/// <summary>
/// Export the roof to IfcRoof containing its parts.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The roof element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The IFCProductWrapper.</param>
public static void ExportRoofAsParts(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, IFCProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
{
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
IFCAnyHandle localPlacement = setter.GetPlacement();
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
extrusionCreationData.SetLocalPlacement(setter.GetPlacement());
extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryXY;
IFCAnyHandle prodRepHnd = null;
string elementGUID = ExporterIFCUtils.CreateGUID(element);
string origElementName = exporterIFC.GetName();
string elementName = NamingUtil.GetNameOverride(element, origElementName);
string elementDescription = NamingUtil.GetDescriptionOverride(element, null);
string elementObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string elementId = NamingUtil.CreateIFCElementId(element);
//need to convert the string to enum
string ifcEnumType = CategoryUtil.GetIFCEnumTypeName(exporterIFC, element);
IFCAnyHandle roofHandle = IFCInstanceExporter.CreateRoof(file, elementGUID, ownerHistory, elementName, elementDescription, elementObjectType, localPlacement, prodRepHnd, elementId, GetIFCRoofType(ifcEnumType));
// Export the parts
PartExporter.ExportHostPart(exporterIFC, element, roofHandle, productWrapper, setter, localPlacement, null);
productWrapper.AddElement(roofHandle, setter, extrusionCreationData, LevelUtil.AssociateElementToLevel(element));
OpeningUtil.CreateOpeningsIfNecessary(roofHandle, element, extrusionCreationData, exporterIFC, extrusionCreationData.GetLocalPlacement(), setter, productWrapper);
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);
}
transaction.Commit();
}
}
}
/// <summary>
/// Exports a CeilingAndFloor element to IFC.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="floor">The floor element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportCeilingAndFloorElement(ExporterIFC exporterIFC, CeilingAndFloor floorElement, ref GeometryElement geometryElement,
ProductWrapper productWrapper)
{
if (geometryElement == null)
{
return;
}
IFCFile file = exporterIFC.GetFile();
string ifcEnumType;
IFCExportInfoPair exportType = ExporterUtil.GetProductExportType(exporterIFC, floorElement, out ifcEnumType);
if (!ElementFilteringUtil.IsElementVisible(floorElement))
{
return;
}
// Check the intended IFC entity or type name is in the exclude list specified in the UI
IFCEntityType elementClassTypeEnum;
if (Enum.TryParse(exportType.ExportInstance.ToString(), out elementClassTypeEnum) ||
Enum.TryParse(exportType.ExportType.ToString(), out elementClassTypeEnum))
{
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
}
Document doc = floorElement.Document;
using (SubTransaction tempPartTransaction = new SubTransaction(doc))
{
MaterialLayerSetInfo layersetInfo = new MaterialLayerSetInfo(exporterIFC, floorElement, productWrapper);
// For IFC4RV export, Element will be split into its parts(temporarily) in order to export the wall by its parts
// If Parts are created by code and not by user then their names should be equal to Material names.
bool setMaterialNameToPartName = ExporterUtil.CreateParts(floorElement, layersetInfo.MaterialIds.Count, ref geometryElement);
ExporterUtil.ExportPartAs exportPartAs = ExporterUtil.CanExportByComponentsOrParts(floorElement);
bool exportByComponents = exportPartAs == ExporterUtil.ExportPartAs.ShapeAspect;
bool exportParts = exportPartAs == ExporterUtil.ExportPartAs.Part;
if (exportParts && !PartExporter.CanExportElementInPartExport(floorElement, floorElement.LevelId, false))
{
return;
}
using (IFCTransaction tr = new IFCTransaction(file))
{
bool canExportAsContainerOrWithExtrusionAnalyzer = (!exportParts && (floorElement is Floor));
if (canExportAsContainerOrWithExtrusionAnalyzer)
{
// Try to export the Floor slab as a container. If that succeeds, we are done.
// If we do export the floor as a container, it will take care of the local placement and transform there, so we need to leave
// this out of the IFCTransformSetter and PlacementSetter scopes below, or else we'll get double transforms.
IFCAnyHandle floorHnd = RoofExporter.ExportRoofOrFloorAsContainer(exporterIFC, floorElement, geometryElement, productWrapper);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(floorHnd))
{
tr.Commit();
return;
}
}
IList <IFCAnyHandle> slabHnds = new List <IFCAnyHandle>();
IList <IFCAnyHandle> brepSlabHnds = new List <IFCAnyHandle>();
IList <IFCAnyHandle> nonBrepSlabHnds = new List <IFCAnyHandle>();
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
IFCAnyHandle typeHandle = null;
using (IFCTransformSetter transformSetter = IFCTransformSetter.Create())
{
// Check for containment override
IFCAnyHandle overrideContainerHnd = null;
ElementId overrideContainerId = ParameterUtil.OverrideContainmentParameter(exporterIFC, floorElement, out overrideContainerHnd);
using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, floorElement, null, null, overrideContainerId, overrideContainerHnd))
{
IFCAnyHandle localPlacement = placementSetter.LocalPlacement;
// The routine ExportExtrudedSlabOpenings is called if exportedAsInternalExtrusion is true, and it requires having a valid level association.
// Disable calling ExportSlabAsExtrusion if we can't handle potential openings.
bool canExportAsInternalExtrusion = placementSetter.LevelInfo != null && !ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView;
bool exportedAsInternalExtrusion = false;
ElementId catId = CategoryUtil.GetSafeCategoryId(floorElement);
IList <IFCAnyHandle> prodReps = new List <IFCAnyHandle>();
IList <ShapeRepresentationType> repTypes = new List <ShapeRepresentationType>();
IList <IList <CurveLoop> > extrusionLoops = new List <IList <CurveLoop> >();
IList <IFCExtrusionCreationData> loopExtraParams = new List <IFCExtrusionCreationData>();
Plane floorPlane = GeometryUtil.CreateDefaultPlane();
IFCExtrusionCreationData ecData = new IFCExtrusionCreationData();
IList <IFCAnyHandle> localPlacements = new List <IFCAnyHandle>();
if (!exportParts)
{
if (canExportAsContainerOrWithExtrusionAnalyzer)
{
Floor floor = floorElement as Floor;
// Next, try to use the ExtrusionAnalyzer for the limited cases it handles - 1 solid, no openings, end clippings only.
// Also limited to cases with line and arc boundaries.
//
SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement);
IList <Solid> solids = solidMeshInfo.GetSolids();
IList <Mesh> meshes = solidMeshInfo.GetMeshes();
IList <GeometryObject> gObjs = FamilyExporterUtil.RemoveInvisibleSolidsAndMeshes(floorElement.Document, exporterIFC, ref solids, ref meshes);
if (solids.Count == 1 && meshes.Count == 0)
{
// floorExtrusionDirection is set to (0, 0, -1) because extrusionAnalyzerFloorPlane is computed from the top face of the floor
XYZ floorExtrusionDirection = new XYZ(0, 0, -1);
XYZ modelOrigin = XYZ.Zero;
XYZ floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top);
if (floorOrigin == null)
{
// GetVerticalProjectionPoint may return null if FloorFace.Top is an edited face that doesn't
// go through the Revit model origin. We'll try the midpoint of the bounding box instead.
BoundingBoxXYZ boundingBox = floorElement.get_BoundingBox(null);
modelOrigin = (boundingBox.Min + boundingBox.Max) / 2.0;
floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top);
}
if (floorOrigin != null)
{
XYZ floorDir = floor.GetNormalAtVerticalProjectionPoint(floorOrigin, FloorFace.Top);
Plane extrusionAnalyzerFloorBasePlane = GeometryUtil.CreatePlaneByNormalAtOrigin(floorDir);
GenerateAdditionalInfo additionalInfo = GenerateAdditionalInfo.GenerateBody;
additionalInfo |= ExporterCacheManager.ExportOptionsCache.ExportAs4 ?
GenerateAdditionalInfo.GenerateFootprint : GenerateAdditionalInfo.None;
// Skip generate body item for IFC4RV. It will be handled later in PartExporter.ExportHostPartAsShapeAspects()
if (exportByComponents)
{
additionalInfo &= ~GenerateAdditionalInfo.GenerateBody;
}
ExtrusionExporter.ExtraClippingData extraClippingData = null;
HandleAndData floorAndProperties =
ExtrusionExporter.CreateExtrusionWithClippingAndProperties(exporterIFC, floorElement, false,
catId, solids[0], extrusionAnalyzerFloorBasePlane, floorOrigin, floorExtrusionDirection, null,
out extraClippingData,
addInfo: additionalInfo);
if (extraClippingData.CompletelyClipped)
{
return;
}
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
if (floorAndProperties.Handle != null)
{
representations.Add(floorAndProperties.Handle);
repTypes.Add(ShapeRepresentationType.SweptSolid);
}
// Footprint representation will only be exported in export to IFC4
if (((additionalInfo & GenerateAdditionalInfo.GenerateFootprint) != 0) && (floorAndProperties.FootprintInfo != null))
{
IFCAnyHandle footprintShapeRep = floorAndProperties.FootprintInfo.CreateFootprintShapeRepresentation(exporterIFC);
representations.Add(footprintShapeRep);
}
if (exportByComponents)
{
IFCAnyHandle prodRep = RepresentationUtil.CreateProductDefinitionShapeWithoutBodyRep(exporterIFC, floorElement, catId, geometryElement, representations);
prodReps.Add(prodRep);
}
else if (representations.Count > 0 && floorAndProperties.Handle != null) // Only when at least the body rep exists will come here
{
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
prodReps.Add(prodRep);
}
if (floorAndProperties.Data != null)
{
loopExtraParams.Add(floorAndProperties.Data);
}
}
}
}
// Use internal routine as backup that handles openings.
if (prodReps.Count == 0 && canExportAsInternalExtrusion && !exportByComponents)
{
exportedAsInternalExtrusion = ExporterIFCUtils.ExportSlabAsExtrusion(exporterIFC, floorElement,
geometryElement, transformSetter, localPlacement, out localPlacements, out prodReps,
out extrusionLoops, out loopExtraParams, floorPlane);
if (exportedAsInternalExtrusion)
{
AugmentHandleInformation(exporterIFC, floorElement, geometryElement, prodReps);
for (int ii = 0; ii < prodReps.Count; ii++)
{
// all are extrusions
repTypes.Add(ShapeRepresentationType.SweptSolid);
// Footprint representation will only be exported in export to IFC4
if (ExporterCacheManager.ExportOptionsCache.ExportAs4)
{
if (extrusionLoops.Count > ii)
{
if (extrusionLoops[ii].Count > 0)
{
// Get the extrusion footprint using the first Curveloop. Transform needs to be obtained from the returned local placement
Transform lcs = ExporterIFCUtils.GetUnscaledTransform(exporterIFC, localPlacements[ii]);
IFCAnyHandle footprintGeomRepItem = GeometryUtil.CreateIFCCurveFromCurveLoop(exporterIFC, extrusionLoops[ii][0], lcs, floorPlane.Normal);
IFCAnyHandle contextOfItemsFootprint = exporterIFC.Get3DContextHandle("FootPrint");
ISet <IFCAnyHandle> repItem = new HashSet <IFCAnyHandle>();
repItem.Add(footprintGeomRepItem);
IFCAnyHandle footprintShapeRepresentation = RepresentationUtil.CreateBaseShapeRepresentation(exporterIFC, contextOfItemsFootprint, "FootPrint", "Curve2D", repItem);
IList <IFCAnyHandle> reps = new List <IFCAnyHandle>();
reps.Add(footprintShapeRepresentation);
IFCAnyHandleUtil.AddRepresentations(prodReps[ii], reps);
}
}
}
}
}
}
IFCAnyHandle prodDefHnd;
if (prodReps.Count == 0)
{
if (exportByComponents)
{
prodDefHnd = RepresentationUtil.CreateProductDefinitionShapeWithoutBodyRep(exporterIFC, floorElement, catId, geometryElement, null);
prodReps.Add(prodDefHnd);
}
else
{
// Brep representation using tesellation after ExportSlabAsExtrusion does not return prodReps
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.Medium);
BodyData bodyData;
prodDefHnd = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
floorElement, catId, geometryElement, bodyExporterOptions, null, ecData, out bodyData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodDefHnd))
{
ecData.ClearOpenings();
return;
}
prodReps.Add(prodDefHnd);
repTypes.Add(bodyData.ShapeRepresentationType);
}
}
}
// Create the slab from either the extrusion or the BRep information.
string ifcGUID = GUIDUtil.CreateGUID(floorElement);
int numReps = exportParts ? 1 : prodReps.Count;
// Deal with a couple of cases that have non-standard defaults.
switch (exportType.ExportInstance)
{
case IFCEntityType.IfcCovering:
exportType.ValidatedPredefinedType = IFCValidateEntry.GetValidIFCType <IFCCoveringType>(floorElement, ifcEnumType, "FLOORING");
break;
case IFCEntityType.IfcSlab:
{
bool isBaseSlab = false;
AnalyticalToPhysicalAssociationManager manager = AnalyticalToPhysicalAssociationManager.GetAnalyticalToPhysicalAssociationManager(doc);
if (manager != null)
{
ElementId counterPartId = manager.GetAssociatedElementId(floorElement.Id);
if (counterPartId != ElementId.InvalidElementId)
{
Element counterpartElem = doc.GetElement(counterPartId);
if (counterpartElem != null && counterpartElem is AnalyticalElement)
{
AnalyzeAs slabAnalyzeAs = (counterpartElem as AnalyticalElement).AnalyzeAs;
isBaseSlab = (slabAnalyzeAs == AnalyzeAs.SlabOnGrade) || (slabAnalyzeAs == AnalyzeAs.Mat);
}
}
}
exportType.ValidatedPredefinedType = IFCValidateEntry.GetValidIFCType <IFCSlabType>(floorElement, ifcEnumType, isBaseSlab ? "BASESLAB" : "FLOOR");
}
break;
}
for (int ii = 0; ii < numReps; ii++)
{
string ifcName = NamingUtil.GetNameOverride(floorElement, NamingUtil.GetIFCNamePlusIndex(floorElement, ii == 0 ? -1 : ii + 1));
string currentGUID = (ii == 0) ? ifcGUID : GUIDUtil.GenerateIFCGuidFrom(floorElement, "Slab Copy " + ii.ToString());
IFCAnyHandle localPlacementHnd = exportedAsInternalExtrusion ? localPlacements[ii] : localPlacement;
IFCAnyHandle slabHnd = null;
slabHnd = IFCInstanceExporter.CreateGenericIFCEntity(exportType, exporterIFC, floorElement, currentGUID, ownerHistory,
localPlacementHnd, exportParts ? null : prodReps[ii]);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(slabHnd))
{
return;
}
if (!string.IsNullOrEmpty(ifcName))
{
IFCAnyHandleUtil.OverrideNameAttribute(slabHnd, ifcName);
}
// Pre IFC4 Slab does not have PredefinedType
if (!string.IsNullOrEmpty(exportType.ValidatedPredefinedType) && !ExporterCacheManager.ExportOptionsCache.ExportAsOlderThanIFC4)
{
IFCAnyHandleUtil.SetAttribute(slabHnd, "PredefinedType", exportType.ValidatedPredefinedType, true);
}
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, floorElement, slabHnd, productWrapper, placementSetter, localPlacementHnd, null, setMaterialNameToPartName);
}
else if (exportByComponents)
{
IFCExtrusionCreationData partECData = new IFCExtrusionCreationData();
IFCAnyHandle hostShapeRepFromParts = PartExporter.ExportHostPartAsShapeAspects(exporterIFC, floorElement, prodReps[ii],
productWrapper, placementSetter, localPlacement, ElementId.InvalidElementId, layersetInfo, partECData);
loopExtraParams.Add(partECData);
}
slabHnds.Add(slabHnd);
// For IFC4RV, export of the geometry is already handled in PartExporter.ExportHostPartAsShapeAspects()
if (!exportParts && !exportByComponents)
{
if (repTypes[ii] == ShapeRepresentationType.Brep || repTypes[ii] == ShapeRepresentationType.Tessellation)
{
brepSlabHnds.Add(slabHnd);
}
else
{
nonBrepSlabHnds.Add(slabHnd);
}
}
OpeningUtil.CreateOpeningsIfNecessary(slabHnd, floorElement, ecData, null,
exporterIFC, localPlacement, placementSetter, productWrapper);
}
typeHandle = ExporterUtil.CreateGenericTypeFromElement(floorElement, exportType, file, ownerHistory, exportType.ValidatedPredefinedType, productWrapper);
for (int ii = 0; ii < numReps; ii++)
{
IFCExtrusionCreationData loopExtraParam = ii < loopExtraParams.Count ? loopExtraParams[ii] : null;
productWrapper.AddElement(floorElement, slabHnds[ii], placementSetter, loopExtraParam, true, exportType);
ExporterCacheManager.TypeRelationsCache.Add(typeHandle, slabHnds[ii]);
ExporterUtil.AddIntoComplexPropertyCache(slabHnds[ii], layersetInfo);
}
// This call to the native function appears to create Brep opening also when appropriate. But the creation of the IFC instances is not
// controllable from the managed code. Therefore in some cases BRep geometry for Opening will still be exported even in the Reference View
if (exportedAsInternalExtrusion)
{
ISet <IFCAnyHandle> oldCreatedObjects = productWrapper.GetAllObjects();
ExporterIFCUtils.ExportExtrudedSlabOpenings(exporterIFC, floorElement, placementSetter.LevelInfo,
localPlacements[0], slabHnds, extrusionLoops, floorPlane, productWrapper.ToNative());
ISet <IFCAnyHandle> newCreatedObjects = productWrapper.GetAllObjects();
newCreatedObjects.ExceptWith(oldCreatedObjects);
AugmentHandleInformation(exporterIFC, floorElement, geometryElement, newCreatedObjects);
}
}
if (!exportParts)
{
if (ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)
{
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, floorElement, productWrapper.GetAnElement(),
geometryElement, productWrapper, ElementId.InvalidElementId, IFCLayerSetDirection.Axis3, false, typeHandle);
}
else
{
if (nonBrepSlabHnds.Count > 0)
{
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, floorElement, nonBrepSlabHnds,
geometryElement, productWrapper, ElementId.InvalidElementId, IFCLayerSetDirection.Axis3, false, typeHandle);
}
if (brepSlabHnds.Count > 0)
{
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, floorElement, brepSlabHnds,
geometryElement, productWrapper, ElementId.InvalidElementId, IFCLayerSetDirection.Axis3, true, typeHandle);
}
}
}
}
tr.Commit();
return;
}
}
}
/// <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="productWrapper">
/// The IFCProductWrapper.
/// </param>
public static void Export(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, IFCProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
string ifcEnumType;
IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType);
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
{
IFCAnyHandle localPlacementToUse = setter.GetPlacement();
using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
{
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
IFCAnyHandle productRepresentation = RepresentationUtil.CreateBRepProductDefinitionShape(element.Document.Application,
exporterIFC, element, catId, geometryElement, bodyExporterOptions, null, extraParams);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(productRepresentation))
{
extraParams.ClearOpenings();
return;
}
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 = ExporterIFCUtils.CreateGUID(type);
string origTypeName = exporterIFC.GetName();
string typeName = NamingUtil.GetNameOverride(type, origTypeName);
string typeObjectType = NamingUtil.CreateIFCObjectName(exporterIFC, type);
string applicableOccurance = NamingUtil.GetObjectTypeOverride(type, typeObjectType);
string typeDescription = NamingUtil.GetDescriptionOverride(type, null);
string typeElemId = NamingUtil.CreateIFCElementId(type);
HashSet <IFCAnyHandle> propertySetsOpt = new HashSet <IFCAnyHandle>();
IList <IFCAnyHandle> repMapListOpt = new List <IFCAnyHandle>();
IFCAnyHandle styleHandle = FamilyExporterUtil.ExportGenericType(file, exportType, ifcEnumType, typeGUID, ownerHistory, typeName,
typeDescription, applicableOccurance, propertySetsOpt, repMapListOpt, typeElemId, typeName, element, type);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(styleHandle))
{
currentTypeInfo.Style = styleHandle;
ExporterCacheManager.TypeObjectsCache.Register(typeId, false, currentTypeInfo);
}
}
string instanceGUID = ExporterIFCUtils.CreateGUID(element);
string origInstanceName = exporterIFC.GetName();
string instanceName = NamingUtil.GetNameOverride(element, origInstanceName);
string objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, objectType);
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceElemId = NamingUtil.CreateIFCElementId(element);
bool roomRelated = !FamilyExporterUtil.IsDistributionFlowElementSubType(exportType);
ElementId roomId = ElementId.InvalidElementId;
if (roomRelated)
{
roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse);
}
IFCAnyHandle instanceHandle = null;
if (FamilyExporterUtil.IsFurnishingElementSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateFurnishingElement(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
}
else if (FamilyExporterUtil.IsDistributionFlowElementSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateDistributionFlowElement(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
}
else if (FamilyExporterUtil.IsEnergyConversionDeviceSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateEnergyConversionDevice(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
}
else if (FamilyExporterUtil.IsFlowFittingSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateFlowFitting(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
}
else if (FamilyExporterUtil.IsFlowMovingDeviceSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateFlowMovingDevice(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
}
else if (FamilyExporterUtil.IsFlowSegmentSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateFlowSegment(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
}
else if (FamilyExporterUtil.IsFlowStorageDeviceSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateFlowStorageDevice(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
}
else if (FamilyExporterUtil.IsFlowTerminalSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateFlowTerminal(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
}
else if (FamilyExporterUtil.IsFlowTreatmentDeviceSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateFlowTreatmentDevice(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
}
else if (FamilyExporterUtil.IsFlowControllerSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateFlowController(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
return;
}
if (roomId != ElementId.InvalidElementId)
{
exporterIFC.RelateSpatialElement(roomId, instanceHandle);
productWrapper.AddElement(instanceHandle, setter, extraParams, false);
}
else
{
productWrapper.AddElement(instanceHandle, setter, extraParams, LevelUtil.AssociateElementToLevel(element));
}
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, element, extraParams, exporterIFC, localPlacementToUse, setter, productWrapper);
if (currentTypeInfo.IsValid())
{
ExporterCacheManager.TypeRelationsCache.Add(currentTypeInfo.Style, instanceHandle);
}
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);
ExporterCacheManager.MEPCache.Register(element, instanceHandle);
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,
PlacementSetter 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;
}
if (!asBuildingElement)
{
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum;
if (Enum.TryParse <Common.Enums.IFCEntityType>("IfcBuildingElementPart", out elementClassTypeEnum))
{
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
}
}
else
{
string ifcEnumType = null;
IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, hostElement, out ifcEnumType);
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum;
if (Enum.TryParse <Common.Enums.IFCEntityType>(exportType.ToString(), out elementClassTypeEnum))
{
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
}
}
PlacementSetter standalonePlacementSetter = null;
bool standaloneExport = hostElement == null && !asBuildingElement;
ElementId partExportLevel = null;
if (standaloneExport || asBuildingElement)
{
partExportLevel = partElement.LevelId;
}
else
{
if (part.OriginalCategoryId != hostElement.Category.Id)
{
return;
}
partExportLevel = hostElement.LevelId;
}
if (overrideLevelId != null)
{
partExportLevel = overrideLevelId;
}
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 = PlacementSetter.Create(exporterIFC, partElement, null, orientationTrf, partExportLevel);
partPlacement = standalonePlacementSetter.LocalPlacement;
}
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);
ElementId hostCatId = CategoryUtil.GetSafeCategoryId(hostElement);
BodyData bodyData = null;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
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 = ExporterCacheManager.OwnerHistoryHandle;
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 = null;
IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, hostElement, out ifcEnumType);
string defaultValue = null;
// This replicates old functionality before IFC4 addition, where the default for slab was "FLOOR".
// Really the export layer table should be fixed for this case.
if (string.IsNullOrWhiteSpace(ifcEnumType) && hostCatId == new ElementId(BuiltInCategory.OST_Floors))
{
ifcEnumType = "FLOOR";
}
ifcEnumType = IFCValidateEntry.GetValidIFCType(hostElement, ifcEnumType, defaultValue);
switch (exportType)
{
case IFCExportType.IfcColumnType:
ifcPart = IFCInstanceExporter.CreateColumn(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType);
break;
case IFCExportType.IfcCovering:
ifcPart = IFCInstanceExporter.CreateCovering(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType);
break;
case IFCExportType.IfcFooting:
ifcPart = IFCInstanceExporter.CreateFooting(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType);
break;
case IFCExportType.IfcPile:
ifcPart = IFCInstanceExporter.CreatePile(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType, null);
break;
case IFCExportType.IfcRoof:
ifcPart = IFCInstanceExporter.CreateRoof(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType);
break;
case IFCExportType.IfcSlab:
ifcPart = IFCInstanceExporter.CreateSlab(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType);
break;
case IFCExportType.IfcWall:
ifcPart = IFCInstanceExporter.CreateWall(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType);
break;
default:
ifcPart = IFCInstanceExporter.CreateBuildingElementProxy(file, partGUID, ownerHistory, partName, partDescription,
partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag, null);
break;
}
}
bool containedInLevel = (standaloneExport || asBuildingElement);
PlacementSetter whichPlacementSetter = containedInLevel ? standalonePlacementSetter : placementSetter;
productWrapper.AddElement(partElement, ifcPart, whichPlacementSetter, extrusionCreationData, containedInLevel);
OpeningUtil.CreateOpeningsIfNecessary(ifcPart, partElement, extrusionCreationData, bodyData.OffsetTransform, exporterIFC,
extrusionCreationData.GetLocalPlacement(), whichPlacementSetter, productWrapper);
//Add the exported part to exported cache.
TraceExportedParts(partElement, partExportLevel, standaloneExport || asBuildingElement ? ElementId.InvalidElementId : hostElement.Id);
CategoryUtil.CreateMaterialAssociation(exporterIFC, ifcPart, bodyData.MaterialIds);
transaction.Commit();
}
}
}
finally
{
if (standalonePlacementSetter != null)
{
standalonePlacementSetter.Dispose();
}
}
}
/// <summary>
/// Exports a roof or floor as a container of multiple roof slabs. Returns the handle, if successful.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="ifcEnumType">The roof type.</param>
/// <param name="element">The roof or floor element.</param>
/// <param name="geometry">The geometry of the element.</param>
/// <param name="productWrapper">The product wrapper.</param>
/// <returns>The roof handle.</returns>
/// <remarks>For floors, if there is only one component, return null, as we do not want to create a container.</remarks>
public static IFCAnyHandle ExportRoofOrFloorAsContainer(ExporterIFC exporterIFC, string ifcEnumType, Element element, GeometryElement geometry, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
// We support ExtrusionRoofs, FootPrintRoofs, and Floors only.
bool elementIsRoof = (element is ExtrusionRoof) || (element is FootPrintRoof);
bool elementIsFloor = (element is Floor);
if (!elementIsRoof && !elementIsFloor)
{
return(null);
}
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
IFCAnyHandle localPlacement = setter.LocalPlacement;
IList <HostObjectSubcomponentInfo> hostObjectSubcomponents = null;
try
{
hostObjectSubcomponents = ExporterIFCUtils.ComputeSubcomponents(element as HostObject);
}
catch
{
return(null);
}
if (hostObjectSubcomponents == null)
{
return(null);
}
int numSubcomponents = hostObjectSubcomponents.Count;
if (numSubcomponents == 0 || (elementIsFloor && numSubcomponents == 1))
{
return(null);
}
try
{
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
extrusionCreationData.SetLocalPlacement(localPlacement);
extrusionCreationData.ReuseLocalPlacement = true;
using (TransformSetter trfSetter = TransformSetter.Create())
{
IList <GeometryObject> geometryList = new List <GeometryObject>();
geometryList.Add(geometry);
trfSetter.InitializeFromBoundingBox(exporterIFC, geometryList, extrusionCreationData);
IFCAnyHandle prodRepHnd = null;
string elementGUID = GUIDUtil.CreateGUID(element);
string elementName = NamingUtil.GetIFCName(element);
string elementDescription = NamingUtil.GetDescriptionOverride(element, null);
string elementObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string elementId = NamingUtil.CreateIFCElementId(element);
string hostObjectType = IFCValidateEntry.GetValidIFCType(element, ifcEnumType);
IFCAnyHandle hostObjectHandle = null;
if (elementIsRoof)
{
hostObjectHandle = IFCInstanceExporter.CreateRoof(file, elementGUID, ownerHistory, elementName, elementDescription,
elementObjectType, localPlacement, prodRepHnd, elementId, hostObjectType);
}
else
{
hostObjectHandle = IFCInstanceExporter.CreateSlab(file, elementGUID, ownerHistory, elementName, elementDescription,
elementObjectType, localPlacement, prodRepHnd, elementId, hostObjectType);
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(hostObjectHandle))
{
return(null);
}
IList <IFCAnyHandle> elementHandles = new List <IFCAnyHandle>();
elementHandles.Add(hostObjectHandle);
// If element is floor, then the profile curve loop of hostObjectSubComponent is computed from the top face of the floor
// else if element is roof, then the profile curve loop is taken from the bottom face of the roof instead
XYZ extrusionDir = elementIsFloor ? new XYZ(0, 0, -1) : new XYZ(0, 0, 1);
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
IList <IFCAnyHandle> slabHandles = new List <IFCAnyHandle>();
IList <CurveLoop> hostObjectOpeningLoops = new List <CurveLoop>();
double maximumScaledDepth = 0.0;
using (IFCExtrusionCreationData slabExtrusionCreationData = new IFCExtrusionCreationData())
{
slabExtrusionCreationData.SetLocalPlacement(extrusionCreationData.GetLocalPlacement());
slabExtrusionCreationData.ReuseLocalPlacement = false;
slabExtrusionCreationData.ForceOffset = true;
int loopNum = 0;
int subElementStart = elementIsRoof ? (int)IFCRoofSubElements.RoofSlabStart : (int)IFCSlabSubElements.SubSlabStart;
string subSlabType = elementIsRoof ? "ROOF" : hostObjectType;
foreach (HostObjectSubcomponentInfo hostObjectSubcomponent in hostObjectSubcomponents)
{
trfSetter.InitializeFromBoundingBox(exporterIFC, geometryList, slabExtrusionCreationData);
Plane plane = hostObjectSubcomponent.GetPlane();
Transform lcs = GeometryUtil.CreateTransformFromPlane(plane);
IList <CurveLoop> curveLoops = new List <CurveLoop>();
CurveLoop slabCurveLoop = hostObjectSubcomponent.GetCurveLoop();
curveLoops.Add(slabCurveLoop);
double slope = Math.Abs(plane.Normal.Z);
double scaledDepth = UnitUtil.ScaleLength(hostObjectSubcomponent.Depth);
double scaledExtrusionDepth = scaledDepth * slope;
IFCAnyHandle shapeRep = ExtrusionExporter.CreateExtrudedSolidFromCurveLoop(exporterIFC, null, curveLoops, lcs, extrusionDir, scaledExtrusionDepth, false);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
{
return(null);
}
ElementId matId = HostObjectExporter.GetFirstLayerMaterialId(element as HostObject);
BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, element.Document, shapeRep, matId);
HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>();
bodyItems.Add(shapeRep);
shapeRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, element, catId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null);
IList <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>();
shapeReps.Add(shapeRep);
IFCAnyHandle repHnd = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
// Allow support for up to 256 named IfcSlab components, as defined in IFCSubElementEnums.cs.
string slabGUID = (loopNum < 256) ? GUIDUtil.CreateSubElementGUID(element, subElementStart + loopNum) : GUIDUtil.CreateGUID();
IFCAnyHandle slabPlacement = ExporterUtil.CreateLocalPlacement(file, slabExtrusionCreationData.GetLocalPlacement(), null);
IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, slabGUID, ownerHistory, elementName,
elementDescription, elementObjectType, slabPlacement, repHnd, elementId, subSlabType);
//slab quantities
slabExtrusionCreationData.ScaledLength = scaledExtrusionDepth;
slabExtrusionCreationData.ScaledArea = UnitUtil.ScaleArea(UnitUtil.ScaleArea(hostObjectSubcomponent.AreaOfCurveLoop));
slabExtrusionCreationData.ScaledOuterPerimeter = UnitUtil.ScaleLength(curveLoops[0].GetExactLength());
slabExtrusionCreationData.Slope = UnitUtil.ScaleAngle(MathUtil.SafeAcos(Math.Abs(slope)));
productWrapper.AddElement(null, slabHnd, setter, slabExtrusionCreationData, false);
elementHandles.Add(slabHnd);
slabHandles.Add(slabHnd);
hostObjectOpeningLoops.Add(slabCurveLoop);
maximumScaledDepth = Math.Max(maximumScaledDepth, scaledDepth);
loopNum++;
}
}
productWrapper.AddElement(element, hostObjectHandle, setter, extrusionCreationData, true);
ExporterUtil.RelateObjects(exporterIFC, null, hostObjectHandle, slabHandles);
OpeningUtil.AddOpeningsToElement(exporterIFC, elementHandles, hostObjectOpeningLoops, element, null, maximumScaledDepth,
null, setter, localPlacement, productWrapper);
transaction.Commit();
return(hostObjectHandle);
}
}
}
finally
{
exporterIFC.ClearFaceWithElementHandleMap();
}
}
}
}
/// <summary>
/// Exports an element to IFC footing.
/// </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 ExportFooting(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.LevelId, false))
{
return;
}
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum;
if (Enum.TryParse <Common.Enums.IFCEntityType>("IfcFooting", out elementClassTypeEnum))
{
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(setter.LocalPlacement);
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, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
element, catId, geometryElement, bodyExporterOptions, null, ecData, true);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
{
ecData.ClearOpenings();
return;
}
}
string instanceGUID = GUIDUtil.CreateGUID(element);
string footingType = GetIFCFootingType(ifcEnumType); // need to keep it for legacy support when original data follows slightly diff naming
footingType = IFCValidateEntry.GetValidIFCType(element, footingType);
IFCAnyHandle footing = IFCInstanceExporter.CreateFooting(exporterIFC, element, instanceGUID, ExporterCacheManager.OwnerHistoryHandle,
ecData.GetLocalPlacement(), prodRep, footingType);
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, element, footing, productWrapper, setter, setter.LocalPlacement, null);
}
else
{
if (matId != ElementId.InvalidElementId)
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, footing, matId);
}
}
productWrapper.AddElement(element, footing, setter, ecData, true);
OpeningUtil.CreateOpeningsIfNecessary(footing, element, ecData, null,
exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
}
}
tr.Commit();
}
}
/// <summary>
/// Exports a roof to IfcRoof.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="ifcEnumType">The roof type.</param>
/// <param name="roof">The roof element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportRoof(ExporterIFC exporterIFC, string ifcEnumType, Element roof, GeometryElement geometryElement,
ProductWrapper productWrapper)
{
if (roof == null || geometryElement == null)
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, roof))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
// If the roof is an in-place family, we will allow any arbitrary orientation. While this may result in some
// in-place "cubes" exporting with the wrong direction, it is unlikely that an in-place family would be
// used for this reason in the first place.
ecData.PossibleExtrusionAxes = (roof is FamilyInstance) ? IFCExtrusionAxes.TryXYZ : IFCExtrusionAxes.TryZ;
ecData.AreInnerRegionsOpenings = true;
ecData.SetLocalPlacement(placementSetter.LocalPlacement);
ElementId categoryId = CategoryUtil.GetSafeCategoryId(roof);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
BodyData bodyData;
IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, roof,
categoryId, geometryElement, bodyExporterOptions, null, ecData, out bodyData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
{
ecData.ClearOpenings();
return;
}
bool exportSlab = ecData.ScaledLength > MathUtil.Eps();
string guid = GUIDUtil.CreateGUID(roof);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
//string predefinedType = GetIFCRoofType(ifcEnumType);
string predefinedType = IFCValidateEntry.GetValidIFCPredefinedTypeType(ifcEnumType, "NOTDEFINED", IFCEntityType.IfcRoofType.ToString());
IFCAnyHandle roofHnd = IFCInstanceExporter.CreateRoof(exporterIFC, roof, guid, ownerHistory,
localPlacement, exportSlab ? null : representation, predefinedType);
// Export IfcRoofType
IFCExportInfoPair exportInfo = new IFCExportInfoPair(IFCEntityType.IfcRoof, IFCEntityType.IfcRoofType, predefinedType);
if (exportInfo.ExportType != IFCEntityType.UnKnown)
{
string overridePDefType;
if (ParameterUtil.GetStringValueFromElementOrSymbol(roof, "IfcExportType", out overridePDefType) == null) // change IFCType to consistent parameter of IfcExportType
{
if (ParameterUtil.GetStringValueFromElementOrSymbol(roof, "IfcType", out overridePDefType) == null) // support IFCType for legacy support
{
if (string.IsNullOrEmpty(predefinedType))
{
predefinedType = "NOTDEFINED";
}
}
}
if (!string.IsNullOrEmpty(overridePDefType))
{
exportInfo.ValidatedPredefinedType = overridePDefType;
}
else
{
exportInfo.ValidatedPredefinedType = predefinedType;
}
IFCAnyHandle typeHnd = ExporterUtil.CreateGenericTypeFromElement(roof, exportInfo, file, ownerHistory, predefinedType, productWrapper);
ExporterCacheManager.TypeRelationsCache.Add(typeHnd, roofHnd);
}
productWrapper.AddElement(roof, roofHnd, placementSetter.LevelInfo, ecData, true);
// will export its host object materials later if it is a roof
if (!(roof is RoofBase))
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, roofHnd, bodyData.MaterialIds);
}
if (exportSlab)
{
string slabGUID = GUIDUtil.CreateSubElementGUID(roof, (int)IFCRoofSubElements.RoofSlabStart);
string slabName = IFCAnyHandleUtil.GetStringAttribute(roofHnd, "Name") + ":1";
IFCAnyHandle slabLocalPlacementHnd = ExporterUtil.CopyLocalPlacement(file, localPlacement);
IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(exporterIFC, roof, slabGUID, ownerHistory,
slabLocalPlacementHnd, representation, slabRoofPredefinedType);
IFCAnyHandleUtil.OverrideNameAttribute(slabHnd, slabName);
Transform offsetTransform = (bodyData != null) ? bodyData.OffsetTransform : Transform.Identity;
OpeningUtil.CreateOpeningsIfNecessary(slabHnd, roof, ecData, offsetTransform,
exporterIFC, slabLocalPlacementHnd, placementSetter, productWrapper);
ExporterUtil.RelateObject(exporterIFC, roofHnd, slabHnd);
productWrapper.AddElement(null, slabHnd, placementSetter.LevelInfo, ecData, false);
CategoryUtil.CreateMaterialAssociation(exporterIFC, slabHnd, bodyData.MaterialIds);
// Create type
IFCExportInfoPair slabRoofExportType = new IFCExportInfoPair();
slabRoofExportType.SetValueWithPair(IFCEntityType.IfcSlab);
IFCAnyHandle slabRoofTypeHnd = ExporterUtil.CreateGenericTypeFromElement(roof, slabRoofExportType, exporterIFC.GetFile(), ownerHistory, slabRoofPredefinedType, productWrapper);
ExporterCacheManager.TypeRelationsCache.Add(slabRoofTypeHnd, slabHnd);
}
}
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>
/// <param name="placementSetter"></param>
/// <param name="originalPlacement"></param>
/// <param name="range"></param>
/// <param name="ifcExtrusionAxes"></param>
/// <param name="hostElement">The host of the part. This can be null.</param>
/// <param name="overrideLevelId">The id of the level that the part is one, overridding other sources.</param>
/// <param name="asBuildingElement">If true, export the Part as a building element instead of an IfcElementPart.</param>
public static void ExportPart(ExporterIFC exporterIFC, Element partElement, ProductWrapper productWrapper,
PlacementSetter 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;
}
// We don't know how to export a part as a building element if we don't know it's host.
if (asBuildingElement && (hostElement == null))
{
return;
}
if (!asBuildingElement)
{
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcBuildingElementPart;
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
}
else
{
string ifcEnumType = null;
IFCExportInfoPair exportType = ExporterUtil.GetExportType(exporterIFC, hostElement, out ifcEnumType);
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum;
if (Enum.TryParse <Common.Enums.IFCEntityType>(exportType.ToString(), out elementClassTypeEnum))
{
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
}
}
PlacementSetter standalonePlacementSetter = null;
bool standaloneExport = hostElement == null || asBuildingElement;
ElementId partExportLevelId = (overrideLevelId != null) ? overrideLevelId : null;
if (partExportLevelId == null && standaloneExport)
{
partExportLevelId = partElement.LevelId;
}
if (partExportLevelId == null)
{
if (hostElement == null || (part.OriginalCategoryId != hostElement.Category.Id))
{
return;
}
partExportLevelId = hostElement.LevelId;
}
if (ExporterCacheManager.PartExportedCache.HasExported(partElement.Id, partExportLevelId))
{
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)
{
Transform orientationTrf = Transform.Identity;
IFCAnyHandle overrideContainerHnd = null;
ElementId overrideContainerId = ParameterUtil.OverrideContainmentParameter(exporterIFC, partElement, out overrideContainerHnd);
if (overrideContainerId != ElementId.InvalidElementId && (partExportLevelId == null || partExportLevelId == ElementId.InvalidElementId))
{
partExportLevelId = overrideContainerId;
}
standalonePlacementSetter = PlacementSetter.Create(exporterIFC, partElement, null, orientationTrf, partExportLevelId, overrideContainerHnd);
partPlacement = standalonePlacementSetter.LocalPlacement;
}
else
{
//partPlacement = ExporterUtil.CreateLocalPlacement(file, null, null);
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 = new List <Solid>();;
IList <Mesh> meshes = new List <Mesh>();
IList <GeometryObject> gObjs = FamilyExporterUtil.RemoveInvisibleSolidsAndMeshes(partElement.Document, exporterIFC, solidMeshInfo.GetSolids(), solidMeshInfo.GetMeshes());
foreach (GeometryObject gObj in gObjs)
{
if (gObj is Solid)
{
solids.Add(gObj as Solid);
}
else if (gObj is Mesh)
{
meshes.Add(gObj as Mesh);
}
}
ElementId catId = CategoryUtil.GetSafeCategoryId(partElement);
ElementId hostCatId = CategoryUtil.GetSafeCategoryId(hostElement);
BodyData bodyData = null;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
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 = ExporterCacheManager.OwnerHistoryHandle;
string partGUID = GUIDUtil.CreateGUID(partElement);
string ifcEnumType = null;
IFCExportInfoPair exportType = ExporterUtil.GetExportType(exporterIFC, hostElement, out ifcEnumType);
IFCAnyHandle ifcPart = null;
if (!asBuildingElement)
{
ifcPart = IFCInstanceExporter.CreateBuildingElementPart(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep);
}
else
{
switch (exportType.ExportInstance)
{
case IFCEntityType.IfcColumn:
ifcPart = IFCInstanceExporter.CreateColumn(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep, ifcEnumType);
break;
case IFCEntityType.IfcCovering:
ifcPart = IFCInstanceExporter.CreateCovering(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep, ifcEnumType);
break;
case IFCEntityType.IfcFooting:
ifcPart = IFCInstanceExporter.CreateFooting(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep, ifcEnumType);
break;
case IFCEntityType.IfcPile:
ifcPart = IFCInstanceExporter.CreatePile(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep, ifcEnumType, null);
break;
case IFCEntityType.IfcRoof:
ifcPart = IFCInstanceExporter.CreateRoof(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep, ifcEnumType);
break;
case IFCEntityType.IfcSlab:
{
// TODO: fix this elsewhere.
if (ExporterUtil.IsNotDefined(ifcEnumType))
{
if (hostCatId == new ElementId(BuiltInCategory.OST_Floors))
{
ifcEnumType = "FLOOR";
}
else if (hostCatId == new ElementId(BuiltInCategory.OST_Roofs))
{
ifcEnumType = "ROOF";
}
}
ifcPart = IFCInstanceExporter.CreateSlab(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep, ifcEnumType);
}
break;
case IFCEntityType.IfcWall:
ifcPart = IFCInstanceExporter.CreateWall(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep, ifcEnumType);
break;
default:
ifcPart = IFCInstanceExporter.CreateBuildingElementProxy(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep, exportType.ValidatedPredefinedType);
break;
}
}
bool containedInLevel = standaloneExport;
PlacementSetter whichPlacementSetter = containedInLevel ? standalonePlacementSetter : placementSetter;
productWrapper.AddElement(partElement, ifcPart, whichPlacementSetter, extrusionCreationData, containedInLevel, exportType);
OpeningUtil.CreateOpeningsIfNecessary(ifcPart, partElement, extrusionCreationData, bodyData.OffsetTransform, exporterIFC,
extrusionCreationData.GetLocalPlacement(), whichPlacementSetter, productWrapper);
//Add the exported part to exported cache.
TraceExportedParts(partElement, partExportLevelId, standaloneExport ? ElementId.InvalidElementId : hostElement.Id);
CategoryUtil.CreateMaterialAssociation(exporterIFC, ifcPart, bodyData.MaterialIds);
transaction.Commit();
}
}
}
finally
{
if (standalonePlacementSetter != null)
{
standalonePlacementSetter.Dispose();
}
}
}
/// <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);
}
/// <summary>
/// Exports an element to IFC footing.
/// </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 IFCProductWrapper.
/// </param>
public static void ExportFooting(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
string ifcEnumType, IFCProductWrapper 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))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(setter.GetPlacement());
IFCAnyHandle prodRep = null;
if (!exportParts)
{
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
prodRep = RepresentationUtil.CreateBRepProductDefinitionShape(element.Document.Application, exporterIFC,
element, catId, geometryElement, bodyExporterOptions, null, ecData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
{
ecData.ClearOpenings();
return;
}
}
string instanceGUID = ExporterIFCUtils.CreateGUID(element);
string origInstanceName = exporterIFC.GetName();
string instanceName = NamingUtil.GetNameOverride(element, origInstanceName);
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string instanceElemId = NamingUtil.CreateIFCElementId(element);
Toolkit.IFCFootingType footingType = GetIFCFootingType(element, ifcEnumType);
IFCAnyHandle footing = IFCInstanceExporter.CreateFooting(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(), prodRep, instanceElemId, footingType);
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, element, footing, productWrapper, setter, setter.GetPlacement(), null);
}
productWrapper.AddElement(footing, setter, ecData, LevelUtil.AssociateElementToLevel(element));
OpeningUtil.CreateOpeningsIfNecessary(footing, element, ecData, exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);
}
}
tr.Commit();
}
}
/// <summary>
/// Exports a roof to IfcRoof.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="roof">The roof element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <param name="exportRoofAsSingleGeometry">Export roof as single geometry.</param>
public static void ExportRoof(ExporterIFC exporterIFC, Element roof, ref GeometryElement geometryElement,
ProductWrapper productWrapper, bool exportRoofAsSingleGeometry = false)
{
if (roof == null || geometryElement == null)
{
return;
}
string ifcEnumType;
IFCExportInfoPair roofExportType = ExporterUtil.GetProductExportType(exporterIFC, roof, out ifcEnumType);
if (roofExportType.IsUnKnown)
{
roofExportType = new IFCExportInfoPair(IFCEntityType.IfcRoof, "");
}
MaterialLayerSetInfo layersetInfo = new MaterialLayerSetInfo(exporterIFC, roof, productWrapper);
IFCFile file = exporterIFC.GetFile();
Document doc = roof.Document;
using (SubTransaction tempPartTransaction = new SubTransaction(doc))
{
// For IFC4RV export, Roof will be split into its parts(temporarily) in order to export the roof by its parts
ExporterUtil.CreateParts(roof, layersetInfo.MaterialIds.Count, ref geometryElement);
bool exportByComponents = ExporterUtil.CanExportByComponentsOrParts(roof) == ExporterUtil.ExportPartAs.ShapeAspect;
using (IFCTransaction tr = new IFCTransaction(file))
{
// Check for containment override
IFCAnyHandle overrideContainerHnd = null;
ElementId overrideContainerId = ParameterUtil.OverrideContainmentParameter(exporterIFC, roof, out overrideContainerHnd);
using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, roof, null, null, overrideContainerId, overrideContainerHnd))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
// If the roof is an in-place family, we will allow any arbitrary orientation. While this may result in some
// in-place "cubes" exporting with the wrong direction, it is unlikely that an in-place family would be
// used for this reason in the first place.
ecData.PossibleExtrusionAxes = (roof is FamilyInstance) ? IFCExtrusionAxes.TryXYZ : IFCExtrusionAxes.TryZ;
ecData.AreInnerRegionsOpenings = true;
ecData.SetLocalPlacement(placementSetter.LocalPlacement);
ElementId categoryId = CategoryUtil.GetSafeCategoryId(roof);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
BodyData bodyData = null;
IFCAnyHandle prodRep = null;
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
IList <ElementId> materialIds = new List <ElementId>();
if (!exportByComponents)
{
prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, roof,
categoryId, geometryElement, bodyExporterOptions, null, ecData, out bodyData);
if (bodyData != null && bodyData.MaterialIds != null)
{
materialIds = bodyData.MaterialIds;
}
}
else
{
prodRep = RepresentationUtil.CreateProductDefinitionShapeWithoutBodyRep(exporterIFC, roof, categoryId, geometryElement, representations);
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
{
ecData.ClearOpenings();
return;
}
bool exportSlab = ((ecData.ScaledLength > MathUtil.Eps() || exportByComponents) &&
roofExportType.ExportInstance == IFCEntityType.IfcRoof && !exportRoofAsSingleGeometry);
string guid = GUIDUtil.CreateGUID(roof);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
IFCAnyHandle roofHnd = IFCInstanceExporter.CreateGenericIFCEntity(
roofExportType, exporterIFC, roof, guid, ownerHistory,
localPlacement, exportSlab ? null : prodRep);
IFCAnyHandle typeHnd = ExporterUtil.CreateGenericTypeFromElement(roof,
roofExportType, file, ownerHistory, roofExportType.ValidatedPredefinedType,
productWrapper);
ExporterCacheManager.TypeRelationsCache.Add(typeHnd, roofHnd);
productWrapper.AddElement(roof, roofHnd, placementSetter.LevelInfo, ecData, true, roofExportType);
if (!(roof is RoofBase))
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, roofHnd, materialIds);
}
if (exportByComponents && (exportSlab || exportRoofAsSingleGeometry))
{
IFCAnyHandle hostShapeRepFromParts = PartExporter.ExportHostPartAsShapeAspects(exporterIFC, roof, prodRep,
productWrapper, placementSetter, localPlacement, ElementId.InvalidElementId, layersetInfo, ecData);
}
Transform offsetTransform = (bodyData != null) ? bodyData.OffsetTransform : Transform.Identity;
if (exportSlab)
{
string slabGUID = GUIDUtil.CreateSubElementGUID(roof, (int)IFCRoofSubElements.RoofSlabStart);
IFCAnyHandle slabLocalPlacementHnd = ExporterUtil.CopyLocalPlacement(file, localPlacement);
string slabName = IFCAnyHandleUtil.GetStringAttribute(roofHnd, "Name") + ":1";
IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(exporterIFC, roof, slabGUID, ownerHistory,
slabLocalPlacementHnd, prodRep, slabRoofPredefinedType);
IFCAnyHandleUtil.OverrideNameAttribute(slabHnd, slabName);
OpeningUtil.CreateOpeningsIfNecessary(slabHnd, roof, ecData, offsetTransform,
exporterIFC, slabLocalPlacementHnd, placementSetter, productWrapper);
ExporterUtil.RelateObject(exporterIFC, roofHnd, slabHnd);
IFCExportInfoPair slabRoofExportType = new IFCExportInfoPair(IFCEntityType.IfcSlab, slabRoofPredefinedType);
productWrapper.AddElement(null, slabHnd, placementSetter.LevelInfo, ecData, false, slabRoofExportType);
// Create type
IFCAnyHandle slabRoofTypeHnd = ExporterUtil.CreateGenericTypeFromElement(roof, slabRoofExportType, exporterIFC.GetFile(), ownerHistory, slabRoofPredefinedType, productWrapper);
ExporterCacheManager.TypeRelationsCache.Add(slabRoofTypeHnd, slabHnd);
ExporterUtil.AddIntoComplexPropertyCache(slabHnd, layersetInfo);
// For earlier than IFC4 version of IFC export, the material association will be done at the Roof host level with MaterialSetUsage
// This one is only for IFC4 and above
if ((roof is RoofBase) && !ExporterCacheManager.ExportOptionsCache.ExportAsOlderThanIFC4)
{
if (layersetInfo != null && !IFCAnyHandleUtil.IsNullOrHasNoValue(layersetInfo.MaterialLayerSetHandle))
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, slabHnd, layersetInfo.MaterialLayerSetHandle);
}
else if (bodyData != null)
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, slabHnd, bodyData.MaterialIds);
}
}
}
else
{
OpeningUtil.CreateOpeningsIfNecessary(roofHnd, roof, ecData, offsetTransform,
exporterIFC, localPlacement, placementSetter, productWrapper);
// For earlier than IFC4 version of IFC export, the material association will be done at the Roof host level with MaterialSetUsage
// This one is only for IFC4 and above
if ((roof is RoofBase) && !ExporterCacheManager.ExportOptionsCache.ExportAsOlderThanIFC4)
{
if (layersetInfo != null && !IFCAnyHandleUtil.IsNullOrHasNoValue(layersetInfo.MaterialLayerSetHandle))
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, roofHnd, layersetInfo.MaterialLayerSetHandle);
}
else if (layersetInfo != null && layersetInfo.MaterialIds != null)
{
materialIds = layersetInfo.MaterialIds.Select(x => x.m_baseMatId).ToList();
CategoryUtil.CreateMaterialAssociation(exporterIFC, roofHnd, materialIds);
}
}
}
}
tr.Commit();
}
}
}
}
/// <summary>
/// Exports a roof or floor as a container of multiple roof slabs. Returns the handle, if successful.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="element">The roof or floor element.</param>
/// <param name="geometry">The geometry of the element.</param>
/// <param name="productWrapper">The product wrapper.</param>
/// <returns>The roof handle.</returns>
/// <remarks>For floors, if there is only one component, return null, as we do not want to create a container.</remarks>
public static IFCAnyHandle ExportRoofOrFloorAsContainer(ExporterIFC exporterIFC,
Element element, GeometryElement geometry, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
// We support ExtrusionRoofs, FootPrintRoofs, and Floors only.
bool elementIsRoof = (element is ExtrusionRoof) || (element is FootPrintRoof);
bool elementIsFloor = (element is Floor);
if (!elementIsRoof && !elementIsFloor)
{
return(null);
}
string subSlabType = null;
IFCExportInfoPair roofExportType = ExporterUtil.GetProductExportType(exporterIFC, element, out _);
if (roofExportType.IsUnKnown)
{
IFCEntityType elementClassTypeEnum =
elementIsFloor ? IFCEntityType.IfcSlab: IFCEntityType.IfcRoof;
roofExportType = new IFCExportInfoPair(elementClassTypeEnum, "");
}
else
{
if (elementIsFloor)
{
subSlabType = "FLOOR";
}
else if (elementIsRoof)
{
subSlabType = "ROOF";
}
}
// Check the intended IFC entity or type name is in the exclude list specified in the UI
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(roofExportType.ExportType))
{
return(null);
}
Document doc = element.Document;
using (SubTransaction tempPartTransaction = new SubTransaction(doc))
{
using (IFCTransaction transaction = new IFCTransaction(file))
{
MaterialLayerSetInfo layersetInfo = new MaterialLayerSetInfo(exporterIFC, element, productWrapper);
bool hasLayers = false;
if (layersetInfo.MaterialIds.Count > 1)
{
hasLayers = true;
}
bool exportByComponents = ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView && hasLayers;
// Check for containment override
IFCAnyHandle overrideContainerHnd = null;
ElementId overrideContainerId = ParameterUtil.OverrideContainmentParameter(exporterIFC, element, out overrideContainerHnd);
// We want to delay creating entity handles until as late as possible, so that if we abort the IFC transaction,
// we don't have to delete elements. This is both for performance reasons and to potentially extend the number
// of projects that can be exported by reducing (a small amount) of waste.
IList <HostObjectSubcomponentInfo> hostObjectSubcomponents = null;
try
{
hostObjectSubcomponents = ExporterIFCUtils.ComputeSubcomponents(element as HostObject);
}
catch
{
return(null);
}
if (hostObjectSubcomponents == null)
{
return(null);
}
int numSubcomponents = hostObjectSubcomponents.Count;
if (numSubcomponents == 0 || (elementIsFloor && numSubcomponents == 1))
{
return(null);
}
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, null, null, overrideContainerId, overrideContainerHnd))
{
IFCAnyHandle localPlacement = setter.LocalPlacement;
IFCAnyHandle hostObjectHandle = null;
try
{
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
extrusionCreationData.SetLocalPlacement(localPlacement);
extrusionCreationData.ReuseLocalPlacement = true;
using (TransformSetter trfSetter = TransformSetter.Create())
{
IList <GeometryObject> geometryList = new List <GeometryObject>();
geometryList.Add(geometry);
trfSetter.InitializeFromBoundingBox(exporterIFC, geometryList, extrusionCreationData);
IFCAnyHandle prodRepHnd = null;
string elementGUID = GUIDUtil.CreateGUID(element);
hostObjectHandle = IFCInstanceExporter.CreateGenericIFCEntity(
roofExportType, exporterIFC, element, elementGUID, ownerHistory,
localPlacement, prodRepHnd);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(hostObjectHandle))
{
return(null);
}
IList <IFCAnyHandle> elementHandles = new List <IFCAnyHandle>();
elementHandles.Add(hostObjectHandle);
// If element is floor, then the profile curve loop of hostObjectSubComponent is computed from the top face of the floor
// else if element is roof, then the profile curve loop is taken from the bottom face of the roof instead
XYZ extrusionDir = elementIsFloor ? new XYZ(0, 0, -1) : new XYZ(0, 0, 1);
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
IList <IFCAnyHandle> slabHandles = new List <IFCAnyHandle>();
IList <CurveLoop> hostObjectOpeningLoops = new List <CurveLoop>();
double maximumScaledDepth = 0.0;
using (IFCExtrusionCreationData slabExtrusionCreationData = new IFCExtrusionCreationData())
{
slabExtrusionCreationData.SetLocalPlacement(extrusionCreationData.GetLocalPlacement());
slabExtrusionCreationData.ReuseLocalPlacement = false;
slabExtrusionCreationData.ForceOffset = true;
int loopNum = 0;
int subElementStart = elementIsRoof ? (int)IFCRoofSubElements.RoofSlabStart : (int)IFCSlabSubElements.SubSlabStart;
foreach (HostObjectSubcomponentInfo hostObjectSubcomponent in hostObjectSubcomponents)
{
trfSetter.InitializeFromBoundingBox(exporterIFC, geometryList, slabExtrusionCreationData);
Plane plane = hostObjectSubcomponent.GetPlane();
Transform lcs = GeometryUtil.CreateTransformFromPlane(plane);
IList <CurveLoop> curveLoops = new List <CurveLoop>();
CurveLoop slabCurveLoop = hostObjectSubcomponent.GetCurveLoop();
curveLoops.Add(slabCurveLoop);
double slope = Math.Abs(plane.Normal.Z);
double scaledDepth = UnitUtil.ScaleLength(hostObjectSubcomponent.Depth);
double scaledExtrusionDepth = scaledDepth * slope;
IList <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>();
IFCAnyHandle prodDefShape = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
string shapeIdent = "Body";
IFCAnyHandle contextOfItems = exporterIFC.Get3DContextHandle(shapeIdent);
string representationType = ShapeRepresentationType.SweptSolid.ToString();
// Create representation items based on the layers
// Because in this case, the Roof components are not derived from Parts, but by "splitting" geometry part that can be extruded,
// the creation of the Items for IFC4RV will be different by using "manual" split based on the layer thickness
HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>();
if (!exportByComponents)
{
IFCAnyHandle itemShapeRep = ExtrusionExporter.CreateExtrudedSolidFromCurveLoop(exporterIFC, null, curveLoops, lcs, extrusionDir, scaledExtrusionDepth, false);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(itemShapeRep))
{
productWrapper.ClearInternalHandleWrapperData(element);
return(null);
}
ElementId matId = HostObjectExporter.GetFirstLayerMaterialId(element as HostObject);
BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, element.Document, false, itemShapeRep, matId);
bodyItems.Add(itemShapeRep);
}
else
{
double scaleProj = extrusionDir.DotProduct(plane.Normal);
foreach (MaterialLayerSetInfo.MaterialInfo matLayerInfo in layersetInfo.MaterialIds)
{
double itemExtrDepth = matLayerInfo.m_matWidth;
IFCAnyHandle itemShapeRep = ExtrusionExporter.CreateExtrudedSolidFromCurveLoop(exporterIFC, null, curveLoops, lcs, extrusionDir, itemExtrDepth, false);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(itemShapeRep))
{
productWrapper.ClearInternalHandleWrapperData(element);
return(null);
}
BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, element.Document, false, itemShapeRep, matLayerInfo.m_baseMatId);
bodyItems.Add(itemShapeRep);
RepresentationUtil.CreateRepForShapeAspect(exporterIFC, element, prodDefShape, representationType, matLayerInfo.m_layerName, itemShapeRep);
XYZ offset = new XYZ(0, 0, itemExtrDepth / scaleProj); // offset is calculated as extent in the direction of extrusion
lcs.Origin += offset;
}
}
IFCAnyHandle shapeRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, element, catId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null);
shapeReps.Add(shapeRep);
IFCAnyHandleUtil.SetAttribute(prodDefShape, "Representations", shapeReps);
// Allow support for up to 256 named IfcSlab components, as defined in IFCSubElementEnums.cs.
string slabGUID = (loopNum < 256) ? GUIDUtil.CreateSubElementGUID(element, subElementStart + loopNum) : GUIDUtil.CreateGUID();
IFCAnyHandle slabPlacement = ExporterUtil.CreateLocalPlacement(file, slabExtrusionCreationData.GetLocalPlacement(), null);
IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(exporterIFC, element, slabGUID, ownerHistory,
slabPlacement, prodDefShape, subSlabType);
IFCExportInfoPair exportType = new IFCExportInfoPair(IFCEntityType.IfcSlab, subSlabType);
//slab quantities
slabExtrusionCreationData.ScaledLength = scaledExtrusionDepth;
slabExtrusionCreationData.ScaledArea = UnitUtil.ScaleArea(UnitUtil.ScaleArea(hostObjectSubcomponent.AreaOfCurveLoop));
slabExtrusionCreationData.ScaledOuterPerimeter = UnitUtil.ScaleLength(curveLoops[0].GetExactLength());
slabExtrusionCreationData.Slope = UnitUtil.ScaleAngle(MathUtil.SafeAcos(Math.Abs(slope)));
IFCExportInfoPair slabRoofExportType = new IFCExportInfoPair(IFCEntityType.IfcSlab, subSlabType);
productWrapper.AddElement(null, slabHnd, setter, slabExtrusionCreationData, false, slabRoofExportType);
// Create type
IFCAnyHandle slabRoofTypeHnd = ExporterUtil.CreateGenericTypeFromElement(element, slabRoofExportType, exporterIFC.GetFile(), ownerHistory, subSlabType, productWrapper);
ExporterCacheManager.TypeRelationsCache.Add(slabRoofTypeHnd, slabHnd);
elementHandles.Add(slabHnd);
slabHandles.Add(slabHnd);
hostObjectOpeningLoops.Add(slabCurveLoop);
maximumScaledDepth = Math.Max(maximumScaledDepth, scaledDepth);
loopNum++;
ExporterUtil.AddIntoComplexPropertyCache(slabHnd, layersetInfo);
// Create material association here
if (layersetInfo != null && !IFCAnyHandleUtil.IsNullOrHasNoValue(layersetInfo.MaterialLayerSetHandle))
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, slabHnd, layersetInfo.MaterialLayerSetHandle);
}
}
}
productWrapper.AddElement(element, hostObjectHandle, setter, extrusionCreationData, true, roofExportType);
ExporterUtil.RelateObjects(exporterIFC, null, hostObjectHandle, slabHandles);
OpeningUtil.AddOpeningsToElement(exporterIFC, elementHandles, hostObjectOpeningLoops, element, null, maximumScaledDepth,
null, setter, localPlacement, productWrapper);
transaction.Commit();
return(hostObjectHandle);
}
}
}
catch
{
// SOmething wrong with the above process, unable to create the extrusion data. Reset any internal handles that may have been partially created since they are not committed
productWrapper.ClearInternalHandleWrapperData(element);
return(null);
}
finally
{
exporterIFC.ClearFaceWithElementHandleMap();
}
}
}
}
}
/// <summary>
/// Exports an element as IFC covering.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element to be exported.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportCovering(ExporterIFC exporterIFC, Element element, ref GeometryElement geomElem, string ifcEnumType, ProductWrapper productWrapper)
{
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcCovering;
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType;
IFCFile file = exporterIFC.GetFile();
MaterialLayerSetInfo layersetInfo = new MaterialLayerSetInfo(exporterIFC, element, productWrapper);
using (IFCTransaction transaction = new IFCTransaction(file))
{
// For IFC4RV export, Element will be split into its parts(temporarily) in order to export the wall by its parts
// If Parts are created by code and not by user then their name should be equal to Material name.
bool setMaterialNameToPartName = ExporterUtil.CreateParts(element, layersetInfo.MaterialIds.Count, ref geomElem);
ExporterUtil.ExportPartAs exportPartAs = ExporterUtil.CanExportByComponentsOrParts(element);
bool exportByComponents = exportPartAs == ExporterUtil.ExportPartAs.ShapeAspect;
bool exportParts = exportPartAs == ExporterUtil.ExportPartAs.Part;
if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.LevelId, false))
{
return;
}
// Check for containment override
IFCAnyHandle overrideContainerHnd = null;
ElementId overrideContainerId = ParameterUtil.OverrideContainmentParameter(exporterIFC, element, out overrideContainerHnd);
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, null, null, overrideContainerId, overrideContainerHnd))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
IFCAnyHandle prodRep = null;
if (!exportParts)
{
ecData.SetLocalPlacement(setter.LocalPlacement);
ecData.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
if (exportByComponents)
{
prodRep = RepresentationUtil.CreateProductDefinitionShapeWithoutBodyRep(exporterIFC, element, categoryId, geomElem, representations);
}
else
{
prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element,
categoryId, geomElem, bodyExporterOptions, null, ecData, true);
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
{
ecData.ClearOpenings();
return;
}
}
// We will use the category of the element to set a default value for the covering.
string defaultCoveringEnumType = null;
if (categoryId == new ElementId(BuiltInCategory.OST_Ceilings))
{
defaultCoveringEnumType = "CEILING";
}
else if (categoryId == new ElementId(BuiltInCategory.OST_Floors))
{
defaultCoveringEnumType = "FLOORING";
}
else if (categoryId == new ElementId(BuiltInCategory.OST_Roofs))
{
defaultCoveringEnumType = "ROOFING";
}
string instanceGUID = GUIDUtil.CreateGUID(element);
string coveringType = IFCValidateEntry.GetValidIFCPredefinedTypeType(/*element,*/ ifcEnumType, defaultCoveringEnumType, "IfcCoveringType");
IFCAnyHandle covering = IFCInstanceExporter.CreateCovering(exporterIFC, element, instanceGUID, ExporterCacheManager.OwnerHistoryHandle,
setter.LocalPlacement, prodRep, coveringType);
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, element, covering, productWrapper, setter, setter.LocalPlacement, null, setMaterialNameToPartName);
}
else if (exportByComponents)
{
IFCAnyHandle hostShapeRepFromParts = PartExporter.ExportHostPartAsShapeAspects(exporterIFC, element, prodRep,
productWrapper, setter, setter.LocalPlacement, ElementId.InvalidElementId, layersetInfo, ecData);
}
ExporterUtil.AddIntoComplexPropertyCache(covering, layersetInfo);
IFCExportInfoPair exportInfo = new IFCExportInfoPair(IFCEntityType.IfcCovering, IFCEntityType.IfcCoveringType, coveringType);
IFCAnyHandle typeHnd = ExporterUtil.CreateGenericTypeFromElement(element, exportInfo, file, ExporterCacheManager.OwnerHistoryHandle, coveringType, productWrapper);
ExporterCacheManager.TypeRelationsCache.Add(typeHnd, covering);
bool containInSpace = false;
IFCAnyHandle localPlacementToUse = setter.LocalPlacement;
// Ceiling containment in Space is generally required and not specific to any view
if (ExporterCacheManager.CeilingSpaceRelCache.ContainsKey(element.Id))
{
IList <ElementId> roomlist = ExporterCacheManager.CeilingSpaceRelCache[element.Id];
// Process Ceiling to be contained in a Space only when it is exactly bounding one Space
if (roomlist.Count == 1)
{
productWrapper.AddElement(element, covering, setter, ecData, false, exportInfo);
// Modify the Ceiling placement to be relative to the Space that it bounds
IFCAnyHandle roomPlacement = IFCAnyHandleUtil.GetObjectPlacement(ExporterCacheManager.SpaceInfoCache.FindSpaceHandle(roomlist[0]));
Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(roomPlacement, localPlacementToUse);
Transform inverseTrf = relTrf.Inverse;
IFCAnyHandle relLocalPlacement = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
IFCAnyHandleUtil.SetAttribute(localPlacementToUse, "PlacementRelTo", roomPlacement);
GeometryUtil.SetRelativePlacement(localPlacementToUse, relLocalPlacement);
ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomlist[0], covering);
containInSpace = true;
}
}
// if not contained in Space, assign it to default containment in Level
if (!containInSpace)
{
productWrapper.AddElement(element, covering, setter, ecData, true, exportInfo);
}
if (!exportParts)
{
Ceiling ceiling = element as Ceiling;
if (ceiling != null)
{
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, ceiling, covering,
geomElem, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, null, null);
}
else
{
ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geomElem, element);
CategoryUtil.CreateMaterialAssociation(exporterIFC, covering, matId);
}
}
OpeningUtil.CreateOpeningsIfNecessary(covering, element, ecData, null,
exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
}
}
transaction.Commit();
}
}
/// <summary>
/// Exports a roof to IfcRoof.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="ifcEnumType">The roof type.</param>
/// <param name="roof">The roof element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The IFCProductWrapper.</param>
public static void ExportRoof(ExporterIFC exporterIFC, string ifcEnumType, Element roof, GeometryElement geometryElement,
IFCProductWrapper productWrapper)
{
if (roof == null || geometryElement == null)
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, roof))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;
ecData.AreInnerRegionsOpenings = true;
ecData.SetLocalPlacement(placementSetter.GetPlacement());
ElementId categoryId = CategoryUtil.GetSafeCategoryId(roof);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
IFCAnyHandle representation = RepresentationUtil.CreateBRepProductDefinitionShape(roof.Document.Application, exporterIFC, roof,
categoryId, geometryElement, bodyExporterOptions, null, ecData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
{
ecData.ClearOpenings();
return;
}
bool exportSlab = ecData.ScaledLength > MathUtil.Eps();
string guid = ExporterIFCUtils.CreateGUID(roof);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string origRoofName = exporterIFC.GetName();
string roofName = NamingUtil.GetNameOverride(roof, origRoofName);
string roofDescription = NamingUtil.GetDescriptionOverride(roof, null);
string roofObjectType = NamingUtil.GetObjectTypeOverride(roof, NamingUtil.CreateIFCObjectName(exporterIFC, roof));
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
string elementTag = NamingUtil.CreateIFCElementId(roof);
IFCRoofType roofType = GetIFCRoofType(ifcEnumType);
IFCAnyHandle roofHnd = IFCInstanceExporter.CreateRoof(file, guid, ownerHistory, roofName, roofDescription,
roofObjectType, localPlacement, exportSlab ? null : representation, elementTag, roofType);
productWrapper.AddElement(roofHnd, placementSetter.GetLevelInfo(), ecData, LevelUtil.AssociateElementToLevel(roof));
if (exportSlab)
{
string slabGUID = ExporterIFCUtils.CreateSubElementGUID(roof, (int)IFCRoofSubElements.RoofSlabStart);
string slabName = roofName + ":1";
IFCAnyHandle slabLocalPlacementHnd = ExporterUtil.CopyLocalPlacement(file, localPlacement);
IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, slabGUID, ownerHistory, slabName,
roofDescription, roofObjectType, slabLocalPlacementHnd, representation, elementTag, IFCSlabType.Roof);
OpeningUtil.CreateOpeningsIfNecessary(slabHnd, roof, ecData, exporterIFC, slabLocalPlacementHnd,
placementSetter, productWrapper);
ExporterUtil.RelateObject(exporterIFC, roofHnd, slabHnd);
productWrapper.AddElement(slabHnd, placementSetter.GetLevelInfo(), ecData, false);
}
}
tr.Commit();
}
}
}
/// <summary>
/// Exports a roof as a container of multiple roof slabs. Returns the handle, if successful.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="ifcEnumType">The roof type.</param>
/// <param name="element">The roof element.</param>
/// <param name="geometry">The geometry of the element.</param>
/// <param name="productWrapper">The product wrapper.</param>
/// <returns>The roof handle.</returns>
public static IFCAnyHandle ExportRoofAsContainer(ExporterIFC exporterIFC, string ifcEnumType, Element element, GeometryElement geometry, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
if (!(element is ExtrusionRoof) && !(element is FootPrintRoof))
{
return(null);
}
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
IFCAnyHandle localPlacement = setter.LocalPlacement;
RoofComponents roofComponents = null;
try
{
roofComponents = ExporterIFCUtils.GetRoofComponents(exporterIFC, element as RoofBase);
}
catch
{
return(null);
}
if (roofComponents == null)
{
return(null);
}
try
{
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
extrusionCreationData.SetLocalPlacement(localPlacement);
extrusionCreationData.ReuseLocalPlacement = true;
using (TransformSetter trfSetter = TransformSetter.Create())
{
IList <GeometryObject> geometryList = new List <GeometryObject>();
geometryList.Add(geometry);
trfSetter.InitializeFromBoundingBox(exporterIFC, geometryList, extrusionCreationData);
IFCAnyHandle prodRepHnd = null;
string elementGUID = GUIDUtil.CreateGUID(element);
string elementName = NamingUtil.GetIFCName(element);
string elementDescription = NamingUtil.GetDescriptionOverride(element, null);
string elementObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string elementId = NamingUtil.CreateIFCElementId(element);
string roofType = IFCValidateEntry.GetValidIFCType(element, ifcEnumType);
IFCAnyHandle roofHandle = IFCInstanceExporter.CreateRoof(file, elementGUID, ownerHistory, elementName, elementDescription,
elementObjectType, localPlacement, prodRepHnd, elementId, roofType);
IList <IFCAnyHandle> elementHandles = new List <IFCAnyHandle>();
elementHandles.Add(roofHandle);
//only thing supported right now.
XYZ extrusionDir = new XYZ(0, 0, 1);
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
IList <CurveLoop> roofCurveloops = roofComponents.GetCurveLoops();
IList <XYZ> planeDirs = roofComponents.GetPlaneDirections();
IList <XYZ> planeOrigins = roofComponents.GetPlaneOrigins();
IList <Face> loopFaces = roofComponents.GetLoopFaces();
double scaledDepth = roofComponents.ScaledDepth;
IList <double> areas = roofComponents.GetAreasOfCurveLoops();
IList <IFCAnyHandle> slabHandles = new List <IFCAnyHandle>();
using (IFCExtrusionCreationData slabExtrusionCreationData = new IFCExtrusionCreationData())
{
slabExtrusionCreationData.SetLocalPlacement(extrusionCreationData.GetLocalPlacement());
slabExtrusionCreationData.ReuseLocalPlacement = false;
slabExtrusionCreationData.ForceOffset = true;
for (int numLoop = 0; numLoop < roofCurveloops.Count; numLoop++)
{
trfSetter.InitializeFromBoundingBox(exporterIFC, geometryList, slabExtrusionCreationData);
Plane plane = new Plane(planeDirs[numLoop], planeOrigins[numLoop]);
IList <CurveLoop> curveLoops = new List <CurveLoop>();
curveLoops.Add(roofCurveloops[numLoop]);
double slope = Math.Abs(planeDirs[numLoop].Z);
double scaledExtrusionDepth = scaledDepth * slope;
IFCAnyHandle shapeRep = ExtrusionExporter.CreateExtrudedSolidFromCurveLoop(exporterIFC, null, curveLoops, plane, extrusionDir, scaledExtrusionDepth);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
{
return(null);
}
ElementId matId = HostObjectExporter.GetFirstLayerMaterialId(element as HostObject);
BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, element.Document, shapeRep, matId);
HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>();
bodyItems.Add(shapeRep);
shapeRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, element, catId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null);
IList <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>();
shapeReps.Add(shapeRep);
IFCAnyHandle repHnd = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
// Allow support for up to 256 named IfcSlab components, as defined in IFCSubElementEnums.cs.
string slabGUID = (numLoop < 256) ? GUIDUtil.CreateSubElementGUID(element, (int)IFCRoofSubElements.RoofSlabStart + numLoop) : GUIDUtil.CreateGUID();
IFCAnyHandle slabPlacement = ExporterUtil.CreateLocalPlacement(file, slabExtrusionCreationData.GetLocalPlacement(), null);
IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, slabGUID, ownerHistory, elementName,
elementDescription, elementObjectType, slabPlacement, repHnd, elementId, "ROOF");
//slab quantities
slabExtrusionCreationData.ScaledLength = scaledExtrusionDepth;
slabExtrusionCreationData.ScaledArea = UnitUtil.ScaleArea(areas[numLoop]);
slabExtrusionCreationData.ScaledOuterPerimeter = UnitUtil.ScaleLength(curveLoops[0].GetExactLength());
slabExtrusionCreationData.Slope = UnitUtil.ScaleAngle(Math.Acos(Math.Abs(planeDirs[numLoop].Z)));
productWrapper.AddElement(null, slabHnd, setter, slabExtrusionCreationData, false);
elementHandles.Add(slabHnd);
slabHandles.Add(slabHnd);
}
}
productWrapper.AddElement(element, roofHandle, setter, extrusionCreationData, true);
ExporterUtil.RelateObjects(exporterIFC, null, roofHandle, slabHandles);
OpeningUtil.AddOpeningsToElement(exporterIFC, elementHandles, roofCurveloops, element, null, roofComponents.ScaledDepth,
null, setter, localPlacement, productWrapper);
transaction.Commit();
return(roofHandle);
}
}
}
finally
{
exporterIFC.ClearFaceWithElementHandleMap();
}
}
}
}
/// <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)
{
// NOTE: We expect to incorporate this code into the generic FamilyInstanceExporter at some point.
// export parts or not
bool exportParts = PartExporter.CanExportParts(element);
if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.LevelId, false))
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
// Check for containment override
IFCAnyHandle overrideContainerHnd = null;
ElementId overrideContainerId = ParameterUtil.OverrideContainmentParameter(exporterIFC, element, out overrideContainerHnd);
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, null, null, overrideContainerId, overrideContainerHnd))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(setter.LocalPlacement);
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, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
StructuralMemberAxisInfo axisInfo = StructuralMemberExporter.GetStructuralMemberAxisTransform(element);
if (axisInfo != null)
{
ecData.CustomAxis = axisInfo.AxisDirection;
ecData.PossibleExtrusionAxes = IFCExtrusionAxes.TryCustom;
}
else
{
ecData.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;
}
prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
element, catId, geometryElement, bodyExporterOptions, null, ecData, true);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
{
ecData.ClearOpenings();
return;
}
}
string instanceGUID = GUIDUtil.CreateGUID(element);
IFCExportInfoPair exportInfo = new IFCExportInfoPair(Common.Enums.IFCEntityType.IfcPile, ifcEnumType);
IFCAnyHandle pile = IFCInstanceExporter.CreatePile(exporterIFC, element, instanceGUID, ExporterCacheManager.OwnerHistoryHandle,
ecData.GetLocalPlacement(), prodRep, ifcEnumType, null);
// TODO: to allow shared geometry for Piles. For now, Pile export will not use shared geometry
if (exportInfo.ExportType != Common.Enums.IFCEntityType.UnKnown)
{
IFCAnyHandle type = ExporterUtil.CreateGenericTypeFromElement(element, exportInfo, file, ExporterCacheManager.OwnerHistoryHandle, exportInfo.ValidatedPredefinedType, productWrapper);
ExporterCacheManager.TypeRelationsCache.Add(type, pile);
}
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, element, pile, productWrapper, setter, setter.LocalPlacement, null);
}
else
{
if (matId != ElementId.InvalidElementId)
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, pile, matId);
}
}
productWrapper.AddElement(element, pile, setter, ecData, true, exportInfo);
OpeningUtil.CreateOpeningsIfNecessary(pile, element, ecData, null,
exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
}
}
tr.Commit();
}
}
private static void ExportAsMappedItem(ExporterIFC exporterIFC, Element element, IFCFile file, IFCExportInfoPair 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;
ElementId matId = ElementId.InvalidElementId;
Options geomOptions = GeometryUtil.GetIFCExportGeometryOptions();
bool hasMaterialAssociatedToType = false;
if (type != null)
{
FamilyTypeInfo currentTypeInfo = ExporterCacheManager.FamilySymbolToTypeInfoCache.Find(typeId, false, exportType);
if (!currentTypeInfo.IsValid())
{
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, exportType, styleHandle, propertySetsOpt);
currentTypeInfo.Style = styleHandle;
ExporterCacheManager.FamilySymbolToTypeInfoCache.Register(typeId, false, exportType, currentTypeInfo);
Element elementType = element.Document.GetElement(element.GetTypeId());
matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(element.get_Geometry(geomOptions), exporterIFC, elementType);
if (matId == ElementId.InvalidElementId)
{
matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(element.get_Geometry(geomOptions), exporterIFC, element);
}
if (matId != ElementId.InvalidElementId)
{
currentTypeInfo.MaterialIdList = new List <ElementId>()
{
matId
};
hasMaterialAssociatedToType = true;
CategoryUtil.CreateMaterialAssociation(exporterIFC, styleHandle, matId);
}
}
}
else
{
styleHandle = currentTypeInfo.Style;
if (currentTypeInfo.MaterialIdList != null && currentTypeInfo.MaterialIdList.Count > 0)
{
hasMaterialAssociatedToType = true;
}
}
}
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(exportType, exporterIFC, element, instanceGUID, ownerHistory,
localPlacementToUse, productRepresentation);
//}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
return;
}
if (matId == ElementId.InvalidElementId && !hasMaterialAssociatedToType)
{
matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(element.get_Geometry(geomOptions), exporterIFC, element);
if (matId != ElementId.InvalidElementId)
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, instanceHandle, matId);
}
}
if (roomId != ElementId.InvalidElementId)
{
//exporterIFC.RelateSpatialElement(roomId, instanceHandle);
ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomId, instanceHandle);
productWrapper.AddElement(element, instanceHandle, setter, extraParams, false, exportType);
}
else
{
productWrapper.AddElement(element, instanceHandle, setter, extraParams, true, exportType);
}
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 beam to IFC beam if it has an axis representation and only one Solid as its geometry, ideally as an extrusion, potentially with clippings and openings.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element to be exported.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <param name="dontExport">An output value that says that the element shouldn't be exported at all.</param>
/// <returns>The created handle.</returns>
/// <remarks>In the original implementation, the ExportBeam function would export each beam as its own individual geometry (that is, not use representation maps).
/// For non-standard beams, this could result in massive IFC files. Now, we use the ExportBeamAsStandardElement function and limit its scope, and instead
/// resort to the standard FamilyInstanceExporter.ExportFamilyInstanceAsMappedItem for more complicated objects categorized as beams. This has the following pros and cons:
/// Pro: possiblity for massively reduced file sizes for files containing repeated complex beam families
/// Con: some beams that may have had an "Axis" representation before will no longer have them, although this possibility is minimized.
/// Con: some beams that have 1 Solid and an axis, but that Solid will be heavily faceted, won't be helped by this improvement.
/// It is intended that we phase out this routine entirely and instead teach ExportFamilyInstanceAsMappedItem how to sometimes export the Axis representation for beams.</remarks>
public static IFCAnyHandle ExportBeamAsStandardElement(ExporterIFC exporterIFC,
Element element, IFCExportInfoPair exportType, GeometryElement geometryElement, ProductWrapper productWrapper, out bool dontExport)
{
dontExport = true;
IList <GeometryObject> geomObjects = BeamGeometryToExport(exporterIFC, element, geometryElement, out dontExport);
if (dontExport)
{
return(null);
}
IFCAnyHandle beam = null;
IFCFile file = exporterIFC.GetFile();
MaterialAndProfile materialAndProfile = null;
IFCAnyHandle materialProfileSet = null;
using (IFCTransaction transaction = new IFCTransaction(file))
{
BeamAxisInfo axisInfo = GetBeamAxisTransform(element);
bool canExportAxis = (axisInfo != null);
Curve curve = canExportAxis ? axisInfo.Axis : null;
XYZ beamDirection = canExportAxis ? axisInfo.AxisDirection : null;
Transform orientTrf = canExportAxis ? axisInfo.LCSAsTransform : null;
// Check for containment override
IFCAnyHandle overrideContainerHnd = null;
ElementId overrideContainerId = ParameterUtil.OverrideContainmentParameter(exporterIFC, element, out overrideContainerHnd);
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, null, orientTrf, overrideContainerId, overrideContainerHnd))
{
IFCAnyHandle localPlacement = setter.LocalPlacement;
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
extrusionCreationData.SetLocalPlacement(localPlacement);
if (canExportAxis && (orientTrf.BasisX != null))
{
extrusionCreationData.CustomAxis = beamDirection;
extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryCustom;
}
else
{
extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryXY;
}
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
// There may be an offset to make the local coordinate system
// be near the origin. This offset will be used to move the axis to the new LCS.
Transform offsetTransform = null;
// The list of materials in the solids or meshes.
ICollection <ElementId> materialIds = null;
// If the beam is a FamilyInstance, and it uses transformed FamilySymbol geometry only, then
// let's only try to CreateBeamGeometryAsExtrusion unsuccesfully once. Otherwise, we can spend a lot of time trying
// unsuccessfully to do so.
bool tryToCreateBeamGeometryAsExtrusion = true;
//bool useFamilySymbolGeometry = (element is FamilyInstance) ? !ExporterIFCUtils.UsesInstanceGeometry(element as FamilyInstance) : false;
bool useFamilySymbolGeometry = (element is FamilyInstance) ? !GeometryUtil.UsesInstanceGeometry(element as FamilyInstance) : false;
ElementId beamTypeId = element.GetTypeId();
if (useFamilySymbolGeometry)
{
tryToCreateBeamGeometryAsExtrusion = !ExporterCacheManager.CanExportBeamGeometryAsExtrusionCache.ContainsKey(beamTypeId) ||
ExporterCacheManager.CanExportBeamGeometryAsExtrusionCache[beamTypeId];
}
// The representation handle generated from one of the methods below.
BeamBodyAsExtrusionInfo extrusionInfo = null;
if (tryToCreateBeamGeometryAsExtrusion)
{
extrusionInfo = CreateBeamGeometryAsExtrusion(exporterIFC, element, catId, geomObjects, axisInfo);
if (useFamilySymbolGeometry)
{
ExporterCacheManager.CanExportBeamGeometryAsExtrusionCache[beamTypeId] = (extrusionInfo != null);
}
}
if (extrusionInfo != null && extrusionInfo.DontExport)
{
dontExport = true;
return(null);
}
IFCAnyHandle repHnd = (extrusionInfo != null) ? extrusionInfo.RepresentationHandle : null;
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
{
materialIds = extrusionInfo.Materials;
extrusionCreationData.Slope = extrusionInfo.Slope;
}
else
{
// Here is where we limit the scope of how complex a case we will still try to export as a standard element.
// This is explicitly added so that many curved beams that can be represented by a reasonable facetation because of the
// SweptSolidExporter can still have an Axis representation.
BodyData bodyData = null;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
if (ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)
{
bodyExporterOptions.CollectMaterialAndProfile = false;
}
else
{
bodyExporterOptions.CollectMaterialAndProfile = true;
}
if (geomObjects != null && geomObjects.Count == 1 && geomObjects[0] is Solid)
{
bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId,
geomObjects[0], bodyExporterOptions, extrusionCreationData);
repHnd = bodyData.RepresentationHnd;
materialIds = bodyData.MaterialIds;
if (!bodyData.OffsetTransform.IsIdentity)
{
offsetTransform = bodyData.OffsetTransform;
}
materialAndProfile = bodyData.MaterialAndProfile;
}
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
{
extrusionCreationData.ClearOpenings();
return(null);
}
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
IFCAnyHandle axisRep = CreateBeamAxis(exporterIFC, element, catId, axisInfo, offsetTransform);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(axisRep))
{
representations.Add(axisRep);
}
representations.Add(repHnd);
Transform boundingBoxTrf = (offsetTransform == null) ? Transform.Identity : offsetTransform.Inverse;
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, boundingBoxTrf);
if (boundingBoxRep != null)
{
representations.Add(boundingBoxRep);
}
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
string instanceGUID = GUIDUtil.CreateGUID(element);
beam = IFCInstanceExporter.CreateBeam(exporterIFC, element, instanceGUID, ExporterCacheManager.OwnerHistoryHandle, extrusionCreationData.GetLocalPlacement(), prodRep, exportType.ValidatedPredefinedType);
IFCAnyHandle mpSetUsage;
if (materialProfileSet != null)
{
mpSetUsage = IFCInstanceExporter.CreateMaterialProfileSetUsage(file, materialProfileSet, null, null);
}
productWrapper.AddElement(element, beam, setter, extrusionCreationData, true, exportType);
ExportBeamType(exporterIFC, productWrapper, beam, element, exportType.ValidatedPredefinedType);
OpeningUtil.CreateOpeningsIfNecessary(beam, element, extrusionCreationData, offsetTransform, exporterIFC,
extrusionCreationData.GetLocalPlacement(), setter, productWrapper);
FamilyTypeInfo typeInfo = new FamilyTypeInfo();
typeInfo.ScaledDepth = extrusionCreationData.ScaledLength;
typeInfo.ScaledArea = extrusionCreationData.ScaledArea;
typeInfo.ScaledInnerPerimeter = extrusionCreationData.ScaledInnerPerimeter;
typeInfo.ScaledOuterPerimeter = extrusionCreationData.ScaledOuterPerimeter;
PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, beam, element, typeInfo, null);
if (materialIds.Count != 0)
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, beam, materialIds);
}
// Register the beam's IFC handle for later use by truss and beam system export.
ExporterCacheManager.ElementToHandleCache.Register(element.Id, beam, exportType);
}
}
transaction.Commit();
return(beam);
}
}
/// <summary>
/// Exports an element as IFC railing.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="element">
/// The element to be exported.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void ExportRailing(ExporterIFC exporterIFC, Element element, GeometryElement geomElem, string ifcEnumType, ProductWrapper productWrapper)
{
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcRailing;
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType;
IFCFile file = exporterIFC.GetFile();
Options geomOptions = GeometryUtil.GetIFCExportGeometryOptions();
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
IFCAnyHandle localPlacement = setter.LocalPlacement;
StairRampContainerInfo stairRampInfo = null;
ElementId hostId = GetStairOrRampHostId(exporterIFC, element as Railing);
Transform inverseTrf = Transform.Identity;
if (hostId != ElementId.InvalidElementId)
{
stairRampInfo = ExporterCacheManager.StairRampContainerInfoCache.GetStairRampContainerInfo(hostId);
IFCAnyHandle stairRampLocalPlacement = stairRampInfo.LocalPlacements[0];
Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(stairRampLocalPlacement, localPlacement);
inverseTrf = relTrf.Inverse;
IFCAnyHandle railingLocalPlacement = ExporterUtil.CreateLocalPlacement(file, stairRampLocalPlacement,
inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
localPlacement = railingLocalPlacement;
}
ecData.SetLocalPlacement(localPlacement);
SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geomElem);
IList <Solid> solids = solidMeshInfo.GetSolids();
IList <Mesh> meshes = solidMeshInfo.GetMeshes();
Railing railingElem = element as Railing;
IList <ElementId> subElementIds = CollectSubElements(railingElem);
foreach (ElementId subElementId in subElementIds)
{
Element subElement = railingElem.Document.GetElement(subElementId);
if (subElement != null)
{
GeometryElement subElementGeom = GeometryUtil.GetOneLevelGeometryElement(subElement.get_Geometry(geomOptions), 0);
SolidMeshGeometryInfo subElementSolidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(subElementGeom);
IList <Solid> subElementSolids = subElementSolidMeshInfo.GetSolids();
IList <Mesh> subElementMeshes = subElementSolidMeshInfo.GetMeshes();
foreach (Solid subElementSolid in subElementSolids)
{
solids.Add(subElementSolid);
}
foreach (Mesh subElementMesh in subElementMeshes)
{
meshes.Add(subElementMesh);
}
}
}
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
BodyData bodyData = null;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.Medium);
//bodyExporterOptions.UseGroupsIfPossible = true;
//bodyExporterOptions.UseMappedGeometriesIfPossible = true;
if (solids.Count > 0 || meshes.Count > 0)
{
bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId, solids, meshes, bodyExporterOptions, ecData);
}
else
{
IList <GeometryObject> geomlist = new List <GeometryObject>();
geomlist.Add(geomElem);
bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId, geomlist, bodyExporterOptions, ecData);
}
IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
if (ecData != null)
{
ecData.ClearOpenings();
}
return;
}
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
representations.Add(bodyRep);
IList <GeometryObject> geomObjects = new List <GeometryObject>();
foreach (Solid solid in solids)
{
geomObjects.Add(solid);
}
foreach (Mesh mesh in meshes)
{
geomObjects.Add(mesh);
}
Transform boundingBoxTrf = (bodyData.OffsetTransform != null) ? bodyData.OffsetTransform.Inverse : Transform.Identity;
boundingBoxTrf = inverseTrf.Multiply(boundingBoxTrf);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomObjects, boundingBoxTrf);
if (boundingBoxRep != null)
{
representations.Add(boundingBoxRep);
}
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
string instanceGUID = GUIDUtil.CreateGUID(element);
//string railingType = IFCValidateEntry.GetValidIFCPredefinedType(element, ifcEnumType);
IFCAnyHandle railing = IFCInstanceExporter.CreateRailing(exporterIFC, element, instanceGUID, ownerHistory,
ecData.GetLocalPlacement(), prodRep, ifcEnumType);
bool associateToLevel = (hostId == ElementId.InvalidElementId);
productWrapper.AddElement(element, railing, setter, ecData, associateToLevel);
OpeningUtil.CreateOpeningsIfNecessary(railing, element, ecData, bodyData.OffsetTransform,
exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
CategoryUtil.CreateMaterialAssociation(exporterIFC, railing, bodyData.MaterialIds);
// Create multi-story duplicates of this railing.
if (stairRampInfo != null)
{
stairRampInfo.AddComponent(0, railing);
List <IFCAnyHandle> stairHandles = stairRampInfo.StairOrRampHandles;
for (int ii = 1; ii < stairHandles.Count; ii++)
{
IFCAnyHandle railingLocalPlacement = stairRampInfo.LocalPlacements[ii];
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(railingLocalPlacement))
{
IFCAnyHandle railingHndCopy = CopyRailingHandle(exporterIFC, element, catId, railingLocalPlacement, railing);
stairRampInfo.AddComponent(ii, railingHndCopy);
productWrapper.AddElement(element, railingHndCopy, (IFCLevelInfo)null, ecData, false);
CategoryUtil.CreateMaterialAssociation(exporterIFC, railingHndCopy, bodyData.MaterialIds);
}
}
ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(hostId, stairRampInfo);
}
}
transaction.Commit();
}
}
}
/// <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.LevelId, false))
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(setter.LocalPlacement);
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, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
element, catId, geometryElement, bodyExporterOptions, null, ecData, true);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
{
ecData.ClearOpenings();
return;
}
}
string instanceGUID = GUIDUtil.CreateGUID(element);
//string pileType = IFCValidateEntry.GetValidIFCPredefinedType(element, ifcEnumType);
IFCAnyHandle pile = IFCInstanceExporter.CreatePile(exporterIFC, element, instanceGUID, ExporterCacheManager.OwnerHistoryHandle,
ecData.GetLocalPlacement(), prodRep, ifcEnumType, null);
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, element, pile, productWrapper, setter, setter.LocalPlacement, 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>
/// Exports a gutter element.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportGutter(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, ProductWrapper productWrapper)
{
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcPipeSegmentType;
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
// Check for containment override
IFCAnyHandle overrideContainerHnd = null;
ElementId overrideContainerId = ParameterUtil.OverrideContainmentParameter(exporterIFC, element, out overrideContainerHnd);
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, null, null, overrideContainerId, overrideContainerHnd))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(setter.LocalPlacement);
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
IFCAnyHandle bodyRep = BodyExporter.ExportBody(exporterIFC, element, categoryId, ElementId.InvalidElementId,
geometryElement, bodyExporterOptions, ecData).RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
if (ecData != null)
{
ecData.ClearOpenings();
}
return;
}
string originalTag = NamingUtil.CreateIFCElementId(element);
// In Revit, we don't have a corresponding type, so we create one for every gutter.
IFCAnyHandle origin = ExporterUtil.CreateAxis2Placement3D(file);
IFCAnyHandle repMap3dHnd = IFCInstanceExporter.CreateRepresentationMap(file, origin, bodyRep);
List <IFCAnyHandle> repMapList = new List <IFCAnyHandle>();
repMapList.Add(repMap3dHnd);
string elementTypeName = NamingUtil.CreateIFCObjectName(exporterIFC, element);
string typeGuid = GUIDUtil.CreateSubElementGUID(element, (int)IFCHostedSweepSubElements.PipeSegmentType);
IFCAnyHandle style = IFCInstanceExporter.CreatePipeSegmentType(file, null, null, repMapList, IFCPipeSegmentType.Gutter);
IFCAnyHandleUtil.OverrideNameAttribute(style, elementTypeName);
IFCExportInfoPair exportInfo = new IFCExportInfoPair(IFCEntityType.IfcPipeSegmentType, IFCPipeSegmentType.Gutter.ToString());
IFCAnyHandleUtil.SetAttribute(style, "Tag", originalTag);
ExporterUtil.SetGlobalId(style, typeGuid);
IFCAnyHandleUtil.SetAttribute(style, "ElementType", elementTypeName);
List <IFCAnyHandle> representationMaps = GeometryUtil.GetRepresentationMaps(style);
IFCAnyHandle mappedItem = ExporterUtil.CreateDefaultMappedItem(file, representationMaps[0]);
ISet <IFCAnyHandle> representations = new HashSet <IFCAnyHandle>();
representations.Add(mappedItem);
IFCAnyHandle bodyMappedItemRep = RepresentationUtil.CreateBodyMappedItemRep(exporterIFC,
element, categoryId, exporterIFC.Get3DContextHandle("Body"), representations);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyMappedItemRep))
{
return;
}
List <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>();
shapeReps.Add(bodyMappedItemRep);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, Transform.Identity);
if (boundingBoxRep != null)
{
shapeReps.Add(boundingBoxRep);
}
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
IFCAnyHandle localPlacementToUse;
ElementId roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse);
if (roomId == ElementId.InvalidElementId)
{
localPlacementToUse = ecData.GetLocalPlacement();
}
string guid = GUIDUtil.CreateGUID(element);
IFCAnyHandle elemHnd = IFCInstanceExporter.CreateFlowSegment(exporterIFC, element, guid,
ExporterCacheManager.OwnerHistoryHandle, localPlacementToUse, prodRep);
bool containedInSpace = (roomId != ElementId.InvalidElementId);
productWrapper.AddElement(element, elemHnd, setter.LevelInfo, ecData, !containedInSpace, exportInfo);
if (containedInSpace)
{
ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomId, elemHnd);
}
// Associate segment with type.
ExporterCacheManager.TypeRelationsCache.Add(style, elemHnd);
OpeningUtil.CreateOpeningsIfNecessary(elemHnd, element, ecData, null,
exporterIFC, localPlacementToUse, setter, productWrapper);
}
tr.Commit();
}
}
}
/// <summary>
/// Exports a beam to IFC beam.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="element">
/// The element to be exported.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void ExportBeam(ExporterIFC exporterIFC,
Element element, GeometryElement geometryElement, ProductWrapper productWrapper)
{
if (geometryElement == null)
{
return;
}
IFCFile file = exporterIFC.GetFile();
double scale = exporterIFC.LinearScale;
using (IFCTransaction transaction = new IFCTransaction(file))
{
LocationCurve locCurve = element.Location as LocationCurve;
Transform orientTrf = Transform.Identity;
bool canExportAxis = (locCurve != null);
IFCAnyHandle axisRep = null;
XYZ beamDirection = null;
XYZ projDir = null;
Curve curve = null;
Plane plane = null;
if (canExportAxis)
{
curve = locCurve.Curve;
if (curve is Line)
{
Line line = curve as Line;
XYZ planeY, planeOrig;
planeOrig = line.get_EndPoint(0);
beamDirection = line.Direction;
if (Math.Abs(beamDirection.Z) < 0.707) // approx 1.0/sqrt(2.0)
{
planeY = XYZ.BasisZ.CrossProduct(beamDirection);
}
else
{
planeY = XYZ.BasisX.CrossProduct(beamDirection);
}
planeY = planeY.Normalize();
projDir = beamDirection.CrossProduct(planeY);
plane = new Plane(beamDirection, planeY, planeOrig);
orientTrf.BasisX = beamDirection; orientTrf.BasisY = planeY; orientTrf.BasisZ = projDir; orientTrf.Origin = planeOrig;
}
else if (curve is Arc)
{
XYZ yDir, center;
Arc arc = curve as Arc;
beamDirection = arc.XDirection; yDir = arc.YDirection; projDir = arc.Normal; center = arc.Center;
plane = new Plane(beamDirection, yDir, center);
orientTrf.BasisX = beamDirection; orientTrf.BasisY = yDir; orientTrf.BasisZ = projDir; orientTrf.Origin = center;
}
else
{
canExportAxis = false;
}
}
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, canExportAxis ? orientTrf : null, ExporterUtil.GetBaseLevelIdForElement(element)))
{
IFCAnyHandle localPlacement = setter.GetPlacement();
SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement);
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
extrusionCreationData.SetLocalPlacement(localPlacement);
if (canExportAxis && (orientTrf.BasisX != null))
{
extrusionCreationData.CustomAxis = beamDirection;
extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryCustom;
}
else
{
extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryXY;
}
IList <Solid> solids = solidMeshInfo.GetSolids();
IList <Mesh> meshes = solidMeshInfo.GetMeshes();
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
// The representation handle generated from one of the methods below.
IFCAnyHandle repHnd = null;
// The list of materials in the solids or meshes.
ICollection <ElementId> materialIds = new HashSet <ElementId>();
// There may be an offset to make the local coordinate system
// be near the origin. This offset will be used to move the axis to the new LCS.
Transform offsetTransform = null;
// If we have a beam with a Linear location line that only has one solid geometry,
// we will try to use the ExtrusionAnalyzer to generate an extrusion with 0 or more clippings.
// This code is currently limited in that it will not process beams with openings, so we
// use other methods below if this one fails.
if (solids.Count == 1 && meshes.Count == 0 && (canExportAxis && (curve is Line)))
{
bool completelyClipped;
beamDirection = orientTrf.BasisX;
Plane beamExtrusionPlane = new Plane(orientTrf.BasisY, orientTrf.BasisZ, orientTrf.Origin);
repHnd = ExtrusionExporter.CreateExtrusionWithClipping(exporterIFC, element,
catId, solids[0], beamExtrusionPlane, beamDirection, null, out completelyClipped);
if (completelyClipped)
{
return;
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
{
// This is used by the BeamSlopeCalculator. This should probably be generated automatically by
// CreateExtrusionWithClipping.
IFCExtrusionBasis bestAxis = (Math.Abs(beamDirection[0]) > Math.Abs(beamDirection[1])) ?
IFCExtrusionBasis.BasisX : IFCExtrusionBasis.BasisY;
extrusionCreationData.Slope = GeometryUtil.GetSimpleExtrusionSlope(beamDirection, bestAxis);
ElementId materialId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(solids[0], exporterIFC, element);
if (materialId != ElementId.InvalidElementId)
{
materialIds.Add(materialId);
}
}
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
{
BodyData bodyData = null;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
if (solids.Count > 0 || meshes.Count > 0)
{
bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId,
solids, meshes, bodyExporterOptions, extrusionCreationData);
}
else
{
IList <GeometryObject> geomlist = new List <GeometryObject>();
geomlist.Add(geometryElement);
bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId,
geomlist, bodyExporterOptions, extrusionCreationData);
}
repHnd = bodyData.RepresentationHnd;
materialIds = bodyData.MaterialIds;
offsetTransform = bodyData.OffsetTransform;
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
{
extrusionCreationData.ClearOpenings();
return;
}
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
if (canExportAxis)
{
XYZ curveOffset = new XYZ(0, 0, 0);
if (offsetTransform != null)
{
curveOffset = -offsetTransform.Origin / scale;
}
else
{
// Note that we do not have to have any scaling adjustment here, since the curve origin is in the
// same internal coordinate system as the curve.
curveOffset = -plane.Origin;
}
Plane offsetPlane = new Plane(plane.XVec, plane.YVec, XYZ.Zero);
IFCGeometryInfo info = IFCGeometryInfo.CreateCurveGeometryInfo(exporterIFC, offsetPlane, projDir, false);
ExporterIFCUtils.CollectGeometryInfo(exporterIFC, info, curve, curveOffset, true);
IList <IFCAnyHandle> axis_items = info.GetCurves();
if (axis_items.Count > 0)
{
string identifierOpt = "Axis"; // this is by IFC2x2 convention, not temporary
string representationTypeOpt = "Curve2D"; // this is by IFC2x2 convention, not temporary
axisRep = RepresentationUtil.CreateShapeRepresentation(exporterIFC, element, catId, exporterIFC.Get3DContextHandle(identifierOpt),
identifierOpt, representationTypeOpt, axis_items);
representations.Add(axisRep);
}
}
representations.Add(repHnd);
Transform boundingBoxTrf = (offsetTransform == null) ? Transform.Identity : offsetTransform.Inverse;
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, boundingBoxTrf);
if (boundingBoxRep != null)
{
representations.Add(boundingBoxRep);
}
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
string instanceGUID = GUIDUtil.CreateGUID(element);
string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, NamingUtil.CreateIFCObjectName(exporterIFC, element));
string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
IFCAnyHandle beam = IFCInstanceExporter.CreateBeam(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
instanceName, instanceDescription, instanceObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, instanceTag);
productWrapper.AddElement(element, beam, setter, extrusionCreationData, true);
OpeningUtil.CreateOpeningsIfNecessary(beam, element, extrusionCreationData, offsetTransform, exporterIFC,
extrusionCreationData.GetLocalPlacement(), setter, productWrapper);
FamilyTypeInfo typeInfo = new FamilyTypeInfo();
typeInfo.ScaledDepth = extrusionCreationData.ScaledLength;
typeInfo.ScaledArea = extrusionCreationData.ScaledArea;
typeInfo.ScaledInnerPerimeter = extrusionCreationData.ScaledInnerPerimeter;
typeInfo.ScaledOuterPerimeter = extrusionCreationData.ScaledOuterPerimeter;
PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, beam, element, typeInfo);
if (materialIds.Count != 0)
{
CategoryUtil.CreateMaterialAssociations(exporterIFC, beam, materialIds);
}
// Register the beam's IFC handle for later use by truss and beam system export.
ExporterCacheManager.ElementToHandleCache.Register(element.Id, beam);
}
}
transaction.Commit();
}
}
/// <summary>
/// Exports an element as IFC covering.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element to be exported.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportCovering(ExporterIFC exporterIFC, Element element, GeometryElement geomElem, string ifcEnumType, ProductWrapper productWrapper)
{
bool exportParts = PartExporter.CanExportParts(element);
if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.LevelId, false))
{
return;
}
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum;
if (Enum.TryParse <Common.Enums.IFCEntityType>("IfcCovering", out elementClassTypeEnum))
{
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
}
ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
IFCAnyHandle prodRep = null;
if (!exportParts)
{
ecData.SetLocalPlacement(setter.LocalPlacement);
ecData.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element,
categoryId, geomElem, bodyExporterOptions, null, ecData, true);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
{
ecData.ClearOpenings();
return;
}
}
// We will use the category of the element to set a default value for the covering.
string defaultCoveringEnumType = null;
if (categoryId == new ElementId(BuiltInCategory.OST_Ceilings))
{
defaultCoveringEnumType = "CEILING";
}
else if (categoryId == new ElementId(BuiltInCategory.OST_Floors))
{
defaultCoveringEnumType = "FLOORING";
}
else if (categoryId == new ElementId(BuiltInCategory.OST_Roofs))
{
defaultCoveringEnumType = "ROOFING";
}
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));
string coveringType = IFCValidateEntry.GetValidIFCType(element, ifcEnumType, defaultCoveringEnumType);
IFCAnyHandle covering = IFCInstanceExporter.CreateCovering(file, instanceGUID, ExporterCacheManager.OwnerHistoryHandle,
instanceName, instanceDescription, instanceObjectType, setter.LocalPlacement, prodRep, instanceTag, coveringType);
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, element, covering, productWrapper, setter, setter.LocalPlacement, null);
}
bool containInSpace = false;
IFCAnyHandle localPlacementToUse = setter.LocalPlacement;
// Ceiling containment in Space is generally required and not specific to any view
if (ExporterCacheManager.CeilingSpaceRelCache.ContainsKey(element.Id))
{
IList <ElementId> roomlist = ExporterCacheManager.CeilingSpaceRelCache[element.Id];
// Process Ceiling to be contained in a Space only when it is exactly bounding one Space
if (roomlist.Count == 1)
{
productWrapper.AddElement(element, covering, setter, null, false);
// Modify the Ceiling placement to be relative to the Space that it bounds
IFCAnyHandle roomPlacement = IFCAnyHandleUtil.GetObjectPlacement(ExporterCacheManager.SpaceInfoCache.FindSpaceHandle(roomlist[0]));
Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(roomPlacement, localPlacementToUse);
Transform inverseTrf = relTrf.Inverse;
IFCAnyHandle relLocalPlacement = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
IFCAnyHandleUtil.SetAttribute(localPlacementToUse, "PlacementRelTo", roomPlacement);
GeometryUtil.SetRelativePlacement(localPlacementToUse, relLocalPlacement);
ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomlist[0], covering);
containInSpace = true;
}
}
// if not contained in Space, assign it to default containment in Level
if (!containInSpace)
{
productWrapper.AddElement(element, covering, setter, null, true);
}
if (!exportParts)
{
Ceiling ceiling = element as Ceiling;
if (ceiling != null)
{
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, ceiling, covering,
geomElem, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, null);
}
else
{
ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geomElem, exporterIFC, element);
CategoryUtil.CreateMaterialAssociation(exporterIFC, covering, matId);
}
}
OpeningUtil.CreateOpeningsIfNecessary(covering, element, ecData, null,
exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
}
}
transaction.Commit();
}
}
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 roof to IfcRoof.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="ifcEnumType">The roof type.</param>
/// <param name="roof">The roof element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportRoof(ExporterIFC exporterIFC, string ifcEnumType, Element roof, GeometryElement geometryElement,
ProductWrapper productWrapper)
{
if (roof == null || geometryElement == null)
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, roof))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
// If the roof is an in-place family, we will allow any arbitrary orientation. While this may result in some
// in-place "cubes" exporting with the wrong direction, it is unlikely that an in-place family would be
// used for this reason in the first place.
ecData.PossibleExtrusionAxes = (roof is FamilyInstance) ? IFCExtrusionAxes.TryXYZ : IFCExtrusionAxes.TryZ;
ecData.AreInnerRegionsOpenings = true;
ecData.SetLocalPlacement(placementSetter.LocalPlacement);
ElementId categoryId = CategoryUtil.GetSafeCategoryId(roof);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
BodyData bodyData;
IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, roof,
categoryId, geometryElement, bodyExporterOptions, null, ecData, out bodyData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
{
ecData.ClearOpenings();
return;
}
bool exportSlab = ecData.ScaledLength > MathUtil.Eps();
string guid = GUIDUtil.CreateGUID(roof);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
string roofName = NamingUtil.GetNameOverride(roof, NamingUtil.GetIFCName(roof));
string roofDescription = NamingUtil.GetDescriptionOverride(roof, null);
string roofObjectType = NamingUtil.GetObjectTypeOverride(roof, NamingUtil.CreateIFCObjectName(exporterIFC, roof));
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
string elementTag = NamingUtil.GetTagOverride(roof, NamingUtil.CreateIFCElementId(roof));
string roofType = GetIFCRoofType(ifcEnumType);
roofType = IFCValidateEntry.GetValidIFCType(roof, ifcEnumType);
IFCAnyHandle roofHnd = IFCInstanceExporter.CreateRoof(file, guid, ownerHistory, roofName, roofDescription,
roofObjectType, localPlacement, exportSlab ? null : representation, elementTag, roofType);
productWrapper.AddElement(roof, roofHnd, placementSetter.LevelInfo, ecData, true);
// will export its host object materials later if it is a roof
if (!(roof is RoofBase))
{
CategoryUtil.CreateMaterialAssociations(exporterIFC, roofHnd, bodyData.MaterialIds);
}
if (exportSlab)
{
string slabGUID = GUIDUtil.CreateSubElementGUID(roof, (int)IFCRoofSubElements.RoofSlabStart);
string slabName = roofName + ":1";
IFCAnyHandle slabLocalPlacementHnd = ExporterUtil.CopyLocalPlacement(file, localPlacement);
IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, slabGUID, ownerHistory, slabName,
roofDescription, roofObjectType, slabLocalPlacementHnd, representation, elementTag, "ROOF");
Transform offsetTransform = (bodyData != null) ? bodyData.OffsetTransform : Transform.Identity;
OpeningUtil.CreateOpeningsIfNecessary(slabHnd, roof, ecData, offsetTransform,
exporterIFC, slabLocalPlacementHnd, placementSetter, productWrapper);
ExporterUtil.RelateObject(exporterIFC, roofHnd, slabHnd);
productWrapper.AddElement(null, slabHnd, placementSetter.LevelInfo, ecData, false);
CategoryUtil.CreateMaterialAssociations(exporterIFC, slabHnd, bodyData.MaterialIds);
}
}
tr.Commit();
}
}
}
/// <summary>
/// Exports a gutter element.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportGutter(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(setter.LocalPlacement);
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions();
IFCAnyHandle bodyRep = BodyExporter.ExportBody(exporterIFC, element, categoryId, ElementId.InvalidElementId,
geometryElement, bodyExporterOptions, ecData).RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
if (ecData != null)
{
ecData.ClearOpenings();
}
return;
}
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string originalTag = NamingUtil.CreateIFCElementId(element);
// In Revit, we don't have a corresponding type, so we create one for every gutter.
IFCAnyHandle origin = ExporterUtil.CreateAxis2Placement3D(file);
IFCAnyHandle repMap3dHnd = IFCInstanceExporter.CreateRepresentationMap(file, origin, bodyRep);
List <IFCAnyHandle> repMapList = new List <IFCAnyHandle>();
repMapList.Add(repMap3dHnd);
string elementTypeName = NamingUtil.CreateIFCObjectName(exporterIFC, element);
string typeGuid = GUIDUtil.CreateSubElementGUID(element, (int)IFCHostedSweepSubElements.PipeSegmentType);
IFCAnyHandle style = IFCInstanceExporter.CreatePipeSegmentType(file, typeGuid, ownerHistory,
elementTypeName, null, null, null, repMapList, originalTag,
elementTypeName, IFCPipeSegmentType.Gutter);
List <IFCAnyHandle> representationMaps = GeometryUtil.GetRepresentationMaps(style);
IFCAnyHandle mappedItem = ExporterUtil.CreateDefaultMappedItem(file, representationMaps[0]);
ISet <IFCAnyHandle> representations = new HashSet <IFCAnyHandle>();
representations.Add(mappedItem);
IFCAnyHandle bodyMappedItemRep = RepresentationUtil.CreateBodyMappedItemRep(exporterIFC,
element, categoryId, exporterIFC.Get3DContextHandle("Body"), representations);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyMappedItemRep))
{
return;
}
List <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>();
shapeReps.Add(bodyMappedItemRep);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, Transform.Identity);
if (boundingBoxRep != null)
{
shapeReps.Add(boundingBoxRep);
}
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
IFCAnyHandle localPlacementToUse;
ElementId roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse);
if (roomId == ElementId.InvalidElementId)
{
localPlacementToUse = ecData.GetLocalPlacement();
}
string guid = GUIDUtil.CreateGUID(element);
string name = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, elementTypeName);
string tag = NamingUtil.GetTagOverride(element, originalTag);
IFCAnyHandle elemHnd = IFCInstanceExporter.CreateFlowSegment(file, guid,
ownerHistory, name, description, objectType, localPlacementToUse, prodRep, tag);
bool containedInSpace = (roomId != ElementId.InvalidElementId);
productWrapper.AddElement(element, elemHnd, setter.LevelInfo, ecData, !containedInSpace);
if (containedInSpace)
{
ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomId, elemHnd);
}
// Associate segment with type.
ExporterCacheManager.TypeRelationsCache.Add(style, elemHnd);
OpeningUtil.CreateOpeningsIfNecessary(elemHnd, element, ecData, null,
exporterIFC, localPlacementToUse, setter, productWrapper);
}
tr.Commit();
}
}
}
/// <summary>
/// Exports an element to IFC footing.
/// </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 ExportFooting(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.LevelId, false))
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(setter.LocalPlacement);
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));
string footingType = GetIFCFootingType(ifcEnumType); // need to keep it for legacy support when original data follows slightly diff naming
footingType = IFCValidateEntry.GetValidIFCType(element, footingType);
IFCAnyHandle footing = IFCInstanceExporter.CreateFooting(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(), prodRep, instanceTag, footingType);
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, element, footing, productWrapper, setter, setter.LocalPlacement, null);
}
else
{
if (matId != ElementId.InvalidElementId)
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, footing, matId);
}
}
productWrapper.AddElement(element, footing, setter, ecData, true);
OpeningUtil.CreateOpeningsIfNecessary(footing, element, ecData, null,
exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
}
}
tr.Commit();
}
}
/// <summary>
/// Exports a beam to IFC beam if it has an axis representation and only one Solid as its geometry, ideally as an extrusion, potentially with clippings and openings.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element to be exported.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <param name="dontExport">An output value that says that the element shouldn't be exported at all.</param>
/// <returns>The created handle.</returns>
/// <remarks>In the original implementation, the ExportBeam function would export each beam as its own individual geometry (that is, not use representation maps).
/// For non-standard beams, this could result in massive IFC files. Now, we use the ExportBeamAsStandardElement function and limit its scope, and instead
/// resort to the standard FamilyInstanceExporter.ExportFamilyInstanceAsMappedItem for more complicated objects categorized as beams. This has the following pros and cons:
/// Pro: possiblity for massively reduced file sizes for files containing repeated complex beam families
/// Con: some beams that may have had an "Axis" representation before will no longer have them, although this possibility is minimized.
/// Con: some beams that have 1 Solid and an axis, but that Solid will be heavily faceted, won't be helped by this improvement.
/// It is intended that we phase out this routine entirely and instead teach ExportFamilyInstanceAsMappedItem how to sometimes export the Axis representation for beams.</remarks>
public static IFCAnyHandle ExportBeamAsStandardElement(ExporterIFC exporterIFC,
Element element, GeometryElement geometryElement, ProductWrapper productWrapper, out bool dontExport)
{
dontExport = true;
IList <GeometryObject> geomObjects = BeamGeometryToExport(exporterIFC, element, geometryElement, out dontExport);
if (dontExport)
{
return(null);
}
IFCAnyHandle beam = null;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
BeamAxisInfo axisInfo = GetBeamAxisTransform(element);
bool canExportAxis = (axisInfo != null);
Curve curve = canExportAxis ? axisInfo.Axis : null;
XYZ beamDirection = canExportAxis ? axisInfo.AxisDirection : null;
Transform orientTrf = canExportAxis ? axisInfo.LCSAsTransform : null;
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, null, orientTrf))
{
IFCAnyHandle localPlacement = setter.LocalPlacement;
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
extrusionCreationData.SetLocalPlacement(localPlacement);
if (canExportAxis && (orientTrf.BasisX != null))
{
extrusionCreationData.CustomAxis = beamDirection;
extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryCustom;
}
else
{
extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryXY;
}
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
// There may be an offset to make the local coordinate system
// be near the origin. This offset will be used to move the axis to the new LCS.
Transform offsetTransform = null;
// The list of materials in the solids or meshes.
ICollection <ElementId> materialIds = null;
// The representation handle generated from one of the methods below.
BeamBodyAsExtrusionInfo extrusionInfo = CreateBeamGeometryAsExtrusion(exporterIFC, element, catId, geomObjects, axisInfo);
if (extrusionInfo != null && extrusionInfo.DontExport)
{
dontExport = true;
return(null);
}
IFCAnyHandle repHnd = (extrusionInfo != null) ? extrusionInfo.RepresentationHandle : null;
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
{
materialIds = extrusionInfo.Materials;
extrusionCreationData.Slope = extrusionInfo.Slope;
}
else
{
// Here is where we limit the scope of how complex a case we will still try to export as a standard element.
// This is explicitly added so that many curved beams that can be represented by a reasonable facetation because of the
// SweptSolidExporter can still have an Axis representation.
BodyData bodyData = null;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
if (geomObjects != null && geomObjects.Count == 1 && geomObjects[0] is Solid)
{
bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId,
geomObjects[0], bodyExporterOptions, extrusionCreationData);
repHnd = bodyData.RepresentationHnd;
materialIds = bodyData.MaterialIds;
offsetTransform = bodyData.OffsetTransform;
}
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
{
extrusionCreationData.ClearOpenings();
return(null);
}
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
IFCAnyHandle axisRep = CreateBeamAxis(exporterIFC, element, catId, axisInfo, offsetTransform);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(axisRep))
{
representations.Add(axisRep);
}
representations.Add(repHnd);
Transform boundingBoxTrf = (offsetTransform == null) ? Transform.Identity : offsetTransform.Inverse;
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, boundingBoxTrf);
if (boundingBoxRep != null)
{
representations.Add(boundingBoxRep);
}
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
string instanceGUID = GUIDUtil.CreateGUID(element);
string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, NamingUtil.CreateIFCObjectName(exporterIFC, element));
string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
string preDefinedType = "BEAM"; // Default predefined type for Beam
preDefinedType = IFCValidateEntry.GetValidIFCType(element, preDefinedType);
beam = IFCInstanceExporter.CreateBeam(file, instanceGUID, ExporterCacheManager.OwnerHistoryHandle,
instanceName, instanceDescription, instanceObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, instanceTag, preDefinedType);
productWrapper.AddElement(element, beam, setter, extrusionCreationData, true);
OpeningUtil.CreateOpeningsIfNecessary(beam, element, extrusionCreationData, offsetTransform, exporterIFC,
extrusionCreationData.GetLocalPlacement(), setter, productWrapper);
FamilyTypeInfo typeInfo = new FamilyTypeInfo();
typeInfo.ScaledDepth = extrusionCreationData.ScaledLength;
typeInfo.ScaledArea = extrusionCreationData.ScaledArea;
typeInfo.ScaledInnerPerimeter = extrusionCreationData.ScaledInnerPerimeter;
typeInfo.ScaledOuterPerimeter = extrusionCreationData.ScaledOuterPerimeter;
PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, beam, element, typeInfo, null);
if (materialIds.Count != 0)
{
CategoryUtil.CreateMaterialAssociations(exporterIFC, beam, materialIds);
}
// Register the beam's IFC handle for later use by truss and beam system export.
ExporterCacheManager.ElementToHandleCache.Register(element.Id, beam);
}
}
transaction.Commit();
return(beam);
}
}
/// <summary>
/// Exports a generic element as an IfcSlab.</summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="floor">The floor 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>
/// <returns>True if the floor is exported successfully, false otherwise.</returns>
public static void ExportGenericSlab(ExporterIFC exporterIFC, Element slabElement, GeometryElement geometryElement, string ifcEnumType,
ProductWrapper productWrapper)
{
if (geometryElement == null)
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (IFCTransformSetter transformSetter = IFCTransformSetter.Create())
{
using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, slabElement))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
bool exportParts = PartExporter.CanExportParts(slabElement);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
IFCAnyHandle localPlacement = placementSetter.LocalPlacement;
IFCAnyHandle prodDefHnd = null;
bool isBRepSlabHnd = false;
if (!exportParts)
{
ecData.SetLocalPlacement(localPlacement);
ElementId catId = CategoryUtil.GetSafeCategoryId(slabElement);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.Medium);
BodyData bodyData;
prodDefHnd = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
slabElement, catId, geometryElement, bodyExporterOptions, null, ecData, out bodyData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodDefHnd))
{
ecData.ClearOpenings();
return;
}
isBRepSlabHnd = (bodyData.ShapeRepresentationType == ShapeRepresentationType.Brep);
}
// Create the slab from either the extrusion or the BRep information.
string ifcGUID = GUIDUtil.CreateGUID(slabElement);
string entityType = IFCValidateEntry.GetValidIFCType <IFCSlabType>(slabElement, ifcEnumType, "FLOOR");
string ifcName = NamingUtil.GetNameOverride(slabElement, NamingUtil.GetIFCName(slabElement));
string ifcDescription = NamingUtil.GetDescriptionOverride(slabElement, null);
string ifcObjectType = NamingUtil.GetObjectTypeOverride(slabElement, exporterIFC.GetFamilyName());
string ifcTag = NamingUtil.GetTagOverride(slabElement, NamingUtil.CreateIFCElementId(slabElement));
IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, ifcGUID, ownerHistory, ifcName,
ifcDescription, ifcObjectType, localPlacement, exportParts ? null : prodDefHnd,
ifcTag, entityType);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(slabHnd))
{
return;
}
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, slabElement, slabHnd, productWrapper, placementSetter, localPlacement, null);
}
productWrapper.AddElement(slabElement, slabHnd, placementSetter, ecData, true);
if (!exportParts)
{
if (slabElement is HostObject)
{
HostObject hostObject = slabElement as HostObject;
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, hostObject, slabHnd,
geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, isBRepSlabHnd);
}
else if (slabElement is FamilyInstance)
{
ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, slabElement);
Document doc = slabElement.Document;
CategoryUtil.CreateMaterialAssociation(exporterIFC, slabHnd, matId);
}
OpeningUtil.CreateOpeningsIfNecessary(slabHnd, slabElement, ecData, null,
exporterIFC, ecData.GetLocalPlacement(), placementSetter, productWrapper);
}
}
}
tr.Commit();
return;
}
}
}
/// <summary>
/// Exports an element as IFC railing.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="element">
/// The element to be exported.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="productWrapper">
/// The IFCProductWrapper.
/// </param>
public static void ExportRailing(ExporterIFC exporterIFC, Element element, GeometryElement geomElem, string ifcEnumType, IFCProductWrapper productWrapper)
{
ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType;
IFCFile file = exporterIFC.GetFile();
Options geomOptions = GeometryUtil.GetIFCExportGeometryOptions();
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(setter.GetPlacement());
SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSolidMeshGeometry(geomElem, Transform.Identity);
IList <Solid> solids = solidMeshInfo.GetSolids();
IList <Mesh> meshes = solidMeshInfo.GetMeshes();
Railing railingElem = element as Railing;
IList <ElementId> subElementIds = CollectSubElements(railingElem);
foreach (ElementId subElementId in subElementIds)
{
Element subElement = railingElem.Document.GetElement(subElementId);
if (subElement != null)
{
GeometryElement subElementGeom = GeometryUtil.GetOneLevelGeometryElement(subElement.get_Geometry(geomOptions));
SolidMeshGeometryInfo subElementSolidMeshInfo = GeometryUtil.GetSolidMeshGeometry(subElementGeom, Transform.Identity);
IList <Solid> subElementSolids = subElementSolidMeshInfo.GetSolids();
IList <Mesh> subElementMeshes = subElementSolidMeshInfo.GetMeshes();
foreach (Solid subElementSolid in subElementSolids)
{
solids.Add(subElementSolid);
}
foreach (Mesh subElementMesh in subElementMeshes)
{
meshes.Add(subElementMesh);
}
}
}
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
BodyData bodyData = null;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
//bodyExporterOptions.UseGroupsIfPossible = true;
//bodyExporterOptions.UseMappedGeometriesIfPossible = true;
bodyExporterOptions.TessellationLevel = BodyExporterOptions.BodyTessellationLevel.Coarse;
if (solids.Count > 0 || meshes.Count > 0)
{
bodyData = BodyExporter.ExportBody(element.Document.Application, exporterIFC, element, catId, solids, meshes, bodyExporterOptions, ecData);
}
else
{
IList <GeometryObject> geomlist = new List <GeometryObject>();
geomlist.Add(geomElem);
bodyData = BodyExporter.ExportBody(element.Document.Application, exporterIFC, element, catId, geomlist, bodyExporterOptions, ecData);
}
IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
if (ecData != null)
{
ecData.ClearOpenings();
}
return;
}
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
representations.Add(bodyRep);
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string instanceGUID = ExporterIFCUtils.CreateGUID(element);
string origInstanceName = exporterIFC.GetName();
string instanceName = NamingUtil.GetNameOverride(element, origInstanceName);
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string instanceElemId = NamingUtil.CreateIFCElementId(element);
Toolkit.IFCRailingType railingType = GetIFCRailingType(element, ifcEnumType);
IFCAnyHandle railing = IFCInstanceExporter.CreateRailing(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(),
prodRep, instanceElemId, railingType);
ElementId hostId = GetStairOrRampHostId(exporterIFC, element as Railing);
bool associateToLevel = (hostId == ElementId.InvalidElementId) && LevelUtil.AssociateElementToLevel(element);
productWrapper.AddElement(railing, setter, ecData, associateToLevel);
OpeningUtil.CreateOpeningsIfNecessary(railing, element, ecData, exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
CategoryUtil.CreateMaterialAssociations(element.Document, exporterIFC, railing, bodyData.MaterialIds);
// Create multi-story duplicates of this railing.
if (hostId != ElementId.InvalidElementId)
{
StairRampContainerInfo stairRampInfo = ExporterCacheManager.StairRampContainerInfoCache.GetStairRampContainerInfo(hostId);
stairRampInfo.AddComponent(0, railing);
List <IFCAnyHandle> stairHandles = stairRampInfo.StairOrRampHandles;
for (int ii = 1; ii < stairHandles.Count; ii++)
{
IFCAnyHandle railingLocalPlacement = stairRampInfo.LocalPlacements[ii];
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(railingLocalPlacement))
{
IFCAnyHandle railingHndCopy = CopyRailingHandle(exporterIFC, element, catId, railingLocalPlacement, railing);
stairRampInfo.AddComponent(ii, railingHndCopy);
productWrapper.AddElement(railingHndCopy, (IFCLevelInfo)null, ecData, false);
CategoryUtil.CreateMaterialAssociations(element.Document, exporterIFC, railingHndCopy, bodyData.MaterialIds);
}
}
ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(hostId, stairRampInfo);
}
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);
}
transaction.Commit();
}
}
}
