements.RoofSlabStart);
                            string slabName = roofName + ":1";
                            IFCAnyHandle slabLocalPlacementHnd = ExporterUtil.CopyLocalPlacement(file, localPlacement);

                            IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, slabGUID, ownerHistory, slabName,
                               roofDescription, roofObjectType, slabLocalPlacementHnd, representation, elementTag, IFCSlabType.Roof);

                            Transform offsetTransform = (bodyData != null) ? bodyData.OffsetTransform : Transform.Identity;
                            OpeningUtil.CreateOpeningsIfNecessary(slabHnd, roof, ecData, offsetTransform,
                                exporterIFC, slabLocalPlacementHnd, placementSetter, productWrapper);

                            ExporterUtil.RelateObject(exporterIFC, roofHnd, slabHnd);

                            productWrapper.AddElement(null, slabHnd, placementSetter.GetLevelInfo(), ecData, false);
                            CategoryUtil.CreateMaterialAssociations(exporterIFC, slabHnd, bodyData.MaterialIds);
                        }
                    }
                    tr.Commit();
                }
            }
        }
        /// <summary>
        /// Exports an element as IFC railing.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="element">
        /// The element to be exported.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="productWrapper">
        /// The ProductWrapper.
        /// </param>
        public static void ExportRailing(ExporterIFC exporterIFC, Element element, GeometryElement geomElem, string ifcEnumType, ProductWrapper productWrapper)
        {
            ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType;
            IFCFile file = exporterIFC.GetFile();
            Options geomOptions = GeometryUtil.GetIFCExportGeometryOptions();

            using (IFCTransaction transaction = new IFCTransaction(file))
            {
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        IFCAnyHandle localPlacement = setter.GetPlacement();
                        StairRampContainerInfo stairRampInfo = null;
                        ElementId hostId = GetStairOrRampHostId(exporterIFC, element as Railing);
                        if (hostId != ElementId.InvalidElementId)
                        {
                            stairRampInfo = ExporterCacheManager.StairRampContainerInfoCache.GetStairRampContainerInfo(hostId);
                            IFCAnyHandle stairRampLocalPlacement = stairRampInfo.LocalPlacements[0];
                            Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(stairRampLocalPlacement, localPlacement);
                            Transform inverseTrf = relTrf.Inverse;

                            IFCAnyHandle relativePlacement = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
                            IFCAnyHandle railingLocalPlacement = ExporterUtil.CreateLocalPlacement(file, stairRampLocalPlacement, relativePlacement);
                            localPlacement = railingLocalPlacement;
                        }
                        ecData.SetLocalPlacement(localPlacement);

                        SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geomElem);
                        IList<Solid> solids = solidMeshInfo.GetSolids();
                        IList<Mesh> meshes = solidMeshInfo.GetMeshes();

                        Railing railingElem = element as Railing;
                        IList<ElementId> subElementIds = CollectSubElements(railingElem);

                        foreach (ElementId subElementId in subElementIds)
                        {
                            Element subElement = railingElem.Document.GetElement(subElementId);
                            if (subElement != null)
                            {
                                GeometryElement subElementGeom = GeometryUtil.GetOneLevelGeometryElement(subElement.get_Geometry(geomOptions));

                                SolidMeshGeometryInfo subElementSolidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(subElementGeom);
                                IList<Solid> subElementSolids = subElementSolidMeshInfo.GetSolids();
                                IList<Mesh> subElementMeshes = subElementSolidMeshInfo.GetMeshes();
                                foreach (Solid subElementSolid in subElementSolids)
                                    solids.Add(subElementSolid);
                                foreach (Mesh subElementMesh in subElementMeshes)
                                    meshes.Add(subElementMesh);
                            }
                        }

                        ElementId catId = CategoryUtil.GetSafeCategoryId(element);
                        BodyData bodyData = null;
                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                        bodyExporterOptions.TessellationLevel = BodyExporter.GetTessellationLevel();
                        //bodyExporterOptions.UseGroupsIfPossible = true;
                        //bodyExporterOptions.UseMappedGeometriesIfPossible = true;

                        if (solids.Count > 0 || meshes.Count > 0)
                        {
                            bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId, solids, meshes, bodyExporterOptions, ecData);
                        }
                        else
                        {
                            IList<GeometryObject> geomlist = new List<GeometryObject>();
                            geomlist.Add(geomElem);
                            bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId, geomlist, bodyExporterOptions, ecData);
                        }

                        IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
                        {
                            if (ecData != null)
                                ecData.ClearOpenings();
                            return;
                        }

                        IList<IFCAnyHandle> representations = new List<IFCAnyHandle>();
                        representations.Add(bodyRep);

                        IList<GeometryObject> geomObjects = new List<GeometryObject>();
                        foreach (Solid solid in solids)
                            geomObjects.Add(solid);
                        foreach (Mesh mesh in meshes)
                            geomObjects.Add(mesh);

                        Transform boundingBoxTrf = (bodyData.OffsetTransform != null) ? bodyData.OffsetTransform.Inverse : Transform.Identity;
                        IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomObjects, boundingBoxTrf);
                        if (boundingBoxRep != null)
                            representations.Add(boundingBoxRep);

                        IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);

                        IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();

                        string instanceGUID = GUIDUtil.CreateGUID(element);
                        string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                        string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
                        string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
                        string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
                        Toolkit.IFCRailingType railingType = GetIFCRailingType(element, ifcEnumType);

                        IFCAnyHandle railing = IFCInstanceExporter.CreateRailing(file, instanceGUID, ownerHistory,
                            instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(),
                            prodRep, instanceTag, railingType);

                        bool associateToLevel = (hostId == ElementId.InvalidElementId);

                        productWrapper.AddElement(element, railing, setter, ecData, associateToLevel);
                        OpeningUtil.CreateOpeningsIfNecessary(railing, element, ecData, bodyData.OffsetTransform,
                            exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);

                        CategoryUtil.CreateMaterialAssociations(exporterIFC, railing, bodyData.MaterialIds);

                        // Create multi-story duplicates of this railing.
                        if (stairRampInfo != null)
                        {
                            stairRampInfo.AddComponent(0, railing);

                            List<IFCAnyHandle> stairHandles = stairRampInfo.StairOrRampHandles;
                            for (int ii = 1; ii < stairHandles.Count; ii++)
                            {
                                IFCAnyHandle railingLocalPlacement = stairRampInfo.LocalPlacements[ii];
                                if (!IFCAnyHandleUtil.IsNullOrHasNoValue(railingLocalPlacement))
                                {
                                    IFCAnyHandle railingHndCopy = CopyRailingHandle(exporterIFC, element, catId, railingLocalPlacement, railing);
                                    stairRampInfo.AddComponent(ii, railingHndCopy);
                                    productWrapper.AddElement(element, railingHndCopy, (IFCLevelInfo)null, ecData, false);
                                    CategoryUtil.CreateMaterialAssociations(exporterIFC, railingHndCopy, bodyData.MaterialIds);
                                }
                            }

                            ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(hostId, stairRampInfo);
                        }
                    }
                    transaction.Commit();
                }
            }
        }
        /// <summary>
        /// Creates a SweptSolid, Brep, or Surface product definition shape representation, depending on the geoemtry and export version.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="categoryId">The category id.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="bodyExporterOptions">The body exporter options.</param>
        /// <param name="extraReps">Extra representations (e.g. Axis, Boundary).  May be null.</param>
        /// <param name="extrusionCreationData">The extrusion creation data.</param>
        /// <param name="allowOffsetTransform">Allows local coordinate system to be placed close to geometry.</param>
        /// <returns>The handle.</returns>
        /// <remarks>allowOffsetTransform should only be set to true if no other associated geometry is going to be exported.  Otherwise,
        /// there could be an offset between this geometry and the other, non-transformed, geometry.</remarks>
        public static IFCAnyHandle CreateAppropriateProductDefinitionShape(ExporterIFC exporterIFC, Element element, ElementId categoryId,
            GeometryElement geometryElement, BodyExporterOptions bodyExporterOptions, IList<IFCAnyHandle> extraReps, 
            IFCExtrusionCreationData extrusionCreationData, bool allowOffsetTransform)
        {
            BodyData bodyData;
            BodyExporterOptions newBodyExporterOptions = new BodyExporterOptions(bodyExporterOptions);
            newBodyExporterOptions.AllowOffsetTransform = allowOffsetTransform;

            return CreateAppropriateProductDefinitionShape(exporterIFC, element, categoryId,
                geometryElement, newBodyExporterOptions, extraReps, extrusionCreationData, out bodyData);
        }
示例#42
0
        /// <summary>
        /// Main implementation to export walls.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="element">
        /// The element.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="origWrapper">
        /// The IFCProductWrapper.
        /// </param>
        /// <param name="overrideLevelId">
        /// The level id.
        /// </param>
        /// <param name="range">
        /// The range to be exported for the element.
        /// </param>
        /// <returns>
        /// The exported wall handle.
        /// </returns>
        public static IFCAnyHandle ExportWallBase(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
           IFCProductWrapper origWrapper, ElementId overrideLevelId, IFCRange range)
        {
            using (IFCProductWrapper localWrapper = IFCProductWrapper.Create(origWrapper))
            {
                ElementId catId = CategoryUtil.GetSafeCategoryId(element);

                Wall wallElement = element as Wall;
                FamilyInstance famInstWallElem = element as FamilyInstance;

                if (wallElement == null && famInstWallElem == null)
                    return null;

                if (wallElement != null && IsWallCompletelyClipped(wallElement, exporterIFC, range))
                    return null;

                // get global values.
                Document doc = element.Document;
                double scale = exporterIFC.LinearScale;

                IFCFile file = exporterIFC.GetFile();
                IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
                IFCAnyHandle contextOfItemsAxis = exporterIFC.Get3DContextHandle("Axis");
                IFCAnyHandle contextOfItemsBody = exporterIFC.Get3DContextHandle("Body");
              
                IFCRange zSpan = new IFCRange();
                double depth = 0.0;
                bool validRange = (range != null && !MathUtil.IsAlmostZero(range.Start - range.End));

                bool exportParts = PartExporter.CanExportParts(wallElement);
                if (exportParts && !PartExporter.CanExportElementInPartExport(wallElement, validRange? overrideLevelId : wallElement.Level.Id, validRange))
                    return null;

                // get bounding box height so that we can subtract out pieces properly.
                // only for Wall, not FamilyInstance.
                if (wallElement != null && geometryElement != null)
                {
                    BoundingBoxXYZ boundingBox = element.get_BoundingBox(null);
                    if (boundingBox == null)
                        return null;
                    zSpan = new IFCRange(boundingBox.Min.Z, boundingBox.Max.Z);

                    // if we have a top clipping plane, modify depth accordingly.
                    double bottomHeight = validRange ? Math.Max(zSpan.Start, range.Start) : zSpan.Start;
                    double topHeight = validRange ? Math.Min(zSpan.End, range.End) : zSpan.End;
                    depth = topHeight - bottomHeight;
                    if (MathUtil.IsAlmostZero(depth))
                        return null;
                    depth *= scale;
                }

                IFCAnyHandle axisRep = null;
                IFCAnyHandle bodyRep = null;

                bool exportingAxis = false;
                Curve curve = null;

                bool exportedAsWallWithAxis = false;
                bool exportedBodyDirectly = false;
                bool exportingInplaceOpenings = false;

                Curve centerCurve = GetWallAxis(wallElement);

                XYZ localXDir = new XYZ(1, 0, 0);
                XYZ localYDir = new XYZ(0, 1, 0);
                XYZ localZDir = new XYZ(0, 0, 1);
                XYZ localOrig = new XYZ(0, 0, 0);
                double eps = MathUtil.Eps();

                if (centerCurve != null)
                {
                    Curve baseCurve = GetWallAxisAtBaseHeight(wallElement);
                    curve = GetWallTrimmedCurve(wallElement, baseCurve);

                    IFCRange curveBounds;
                    XYZ oldOrig;
                    GeometryUtil.GetAxisAndRangeFromCurve(curve, out curveBounds, out localXDir, out oldOrig);

                    localOrig = oldOrig;
                    if (baseCurve != null)
                    {
                        if (!validRange || (MathUtil.IsAlmostEqual(range.Start, zSpan.Start)))
                        {
                            XYZ newOrig = baseCurve.Evaluate(curveBounds.Start, false);
                            if (!validRange && (zSpan.Start < newOrig[2] - eps))
                                localOrig = new XYZ(localOrig.X, localOrig.Y, zSpan.Start);
                            else
                                localOrig = new XYZ(localOrig.X, localOrig.Y, newOrig[2]);
                        }
                        else
                        {
                            localOrig = new XYZ(localOrig.X, localOrig.Y, range.Start);
                        }
                    }

                    double dist = localOrig[2] - oldOrig[2];
                    if (!MathUtil.IsAlmostZero(dist))
                    {
                        XYZ moveVec = new XYZ(0, 0, dist);
                        curve = GeometryUtil.MoveCurve(curve, moveVec);
                    }
                    localYDir = localZDir.CrossProduct(localXDir);

                    // ensure that X and Z axes are orthogonal.
                    double xzDot = localZDir.DotProduct(localXDir);
                    if (!MathUtil.IsAlmostZero(xzDot))
                        localXDir = localYDir.CrossProduct(localZDir);
                }

                Transform orientationTrf = Transform.Identity;
                orientationTrf.BasisX = localXDir;
                orientationTrf.BasisY = localYDir;
                orientationTrf.BasisZ = localZDir;
                orientationTrf.Origin = localOrig;

                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, orientationTrf, overrideLevelId))
                {
                    IFCAnyHandle localPlacement = setter.GetPlacement();

                    Plane plane = new Plane(localXDir, localYDir, localOrig);  // project curve to XY plane.
                    XYZ projDir = XYZ.BasisZ;

                    // two representations: axis, body.         
                    {
                        if ((centerCurve != null) && (GeometryUtil.CurveIsLineOrArc(centerCurve)))
                        {
                            exportingAxis = true;

                            string identifierOpt = "Axis";	// IFC2x2 convention
                            string representationTypeOpt = "Curve2D";  // IFC2x2 convention

                            IFCGeometryInfo info = IFCGeometryInfo.CreateCurveGeometryInfo(exporterIFC, plane, projDir, false);
                            ExporterIFCUtils.CollectGeometryInfo(exporterIFC, info, curve, XYZ.Zero, true);
                            IList<IFCAnyHandle> axisItems = info.GetCurves();

                            if (axisItems.Count == 0)
                            {
                                exportingAxis = false;
                            }
                            else
                            {
                                HashSet<IFCAnyHandle> axisItemSet = new HashSet<IFCAnyHandle>();
                                foreach (IFCAnyHandle axisItem in axisItems)
                                    axisItemSet.Add(axisItem);

                                axisRep = RepresentationUtil.CreateShapeRepresentation(exporterIFC, element, catId, contextOfItemsAxis,
                                   identifierOpt, representationTypeOpt, axisItemSet);
                            }
                        }
                    }

                    IList<IFCExtrusionData> cutPairOpenings = new List<IFCExtrusionData>();
                    Document document = element.Document;

                    if (wallElement != null && exportingAxis && curve != null)
                    {
                        SolidMeshGeometryInfo solidMeshInfo = 
                            (range == null) ? GeometryUtil.GetSolidMeshGeometry(geometryElement, Transform.Identity) :
                                GeometryUtil.GetClippedSolidMeshGeometry(geometryElement, range);
                                
                        IList<Solid> solids = solidMeshInfo.GetSolids();
                        IList<Mesh> meshes = solidMeshInfo.GetMeshes();
                        if (solids.Count == 0 && meshes.Count == 0)
                            return null;

                        bool useNewCode = false;
                        if (useNewCode && solids.Count == 1 && meshes.Count == 0)
                        {
                            bool completelyClipped;
                            bodyRep = ExtrusionExporter.CreateExtrusionWithClipping(exporterIFC, wallElement, catId, solids[0], 
                                plane, projDir, range, out completelyClipped);

                            if (completelyClipped)
                                return null;

                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
                            {
                                exportedAsWallWithAxis = true;
                                exportedBodyDirectly = true;
                            }
                            else
                            {
                                exportedAsWallWithAxis = false;
                                exportedBodyDirectly = false;
                            }
                        }
                            
                        if (!exportedAsWallWithAxis)
                        {
                            // Fallback - use native routines to try to export wall.
                            bool isCompletelyClipped;
                            bodyRep = FallbackTryToCreateAsExtrusion(exporterIFC, wallElement, solidMeshInfo,
                                catId, curve, plane, depth, zSpan, range, setter, 
                                out cutPairOpenings, out isCompletelyClipped);
                            if (isCompletelyClipped)
                                return null;
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
                                exportedAsWallWithAxis = true;
                        }
                    }
                
                    using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
                    {
                        ElementId matId = ElementId.InvalidElementId;

                        if (!exportedAsWallWithAxis)
                        {
                            SolidMeshGeometryInfo solidMeshCapsule = null;

                            if (wallElement != null)
                            {
                                if (validRange)
                                {
                                    solidMeshCapsule = GeometryUtil.GetClippedSolidMeshGeometry(geometryElement, range);
                                }
                                else
                                {
                                    solidMeshCapsule = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement);
                                }
                                if (solidMeshCapsule.SolidsCount() == 0 && solidMeshCapsule.MeshesCount() == 0)
                                {
                                    return null;
                                }
                            }
                            else
                            {
                                GeometryElement geomElemToUse = GetGeometryFromInplaceWall(famInstWallElem);
                                if (geomElemToUse != null)
                                {
                                    exportingInplaceOpenings = true;
                                }
                                else
                                {
                                    exportingInplaceOpenings = false;
                                    geomElemToUse = geometryElement;
                                }
                                Transform trf = Transform.Identity;
                                if (geomElemToUse != geometryElement)
                                    trf = famInstWallElem.GetTransform();
                                solidMeshCapsule = GeometryUtil.GetSolidMeshGeometry(geomElemToUse, trf);
                            }

                            IList<Solid> solids = solidMeshCapsule.GetSolids();
                            IList<Mesh> meshes = solidMeshCapsule.GetMeshes();

                            extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;   // only allow vertical extrusions!
                            extraParams.AreInnerRegionsOpenings = true;

                            BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                            if ((solids.Count > 0) || (meshes.Count > 0))
                            {
                                matId = BodyExporter.GetBestMaterialIdForGeometry(solids, meshes);
                                bodyRep = BodyExporter.ExportBody(element.Document.Application, exporterIFC, element, catId,
                                    solids, meshes, bodyExporterOptions, extraParams).RepresentationHnd;
                            }
                            else
                            {
                                IList<GeometryObject> geomElemList = new List<GeometryObject>();
                                geomElemList.Add(geometryElement);
                                BodyData bodyData = BodyExporter.ExportBody(element.Document.Application, exporterIFC, element, catId,
                                    geomElemList, bodyExporterOptions, extraParams);
                                bodyRep = bodyData.RepresentationHnd;
                            }

                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
                            {
                                extraParams.ClearOpenings();
                                return null;
                            }

                            // We will be able to export as a IfcWallStandardCase as long as we have an axis curve.
                            XYZ extrDirUsed = XYZ.Zero;
                            if (extraParams.HasExtrusionDirection)
                            {
                                extrDirUsed = extraParams.ExtrusionDirection;
                                if (MathUtil.IsAlmostEqual(Math.Abs(extrDirUsed[2]), 1.0))
                                {
                                    if ((solids.Count == 1) && (meshes.Count == 0))
                                        exportedAsWallWithAxis = exportingAxis;
                                    exportedBodyDirectly = true;
                                }
                            }
                        }

                        IFCAnyHandle prodRep = null;
                        IList<IFCAnyHandle> representations = new List<IFCAnyHandle>();
                        if (exportingAxis)
                            representations.Add(axisRep);

                        representations.Add(bodyRep);
                        prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);

                        string objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element);
                        IFCAnyHandle wallHnd = null;

                        string elemGUID = (validRange) ? ExporterIFCUtils.CreateGUID() : ExporterIFCUtils.CreateGUID(element);
                        string elemName = NamingUtil.GetNameOverride(element, exporterIFC.GetName());
                        string elemDesc = NamingUtil.GetDescriptionOverride(element, null);
                        string elemObjectType = NamingUtil.GetObjectTypeOverride(element, objectType);
                        string elemId = NamingUtil.CreateIFCElementId(element);

                        if (exportedAsWallWithAxis)
                        {
                            wallHnd = IFCInstanceExporter.CreateWallStandardCase(file, elemGUID, ownerHistory, elemName, elemDesc, elemObjectType,
                                localPlacement, exportParts ? null : prodRep, elemId);

                            if (exportParts)
                                PartExporter.ExportHostPart(exporterIFC, wallElement, wallHnd, localWrapper, setter, localPlacement, overrideLevelId);

                            localWrapper.AddElement(wallHnd, setter, extraParams, true);

                            OpeningUtil.CreateOpeningsIfNecessary(wallHnd, element, cutPairOpenings, exporterIFC, localPlacement, setter, localWrapper);
                            if (exportedBodyDirectly)
                            {
                                OpeningUtil.CreateOpeningsIfNecessary(wallHnd, element, extraParams, exporterIFC, localPlacement, setter, localWrapper);
                            }
                            else
                            {
                                double scaledWidth = wallElement.Width * scale;
                                ExporterIFCUtils.AddOpeningsToElement(exporterIFC, wallHnd, wallElement, scaledWidth, range, setter, localPlacement, localWrapper);
                            }

                            // export Base Quantities
                            if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities)
                            {
                                CreateWallBaseQuantities(exporterIFC, wallElement, wallHnd, depth);
                            }
                        }
                        else
                        {
                            wallHnd = IFCInstanceExporter.CreateWall(file, elemGUID, ownerHistory, elemName, elemDesc, elemObjectType,
                                localPlacement, exportParts ? null : prodRep, elemId);

                            if (exportParts)
                                PartExporter.ExportHostPart(exporterIFC, wallElement, wallHnd, localWrapper, setter, localPlacement, overrideLevelId);

                            localWrapper.AddElement(wallHnd, setter, extraParams, true);

                            // Only export one material for 2x2; for future versions, export the whole list.
                            if (exporterIFC.ExportAs2x2 && (matId != ElementId.InvalidElementId) && !exportParts)
                            {
                                CategoryUtil.CreateMaterialAssociation(doc, exporterIFC, wallHnd, matId);
                            }

                            if (exportingInplaceOpenings)
                            {
                                ExporterIFCUtils.AddOpeningsToElement(exporterIFC, wallHnd, famInstWallElem, 0.0, range, setter, localPlacement, localWrapper);
                            }

                            if (exportedBodyDirectly)
                                OpeningUtil.CreateOpeningsIfNecessary(wallHnd, element, extraParams, exporterIFC, localPlacement, setter, localWrapper);
                        }

                        PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, localWrapper);

                        ElementId wallLevelId = (validRange) ? setter.LevelId : ElementId.InvalidElementId;

                        if (wallElement != null && !exportParts)
                        {
                            if (!exporterIFC.ExportAs2x2 || exportedAsWallWithAxis) //will move this check into ExportHostObject
                                HostObjectExporter.ExportHostObjectMaterials(exporterIFC, wallElement, localWrapper.GetAnElement(),
                                    geometryElement, localWrapper, wallLevelId, Toolkit.IFCLayerSetDirection.Axis2);
                        }

                        exporterIFC.RegisterSpaceBoundingElementHandle(wallHnd, element.Id, wallLevelId);
                        return wallHnd;
                    }
                }
            }
        }
        /// <summary>
        /// Creates a SweptSolid, Brep, SolidModel or SurfaceModel product definition shape representation, based on the geometry and IFC version.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="categoryId">The category id.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="bodyExporterOptions">The body exporter options.</param>
        /// <param name="extraReps">Extra representations (e.g. Axis, Boundary).  May be null.</param>
        /// <param name="extrusionCreationData">The extrusion creation data.</param>
        /// <param name="bodyData">The body data.</param>
        /// <returns>The handle.</returns>
        public static IFCAnyHandle CreateAppropriateProductDefinitionShape(ExporterIFC exporterIFC, Element element, ElementId categoryId,
            GeometryElement geometryElement, BodyExporterOptions bodyExporterOptions, IList<IFCAnyHandle> extraReps, 
            IFCExtrusionCreationData extrusionCreationData, out BodyData bodyData)
        {
            bodyData = null;
            SolidMeshGeometryInfo info = null;
            IList<GeometryObject> geometryList = new List<GeometryObject>();

            if (!exporterIFC.ExportAs2x2)
            {
                info = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement, Transform.Identity);
                IList<Mesh> meshes = info.GetMeshes();
                if (meshes.Count == 0)
                {
                    IList<Solid> solidList = info.GetSolids();
                    foreach (Solid solid in solidList)
                    {
                        geometryList.Add(solid);
                    }
                }
            }

            if (geometryList.Count == 0)
                geometryList.Add(geometryElement);
            else
                bodyExporterOptions.TryToExportAsExtrusion = true;
           
            bodyData = BodyExporter.ExportBody(exporterIFC, element, categoryId, ElementId.InvalidElementId, geometryList,
                bodyExporterOptions, extrusionCreationData);
            IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
            List<IFCAnyHandle> bodyReps = new List<IFCAnyHandle>();
            if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
            {
                if (extrusionCreationData != null)
                    extrusionCreationData.ClearOpenings();
            }
            else
                bodyReps.Add(bodyRep);

            if (extraReps != null)
            {
                foreach (IFCAnyHandle hnd in extraReps)
                    bodyReps.Add(hnd);
            }

            IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, Transform.Identity);
            if (boundingBoxRep != null)
                bodyReps.Add(boundingBoxRep);

            if (bodyReps.Count == 0)
                return null;
            return IFCInstanceExporter.CreateProductDefinitionShape(exporterIFC.GetFile(), null, null, bodyReps);
        }
        /// <summary>
        /// Exports a family instance as a mapped item.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="familyInstance">
        /// The family instance to be exported.
        /// </param>
        /// <param name="exportType">
        /// The export type.
        /// </param>
        /// <param name="ifcEnumType">
        /// The string value represents the IFC type.
        /// </param>
        /// <param name="wrapper">
        /// The ProductWrapper.
        /// </param>
        /// <param name="overrideLevelId">
        /// The level id.
        /// </param>
        /// <param name="range">
        /// The range of this family instance to be exported.
        /// </param>
        public static void ExportFamilyInstanceAsMappedItem(ExporterIFC exporterIFC,
            FamilyInstance familyInstance, IFCExportType exportType, string ifcEnumType,
            ProductWrapper wrapper, ElementId overrideLevelId, IFCRange range, IFCAnyHandle parentLocalPlacement)
        {
            bool exportParts = PartExporter.CanExportParts(familyInstance);
            bool isSplit = range != null;
            if (exportParts && !PartExporter.CanExportElementInPartExport(familyInstance, isSplit ? overrideLevelId : familyInstance.Level.Id, isSplit))
                return;

            Document doc = familyInstance.Document;
            IFCFile file = exporterIFC.GetFile();

            FamilySymbol familySymbol = ExporterIFCUtils.GetOriginalSymbol(familyInstance);
            if (familySymbol == null)
                return;

            ProductWrapper familyProductWrapper = ProductWrapper.Create(wrapper);
            double scale = exporterIFC.LinearScale;
            Options options = GeometryUtil.GetIFCExportGeometryOptions();

            IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();

            HostObject hostElement = familyInstance.Host as HostObject; //hostElement could be null
            ElementId categoryId = CategoryUtil.GetSafeCategoryId(familySymbol);

            //string emptyString = "";
            string familyName = familySymbol.Name;
            string objectType = familyName;

            // A Family Instance can have its own copy of geometry, or use the symbol's copy with a transform.
            // The routine below tells us whether to use the Instance's copy or the Symbol's copy.
            bool useInstanceGeometry = ExporterIFCUtils.UsesInstanceGeometry(familyInstance);

            IList<IFCExtrusionData> cutPairOpeningsForColumns = new List<IFCExtrusionData>();
            using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
            {
                Transform trf = familyInstance.GetTransform();

                // Extra information if we are exporting a door or a window.
                IFCDoorWindowInfo doorWindowInfo = null;
                if (exportType == IFCExportType.ExportDoorType)
                    doorWindowInfo = IFCDoorWindowInfo.CreateDoorInfo(exporterIFC, familyInstance, familySymbol, hostElement, overrideLevelId, trf);
                else if (exportType == IFCExportType.ExportWindowType)
                    doorWindowInfo = IFCDoorWindowInfo.CreateWindowInfo(exporterIFC, familyInstance, familySymbol, hostElement, overrideLevelId, trf);

                FamilyTypeInfo typeInfo = new FamilyTypeInfo();
                XYZ extraOffset = XYZ.Zero;

                bool flipped = doorWindowInfo != null ? doorWindowInfo.IsSymbolFlipped : false;
                FamilyTypeInfo currentTypeInfo = ExporterCacheManager.TypeObjectsCache.Find(familySymbol.Id, flipped);
                bool found = currentTypeInfo.IsValid();

                Family family = familySymbol.Family;

                // TODO: this code to be removed by ExtrusionAnalyzer code.
                bool trySpecialColumnCreation = ((exportType == IFCExportType.ExportColumnType) && (!family.IsInPlace));
                IList<GeometryObject> geomObjects = new List<GeometryObject>();
                Transform brepOffsetTransform = null;

                Transform doorWindowTrf = Transform.Identity;
                // We will create a new mapped type if:
                // 1.  We are exporting part of a column or in-place wall (range != null), OR
                // 2.  We are using the instance's copy of the geometry (that it, it has unique geometry), OR
                // 3.  We haven't already created the type.
                bool creatingType = ((range != null) || useInstanceGeometry || !found);
                if (creatingType)
                {
                    IFCAnyHandle bodyRepresentation = null;
                    IFCAnyHandle planRepresentation = null;

                    // If we are using the instance geometry, ignore the transformation.
                    if (useInstanceGeometry)
                        trf = Transform.Identity;

                    // TODO: this code to be removed by ExtrusionAnalyzer code.
                    if (trySpecialColumnCreation)
                    {
                        XYZ rangeOffset = trf.Origin;
                        IFCFamilyInstanceExtrusionExportResults results;

                        results = ExporterIFCUtils.ExportFamilyInstanceAsExtrusion(exporterIFC, familyInstance, useInstanceGeometry, range, overrideLevelId, extraParams);

                        bodyRepresentation = results.GetExtrusionHandle();
                        extraOffset = results.ExtraOffset;
                        cutPairOpeningsForColumns = results.GetCutPairOpenings();

                        if (!IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepresentation))
                        {
                            typeInfo.MaterialIds.Add(results.MaterialId);
                            // add in level for real columns, not in-place ones.
                            Element actualLevel =
                               (overrideLevelId == ElementId.InvalidElementId) ? familyInstance.Level : doc.GetElement(overrideLevelId);
                            if (actualLevel != null)
                            {
                                IFCLevelInfo levelInfo = exporterIFC.GetLevelInfo(actualLevel.Id);
                                double nonStoryLevelOffset = LevelUtil.GetNonStoryLevelOffsetIfAny(exporterIFC, actualLevel as Level);
                                if (range != null)
                                {
                                    rangeOffset = new XYZ(rangeOffset.X, rangeOffset.Y, levelInfo.Elevation + nonStoryLevelOffset);
                                }
                            }
                        }

                        rangeOffset += extraOffset;
                        trf.Origin = rangeOffset;
                    }

                    IFCAnyHandle dummyPlacement = null;
                    if (doorWindowInfo != null)
                    {
                        doorWindowTrf = ExporterIFCUtils.GetTransformForDoorOrWindow(familyInstance, familySymbol, doorWindowInfo);
                    }
                    else
                    {
                        dummyPlacement = IFCInstanceExporter.CreateLocalPlacement(file, null, ExporterUtil.CreateAxis2Placement3D(file));
                        extraParams.SetLocalPlacement(dummyPlacement);
                    }

                    bool needToCreate2d = ExporterCacheManager.ExportOptionsCache.ExportAnnotations;
                    bool needToCreate3d = IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepresentation);

                    if (needToCreate2d || needToCreate3d)
                    {
                        using (IFCTransformSetter trfSetter = IFCTransformSetter.Create())
                        {
                            if (doorWindowInfo != null)
                            {
                                trfSetter.Initialize(exporterIFC, doorWindowTrf);
                            }

                            GeometryElement exportGeometry =
                               useInstanceGeometry ? familyInstance.get_Geometry(options) : familySymbol.get_Geometry(options);
                            if (exportGeometry == null)
                                return;

                            if (needToCreate3d)
                            {
                                SolidMeshGeometryInfo solidMeshCapsule = null;

                                if (range == null)
                                {
                                    solidMeshCapsule = GeometryUtil.GetSolidMeshGeometry(exportGeometry, Transform.Identity);
                                }
                                else
                                {
                                    solidMeshCapsule = GeometryUtil.GetClippedSolidMeshGeometry(exportGeometry, range);
                                }

                                IList<Solid> solids = solidMeshCapsule.GetSolids();
                                IList<Mesh> polyMeshes = solidMeshCapsule.GetMeshes();

                                if (range != null && (solids.Count == 0 && polyMeshes.Count == 0))
                                    return; // no proper split geometry

                                geomObjects = FamilyExporterUtil.RemoveSolidsAndMeshesSetToDontExport(doc, exporterIFC, solids, polyMeshes);
                                if (geomObjects.Count == 0 && (solids.Count > 0 || polyMeshes.Count > 0))
                                    return;

                                bool tryToExportAsExtrusion = (!exporterIFC.ExportAs2x2 || (exportType == IFCExportType.ExportColumnType));

                                if (exportType == IFCExportType.ExportColumnType)
                                {
                                    extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;

                                    if (ExporterCacheManager.ExportOptionsCache.ExportAs2x3CoordinationView2 &&
                                        solids.Count > 0)
                                    {
                                        LocationPoint point = familyInstance.Location as LocationPoint;
                                        XYZ orig = XYZ.Zero;
                                        if (point != null)
                                            orig = point.Point;

                                        Plane plane = new Plane(XYZ.BasisX, XYZ.BasisY, orig);
                                        bool completelyClipped = false;
                                        HashSet<ElementId> materialIds = null;
                                        bodyRepresentation = ExtrusionExporter.CreateExtrusionWithClipping(exporterIFC, familyInstance,
                                            categoryId, solids, plane, XYZ.BasisZ, null, out completelyClipped, out materialIds);
                                        typeInfo.MaterialIds = materialIds;
                                    }
                                }
                                else
                                {
                                    extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryXYZ;
                                }

                                BodyData bodyData = null;
                                if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepresentation))
                                {
                                    BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(tryToExportAsExtrusion);
                                    if (geomObjects.Count > 0)
                                    {
                                        bodyData = BodyExporter.ExportBody(familyInstance.Document.Application, exporterIFC, familyInstance, categoryId, ElementId.InvalidElementId,
                                            geomObjects, bodyExporterOptions, extraParams);
                                        typeInfo.MaterialIds = bodyData.MaterialIds;
                                    }
                                    else
                                    {
                                        IList<GeometryObject> exportedGeometries = new List<GeometryObject>();
                                        exportedGeometries.Add(exportGeometry);
                                        bodyData = BodyExporter.ExportBody(familyInstance.Document.Application, exporterIFC, familyInstance, categoryId, ElementId.InvalidElementId,
                                            exportedGeometries, bodyExporterOptions, extraParams);
                                    }
                                    bodyRepresentation = bodyData.RepresentationHnd;
                                    brepOffsetTransform = bodyData.BrepOffsetTransform;
                                }

                                if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepresentation))
                                {
                                    extraParams.ClearOpenings();
                                    return;
                                }
                            }

                            // By default: if exporting IFC2x3 or later, export 2D plan rep of family, if it exists, unless we are exporting Coordination View V2.
                            // This default can be overridden in the export options.
                            if (needToCreate2d)
                            {
                                XYZ curveOffset = new XYZ(0, 0, 0);
                                if (brepOffsetTransform != null)
                                    curveOffset = -brepOffsetTransform.Origin / scale;

                                HashSet<IFCAnyHandle> curveSet = new HashSet<IFCAnyHandle>();
                                {
                                    Transform planeTrf = doorWindowTrf.Inverse;
                                    Plane plane = new Plane(planeTrf.get_Basis(0), planeTrf.get_Basis(1), planeTrf.Origin);
                                    XYZ projDir = new XYZ(0, 0, 1);

                                    IFCGeometryInfo IFCGeometryInfo = IFCGeometryInfo.CreateCurveGeometryInfo(exporterIFC, plane, projDir, true);
                                    ExporterIFCUtils.CollectGeometryInfo(exporterIFC, IFCGeometryInfo, exportGeometry, curveOffset, false);

                                    IList<IFCAnyHandle> curves = IFCGeometryInfo.GetCurves();
                                    foreach (IFCAnyHandle curve in curves)
                                        curveSet.Add(curve);

                                    if (curveSet.Count > 0)
                                    {
                                        IFCAnyHandle contextOfItems2d = exporterIFC.Get2DContextHandle();
                                        IFCAnyHandle curveRepresentationItem = IFCInstanceExporter.CreateGeometricSet(file, curveSet);
                                        HashSet<IFCAnyHandle> bodyItems = new HashSet<IFCAnyHandle>();
                                        bodyItems.Add(curveRepresentationItem);
                                        planRepresentation = RepresentationUtil.CreateGeometricSetRep(exporterIFC, familyInstance, categoryId, "Annotation",
                                           contextOfItems2d, bodyItems);
                                    }
                                }
                            }
                        }
                    }

                    if (doorWindowInfo != null)
                    {
                        typeInfo.StyleTransform = doorWindowTrf.Inverse;
                    }
                    else
                    {
                        if (!MathUtil.IsAlmostZero(extraOffset.DotProduct(extraOffset)))
                        {
                            Transform newTransform = typeInfo.StyleTransform;
                            XYZ newOrig = newTransform.Origin + extraOffset;
                            newTransform.Origin = newOrig;
                            typeInfo.StyleTransform = newTransform;
                        }
                        typeInfo.StyleTransform = ExporterIFCUtils.GetUnscaledTransform(exporterIFC, extraParams.GetLocalPlacement());
                    }

                    IFCAnyHandle origin = ExporterUtil.CreateAxis2Placement3D(file);
                    IFCAnyHandle repMap2dHnd = null;
                    IFCAnyHandle repMap3dHnd = IFCInstanceExporter.CreateRepresentationMap(file, origin, bodyRepresentation);

                    IList<IFCAnyHandle> repMapList = new List<IFCAnyHandle>();
                    repMapList.Add(repMap3dHnd);
                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(planRepresentation))
                    {
                        repMap2dHnd = IFCInstanceExporter.CreateRepresentationMap(file, origin, planRepresentation);
                        repMapList.Add(repMap2dHnd);
                    }

                    // for Door, Window
                    bool paramTakesPrecedence = false; // For Revit, this is currently always false.
                    bool sizeable = false;

                    // for many
                    HashSet<IFCAnyHandle> propertySets = new HashSet<IFCAnyHandle>();

                    string guid = GUIDUtil.CreateGUID(familySymbol);
                    string symId = NamingUtil.CreateIFCElementId(familySymbol);

                    // This covers many generic types.  If we can't find it in the list here, do custom exports.
                    IFCAnyHandle typeStyle = FamilyExporterUtil.ExportGenericType(file, exportType, ifcEnumType, guid,
                       ownerHistory, objectType, null, null, propertySets, repMapList, symId, objectType,
                       familyInstance, familySymbol);

                    // Cover special cases not covered above.
                    if (IFCAnyHandleUtil.IsNullOrHasNoValue(typeStyle))
                    {
                        switch (exportType)
                        {
                            case IFCExportType.ExportColumnType:
                                {
                                    // If we are using the instance GRep, then we have to create a generic GUID for the
                                    // column type, as they share the same ElementId.
                                    string colGUID = null;
                                    string colElemId = null;

                                    if (useInstanceGeometry)
                                        colGUID = GUIDUtil.CreateGUID();
                                    else
                                        colGUID = guid;
                                    colElemId = NamingUtil.CreateIFCElementId(familySymbol);

                                    string columnType = "Column";
                                    typeStyle = IFCInstanceExporter.CreateColumnType(file, colGUID, ownerHistory, objectType,
                                       null, null, propertySets, repMapList, colElemId,
                                       objectType, GetColumnType(familyInstance, columnType));

                                    break;
                                }
                            case IFCExportType.ExportDoorType:
                                {
                                    string constructionType = string.Empty;
                                    ParameterUtil.GetStringValueFromElementOrSymbol(familyInstance, "Construction", out constructionType);

                                    IFCAnyHandle doorLining = DoorWindowUtil.CreateDoorLiningProperties(exporterIFC, familyInstance);
                                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(doorLining))
                                        propertySets.Add(doorLining);

                                    IList<IFCAnyHandle> doorPanels = DoorWindowUtil.CreateDoorPanelProperties(exporterIFC, doorWindowInfo,
                                       familyInstance);
                                    propertySets.UnionWith(doorPanels);

                                    string doorStyleGUID = GUIDUtil.CreateGUID();
                                    string doorStyleElemId = NamingUtil.CreateIFCElementId(familySymbol);
                                    typeStyle = IFCInstanceExporter.CreateDoorStyle(file, doorStyleGUID, ownerHistory, objectType,
                                       null, null, propertySets, repMapList, doorStyleElemId,
                                       GetDoorStyleOperation(doorWindowInfo.DoorOperationType), GetDoorStyleConstruction(familyInstance, constructionType),
                                       paramTakesPrecedence, sizeable);
                                    break;
                                }
                            case IFCExportType.ExportSystemFurnitureElementType:
                                {
                                    string furnitureId = NamingUtil.CreateIFCElementId(familySymbol);
                                    typeStyle = IFCInstanceExporter.CreateSystemFurnitureElementType(file, guid, ownerHistory, objectType,
                                       null, null, propertySets, repMapList, furnitureId,
                                       objectType);
                                    break;
                                }
                            case IFCExportType.ExportWindowType:
                                {
                                    Toolkit.IFCWindowStyleOperation operationType = DoorWindowUtil.GetIFCWindowStyleOperation(familySymbol);
                                    IFCWindowStyleConstruction constructionType = DoorWindowUtil.GetIFCWindowStyleConstruction(familyInstance, "");

                                    IFCAnyHandle windowLining = DoorWindowUtil.CreateWindowLiningProperties(exporterIFC, familyInstance, null);
                                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(windowLining))
                                        propertySets.Add(windowLining);

                                    IList<IFCAnyHandle> windowPanels =
                                       DoorWindowUtil.CreateWindowPanelProperties(exporterIFC, familyInstance, null);
                                    propertySets.UnionWith(windowPanels);

                                    string windowStyleGUID = GUIDUtil.CreateGUID();
                                    string windowStyleElemId = NamingUtil.CreateIFCElementId(familySymbol);
                                    typeStyle = IFCInstanceExporter.CreateWindowStyle(file, windowStyleGUID, ownerHistory, objectType,
                                       null, null, propertySets, repMapList, windowStyleElemId,
                                       constructionType, operationType, paramTakesPrecedence, sizeable);
                                    break;
                                }
                            case IFCExportType.ExportBuildingElementProxy:
                            default:
                                {
                                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repMap2dHnd))
                                        typeInfo.Map2DHandle = repMap2dHnd;
                                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repMap3dHnd))
                                        typeInfo.Map3DHandle = repMap3dHnd;
                                    break;
                                }
                        }
                    }

                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeStyle))
                    {
                        CategoryUtil.CreateMaterialAssociations(doc, exporterIFC, typeStyle, typeInfo.MaterialIds);

                        typeInfo.Style = typeStyle;

                        if (((exportType == IFCExportType.ExportColumnType) && trySpecialColumnCreation) ||
                           (exportType == IFCExportType.ExportMemberType))
                        {
                            typeInfo.ScaledArea = extraParams.ScaledArea;
                            typeInfo.ScaledDepth = extraParams.ScaledLength;
                            typeInfo.ScaledInnerPerimeter = extraParams.ScaledInnerPerimeter;
                            typeInfo.ScaledOuterPerimeter = extraParams.ScaledOuterPerimeter;
                        }

                        ClassificationUtil.CreateUniformatClassification(exporterIFC, file, familySymbol, typeStyle);
                    }
                }
                else if (!creatingType && (trySpecialColumnCreation))
                {
                    // still need to modify instance trf for columns.
                    trf.Origin += GetLevelOffsetForExtrudedColumns(exporterIFC, familyInstance, overrideLevelId, extraParams);
                }

                if (found && !typeInfo.IsValid())
                {
                    typeInfo = currentTypeInfo;
                }

                // we'll pretend we succeeded, but we'll do nothing.
                if (!typeInfo.IsValid())
                    return;

                // add to the map, as long as we are not using range, not using instance geometry, and don't have extra openings.
                if ((range == null) && !useInstanceGeometry && (extraParams.GetOpenings().Count == 0))
                    ExporterCacheManager.TypeObjectsCache.Register(familySymbol.Id, flipped, typeInfo);

                Transform oldTrf = new Transform(trf);
                XYZ scaledMapOrigin = XYZ.Zero;

                trf = trf.Multiply(typeInfo.StyleTransform);

                // create instance.
                IList<IFCAnyHandle> shapeReps = new List<IFCAnyHandle>();
                {
                    IFCAnyHandle contextOfItems2d = exporterIFC.Get2DContextHandle();
                    IFCAnyHandle contextOfItems3d = exporterIFC.Get3DContextHandle("Body");

                    // for proxies, we store the IfcRepresentationMap directly since there is no style.
                    IFCAnyHandle style = typeInfo.Style;
                    IList<IFCAnyHandle> repMapList = !IFCAnyHandleUtil.IsNullOrHasNoValue(style) ?
                        GeometryUtil.GetRepresentationMaps(style) : null;
                    int numReps = repMapList != null ? repMapList.Count : 0;

                    IFCAnyHandle repMap2dHnd = typeInfo.Map2DHandle;
                    IFCAnyHandle repMap3dHnd = typeInfo.Map3DHandle;
                    if (IFCAnyHandleUtil.IsNullOrHasNoValue(repMap3dHnd) && (numReps > 0))
                        repMap3dHnd = repMapList[0];
                    if (IFCAnyHandleUtil.IsNullOrHasNoValue(repMap2dHnd) && (numReps > 1))
                        repMap2dHnd = repMapList[1];

                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repMap3dHnd))
                    {
                        IList<IFCAnyHandle> representations = new List<IFCAnyHandle>();
                        representations.Add(ExporterUtil.CreateDefaultMappedItem(file, repMap3dHnd, scaledMapOrigin));
                        IFCAnyHandle shapeRep = RepresentationUtil.CreateBodyMappedItemRep(exporterIFC, familyInstance, categoryId, contextOfItems3d,
                            representations);
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
                            return;
                        shapeReps.Add(shapeRep);
                    }

                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repMap2dHnd))
                    {
                        HashSet<IFCAnyHandle> representations = new HashSet<IFCAnyHandle>();
                        representations.Add(ExporterUtil.CreateDefaultMappedItem(file, repMap2dHnd, scaledMapOrigin));
                        IFCAnyHandle shapeRep = RepresentationUtil.CreatePlanMappedItemRep(exporterIFC, familyInstance, categoryId, contextOfItems2d,
                            representations);
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
                            return;
                        shapeReps.Add(shapeRep);
                    }
                }

                IFCAnyHandle boundingBoxRep = null;
                Transform boundingBoxTrf = (brepOffsetTransform != null) ? brepOffsetTransform.Inverse : Transform.Identity;
                if (geomObjects.Count > 0)
                    boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomObjects, boundingBoxTrf);
                else
                {
                    boundingBoxTrf = boundingBoxTrf.Multiply(trf.Inverse);
                    boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, familyInstance.get_Geometry(options), boundingBoxTrf);
                }

                if (boundingBoxRep != null)
                    shapeReps.Add(boundingBoxRep);

                IFCAnyHandle rep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);

                IFCAnyHandle instanceHandle = null;
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, familyInstance, trf, null, overrideLevelId))
                {
                    string instanceGUID = GUIDUtil.CreateGUID(familyInstance);
                    string instanceName = NamingUtil.GetIFCName(familyInstance);
                    string instanceDescription = NamingUtil.GetDescriptionOverride(familyInstance, null);
                    string instanceObjectType = NamingUtil.GetObjectTypeOverride(familyInstance, objectType);
                    string instanceElemId = NamingUtil.CreateIFCElementId(familyInstance);

                    IFCAnyHandle localPlacement = setter.GetPlacement();
                    IFCAnyHandle overrideLocalPlacement = null;

                    if (parentLocalPlacement != null)
                    {
                        Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(parentLocalPlacement, localPlacement);
                        Transform inverseTrf = relTrf.Inverse;

                        IFCAnyHandle relativePlacement = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
                        IFCAnyHandle plateLocalPlacement = IFCInstanceExporter.CreateLocalPlacement(file, parentLocalPlacement, relativePlacement);
                        overrideLocalPlacement = plateLocalPlacement;
                    }

                    instanceHandle = FamilyExporterUtil.ExportGenericInstance(exportType, exporterIFC, familyInstance,
                       wrapper, setter, extraParams, instanceGUID, ownerHistory, instanceName, instanceDescription, instanceObjectType,
                       exportParts ? null : rep, instanceElemId, overrideLocalPlacement);

                    if (exportParts)
                    {
                        PartExporter.ExportHostPart(exporterIFC, familyInstance, instanceHandle, familyProductWrapper, setter, setter.GetPlacement(), overrideLevelId);
                    }

                    if (ElementFilteringUtil.IsMEPType(exportType))
                        ExporterCacheManager.MEPCache.Register(familyInstance, instanceHandle);

                    switch (exportType)
                    {
                        case IFCExportType.ExportColumnType:
                            {
                                IFCAnyHandle placementToUse = localPlacement;
                                if (!useInstanceGeometry)
                                {
                                    bool needToCreateOpenings =
                                        (cutPairOpeningsForColumns.Count != 0) || OpeningUtil.NeedToCreateOpenings(instanceHandle, extraParams);
                                    if (needToCreateOpenings)
                                    {
                                        Transform openingTrf = new Transform(oldTrf);
                                        Transform extraRot = new Transform(oldTrf);
                                        extraRot.Origin = XYZ.Zero;
                                        openingTrf = openingTrf.Multiply(extraRot);
                                        openingTrf = openingTrf.Multiply(typeInfo.StyleTransform);

                                        IFCAnyHandle openingRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, openingTrf.Origin * scale,
                                           openingTrf.get_Basis(2), openingTrf.get_Basis(0));
                                        IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, localPlacement);
                                        GeometryUtil.SetRelativePlacement(openingPlacement, openingRelativePlacement);
                                        placementToUse = openingPlacement;
                                    }
                                }

                                OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, cutPairOpeningsForColumns,
                                   exporterIFC, placementToUse, setter, wrapper);
                                OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
                                   placementToUse, setter, wrapper);

                                //export Base Quantities.
                                PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, instanceHandle, familyInstance, typeInfo);

                                PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
                                break;
                            }
                        case IFCExportType.ExportDoorType:
                        case IFCExportType.ExportWindowType:
                            {
                                double doorHeight = doorWindowInfo.OpeningHeight;
                                if (doorHeight < MathUtil.Eps())
                                    doorHeight = GetMinSymbolHeight(familySymbol);
                                double doorWidth = doorWindowInfo.OpeningWidth;
                                if (doorWidth < MathUtil.Eps())
                                    doorWidth = GetMinSymbolWidth(familySymbol);

                                double height = doorHeight * scale;
                                double width = doorWidth * scale;

                                if (IFCAnyHandleUtil.IsNullOrHasNoValue(doorWindowInfo.GetLocalPlacement()))
                                    doorWindowInfo.SetLocalPlacement(localPlacement);

                                IFCAnyHandle doorWindowOrigLocalPlacement = doorWindowInfo.GetLocalPlacement();
                                Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(localPlacement, doorWindowOrigLocalPlacement);

                                IFCAnyHandle doorWindowRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, relTrf.Origin, relTrf.BasisZ, relTrf.BasisX);
                                IFCAnyHandle doorWindowLocalPlacement =
                                   IFCInstanceExporter.CreateLocalPlacement(file, doorWindowOrigLocalPlacement, doorWindowRelativePlacement);
                                if (exportType == IFCExportType.ExportDoorType)
                                    instanceHandle = IFCInstanceExporter.CreateDoor(file, instanceGUID, ownerHistory,
                                       instanceName, instanceDescription, instanceObjectType, doorWindowLocalPlacement,
                                       rep, instanceElemId, height, width);
                                else if (exportType == IFCExportType.ExportWindowType)
                                    instanceHandle = IFCInstanceExporter.CreateWindow(file, instanceGUID, ownerHistory,
                                       instanceName, instanceDescription, instanceObjectType, doorWindowLocalPlacement,
                                       rep, instanceElemId, height, width);
                                wrapper.AddElement(instanceHandle, setter, extraParams, true);

                                exporterIFC.RegisterSpaceBoundingElementHandle(instanceHandle, familyInstance.Id, setter.LevelId);

                                IFCAnyHandle placementToUse = doorWindowLocalPlacement;
                                if (!useInstanceGeometry)
                                {
                                    // correct the placement to the symbol space
                                    bool needToCreateOpenings = OpeningUtil.NeedToCreateOpenings(instanceHandle, extraParams);
                                    if (needToCreateOpenings)
                                    {
                                        Transform openingTrf = Transform.Identity;
                                        openingTrf.Origin = new XYZ(0, 0, setter.Offset);
                                        openingTrf = openingTrf.Multiply(doorWindowTrf);
                                        XYZ scaledOrigin = openingTrf.Origin * exporterIFC.LinearScale;
                                        IFCAnyHandle openingRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, scaledOrigin, openingTrf.BasisZ, openingTrf.BasisX);
                                        IFCAnyHandle openingLocalPlacement =
                                           IFCInstanceExporter.CreateLocalPlacement(file, doorWindowLocalPlacement, openingRelativePlacement);
                                        placementToUse = openingLocalPlacement;
                                    }
                                }
                                // only necessary when exporting as possible breps.
                                OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
                                   placementToUse, setter, wrapper);
                                if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities)
                                    ExporterIFCUtils.CreateDoorWindowBaseQuantities(exporterIFC, instanceHandle, (doorHeight * scale), (doorWidth * scale));

                                PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
                                break;
                            }
                        case IFCExportType.ExportMemberType:
                            {
                                OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
                                   localPlacement, setter, wrapper);

                                //export Base Quantities.
                                PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, instanceHandle, familyInstance, typeInfo);
                                // TODO: create PropertySet!
                                //createMemberPropertySet(exporter, pFamInst, pWrapper, extraParams);
                                PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
                                break;
                            }
                        case IFCExportType.ExportPlateType:
                            {
                                OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
                                   localPlacement, setter, wrapper);

                                // TODO: create PropertySet!
                                //createPlatePropertySet(exporter, pFamInst, pWrapper, extraParams);
                                PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
                                break;
                            }
                        case IFCExportType.ExportTransportElementType:
                            {
                                IFCAnyHandle localPlacementToUse;
                                ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);

                                instanceHandle = IFCInstanceExporter.CreateTransportElement(file, instanceGUID, ownerHistory,
                                   instanceName, instanceDescription, instanceObjectType,
                                   localPlacementToUse, rep, instanceElemId, null, null, null);

                                if (roomId == ElementId.InvalidElementId)
                                {
                                    wrapper.AddElement(instanceHandle, setter, extraParams, true);
                                }
                                else
                                {
                                    exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                                    wrapper.AddElement(instanceHandle, setter, extraParams, false);
                                }

                                PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
                                break;
                            }
                        case IFCExportType.ExportBuildingElementProxy:
                        default:
                            {
                                bool isBuildingElementProxy = (exportType == IFCExportType.ExportBuildingElementProxy);

                                IFCAnyHandle localPlacementToUse;
                                ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);

                                if (!isBuildingElementProxy)
                                {
                                    if (FamilyExporterUtil.IsDistributionControlElementSubType(exportType))
                                    {
                                        instanceHandle = IFCInstanceExporter.CreateDistributionControlElement(file, instanceGUID,
                                           ownerHistory, instanceName, instanceDescription, instanceObjectType,
                                           localPlacementToUse, rep, instanceElemId, null);

                                        if (roomId == ElementId.InvalidElementId)
                                        {
                                            wrapper.AddElement(instanceHandle, setter, extraParams, true);
                                        }
                                        else
                                        {
                                            exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                                            wrapper.AddElement(instanceHandle, setter, extraParams, false);
                                        }
                                    }
                                    else if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
                                    {
                                        isBuildingElementProxy = true;
                                    }
                                }

                                if (isBuildingElementProxy)
                                {
                                    Toolkit.IFCElementComposition proxyType = Toolkit.IFCElementComposition.Element;

                                    instanceHandle = IFCInstanceExporter.CreateBuildingElementProxy(file, instanceGUID,
                                       ownerHistory, instanceName, instanceDescription, instanceObjectType,
                                       localPlacementToUse, rep, instanceElemId, proxyType);

                                    if (roomId == ElementId.InvalidElementId)
                                    {
                                        wrapper.AddElement(instanceHandle, setter, extraParams, true);
                                    }
                                    else
                                    {
                                        exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                                        wrapper.AddElement(instanceHandle, setter, extraParams, false);
                                    }
                                }

                                IFCAnyHandle placementToUse = localPlacement;
                                if (!useInstanceGeometry)
                                {
                                    bool needToCreateOpenings = OpeningUtil.NeedToCreateOpenings(instanceHandle, extraParams);
                                    if (needToCreateOpenings)
                                    {
                                        Transform openingTrf = new Transform(oldTrf);
                                        Transform extraRot = new Transform(oldTrf);
                                        extraRot.Origin = XYZ.Zero;
                                        openingTrf = openingTrf.Multiply(extraRot);
                                        openingTrf = openingTrf.Multiply(typeInfo.StyleTransform);

                                        IFCAnyHandle openingRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, openingTrf.Origin * scale,
                                           openingTrf.get_Basis(2), openingTrf.get_Basis(0));
                                        IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, localPlacement);
                                        GeometryUtil.SetRelativePlacement(openingPlacement, openingRelativePlacement);
                                        placementToUse = openingPlacement;
                                    }
                                }

                                OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
                                   placementToUse, setter, wrapper);
                                PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
                                break;
                            }
                    }

                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
                    {
                        if (doorWindowInfo != null)
                        {
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(doorWindowInfo.GetOpening()))
                            {
                                string relGUID = GUIDUtil.CreateGUID();
                                IFCInstanceExporter.CreateRelFillsElement(file, relGUID, ownerHistory, null, null, doorWindowInfo.GetOpening(), instanceHandle);
                            }
                            else if (doorWindowInfo.NeedsOpening)
                            {
                                bool added = doorWindowInfo.SetDelayedFamilyInstance(instanceHandle, localPlacement, doorWindowInfo.AssignedLevelId);
                                if (added)
                                    exporterIFC.RegisterDoorWindowForOpeningUpdate(doorWindowInfo);
                                else
                                {
                                    // we need to fill a later opening.
                                    exporterIFC.RegisterDoorWindowForUncreatedOpening(familyInstance.Id, instanceHandle);
                                }
                            }
                        }

                        if (!exportParts)
                            CategoryUtil.CreateMaterialAssociations(doc, exporterIFC, instanceHandle, typeInfo.MaterialIds);

                        if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeInfo.Style))
                            ExporterCacheManager.TypeRelationsCache.Add(typeInfo.Style, instanceHandle);
                    }
                }
            }
        }
示例#45
0
        /// <summary>
        /// Export the individual part (IfcBuildingElementPart).
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="partElement">The part element to export.</param>
        /// <param name="geometryElement">The geometry of part.</param>
        /// <param name="productWrapper">The ProductWrapper object.</param>
        public static void ExportPart(ExporterIFC exporterIFC, Element partElement, ProductWrapper productWrapper,
                                      IFCPlacementSetter placementSetter, IFCAnyHandle originalPlacement, IFCRange range, IFCExtrusionAxes ifcExtrusionAxes,
                                      Element hostElement, ElementId overrideLevelId, bool asBuildingElement)
        {
            if (!ElementFilteringUtil.IsElementVisible(partElement))
            {
                return;
            }

            Part part = partElement as Part;

            if (part == null)
            {
                return;
            }

            IFCPlacementSetter standalonePlacementSetter = null;
            bool standaloneExport = hostElement == null && !asBuildingElement;

            ElementId partExportLevel = null;

            if (overrideLevelId != null)
            {
                partExportLevel = overrideLevelId;
            }
            else if (standaloneExport || asBuildingElement)
            {
                if (partElement.Level != null)
                {
                    partExportLevel = partElement.Level.Id;
                }
            }
            else
            {
                if (part.OriginalCategoryId != hostElement.Category.Id)
                {
                    return;
                }
                partExportLevel = hostElement.Level.Id;
            }

            if (ExporterCacheManager.PartExportedCache.HasExported(partElement.Id, partExportLevel))
            {
                return;
            }

            Options options   = GeometryUtil.GetIFCExportGeometryOptions();
            View    ownerView = partElement.Document.GetElement(partElement.OwnerViewId) as View;

            if (ownerView != null)
            {
                options.View = ownerView;
            }

            GeometryElement geometryElement = partElement.get_Geometry(options);

            if (geometryElement == null)
            {
                return;
            }

            try
            {
                IFCFile file = exporterIFC.GetFile();
                using (IFCTransaction transaction = new IFCTransaction(file))
                {
                    IFCAnyHandle partPlacement = null;
                    if (standaloneExport || asBuildingElement)
                    {
                        Transform orientationTrf = Transform.Identity;
                        standalonePlacementSetter = IFCPlacementSetter.Create(exporterIFC, partElement, null, orientationTrf, partExportLevel);
                        partPlacement             = standalonePlacementSetter.GetPlacement();
                    }
                    else
                    {
                        partPlacement = ExporterUtil.CreateLocalPlacement(file, originalPlacement, null);
                    }

                    bool validRange = (range != null && !MathUtil.IsAlmostZero(range.Start - range.End));

                    SolidMeshGeometryInfo solidMeshInfo;
                    if (validRange)
                    {
                        solidMeshInfo = GeometryUtil.GetSplitClippedSolidMeshGeometry(geometryElement, range);
                        if (solidMeshInfo.GetSolids().Count == 0 && solidMeshInfo.GetMeshes().Count == 0)
                        {
                            return;
                        }
                    }
                    else
                    {
                        solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement);
                    }

                    using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
                    {
                        extrusionCreationData.SetLocalPlacement(partPlacement);
                        extrusionCreationData.ReuseLocalPlacement   = false;
                        extrusionCreationData.PossibleExtrusionAxes = ifcExtrusionAxes;

                        IList <Solid> solids = solidMeshInfo.GetSolids();
                        IList <Mesh>  meshes = solidMeshInfo.GetMeshes();

                        ElementId catId = CategoryUtil.GetSafeCategoryId(partElement);

                        BodyData            bodyData            = null;
                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                        if (solids.Count > 0 || meshes.Count > 0)
                        {
                            bodyData = BodyExporter.ExportBody(exporterIFC, partElement, catId, ElementId.InvalidElementId, solids, meshes,
                                                               bodyExporterOptions, extrusionCreationData);
                        }
                        else
                        {
                            IList <GeometryObject> geomlist = new List <GeometryObject>();
                            geomlist.Add(geometryElement);
                            bodyData = BodyExporter.ExportBody(exporterIFC, partElement, catId, ElementId.InvalidElementId, geomlist,
                                                               bodyExporterOptions, extrusionCreationData);
                        }

                        IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
                        {
                            extrusionCreationData.ClearOpenings();
                            return;
                        }

                        IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
                        representations.Add(bodyRep);

                        IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, Transform.Identity);
                        if (boundingBoxRep != null)
                        {
                            representations.Add(boundingBoxRep);
                        }

                        IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);

                        IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();

                        string partGUID        = GUIDUtil.CreateGUID(partElement);
                        string partName        = NamingUtil.GetNameOverride(partElement, NamingUtil.GetIFCName(partElement));
                        string partDescription = NamingUtil.GetDescriptionOverride(partElement, null);
                        string partObjectType  = NamingUtil.GetObjectTypeOverride(partElement, NamingUtil.CreateIFCObjectName(exporterIFC, partElement));
                        string partTag         = NamingUtil.GetTagOverride(partElement, NamingUtil.CreateIFCElementId(partElement));

                        IFCAnyHandle ifcPart = null;
                        if (!asBuildingElement)
                        {
                            ifcPart = IFCInstanceExporter.CreateBuildingElementPart(file, partGUID, ownerHistory, partName, partDescription,
                                                                                    partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag);
                        }
                        else
                        {
                            string        ifcEnumType;
                            IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, hostElement, out ifcEnumType);
                            switch (exportType)
                            {
                            case IFCExportType.ExportColumnType:
                                ifcPart = IFCInstanceExporter.CreateColumn(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
                                                                           extrusionCreationData.GetLocalPlacement(), prodRep, partTag);
                                break;

                            case IFCExportType.ExportCovering:
                                IFCCoveringType coveringType = CeilingExporter.GetIFCCoveringType(hostElement, ifcEnumType);
                                ifcPart = IFCInstanceExporter.CreateCovering(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
                                                                             extrusionCreationData.GetLocalPlacement(), prodRep, partTag, coveringType);
                                break;

                            case IFCExportType.ExportFooting:
                                IFCFootingType footingType = FootingExporter.GetIFCFootingType(hostElement, ifcEnumType);
                                ifcPart = IFCInstanceExporter.CreateFooting(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
                                                                            extrusionCreationData.GetLocalPlacement(), prodRep, partTag, footingType);
                                break;

                            case IFCExportType.ExportRoof:
                                IFCRoofType roofType = RoofExporter.GetIFCRoofType(ifcEnumType);
                                ifcPart = IFCInstanceExporter.CreateRoof(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
                                                                         extrusionCreationData.GetLocalPlacement(), prodRep, partTag, roofType);
                                break;

                            case IFCExportType.ExportSlab:
                                IFCSlabType slabType = FloorExporter.GetIFCSlabType(ifcEnumType);
                                ifcPart = IFCInstanceExporter.CreateSlab(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
                                                                         extrusionCreationData.GetLocalPlacement(), prodRep, partTag, slabType);
                                break;

                            case IFCExportType.ExportWall:
                                ifcPart = IFCInstanceExporter.CreateWall(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
                                                                         extrusionCreationData.GetLocalPlacement(), prodRep, partTag);
                                break;

                            default:
                                ifcPart = IFCInstanceExporter.CreateBuildingElementProxy(file, partGUID, ownerHistory, partName, partDescription,
                                                                                         partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag, null);
                                break;
                            }
                        }

                        bool containedInLevel = (standaloneExport || asBuildingElement);
                        IFCPlacementSetter whichPlacementSetter = containedInLevel ? standalonePlacementSetter : placementSetter;
                        productWrapper.AddElement(partElement, ifcPart, whichPlacementSetter, extrusionCreationData, containedInLevel);

                        //Add the exported part to exported cache.
                        TraceExportedParts(partElement, partExportLevel, standaloneExport || asBuildingElement ? ElementId.InvalidElementId : hostElement.Id);

                        CategoryUtil.CreateMaterialAssociations(exporterIFC, ifcPart, bodyData.MaterialIds);

                        transaction.Commit();
                    }
                }
            }
            finally
            {
                if (standalonePlacementSetter != null)
                {
                    standalonePlacementSetter.Dispose();
                }
            }
        }