/// <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 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 = ExporterCacheManager.OwnerHistoryHandle;
IFCAnyHandle localPlacement = null;
PlacementSetter placementSetter = null;
IFCLevelInfo levelInfo = null;
bool relateToLevel = true;
string ifcEnumType;
IFCExportInfoPair exportAs = ExporterUtil.GetObjectExportType(exporterIFC, element, out ifcEnumType);
if (exportAs.ExportInstance == IFCEntityType.IfcSystem)
{
string name = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, NamingUtil.GetFamilyAndTypeName(element));
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>()
{
ExporterCacheManager.BuildingHandle
};
string relServicesBuildingsGuid = GUIDUtil.GenerateIFCGuidFrom(IFCEntityType.IfcRelServicesBuildings,
assemblyInstanceHnd);
IFCAnyHandle relServicesBuildings = IFCInstanceExporter.CreateRelServicesBuildings(file,
relServicesBuildingsGuid, ExporterCacheManager.OwnerHistoryHandle, null, null,
assemblyInstanceHnd, relatedBuildings);
relateToLevel = false; // Already related to the building via IfcRelServicesBuildings.
}
else
{
// Check for containment override
IFCAnyHandle overrideContainerHnd = null;
ElementId overrideContainerId = ParameterUtil.OverrideContainmentParameter(exporterIFC, element, out overrideContainerHnd);
using (placementSetter = PlacementSetter.Create(exporterIFC, element, null, null, overrideContainerId, overrideContainerHnd))
{
IFCAnyHandle representation = null;
// We have limited support for exporting assemblies as other container types.
localPlacement = placementSetter.LocalPlacement;
levelInfo = placementSetter.LevelInfo;
switch (exportAs.ExportInstance)
{
case IFCEntityType.IfcCurtainWall:
assemblyInstanceHnd = IFCInstanceExporter.CreateCurtainWall(exporterIFC, element, guid,
ownerHistory, localPlacement, representation, ifcEnumType);
break;
case IFCEntityType.IfcRamp:
string rampPredefinedType = RampExporter.GetIFCRampType(ifcEnumType);
assemblyInstanceHnd = IFCInstanceExporter.CreateRamp(exporterIFC, element, guid,
ownerHistory, localPlacement, representation, rampPredefinedType);
break;
case IFCEntityType.IfcRoof:
assemblyInstanceHnd = IFCInstanceExporter.CreateRoof(exporterIFC, element, guid,
ownerHistory, localPlacement, representation, ifcEnumType);
break;
case IFCEntityType.IfcStair:
string stairPredefinedType = StairsExporter.GetIFCStairType(ifcEnumType);
assemblyInstanceHnd = IFCInstanceExporter.CreateStair(exporterIFC, element, guid,
ownerHistory, localPlacement, representation, stairPredefinedType);
break;
case IFCEntityType.IfcWall:
assemblyInstanceHnd = IFCInstanceExporter.CreateWall(exporterIFC, element, guid,
ownerHistory, localPlacement, representation, ifcEnumType);
break;
default:
string objectType = NamingUtil.GetObjectTypeOverride(element, NamingUtil.GetFamilyAndTypeName(element));
IFCElementAssemblyType assemblyPredefinedType = GetPredefinedTypeFromObjectType(objectType);
assemblyInstanceHnd = IFCInstanceExporter.CreateElementAssembly(exporterIFC, element, guid,
ownerHistory, localPlacement, representation, IFCAssemblyPlace.NotDefined, assemblyPredefinedType);
break;
}
}
}
if (assemblyInstanceHnd == null)
{
return(false);
}
// relateToLevel depends on how the AssemblyInstance is being mapped to IFC, above.
productWrapper.AddElement(element, assemblyInstanceHnd, levelInfo, null, relateToLevel, exportAs);
ExporterCacheManager.AssemblyInstanceCache.RegisterAssemblyInstance(element.Id, assemblyInstanceHnd);
tr.Commit();
return(true);
}
}
