/// <summary>
/// Exports an element as an IFC assembly.
/// </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 ExportAssemblyInstanceElement(ExporterIFC exporterIFC, AssemblyInstance element,
ProductWrapper productWrapper)
{
if (element == null)
{
return(false);
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
IFCAnyHandle assemblyInstanceHnd = null;
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 localPlacement = null;
IFCPlacementSetter placementSetter = null;
IFCLevelInfo levelInfo = null;
string ifcEnumType;
IFCExportType exportAs = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType);
if (exportAs == IFCExportType.ExportSystem)
{
assemblyInstanceHnd = IFCInstanceExporter.CreateSystem(file, guid,
ownerHistory, name, description, objectType);
// Create classification reference when System has classification filed name assigned to it
ClassificationUtil.CreateClassification(exporterIFC, file, element, assemblyInstanceHnd);
HashSet <IFCAnyHandle> relatedBuildings = new HashSet <IFCAnyHandle>();
relatedBuildings.Add(ExporterCacheManager.BuildingHandle);
IFCAnyHandle relServicesBuildings = IFCInstanceExporter.CreateRelServicesBuildings(file, GUIDUtil.CreateGUID(),
exporterIFC.GetOwnerHistoryHandle(), null, null, assemblyInstanceHnd, relatedBuildings);
}
else
{
using (placementSetter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
{
string elementTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
IFCAnyHandle representation = null;
// We have limited support for exporting assemblies as other container types.
localPlacement = placementSetter.GetPlacement();
levelInfo = placementSetter.GetLevelInfo();
switch (exportAs)
{
case IFCExportType.ExportCurtainWall:
assemblyInstanceHnd = IFCInstanceExporter.CreateCurtainWall(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag);
break;
case IFCExportType.ExportRamp:
IFCRampType rampPredefinedType = RampExporter.GetIFCRampType(ifcEnumType);
assemblyInstanceHnd = IFCInstanceExporter.CreateRamp(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag,
rampPredefinedType);
break;
case IFCExportType.ExportRoof:
IFCRoofType roofPredefinedType = RoofExporter.GetIFCRoofType(ifcEnumType);
assemblyInstanceHnd = IFCInstanceExporter.CreateRoof(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag,
roofPredefinedType);
break;
case IFCExportType.ExportStair:
IFCStairType stairPredefinedType = StairsExporter.GetIFCStairType(ifcEnumType);
assemblyInstanceHnd = IFCInstanceExporter.CreateStair(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag,
stairPredefinedType);
break;
case IFCExportType.ExportWall:
assemblyInstanceHnd = IFCInstanceExporter.CreateWall(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag);
break;
default:
IFCElementAssemblyType assemblyPredefinedType = GetPredefinedTypeFromObjectType(objectType);
assemblyInstanceHnd = IFCInstanceExporter.CreateElementAssembly(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag,
IFCAssemblyPlace.NotDefined, assemblyPredefinedType);
break;
}
}
}
if (assemblyInstanceHnd == null)
{
return(false);
}
bool relateToLevel = (levelInfo != null);
productWrapper.AddElement(element, assemblyInstanceHnd, levelInfo, null, relateToLevel);
ExporterCacheManager.AssemblyInstanceCache.RegisterAssemblyInstance(element.Id, assemblyInstanceHnd);
tr.Commit();
return(true);
}
}
/// <summary>
/// Exports an element to IfcPile.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="ifcEnumType">The string value represents the IFC type.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportPile(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
string ifcEnumType, ProductWrapper productWrapper)
{
// export parts or not
bool exportParts = PartExporter.CanExportParts(element);
if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.Level.Id, false))
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(setter.GetPlacement());
IFCAnyHandle prodRep = null;
ElementId matId = ElementId.InvalidElementId;
if (!exportParts)
{
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
element, catId, geometryElement, bodyExporterOptions, null, ecData, true);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
{
ecData.ClearOpenings();
return;
}
}
string instanceGUID = GUIDUtil.CreateGUID(element);
string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
Toolkit.IFCPileType pileType = GetPileType(element, ifcEnumType);
IFCAnyHandle pile = IFCInstanceExporter.CreatePile(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(), prodRep, instanceTag, pileType, null);
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, element, pile, productWrapper, setter, setter.GetPlacement(), null);
}
else
{
if (matId != ElementId.InvalidElementId)
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, pile, matId);
}
}
productWrapper.AddElement(element, pile, setter, ecData, true);
OpeningUtil.CreateOpeningsIfNecessary(pile, element, ecData, null,
exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
}
}
tr.Commit();
}
}
/// <summary>
/// Export the individual part (IfcBuildingElementPart).
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="partElement">The part element to export.</param>
/// <param name="geometryElement">The geometry of part.</param>
/// <param name="productWrapper">The ProductWrapper object.</param>
public static void ExportPart(ExporterIFC exporterIFC, Element partElement, ProductWrapper productWrapper,
IFCPlacementSetter placementSetter, IFCAnyHandle originalPlacement, IFCRange range, IFCExtrusionAxes ifcExtrusionAxes,
Element hostElement, ElementId overrideLevelId, bool asBuildingElement)
{
if (!ElementFilteringUtil.IsElementVisible(partElement))
{
return;
}
Part part = partElement as Part;
if (part == null)
{
return;
}
IFCPlacementSetter standalonePlacementSetter = null;
bool standaloneExport = hostElement == null && !asBuildingElement;
ElementId partExportLevel = null;
if (overrideLevelId != null)
{
partExportLevel = overrideLevelId;
}
else if (standaloneExport || asBuildingElement)
{
if (partElement.Level != null)
{
partExportLevel = partElement.Level.Id;
}
}
else
{
if (part.OriginalCategoryId != hostElement.Category.Id)
{
return;
}
partExportLevel = hostElement.Level.Id;
}
if (ExporterCacheManager.PartExportedCache.HasExported(partElement.Id, partExportLevel))
{
return;
}
Options options = GeometryUtil.GetIFCExportGeometryOptions();
View ownerView = partElement.Document.GetElement(partElement.OwnerViewId) as View;
if (ownerView != null)
{
options.View = ownerView;
}
GeometryElement geometryElement = partElement.get_Geometry(options);
if (geometryElement == null)
{
return;
}
try
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
IFCAnyHandle partPlacement = null;
if (standaloneExport || asBuildingElement)
{
Transform orientationTrf = Transform.Identity;
standalonePlacementSetter = IFCPlacementSetter.Create(exporterIFC, partElement, null, orientationTrf, partExportLevel);
partPlacement = standalonePlacementSetter.GetPlacement();
}
else
{
partPlacement = ExporterUtil.CreateLocalPlacement(file, originalPlacement, null);
}
bool validRange = (range != null && !MathUtil.IsAlmostZero(range.Start - range.End));
SolidMeshGeometryInfo solidMeshInfo;
if (validRange)
{
solidMeshInfo = GeometryUtil.GetSplitClippedSolidMeshGeometry(geometryElement, range);
if (solidMeshInfo.GetSolids().Count == 0 && solidMeshInfo.GetMeshes().Count == 0)
{
return;
}
}
else
{
solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement);
}
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
extrusionCreationData.SetLocalPlacement(partPlacement);
extrusionCreationData.ReuseLocalPlacement = false;
extrusionCreationData.PossibleExtrusionAxes = ifcExtrusionAxes;
IList <Solid> solids = solidMeshInfo.GetSolids();
IList <Mesh> meshes = solidMeshInfo.GetMeshes();
ElementId catId = CategoryUtil.GetSafeCategoryId(partElement);
BodyData bodyData = null;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
if (solids.Count > 0 || meshes.Count > 0)
{
bodyData = BodyExporter.ExportBody(exporterIFC, partElement, catId, ElementId.InvalidElementId, solids, meshes,
bodyExporterOptions, extrusionCreationData);
}
else
{
IList <GeometryObject> geomlist = new List <GeometryObject>();
geomlist.Add(geometryElement);
bodyData = BodyExporter.ExportBody(exporterIFC, partElement, catId, ElementId.InvalidElementId, geomlist,
bodyExporterOptions, extrusionCreationData);
}
IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
extrusionCreationData.ClearOpenings();
return;
}
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
representations.Add(bodyRep);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, Transform.Identity);
if (boundingBoxRep != null)
{
representations.Add(boundingBoxRep);
}
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string partGUID = GUIDUtil.CreateGUID(partElement);
string partName = NamingUtil.GetNameOverride(partElement, NamingUtil.GetIFCName(partElement));
string partDescription = NamingUtil.GetDescriptionOverride(partElement, null);
string partObjectType = NamingUtil.GetObjectTypeOverride(partElement, NamingUtil.CreateIFCObjectName(exporterIFC, partElement));
string partTag = NamingUtil.GetTagOverride(partElement, NamingUtil.CreateIFCElementId(partElement));
IFCAnyHandle ifcPart = null;
if (!asBuildingElement)
{
ifcPart = IFCInstanceExporter.CreateBuildingElementPart(file, partGUID, ownerHistory, partName, partDescription,
partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag);
}
else
{
string ifcEnumType;
IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, hostElement, out ifcEnumType);
switch (exportType)
{
case IFCExportType.ExportColumnType:
ifcPart = IFCInstanceExporter.CreateColumn(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag);
break;
case IFCExportType.ExportCovering:
IFCCoveringType coveringType = CeilingExporter.GetIFCCoveringType(hostElement, ifcEnumType);
ifcPart = IFCInstanceExporter.CreateCovering(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, coveringType);
break;
case IFCExportType.ExportFooting:
IFCFootingType footingType = FootingExporter.GetIFCFootingType(hostElement, ifcEnumType);
ifcPart = IFCInstanceExporter.CreateFooting(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, footingType);
break;
case IFCExportType.ExportRoof:
IFCRoofType roofType = RoofExporter.GetIFCRoofType(ifcEnumType);
ifcPart = IFCInstanceExporter.CreateRoof(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, roofType);
break;
case IFCExportType.ExportSlab:
IFCSlabType slabType = FloorExporter.GetIFCSlabType(ifcEnumType);
ifcPart = IFCInstanceExporter.CreateSlab(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, slabType);
break;
case IFCExportType.ExportWall:
ifcPart = IFCInstanceExporter.CreateWall(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag);
break;
default:
ifcPart = IFCInstanceExporter.CreateBuildingElementProxy(file, partGUID, ownerHistory, partName, partDescription,
partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag, null);
break;
}
}
bool containedInLevel = (standaloneExport || asBuildingElement);
IFCPlacementSetter whichPlacementSetter = containedInLevel ? standalonePlacementSetter : placementSetter;
productWrapper.AddElement(partElement, ifcPart, whichPlacementSetter, extrusionCreationData, containedInLevel);
//Add the exported part to exported cache.
TraceExportedParts(partElement, partExportLevel, standaloneExport || asBuildingElement ? ElementId.InvalidElementId : hostElement.Id);
CategoryUtil.CreateMaterialAssociations(exporterIFC, ifcPart, bodyData.MaterialIds);
transaction.Commit();
}
}
}
finally
{
if (standalonePlacementSetter != null)
{
standalonePlacementSetter.Dispose();
}
}
}
