Exemple #1
0
        private static void CreateRebarGroup(ExporterIFC exporterIFC, Element element,
                                             string guid, ProductWrapper productWrapper,
                                             ISet <IFCAnyHandle> createdRebarHandles)
        {
            Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcGroup;
            if (!ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
            {
                IFCFile file = exporterIFC.GetFile();
                using (IFCTransaction tr = new IFCTransaction(file))
                {
                    IFCAnyHandle ownerHistory    = ExporterCacheManager.OwnerHistoryHandle;
                    string       revitObjectType = NamingUtil.GetFamilyAndTypeName(element);
                    string       name            = NamingUtil.GetNameOverride(element, revitObjectType);
                    string       description     = NamingUtil.GetDescriptionOverride(element, null);
                    string       objectType      = NamingUtil.GetObjectTypeOverride(element, revitObjectType);

                    IFCAnyHandle rebarGroup = IFCInstanceExporter.CreateGroup(file, guid,
                                                                              ownerHistory, name, description, objectType);
                    IFCExportInfoPair exportInfo = new IFCExportInfoPair(elementClassTypeEnum);
                    productWrapper.AddElement(element, rebarGroup, exportInfo);

                    IFCInstanceExporter.CreateRelAssignsToGroup(file, GUIDUtil.CreateGUID(), ownerHistory,
                                                                null, null, createdRebarHandles, null, rebarGroup);
                    tr.Commit();
                }
            }
        }
Exemple #2
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 (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
                {
                    IFCAnyHandle ownerHistory   = ExporterCacheManager.OwnerHistoryHandle;
                    IFCAnyHandle localPlacement = setter.LocalPlacement;

                    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);
                    ifcEnumType = IFCValidateEntry.GetValidIFCType(element, ifcEnumType);

                    IFCAnyHandle roofHandle = IFCInstanceExporter.CreateRoof(file, elementGUID, ownerHistory, elementName, elementDescription,
                                                                             elementObjectType, localPlacement, prodRepHnd, elementTag, ifcEnumType);

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

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

                    transaction.Commit();
                }
            }
        }
Exemple #3
0
        /// <summary>
        /// Exports curtain wall types to IfcCurtainWallType.
        /// </summary>
        /// <param name="exporterIFC">The exporter.</param>
        /// <param name="wrapper">The ProductWrapper class.</param>
        /// <param name="elementHandle">The element handle.</param>
        /// <param name="element">The element.</param>
        public static void ExportCurtainWallType(ExporterIFC exporterIFC, ProductWrapper wrapper, IFCAnyHandle elementHandle, Element element)
        {
            if (elementHandle == null || element == null)
            {
                return;
            }

            Document  doc         = element.Document;
            ElementId typeElemId  = element.GetTypeId();
            Element   elementType = doc.GetElement(typeElemId);

            if (elementType == null)
            {
                return;
            }

            IFCAnyHandle wallType = ExporterCacheManager.ElementTypeToHandleCache.Find(typeElemId);

            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(wallType))
            {
                ExporterCacheManager.TypeRelationsCache.Add(wallType, elementHandle);
                return;
            }

            string elemName        = NamingUtil.GetNameOverride(elementType, NamingUtil.GetIFCName(elementType));
            string elemElementType = NamingUtil.GetOverrideStringValue(elementType, "IfcElementType", null);

            // Property sets will be set later.
            wallType = IFCInstanceExporter.CreateCurtainWallType(exporterIFC.GetFile(), elementType,
                                                                 null, null, elemElementType, (elemElementType != null) ? "USERDEFINED" : "NOTDEFINED");

            wrapper.RegisterHandleWithElementType(elementType as ElementType, wallType, null);

            ExporterCacheManager.TypeRelationsCache.Add(wallType, elementHandle);
        }
Exemple #4
0
        /// <summary>
        /// Exports an element as a zone.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        public static void ExportZone(ExporterIFC exporterIFC, Zone element,
                                      ProductWrapper productWrapper)
        {
            if (element == null)
            {
                return;
            }

            // Check the intended IFC entity or type name is in the exclude list specified in the UI
            Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcZone;
            if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
            {
                return;
            }

            HashSet <IFCAnyHandle> spaceHnds = new HashSet <IFCAnyHandle>();

            SpaceSet spaces = element.Spaces;

            foreach (Space space in spaces)
            {
                if (space == null)
                {
                    continue;
                }

                IFCAnyHandle spaceHnd = ExporterCacheManager.SpaceInfoCache.FindSpaceHandle(space.Id);
                if (!IFCAnyHandleUtil.IsNullOrHasNoValue(spaceHnd))
                {
                    spaceHnds.Add(spaceHnd);
                }
            }

            if (spaceHnds.Count == 0)
            {
                return;
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                string       guid         = GUIDUtil.CreateGUID(element);
                IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
                string       name         = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                string       description  = NamingUtil.GetDescriptionOverride(element, null);
                string       objectType   = NamingUtil.GetObjectTypeOverride(element, NamingUtil.GetFamilyAndTypeName(element));
                string       longName     = NamingUtil.GetLongNameOverride(element, null);

                IFCAnyHandle zoneHnd = IFCInstanceExporter.CreateZone(file, guid, ownerHistory, name, description, objectType, longName);

                productWrapper.AddElement(element, zoneHnd);

                string relAssignsGuid = GUIDUtil.CreateSubElementGUID(element, (int)IFCZoneSubElements.RelAssignsToGroup);
                IFCInstanceExporter.CreateRelAssignsToGroup(file, relAssignsGuid, ownerHistory, null, null, spaceHnds, null, zoneHnd);

                tr.Commit();
                return;
            }
        }
Exemple #5
0
        /// <summary>
        /// Exports a Rebar, AreaReinforcement or PathReinforcement to IFC ReinforcingBar.
        /// </summary>
        /// <param name="exporterIFC">The exporter.</param>
        /// <param name="element">The element.</param>
        /// <param name="productWrapper">The product wrapper.</param>
        public static void Export(ExporterIFC exporterIFC, Element element, ProductWrapper productWrapper)
        {
            ISet <IFCAnyHandle> createdRebars = null;

            if (element is Rebar)
            {
                ExportRebar(exporterIFC, element, productWrapper);
            }
            else if (element is AreaReinforcement)
            {
                AreaReinforcement areaReinforcement = element as AreaReinforcement;
                IList <ElementId> rebarIds          = areaReinforcement.GetRebarInSystemIds();

                Document doc = areaReinforcement.Document;
                foreach (ElementId id in rebarIds)
                {
                    Element rebarInSystem = doc.GetElement(id);
                    createdRebars = ExportRebar(exporterIFC, rebarInSystem, productWrapper);
                }
            }
            else if (element is PathReinforcement)
            {
                PathReinforcement pathReinforcement = element as PathReinforcement;
                IList <ElementId> rebarIds          = pathReinforcement.GetRebarInSystemIds();

                Document doc = pathReinforcement.Document;
                foreach (ElementId id in rebarIds)
                {
                    Element rebarInSystem = doc.GetElement(id);
                    createdRebars = ExportRebar(exporterIFC, rebarInSystem, productWrapper);
                }
            }

            if (createdRebars != null && createdRebars.Count > 1)
            {
                IFCFile file = exporterIFC.GetFile();
                using (IFCTransaction tr = new IFCTransaction(file))
                {
                    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 rebarGroup = IFCInstanceExporter.CreateGroup(file, guid,
                                                                              ownerHistory, name, description, objectType);

                    productWrapper.AddElement(element, rebarGroup);

                    IFCInstanceExporter.CreateRelAssignsToGroup(file, GUIDUtil.CreateGUID(), ownerHistory,
                                                                null, null, createdRebars, null, rebarGroup);

                    tr.Commit();
                }
            }
        }
        /// <summary>
        /// Exports an element as a group.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        public static void ExportAreaScheme(ExporterIFC exporterIFC, AreaScheme element,
                                            ProductWrapper productWrapper)
        {
            if (element == null)
            {
                return;
            }

            HashSet <IFCAnyHandle> areaHandles = null;

            if (!ExporterCacheManager.AreaSchemeCache.TryGetValue(element.Id, out areaHandles))
            {
                return;
            }

            if (areaHandles == null || areaHandles.Count == 0)
            {
                return;
            }

            // Check the intended IFC entity or type name is in the exclude list specified in the UI
            Common.Enums.IFCEntityType elementClassTypeEnum;
            if (Enum.TryParse <Common.Enums.IFCEntityType>("IfcGroup", out elementClassTypeEnum))
            {
                if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
                {
                    return;
                }
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                string       guid         = GUIDUtil.CreateGUID(element);
                IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
                string       name         = NamingUtil.GetNameOverride(element, element.Name);
                string       description  = NamingUtil.GetDescriptionOverride(element, null);
                string       objectType   = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());

                string elementTag = NamingUtil.CreateIFCElementId(element);

                IFCAnyHandle areaScheme = IFCInstanceExporter.CreateGroup(file, guid,
                                                                          ownerHistory, name, description, objectType);

                productWrapper.AddElement(element, areaScheme);

                IFCInstanceExporter.CreateRelAssignsToGroup(file, GUIDUtil.CreateGUID(), ownerHistory,
                                                            null, null, areaHandles, null, areaScheme);

                tr.Commit();
                return;
            }
        }
        /// <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 (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, element))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.SetLocalPlacement(placementSetter.LocalPlacement);

                        ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);

                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
                        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 ductLining = IFCInstanceExporter.CreateCovering(file, guid,
                                                                                     ownerHistory, name, description, objectType, localPlacement, representation, elementTag, "Wrapping");
                        ExporterCacheManager.ElementToHandleCache.Register(element.Id, ductLining);

                        productWrapper.AddElement(element, ductLining, placementSetter.LevelInfo, ecData, true);

                        ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, element);
                        CategoryUtil.CreateMaterialAssociation(exporterIFC, ductLining, matId);
                    }
                }
                tr.Commit();
                return(true);
            }
        }
Exemple #8
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 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 (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, element))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.SetLocalPlacement(placementSetter.LocalPlacement);

                        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.LevelInfo, ecData, true);
                    }
                    tr.Commit();
                }
            }

            return(buildingElementProxy);
        }
Exemple #9
0
        /// <summary>
        /// Exports an element as a zone.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        public static void ExportZone(ExporterIFC exporterIFC, Zone element,
                                      ProductWrapper productWrapper)
        {
            if (element == null)
            {
                return;
            }

            HashSet <IFCAnyHandle> spaceHnds = new HashSet <IFCAnyHandle>();

            SpaceSet spaces = element.Spaces;

            foreach (Space space in spaces)
            {
                if (space == null)
                {
                    continue;
                }

                IFCAnyHandle spaceHnd = ExporterCacheManager.SpaceInfoCache.FindSpaceHandle(space.Id);
                if (!IFCAnyHandleUtil.IsNullOrHasNoValue(spaceHnd))
                {
                    spaceHnds.Add(spaceHnd);
                }
            }

            if (spaceHnds.Count == 0)
            {
                return;
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                string       guid         = GUIDUtil.CreateGUID(element);
                IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
                string       name         = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                string       description  = NamingUtil.GetDescriptionOverride(element, null);
                string       objectType   = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());

                IFCAnyHandle zoneHnd = IFCInstanceExporter.CreateZone(file, guid, ownerHistory, name, description, objectType);

                productWrapper.AddElement(element, zoneHnd);

                string relAssignsGuid = GUIDUtil.CreateSubElementGUID(element, (int)IFCZoneSubElements.RelAssignsToGroup);
                IFCInstanceExporter.CreateRelAssignsToGroup(file, relAssignsGuid, ownerHistory, null, null, spaceHnds, null, zoneHnd);

                tr.Commit();
                return;
            }
        }
        /// <summary>
        /// Exports a FabricArea as an IfcGroup.  There is no geometry to export.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        /// <returns>True if exported successfully, false otherwise.</returns>
        public static bool ExportFabricArea(ExporterIFC exporterIFC, Element element, ProductWrapper productWrapper)
        {
            if (element == null)
            {
                return(false);
            }

            // Check the intended IFC entity or type name is in the exclude list specified in the UI
            Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcGroup;
            if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
            {
                return(false);
            }

            HashSet <IFCAnyHandle> fabricSheetHandles = null;

            if (!ExporterCacheManager.FabricAreaHandleCache.TryGetValue(element.Id, out fabricSheetHandles))
            {
                return(false);
            }

            if (fabricSheetHandles == null || fabricSheetHandles.Count == 0)
            {
                return(false);
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                string       guid            = GUIDUtil.CreateGUID(element);
                IFCAnyHandle ownerHistory    = ExporterCacheManager.OwnerHistoryHandle;
                string       revitObjectType = NamingUtil.GetFamilyAndTypeName(element);
                string       name            = NamingUtil.GetNameOverride(element, revitObjectType);
                string       description     = NamingUtil.GetDescriptionOverride(element, null);
                string       objectType      = NamingUtil.GetObjectTypeOverride(element, revitObjectType);

                IFCAnyHandle fabricArea = IFCInstanceExporter.CreateGroup(file, guid,
                                                                          ownerHistory, name, description, objectType);

                IFCExportInfoPair exportInfo = new IFCExportInfoPair(IFCEntityType.IfcGroup);
                productWrapper.AddElement(element, fabricArea, exportInfo);

                string groupGuid = GUIDUtil.GenerateIFCGuidFrom(IFCEntityType.IfcRelAssignsToGroup,
                                                                fabricArea);
                IFCInstanceExporter.CreateRelAssignsToGroup(file, groupGuid, ownerHistory,
                                                            null, null, fabricSheetHandles, null, fabricArea);

                tr.Commit();
                return(true);
            }
        }
Exemple #11
0
        /// <summary>
        /// Exports a Group as an IfcGroup.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        /// <returns>True if exported successfully, false otherwise.</returns>
        public static bool ExportGroupElement(ExporterIFC exporterIFC, Group element,
                                              ProductWrapper productWrapper)
        {
            if (element == null)
            {
                return(false);
            }

            // Check the intended IFC entity or type name is in the exclude list specified in the UI
            Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcGroup;
            if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
            {
                return(false);
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                IFCAnyHandle groupHnd = null;

                string       guid         = GUIDUtil.CreateGUID(element);
                IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
                string       name         = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                string       description  = NamingUtil.GetDescriptionOverride(element, null);
                string       objectType   = NamingUtil.GetObjectTypeOverride(element, NamingUtil.GetFamilyAndTypeName(element));
                string       longName     = NamingUtil.GetLongNameOverride(element, null);

                string            ifcEnumType;
                IFCExportInfoPair exportAs = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType);
                if (exportAs.ExportInstance == IFCEntityType.IfcGroup)
                {
                    groupHnd = IFCInstanceExporter.CreateGroup(file, guid, ownerHistory, name, description, objectType);
                }
                else if (!ExporterCacheManager.ExportOptionsCache.ExportAsOlderThanIFC4 && exportAs.ExportInstance == IFCEntityType.IfcBuildingSystem)
                {
                    groupHnd = IFCInstanceExporter.CreateBuildingSystem(file, exportAs, guid, ownerHistory, name, description, objectType, longName);
                }

                if (groupHnd == null)
                {
                    return(false);
                }

                productWrapper.AddElement(element, groupHnd, exportAs);

                ExporterCacheManager.GroupCache.RegisterGroup(element.Id, groupHnd);

                tr.Commit();
                return(true);
            }
        }
Exemple #12
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();
            }
        }
Exemple #13
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        /// <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);
                }
            }
        }
Exemple #14
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        /// <summary>
        /// Get the first override Grid name from a collection of grids.
        /// </summary>
        /// <param name="gridList">The collection of grids.</param>
        /// <returns>The NameOverride if any grid defines the parameter; else return null.</returns>
        private static string GetOverrideGridName(List <Grid> gridList)
        {
            if (gridList == null)
            {
                return(null);
            }

            foreach (Grid grid in gridList)
            {
                string gridName = NamingUtil.GetNameOverride(grid, null);
                if (gridName != null)
                {
                    return(gridName);
                }
            }
            return(null);
        }
        /// <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)
        {
            // Check the intended IFC entity or type name is in the exclude list specified in the UI
            Common.Enums.IFCEntityType elementClassTypeEnum;
            if (Enum.TryParse <Common.Enums.IFCEntityType>("IfcRoof", out elementClassTypeEnum))
            {
                if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
                {
                    return;
                }
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction transaction = new IFCTransaction(file))
            {
                using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
                {
                    IFCAnyHandle ownerHistory   = ExporterCacheManager.OwnerHistoryHandle;
                    IFCAnyHandle localPlacement = setter.LocalPlacement;

                    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);
                    ifcEnumType = IFCValidateEntry.GetValidIFCType(element, ifcEnumType);

                    IFCAnyHandle roofHandle = IFCInstanceExporter.CreateRoof(file, elementGUID, ownerHistory, elementName, elementDescription,
                                                                             elementObjectType, localPlacement, prodRepHnd, elementTag, ifcEnumType);

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

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

                    transaction.Commit();
                }
            }
        }
        /// <summary>
        /// Exports an element as a group.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        public static void ExportAreaScheme(ExporterIFC exporterIFC, AreaScheme element,
                                            ProductWrapper productWrapper)
        {
            if (element == null)
            {
                return;
            }

            HashSet <IFCAnyHandle> areaHandles = null;

            if (!ExporterCacheManager.AreaSchemeCache.TryGetValue(element.Id, out areaHandles))
            {
                return;
            }

            if (areaHandles == null || areaHandles.Count == 0)
            {
                return;
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                string       guid         = GUIDUtil.CreateGUID(element);
                IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
                string       name         = NamingUtil.GetNameOverride(element, element.Name);
                string       description  = NamingUtil.GetDescriptionOverride(element, null);
                string       objectType   = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());

                string elementTag = NamingUtil.CreateIFCElementId(element);

                IFCAnyHandle areaScheme = IFCInstanceExporter.CreateGroup(file, guid,
                                                                          ownerHistory, name, description, objectType);

                productWrapper.AddElement(element, areaScheme);

                IFCInstanceExporter.CreateRelAssignsToGroup(file, GUIDUtil.CreateGUID(), ownerHistory,
                                                            null, null, areaHandles, null, areaScheme);

                tr.Commit();
                return;
            }
        }
Exemple #17
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        /// <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();
                }
            }
        }
        /// <summary>
        /// Exports a FabricArea as an IfcGroup.  There is no geometry to export.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        /// <returns>True if exported successfully, false otherwise.</returns>
        public static bool ExportFabricArea(ExporterIFC exporterIFC, Element element, ProductWrapper productWrapper)
        {
            if (element == null)
            {
                return(false);
            }

            HashSet <IFCAnyHandle> fabricSheetHandles = null;

            if (!ExporterCacheManager.FabricAreaHandleCache.TryGetValue(element.Id, out fabricSheetHandles))
            {
                return(false);
            }

            if (fabricSheetHandles == null || fabricSheetHandles.Count == 0)
            {
                return(false);
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                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 fabricArea = IFCInstanceExporter.CreateGroup(file, guid,
                                                                          ownerHistory, name, description, objectType);

                productWrapper.AddElement(element, fabricArea);

                IFCInstanceExporter.CreateRelAssignsToGroup(file, GUIDUtil.CreateGUID(), ownerHistory,
                                                            null, null, fabricSheetHandles, null, fabricArea);

                tr.Commit();
                return(true);
            }
        }
        /// <summary>
        /// Exports curtain wall types to IfcCurtainWallType.
        /// </summary>
        /// <param name="exporterIFC">The exporter.</param>
        /// <param name="wrapper">The ProductWrapper class.</param>
        /// <param name="elementHandle">The element handle.</param>
        /// <param name="element">The element.</param>
        public static void ExportCurtainWallType(ExporterIFC exporterIFC, ProductWrapper wrapper, IFCAnyHandle elementHandle, Element element)
        {
            if (elementHandle == null || element == null)
            {
                return;
            }

            Document  doc         = element.Document;
            ElementId typeElemId  = element.GetTypeId();
            Element   elementType = doc.GetElement(typeElemId);

            if (elementType == null)
            {
                return;
            }

            IFCAnyHandle wallType = null;

            if (ExporterCacheManager.WallTypeCache.TryGetValue(typeElemId, out wallType))
            {
                ExporterCacheManager.TypeRelationsCache.Add(wallType, elementHandle);
                return;
            }

            string elemGUID = GUIDUtil.CreateGUID(elementType);
            string elemName = NamingUtil.GetNameOverride(elementType, NamingUtil.GetIFCName(elementType));
            string elemDesc = NamingUtil.GetDescriptionOverride(elementType, null);
            string elemTag  = NamingUtil.GetTagOverride(elementType, NamingUtil.CreateIFCElementId(elementType));
            string elemApplicableOccurence = NamingUtil.GetOverrideStringValue(elementType, "IfcApplicableOccurence", null);
            string elemElementType         = NamingUtil.GetOverrideStringValue(elementType, "IfcElementType", null);

            // Property sets will be set later.
            wallType = IFCInstanceExporter.CreateCurtainWallType(exporterIFC.GetFile(), elemGUID, exporterIFC.GetOwnerHistoryHandle(),
                                                                 elemName, elemDesc, elemApplicableOccurence, null, null, elemTag, elemElementType,
                                                                 (elemElementType != null) ? IFCCurtainWallType.UserDefined : IFCCurtainWallType.NotDefined);

            wrapper.RegisterHandleWithElementType(elementType as ElementType, wallType, null);

            ExporterCacheManager.WallTypeCache[typeElemId] = wallType;
            ExporterCacheManager.TypeRelationsCache.Add(wallType, elementHandle);
        }
Exemple #20
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        /// <summary>
        /// Exports a Group as an IfcGroup.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        /// <returns>True if exported successfully, false otherwise.</returns>
        public static bool ExportGroupElement(ExporterIFC exporterIFC, Group element,
                                              ProductWrapper productWrapper)
        {
            if (element == null)
            {
                return(false);
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                IFCAnyHandle groupHnd = null;

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

                string        ifcEnumType;
                IFCExportType exportAs = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType);
                if (exportAs == IFCExportType.IfcGroup)
                {
                    groupHnd = IFCInstanceExporter.CreateGroup(file, guid, ownerHistory, name, description, objectType);
                }

                if (groupHnd == null)
                {
                    return(false);
                }

                productWrapper.AddElement(element, groupHnd);

                ExporterCacheManager.GroupCache.RegisterGroup(element.Id, groupHnd);

                tr.Commit();
                return(true);
            }
        }
Exemple #21
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        /// <summary>
        /// Creates a new IfcBeamType and relates it to the current element.
        /// </summary>
        /// <param name="exporterIFC">The exporter.</param>
        /// <param name="wrapper">The ProductWrapper class.</param>
        /// <param name="elementHandle">The element handle.</param>
        /// <param name="element">The element.</param>
        /// <param name="overrideMaterialId">The material id used for the element type.</param>
        public static void ExportBeamType(ExporterIFC exporterIFC, ProductWrapper wrapper, IFCAnyHandle elementHandle, Element element, string predefinedType)
        {
            if (elementHandle == null || element == null)
            {
                return;
            }

            Document  doc         = element.Document;
            ElementId typeElemId  = element.GetTypeId();
            Element   elementType = doc.GetElement(typeElemId);

            if (elementType == null)
            {
                return;
            }

            IFCAnyHandle beamType = ExporterCacheManager.ElementToHandleCache.Find(typeElemId);

            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(beamType))
            {
                ExporterCacheManager.TypeRelationsCache.Add(beamType, elementHandle);
                return;
            }

            string elemGUID = GUIDUtil.CreateGUID(elementType);
            string elemName = NamingUtil.GetNameOverride(elementType, NamingUtil.GetIFCName(elementType));
            string elemDesc = NamingUtil.GetDescriptionOverride(elementType, null);
            string elemTag  = NamingUtil.GetTagOverride(elementType, NamingUtil.CreateIFCElementId(elementType));
            string elemApplicableOccurence = NamingUtil.GetOverrideStringValue(elementType, "IfcApplicableOccurence", null);
            string elemElementType         = NamingUtil.GetOverrideStringValue(elementType, "IfcElementType", null);

            // Property sets will be set later.
            beamType = IFCInstanceExporter.CreateBeamType(exporterIFC.GetFile(), elemGUID, ExporterCacheManager.OwnerHistoryHandle,
                                                          elemName, elemDesc, elemApplicableOccurence, null, null, elemTag, elemElementType, GetBeamType(elementType, predefinedType));

            wrapper.RegisterHandleWithElementType(elementType as ElementType, beamType, null);

            ExporterCacheManager.TypeRelationsCache.Add(beamType, elementHandle);
            ExporterCacheManager.ElementToHandleCache.Register(typeElemId, beamType);
        }
        /// <summary>
        /// Exports an element as an IfcReinforcingMesh.
        /// </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 ExportFabricSheet(ExporterIFC exporterIFC, FabricSheet sheet,
                                             GeometryElement geometryElement, ProductWrapper productWrapper)
        {
            if (sheet == null || geometryElement == null)
            {
                return(false);
            }

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

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

                        ElementId categoryId = CategoryUtil.GetSafeCategoryId(sheet);

                        ElementId materialId = ElementId.InvalidElementId;
                        ParameterUtil.GetElementIdValueFromElementOrSymbol(sheet, BuiltInParameter.MATERIAL_ID_PARAM, out materialId);
                        double scale = exporterIFC.LinearScale;

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

                        IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
                        string       elementTag     = NamingUtil.CreateIFCElementId(sheet);

                        string steelGrade = NamingUtil.GetOverrideStringValue(sheet, "SteelGrade", null);
                        double?meshLength = sheet.CutOverallLength;
                        double?meshWidth  = sheet.CutOverallWidth;

                        Element         fabricSheetTypeElem = doc.GetElement(sheet.GetTypeId());
                        FabricSheetType fabricSheetType     = (fabricSheetTypeElem == null) ? null : (fabricSheetTypeElem as FabricSheetType);

                        double longitudinalBarNominalDiameter  = 0.0;
                        double transverseBarNominalDiameter    = 0.0;
                        double longitudinalBarCrossSectionArea = 0.0;
                        double transverseBarCrossSectionArea   = 0.0;
                        double longitudinalBarSpacing          = 0.0;
                        double transverseBarSpacing            = 0.0;
                        if (fabricSheetType != null)
                        {
                            Element        majorFabricWireTypeElem = doc.GetElement(fabricSheetType.MajorDirectionWireType);
                            FabricWireType majorFabricWireType     = (majorFabricWireTypeElem == null) ? null : (majorFabricWireTypeElem as FabricWireType);
                            if (majorFabricWireType != null)
                            {
                                longitudinalBarNominalDiameter = majorFabricWireType.WireDiameter * scale;
                                double localRadius = longitudinalBarNominalDiameter / 2.0;
                                longitudinalBarCrossSectionArea = localRadius * localRadius * Math.PI;
                            }

                            Element        minorFabricWireTypeElem = doc.GetElement(fabricSheetType.MinorDirectionWireType);
                            FabricWireType minorFabricWireType     = (minorFabricWireTypeElem == null) ? null : (minorFabricWireTypeElem as FabricWireType);
                            if (minorFabricWireType != null)
                            {
                                transverseBarNominalDiameter = minorFabricWireType.WireDiameter * scale;
                                double localRadius = transverseBarNominalDiameter / 2.0;
                                transverseBarCrossSectionArea = localRadius * localRadius * Math.PI;
                            }

                            longitudinalBarSpacing = fabricSheetType.MajorSpacing * scale;
                            transverseBarSpacing   = fabricSheetType.MinorSpacing * scale;
                        }

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

                        IList <Curve> wireCenterlines = sheet.GetWireCenterlines(WireDistributionDirection.Major);
                        foreach (Curve wireCenterline in wireCenterlines)
                        {
                            IFCAnyHandle bodyItem = CreateSweptDiskSolid(exporterIFC, file, wireCenterline, longitudinalBarNominalDiameter);
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(bodyItem))
                            {
                                bodyItems.Add(bodyItem);
                            }
                        }

                        wireCenterlines = sheet.GetWireCenterlines(WireDistributionDirection.Minor);
                        foreach (Curve wireCenterline in wireCenterlines)
                        {
                            IFCAnyHandle bodyItem = CreateSweptDiskSolid(exporterIFC, file, wireCenterline, transverseBarNominalDiameter);
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(bodyItem))
                            {
                                bodyItems.Add(bodyItem);
                            }
                        }

                        IFCAnyHandle shapeRep = (bodyItems.Count > 0) ?
                                                RepresentationUtil.CreateAdvancedSweptSolidRep(exporterIFC, sheet, categoryId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null) :
                                                null;
                        IList <IFCAnyHandle> shapeReps = null;
                        if (shapeRep != null)
                        {
                            shapeReps = new List <IFCAnyHandle>();
                            shapeReps.Add(shapeRep);
                        }
                        IFCAnyHandle prodRep = (shapeReps != null) ? IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps) : null;

                        IFCAnyHandle fabricSheet = IFCInstanceExporter.CreateReinforcingMesh(file, guid,
                                                                                             ownerHistory, name, description, objectType, localPlacement, prodRep, elementTag,
                                                                                             steelGrade, meshLength, meshWidth, longitudinalBarNominalDiameter, transverseBarNominalDiameter,
                                                                                             longitudinalBarCrossSectionArea, transverseBarCrossSectionArea,
                                                                                             longitudinalBarSpacing, transverseBarSpacing);

                        ElementId fabricAreaId = sheet.FabricAreaOwnerId;
                        if (fabricAreaId != ElementId.InvalidElementId)
                        {
                            HashSet <IFCAnyHandle> fabricSheets = null;
                            if (!ExporterCacheManager.FabricAreaHandleCache.TryGetValue(fabricAreaId, out fabricSheets))
                            {
                                fabricSheets = new HashSet <IFCAnyHandle>();
                                ExporterCacheManager.FabricAreaHandleCache[fabricAreaId] = fabricSheets;
                            }
                            fabricSheets.Add(fabricSheet);
                        }

                        productWrapper.AddElement(sheet, fabricSheet, placementSetter.GetLevelInfo(), ecData, true);

                        CategoryUtil.CreateMaterialAssociation(exporterIFC, fabricSheet, materialId);
                    }
                }
                tr.Commit();
                return(true);
            }
        }
Exemple #23
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        /// <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();
                    }
                }
            }
        }
Exemple #24
0
        /// <summary>
        /// Get all the grids and add to the map with its level.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <returns>The map with sorted grids by level.</returns>
        private static IDictionary <Tuple <ElementId, string>, List <Grid> > GetAllGrids(Document document, ExporterIFC exporterIFC)
        {
            View  currentView  = ExporterCacheManager.ExportOptionsCache.FilterViewForExport;
            Level currentLevel = null;

            if (currentView != null)
            {
                currentLevel = currentView.GenLevel;
            }
            SortedDictionary <double, ElementId> levelIds = new SortedDictionary <double, ElementId>();

            if (currentLevel != null)
            {
                levelIds.Add(currentLevel.Elevation, currentLevel.Id);
            }
            else
            {
                foreach (ElementId levelId in ExporterCacheManager.LevelInfoCache.BuildingStoriesByElevation)
                {
                    Level level = document.GetElement(levelId) as Level;
                    if (!levelIds.ContainsKey(level.Elevation))
                    {
                        levelIds.Add(level.Elevation, levelId);
                    }
                }
            }

            double eps = MathUtil.Eps();
            // The Dictionary key is a tuple of the containing level id, and the elevation of the Grid
            IDictionary <Tuple <ElementId, string>, List <Grid> > levelGrids = new Dictionary <Tuple <ElementId, string>, List <Grid> >(new TupleGridAndNameComparer());

            // Group grids based on their elevation (the same elevation will be the same IfcGrid)
            foreach (Element element in ExporterCacheManager.GridCache)
            {
                Grid grid     = element as Grid;
                XYZ  minPoint = grid.GetExtents().MinimumPoint;
                XYZ  maxPoint = grid.GetExtents().MaximumPoint;

                // Find level where the Grid min point is at higher elevation but lower than the next level
                KeyValuePair <double, ElementId> levelGrid = levelIds.First();
                foreach (KeyValuePair <double, ElementId> levelInfo in levelIds)
                {
                    //if (levelInfo.Key + eps >= minPoint.Z)
                    //   break;
                    if (minPoint.Z <= levelInfo.Key + eps && levelInfo.Key - eps <= maxPoint.Z)
                    {
                        levelGrid = levelInfo;
                        break;
                    }
                }

                string gridName = NamingUtil.GetNameOverride(element, "Default Grid");
                Tuple <ElementId, string> gridGroupKey = new Tuple <ElementId, string>(levelGrid.Value, gridName);
                if (!levelGrids.ContainsKey(gridGroupKey))
                {
                    levelGrids.Add(gridGroupKey, new List <Grid>());
                }
                levelGrids[gridGroupKey].Add(grid);
            }
            return(levelGrids);
        }
Exemple #25
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.LevelId, false))
            {
                return;
            }

            IFCFile file = exporterIFC.GetFile();

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

                        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));
                        string footingType         = GetIFCFootingType(ifcEnumType); // need to keep it for legacy support when original data follows slightly diff naming
                        footingType = IFCValidateEntry.GetValidIFCType(element, footingType);

                        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.LocalPlacement, 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();
            }
        }
Exemple #26
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 (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, ramp))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.SetLocalPlacement(placementSetter.LocalPlacement);
                        ecData.ReuseLocalPlacement = false;

                        GeometryElement rampGeom = GeometryUtil.GetOneLevelGeometryElement(geometryElement, numFlights);

                        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));
                        string       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.LevelInfo, 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();
                }
            }
        }
Exemple #27
0
        /// <summary>
        /// Exports a Group as an IfcGroup.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        /// <returns>True if exported successfully, false otherwise.</returns>
        public static bool ExportGroupElement(ExporterIFC exporterIFC, Group element,
                                              ProductWrapper productWrapper)
        {
            if (element == null)
            {
                return(false);
            }

            // Check the intended IFC entity or type name is in the exclude list specified in the UI
            Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcGroup;
            if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
            {
                return(false);
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                IFCAnyHandle groupHnd = null;

                string       guid         = GUIDUtil.CreateGUID(element);
                IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
                string       name         = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                string       description  = NamingUtil.GetDescriptionOverride(element, null);
                string       objectType   = NamingUtil.GetObjectTypeOverride(element, NamingUtil.GetFamilyAndTypeName(element));
                string       longName     = NamingUtil.GetLongNameOverride(element, null);

                string            ifcEnumType;
                IFCExportInfoPair exportAs = ExporterUtil.GetObjectExportType(exporterIFC, element, out ifcEnumType);

                if (exportAs.ExportInstance == IFCEntityType.IfcGroup)
                {
                    groupHnd = IFCInstanceExporter.CreateGroup(file, guid, ownerHistory, name, description, objectType);
                }
                else if (!ExporterCacheManager.ExportOptionsCache.ExportAsOlderThanIFC4)
                {
                    if (exportAs.ExportInstance == IFCEntityType.IfcBuildingSystem)
                    {
                        groupHnd = IFCInstanceExporter.CreateBuildingSystem(file, exportAs, guid, ownerHistory, name, description, objectType, longName);
                    }
                    else if (exportAs.ExportInstance == IFCEntityType.IfcFurniture)
                    {
                        groupHnd = IFCInstanceExporter.CreateGenericIFCEntity(exportAs, exporterIFC, element, guid, ownerHistory, null, null);
                    }
                }

                if (groupHnd == null)
                {
                    return(false);
                }

                GroupInfo groupInfo = ExporterCacheManager.GroupCache.RegisterGroup(element.Id, groupHnd);

                if (IFCAnyHandleUtil.IsSubTypeOf(groupHnd, IFCEntityType.IfcProduct))
                {
                    IFCAnyHandle overrideContainerHnd = null;
                    ElementId    overrideContainerId  = ParameterUtil.OverrideContainmentParameter(exporterIFC, element, out overrideContainerHnd);

                    using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, null, null, overrideContainerId, overrideContainerHnd))
                    {
                        IFCAnyHandle localPlacementToUse;
                        ElementId    roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse);

                        bool containedInSpace = (roomId != ElementId.InvalidElementId);
                        productWrapper.AddElement(element, groupHnd, setter.LevelInfo, null, !containedInSpace, exportAs);

                        if (containedInSpace)
                        {
                            ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomId, groupHnd);
                        }
                    }
                }
                else
                {
                    productWrapper.AddElement(element, groupHnd, exportAs);
                }

                // Check or set the cached Group's export type
                if (groupInfo.GroupType.ExportInstance == IFCEntityType.UnKnown)
                {
                    ExporterCacheManager.GroupCache.RegisterOrUpdateGroupType(element.Id, exportAs);
                }
                else if (groupInfo.GroupType.ExportInstance != exportAs.ExportInstance)
                {
                    throw new InvalidOperationException("Inconsistent Group export entity type");
                }

                tr.Commit();
                return(true);
            }
        }
        /// <summary>
        /// Exports a generic element as an IfcSlab.</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>
        /// <returns>True if the floor is exported successfully, false otherwise.</returns>
        public static void ExportGenericSlab(ExporterIFC exporterIFC, Element slabElement, GeometryElement geometryElement, string ifcEnumType,
                                             ProductWrapper productWrapper)
        {
            if (geometryElement == null)
            {
                return;
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCTransformSetter transformSetter = IFCTransformSetter.Create())
                {
                    using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, slabElement))
                    {
                        using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                        {
                            bool exportParts = PartExporter.CanExportParts(slabElement);

                            IFCAnyHandle ownerHistory   = ExporterCacheManager.OwnerHistoryHandle;
                            IFCAnyHandle localPlacement = placementSetter.LocalPlacement;

                            IFCAnyHandle prodDefHnd    = null;
                            bool         isBRepSlabHnd = false;

                            if (!exportParts)
                            {
                                ecData.SetLocalPlacement(localPlacement);

                                ElementId catId = CategoryUtil.GetSafeCategoryId(slabElement);

                                BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.Medium);
                                BodyData            bodyData;
                                prodDefHnd = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
                                                                                                        slabElement, catId, geometryElement, bodyExporterOptions, null, ecData, out bodyData);
                                if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodDefHnd))
                                {
                                    ecData.ClearOpenings();
                                    return;
                                }
                                isBRepSlabHnd = (bodyData.ShapeRepresentationType == ShapeRepresentationType.Brep);
                            }

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

                            string entityType = IFCValidateEntry.GetValidIFCType <IFCSlabType>(slabElement, ifcEnumType, "FLOOR");

                            string ifcName        = NamingUtil.GetNameOverride(slabElement, NamingUtil.GetIFCName(slabElement));
                            string ifcDescription = NamingUtil.GetDescriptionOverride(slabElement, null);
                            string ifcObjectType  = NamingUtil.GetObjectTypeOverride(slabElement, exporterIFC.GetFamilyName());
                            string ifcTag         = NamingUtil.GetTagOverride(slabElement, NamingUtil.CreateIFCElementId(slabElement));

                            IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, ifcGUID, ownerHistory, ifcName,
                                                                                  ifcDescription, ifcObjectType, localPlacement, exportParts ? null : prodDefHnd,
                                                                                  ifcTag, entityType);

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

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

                            productWrapper.AddElement(slabElement, slabHnd, placementSetter, ecData, true);

                            if (!exportParts)
                            {
                                if (slabElement is HostObject)
                                {
                                    HostObject hostObject = slabElement as HostObject;

                                    HostObjectExporter.ExportHostObjectMaterials(exporterIFC, hostObject, slabHnd,
                                                                                 geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, isBRepSlabHnd);
                                }
                                else if (slabElement is FamilyInstance)
                                {
                                    ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, slabElement);
                                    Document  doc   = slabElement.Document;
                                    CategoryUtil.CreateMaterialAssociation(exporterIFC, slabHnd, matId);
                                }

                                OpeningUtil.CreateOpeningsIfNecessary(slabHnd, slabElement, ecData, null,
                                                                      exporterIFC, ecData.GetLocalPlacement(), placementSetter, productWrapper);
                            }
                        }
                    }
                    tr.Commit();

                    return;
                }
            }
        }
        /// <summary>
        /// Exports a CeilingAndFloor element to IFC.
        /// </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 ExportCeilingAndFloorElement(ExporterIFC exporterIFC, CeilingAndFloor floorElement, GeometryElement geometryElement,
                                                        ProductWrapper productWrapper)
        {
            if (geometryElement == null)
            {
                return;
            }

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

            if (exportParts && !PartExporter.CanExportElementInPartExport(floorElement, floorElement.LevelId, false))
            {
                return;
            }

            IFCFile file = exporterIFC.GetFile();

            string        ifcEnumType;
            IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, floorElement, out ifcEnumType);

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                bool canExportAsContainerOrWithExtrusionAnalyzer = (!exportParts && (floorElement is Floor));

                IList <IFCAnyHandle> slabHnds        = new List <IFCAnyHandle>();
                IList <IFCAnyHandle> brepSlabHnds    = new List <IFCAnyHandle>();
                IList <IFCAnyHandle> nonBrepSlabHnds = new List <IFCAnyHandle>();

                using (IFCTransformSetter transformSetter = IFCTransformSetter.Create())
                {
                    using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, floorElement))
                    {
                        IFCAnyHandle localPlacement = placementSetter.LocalPlacement;
                        IFCAnyHandle ownerHistory   = ExporterCacheManager.OwnerHistoryHandle;

                        // The routine ExportExtrudedSlabOpenings is called if exportedAsInternalExtrusion is true, and it requires having a valid level association.
                        // Disable calling ExportSlabAsExtrusion if we can't handle potential openings.
                        bool canExportAsInternalExtrusion = placementSetter.LevelInfo != null;
                        bool exportedAsInternalExtrusion  = false;

                        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 (canExportAsContainerOrWithExtrusionAnalyzer)
                        {
                            Floor floor = floorElement as Floor;

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

                            if (solids.Count == 1 && meshes.Count == 0)
                            {
                                bool completelyClipped;
                                // floorExtrusionDirection is set to (0, 0, -1) because extrusionAnalyzerFloorPlane is computed from the top face of the floor
                                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 = floorElement.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, floorElement,
                                                                                                   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 && canExportAsInternalExtrusion)
                        {
                            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, ExportOptionsCache.ExportTessellationLevel.Medium);
                                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;

                        string entityType = null;

                        switch (exportType)
                        {
                        case IFCExportType.IfcFooting:
                            if (ExporterCacheManager.ExportOptionsCache.ExportAs4)
                            {
                                entityType = IFCValidateEntry.GetValidIFCType <Revit.IFC.Export.Toolkit.IFC4.IFCFootingType>(floorElement, ifcEnumType, null);
                            }
                            else
                            {
                                entityType = IFCValidateEntry.GetValidIFCType <IFCFootingType>(floorElement, ifcEnumType, null);
                            }
                            break;

                        case IFCExportType.IfcCovering:
                            entityType = IFCValidateEntry.GetValidIFCType <IFCCoveringType>(floorElement, ifcEnumType, "FLOORING");
                            break;

                        case IFCExportType.IfcRamp:
                            if (ExporterCacheManager.ExportOptionsCache.ExportAs4)
                            {
                                entityType = IFCValidateEntry.GetValidIFCType <Revit.IFC.Export.Toolkit.IFC4.IFCRampType>(floorElement, ifcEnumType, null);
                            }
                            else
                            {
                                entityType = IFCValidateEntry.GetValidIFCType <IFCRampType>(floorElement, ifcEnumType, null);
                            }
                            break;

                        default:
                            bool            isBaseSlab      = false;
                            AnalyticalModel analyticalModel = floorElement.GetAnalyticalModel();
                            if (analyticalModel != null)
                            {
                                AnalyzeAs slabFoundationType = analyticalModel.GetAnalyzeAs();
                                isBaseSlab = (slabFoundationType == AnalyzeAs.SlabOnGrade) || (slabFoundationType == AnalyzeAs.Mat);
                            }
                            entityType = IFCValidateEntry.GetValidIFCType <IFCSlabType>(floorElement, ifcEnumType, isBaseSlab ? "BASESLAB" : "FLOOR");
                            break;
                        }

                        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;

                            // TODO: replace with CreateGenericBuildingElement.
                            switch (exportType)
                            {
                            case IFCExportType.IfcFooting:
                                slabHnd = IFCInstanceExporter.CreateFooting(file, currentGUID, ownerHistory, ifcName,
                                                                            ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii],
                                                                            ifcTag, entityType);
                                break;

                            case IFCExportType.IfcCovering:
                                slabHnd = IFCInstanceExporter.CreateCovering(file, currentGUID, ownerHistory, ifcName,
                                                                             ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii],
                                                                             ifcTag, entityType);
                                break;

                            case IFCExportType.IfcRamp:
                                slabHnd = IFCInstanceExporter.CreateRamp(file, currentGUID, ownerHistory, ifcName,
                                                                         ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii],
                                                                         ifcTag, entityType);
                                break;

                            default:
                                slabHnd = IFCInstanceExporter.CreateSlab(file, currentGUID, ownerHistory, ifcName,
                                                                         ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii],
                                                                         ifcTag, entityType);
                                break;
                            }

                            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);
                        }

                        // This call to the native function appears to create Brep opening also when appropriate. But the creation of the IFC instances is not
                        //   controllable from the managed code. Therefore in some cases BRep geometry for Opening will still be exported even in the Reference View
                        if (exportedAsInternalExtrusion)
                        {
                            ExporterIFCUtils.ExportExtrudedSlabOpenings(exporterIFC, floorElement, placementSetter.LevelInfo,
                                                                        localPlacements[0], slabHnds, extrusionLoops, floorPlane, productWrapper.ToNative());
                        }
                    }

                    if (!exportParts)
                    {
                        if (nonBrepSlabHnds.Count > 0)
                        {
                            HostObjectExporter.ExportHostObjectMaterials(exporterIFC, floorElement, nonBrepSlabHnds,
                                                                         geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, false);
                        }
                        if (brepSlabHnds.Count > 0)
                        {
                            HostObjectExporter.ExportHostObjectMaterials(exporterIFC, floorElement, brepSlabHnds,
                                                                         geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, true);
                        }
                    }
                }
                tr.Commit();

                return;
            }
        }
Exemple #30
0
        /// <summary>
        /// Base implementation to export IFC site object.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="document">The Revit document.  It may be null if element isn't.</param>
        /// <param name="element">The element.  It may be null if document isn't.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        private static void ExportSiteBase(ExporterIFC exporterIFC, Document document, Element element, GeometryElement geometryElement, ProductWrapper productWrapper)
        {
            IFCAnyHandle siteHandle = ExporterCacheManager.SiteHandle;

            // Nothing to do if we've already created an IfcSite, and have no site element to try to
            // export or append to the existing site.
            if (element == null && !IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle))
            {
                return;
            }

            Document doc = document;

            if (doc == null)
            {
                if (element != null)
                {
                    doc = element.Document;
                }
                else
                {
                    throw new ArgumentException("Both document and element are null.");
                }
            }

            // Check the intended IFC entity or type name is in the exclude list specified in the UI
            Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcSite;
            if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
            {
                return;
            }

            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                IFCAnyHandle siteRepresentation = null;
                if (element != null)
                {
                    // It would be possible that they actually represent several different sites with different buildings,
                    // but until we have a concept of a building in Revit, we have to assume 0-1 sites, 1 building.
                    bool appendedToSite     = false;
                    bool exportAsFacetation = !ExporterCacheManager.ExportOptionsCache.ExportAsCoordinationView2;
                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle))
                    {
                        IList <IFCAnyHandle> representations = IFCAnyHandleUtil.GetProductRepresentations(siteHandle);
                        if (representations.Count > 0)
                        {
                            IFCAnyHandle bodyRep     = representations[0];
                            IFCAnyHandle boundaryRep = null;
                            if (representations.Count > 1)
                            {
                                boundaryRep = representations[1];
                            }

                            siteRepresentation = RepresentationUtil.CreateSurfaceProductDefinitionShape(exporterIFC, element, geometryElement, true, exportAsFacetation, ref bodyRep, ref boundaryRep);
                            if (representations.Count == 1 && !IFCAnyHandleUtil.IsNullOrHasNoValue(boundaryRep))
                            {
                                // If the first site has no boundaryRep,
                                // we will add the boundaryRep from second site to it.
                                representations.Clear();
                                representations.Add(boundaryRep);
                                IFCAnyHandleUtil.AddProductRepresentations(siteHandle, representations);
                            }
                            appendedToSite = true;
                        }
                    }

                    if (!appendedToSite)
                    {
                        siteRepresentation = RepresentationUtil.CreateSurfaceProductDefinitionShape(exporterIFC, element, geometryElement, true, exportAsFacetation);
                    }
                }

                List <int>      latitude     = new List <int>();
                List <int>      longitude    = new List <int>();
                ProjectLocation projLocation = doc.ActiveProjectLocation;

                IFCAnyHandle relativePlacement = null;
                double       unscaledElevation = 0.0;
                if (projLocation != null)
                {
                    const double scaleToDegrees = 180 / Math.PI;
                    double       latitudeInDeg  = projLocation.GetSiteLocation().Latitude *scaleToDegrees;
                    double       longitudeInDeg = projLocation.GetSiteLocation().Longitude *scaleToDegrees;

                    ExporterUtil.GetSafeProjectPositionElevation(doc, out unscaledElevation);

                    int latDeg     = ((int)latitudeInDeg); latitudeInDeg -= latDeg; latitudeInDeg *= 60;
                    int latMin     = ((int)latitudeInDeg); latitudeInDeg -= latMin; latitudeInDeg *= 60;
                    int latSec     = ((int)latitudeInDeg); latitudeInDeg -= latSec; latitudeInDeg *= 1000000;
                    int latFracSec = ((int)latitudeInDeg);
                    latitude.Add(latDeg);
                    latitude.Add(latMin);
                    latitude.Add(latSec);
                    if (!ExporterCacheManager.ExportOptionsCache.ExportAs2x2)
                    {
                        latitude.Add(latFracSec);
                    }

                    int longDeg     = ((int)longitudeInDeg); longitudeInDeg -= longDeg; longitudeInDeg *= 60;
                    int longMin     = ((int)longitudeInDeg); longitudeInDeg -= longMin; longitudeInDeg *= 60;
                    int longSec     = ((int)longitudeInDeg); longitudeInDeg -= longSec; longitudeInDeg *= 1000000;
                    int longFracSec = ((int)longitudeInDeg);
                    longitude.Add(longDeg);
                    longitude.Add(longMin);
                    longitude.Add(longSec);
                    if (!ExporterCacheManager.ExportOptionsCache.ExportAs2x2)
                    {
                        longitude.Add(longFracSec);
                    }

                    ExportOptionsCache.SiteTransformBasis transformBasis = ExporterCacheManager.ExportOptionsCache.SiteTransformation;

                    Transform siteSharedCoordinatesTrf = Transform.Identity;

                    if (transformBasis != ExportOptionsCache.SiteTransformBasis.Internal)
                    {
                        BasePoint basePoint = null;
                        if (transformBasis == ExportOptionsCache.SiteTransformBasis.Project)
                        {
                            basePoint = new FilteredElementCollector(doc).WherePasses(new ElementCategoryFilter(BuiltInCategory.OST_ProjectBasePoint)).First() as BasePoint;
                        }
                        else if (transformBasis == ExportOptionsCache.SiteTransformBasis.Site)
                        {
                            basePoint = new FilteredElementCollector(doc).WherePasses(new ElementCategoryFilter(BuiltInCategory.OST_SharedBasePoint)).First() as BasePoint;
                        }

                        if (basePoint != null)
                        {
                            BoundingBoxXYZ bbox = basePoint.get_BoundingBox(null);
                            XYZ            xyz  = bbox.Min;
                            siteSharedCoordinatesTrf = Transform.CreateTranslation(new XYZ(-xyz.X, -xyz.Y, unscaledElevation - xyz.Z));
                        }
                        else
                        {
                            siteSharedCoordinatesTrf = projLocation.GetTransform().Inverse;
                        }
                    }

                    if (!siteSharedCoordinatesTrf.IsIdentity)
                    {
                        double unscaledSiteElevation = ExporterCacheManager.ExportOptionsCache.IncludeSiteElevation ? 0.0 : unscaledElevation;
                        XYZ    orig = UnitUtil.ScaleLength(siteSharedCoordinatesTrf.Origin - new XYZ(0, 0, unscaledSiteElevation));
                        relativePlacement = ExporterUtil.CreateAxis2Placement3D(file, orig, siteSharedCoordinatesTrf.BasisZ, siteSharedCoordinatesTrf.BasisX);
                    }
                }

                // Get elevation for site.
                double elevation = UnitUtil.ScaleLength(unscaledElevation);

                if (IFCAnyHandleUtil.IsNullOrHasNoValue(relativePlacement))
                {
                    relativePlacement = ExporterUtil.CreateAxis2Placement3D(file);
                }

                IFCAnyHandle localPlacement = IFCInstanceExporter.CreateLocalPlacement(file, null, relativePlacement);
                IFCAnyHandle ownerHistory   = ExporterCacheManager.OwnerHistoryHandle;
                string       siteObjectType = null;

                ProjectInfo projectInfo     = doc.ProjectInformation;
                Element     mainSiteElement = (element != null) ? element : projectInfo;

                bool   exportSite          = false;
                string siteGUID            = null;
                string siteName            = null;
                string siteLongName        = null;
                string siteLandTitleNumber = null;
                string siteDescription     = null;

                if (element != null)
                {
                    if (IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle))
                    {
                        exportSite = true;

                        // We will use the Project Information site name as the primary name, if it exists.
                        siteGUID = GUIDUtil.CreateSiteGUID(doc, element);

                        siteName        = NamingUtil.GetOverrideStringValue(projectInfo, "SiteName", NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element)));
                        siteDescription = NamingUtil.GetDescriptionOverride(element, null);

                        // Look in site element for "IfcLongName" or project information for either "IfcLongName" or "SiteLongName".
                        siteLongName = NamingUtil.GetLongNameOverride(projectInfo, NamingUtil.GetLongNameOverride(element, null));
                        if (string.IsNullOrWhiteSpace(siteLongName))
                        {
                            siteLongName = NamingUtil.GetOverrideStringValue(projectInfo, "SiteLongName", null);
                        }

                        siteDescription = NamingUtil.GetOverrideStringValue(projectInfo, "SiteDescription", null);
                        siteObjectType  = NamingUtil.GetOverrideStringValue(projectInfo, "SiteObjectType", null);

                        // Look in site element for "IfcLandTitleNumber" or project information for "SiteLandTitleNumber".
                        siteLandTitleNumber = NamingUtil.GetOverrideStringValue(element, "IfcLandTitleNumber", null);
                        if (string.IsNullOrWhiteSpace(siteLandTitleNumber))
                        {
                            siteLandTitleNumber = NamingUtil.GetOverrideStringValue(projectInfo, "SiteLandTitleNumber", null);
                        }
                    }
                }
                else
                {
                    exportSite = true;

                    siteGUID            = GUIDUtil.CreateProjectLevelGUID(doc, IFCProjectLevelGUIDType.Site);
                    siteName            = NamingUtil.GetOverrideStringValue(projectInfo, "SiteName", "Default");
                    siteLongName        = NamingUtil.GetLongNameOverride(projectInfo, NamingUtil.GetOverrideStringValue(projectInfo, "SiteLongName", null));
                    siteDescription     = NamingUtil.GetOverrideStringValue(projectInfo, "SiteDescription", null);
                    siteObjectType      = NamingUtil.GetOverrideStringValue(projectInfo, "SiteObjectType", null);
                    siteLandTitleNumber = NamingUtil.GetOverrideStringValue(projectInfo, "SiteLandTitleNumber", null);

                    // don't bother if we have nothing in the site whatsoever.
                    if ((latitude.Count == 0 || longitude.Count == 0) && IFCAnyHandleUtil.IsNullOrHasNoValue(relativePlacement) &&
                        string.IsNullOrWhiteSpace(siteLongName) && string.IsNullOrWhiteSpace(siteLandTitleNumber))
                    {
                        return;
                    }
                }

                COBieProjectInfo cobieProjectInfo = ExporterCacheManager.ExportOptionsCache.COBieProjectInfo;
                // Override Site information when it is a special COBie export
                if (ExporterCacheManager.ExportOptionsCache.ExportAs2x3COBIE24DesignDeliverable && cobieProjectInfo != null)
                {
                    siteName        = cobieProjectInfo.SiteLocation;
                    siteDescription = cobieProjectInfo.SiteDescription;
                }

                if (exportSite)
                {
                    IFCAnyHandle address = null;
                    if (Exporter.NeedToCreateAddressForSite(doc))
                    {
                        address = Exporter.CreateIFCAddress(file, doc, projectInfo);
                    }

                    siteHandle = IFCInstanceExporter.CreateSite(exporterIFC, element, siteGUID, ownerHistory, siteName, siteDescription, siteObjectType, localPlacement,
                                                                siteRepresentation, siteLongName, IFCElementComposition.Element, latitude, longitude, elevation, siteLandTitleNumber, address);
                    productWrapper.AddSite(mainSiteElement, siteHandle);
                    ExporterCacheManager.SiteHandle = siteHandle;


                    // Getting Pset_SiteCommon data from parameters
                    // IFC2x3: BuildableArea, TotalArea, BuildingHeightLimit
                    HashSet <IFCAnyHandle> properties = new HashSet <IFCAnyHandle>();
                    IFCAnyHandle           propSingleValue;
                    propSingleValue = PropertyUtil.CreateAreaMeasurePropertyFromElement(file, exporterIFC, projectInfo,
                                                                                        "Pset_SiteCommon.BuildableArea", "BuildableArea", PropertyValueType.SingleValue);
                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(propSingleValue))
                    {
                        properties.Add(propSingleValue);
                    }

                    propSingleValue = PropertyUtil.CreateAreaMeasurePropertyFromElement(file, exporterIFC, projectInfo,
                                                                                        "Pset_SiteCommon.TotalArea", "TotalArea", PropertyValueType.SingleValue);
                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(propSingleValue))
                    {
                        properties.Add(propSingleValue);
                    }

                    propSingleValue = PropertyUtil.CreatePositiveLengthMeasurePropertyFromElement(file, exporterIFC, projectInfo,
                                                                                                  "Pset_SiteCommon.BuildingHeightLimit", null, "BuildingHeightLimit", PropertyValueType.SingleValue);
                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(propSingleValue))
                    {
                        properties.Add(propSingleValue);
                    }

                    if (!ExporterCacheManager.ExportOptionsCache.ExportAsOlderThanIFC4)
                    {
                        propSingleValue = PropertyUtil.CreateIdentifierPropertyFromElement(file, projectInfo,
                                                                                           "Pset_SiteCommon.Reference", "Reference", PropertyValueType.SingleValue);
                        if (!IFCAnyHandleUtil.IsNullOrHasNoValue(propSingleValue))
                        {
                            properties.Add(propSingleValue);
                        }

                        propSingleValue = PropertyUtil.CreatePositiveRatioPropertyFromElement(file, exporterIFC, projectInfo,
                                                                                              "Pset_SiteCommon.SiteCoverageRatio", "SiteCoverageRatio", PropertyValueType.SingleValue);
                        if (!IFCAnyHandleUtil.IsNullOrHasNoValue(propSingleValue))
                        {
                            properties.Add(propSingleValue);
                        }

                        propSingleValue = PropertyUtil.CreatePositiveRatioPropertyFromElement(file, exporterIFC, projectInfo,
                                                                                              "Pset_SiteCommon.FloorAreaRatio", "FloorAreaRatio", PropertyValueType.SingleValue);
                        if (!IFCAnyHandleUtil.IsNullOrHasNoValue(propSingleValue))
                        {
                            properties.Add(propSingleValue);
                        }
                    }

                    if (properties.Count > 0)
                    {
                        IFCInstanceExporter.CreatePropertySet(file,
                                                              GUIDUtil.CreateGUID(), ExporterCacheManager.OwnerHistoryHandle, "Pset_SiteCommon",
                                                              null, properties);
                    }
                }


                tr.Commit();
            }
        }