/// <summary> /// Export Curtain Walls and Roofs. /// </summary> /// <param name="exporterIFC"> /// The ExporterIFC object. /// </param> /// <param name="allSubElements"> /// Collection of elements contained in the host curtain element. /// </param> /// <param name="element"> /// The element to be exported. /// </param> /// <param name="productWrapper"> /// The IFCProductWrapper. /// </param> public static void ExportBase(ExporterIFC exporterIFC, ICollection <ElementId> allSubElements, Element element, IFCProductWrapper wrapper) { IFCFile file = exporterIFC.GetFile(); IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle(); IFCPlacementSetter setter = null; using (IFCProductWrapper curtainWallSubWrapper = IFCProductWrapper.Create(wrapper, false)) { try { IFCAnyHandle localPlacement = null; bool canExportCurtainWallAsContainer = CanExportCurtainWallAsContainer(allSubElements, element.Document); IFCAnyHandle rep = null; if (!canExportCurtainWallAsContainer) { setter = IFCPlacementSetter.Create(exporterIFC, element); localPlacement = setter.GetPlacement(); rep = ExportCurtainObjectCommonAsOneBRep(allSubElements, element, exporterIFC, setter, localPlacement); if (IFCAnyHandleUtil.IsNullOrHasNoValue(rep)) { return; } } else { ExportCurtainObjectCommonAsContainer(allSubElements, element, exporterIFC, curtainWallSubWrapper); // This has to go LAST. Why? Because otherwise we apply the level transform twice -- once in the familyTrf, once here. // This will be used just to put the CurtainWall on the right level. setter = IFCPlacementSetter.Create(exporterIFC, element); localPlacement = setter.GetPlacement(); } string objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element); { IFCAnyHandle prodRepHnd = null; IFCAnyHandle elemHnd = null; string elemGUID = ExporterIFCUtils.CreateGUID(element); string elemName = NamingUtil.GetNameOverride(element, exporterIFC.GetName()); string elemDesc = NamingUtil.GetDescriptionOverride(element, null); string elemType = NamingUtil.GetObjectTypeOverride(element, objectType); string elemId = NamingUtil.CreateIFCElementId(element); if (element is Wall || element is CurtainSystem || IsLegacyCurtainElement(element)) { elemHnd = IFCInstanceExporter.CreateCurtainWall(file, elemGUID, ownerHistory, elemName, elemDesc, elemType, localPlacement, prodRepHnd, elemId); } else if (element is RoofBase) { //need to convert the string to enum string ifcEnumType = CategoryUtil.GetIFCEnumTypeName(exporterIFC, element); elemHnd = IFCInstanceExporter.CreateRoof(file, elemGUID, ownerHistory, elemName, elemDesc, elemType, localPlacement, prodRepHnd, elemId, RoofExporter.GetIFCRoofType(ifcEnumType)); } else { return; } if (IFCAnyHandleUtil.IsNullOrHasNoValue(elemHnd)) { return; } wrapper.AddElement(elemHnd, setter, null, true); ExporterIFCUtils.CreateCurtainWallPropertySet(exporterIFC, element, wrapper); PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, wrapper); ICollection <IFCAnyHandle> relatedElementIds = curtainWallSubWrapper.GetAllObjects(); if (relatedElementIds.Count > 0) { string guid = ExporterIFCUtils.CreateSubElementGUID(element, (int)IFCCurtainWallSubElements.RelAggregates); HashSet <IFCAnyHandle> relatedElementIdSet = new HashSet <IFCAnyHandle>(relatedElementIds); IFCInstanceExporter.CreateRelAggregates(file, guid, ownerHistory, null, null, elemHnd, relatedElementIdSet); } exporterIFC.RegisterSpaceBoundingElementHandle(elemHnd, element.Id, ElementId.InvalidElementId); } } finally { if (setter != null) { setter.Dispose(); } } } }