private static ElementId GetStairOrRampHostId(ExporterIFC exporterIFC, Railing railingElem)
{
ElementId returnHostId = ElementId.InvalidElementId;
if (railingElem == null)
{
return(returnHostId);
}
ElementId hostId = railingElem.HostId;
if (hostId == ElementId.InvalidElementId)
{
return(returnHostId);
}
if (!ExporterCacheManager.StairRampContainerInfoCache.ContainsStairRampContainerInfo(hostId))
{
return(returnHostId);
}
Element host = railingElem.Document.GetElement(hostId);
if (host == null)
{
return(returnHostId);
}
if (!(host is Stairs) && !StairsExporter.IsLegacyStairs(host) && !RampExporter.IsRamp(host))
{
return(returnHostId);
}
returnHostId = hostId;
return(returnHostId);
}
/// <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);
}
}