示例#1
0
        /// <summary>
        /// Export the roof to IfcRoof containing its parts.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The roof element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        public static void ExportRoofAsParts(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, ProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction transaction = new IFCTransaction(file))
            {
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
                {
                    IFCAnyHandle ownerHistory   = exporterIFC.GetOwnerHistoryHandle();
                    IFCAnyHandle localPlacement = setter.GetPlacement();

                    IFCAnyHandle prodRepHnd = null;

                    string elementGUID        = GUIDUtil.CreateGUID(element);
                    string elementName        = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                    string elementDescription = NamingUtil.GetDescriptionOverride(element, null);
                    string elementObjectType  = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
                    string elementTag         = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));

                    //need to convert the string to enum
                    string       ifcEnumType = ExporterUtil.GetIFCTypeFromExportTable(exporterIFC, element);
                    IFCAnyHandle roofHandle  = IFCInstanceExporter.CreateRoof(file, elementGUID, ownerHistory, elementName, elementDescription, elementObjectType, localPlacement, prodRepHnd, elementTag, GetIFCRoofType(ifcEnumType));

                    // Export the parts
                    PartExporter.ExportHostPart(exporterIFC, element, roofHandle, productWrapper, setter, localPlacement, null);

                    productWrapper.AddElement(element, roofHandle, setter, null, true);

                    transaction.Commit();
                }
            }
        }
示例#2
0
        /// <summary>
        /// Export the standalone parts:
        ///     - The parts made from originals in Links
        ///     - The Orphan parts: the linked file where the original host element comes from is unloaded.
        ///     - The Zombie parts: the original host element is deleted from the linked file.
        /// </summary>
        /// <remarks>
        /// This is a temporary workaround to export the parts made from linked elements. It should be refined when linked are supported (LinkedInstance at least.)
        /// There are some limitations:
        /// The linked element will not export as host, including the relative elements: e.g. windows, doors, openings.
        /// The host part cannot export if visibility is set by linked view and has 'Show Original'.
        /// The standalone part will skip export if Base Level is set 'Non Associated'.
        /// The linked part export cannot be split even if its category is wall or column and 'Split wall or column by story' is checked.
        /// </remarks>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="partElement">The standalone part to export.</param>
        /// <param name="geometryElement">The goemetry of the part.</param>
        /// <param name="productWrapper">The ProductWrapper object.</param>
        public static void ExportStandalonePart(ExporterIFC exporterIFC, Element partElement, GeometryElement geometryElement, ProductWrapper productWrapper)
        {
            Part part = partElement as Part;

            if (!ExporterCacheManager.ExportOptionsCache.ExportParts || part == null || geometryElement == null)
            {
                return;
            }

            foreach (LinkElementId linkElementId in part.GetSourceElementIds())
            {
                if (linkElementId.HostElementId != ElementId.InvalidElementId)
                {
                    // Has host element, so should export with host element.
                    return;
                }
                if (linkElementId.LinkedElementId != ElementId.InvalidElementId)
                {
                    if (part.Level == null || part.Level.Id == ElementId.InvalidElementId)
                    {
                        // skip the parts have NO Base Level.
                        continue;
                    }

                    IFCExtrusionAxes ifcExtrusionAxes = GetDefaultExtrusionAxesForPart(part);
                    PartExporter.ExportPart(exporterIFC, partElement, productWrapper, null, null, null, ifcExtrusionAxes, null, null, false);
                }
            }
        }
示例#3
0
        /// <summary>
        /// Exports a roof to IfcRoof.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="roof">The roof element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="productWrapper">The IFCProductWrapper.</param>
        public static void Export(ExporterIFC exporterIFC, RoofBase roof, GeometryElement geometryElement, IFCProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                // export parts or not
                bool exportParts = PartExporter.CanExportParts(roof);
                bool exportAsExtrusionCurtainRoof = false;
                bool exportAsFootprintCurtainRoof = false;
                if (roof is ExtrusionRoof)
                {
                    ExtrusionRoof extrusionRoof = roof as ExtrusionRoof;
                    exportAsExtrusionCurtainRoof = ((extrusionRoof.CurtainGrids != null) && (extrusionRoof.CurtainGrids.Size != 0));
                }
                else if (roof is FootPrintRoof)
                {
                    FootPrintRoof footprintRoof = roof as FootPrintRoof;
                    exportAsFootprintCurtainRoof = ((footprintRoof.CurtainGrids != null) && (footprintRoof.CurtainGrids.Size != 0));
                }

                if (exportParts)
                {
                    if (!PartExporter.CanExportElementInPartExport(roof, roof.Level.Id, false))
                    {
                        return;
                    }
                    ExportRoofAsParts(exporterIFC, roof, geometryElement, productWrapper); // Right now, only flat roof could have parts.
                }
                else if (exportAsExtrusionCurtainRoof)
                {
                    CurtainSystemExporter.ExportExtrusionRoof(exporterIFC, roof as ExtrusionRoof, productWrapper);
                }
                else if (exportAsFootprintCurtainRoof)
                {
                    CurtainSystemExporter.ExportFootPrintRoof(exporterIFC, roof as FootPrintRoof, productWrapper);
                }
                else
                {
                    string ifcEnumType = CategoryUtil.GetIFCEnumTypeName(exporterIFC, roof);

                    IFCAnyHandle roofHnd = ExporterIFCUtils.ExportRoofAsContainer(exporterIFC, ifcEnumType, roof,
                                                                                  geometryElement, productWrapper);
                    if (IFCAnyHandleUtil.IsNullOrHasNoValue(roofHnd))
                    {
                        ExportRoof(exporterIFC, ifcEnumType, roof, geometryElement, productWrapper);
                    }

                    PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, roof, productWrapper);

                    // call for host objects; curtain roofs excused from call (no material information)
                    HostObjectExporter.ExportHostObjectMaterials(exporterIFC, roof, productWrapper.GetAnElement(),
                                                                 geometryElement, productWrapper, ElementId.InvalidElementId, IFCLayerSetDirection.Axis3);
                }
                tr.Commit();
            }
        }
示例#4
0
        /// <summary>
        /// Export all the parts of the host element.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="hostElement">The host element having parts to export.</param>
        /// <param name="hostHandle">The host element handle.</param>
        /// <param name="originalWrapper">The ProductWrapper object.</param>
        public static void ExportHostPart(ExporterIFC exporterIFC, Element hostElement, IFCAnyHandle hostHandle,
                                          ProductWrapper originalWrapper, IFCPlacementSetter placementSetter, IFCAnyHandle originalPlacement, ElementId overrideLevelId)
        {
            using (ProductWrapper subWrapper = ProductWrapper.Create(exporterIFC, true))
            {
                List <ElementId> associatedPartsList = PartUtils.GetAssociatedParts(hostElement.Document, hostElement.Id, false, true).ToList();
                if (associatedPartsList.Count == 0)
                {
                    return;
                }

                bool isWallOrColumn   = IsHostWallOrColumn(exporterIFC, hostElement);
                bool hasOverrideLevel = overrideLevelId != null && overrideLevelId != ElementId.InvalidElementId;

                IFCExtrusionAxes ifcExtrusionAxes = GetDefaultExtrusionAxesForHost(exporterIFC, hostElement);

                // Split parts if wall or column is split by level, and then export; otherwise, export parts normally.
                if (isWallOrColumn && hasOverrideLevel && ExporterCacheManager.ExportOptionsCache.WallAndColumnSplitting)
                {
                    if (!ExporterCacheManager.HostPartsCache.HasRegistered(hostElement.Id))
                    {
                        SplitParts(exporterIFC, hostElement, associatedPartsList); // Split parts and associate them with host.
                    }
                    // Find and export the parts that are split by specific level.
                    List <KeyValuePair <Part, IFCRange> > splitPartRangeList = new List <KeyValuePair <Part, IFCRange> >();
                    splitPartRangeList = ExporterCacheManager.HostPartsCache.Find(hostElement.Id, overrideLevelId);

                    foreach (KeyValuePair <Part, IFCRange> partRange in splitPartRangeList)
                    {
                        PartExporter.ExportPart(exporterIFC, partRange.Key, subWrapper, placementSetter, originalPlacement, partRange.Value, ifcExtrusionAxes, hostElement, overrideLevelId, false);
                    }
                }
                else
                {
                    foreach (ElementId partId in associatedPartsList)
                    {
                        Part part = hostElement.Document.GetElement(partId) as Part;
                        PartExporter.ExportPart(exporterIFC, part, subWrapper, placementSetter, originalPlacement, null, ifcExtrusionAxes, hostElement, overrideLevelId, false);
                    }
                }

                // Create the relationship of Host and Parts.
                ICollection <IFCAnyHandle> relatedElementIds = subWrapper.GetAllObjects();
                if (relatedElementIds.Count > 0)
                {
                    string guid = GUIDUtil.CreateGUID();
                    HashSet <IFCAnyHandle> relatedElementIdSet = new HashSet <IFCAnyHandle>(relatedElementIds);
                    IFCInstanceExporter.CreateRelAggregates(exporterIFC.GetFile(), guid, exporterIFC.GetOwnerHistoryHandle(), null, null, hostHandle, relatedElementIdSet);
                }
            }
        }
示例#5
0
        /// <summary>
        /// Export the parts as independent building elements.
        /// </summary>
        /// <remarks>
        /// The function works with AlternateIFCUI and it requires two conditions:
        /// 1. Allows export parts: 'current view only' is checked and 'show parts' is selected.
        /// 2. Allows export parts independent: 'Export parts as building elements' is checked in alternate UI dialog.
        /// </remarks>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="partElement">The standalone part to export.</param>
        /// <param name="geometryElement">The goemetry of the part.</param>
        /// <param name="productWrapper">The ProductWrapper object.</param>
        public static void ExportPartAsBuildingElement(ExporterIFC exporterIFC, Element partElement, GeometryElement geometryElement, ProductWrapper productWrapper)
        {
            Part part = partElement as Part;

            if (!ExporterCacheManager.ExportOptionsCache.ExportParts || part == null || geometryElement == null)
            {
                return;
            }

            bool             isWall           = part.OriginalCategoryId == new ElementId(BuiltInCategory.OST_Walls);
            bool             isColumn         = part.OriginalCategoryId == new ElementId(BuiltInCategory.OST_Columns);
            bool             isWallOrColumn   = isWall || isColumn;
            IFCExtrusionAxes ifcExtrusionAxes = GetDefaultExtrusionAxesForPart(part);

            Element   hostElement     = null;
            ElementId overrideLevelId = null;

            // Find the host element of the part.
            hostElement = FindRootParent(part, part.OriginalCategoryId);

            // If part's level is not associated, try to get the host's level with the same category.
            if (hostElement != null && part.Level == null)
            {
                overrideLevelId = hostElement.Level.Id;
            }

            // Split parts with original category is wall or column and the option wall or column is split by level is checked, and then export;
            // otherwise, export separate parts normally.
            if (isWallOrColumn && ExporterCacheManager.ExportOptionsCache.WallAndColumnSplitting)
            {
                IList <ElementId> levels     = new List <ElementId>();
                IList <IFCRange>  ranges     = new List <IFCRange>();
                IFCExportType     exportType = isWall ? IFCExportType.ExportWall : IFCExportType.ExportColumnType;
                LevelUtil.CreateSplitLevelRangesForElement(exporterIFC, exportType, part, out levels, out ranges);
                if (ranges.Count == 0)
                {
                    PartExporter.ExportPart(exporterIFC, partElement, productWrapper, null, null, null, ifcExtrusionAxes, hostElement, overrideLevelId, true);
                }
                else
                {
                    for (int ii = 0; ii < ranges.Count; ii++)
                    {
                        PartExporter.ExportPart(exporterIFC, partElement, productWrapper, null, null, ranges[ii], ifcExtrusionAxes, hostElement, levels[ii], true);
                    }
                }
            }
            else
            {
                PartExporter.ExportPart(exporterIFC, partElement, productWrapper, null, null, null, ifcExtrusionAxes, hostElement, overrideLevelId, true);
            }
        }
示例#6
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="productWrapper">The ProductWrapper.</param>
        public static void Export(ExporterIFC exporterIFC, HostObject floor, GeometryElement geometryElement, ProductWrapper productWrapper)
        {
            string ifcEnumType = ExporterUtil.GetIFCTypeFromExportTable(exporterIFC, floor);

            // export parts or not
            bool exportParts = PartExporter.CanExportParts(floor);

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

            ExportFloor(exporterIFC, floor, geometryElement, ifcEnumType, productWrapper, exportParts);
        }
示例#7
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 IFCProductWrapper.
        /// </param>
        public static void ExportCovering(ExporterIFC exporterIFC, Element element, GeometryElement geomElem, string ifcEnumType, IFCProductWrapper 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))
                {
                    IFCAnyHandle prodRep = exportParts ? null : RepresentationUtil.CreateSurfaceProductDefinitionShape(exporterIFC,
                                                                                                                       element, geomElem, false, false);

                    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.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);
                    }
                    productWrapper.AddElement(covering, setter, null, LevelUtil.AssociateElementToLevel(element));

                    Ceiling ceiling = element as Ceiling;
                    if (ceiling != null && !exportParts)
                    {
                        HostObjectExporter.ExportHostObjectMaterials(exporterIFC, ceiling, covering,
                                                                     geomElem, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3);
                    }

                    ExporterIFCUtils.CreateCoveringPropertySet(exporterIFC, element, productWrapper);
                    PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);
                }
                transaction.Commit();
            }
        }
示例#8
0
        /// <summary>
        /// Export the roof to IfcRoof containing its parts.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The roof element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="productWrapper">The IFCProductWrapper.</param>
        public static void ExportRoofAsParts(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, IFCProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction transaction = new IFCTransaction(file))
            {
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
                {
                    IFCAnyHandle ownerHistory   = exporterIFC.GetOwnerHistoryHandle();
                    IFCAnyHandle localPlacement = setter.GetPlacement();

                    using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
                    {
                        extrusionCreationData.SetLocalPlacement(setter.GetPlacement());
                        extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryXY;

                        IFCAnyHandle prodRepHnd = null;

                        string elementGUID        = ExporterIFCUtils.CreateGUID(element);
                        string origElementName    = exporterIFC.GetName();
                        string elementName        = NamingUtil.GetNameOverride(element, origElementName);
                        string elementDescription = NamingUtil.GetDescriptionOverride(element, null);
                        string elementObjectType  = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
                        string elementId          = NamingUtil.CreateIFCElementId(element);

                        //need to convert the string to enum
                        string       ifcEnumType = CategoryUtil.GetIFCEnumTypeName(exporterIFC, element);
                        IFCAnyHandle roofHandle  = IFCInstanceExporter.CreateRoof(file, elementGUID, ownerHistory, elementName, elementDescription, elementObjectType, localPlacement, prodRepHnd, elementId, GetIFCRoofType(ifcEnumType));

                        // Export the parts
                        PartExporter.ExportHostPart(exporterIFC, element, roofHandle, productWrapper, setter, localPlacement, null);

                        productWrapper.AddElement(roofHandle, setter, extrusionCreationData, LevelUtil.AssociateElementToLevel(element));

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

                        PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);
                    }
                    transaction.Commit();
                }
            }
        }
示例#9
0
        /// <summary>
        /// Exports a roof to IfcRoof.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="roof">The roof element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        public static void Export(ExporterIFC exporterIFC, RoofBase roof, GeometryElement geometryElement, ProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                // export parts or not
                bool exportParts         = PartExporter.CanExportParts(roof);
                bool exportAsCurtainRoof = CurtainSystemExporter.IsCurtainSystem(roof);

                if (exportParts)
                {
                    if (!PartExporter.CanExportElementInPartExport(roof, roof.Level.Id, false))
                    {
                        return;
                    }
                    ExportRoofAsParts(exporterIFC, roof, geometryElement, productWrapper); // Right now, only flat roof could have parts.
                }
                else if (exportAsCurtainRoof)
                {
                    CurtainSystemExporter.ExportCurtainRoof(exporterIFC, roof, productWrapper);
                }
                else
                {
                    string ifcEnumType = ExporterUtil.GetIFCTypeFromExportTable(exporterIFC, roof);

                    IFCAnyHandle roofHnd = ExporterIFCUtils.ExportRoofAsContainer(exporterIFC, ifcEnumType, roof,
                                                                                  geometryElement, productWrapper.ToNative());
                    if (IFCAnyHandleUtil.IsNullOrHasNoValue(roofHnd))
                    {
                        ExportRoof(exporterIFC, ifcEnumType, roof, geometryElement, productWrapper);
                    }

                    // call for host objects; curtain roofs excused from call (no material information)
                    HostObjectExporter.ExportHostObjectMaterials(exporterIFC, roof, productWrapper.GetAnElement(),
                                                                 geometryElement, productWrapper, ElementId.InvalidElementId, IFCLayerSetDirection.Axis3, null);
                }
                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, 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;
            }
        }
示例#11
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#12
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#13
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#14
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();
            }
        }