private static void ExportAsMappedItem(ExporterIFC exporterIFC, Element element, IFCFile file, IFCExportType exportType, string ifcEnumType, IFCExtrusionCreationData extraParams,
PlacementSetter setter, IFCAnyHandle localPlacementToUse, IFCAnyHandle productRepresentation, ProductWrapper productWrapper)
{
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
ElementId typeId = element.GetTypeId();
ElementType type = element.Document.GetElement(typeId) as ElementType;
IFCAnyHandle styleHandle = null;
if (type != null)
{
FamilyTypeInfo currentTypeInfo = ExporterCacheManager.TypeObjectsCache.Find(typeId, false, exportType);
bool found = currentTypeInfo.IsValid();
if (!found)
{
string typeObjectType = NamingUtil.CreateIFCObjectName(exporterIFC, type);
HashSet <IFCAnyHandle> propertySetsOpt = new HashSet <IFCAnyHandle>();
IList <IFCAnyHandle> repMapListOpt = new List <IFCAnyHandle>();
styleHandle = FamilyExporterUtil.ExportGenericType(exporterIFC, exportType, ifcEnumType, propertySetsOpt, repMapListOpt, element, type);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(styleHandle))
{
propertySetsOpt = ExporterUtil.ExtractElementTypeProperties(exporterIFC, type, styleHandle);
productWrapper.RegisterHandleWithElementType(type, styleHandle, propertySetsOpt);
string applicableOccurrence = NamingUtil.GetObjectTypeOverride(type, typeObjectType);
if (!string.IsNullOrEmpty(applicableOccurrence))
{
IFCAnyHandleUtil.SetAttribute(styleHandle, "ApplicableOccurrence", applicableOccurrence);
}
currentTypeInfo.Style = styleHandle;
ExporterCacheManager.TypeObjectsCache.Register(typeId, false, exportType, currentTypeInfo);
}
}
else
{
styleHandle = currentTypeInfo.Style;
}
}
string instanceGUID = GUIDUtil.CreateGUID(element);
bool roomRelated = !FamilyExporterUtil.IsDistributionFlowElementSubType(exportType);
ElementId roomId = ElementId.InvalidElementId;
if (roomRelated)
{
roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse);
}
IFCAnyHandle instanceHandle = null;
// For MEP objects
string exportEntityStr = exportType.ToString();
Common.Enums.IFCEntityType exportEntity;
if (String.Compare(exportEntityStr.Substring(exportEntityStr.Length - 4), "Type", true) == 0)
{
exportEntityStr = exportEntityStr.Substring(0, (exportEntityStr.Length - 4));
}
if (Enum.TryParse(exportEntityStr, out exportEntity))
{
// For MEP object creation
instanceHandle = IFCInstanceExporter.CreateGenericIFCEntity(exportEntity, exporterIFC, element, instanceGUID, ownerHistory,
localPlacementToUse, productRepresentation);
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
return;
}
if (roomId != ElementId.InvalidElementId)
{
//exporterIFC.RelateSpatialElement(roomId, instanceHandle);
ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomId, instanceHandle);
productWrapper.AddElement(element, instanceHandle, setter, extraParams, false);
}
else
{
productWrapper.AddElement(element, instanceHandle, setter, extraParams, true);
}
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, element, extraParams, null, exporterIFC, localPlacementToUse, setter, productWrapper);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(styleHandle))
{
ExporterCacheManager.TypeRelationsCache.Add(styleHandle, instanceHandle);
}
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper.GetAllObjects());
ExporterCacheManager.MEPCache.Register(element, instanceHandle);
// add to system export cache
// SystemExporter.ExportSystem(exporterIFC, element, instanceHandle);
}
/// <summary>
/// Exports a family instance as a mapped item.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="familyInstance">The family instance to be exported.</param>
/// <param name="exportType">The export type.</param>
/// <param name="ifcEnumType">The string value represents the IFC type.</param>
/// <param name="wrapper">The ProductWrapper.</param>
/// <param name="overrideLevelId">The level id.</param>
/// <param name="range">The range of this family instance to be exported.</param>
public static void ExportFamilyInstanceAsMappedItem(ExporterIFC exporterIFC,
FamilyInstance familyInstance, IFCExportType exportType, string ifcEnumType,
ProductWrapper wrapper, ElementId overrideLevelId, IFCRange range, IFCAnyHandle parentLocalPlacement)
{
bool exportParts = PartExporter.CanExportParts(familyInstance);
bool isSplit = range != null;
if (exportParts && !PartExporter.CanExportElementInPartExport(familyInstance, isSplit ? overrideLevelId : familyInstance.LevelId, isSplit))
return;
Document doc = familyInstance.Document;
IFCFile file = exporterIFC.GetFile();
// The "originalFamilySymbol" has the right geometry, but should be used as little as possible.
FamilySymbol originalFamilySymbol = ExporterIFCUtils.GetOriginalSymbol(familyInstance);
FamilySymbol familySymbol = familyInstance.Symbol;
if (originalFamilySymbol == null || familySymbol == null)
return;
ProductWrapper familyProductWrapper = ProductWrapper.Create(wrapper);
Options options = GeometryUtil.GetIFCExportGeometryOptions();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
HostObject hostElement = familyInstance.Host as HostObject; //hostElement could be null
ElementId categoryId = CategoryUtil.GetSafeCategoryId(familySymbol);
//string emptyString = "";
string familyName = familySymbol.Name;
string revitObjectType = familyName;
// A Family Instance can have its own copy of geometry, or use the symbol's copy with a transform.
// The routine below tells us whether to use the Instance's copy or the Symbol's copy.
bool useInstanceGeometry = ExporterIFCUtils.UsesInstanceGeometry(familyInstance);
Transform trf = familyInstance.GetTransform();
using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
{
// Extra information if we are exporting a door or a window.
DoorWindowInfo doorWindowInfo = null;
if (exportType == IFCExportType.IfcDoorType)
doorWindowInfo = DoorWindowExporter.CreateDoor(exporterIFC, familyInstance, hostElement, overrideLevelId, trf);
else if (exportType == IFCExportType.IfcWindowType)
doorWindowInfo = DoorWindowExporter.CreateWindow(exporterIFC, familyInstance, hostElement, overrideLevelId, trf);
FamilyTypeInfo typeInfo = new FamilyTypeInfo();
bool flipped = doorWindowInfo != null ? doorWindowInfo.FlippedSymbol : false;
FamilyTypeInfo currentTypeInfo = ExporterCacheManager.TypeObjectsCache.Find(originalFamilySymbol.Id, flipped);
bool found = currentTypeInfo.IsValid();
Family family = familySymbol.Family;
IList<GeometryObject> geomObjects = new List<GeometryObject>();
Transform offsetTransform = null;
Transform doorWindowTrf = Transform.Identity;
// We will create a new mapped type if:
// 1. We are exporting part of a column or in-place wall (range != null), OR
// 2. We are using the instance's copy of the geometry (that it, it has unique geometry), OR
// 3. We haven't already created the type.
bool creatingType = ((range != null) || useInstanceGeometry || !found);
if (creatingType)
{
IFCAnyHandle bodyRepresentation = null;
IFCAnyHandle planRepresentation = null;
IFCAnyHandle dummyPlacement = null;
if (doorWindowInfo != null)
{
doorWindowTrf = ExporterIFCUtils.GetTransformForDoorOrWindow(familyInstance, originalFamilySymbol,
doorWindowInfo.FlippedX, doorWindowInfo.FlippedY);
}
else
{
dummyPlacement = ExporterUtil.CreateLocalPlacement(file, null, null);
extraParams.SetLocalPlacement(dummyPlacement);
}
bool needToCreate2d = ExporterCacheManager.ExportOptionsCache.ExportAnnotations;
GeometryElement exportGeometry =
useInstanceGeometry ? familyInstance.get_Geometry(options) : originalFamilySymbol.get_Geometry(options);
if (!exportParts)
{
using (TransformSetter trfSetter = TransformSetter.Create())
{
if (doorWindowInfo != null)
{
trfSetter.Initialize(exporterIFC, doorWindowTrf);
}
if (exportGeometry == null)
return;
SolidMeshGeometryInfo solidMeshCapsule = null;
if (range == null)
{
solidMeshCapsule = GeometryUtil.GetSplitSolidMeshGeometry(exportGeometry);
}
else
{
solidMeshCapsule = GeometryUtil.GetSplitClippedSolidMeshGeometry(exportGeometry, range);
}
IList<Solid> solids = solidMeshCapsule.GetSolids();
IList<Mesh> polyMeshes = solidMeshCapsule.GetMeshes();
// If we are exporting parts, it is OK to have no geometry here - it will be added by the host Part.
bool hasSolidsOrMeshesInSymbol = (solids.Count > 0 || polyMeshes.Count > 0);
if (range != null && !hasSolidsOrMeshesInSymbol)
return; // no proper split geometry to export.
if (hasSolidsOrMeshesInSymbol)
{
geomObjects = FamilyExporterUtil.RemoveSolidsAndMeshesSetToDontExport(doc, exporterIFC, solids, polyMeshes);
if ((geomObjects.Count == 0))
return; // no proper visible split geometry to export.
}
else
geomObjects.Add(exportGeometry);
bool tryToExportAsExtrusion = (!ExporterCacheManager.ExportOptionsCache.ExportAs2x2 || (exportType == IFCExportType.IfcColumnType));
if (exportType == IFCExportType.IfcColumnType)
{
extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;
if (ExporterCacheManager.ExportOptionsCache.ExportAsCoordinationView2 && solids.Count > 0)
{
LocationPoint point = familyInstance.Location as LocationPoint;
XYZ orig = XYZ.Zero;
if (point != null)
orig = point.Point;
Plane plane = new Plane(XYZ.BasisX, XYZ.BasisY, orig);
bool completelyClipped = false;
HashSet<ElementId> materialIds = null;
bodyRepresentation = ExtrusionExporter.CreateExtrusionWithClipping(exporterIFC, familyInstance,
categoryId, solids, plane, XYZ.BasisZ, null, out completelyClipped, out materialIds);
typeInfo.MaterialIds = materialIds;
}
}
else
{
extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryXYZ;
}
BodyData bodyData = null;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepresentation))
{
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(tryToExportAsExtrusion);
bodyData = BodyExporter.ExportBody(exporterIFC, familyInstance, categoryId, ElementId.InvalidElementId,
geomObjects, bodyExporterOptions, extraParams);
typeInfo.MaterialIds = bodyData.MaterialIds;
bodyRepresentation = bodyData.RepresentationHnd;
offsetTransform = bodyData.OffsetTransform;
}
// We will allow a door or window to be exported without any geometry, or an element with parts.
// Anything else doesn't really make sense.
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepresentation) && (doorWindowInfo == null))
{
extraParams.ClearOpenings();
return;
}
}
// By default: if exporting IFC2x3 or later, export 2D plan rep of family, if it exists, unless we are exporting Coordination View V2.
// This default can be overridden in the export options.
if (needToCreate2d)
{
XYZ curveOffset = new XYZ(0, 0, 0);
if (offsetTransform != null)
curveOffset = -UnitUtil.UnscaleLength(offsetTransform.Origin);
HashSet<IFCAnyHandle> curveSet = new HashSet<IFCAnyHandle>();
{
Transform planeTrf = doorWindowTrf.Inverse;
Plane plane = new Plane(planeTrf.get_Basis(0), planeTrf.get_Basis(1), planeTrf.Origin);
XYZ projDir = new XYZ(0, 0, 1);
IFCGeometryInfo IFCGeometryInfo = IFCGeometryInfo.CreateCurveGeometryInfo(exporterIFC, plane, projDir, true);
ExporterIFCUtils.CollectGeometryInfo(exporterIFC, IFCGeometryInfo, exportGeometry, curveOffset, false);
IList<IFCAnyHandle> curves = IFCGeometryInfo.GetCurves();
foreach (IFCAnyHandle curve in curves)
curveSet.Add(curve);
if (curveSet.Count > 0)
{
IFCAnyHandle contextOfItems2d = exporterIFC.Get2DContextHandle();
IFCAnyHandle curveRepresentationItem = IFCInstanceExporter.CreateGeometricSet(file, curveSet);
HashSet<IFCAnyHandle> bodyItems = new HashSet<IFCAnyHandle>();
bodyItems.Add(curveRepresentationItem);
planRepresentation = RepresentationUtil.CreateGeometricSetRep(exporterIFC, familyInstance, categoryId, "FootPrint",
contextOfItems2d, bodyItems);
}
}
}
}
if (doorWindowInfo != null)
typeInfo.StyleTransform = doorWindowTrf.Inverse;
else
typeInfo.StyleTransform = ExporterIFCUtils.GetUnscaledTransform(exporterIFC, extraParams.GetLocalPlacement());
// for many
HashSet<IFCAnyHandle> propertySets = null;
IFCAnyHandle typeStyle = CreateFamilyTypeHandle(exporterIFC, typeInfo, doorWindowInfo, bodyRepresentation, planRepresentation,
familyInstance, familySymbol, originalFamilySymbol, useInstanceGeometry, exportParts,
exportType, revitObjectType, ifcEnumType, out propertySets);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeStyle))
{
wrapper.RegisterHandleWithElementType(familySymbol, typeStyle, propertySets);
CategoryUtil.CreateMaterialAssociations(exporterIFC, typeStyle, typeInfo.MaterialIds);
typeInfo.Style = typeStyle;
if ((exportType == IFCExportType.IfcColumnType) || (exportType == IFCExportType.IfcMemberType))
{
typeInfo.ScaledArea = extraParams.ScaledArea;
typeInfo.ScaledDepth = extraParams.ScaledLength;
typeInfo.ScaledInnerPerimeter = extraParams.ScaledInnerPerimeter;
typeInfo.ScaledOuterPerimeter = extraParams.ScaledOuterPerimeter;
}
ClassificationUtil.CreateClassification(exporterIFC, file, familySymbol, typeStyle); // Create other generic classification from ClassificationCode(s)
ClassificationUtil.CreateUniformatClassification(exporterIFC, file, originalFamilySymbol, typeStyle);
}
}
if (found && !typeInfo.IsValid())
typeInfo = currentTypeInfo;
// we'll pretend we succeeded, but we'll do nothing.
if (!typeInfo.IsValid())
return;
// add to the map, as long as we are not using range, not using instance geometry, and don't have extra openings.
if ((range == null) && !useInstanceGeometry && (extraParams.GetOpenings().Count == 0))
ExporterCacheManager.TypeObjectsCache.Register(originalFamilySymbol.Id, flipped, typeInfo);
// If we are using the instance geometry, ignore the transformation.
if (useInstanceGeometry)
trf = Transform.Identity;
if ((range != null) && exportParts)
{
XYZ rangeOffset = trf.Origin;
rangeOffset += new XYZ(0, 0, range.Start);
trf.Origin = rangeOffset;
}
Transform originalTrf = new Transform(trf);
XYZ scaledMapOrigin = XYZ.Zero;
trf = trf.Multiply(typeInfo.StyleTransform);
// create instance.
IList<IFCAnyHandle> shapeReps = new List<IFCAnyHandle>();
{
IFCAnyHandle contextOfItems2d = exporterIFC.Get2DContextHandle();
IFCAnyHandle contextOfItems3d = exporterIFC.Get3DContextHandle("Body");
// for proxies, we store the IfcRepresentationMap directly since there is no style.
IFCAnyHandle style = typeInfo.Style;
IList<IFCAnyHandle> repMapList = !IFCAnyHandleUtil.IsNullOrHasNoValue(style) ?
GeometryUtil.GetRepresentationMaps(style) : null;
int numReps = repMapList != null ? repMapList.Count : 0;
IFCAnyHandle repMap2dHnd = typeInfo.Map2DHandle;
IFCAnyHandle repMap3dHnd = typeInfo.Map3DHandle;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(repMap3dHnd) && (numReps > 0))
repMap3dHnd = repMapList[0];
if (IFCAnyHandleUtil.IsNullOrHasNoValue(repMap2dHnd) && (numReps > 1))
repMap2dHnd = repMapList[1];
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repMap3dHnd))
{
ISet<IFCAnyHandle> representations = new HashSet<IFCAnyHandle>();
representations.Add(ExporterUtil.CreateDefaultMappedItem(file, repMap3dHnd, scaledMapOrigin));
IFCAnyHandle shapeRep = RepresentationUtil.CreateBodyMappedItemRep(exporterIFC, familyInstance, categoryId, contextOfItems3d,
representations);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
return;
shapeReps.Add(shapeRep);
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repMap2dHnd))
{
HashSet<IFCAnyHandle> representations = new HashSet<IFCAnyHandle>();
representations.Add(ExporterUtil.CreateDefaultMappedItem(file, repMap2dHnd, scaledMapOrigin));
IFCAnyHandle shapeRep = RepresentationUtil.CreatePlanMappedItemRep(exporterIFC, familyInstance, categoryId, contextOfItems2d,
representations);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
return;
shapeReps.Add(shapeRep);
}
}
IFCAnyHandle boundingBoxRep = null;
Transform boundingBoxTrf = (offsetTransform != null) ? offsetTransform.Inverse : Transform.Identity;
if (geomObjects.Count > 0)
boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomObjects, boundingBoxTrf);
else
{
boundingBoxTrf = boundingBoxTrf.Multiply(trf.Inverse);
boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, familyInstance.get_Geometry(options), boundingBoxTrf);
}
if (boundingBoxRep != null)
shapeReps.Add(boundingBoxRep);
IFCAnyHandle repHnd = (shapeReps.Count > 0) ? IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps) : null;
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, familyInstance, trf, null, overrideLevelId))
{
IFCAnyHandle instanceHandle = null;
IFCAnyHandle localPlacement = setter.LocalPlacement;
// We won't create the instance if:
// (1) we are exporting to CV2.0, (2) we have no 2D, 3D, or bounding box geometry, and (3) we aren't exporting parts.
if (!(repHnd == null && ExporterCacheManager.ExportOptionsCache.ExportAsCoordinationView2 && !exportParts))
{
string instanceGUID = null;
int subElementIndex = ExporterStateManager.GetCurrentRangeIndex();
if (subElementIndex == 0)
instanceGUID = GUIDUtil.CreateGUID(familyInstance);
else if (subElementIndex <= ExporterStateManager.RangeIndexSetter.GetMaxStableGUIDs())
instanceGUID = GUIDUtil.CreateSubElementGUID(familyInstance, subElementIndex + (int)IFCGenericSubElements.SplitInstanceStart - 1);
else
instanceGUID = GUIDUtil.CreateGUID();
string instanceName = NamingUtil.GetNameOverride(familyInstance, NamingUtil.GetIFCName(familyInstance));
string instanceDescription = NamingUtil.GetDescriptionOverride(familyInstance, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(familyInstance, revitObjectType);
string instanceTag = NamingUtil.GetTagOverride(familyInstance, NamingUtil.CreateIFCElementId(familyInstance));
IFCAnyHandle overrideLocalPlacement = null;
bool isChildInContainer = familyInstance.AssemblyInstanceId != ElementId.InvalidElementId;
if (parentLocalPlacement != null)
{
Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(parentLocalPlacement, localPlacement);
Transform inverseTrf = relTrf.Inverse;
IFCAnyHandle plateLocalPlacement = ExporterUtil.CreateLocalPlacement(file, parentLocalPlacement,
inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
overrideLocalPlacement = plateLocalPlacement;
}
instanceHandle = FamilyExporterUtil.ExportGenericInstance(exportType, exporterIFC, familyInstance,
wrapper, setter, extraParams, instanceGUID, ownerHistory, instanceName, instanceDescription, instanceObjectType,
exportParts ? null : repHnd, instanceTag, overrideLocalPlacement);
if (exportParts)
PartExporter.ExportHostPart(exporterIFC, familyInstance, instanceHandle, familyProductWrapper, setter, setter.LocalPlacement, overrideLevelId);
if (ElementFilteringUtil.IsMEPType(exportType) || ElementFilteringUtil.ProxyForMEPType(familyInstance, exportType))
{
ExporterCacheManager.MEPCache.Register(familyInstance, instanceHandle);
// For ducts and pipes, check later if there is an associated duct or pipe.
if (exportType == IFCExportType.IfcDuctFittingType || exportType == IFCExportType.IfcPipeFittingType ||
exportType == IFCExportType.IfcDuctSegmentType || exportType == IFCExportType.IfcPipeSegmentType)
ExporterCacheManager.MEPCache.CoveredElementsCache.Add(familyInstance.Id);
}
switch (exportType)
{
case IFCExportType.IfcColumnType:
{
IFCAnyHandle placementToUse = localPlacement;
if (!useInstanceGeometry)
{
bool needToCreateOpenings = OpeningUtil.NeedToCreateOpenings(instanceHandle, extraParams);
if (needToCreateOpenings)
{
Transform openingTrf = new Transform(originalTrf);
Transform extraRot = new Transform(originalTrf);
extraRot.Origin = XYZ.Zero;
openingTrf = openingTrf.Multiply(extraRot);
openingTrf = openingTrf.Multiply(typeInfo.StyleTransform);
XYZ scaledOrigin = UnitUtil.ScaleLength(openingTrf.Origin);
IFCAnyHandle openingRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, scaledOrigin,
openingTrf.get_Basis(2), openingTrf.get_Basis(0));
IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, localPlacement);
GeometryUtil.SetRelativePlacement(openingPlacement, openingRelativePlacement);
placementToUse = openingPlacement;
}
}
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, offsetTransform,
exporterIFC, placementToUse, setter, wrapper);
//export Base Quantities.
PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, instanceHandle, familyInstance, typeInfo, geomObjects);
break;
}
case IFCExportType.IfcDoorType:
case IFCExportType.IfcWindowType:
{
double doorHeight = GetMinSymbolHeight(originalFamilySymbol);
double doorWidth = GetMinSymbolWidth(originalFamilySymbol);
double height = UnitUtil.ScaleLength(doorHeight);
double width = UnitUtil.ScaleLength(doorWidth);
IFCAnyHandle doorWindowLocalPlacement = !IFCAnyHandleUtil.IsNullOrHasNoValue(overrideLocalPlacement) ?
overrideLocalPlacement : localPlacement;
if (exportType == IFCExportType.IfcDoorType)
instanceHandle = IFCInstanceExporter.CreateDoor(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, doorWindowLocalPlacement,
repHnd, instanceTag, height, width, doorWindowInfo.PreDefinedType,doorWindowInfo.DoorOperationTypeString,
doorWindowInfo.UserDefinedOperationType);
else if (exportType == IFCExportType.IfcWindowType)
instanceHandle = IFCInstanceExporter.CreateWindow(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, doorWindowLocalPlacement,
repHnd, instanceTag, height, width, doorWindowInfo.PreDefinedType, DoorWindowUtil.GetIFCWindowPartitioningType(originalFamilySymbol),
doorWindowInfo.UserDefinedPartitioningType);
wrapper.AddElement(familyInstance, instanceHandle, setter, extraParams, true);
SpaceBoundingElementUtil.RegisterSpaceBoundingElementHandle(exporterIFC, instanceHandle, familyInstance.Id,
setter.LevelId);
IFCAnyHandle placementToUse = doorWindowLocalPlacement;
if (!useInstanceGeometry)
{
// correct the placement to the symbol space
bool needToCreateOpenings = OpeningUtil.NeedToCreateOpenings(instanceHandle, extraParams);
if (needToCreateOpenings)
{
Transform openingTrf = Transform.Identity;
openingTrf.Origin = new XYZ(0, 0, setter.Offset);
openingTrf = openingTrf.Multiply(doorWindowTrf);
XYZ scaledOrigin = UnitUtil.ScaleLength(openingTrf.Origin);
IFCAnyHandle openingLocalPlacement = ExporterUtil.CreateLocalPlacement(file, doorWindowLocalPlacement,
scaledOrigin, openingTrf.BasisZ, openingTrf.BasisX);
placementToUse = openingLocalPlacement;
}
}
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, offsetTransform,
exporterIFC, placementToUse, setter, wrapper);
break;
}
case IFCExportType.IfcMemberType:
{
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, offsetTransform,
exporterIFC, localPlacement, setter, wrapper);
//export Base Quantities.
PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, instanceHandle, familyInstance, typeInfo, null);
break;
}
case IFCExportType.IfcPlateType:
{
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, offsetTransform,
exporterIFC, localPlacement, setter, wrapper);
break;
}
case IFCExportType.IfcTransportElementType:
{
IFCAnyHandle localPlacementToUse;
ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);
string operationTypeStr;
if (ExporterCacheManager.ExportOptionsCache.ExportAs4)
{
// It is PreDefinedType attribute in IFC4
Toolkit.IFC4.IFCTransportElementType operationType = FamilyExporterUtil.GetPreDefinedType<Toolkit.IFC4.IFCTransportElementType>(familyInstance, ifcEnumType);
operationTypeStr = operationType.ToString();
}
else
{
Toolkit.IFCTransportElementType operationType = FamilyExporterUtil.GetPreDefinedType<Toolkit.IFCTransportElementType>(familyInstance, ifcEnumType);
operationTypeStr = operationType.ToString();
}
double capacityByWeight = 0.0;
ParameterUtil.GetDoubleValueFromElementOrSymbol(familyInstance, "IfcCapacityByWeight", out capacityByWeight);
double capacityByNumber = 0.0;
ParameterUtil.GetDoubleValueFromElementOrSymbol(familyInstance, "IfcCapacityByNumber", out capacityByNumber);
instanceHandle = IFCInstanceExporter.CreateTransportElement(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType,
localPlacementToUse, repHnd, instanceTag, operationTypeStr, capacityByWeight, capacityByNumber);
bool containedInSpace = (roomId != ElementId.InvalidElementId);
wrapper.AddElement(familyInstance, instanceHandle, setter, extraParams, !containedInSpace);
if (containedInSpace)
ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomId, instanceHandle);
break;
}
//case IFCExportType.IfcBuildingElementProxy:
//case IFCExportType.IfcBuildingElementProxyType:
default:
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
bool isBuildingElementProxy =
((exportType == IFCExportType.IfcBuildingElementProxy) ||
(exportType == IFCExportType.IfcBuildingElementProxyType));
IFCAnyHandle localPlacementToUse = null;
ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);
if (!isBuildingElementProxy && FamilyExporterUtil.IsDistributionControlElementSubType(exportType))
{
string ifcelementType = null;
ParameterUtil.GetStringValueFromElement(familyInstance.Id, "IfcElementType", out ifcelementType);
instanceHandle = IFCInstanceExporter.CreateDistributionControlElement(file, instanceGUID,
ownerHistory, instanceName, instanceDescription, instanceObjectType,
localPlacementToUse, repHnd, instanceTag, ifcelementType);
}
else
{
instanceHandle = IFCInstanceExporter.CreateBuildingElementProxy(file, instanceGUID,
ownerHistory, instanceName, instanceDescription, instanceObjectType,
localPlacementToUse, repHnd, instanceTag, null);
}
bool containedInSpace = (roomId != ElementId.InvalidElementId);
bool associateToLevel = containedInSpace ? false : !isChildInContainer;
wrapper.AddElement(familyInstance, instanceHandle, setter, extraParams, associateToLevel);
if (containedInSpace)
ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomId, instanceHandle);
}
IFCAnyHandle placementToUse = localPlacement;
if (!useInstanceGeometry)
{
bool needToCreateOpenings = OpeningUtil.NeedToCreateOpenings(instanceHandle, extraParams);
if (needToCreateOpenings)
{
Transform openingTrf = new Transform(originalTrf);
Transform extraRot = new Transform(originalTrf);
extraRot.Origin = XYZ.Zero;
openingTrf = openingTrf.Multiply(extraRot);
openingTrf = openingTrf.Multiply(typeInfo.StyleTransform);
XYZ scaledOrigin = UnitUtil.ScaleLength(openingTrf.Origin);
IFCAnyHandle openingRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, scaledOrigin,
openingTrf.get_Basis(2), openingTrf.get_Basis(0));
IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, localPlacement);
GeometryUtil.SetRelativePlacement(openingPlacement, openingRelativePlacement);
placementToUse = openingPlacement;
}
}
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, offsetTransform,
exporterIFC, placementToUse, setter, wrapper);
break;
}
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
ExporterCacheManager.HandleToElementCache.Register(instanceHandle, familyInstance.Id);
if (!exportParts)
CategoryUtil.CreateMaterialAssociations(exporterIFC, instanceHandle, typeInfo.MaterialIds);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeInfo.Style))
ExporterCacheManager.TypeRelationsCache.Add(typeInfo.Style, instanceHandle);
}
}
if (doorWindowInfo != null)
{
DoorWindowDelayedOpeningCreator delayedCreator = DoorWindowDelayedOpeningCreator.Create(exporterIFC, doorWindowInfo, instanceHandle, setter.LevelId);
if (delayedCreator != null)
ExporterCacheManager.DoorWindowDelayedOpeningCreatorCache.Add(delayedCreator);
}
}
}
}
/// <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="exportType">The export type of the element.
/// <param name="ifcEnumType">The sub-type of the element.</param></param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <returns>True if an entity was created, false otherwise.</returns>
public static bool Export(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
IFCExportType exportType, string ifcEnumType, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
IFCAnyHandle localPlacementToUse = setter.LocalPlacement;
using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
{
extraParams.SetLocalPlacement(localPlacementToUse);
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
BodyData bodyData = null;
IFCAnyHandle productRepresentation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
element, catId, geometryElement, bodyExporterOptions, null, extraParams, out bodyData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(productRepresentation))
{
extraParams.ClearOpenings();
return(false);
}
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 = GUIDUtil.CreateGUID(type);
string typeName = NamingUtil.GetNameOverride(type, NamingUtil.GetIFCName(type));
string typeObjectType = NamingUtil.GetObjectTypeOverride(type, NamingUtil.CreateIFCObjectName(exporterIFC, type));
string applicableOccurence = NamingUtil.GetOverrideStringValue(type, "IfcApplicableOccurrence", typeObjectType);
string typeDescription = NamingUtil.GetDescriptionOverride(type, null);
string typeTag = NamingUtil.GetTagOverride(type, NamingUtil.CreateIFCElementId(type));
string typeElementType = NamingUtil.GetOverrideStringValue(type, "IfcElementType", typeName);
IList <IFCAnyHandle> repMapListOpt = new List <IFCAnyHandle>();
IFCAnyHandle styleHandle = FamilyExporterUtil.ExportGenericType(exporterIFC, exportType, ifcEnumType, typeGUID, typeName,
typeDescription, applicableOccurence, null, repMapListOpt, typeTag, typeElementType, element, type);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(styleHandle))
{
productWrapper.RegisterHandleWithElementType(type, styleHandle, null);
currentTypeInfo.Style = styleHandle;
ExporterCacheManager.TypeObjectsCache.Register(typeId, false, currentTypeInfo);
}
}
string instanceGUID = GUIDUtil.CreateGUID(element);
string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, NamingUtil.CreateIFCObjectName(exporterIFC, element));
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
bool roomRelated = !FamilyExporterUtil.IsDistributionFlowElementSubType(exportType);
ElementId roomId = ElementId.InvalidElementId;
if (roomRelated)
{
roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse);
}
IFCAnyHandle instanceHandle = null;
// For MEP objects
string exportEntityStr = exportType.ToString();
Common.Enums.IFCEntityType exportEntity;
if (String.Compare(exportEntityStr.Substring(exportEntityStr.Length - 4), "Type", true) == 0)
{
exportEntityStr = exportEntityStr.Substring(0, (exportEntityStr.Length - 4));
}
if (Enum.TryParse(exportEntityStr, out exportEntity))
{
// For MEP object creation
instanceHandle = IFCInstanceExporter.CreateGenericIFCEntity(exportEntity, file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
return(false);
}
bool relatedToSpace = (roomId != ElementId.InvalidElementId);
productWrapper.AddElement(element, instanceHandle, setter, extraParams, !relatedToSpace);
if (relatedToSpace)
{
ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomId, instanceHandle);
}
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, element, extraParams, null,
exporterIFC, localPlacementToUse, setter, productWrapper);
if (currentTypeInfo.IsValid())
{
ExporterCacheManager.TypeRelationsCache.Add(currentTypeInfo.Style, instanceHandle);
}
if (bodyData != null && bodyData.MaterialIds.Count != 0)
{
CategoryUtil.CreateMaterialAssociations(exporterIFC, instanceHandle, bodyData.MaterialIds);
}
ExporterCacheManager.MEPCache.Register(element, instanceHandle);
tr.Commit();
}
}
}
return(true);
}
private static bool ExportGenericElementAsMappedItem(ExporterIFC exporterIFC,
Element element, GeometryElement geomElem, IFCExportInfoPair exportType,
ProductWrapper wrapper)
{
GeometryInstance geometryInstance = GetTheGeometryInstance(geomElem);
if (geometryInstance == null)
{
return(false);
}
GeometryElement exportGeometry = geometryInstance.GetSymbolGeometry();
if (exportGeometry == null)
{
return(false);
}
ElementId symbolId = geometryInstance.GetSymbolGeometryId()?.SymbolId ?? ElementId.InvalidElementId;
ElementType elementType = element.Document.GetElement(symbolId) as ElementType;
if (elementType == null)
{
return(false);
}
Transform originalTrf = geometryInstance.Transform;
// Can't handle mirrored transforms yet.
if (originalTrf.HasReflection)
{
return(false);
}
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
IFCFile file = exporterIFC.GetFile();
IList <Transform> repMapTrfList = new List <Transform>();
BodyData bodyData = null;
FamilyTypeInfo typeInfo = new FamilyTypeInfo();
IFCExtrusionCreationData extraParams = typeInfo.extraParams;
Transform offsetTransform = Transform.Identity;
// We will create a new mapped type if we haven't already created the type.
FamilyTypeInfo currentTypeInfo = ExporterCacheManager.FamilySymbolToTypeInfoCache.Find(symbolId, false, exportType);
bool found = currentTypeInfo.IsValid();
if (!found)
{
IList <IFCAnyHandle> representations3D = new List <IFCAnyHandle>();
IFCAnyHandle dummyPlacement = ExporterUtil.CreateLocalPlacement(file, null, null);
extraParams.SetLocalPlacement(dummyPlacement);
using (TransformSetter trfSetter = TransformSetter.Create())
{
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(false, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
bodyData = BodyExporter.ExportBody(exporterIFC, element, categoryId,
ExporterUtil.GetSingleMaterial(element), exportGeometry,
bodyExporterOptions, extraParams);
typeInfo.MaterialIdList = bodyData.MaterialIds;
offsetTransform = bodyData.OffsetTransform;
// This code does not handle openings yet.
// The intention for this is FabricationParts and DirectShapes which do not
// currently have opening.
// If they can have openings in the future, we can add this.
IFCAnyHandle bodyRepHnd = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepHnd) || extraParams.GetOpenings().Count > 0)
{
return(false);
}
representations3D.Add(bodyRepHnd);
repMapTrfList.Add(null);
}
typeInfo.StyleTransform = ExporterIFCUtils.GetUnscaledTransform(exporterIFC,
extraParams.GetLocalPlacement());
IFCAnyHandle typeStyle = FamilyInstanceExporter.CreateTypeEntityHandle(exporterIFC,
ref typeInfo, null, representations3D, repMapTrfList, null,
element, elementType, elementType, false, false,
exportType, out HashSet <IFCAnyHandle> propertySets);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeStyle))
{
wrapper.RegisterHandleWithElementType(elementType, exportType, typeStyle,
propertySets);
typeInfo.Style = typeStyle;
CategoryUtil.TryToCreateMaterialAssocation(exporterIFC, bodyData, elementType,
element, exportGeometry, typeStyle, typeInfo);
// Create other generic classification from ClassificationCode(s)
ClassificationUtil.CreateClassification(exporterIFC, file, elementType, typeStyle);
ClassificationUtil.CreateUniformatClassification(exporterIFC, file, elementType, typeStyle);
}
}
if (found && !typeInfo.IsValid())
{
typeInfo = currentTypeInfo;
}
// we'll pretend we succeeded, but we'll do nothing.
if (!typeInfo.IsValid())
{
return(false);
}
extraParams = typeInfo.extraParams;
// We expect no openings, so always add to map.
ExporterCacheManager.FamilySymbolToTypeInfoCache.Register(symbolId, false, exportType, typeInfo);
XYZ scaledMapOrigin = XYZ.Zero;
Transform scaledTrf = originalTrf.Multiply(typeInfo.StyleTransform);
// create instance.
IList <IFCAnyHandle> shapeReps = FamilyInstanceExporter.CreateShapeRepresentations(exporterIFC,
file, element, categoryId, typeInfo, scaledMapOrigin);
if (shapeReps == null)
{
return(false);
}
Transform boundingBoxTrf = (offsetTransform != null) ? offsetTransform.Inverse : Transform.Identity;
boundingBoxTrf = boundingBoxTrf.Multiply(scaledTrf.Inverse);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomElem, boundingBoxTrf);
if (boundingBoxRep != null)
{
shapeReps.Add(boundingBoxRep);
}
IFCAnyHandle repHnd = (shapeReps.Count > 0) ? IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps) : null;
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, scaledTrf, null))
{
IFCAnyHandle instanceHandle = null;
IFCAnyHandle localPlacement = setter.LocalPlacement;
bool materialAlreadyAssociated = false;
// We won't create the instance if:
// (1) we are exporting to CV2.0/RV, (2) we have no 2D, 3D, or bounding box geometry, and (3) we aren't exporting parts.
if (!(repHnd == null &&
(ExporterCacheManager.ExportOptionsCache.ExportAsCoordinationView2 ||
ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)))
{
string instanceGUID = GUIDUtil.CreateGUID(element);
bool isChildInContainer = element.AssemblyInstanceId != ElementId.InvalidElementId;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
bool isBuildingElementProxy =
((exportType.ExportInstance == IFCEntityType.IfcBuildingElementProxy) ||
(exportType.ExportType == IFCEntityType.IfcBuildingElementProxyType));
ElementId roomId = setter.UpdateRoomRelativeCoordinates(element,
out IFCAnyHandle localPlacementToUse);
bool containedInSpace = (roomId != ElementId.InvalidElementId) && (exportType.ExportInstance != IFCEntityType.IfcSystemFurnitureElement);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
if (!isBuildingElementProxy)
{
instanceHandle = IFCInstanceExporter.CreateGenericIFCEntity(exportType, exporterIFC, element, instanceGUID,
ownerHistory, localPlacementToUse, repHnd);
}
else
{
instanceHandle = IFCInstanceExporter.CreateBuildingElementProxy(exporterIFC, element, instanceGUID,
ownerHistory, localPlacementToUse, repHnd, exportType.ValidatedPredefinedType);
}
bool associateToLevel = !containedInSpace && !isChildInContainer;
wrapper.AddElement(element, instanceHandle, setter, extraParams, associateToLevel, exportType);
if (containedInSpace)
{
ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomId, instanceHandle);
}
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
if (ElementFilteringUtil.IsMEPType(exportType) || ElementFilteringUtil.ProxyForMEPType(element, exportType))
{
ExporterCacheManager.MEPCache.Register(element, instanceHandle);
}
ExporterCacheManager.HandleToElementCache.Register(instanceHandle, element.Id);
if (!materialAlreadyAssociated)
{
// Create material association for the instance only if the the istance geometry is different from the type
// or the type does not have any material association
IFCAnyHandle constituentSetHnd = ExporterCacheManager.MaterialSetCache.FindConstituentSetHnd(symbolId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(constituentSetHnd) &&
bodyData != null && bodyData.RepresentationItemInfo != null && bodyData.RepresentationItemInfo.Count > 0)
{
CategoryUtil.CreateMaterialAssociationWithShapeAspect(exporterIFC, element, instanceHandle, bodyData.RepresentationItemInfo);
}
else
{
// Create material association in case if bodyData is null
CategoryUtil.CreateMaterialAssociation(exporterIFC, instanceHandle, typeInfo.MaterialIdList);
}
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeInfo.Style))
{
ExporterCacheManager.TypeRelationsCache.Add(typeInfo.Style, instanceHandle);
}
}
}
}
return(true);
}