/// <summary>
/// Exports an element as a covering of type insulation.
/// </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>
/// <returns>True if exported successfully, false otherwise.</returns>
public static bool ExportDuctLining(ExporterIFC exporterIFC, Element element,
GeometryElement geometryElement, ProductWrapper productWrapper)
{
if (element == null || geometryElement == null)
return false;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(placementSetter.GetPlacement());
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element,
categoryId, geometryElement, bodyExporterOptions, null, ecData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
{
ecData.ClearOpenings();
return false;
}
string guid = GUIDUtil.CreateGUID(element);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string revitObjectType = exporterIFC.GetFamilyName();
string name = NamingUtil.GetNameOverride(element, revitObjectType);
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, revitObjectType);
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
string elementTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
IFCAnyHandle ductLining = IFCInstanceExporter.CreateCovering(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag, IFCCoveringType.Wrapping);
productWrapper.AddElement(ductLining, placementSetter.GetLevelInfo(), ecData, LevelUtil.AssociateElementToLevel(element));
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);
}
}
tr.Commit();
return true;
}
}
/// <summary>
/// Exports an element as a zone.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportZone(ExporterIFC exporterIFC, Zone element,
ProductWrapper productWrapper)
{
if (element == null)
return;
HashSet<IFCAnyHandle> spaceHnds = new HashSet<IFCAnyHandle>();
SpaceSet spaces = element.Spaces;
foreach (Space space in spaces)
{
if (space == null)
continue;
IFCAnyHandle spaceHnd = ExporterCacheManager.SpatialElementHandleCache.Find(space.Id);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(spaceHnd))
spaceHnds.Add(spaceHnd);
}
if (spaceHnds.Count == 0)
return;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
string guid = GUIDUtil.CreateGUID(element);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string name = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
IFCAnyHandle zoneHnd = IFCInstanceExporter.CreateZone(file, guid, ownerHistory, name, description, objectType);
productWrapper.AddElement(element, zoneHnd);
string relAssignsGuid = GUIDUtil.CreateSubElementGUID(element, (int) IFCZoneSubElements.RelAssignsToGroup);
IFCInstanceExporter.CreateRelAssignsToGroup(file, relAssignsGuid, ownerHistory, null, null, spaceHnds, null, zoneHnd);
tr.Commit();
return;
}
}
/// <summary>
/// Exports an element as a group.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportAreaScheme(ExporterIFC exporterIFC, AreaScheme element,
ProductWrapper productWrapper)
{
if (element == null)
return;
HashSet<IFCAnyHandle> areaHandles = null;
if (!ExporterCacheManager.AreaSchemeCache.TryGetValue(element.Id, out areaHandles))
return;
if (areaHandles == null || areaHandles.Count == 0)
return;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
string guid = GUIDUtil.CreateGUID(element);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string name = NamingUtil.GetNameOverride(element, element.Name);
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string elementTag = NamingUtil.CreateIFCElementId(element);
IFCAnyHandle areaScheme = IFCInstanceExporter.CreateGroup(file, guid,
ownerHistory, name, description, objectType);
productWrapper.AddElement(element, areaScheme);
IFCInstanceExporter.CreateRelAssignsToGroup(file, GUIDUtil.CreateGUID(), ownerHistory,
null, null, areaHandles, null, areaScheme);
tr.Commit();
return;
}
}
/// <summary>
/// Exports a Group as an IfcGroup.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <returns>True if exported successfully, false otherwise.</returns>
public static bool ExportGroupElement(ExporterIFC exporterIFC, Group element,
ProductWrapper productWrapper)
{
if (element == null)
return false;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
IFCAnyHandle groupHnd = null;
string guid = GUIDUtil.CreateGUID(element);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string name = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string ifcEnumType;
IFCExportType exportAs = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType);
if (exportAs == IFCExportType.ExportGroup)
{
groupHnd = IFCInstanceExporter.CreateGroup(file, guid, ownerHistory, name, description, objectType);
}
if (groupHnd == null)
return false;
productWrapper.AddElement(element, groupHnd);
ExporterCacheManager.GroupCache.RegisterGroup(element.Id, groupHnd);
tr.Commit();
return true;
}
}
/// <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 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 (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(setter.GetPlacement());
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 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);
IFCAnyHandle style = IFCInstanceExporter.CreatePipeSegmentType(file, GUIDUtil.CreateGUID(element), exporterIFC.GetOwnerHistoryHandle(),
elementTypeName, null, null, null, repMapList, NamingUtil.CreateIFCElementId(element), elementTypeName, IFCPipeSegmentType.Gutter);
List<IFCAnyHandle> representationMaps = GeometryUtil.GetRepresentationMaps(style);
IFCAnyHandle mappedItem = ExporterUtil.CreateDefaultMappedItem(file, representationMaps[0]);
IList<IFCAnyHandle> representations = new List<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 name = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, elementTypeName);
string Tag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
IFCAnyHandle elemHnd = IFCInstanceExporter.CreateFlowSegment(file, GUIDUtil.CreateGUID(element),
exporterIFC.GetOwnerHistoryHandle(), name, description, objectType, localPlacementToUse, prodRep,
Tag);
if (roomId == ElementId.InvalidElementId)
{
productWrapper.AddElement(elemHnd, setter.GetLevelInfo(), ecData, true);
}
else
{
exporterIFC.RelateSpatialElement(roomId, elemHnd);
productWrapper.AddElement(elemHnd, setter.GetLevelInfo(), ecData, false);
}
OpeningUtil.CreateOpeningsIfNecessary(elemHnd, element, ecData, exporterIFC,
localPlacementToUse, setter, productWrapper);
}
tr.Commit();
}
}
}
/// <summary>
/// Exports mullion.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="mullion">
/// The mullion object.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="localPlacement">
/// The local placement handle.
/// </param>
/// <param name="setter">
/// The IFCPlacementSetter.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void Export(ExporterIFC exporterIFC, Mullion mullion, GeometryElement geometryElement,
IFCAnyHandle localPlacement, IFCPlacementSetter setter, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
using (IFCPlacementSetter mullionSetter = IFCPlacementSetter.Create(exporterIFC, mullion, null, null, ExporterUtil.GetBaseLevelIdForElement(mullion)))
{
using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
{
IFCAnyHandle mullionPlacement = mullionSetter.GetPlacement();
Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(localPlacement, mullionPlacement);
Transform inverseTrf = relTrf.Inverse;
IFCAnyHandle mullionRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
IFCAnyHandle mullionLocalPlacement = IFCInstanceExporter.CreateLocalPlacement(file, localPlacement, mullionRelativePlacement);
extraParams.SetLocalPlacement(mullionLocalPlacement);
ElementId catId = CategoryUtil.GetSafeCategoryId(mullion);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
IFCAnyHandle repHnd = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, mullion, catId,
geometryElement, bodyExporterOptions, null, extraParams, true);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
{
extraParams.ClearOpenings();
return;
}
string elemGUID = GUIDUtil.CreateGUID(mullion);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string elemObjectType = NamingUtil.CreateIFCObjectName(exporterIFC, mullion);
string name = NamingUtil.GetNameOverride(mullion, elemObjectType);
string description = NamingUtil.GetDescriptionOverride(mullion, null);
string objectType = NamingUtil.GetObjectTypeOverride(mullion, elemObjectType);
string elemTag = NamingUtil.GetTagOverride(mullion, NamingUtil.CreateIFCElementId(mullion));
IFCAnyHandle mullionHnd = IFCInstanceExporter.CreateMember(file, elemGUID, ownerHistory, name, description, objectType,
mullionLocalPlacement, repHnd, elemTag);
ExporterCacheManager.HandleToElementCache.Register(mullionHnd, mullion.Id);
productWrapper.AddElement(mullion, mullionHnd, mullionSetter, extraParams, false);
ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, mullion);
CategoryUtil.CreateMaterialAssociation(exporterIFC, mullionHnd, matId);
}
}
}
/// <summary>
/// Exports a FabricArea as an IfcGroup. There is no geometry to export.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <returns>True if exported successfully, false otherwise.</returns>
public static bool ExportFabricArea(ExporterIFC exporterIFC, Element element, ProductWrapper productWrapper)
{
if (element == null)
return false;
HashSet<IFCAnyHandle> fabricSheetHandles = null;
if (!ExporterCacheManager.FabricAreaHandleCache.TryGetValue(element.Id, out fabricSheetHandles))
return false;
if (fabricSheetHandles == null || fabricSheetHandles.Count == 0)
return false;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
string guid = GUIDUtil.CreateGUID(element);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string revitObjectType = exporterIFC.GetFamilyName();
string name = NamingUtil.GetNameOverride(element, revitObjectType);
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, revitObjectType);
IFCAnyHandle fabricArea = IFCInstanceExporter.CreateGroup(file, guid,
ownerHistory, name, description, objectType);
productWrapper.AddElement(element, fabricArea);
IFCInstanceExporter.CreateRelAssignsToGroup(file, GUIDUtil.CreateGUID(), ownerHistory,
null, null, fabricSheetHandles, null, fabricArea);
tr.Commit();
return true;
}
}
/// <summary>
/// Export the individual part (IfcBuildingElementPart).
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="partElement">The part element to export.</param>
/// <param name="geometryElement">The geometry of part.</param>
/// <param name="productWrapper">The ProductWrapper object.</param>
public static void ExportPart(ExporterIFC exporterIFC, Element partElement, ProductWrapper productWrapper,
IFCPlacementSetter placementSetter, IFCAnyHandle originalPlacement, IFCRange range, IFCExtrusionAxes ifcExtrusionAxes,
Element hostElement, ElementId overrideLevelId, bool asBuildingElement)
{
if (!ElementFilteringUtil.IsElementVisible(ExporterCacheManager.ExportOptionsCache.FilterViewForExport, partElement))
return;
Part part = partElement as Part;
if (part == null)
return;
IFCPlacementSetter standalonePlacementSetter = null;
bool standaloneExport = hostElement == null && !asBuildingElement;
ElementId partExportLevel = null;
if (standaloneExport || asBuildingElement)
{
if (partElement.Level != null)
partExportLevel = partElement.Level.Id;
}
else
{
if (part.OriginalCategoryId != hostElement.Category.Id)
return;
partExportLevel = hostElement.Level.Id;
}
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 = IFCPlacementSetter.Create(exporterIFC, partElement, null, orientationTrf, partExportLevel);
partPlacement = standalonePlacementSetter.GetPlacement();
}
else
{
partPlacement = ExporterUtil.CreateLocalPlacement(file, originalPlacement, null);
}
bool validRange = (range != null && !MathUtil.IsAlmostZero(range.Start - range.End));
SolidMeshGeometryInfo solidMeshInfo;
if (validRange)
{
solidMeshInfo = GeometryUtil.GetSplitClippedSolidMeshGeometry(geometryElement, range);
if (solidMeshInfo.GetSolids().Count == 0 && solidMeshInfo.GetMeshes().Count == 0)
return;
}
else
{
solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement);
}
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
extrusionCreationData.SetLocalPlacement(partPlacement);
extrusionCreationData.ReuseLocalPlacement = false;
extrusionCreationData.PossibleExtrusionAxes = ifcExtrusionAxes;
IList<Solid> solids = solidMeshInfo.GetSolids();
IList<Mesh> meshes = solidMeshInfo.GetMeshes();
ElementId catId = CategoryUtil.GetSafeCategoryId(partElement);
BodyData bodyData = null;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
if (solids.Count > 0 || meshes.Count > 0)
{
bodyData = BodyExporter.ExportBody(exporterIFC, partElement, catId, ElementId.InvalidElementId, solids, meshes,
bodyExporterOptions, extrusionCreationData);
}
else
{
IList<GeometryObject> geomlist = new List<GeometryObject>();
geomlist.Add(geometryElement);
bodyData = BodyExporter.ExportBody(exporterIFC, partElement, catId, ElementId.InvalidElementId, geomlist,
bodyExporterOptions, extrusionCreationData);
}
IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
extrusionCreationData.ClearOpenings();
return;
}
IList<IFCAnyHandle> representations = new List<IFCAnyHandle>();
representations.Add(bodyRep);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, Transform.Identity);
if (boundingBoxRep != null)
representations.Add(boundingBoxRep);
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string partGUID = GUIDUtil.CreateGUID(partElement);
string partName = NamingUtil.GetNameOverride(partElement, NamingUtil.GetIFCName(partElement));
string partDescription = NamingUtil.GetDescriptionOverride(partElement, null);
string partObjectType = NamingUtil.GetObjectTypeOverride(partElement, NamingUtil.CreateIFCObjectName(exporterIFC, partElement));
string partTag = NamingUtil.GetTagOverride(partElement, NamingUtil.CreateIFCElementId(partElement));
IFCAnyHandle ifcPart = null;
if (!asBuildingElement)
{
ifcPart = IFCInstanceExporter.CreateBuildingElementPart(file, partGUID, ownerHistory, partName, partDescription,
partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag);
}
else
{
string ifcEnumType;
IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, hostElement, out ifcEnumType);
switch (exportType)
{
case IFCExportType.ExportColumnType:
ifcPart = IFCInstanceExporter.CreateColumn(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag);
break;
case IFCExportType.ExportCovering:
IFCCoveringType coveringType = CeilingExporter.GetIFCCoveringType(hostElement, ifcEnumType);
ifcPart = IFCInstanceExporter.CreateCovering(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, coveringType);
break;
case IFCExportType.ExportFooting:
IFCFootingType footingType = FootingExporter.GetIFCFootingType(hostElement, ifcEnumType);
ifcPart = IFCInstanceExporter.CreateFooting(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, footingType);
break;
case IFCExportType.ExportRoof:
IFCRoofType roofType = RoofExporter.GetIFCRoofType(ifcEnumType);
ifcPart = IFCInstanceExporter.CreateRoof(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, roofType);
break;
case IFCExportType.ExportSlab:
IFCSlabType slabType = FloorExporter.GetIFCSlabType(ifcEnumType);
ifcPart = IFCInstanceExporter.CreateSlab(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, slabType);
break;
case IFCExportType.ExportWall:
ifcPart = IFCInstanceExporter.CreateWallStandardCase(file, partGUID, ownerHistory, partName, partDescription,
partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag);
break;
default:
ifcPart = IFCInstanceExporter.CreateBuildingElementProxy(file, partGUID, ownerHistory, partName, partDescription,
partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag, IFCElementComposition.Element);
break;
}
}
productWrapper.AddElement(ifcPart, standaloneExport || asBuildingElement ? standalonePlacementSetter : placementSetter, extrusionCreationData, standaloneExport || asBuildingElement);
//Add the exported part to exported cache.
TraceExportedParts(partElement, partExportLevel, standaloneExport || asBuildingElement ? ElementId.InvalidElementId : hostElement.Id);
CategoryUtil.CreateMaterialAssociations(partElement.Document, exporterIFC, ifcPart, bodyData.MaterialIds);
transaction.Commit();
}
}
}
finally
{
if (standalonePlacementSetter != null)
standalonePlacementSetter.Dispose();
}
}
/// <summary>
/// Exports an element as an IFC assembly.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <returns>True if exported successfully, false otherwise.</returns>
public static bool ExportAssemblyInstanceElement(ExporterIFC exporterIFC, AssemblyInstance element,
ProductWrapper productWrapper)
{
if (element == null)
return false;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
IFCAnyHandle assemblyInstanceHnd = null;
string guid = GUIDUtil.CreateGUID(element);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string name = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
IFCAnyHandle localPlacement = null;
IFCPlacementSetter placementSetter = null;
IFCLevelInfo levelInfo = null;
string ifcEnumType;
IFCExportType exportAs = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType);
if (exportAs == IFCExportType.ExportSystem)
{
assemblyInstanceHnd = IFCInstanceExporter.CreateSystem(file, guid,
ownerHistory, name, description, objectType);
// Create classification reference when System has classification filed name assigned to it
ClassificationUtil.CreateClassification(exporterIFC, file, element, assemblyInstanceHnd);
HashSet<IFCAnyHandle> relatedBuildings = new HashSet<IFCAnyHandle>();
relatedBuildings.Add(ExporterCacheManager.BuildingHandle);
IFCAnyHandle relServicesBuildings = IFCInstanceExporter.CreateRelServicesBuildings(file, GUIDUtil.CreateGUID(),
exporterIFC.GetOwnerHistoryHandle(), null, null, assemblyInstanceHnd, relatedBuildings);
}
else
{
using (placementSetter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
{
string elementTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
IFCAnyHandle representation = null;
// We have limited support for exporting assemblies as other container types.
localPlacement = placementSetter.GetPlacement();
levelInfo = placementSetter.GetLevelInfo();
switch (exportAs)
{
case IFCExportType.ExportCurtainWall:
assemblyInstanceHnd = IFCInstanceExporter.CreateCurtainWall(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag);
break;
case IFCExportType.ExportRamp:
IFCRampType rampPredefinedType = RampExporter.GetIFCRampType(ifcEnumType);
assemblyInstanceHnd = IFCInstanceExporter.CreateRamp(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag,
rampPredefinedType);
break;
case IFCExportType.ExportRoof:
IFCRoofType roofPredefinedType = RoofExporter.GetIFCRoofType(ifcEnumType);
assemblyInstanceHnd = IFCInstanceExporter.CreateRoof(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag,
roofPredefinedType);
break;
case IFCExportType.ExportStair:
IFCStairType stairPredefinedType = StairsExporter.GetIFCStairType(ifcEnumType);
assemblyInstanceHnd = IFCInstanceExporter.CreateStair(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag,
stairPredefinedType);
break;
case IFCExportType.ExportWall:
assemblyInstanceHnd = IFCInstanceExporter.CreateWall(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag);
break;
default:
IFCElementAssemblyType assemblyPredefinedType = GetPredefinedTypeFromObjectType(objectType);
assemblyInstanceHnd = IFCInstanceExporter.CreateElementAssembly(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag,
IFCAssemblyPlace.NotDefined, assemblyPredefinedType);
break;
}
}
}
if (assemblyInstanceHnd == null)
return false;
bool relateToLevel = (levelInfo != null);
productWrapper.AddElement(element, assemblyInstanceHnd, levelInfo, null, relateToLevel);
ExporterCacheManager.AssemblyInstanceCache.RegisterAssemblyInstance(element.Id, assemblyInstanceHnd);
tr.Commit();
return true;
}
}
/// <summary>
/// Exports an element 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.Level.Id, false))
return;
ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
IFCAnyHandle prodRep = null;
if (!exportParts)
{
ecData.SetLocalPlacement(setter.GetPlacement());
ecData.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element,
categoryId, geomElem, bodyExporterOptions, null, ecData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
{
ecData.ClearOpenings();
return;
}
}
string instanceGUID = GUIDUtil.CreateGUID(element);
string instanceName = NamingUtil.GetIFCName(element);
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string instanceElemId = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
Toolkit.IFCCoveringType coveringType = GetIFCCoveringType(element, ifcEnumType);
IFCAnyHandle covering = IFCInstanceExporter.CreateCovering(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
instanceName, instanceDescription, instanceObjectType, setter.GetPlacement(), prodRep, instanceElemId, coveringType);
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, element, covering, productWrapper, setter, setter.GetPlacement(), null);
}
Boolean containInSpace = false;
IFCAnyHandle localPlacementToUse = setter.GetPlacement();
// Assign ceiling to room/IfcSpace if it is bounding a single Room for FMHandOver view only
ExportOptionsCache exportOptionsCache = ExporterCacheManager.ExportOptionsCache;
if (String.Compare(exportOptionsCache.SelectedConfigName, "FMHandOverView") == 0)
{
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(covering, setter, null, false);
// Modify the Ceiling placement to be relative to the Space that it bounds
IFCAnyHandle roomPlacement = IFCAnyHandleUtil.GetObjectPlacement(ExporterCacheManager.SpatialElementHandleCache.Find(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);
exporterIFC.RelateSpatialElement(roomlist[0], covering);
containInSpace = true;
}
}
}
// if not contained in Space, assign it to default containment in Level
if (!containInSpace)
productWrapper.AddElement(covering, setter, null, LevelUtil.AssociateElementToLevel(element));
if (!exportParts)
{
Ceiling ceiling = element as Ceiling;
if (ceiling != null)
{
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, ceiling, covering,
geomElem, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3);
}
else
{
ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geomElem, exporterIFC, element);
CategoryUtil.CreateMaterialAssociation(element.Document, exporterIFC, covering, matId);
}
}
OpeningUtil.CreateOpeningsIfNecessary(covering, element, ecData, exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);
}
}
transaction.Commit();
}
}
/// <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 ProductWrapper.</param>
public static void ExportRoofAsParts(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
{
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
IFCAnyHandle localPlacement = setter.GetPlacement();
IFCAnyHandle prodRepHnd = null;
string elementGUID = GUIDUtil.CreateGUID(element);
string elementName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string elementDescription = NamingUtil.GetDescriptionOverride(element, null);
string elementObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string elementTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
//need to convert the string to enum
string ifcEnumType = ExporterUtil.GetIFCTypeFromExportTable(exporterIFC, element);
IFCAnyHandle roofHandle = IFCInstanceExporter.CreateRoof(file, elementGUID, ownerHistory, elementName, elementDescription, elementObjectType, localPlacement, prodRepHnd, elementTag, GetIFCRoofType(ifcEnumType));
// Export the parts
PartExporter.ExportHostPart(exporterIFC, element, roofHandle, productWrapper, setter, localPlacement, null);
productWrapper.AddElement(element, roofHandle, setter, null, true);
transaction.Commit();
}
}
}
/// <summary>
/// Exports a generic family instance as IFC instance.
/// </summary>
/// <param name="type">The export type.</param>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="familyInstance">The element.</param>
/// <param name="wrapper">The ProductWrapper.</param>
/// <param name="setter">The IFCPlacementSetter.</param>
/// <param name="extraParams">The extrusion creation data.</param>
/// <param name="instanceGUID">The guid.</param>
/// <param name="ownerHistory">The owner history handle.</param>
/// <param name="instanceName">The name.</param>
/// <param name="instanceDescription">The description.</param>
/// <param name="instanceObjectType">The object type.</param>
/// <param name="productRepresentation">The representation handle.</param>
/// <param name="instanceElemId">The element id label.</param>
/// <returns>The handle.</returns>
public static IFCAnyHandle ExportGenericInstance(IFCExportType type,
ExporterIFC exporterIFC, Element familyInstance,
ProductWrapper wrapper, IFCPlacementSetter setter, IFCExtrusionCreationData extraParams,
string instanceGUID, IFCAnyHandle ownerHistory,
string instanceName, string instanceDescription, string instanceObjectType,
IFCAnyHandle productRepresentation,
string instanceTag, IFCAnyHandle overrideLocalPlacement)
{
IFCFile file = exporterIFC.GetFile();
Document doc = familyInstance.Document;
bool isRoomRelated = IsRoomRelated(type);
bool isChildInContainer = familyInstance.AssemblyInstanceId != ElementId.InvalidElementId;
IFCAnyHandle localPlacementToUse = setter.GetPlacement();
ElementId roomId = ElementId.InvalidElementId;
if (isRoomRelated)
{
roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);
}
//should remove the create method where there is no use of this handle for API methods
//some places uses the return value of ExportGenericInstance as input parameter for API methods
IFCAnyHandle instanceHandle = null;
switch (type)
{
case IFCExportType.ExportColumnType:
{
instanceHandle = IFCInstanceExporter.CreateColumn(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
break;
}
case IFCExportType.ExportMemberType:
{
instanceHandle = IFCInstanceExporter.CreateMember(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
// Register the members's IFC handle for later use by truss export.
ExporterCacheManager.ElementToHandleCache.Register(familyInstance.Id, instanceHandle);
break;
}
case IFCExportType.ExportPlateType:
{
IFCAnyHandle localPlacement = localPlacementToUse;
if (overrideLocalPlacement!= null)
{
isChildInContainer = true;
localPlacement = overrideLocalPlacement;
}
instanceHandle = IFCInstanceExporter.CreatePlate(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacement, productRepresentation, instanceTag);
break;
}
case IFCExportType.ExportDiscreteAccessoryType:
{
instanceHandle = IFCInstanceExporter.CreateDiscreteAccessory(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
break;
}
case IFCExportType.ExportDistributionControlElement:
{
instanceHandle = IFCInstanceExporter.CreateDistributionControlElement(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag,
null);
break;
}
case IFCExportType.ExportDistributionElement:
{
instanceHandle = IFCInstanceExporter.CreateDistributionElement(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
break;
}
case IFCExportType.ExportFastenerType:
{
instanceHandle = IFCInstanceExporter.CreateFastener(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
break;
}
case IFCExportType.ExportMechanicalFastenerType:
{
double? nominalDiameter = null;
double? nominalLength = null;
double nominalDiameterVal, nominalLengthVal;
double scale = exporterIFC.LinearScale;
if (ParameterUtil.GetDoubleValueFromElementOrSymbol(familyInstance, "NominalDiameter", out nominalDiameterVal) != null)
nominalDiameter = nominalDiameterVal * scale;
if (ParameterUtil.GetDoubleValueFromElementOrSymbol(familyInstance, "NominalLength", out nominalLengthVal) != null)
nominalLength = nominalLengthVal * scale;
instanceHandle = IFCInstanceExporter.CreateMechanicalFastener(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag,
nominalDiameter, nominalLength);
break;
}
case IFCExportType.ExportRailingType:
{
string strEnumType;
IFCExportType exportAs = ExporterUtil.GetExportType(exporterIFC, familyInstance, out strEnumType);
instanceHandle = IFCInstanceExporter.CreateRailing(file, instanceGUID, ownerHistory, instanceName, instanceDescription,
instanceObjectType, localPlacementToUse, productRepresentation, instanceTag,
RailingExporter.GetIFCRailingType(familyInstance, strEnumType));
break;
}
case IFCExportType.ExportSpace:
{
string instanceLongName = NamingUtil.GetLongNameOverride(familyInstance, NamingUtil.GetLongNameOverride(familyInstance, instanceName));
IFCInternalOrExternal internalOrExternal = CategoryUtil.IsElementExternal(familyInstance) ? IFCInternalOrExternal.External : IFCInternalOrExternal.Internal;
instanceHandle = IFCInstanceExporter.CreateSpace(file, instanceGUID, ownerHistory, instanceName, instanceDescription,
instanceObjectType, localPlacementToUse, productRepresentation, instanceLongName, IFCElementComposition.Element,
internalOrExternal, null);
break;
}
default:
{
if ((type == IFCExportType.ExportFurnishingElement) || IsFurnishingElementSubType(type))
{
instanceHandle = IFCInstanceExporter.CreateFurnishingElement(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if ((type == IFCExportType.ExportEnergyConversionDevice) || IsEnergyConversionDeviceSubType(type))
{
instanceHandle = IFCInstanceExporter.CreateEnergyConversionDevice(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if ((type == IFCExportType.ExportFlowFitting) || IsFlowFittingSubType(type))
{
instanceHandle = IFCInstanceExporter.CreateFlowFitting(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if ((type == IFCExportType.ExportFlowMovingDevice) || IsFlowMovingDeviceSubType(type))
{
instanceHandle = IFCInstanceExporter.CreateFlowMovingDevice(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if ((type == IFCExportType.ExportFlowSegment) || IsFlowSegmentSubType(type))
{
instanceHandle = IFCInstanceExporter.CreateFlowSegment(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if ((type == IFCExportType.ExportFlowStorageDevice) || IsFlowStorageDeviceSubType(type))
{
instanceHandle = IFCInstanceExporter.CreateFlowStorageDevice(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if ((type == IFCExportType.ExportFlowTerminal) || IsFlowTerminalSubType(type))
{
instanceHandle = IFCInstanceExporter.CreateFlowTerminal(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if ((type == IFCExportType.ExportFlowTreatmentDevice) || IsFlowTreatmentDeviceSubType(type))
{
instanceHandle = IFCInstanceExporter.CreateFlowTreatmentDevice(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if ((type == IFCExportType.ExportFlowController) || IsFlowControllerSubType(type))
{
instanceHandle = IFCInstanceExporter.CreateFlowController(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if ((type == IFCExportType.ExportDistributionFlowElement) || IsDistributionFlowElementSubType(type))
{
instanceHandle = IFCInstanceExporter.CreateDistributionFlowElement(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if ((type == IFCExportType.ExportBuildingElementProxy) || (type == IFCExportType.ExportBuildingElementProxyType))
{
instanceHandle = IFCInstanceExporter.CreateBuildingElementProxy(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag, null);
}
break;
}
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
bool containedInSpace = (roomId != ElementId.InvalidElementId);
bool associateToLevel = containedInSpace ? false : !isChildInContainer;
wrapper.AddElement(familyInstance, instanceHandle, setter, extraParams, associateToLevel);
if (containedInSpace)
exporterIFC.RelateSpatialElement(roomId, instanceHandle);
}
return instanceHandle;
}
/// <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 ProductWrapper.</param>
public static void ExportRoofAsParts(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, ProductWrapper 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 = GUIDUtil.CreateGUID(element);
string elementName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string elementDescription = NamingUtil.GetDescriptionOverride(element, null);
string elementObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string elementTag = NamingUtil.GetTagOverride(element, 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, elementTag, 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>
/// Creates openings if there is necessary.
/// </summary>
/// <param name="elementHandle">The element handle to create openings.</param>
/// <param name="element">The element to create openings.</param>
/// <param name="info">The extrusion data.</param>
/// <param name="extraParams">The extrusion creation data.</param>
/// <param name="offsetTransform">The offset transform from ExportBody, or the identity transform.</param>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="originalPlacement">The original placement handle.</param>
/// <param name="setter">The PlacementSetter.</param>
/// <param name="wrapper">The ProductWrapper.</param>
private static void CreateOpeningsIfNecessaryBase(IFCAnyHandle elementHandle, Element element, IList<IFCExtrusionData> info,
IFCExtrusionCreationData extraParams, Transform offsetTransform, ExporterIFC exporterIFC,
IFCAnyHandle originalPlacement, IFCPlacementSetter setter, ProductWrapper wrapper)
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(elementHandle))
return;
int sz = info.Count;
if (sz == 0)
return;
using (IFCTransformSetter transformSetter = IFCTransformSetter.Create())
{
if (offsetTransform != null)
transformSetter.Initialize(exporterIFC, offsetTransform.Inverse);
IFCFile file = exporterIFC.GetFile();
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
Document document = element.Document;
string openingObjectType = "Opening";
int openingNumber = 1;
for (int curr = info.Count - 1; curr >= 0; curr--)
{
IFCAnyHandle extrusionHandle = ExtrusionExporter.CreateExtrudedSolidFromExtrusionData(exporterIFC, element, info[curr]);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(extrusionHandle))
continue;
IFCAnyHandle styledItemHnd = BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, document,
extrusionHandle, ElementId.InvalidElementId);
HashSet<IFCAnyHandle> bodyItems = new HashSet<IFCAnyHandle>();
bodyItems.Add(extrusionHandle);
IFCAnyHandle contextOfItems = exporterIFC.Get3DContextHandle("Body");
IFCAnyHandle bodyRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, element, categoryId, contextOfItems, bodyItems, null);
IList<IFCAnyHandle> representations = new List<IFCAnyHandle>();
representations.Add(bodyRep);
IFCAnyHandle openingRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, originalPlacement);
string guid = GUIDUtil.CreateGUID();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string openingName = NamingUtil.GetIFCNamePlusIndex(element, openingNumber++);
string elementId = NamingUtil.CreateIFCElementId(element);
IFCAnyHandle openingElement = IFCInstanceExporter.CreateOpeningElement(file, guid, ownerHistory,
openingName, null, openingObjectType, openingPlacement, openingRep, elementId);
wrapper.AddElement(null, openingElement, setter, extraParams, true);
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities && (extraParams != null))
ExporterIFCUtils.CreateOpeningQuantities(exporterIFC, openingElement, extraParams);
string voidGuid = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null, elementHandle, openingElement);
}
}
}
/// <summary>
/// Exports an element as building element proxy.
/// </summary>
/// <remarks>
/// This function is called from the Export function, but can also be called directly if you do not
/// want CreateInternalPropertySets to be called.
/// </remarks>
/// <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>
/// <returns>The handle if created, null otherwise.</returns>
public static IFCAnyHandle ExportBuildingElementProxy(ExporterIFC exporterIFC, Element element,
GeometryElement geometryElement, ProductWrapper productWrapper)
{
if (element == null || geometryElement == null)
return null;
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle buildingElementProxy = null;
using (IFCTransaction tr = new IFCTransaction(file))
{
using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(placementSetter.GetPlacement());
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element,
categoryId, geometryElement, bodyExporterOptions, null, ecData, true);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
{
ecData.ClearOpenings();
return null;
}
string guid = GUIDUtil.CreateGUID(element);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string revitObjectType = exporterIFC.GetFamilyName();
string name = NamingUtil.GetNameOverride(element, revitObjectType);
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, revitObjectType);
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
string elementTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
buildingElementProxy = IFCInstanceExporter.CreateBuildingElementProxy(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag, null);
productWrapper.AddElement(element, buildingElementProxy, placementSetter.GetLevelInfo(), ecData, true);
}
tr.Commit();
}
}
return buildingElementProxy;
}
/// <summary>
/// Export Curtain Walls and Roofs.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="allSubElements">Collection of elements contained in the host curtain element.</param>
/// <param name="element">The element to be exported.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
private static void ExportBase(ExporterIFC exporterIFC, ICollection<ElementId> allSubElements, Element element, ProductWrapper wrapper)
{
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
IFCPlacementSetter setter = null;
using (ProductWrapper curtainWallSubWrapper = ProductWrapper.Create(wrapper, false))
{
try
{
ElementId curtainWallLevel = ElementId.InvalidElementId;
if (element.Level != null)
{
curtainWallLevel = element.Level.Id;
}
Transform orientationTrf = Transform.Identity;
IFCAnyHandle localPlacement = null;
setter = IFCPlacementSetter.Create(exporterIFC, element, null, orientationTrf, curtainWallLevel);
localPlacement = setter.GetPlacement();
string objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element);
IFCAnyHandle prodRepHnd = null;
IFCAnyHandle elemHnd = null;
string elemGUID = GUIDUtil.CreateGUID(element);
string elemName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string elemDesc = NamingUtil.GetDescriptionOverride(element, null);
string elemType = NamingUtil.GetObjectTypeOverride(element, objectType);
string elemTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
if (element is Wall || element is CurtainSystem || IsLegacyCurtainElement(element))
{
elemHnd = IFCInstanceExporter.CreateCurtainWall(file, elemGUID, ownerHistory, elemName, elemDesc, elemType, localPlacement, prodRepHnd, elemTag);
}
else if (element is RoofBase)
{
//need to convert the string to enum
string ifcEnumType = CategoryUtil.GetIFCEnumTypeName(exporterIFC, element);
elemHnd = IFCInstanceExporter.CreateRoof(file, elemGUID, ownerHistory, elemName, elemDesc, elemType, localPlacement,
prodRepHnd, elemTag, RoofExporter.GetIFCRoofType(ifcEnumType));
}
else
{
return;
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(elemHnd))
return;
wrapper.AddElement(elemHnd, setter, null, true);
bool canExportCurtainWallAsContainer = CanExportCurtainWallAsContainer(allSubElements, element.Document);
IFCAnyHandle rep = null;
if (!canExportCurtainWallAsContainer)
{
rep = ExportCurtainObjectCommonAsOneBRep(allSubElements, element, exporterIFC, setter, localPlacement);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(rep))
return;
}
else
{
ExportCurtainObjectCommonAsContainer(allSubElements, element, exporterIFC, curtainWallSubWrapper, setter);
}
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, wrapper);
ICollection<IFCAnyHandle> relatedElementIds = curtainWallSubWrapper.GetAllObjects();
if (relatedElementIds.Count > 0)
{
string guid = ExporterIFCUtils.CreateSubElementGUID(element, (int)IFCCurtainWallSubElements.RelAggregates);
HashSet<IFCAnyHandle> relatedElementIdSet = new HashSet<IFCAnyHandle>(relatedElementIds);
IFCInstanceExporter.CreateRelAggregates(file, guid, ownerHistory, null, null, elemHnd, relatedElementIdSet);
}
exporterIFC.RegisterSpaceBoundingElementHandle(elemHnd, element.Id, ElementId.InvalidElementId);
}
finally
{
if (setter != null)
setter.Dispose();
}
}
}
/// <summary>
/// Exports an element as a covering of type insulation.
/// </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>
/// <returns>True if exported successfully, false otherwise.</returns>
protected static bool ExportInsulation(ExporterIFC exporterIFC, Element element,
GeometryElement geometryElement, ProductWrapper productWrapper)
{
if (element == null || geometryElement == null)
return false;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(placementSetter.GetPlacement());
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element,
categoryId, geometryElement, bodyExporterOptions, null, ecData, true);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
{
ecData.ClearOpenings();
return false;
}
string guid = GUIDUtil.CreateGUID(element);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string revitObjectType = exporterIFC.GetFamilyName();
string name = NamingUtil.GetNameOverride(element, revitObjectType);
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, revitObjectType);
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
string elementTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
IFCAnyHandle insulation = IFCInstanceExporter.CreateCovering(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag, IFCCoveringType.Insulation);
ExporterCacheManager.ElementToHandleCache.Register(element.Id, insulation);
productWrapper.AddElement(element, insulation, placementSetter.GetLevelInfo(), ecData, true);
ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, element);
CategoryUtil.CreateMaterialAssociation(exporterIFC, insulation, matId);
}
}
tr.Commit();
return true;
}
}
/// <summary>
/// Exports an element to IfcPile.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="ifcEnumType">The string value represents the IFC type.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportPile(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
string ifcEnumType, ProductWrapper productWrapper)
{
// export parts or not
bool exportParts = PartExporter.CanExportParts(element);
if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.Level.Id, false))
return;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(setter.GetPlacement());
IFCAnyHandle prodRep = null;
ElementId matId = ElementId.InvalidElementId;
if (!exportParts)
{
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
element, catId, geometryElement, bodyExporterOptions, null, ecData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
{
ecData.ClearOpenings();
return;
}
}
string instanceGUID = GUIDUtil.CreateGUID(element);
string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
Toolkit.IFCPileType pileType = GetPileType(element, ifcEnumType);
IFCAnyHandle pile = IFCInstanceExporter.CreatePile(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(), prodRep, instanceTag, pileType, null);
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, element, pile, productWrapper, setter, setter.GetPlacement(), null);
}
else
{
if (matId != ElementId.InvalidElementId)
{
CategoryUtil.CreateMaterialAssociation(element.Document, exporterIFC, pile, matId);
}
}
productWrapper.AddElement(pile, setter, ecData, LevelUtil.AssociateElementToLevel(element));
OpeningUtil.CreateOpeningsIfNecessary(pile, 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="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 (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, roof, null, null, ExporterUtil.GetBaseLevelIdForElement(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);
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 = exporterIFC.GetOwnerHistoryHandle();
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));
IFCRoofType roofType = GetIFCRoofType(ifcEnumType);
IFCAnyHandle roofHnd = IFCInstanceExporter.CreateRoof(file, guid, ownerHistory, roofName, roofDescription,
roofObjectType, localPlacement, exportSlab ? null : representation, elementTag, roofType);
productWrapper.AddElement(roof, roofHnd, placementSetter.GetLevelInfo(), 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, IFCSlabType.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.GetLevelInfo(), ecData, false);
CategoryUtil.CreateMaterialAssociations(exporterIFC, slabHnd, bodyData.MaterialIds);
}
}
tr.Commit();
}
}
}
/// <summary>
/// Exports mullion.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="mullion">
/// The mullion object.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="localPlacement">
/// The local placement handle.
/// </param>
/// <param name="extraParams">
/// The extrusion creation data.
/// </param>
/// <param name="setter">
/// The IFCPlacementSetter.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void Export(ExporterIFC exporterIFC, Mullion mullion, GeometryElement geometryElement,
IFCAnyHandle localPlacement, IFCExtrusionCreationData extraParams, IFCPlacementSetter setter, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
using (IFCPlacementSetter mullionSetter = IFCPlacementSetter.Create(exporterIFC, mullion))
{
IFCAnyHandle mullionPlacement = mullionSetter.GetPlacement();
Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(localPlacement, mullionPlacement);
Transform inverseTrf = relTrf.Inverse;
IFCAnyHandle mullionRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
IFCAnyHandle mullionLocalPlacement = IFCInstanceExporter.CreateLocalPlacement(file, localPlacement, mullionRelativePlacement);
extraParams.SetLocalPlacement(mullionLocalPlacement);
ElementId catId = CategoryUtil.GetSafeCategoryId(mullion);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
IFCAnyHandle repHnd = RepresentationUtil.CreateBRepProductDefinitionShape(mullion.Document.Application, exporterIFC, mullion, catId,
geometryElement, bodyExporterOptions, null, extraParams);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
{
extraParams.ClearOpenings();
return;
}
string elemGUID = GUIDUtil.CreateGUID(mullion);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string elemObjectType = NamingUtil.CreateIFCObjectName(exporterIFC, mullion);
string elemId = NamingUtil.CreateIFCElementId(mullion);
IFCAnyHandle mullionHnd = IFCInstanceExporter.CreateMember(file, elemGUID, ownerHistory, elemObjectType, null, elemObjectType,
mullionLocalPlacement, repHnd, elemId);
productWrapper.AddElement(mullionHnd, mullionSetter, extraParams, false);
ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, mullion);
CategoryUtil.CreateMaterialAssociation(mullion.Document, exporterIFC, mullionHnd, matId);
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, mullion, productWrapper);
}
}
/// <summary>
/// Exports an element as an IFC assembly with its members.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="assemblyElem">The element to be exported as IFC assembly.</param>
/// <param name="memberIds">The member element ids.</param>
/// <param name="assemblyType">The IFC assembly type.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
static void ExportAssemblyInstanceWithMembers(ExporterIFC exporterIFC, Element assemblyElem,
ICollection<ElementId> memberIds, IFCElementAssemblyType assemblyType, ProductWrapper productWrapper)
{
HashSet<IFCAnyHandle> memberHnds = new HashSet<IFCAnyHandle>();
foreach (ElementId memberId in memberIds)
{
IFCAnyHandle memberHnd = ExporterCacheManager.ElementToHandleCache.Find(memberId);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(memberHnd))
memberHnds.Add(memberHnd);
}
if (memberHnds.Count == 0)
return;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, assemblyElem, null, null, ExporterUtil.GetBaseLevelIdForElement(assemblyElem)))
{
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
IFCAnyHandle localPlacement = placementSetter.GetPlacement();
string guid = GUIDUtil.CreateGUID(assemblyElem);
string name = NamingUtil.GetIFCName(assemblyElem);
string description = NamingUtil.GetDescriptionOverride(assemblyElem, null);
string objectType = NamingUtil.GetObjectTypeOverride(assemblyElem, exporterIFC.GetFamilyName());
string elementTag = NamingUtil.CreateIFCElementId(assemblyElem);
IFCAnyHandle assemblyInstanceHnd = IFCInstanceExporter.CreateElementAssembly(file, guid,
ownerHistory, name, description, objectType, localPlacement, null, elementTag,
IFCAssemblyPlace.NotDefined, assemblyType);
productWrapper.AddElement(assemblyElem, assemblyInstanceHnd, placementSetter.GetLevelInfo(), null, true);
string aggregateGuid = GUIDUtil.CreateSubElementGUID(assemblyElem, (int)IFCAssemblyInstanceSubElements.RelAggregates);
IFCInstanceExporter.CreateRelAggregates(file, aggregateGuid, ownerHistory, null, null, assemblyInstanceHnd, memberHnds);
ExporterCacheManager.ElementsInAssembliesCache.UnionWith(memberHnds);
// Update member local placements to be relative to the assembly.
SetLocalPlacementsRelativeToAssembly(exporterIFC, localPlacement, memberHnds);
}
tr.Commit();
}
}
/// <summary>
/// Exports a family instance as a mapped item.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="familyInstance">
/// The family instance to be exported.
/// </param>
/// <param name="exportType">
/// The export type.
/// </param>
/// <param name="ifcEnumType">
/// The string value represents the IFC type.
/// </param>
/// <param name="wrapper">
/// The ProductWrapper.
/// </param>
/// <param name="overrideLevelId">
/// The level id.
/// </param>
/// <param name="range">
/// The range of this family instance to be exported.
/// </param>
public static void ExportFamilyInstanceAsMappedItem(ExporterIFC exporterIFC,
FamilyInstance familyInstance, IFCExportType exportType, string ifcEnumType,
ProductWrapper wrapper, ElementId overrideLevelId, IFCRange range, IFCAnyHandle parentLocalPlacement)
{
bool exportParts = PartExporter.CanExportParts(familyInstance);
bool isSplit = range != null;
if (exportParts && !PartExporter.CanExportElementInPartExport(familyInstance, isSplit ? overrideLevelId : familyInstance.Level.Id, isSplit))
return;
Document doc = familyInstance.Document;
IFCFile file = exporterIFC.GetFile();
FamilySymbol familySymbol = ExporterIFCUtils.GetOriginalSymbol(familyInstance);
if (familySymbol == null)
return;
ProductWrapper familyProductWrapper = ProductWrapper.Create(wrapper);
double scale = exporterIFC.LinearScale;
Options options = GeometryUtil.GetIFCExportGeometryOptions();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
HostObject hostElement = familyInstance.Host as HostObject; //hostElement could be null
ElementId categoryId = CategoryUtil.GetSafeCategoryId(familySymbol);
//string emptyString = "";
string familyName = familySymbol.Name;
string objectType = familyName;
// A Family Instance can have its own copy of geometry, or use the symbol's copy with a transform.
// The routine below tells us whether to use the Instance's copy or the Symbol's copy.
bool useInstanceGeometry = ExporterIFCUtils.UsesInstanceGeometry(familyInstance);
IList<IFCExtrusionData> cutPairOpeningsForColumns = new List<IFCExtrusionData>();
using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
{
Transform trf = familyInstance.GetTransform();
// Extra information if we are exporting a door or a window.
IFCDoorWindowInfo doorWindowInfo = null;
if (exportType == IFCExportType.ExportDoorType)
doorWindowInfo = IFCDoorWindowInfo.CreateDoorInfo(exporterIFC, familyInstance, familySymbol, hostElement, overrideLevelId, trf);
else if (exportType == IFCExportType.ExportWindowType)
doorWindowInfo = IFCDoorWindowInfo.CreateWindowInfo(exporterIFC, familyInstance, familySymbol, hostElement, overrideLevelId, trf);
FamilyTypeInfo typeInfo = new FamilyTypeInfo();
XYZ extraOffset = XYZ.Zero;
bool flipped = doorWindowInfo != null ? doorWindowInfo.IsSymbolFlipped : false;
FamilyTypeInfo currentTypeInfo = ExporterCacheManager.TypeObjectsCache.Find(familySymbol.Id, flipped);
bool found = currentTypeInfo.IsValid();
Family family = familySymbol.Family;
// TODO: this code to be removed by ExtrusionAnalyzer code.
bool trySpecialColumnCreation = ((exportType == IFCExportType.ExportColumnType) && (!family.IsInPlace));
IList<GeometryObject> geomObjects = new List<GeometryObject>();
Transform brepOffsetTransform = null;
Transform doorWindowTrf = Transform.Identity;
// We will create a new mapped type if:
// 1. We are exporting part of a column or in-place wall (range != null), OR
// 2. We are using the instance's copy of the geometry (that it, it has unique geometry), OR
// 3. We haven't already created the type.
bool creatingType = ((range != null) || useInstanceGeometry || !found);
if (creatingType)
{
IFCAnyHandle bodyRepresentation = null;
IFCAnyHandle planRepresentation = null;
// If we are using the instance geometry, ignore the transformation.
if (useInstanceGeometry)
trf = Transform.Identity;
// TODO: this code to be removed by ExtrusionAnalyzer code.
if (trySpecialColumnCreation)
{
XYZ rangeOffset = trf.Origin;
IFCFamilyInstanceExtrusionExportResults results;
results = ExporterIFCUtils.ExportFamilyInstanceAsExtrusion(exporterIFC, familyInstance, useInstanceGeometry, range, overrideLevelId, extraParams);
bodyRepresentation = results.GetExtrusionHandle();
extraOffset = results.ExtraOffset;
cutPairOpeningsForColumns = results.GetCutPairOpenings();
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepresentation))
{
typeInfo.MaterialIds.Add(results.MaterialId);
// add in level for real columns, not in-place ones.
Element actualLevel =
(overrideLevelId == ElementId.InvalidElementId) ? familyInstance.Level : doc.GetElement(overrideLevelId);
if (actualLevel != null)
{
IFCLevelInfo levelInfo = exporterIFC.GetLevelInfo(actualLevel.Id);
double nonStoryLevelOffset = LevelUtil.GetNonStoryLevelOffsetIfAny(exporterIFC, actualLevel as Level);
if (range != null)
{
rangeOffset = new XYZ(rangeOffset.X, rangeOffset.Y, levelInfo.Elevation + nonStoryLevelOffset);
}
}
}
rangeOffset += extraOffset;
trf.Origin = rangeOffset;
}
IFCAnyHandle dummyPlacement = null;
if (doorWindowInfo != null)
{
doorWindowTrf = ExporterIFCUtils.GetTransformForDoorOrWindow(familyInstance, familySymbol, doorWindowInfo);
}
else
{
dummyPlacement = IFCInstanceExporter.CreateLocalPlacement(file, null, ExporterUtil.CreateAxis2Placement3D(file));
extraParams.SetLocalPlacement(dummyPlacement);
}
bool needToCreate2d = ExporterCacheManager.ExportOptionsCache.ExportAnnotations;
bool needToCreate3d = IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepresentation);
if (needToCreate2d || needToCreate3d)
{
using (IFCTransformSetter trfSetter = IFCTransformSetter.Create())
{
if (doorWindowInfo != null)
{
trfSetter.Initialize(exporterIFC, doorWindowTrf);
}
GeometryElement exportGeometry =
useInstanceGeometry ? familyInstance.get_Geometry(options) : familySymbol.get_Geometry(options);
if (exportGeometry == null)
return;
if (needToCreate3d)
{
SolidMeshGeometryInfo solidMeshCapsule = null;
if (range == null)
{
solidMeshCapsule = GeometryUtil.GetSolidMeshGeometry(exportGeometry, Transform.Identity);
}
else
{
solidMeshCapsule = GeometryUtil.GetClippedSolidMeshGeometry(exportGeometry, range);
}
IList<Solid> solids = solidMeshCapsule.GetSolids();
IList<Mesh> polyMeshes = solidMeshCapsule.GetMeshes();
if (range != null && (solids.Count == 0 && polyMeshes.Count == 0))
return; // no proper split geometry
geomObjects = FamilyExporterUtil.RemoveSolidsAndMeshesSetToDontExport(doc, exporterIFC, solids, polyMeshes);
if (geomObjects.Count == 0 && (solids.Count > 0 || polyMeshes.Count > 0))
return;
bool tryToExportAsExtrusion = (!exporterIFC.ExportAs2x2 || (exportType == IFCExportType.ExportColumnType));
if (exportType == IFCExportType.ExportColumnType)
{
extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;
if (ExporterCacheManager.ExportOptionsCache.ExportAs2x3CoordinationView2 &&
solids.Count > 0)
{
LocationPoint point = familyInstance.Location as LocationPoint;
XYZ orig = XYZ.Zero;
if (point != null)
orig = point.Point;
Plane plane = new Plane(XYZ.BasisX, XYZ.BasisY, orig);
bool completelyClipped = false;
HashSet<ElementId> materialIds = null;
bodyRepresentation = ExtrusionExporter.CreateExtrusionWithClipping(exporterIFC, familyInstance,
categoryId, solids, plane, XYZ.BasisZ, null, out completelyClipped, out materialIds);
typeInfo.MaterialIds = materialIds;
}
}
else
{
extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryXYZ;
}
BodyData bodyData = null;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepresentation))
{
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(tryToExportAsExtrusion);
if (geomObjects.Count > 0)
{
bodyData = BodyExporter.ExportBody(familyInstance.Document.Application, exporterIFC, familyInstance, categoryId, ElementId.InvalidElementId,
geomObjects, bodyExporterOptions, extraParams);
typeInfo.MaterialIds = bodyData.MaterialIds;
}
else
{
IList<GeometryObject> exportedGeometries = new List<GeometryObject>();
exportedGeometries.Add(exportGeometry);
bodyData = BodyExporter.ExportBody(familyInstance.Document.Application, exporterIFC, familyInstance, categoryId, ElementId.InvalidElementId,
exportedGeometries, bodyExporterOptions, extraParams);
}
bodyRepresentation = bodyData.RepresentationHnd;
brepOffsetTransform = bodyData.BrepOffsetTransform;
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepresentation))
{
extraParams.ClearOpenings();
return;
}
}
// By default: if exporting IFC2x3 or later, export 2D plan rep of family, if it exists, unless we are exporting Coordination View V2.
// This default can be overridden in the export options.
if (needToCreate2d)
{
XYZ curveOffset = new XYZ(0, 0, 0);
if (brepOffsetTransform != null)
curveOffset = -brepOffsetTransform.Origin / scale;
HashSet<IFCAnyHandle> curveSet = new HashSet<IFCAnyHandle>();
{
Transform planeTrf = doorWindowTrf.Inverse;
Plane plane = new Plane(planeTrf.get_Basis(0), planeTrf.get_Basis(1), planeTrf.Origin);
XYZ projDir = new XYZ(0, 0, 1);
IFCGeometryInfo IFCGeometryInfo = IFCGeometryInfo.CreateCurveGeometryInfo(exporterIFC, plane, projDir, true);
ExporterIFCUtils.CollectGeometryInfo(exporterIFC, IFCGeometryInfo, exportGeometry, curveOffset, false);
IList<IFCAnyHandle> curves = IFCGeometryInfo.GetCurves();
foreach (IFCAnyHandle curve in curves)
curveSet.Add(curve);
if (curveSet.Count > 0)
{
IFCAnyHandle contextOfItems2d = exporterIFC.Get2DContextHandle();
IFCAnyHandle curveRepresentationItem = IFCInstanceExporter.CreateGeometricSet(file, curveSet);
HashSet<IFCAnyHandle> bodyItems = new HashSet<IFCAnyHandle>();
bodyItems.Add(curveRepresentationItem);
planRepresentation = RepresentationUtil.CreateGeometricSetRep(exporterIFC, familyInstance, categoryId, "Annotation",
contextOfItems2d, bodyItems);
}
}
}
}
}
if (doorWindowInfo != null)
{
typeInfo.StyleTransform = doorWindowTrf.Inverse;
}
else
{
if (!MathUtil.IsAlmostZero(extraOffset.DotProduct(extraOffset)))
{
Transform newTransform = typeInfo.StyleTransform;
XYZ newOrig = newTransform.Origin + extraOffset;
newTransform.Origin = newOrig;
typeInfo.StyleTransform = newTransform;
}
typeInfo.StyleTransform = ExporterIFCUtils.GetUnscaledTransform(exporterIFC, extraParams.GetLocalPlacement());
}
IFCAnyHandle origin = ExporterUtil.CreateAxis2Placement3D(file);
IFCAnyHandle repMap2dHnd = null;
IFCAnyHandle repMap3dHnd = IFCInstanceExporter.CreateRepresentationMap(file, origin, bodyRepresentation);
IList<IFCAnyHandle> repMapList = new List<IFCAnyHandle>();
repMapList.Add(repMap3dHnd);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(planRepresentation))
{
repMap2dHnd = IFCInstanceExporter.CreateRepresentationMap(file, origin, planRepresentation);
repMapList.Add(repMap2dHnd);
}
// for Door, Window
bool paramTakesPrecedence = false; // For Revit, this is currently always false.
bool sizeable = false;
// for many
HashSet<IFCAnyHandle> propertySets = new HashSet<IFCAnyHandle>();
string guid = GUIDUtil.CreateGUID(familySymbol);
string symId = NamingUtil.CreateIFCElementId(familySymbol);
// This covers many generic types. If we can't find it in the list here, do custom exports.
IFCAnyHandle typeStyle = FamilyExporterUtil.ExportGenericType(file, exportType, ifcEnumType, guid,
ownerHistory, objectType, null, null, propertySets, repMapList, symId, objectType,
familyInstance, familySymbol);
// Cover special cases not covered above.
if (IFCAnyHandleUtil.IsNullOrHasNoValue(typeStyle))
{
switch (exportType)
{
case IFCExportType.ExportColumnType:
{
// If we are using the instance GRep, then we have to create a generic GUID for the
// column type, as they share the same ElementId.
string colGUID = null;
string colElemId = null;
if (useInstanceGeometry)
colGUID = GUIDUtil.CreateGUID();
else
colGUID = guid;
colElemId = NamingUtil.CreateIFCElementId(familySymbol);
string columnType = "Column";
typeStyle = IFCInstanceExporter.CreateColumnType(file, colGUID, ownerHistory, objectType,
null, null, propertySets, repMapList, colElemId,
objectType, GetColumnType(familyInstance, columnType));
break;
}
case IFCExportType.ExportDoorType:
{
string constructionType = string.Empty;
ParameterUtil.GetStringValueFromElementOrSymbol(familyInstance, "Construction", out constructionType);
IFCAnyHandle doorLining = DoorWindowUtil.CreateDoorLiningProperties(exporterIFC, familyInstance);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(doorLining))
propertySets.Add(doorLining);
IList<IFCAnyHandle> doorPanels = DoorWindowUtil.CreateDoorPanelProperties(exporterIFC, doorWindowInfo,
familyInstance);
propertySets.UnionWith(doorPanels);
string doorStyleGUID = GUIDUtil.CreateGUID();
string doorStyleElemId = NamingUtil.CreateIFCElementId(familySymbol);
typeStyle = IFCInstanceExporter.CreateDoorStyle(file, doorStyleGUID, ownerHistory, objectType,
null, null, propertySets, repMapList, doorStyleElemId,
GetDoorStyleOperation(doorWindowInfo.DoorOperationType), GetDoorStyleConstruction(familyInstance, constructionType),
paramTakesPrecedence, sizeable);
break;
}
case IFCExportType.ExportSystemFurnitureElementType:
{
string furnitureId = NamingUtil.CreateIFCElementId(familySymbol);
typeStyle = IFCInstanceExporter.CreateSystemFurnitureElementType(file, guid, ownerHistory, objectType,
null, null, propertySets, repMapList, furnitureId,
objectType);
break;
}
case IFCExportType.ExportWindowType:
{
Toolkit.IFCWindowStyleOperation operationType = DoorWindowUtil.GetIFCWindowStyleOperation(familySymbol);
IFCWindowStyleConstruction constructionType = DoorWindowUtil.GetIFCWindowStyleConstruction(familyInstance, "");
IFCAnyHandle windowLining = DoorWindowUtil.CreateWindowLiningProperties(exporterIFC, familyInstance, null);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(windowLining))
propertySets.Add(windowLining);
IList<IFCAnyHandle> windowPanels =
DoorWindowUtil.CreateWindowPanelProperties(exporterIFC, familyInstance, null);
propertySets.UnionWith(windowPanels);
string windowStyleGUID = GUIDUtil.CreateGUID();
string windowStyleElemId = NamingUtil.CreateIFCElementId(familySymbol);
typeStyle = IFCInstanceExporter.CreateWindowStyle(file, windowStyleGUID, ownerHistory, objectType,
null, null, propertySets, repMapList, windowStyleElemId,
constructionType, operationType, paramTakesPrecedence, sizeable);
break;
}
case IFCExportType.ExportBuildingElementProxy:
default:
{
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repMap2dHnd))
typeInfo.Map2DHandle = repMap2dHnd;
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repMap3dHnd))
typeInfo.Map3DHandle = repMap3dHnd;
break;
}
}
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeStyle))
{
CategoryUtil.CreateMaterialAssociations(doc, exporterIFC, typeStyle, typeInfo.MaterialIds);
typeInfo.Style = typeStyle;
if (((exportType == IFCExportType.ExportColumnType) && trySpecialColumnCreation) ||
(exportType == IFCExportType.ExportMemberType))
{
typeInfo.ScaledArea = extraParams.ScaledArea;
typeInfo.ScaledDepth = extraParams.ScaledLength;
typeInfo.ScaledInnerPerimeter = extraParams.ScaledInnerPerimeter;
typeInfo.ScaledOuterPerimeter = extraParams.ScaledOuterPerimeter;
}
ClassificationUtil.CreateUniformatClassification(exporterIFC, file, familySymbol, typeStyle);
}
}
else if (!creatingType && (trySpecialColumnCreation))
{
// still need to modify instance trf for columns.
trf.Origin += GetLevelOffsetForExtrudedColumns(exporterIFC, familyInstance, overrideLevelId, extraParams);
}
if (found && !typeInfo.IsValid())
{
typeInfo = currentTypeInfo;
}
// we'll pretend we succeeded, but we'll do nothing.
if (!typeInfo.IsValid())
return;
// add to the map, as long as we are not using range, not using instance geometry, and don't have extra openings.
if ((range == null) && !useInstanceGeometry && (extraParams.GetOpenings().Count == 0))
ExporterCacheManager.TypeObjectsCache.Register(familySymbol.Id, flipped, typeInfo);
Transform oldTrf = new Transform(trf);
XYZ scaledMapOrigin = XYZ.Zero;
trf = trf.Multiply(typeInfo.StyleTransform);
// create instance.
IList<IFCAnyHandle> shapeReps = new List<IFCAnyHandle>();
{
IFCAnyHandle contextOfItems2d = exporterIFC.Get2DContextHandle();
IFCAnyHandle contextOfItems3d = exporterIFC.Get3DContextHandle("Body");
// for proxies, we store the IfcRepresentationMap directly since there is no style.
IFCAnyHandle style = typeInfo.Style;
IList<IFCAnyHandle> repMapList = !IFCAnyHandleUtil.IsNullOrHasNoValue(style) ?
GeometryUtil.GetRepresentationMaps(style) : null;
int numReps = repMapList != null ? repMapList.Count : 0;
IFCAnyHandle repMap2dHnd = typeInfo.Map2DHandle;
IFCAnyHandle repMap3dHnd = typeInfo.Map3DHandle;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(repMap3dHnd) && (numReps > 0))
repMap3dHnd = repMapList[0];
if (IFCAnyHandleUtil.IsNullOrHasNoValue(repMap2dHnd) && (numReps > 1))
repMap2dHnd = repMapList[1];
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repMap3dHnd))
{
IList<IFCAnyHandle> representations = new List<IFCAnyHandle>();
representations.Add(ExporterUtil.CreateDefaultMappedItem(file, repMap3dHnd, scaledMapOrigin));
IFCAnyHandle shapeRep = RepresentationUtil.CreateBodyMappedItemRep(exporterIFC, familyInstance, categoryId, contextOfItems3d,
representations);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
return;
shapeReps.Add(shapeRep);
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repMap2dHnd))
{
HashSet<IFCAnyHandle> representations = new HashSet<IFCAnyHandle>();
representations.Add(ExporterUtil.CreateDefaultMappedItem(file, repMap2dHnd, scaledMapOrigin));
IFCAnyHandle shapeRep = RepresentationUtil.CreatePlanMappedItemRep(exporterIFC, familyInstance, categoryId, contextOfItems2d,
representations);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
return;
shapeReps.Add(shapeRep);
}
}
IFCAnyHandle boundingBoxRep = null;
Transform boundingBoxTrf = (brepOffsetTransform != null) ? brepOffsetTransform.Inverse : Transform.Identity;
if (geomObjects.Count > 0)
boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomObjects, boundingBoxTrf);
else
{
boundingBoxTrf = boundingBoxTrf.Multiply(trf.Inverse);
boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, familyInstance.get_Geometry(options), boundingBoxTrf);
}
if (boundingBoxRep != null)
shapeReps.Add(boundingBoxRep);
IFCAnyHandle rep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
IFCAnyHandle instanceHandle = null;
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, familyInstance, trf, null, overrideLevelId))
{
string instanceGUID = GUIDUtil.CreateGUID(familyInstance);
string instanceName = NamingUtil.GetIFCName(familyInstance);
string instanceDescription = NamingUtil.GetDescriptionOverride(familyInstance, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(familyInstance, objectType);
string instanceElemId = NamingUtil.CreateIFCElementId(familyInstance);
IFCAnyHandle localPlacement = setter.GetPlacement();
IFCAnyHandle overrideLocalPlacement = null;
if (parentLocalPlacement != null)
{
Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(parentLocalPlacement, localPlacement);
Transform inverseTrf = relTrf.Inverse;
IFCAnyHandle relativePlacement = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
IFCAnyHandle plateLocalPlacement = IFCInstanceExporter.CreateLocalPlacement(file, parentLocalPlacement, relativePlacement);
overrideLocalPlacement = plateLocalPlacement;
}
instanceHandle = FamilyExporterUtil.ExportGenericInstance(exportType, exporterIFC, familyInstance,
wrapper, setter, extraParams, instanceGUID, ownerHistory, instanceName, instanceDescription, instanceObjectType,
exportParts ? null : rep, instanceElemId, overrideLocalPlacement);
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, familyInstance, instanceHandle, familyProductWrapper, setter, setter.GetPlacement(), overrideLevelId);
}
if (ElementFilteringUtil.IsMEPType(exportType))
ExporterCacheManager.MEPCache.Register(familyInstance, instanceHandle);
switch (exportType)
{
case IFCExportType.ExportColumnType:
{
IFCAnyHandle placementToUse = localPlacement;
if (!useInstanceGeometry)
{
bool needToCreateOpenings =
(cutPairOpeningsForColumns.Count != 0) || OpeningUtil.NeedToCreateOpenings(instanceHandle, extraParams);
if (needToCreateOpenings)
{
Transform openingTrf = new Transform(oldTrf);
Transform extraRot = new Transform(oldTrf);
extraRot.Origin = XYZ.Zero;
openingTrf = openingTrf.Multiply(extraRot);
openingTrf = openingTrf.Multiply(typeInfo.StyleTransform);
IFCAnyHandle openingRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, openingTrf.Origin * scale,
openingTrf.get_Basis(2), openingTrf.get_Basis(0));
IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, localPlacement);
GeometryUtil.SetRelativePlacement(openingPlacement, openingRelativePlacement);
placementToUse = openingPlacement;
}
}
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, cutPairOpeningsForColumns,
exporterIFC, placementToUse, setter, wrapper);
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
placementToUse, setter, wrapper);
//export Base Quantities.
PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, instanceHandle, familyInstance, typeInfo);
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
break;
}
case IFCExportType.ExportDoorType:
case IFCExportType.ExportWindowType:
{
double doorHeight = doorWindowInfo.OpeningHeight;
if (doorHeight < MathUtil.Eps())
doorHeight = GetMinSymbolHeight(familySymbol);
double doorWidth = doorWindowInfo.OpeningWidth;
if (doorWidth < MathUtil.Eps())
doorWidth = GetMinSymbolWidth(familySymbol);
double height = doorHeight * scale;
double width = doorWidth * scale;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(doorWindowInfo.GetLocalPlacement()))
doorWindowInfo.SetLocalPlacement(localPlacement);
IFCAnyHandle doorWindowOrigLocalPlacement = doorWindowInfo.GetLocalPlacement();
Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(localPlacement, doorWindowOrigLocalPlacement);
IFCAnyHandle doorWindowRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, relTrf.Origin, relTrf.BasisZ, relTrf.BasisX);
IFCAnyHandle doorWindowLocalPlacement =
IFCInstanceExporter.CreateLocalPlacement(file, doorWindowOrigLocalPlacement, doorWindowRelativePlacement);
if (exportType == IFCExportType.ExportDoorType)
instanceHandle = IFCInstanceExporter.CreateDoor(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, doorWindowLocalPlacement,
rep, instanceElemId, height, width);
else if (exportType == IFCExportType.ExportWindowType)
instanceHandle = IFCInstanceExporter.CreateWindow(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, doorWindowLocalPlacement,
rep, instanceElemId, height, width);
wrapper.AddElement(instanceHandle, setter, extraParams, true);
exporterIFC.RegisterSpaceBoundingElementHandle(instanceHandle, familyInstance.Id, setter.LevelId);
IFCAnyHandle placementToUse = doorWindowLocalPlacement;
if (!useInstanceGeometry)
{
// correct the placement to the symbol space
bool needToCreateOpenings = OpeningUtil.NeedToCreateOpenings(instanceHandle, extraParams);
if (needToCreateOpenings)
{
Transform openingTrf = Transform.Identity;
openingTrf.Origin = new XYZ(0, 0, setter.Offset);
openingTrf = openingTrf.Multiply(doorWindowTrf);
XYZ scaledOrigin = openingTrf.Origin * exporterIFC.LinearScale;
IFCAnyHandle openingRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, scaledOrigin, openingTrf.BasisZ, openingTrf.BasisX);
IFCAnyHandle openingLocalPlacement =
IFCInstanceExporter.CreateLocalPlacement(file, doorWindowLocalPlacement, openingRelativePlacement);
placementToUse = openingLocalPlacement;
}
}
// only necessary when exporting as possible breps.
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
placementToUse, setter, wrapper);
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities)
ExporterIFCUtils.CreateDoorWindowBaseQuantities(exporterIFC, instanceHandle, (doorHeight * scale), (doorWidth * scale));
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
break;
}
case IFCExportType.ExportMemberType:
{
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
localPlacement, setter, wrapper);
//export Base Quantities.
PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, instanceHandle, familyInstance, typeInfo);
// TODO: create PropertySet!
//createMemberPropertySet(exporter, pFamInst, pWrapper, extraParams);
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
break;
}
case IFCExportType.ExportPlateType:
{
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
localPlacement, setter, wrapper);
// TODO: create PropertySet!
//createPlatePropertySet(exporter, pFamInst, pWrapper, extraParams);
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
break;
}
case IFCExportType.ExportTransportElementType:
{
IFCAnyHandle localPlacementToUse;
ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);
instanceHandle = IFCInstanceExporter.CreateTransportElement(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType,
localPlacementToUse, rep, instanceElemId, null, null, null);
if (roomId == ElementId.InvalidElementId)
{
wrapper.AddElement(instanceHandle, setter, extraParams, true);
}
else
{
exporterIFC.RelateSpatialElement(roomId, instanceHandle);
wrapper.AddElement(instanceHandle, setter, extraParams, false);
}
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
break;
}
case IFCExportType.ExportBuildingElementProxy:
default:
{
bool isBuildingElementProxy = (exportType == IFCExportType.ExportBuildingElementProxy);
IFCAnyHandle localPlacementToUse;
ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);
if (!isBuildingElementProxy)
{
if (FamilyExporterUtil.IsDistributionControlElementSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateDistributionControlElement(file, instanceGUID,
ownerHistory, instanceName, instanceDescription, instanceObjectType,
localPlacementToUse, rep, instanceElemId, null);
if (roomId == ElementId.InvalidElementId)
{
wrapper.AddElement(instanceHandle, setter, extraParams, true);
}
else
{
exporterIFC.RelateSpatialElement(roomId, instanceHandle);
wrapper.AddElement(instanceHandle, setter, extraParams, false);
}
}
else if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
isBuildingElementProxy = true;
}
}
if (isBuildingElementProxy)
{
Toolkit.IFCElementComposition proxyType = Toolkit.IFCElementComposition.Element;
instanceHandle = IFCInstanceExporter.CreateBuildingElementProxy(file, instanceGUID,
ownerHistory, instanceName, instanceDescription, instanceObjectType,
localPlacementToUse, rep, instanceElemId, proxyType);
if (roomId == ElementId.InvalidElementId)
{
wrapper.AddElement(instanceHandle, setter, extraParams, true);
}
else
{
exporterIFC.RelateSpatialElement(roomId, instanceHandle);
wrapper.AddElement(instanceHandle, setter, extraParams, false);
}
}
IFCAnyHandle placementToUse = localPlacement;
if (!useInstanceGeometry)
{
bool needToCreateOpenings = OpeningUtil.NeedToCreateOpenings(instanceHandle, extraParams);
if (needToCreateOpenings)
{
Transform openingTrf = new Transform(oldTrf);
Transform extraRot = new Transform(oldTrf);
extraRot.Origin = XYZ.Zero;
openingTrf = openingTrf.Multiply(extraRot);
openingTrf = openingTrf.Multiply(typeInfo.StyleTransform);
IFCAnyHandle openingRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, openingTrf.Origin * scale,
openingTrf.get_Basis(2), openingTrf.get_Basis(0));
IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, localPlacement);
GeometryUtil.SetRelativePlacement(openingPlacement, openingRelativePlacement);
placementToUse = openingPlacement;
}
}
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
placementToUse, setter, wrapper);
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
break;
}
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
if (doorWindowInfo != null)
{
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(doorWindowInfo.GetOpening()))
{
string relGUID = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelFillsElement(file, relGUID, ownerHistory, null, null, doorWindowInfo.GetOpening(), instanceHandle);
}
else if (doorWindowInfo.NeedsOpening)
{
bool added = doorWindowInfo.SetDelayedFamilyInstance(instanceHandle, localPlacement, doorWindowInfo.AssignedLevelId);
if (added)
exporterIFC.RegisterDoorWindowForOpeningUpdate(doorWindowInfo);
else
{
// we need to fill a later opening.
exporterIFC.RegisterDoorWindowForUncreatedOpening(familyInstance.Id, instanceHandle);
}
}
}
if (!exportParts)
CategoryUtil.CreateMaterialAssociations(doc, exporterIFC, instanceHandle, typeInfo.MaterialIds);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeInfo.Style))
ExporterCacheManager.TypeRelationsCache.Add(typeInfo.Style, instanceHandle);
}
}
}
}
/// <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)
{
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, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
IFCAnyHandle localPlacement = setter.GetPlacement();
StairRampContainerInfo stairRampInfo = null;
ElementId hostId = GetStairOrRampHostId(exporterIFC, element as Railing);
if (hostId != ElementId.InvalidElementId)
{
stairRampInfo = ExporterCacheManager.StairRampContainerInfoCache.GetStairRampContainerInfo(hostId);
IFCAnyHandle stairRampLocalPlacement = stairRampInfo.LocalPlacements[0];
Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(stairRampLocalPlacement, localPlacement);
Transform inverseTrf = relTrf.Inverse;
IFCAnyHandle relativePlacement = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
IFCAnyHandle railingLocalPlacement = ExporterUtil.CreateLocalPlacement(file, stairRampLocalPlacement, relativePlacement);
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));
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);
bodyExporterOptions.TessellationLevel = BodyExporter.GetTessellationLevel();
//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;
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomObjects, boundingBoxTrf);
if (boundingBoxRep != null)
representations.Add(boundingBoxRep);
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string instanceGUID = GUIDUtil.CreateGUID(element);
string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
Toolkit.IFCRailingType railingType = GetIFCRailingType(element, ifcEnumType);
IFCAnyHandle railing = IFCInstanceExporter.CreateRailing(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(),
prodRep, instanceTag, railingType);
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.CreateMaterialAssociations(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.CreateMaterialAssociations(exporterIFC, railingHndCopy, bodyData.MaterialIds);
}
}
ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(hostId, stairRampInfo);
}
}
transaction.Commit();
}
}
}
/// <summary>
/// Exports a legacy staircase or ramp to IfcStair or IfcRamp, composing into separate runs and landings.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="ifcEnumType">>The ifc type.</param>
/// <param name="legacyStair">The legacy stairs or ramp element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportLegacyStairOrRampAsContainer(ExporterIFC exporterIFC, string ifcEnumType, Element legacyStair, GeometryElement geometryElement,
ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
ElementId categoryId = CategoryUtil.GetSafeCategoryId(legacyStair);
using (IFCTransaction tr = new IFCTransaction(file))
{
using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, legacyStair, null, null, ExporterUtil.GetBaseLevelIdForElement(legacyStair)))
{
IFCLegacyStairOrRamp legacyStairOrRamp = ExporterIFCUtils.GetLegacyStairOrRampComponents(exporterIFC, legacyStair);
if (legacyStairOrRamp == null)
return;
bool isRamp = legacyStairOrRamp.IsRamp;
using (IFCExtrusionCreationData ifcECData = new IFCExtrusionCreationData())
{
ifcECData.SetLocalPlacement(placementSetter.GetPlacement());
string stairDescription = NamingUtil.GetDescriptionOverride(legacyStair, null);
string stairObjectType = NamingUtil.GetObjectTypeOverride(legacyStair, NamingUtil.CreateIFCObjectName(exporterIFC, legacyStair));
string stairElementTag = NamingUtil.GetTagOverride(legacyStair, NamingUtil.CreateIFCElementId(legacyStair));
double defaultHeight = GetDefaultHeightForLegacyStair(exporterIFC.LinearScale);
double stairHeight = GetStairsHeightForLegacyStair(exporterIFC, legacyStair, defaultHeight);
int numFlights = GetNumFlightsForLegacyStair(exporterIFC, legacyStair, defaultHeight);
List<IFCLevelInfo> localLevelInfoForFlights = new List<IFCLevelInfo>();
List<IFCAnyHandle> localPlacementForFlights = new List<IFCAnyHandle>();
List<List<IFCAnyHandle>> components = new List<List<IFCAnyHandle>>();
components.Add(new List<IFCAnyHandle>());
if (numFlights > 1)
{
XYZ zDir = new XYZ(0.0, 0.0, 1.0);
XYZ xDir = new XYZ(1.0, 0.0, 0.0);
for (int ii = 1; ii < numFlights; ii++)
{
components.Add(new List<IFCAnyHandle>());
double newOffsetScaled = 0.0;
IFCAnyHandle newLevelHnd = null;
localLevelInfoForFlights.Add(
placementSetter.GetOffsetLevelInfoAndHandle(stairHeight * ii, exporterIFC.LinearScale, out newLevelHnd, out newOffsetScaled));
XYZ orig = new XYZ(0.0, 0.0, newOffsetScaled);
IFCAnyHandle relativePlacement = ExporterUtil.CreateAxis2Placement3D(file, orig, zDir, xDir);
localPlacementForFlights.Add(IFCInstanceExporter.CreateLocalPlacement(file, newLevelHnd, relativePlacement));
}
}
IList<IFCAnyHandle> walkingLineReps = legacyStairOrRamp.GetWalkingLineRepresentations();
IList<IFCAnyHandle> boundaryReps = legacyStairOrRamp.GetBoundaryRepresentations();
IList<IList<GeometryObject>> geometriesOfRuns = legacyStairOrRamp.GetRunGeometries();
IList<int> numRisers = legacyStairOrRamp.GetNumberOfRisers();
IList<int> numTreads = legacyStairOrRamp.GetNumberOfTreads();
IList<double> treadsLength = legacyStairOrRamp.GetTreadsLength();
double riserHeight = legacyStairOrRamp.RiserHeight;
int runCount = geometriesOfRuns.Count;
int walkingLineCount = walkingLineReps.Count;
int boundaryRepCount = boundaryReps.Count;
for (int ii = 0; ii < runCount; ii++)
{
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
bodyExporterOptions.TessellationLevel = BodyExporter.GetTessellationLevel();
IList<GeometryObject> geometriesOfARun = geometriesOfRuns[ii];
BodyData bodyData = BodyExporter.ExportBody(exporterIFC, legacyStair, categoryId, ElementId.InvalidElementId, geometriesOfARun,
bodyExporterOptions, null);
IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
continue;
}
HashSet<IFCAnyHandle> flightHnds = new HashSet<IFCAnyHandle>();
List<IFCAnyHandle> representations = new List<IFCAnyHandle>();
if ((ii < walkingLineCount) && !IFCAnyHandleUtil.IsNullOrHasNoValue(walkingLineReps[ii]))
representations.Add(walkingLineReps[ii]);
if ((ii < boundaryRepCount) && !IFCAnyHandleUtil.IsNullOrHasNoValue(boundaryReps[ii]))
representations.Add(boundaryReps[ii]);
representations.Add(bodyRep);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometriesOfARun, Transform.Identity);
if (boundingBoxRep != null)
representations.Add(boundingBoxRep);
IFCAnyHandle flightRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle flightLocalPlacement = ExporterUtil.CreateLocalPlacement(file, placementSetter.GetPlacement(), null);
IFCAnyHandle flightHnd;
string stairName = NamingUtil.GetNameOverride(legacyStair, NamingUtil.GetIFCNamePlusIndex(legacyStair, ii + 1));
if (isRamp)
{
flightHnd = IFCInstanceExporter.CreateRampFlight(file, GUIDUtil.CreateGUID(), exporterIFC.GetOwnerHistoryHandle(),
stairName, stairDescription, stairObjectType, flightLocalPlacement, flightRep, stairElementTag);
flightHnds.Add(flightHnd);
productWrapper.AddElement(null, flightHnd, placementSetter.GetLevelInfo(), null, false);
}
else
{
flightHnd = IFCInstanceExporter.CreateStairFlight(file, GUIDUtil.CreateGUID(), exporterIFC.GetOwnerHistoryHandle(),
stairName, stairDescription, stairObjectType, flightLocalPlacement, flightRep, stairElementTag, numRisers[ii], numTreads[ii],
riserHeight, treadsLength[ii]);
flightHnds.Add(flightHnd);
productWrapper.AddElement(null, flightHnd, placementSetter.GetLevelInfo(), null, false);
}
CategoryUtil.CreateMaterialAssociations(exporterIFC, flightHnd, bodyData.MaterialIds);
components[0].Add(flightHnd);
for (int compIdx = 1; compIdx < numFlights; compIdx++)
{
if (isRamp)
{
IFCAnyHandle newLocalPlacement = ExporterUtil.CreateLocalPlacement(file, localPlacementForFlights[compIdx - 1], null);
IFCAnyHandle newProdRep = ExporterUtil.CopyProductDefinitionShape(exporterIFC, legacyStair, categoryId, IFCAnyHandleUtil.GetRepresentation(flightHnd));
flightHnd = IFCInstanceExporter.CreateRampFlight(file, GUIDUtil.CreateGUID(), exporterIFC.GetOwnerHistoryHandle(),
stairName, stairDescription, stairObjectType, newLocalPlacement, newProdRep, stairElementTag);
components[compIdx].Add(flightHnd);
}
else
{
IFCAnyHandle newLocalPlacement = ExporterUtil.CreateLocalPlacement(file, localPlacementForFlights[compIdx - 1], null);
IFCAnyHandle newProdRep = ExporterUtil.CopyProductDefinitionShape(exporterIFC, legacyStair, categoryId, IFCAnyHandleUtil.GetRepresentation(flightHnd));
flightHnd = IFCInstanceExporter.CreateStairFlight(file, GUIDUtil.CreateGUID(), exporterIFC.GetOwnerHistoryHandle(),
stairName, stairDescription, stairObjectType, newLocalPlacement, newProdRep, stairElementTag,
numRisers[ii], numTreads[ii], riserHeight, treadsLength[ii]);
components[compIdx].Add(flightHnd);
}
productWrapper.AddElement(null, flightHnd, placementSetter.GetLevelInfo(), null, false);
CategoryUtil.CreateMaterialAssociations(exporterIFC, flightHnd, bodyData.MaterialIds);
flightHnds.Add(flightHnd);
}
}
IList<IList<GeometryObject>> geometriesOfLandings = legacyStairOrRamp.GetLandingGeometries();
for (int ii = 0; ii < geometriesOfLandings.Count; ii++)
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
bodyExporterOptions.TessellationLevel = BodyExporterOptions.BodyTessellationLevel.Coarse;
IList<GeometryObject> geometriesOfALanding = geometriesOfLandings[ii];
BodyData bodyData = BodyExporter.ExportBody(exporterIFC, legacyStair, categoryId, ElementId.InvalidElementId, geometriesOfALanding,
bodyExporterOptions, ecData);
IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
ecData.ClearOpenings();
continue;
}
List<IFCAnyHandle> representations = new List<IFCAnyHandle>();
if (((ii+runCount) < walkingLineCount) && !IFCAnyHandleUtil.IsNullOrHasNoValue(walkingLineReps[ii + runCount]))
representations.Add(walkingLineReps[ii + runCount]);
if (((ii+runCount) < boundaryRepCount) && !IFCAnyHandleUtil.IsNullOrHasNoValue(boundaryReps[ii + runCount]))
representations.Add(boundaryReps[ii + runCount]);
representations.Add(bodyRep);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometriesOfALanding, Transform.Identity);
if (boundingBoxRep != null)
representations.Add(boundingBoxRep);
IFCAnyHandle shapeHnd = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle landingLocalPlacement = ExporterUtil.CreateLocalPlacement(file, placementSetter.GetPlacement(), null);
string stairName = NamingUtil.GetIFCNamePlusIndex(legacyStair, ii + 1);
IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, GUIDUtil.CreateGUID(), exporterIFC.GetOwnerHistoryHandle(),
stairName, stairDescription, stairObjectType, landingLocalPlacement, shapeHnd, stairElementTag, IFCSlabType.Landing);
productWrapper.AddElement(null, slabHnd, placementSetter.GetLevelInfo(), ecData, false);
CategoryUtil.CreateMaterialAssociations(exporterIFC, slabHnd, bodyData.MaterialIds);
components[0].Add(slabHnd);
for (int compIdx = 1; compIdx < numFlights; compIdx++)
{
IFCAnyHandle newLocalPlacement = ExporterUtil.CreateLocalPlacement(file, localPlacementForFlights[compIdx - 1], null);
IFCAnyHandle newProdRep = ExporterUtil.CopyProductDefinitionShape(exporterIFC, legacyStair, categoryId, IFCAnyHandleUtil.GetRepresentation(slabHnd));
IFCAnyHandle newSlabHnd = IFCInstanceExporter.CreateSlab(file, GUIDUtil.CreateGUID(), exporterIFC.GetOwnerHistoryHandle(),
stairName, stairDescription, stairObjectType, newLocalPlacement, newProdRep, stairElementTag, IFCSlabType.Landing);
CategoryUtil.CreateMaterialAssociations(exporterIFC, slabHnd, bodyData.MaterialIds);
components[compIdx].Add(newSlabHnd);
productWrapper.AddElement(null, newSlabHnd, placementSetter.GetLevelInfo(), ecData, false);
}
}
}
IList<GeometryObject> geometriesOfStringer = legacyStairOrRamp.GetStringerGeometries();
for (int ii = 0; ii < geometriesOfStringer.Count; ii++)
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
bodyExporterOptions.TessellationLevel = BodyExporterOptions.BodyTessellationLevel.Coarse;
GeometryObject geometryOfStringer = geometriesOfStringer[ii];
BodyData bodyData = BodyExporter.ExportBody(exporterIFC, legacyStair, categoryId, ElementId.InvalidElementId, geometryOfStringer,
bodyExporterOptions, ecData);
IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
ecData.ClearOpenings();
continue;
}
List<IFCAnyHandle> representations = new List<IFCAnyHandle>();
representations.Add(bodyRep);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometriesOfStringer, Transform.Identity);
if (boundingBoxRep != null)
representations.Add(boundingBoxRep);
IFCAnyHandle stringerRepHnd = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle stringerLocalPlacement = ExporterUtil.CreateLocalPlacement(file, placementSetter.GetPlacement(), null);
string stairName = NamingUtil.GetIFCNamePlusIndex(legacyStair, ii + 1);
IFCAnyHandle memberHnd = IFCInstanceExporter.CreateMember(file, GUIDUtil.CreateGUID(), exporterIFC.GetOwnerHistoryHandle(),
stairName, stairDescription, stairObjectType, stringerLocalPlacement, stringerRepHnd, stairElementTag);
productWrapper.AddElement(null, memberHnd, placementSetter.GetLevelInfo(), ecData, false);
PropertyUtil.CreateBeamColumnMemberBaseQuantities(exporterIFC, memberHnd, null, ecData);
CategoryUtil.CreateMaterialAssociations(exporterIFC, memberHnd, bodyData.MaterialIds);
components[0].Add(memberHnd);
for (int compIdx = 1; compIdx < numFlights; compIdx++)
{
IFCAnyHandle newLocalPlacement = ExporterUtil.CreateLocalPlacement(file, localPlacementForFlights[compIdx - 1], null);
IFCAnyHandle newProdRep = ExporterUtil.CopyProductDefinitionShape(exporterIFC, legacyStair, categoryId, IFCAnyHandleUtil.GetRepresentation(memberHnd));
IFCAnyHandle newMemberHnd = IFCInstanceExporter.CreateMember(file, GUIDUtil.CreateGUID(), exporterIFC.GetOwnerHistoryHandle(),
stairName, stairDescription, stairObjectType, newLocalPlacement, newProdRep, stairElementTag);
CategoryUtil.CreateMaterialAssociations(exporterIFC, memberHnd, bodyData.MaterialIds);
components[compIdx].Add(newMemberHnd);
productWrapper.AddElement(null, newMemberHnd, placementSetter.GetLevelInfo(), ecData, false);
}
}
}
List<IFCAnyHandle> createdStairs = new List<IFCAnyHandle>();
if (isRamp)
{
IFCRampType rampType = RampExporter.GetIFCRampType(ifcEnumType);
string stairName = NamingUtil.GetIFCName(legacyStair);
IFCAnyHandle containedRampHnd = IFCInstanceExporter.CreateRamp(file, GUIDUtil.CreateGUID(legacyStair), exporterIFC.GetOwnerHistoryHandle(),
stairName, stairDescription, stairObjectType, placementSetter.GetPlacement(), null, stairElementTag, rampType);
productWrapper.AddElement(legacyStair, containedRampHnd, placementSetter.GetLevelInfo(), ifcECData, true);
createdStairs.Add(containedRampHnd);
}
else
{
IFCStairType stairType = GetIFCStairType(ifcEnumType);
string stairName = NamingUtil.GetIFCName(legacyStair);
IFCAnyHandle containedStairHnd = IFCInstanceExporter.CreateStair(file, GUIDUtil.CreateGUID(legacyStair), exporterIFC.GetOwnerHistoryHandle(),
stairName, stairDescription, stairObjectType, placementSetter.GetPlacement(), null, stairElementTag, stairType);
productWrapper.AddElement(legacyStair, containedStairHnd, placementSetter.GetLevelInfo(), ifcECData, true);
createdStairs.Add(containedStairHnd);
}
// multi-story stairs.
if (numFlights > 1)
{
IFCAnyHandle localPlacement = placementSetter.GetPlacement();
IFCAnyHandle relPlacement = GeometryUtil.GetRelativePlacementFromLocalPlacement(localPlacement);
IFCAnyHandle ptHnd = IFCAnyHandleUtil.GetLocation(relPlacement);
IList<double> origCoords = null;
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(ptHnd))
origCoords = IFCAnyHandleUtil.GetCoordinates(ptHnd);
for (int ii = 1; ii < numFlights; ii++)
{
IFCLevelInfo levelInfo = localLevelInfoForFlights[ii - 1];
if (levelInfo == null)
levelInfo = placementSetter.GetLevelInfo();
localPlacement = localPlacementForFlights[ii - 1];
// relate to bottom stair or closest level? For code checking, we need closest level, and
// that seems good enough for the general case.
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(ptHnd))
{
IFCAnyHandle relPlacement2 = GeometryUtil.GetRelativePlacementFromLocalPlacement(localPlacement);
IFCAnyHandle newPt = IFCAnyHandleUtil.GetLocation(relPlacement2);
List<double> newCoords = new List<double>();
newCoords.Add(origCoords[0]);
newCoords.Add(origCoords[1]);
newCoords.Add(origCoords[2]);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(newPt))
{
IList<double> addToCoords;
addToCoords = IFCAnyHandleUtil.GetCoordinates(newPt);
newCoords[0] += addToCoords[0];
newCoords[1] += addToCoords[1];
newCoords[2] = addToCoords[2];
}
IFCAnyHandle locPt = ExporterUtil.CreateCartesianPoint(file, newCoords);
IFCAnyHandleUtil.SetAttribute(relPlacement2, "Location", locPt);
}
if (isRamp)
{
IFCRampType rampType = RampExporter.GetIFCRampType(ifcEnumType);
string stairName = NamingUtil.GetIFCName(legacyStair);
IFCAnyHandle containedRampHnd = IFCInstanceExporter.CreateRamp(file, GUIDUtil.CreateGUID(legacyStair), exporterIFC.GetOwnerHistoryHandle(),
stairName, stairDescription, stairObjectType, localPlacement, null, stairElementTag, rampType);
productWrapper.AddElement(legacyStair, containedRampHnd, levelInfo, ifcECData, true);
//createdStairs.Add(containedRampHnd) ???????????????????????
}
else
{
IFCStairType stairType = GetIFCStairType(ifcEnumType);
string stairName = NamingUtil.GetIFCName(legacyStair);
IFCAnyHandle containedStairHnd = IFCInstanceExporter.CreateStair(file, GUIDUtil.CreateGUID(legacyStair), exporterIFC.GetOwnerHistoryHandle(),
stairName, stairDescription, stairObjectType, localPlacement, null, stairElementTag, stairType);
productWrapper.AddElement(legacyStair, containedStairHnd, levelInfo, ifcECData, true);
createdStairs.Add(containedStairHnd);
}
}
}
localPlacementForFlights.Insert(0, placementSetter.GetPlacement());
StairRampContainerInfo stairRampInfo = new StairRampContainerInfo(createdStairs, components, localPlacementForFlights);
ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(legacyStair.Id, stairRampInfo);
}
}
tr.Commit();
}
}
/// <summary>
/// Exports an element as an IfcReinforcingMesh.
/// </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>
/// <returns>True if exported successfully, false otherwise.</returns>
public static bool ExportFabricSheet(ExporterIFC exporterIFC, FabricSheet sheet,
GeometryElement geometryElement, ProductWrapper productWrapper)
{
if (sheet == null || geometryElement == null)
return false;
Document doc = sheet.Document;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, sheet, null, null, ExporterUtil.GetBaseLevelIdForElement(sheet)))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(placementSetter.GetPlacement());
ElementId categoryId = CategoryUtil.GetSafeCategoryId(sheet);
ElementId materialId = ElementId.InvalidElementId;
ParameterUtil.GetElementIdValueFromElementOrSymbol(sheet, BuiltInParameter.MATERIAL_ID_PARAM, out materialId);
double scale = exporterIFC.LinearScale;
string guid = GUIDUtil.CreateGUID(sheet);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string revitObjectType = exporterIFC.GetFamilyName();
string name = NamingUtil.GetNameOverride(sheet, revitObjectType);
string description = NamingUtil.GetDescriptionOverride(sheet, null);
string objectType = NamingUtil.GetObjectTypeOverride(sheet, revitObjectType);
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
string elementTag = NamingUtil.CreateIFCElementId(sheet);
string steelGrade = NamingUtil.GetOverrideStringValue(sheet, "SteelGrade", null);
double? meshLength = sheet.CutOverallLength;
double? meshWidth = sheet.CutOverallWidth;
Element fabricSheetTypeElem = doc.GetElement(sheet.GetTypeId());
FabricSheetType fabricSheetType = (fabricSheetTypeElem == null) ? null : (fabricSheetTypeElem as FabricSheetType);
double longitudinalBarNominalDiameter = 0.0;
double transverseBarNominalDiameter = 0.0;
double longitudinalBarCrossSectionArea = 0.0;
double transverseBarCrossSectionArea = 0.0;
double longitudinalBarSpacing = 0.0;
double transverseBarSpacing = 0.0;
if (fabricSheetType != null)
{
Element majorFabricWireTypeElem = doc.GetElement(fabricSheetType.MajorDirectionWireType);
FabricWireType majorFabricWireType = (majorFabricWireTypeElem == null) ? null : (majorFabricWireTypeElem as FabricWireType);
if (majorFabricWireType != null)
{
longitudinalBarNominalDiameter = majorFabricWireType.WireDiameter * scale;
double localRadius = longitudinalBarNominalDiameter / 2.0;
longitudinalBarCrossSectionArea = localRadius * localRadius * Math.PI;
}
Element minorFabricWireTypeElem = doc.GetElement(fabricSheetType.MinorDirectionWireType);
FabricWireType minorFabricWireType = (minorFabricWireTypeElem == null) ? null : (minorFabricWireTypeElem as FabricWireType);
if (minorFabricWireType != null)
{
transverseBarNominalDiameter = minorFabricWireType.WireDiameter * scale;
double localRadius = transverseBarNominalDiameter / 2.0;
transverseBarCrossSectionArea = localRadius * localRadius * Math.PI;
}
longitudinalBarSpacing = fabricSheetType.MajorSpacing * scale;
transverseBarSpacing = fabricSheetType.MinorSpacing * scale;
}
IList<IFCAnyHandle> bodyItems = new List<IFCAnyHandle>();
IList<Curve> wireCenterlines = sheet.GetWireCenterlines(WireDistributionDirection.Major);
foreach (Curve wireCenterline in wireCenterlines)
{
IFCAnyHandle bodyItem = CreateSweptDiskSolid(exporterIFC, file, wireCenterline, longitudinalBarNominalDiameter);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(bodyItem))
bodyItems.Add(bodyItem);
}
wireCenterlines = sheet.GetWireCenterlines(WireDistributionDirection.Minor);
foreach (Curve wireCenterline in wireCenterlines)
{
IFCAnyHandle bodyItem = CreateSweptDiskSolid(exporterIFC, file, wireCenterline, transverseBarNominalDiameter);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(bodyItem))
bodyItems.Add(bodyItem);
}
IFCAnyHandle shapeRep = (bodyItems.Count > 0) ?
RepresentationUtil.CreateAdvancedSweptSolidRep(exporterIFC, sheet, categoryId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null) :
null;
IList<IFCAnyHandle> shapeReps = null;
if (shapeRep != null)
{
shapeReps = new List<IFCAnyHandle>();
shapeReps.Add(shapeRep);
}
IFCAnyHandle prodRep = (shapeReps != null) ? IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps) : null;
IFCAnyHandle fabricSheet = IFCInstanceExporter.CreateReinforcingMesh(file, guid,
ownerHistory, name, description, objectType, localPlacement, prodRep, elementTag,
steelGrade, meshLength, meshWidth, longitudinalBarNominalDiameter, transverseBarNominalDiameter,
longitudinalBarCrossSectionArea, transverseBarCrossSectionArea,
longitudinalBarSpacing, transverseBarSpacing);
ElementId fabricAreaId = sheet.FabricAreaOwnerId;
if (fabricAreaId != ElementId.InvalidElementId)
{
HashSet<IFCAnyHandle> fabricSheets = null;
if (!ExporterCacheManager.FabricAreaHandleCache.TryGetValue(fabricAreaId, out fabricSheets))
{
fabricSheets = new HashSet<IFCAnyHandle>();
ExporterCacheManager.FabricAreaHandleCache[fabricAreaId] = fabricSheets;
}
fabricSheets.Add(fabricSheet);
}
productWrapper.AddElement(sheet, fabricSheet, placementSetter.GetLevelInfo(), ecData, true);
CategoryUtil.CreateMaterialAssociation(exporterIFC, fabricSheet, materialId);
}
}
tr.Commit();
return true;
}
}
/// <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.Level.Id, false))
return;
ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
{
IFCAnyHandle prodRep = exportParts ? null : RepresentationUtil.CreateSurfaceProductDefinitionShape(exporterIFC,
element, geomElem, false, false);
string instanceGUID = GUIDUtil.CreateGUID(element);
string instanceName = NamingUtil.GetIFCName(element);
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string instanceElemId = NamingUtil.CreateIFCElementId(element);
Toolkit.IFCCoveringType coveringType = GetIFCCoveringType(element, ifcEnumType);
IFCAnyHandle covering = IFCInstanceExporter.CreateCovering(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
instanceName, instanceDescription, instanceObjectType, setter.GetPlacement(), prodRep, instanceElemId, coveringType);
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, element, covering, productWrapper, setter, setter.GetPlacement(), null);
}
productWrapper.AddElement(covering, setter, null, LevelUtil.AssociateElementToLevel(element));
Ceiling ceiling = element as Ceiling;
if (ceiling != null && !exportParts)
{
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, ceiling, covering,
geomElem, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3);
}
if (ExporterCacheManager.ExportOptionsCache.PropertySetOptions.ExportIFCCommon)
ExporterIFCUtils.CreateCoveringPropertySet(exporterIFC, element, productWrapper.ToNative());
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);
}
transaction.Commit();
}
}
/// <summary>
/// Exports a floor to IFC slab.
/// </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>
/// <param name="exportParts">
/// Whether to export parts or not.
/// </param>
/// <returns>
/// True if the floor is exported successfully, false otherwise.
/// </returns>
public static void ExportFloor(ExporterIFC exporterIFC, Element floorElement, GeometryElement geometryElement, string ifcEnumType,
ProductWrapper productWrapper, bool exportParts)
{
if (geometryElement == null)
return;
IFCFile file = exporterIFC.GetFile();
IList<IFCAnyHandle> slabHnds = new List<IFCAnyHandle>();
IList<IFCAnyHandle> brepSlabHnds = new List<IFCAnyHandle>();
IList<IFCAnyHandle> nonBrepSlabHnds = new List<IFCAnyHandle>();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (IFCTransformSetter transformSetter = IFCTransformSetter.Create())
{
using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, floorElement))
{
IFCAnyHandle localPlacement = placementSetter.GetPlacement();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
bool exportedAsInternalExtrusion = false;
double scale = exporterIFC.LinearScale;
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();
IList<IFCAnyHandle> localPlacements = new List<IFCAnyHandle>();
if (!exportParts)
{
// First, 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.
//
if (floorElement is Floor)
{
Floor floor = floorElement as Floor;
SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSolidMeshGeometry(geometryElement, Transform.Identity);
IList<Solid> solids = solidMeshInfo.GetSolids();
IList<Mesh> meshes = solidMeshInfo.GetMeshes();
if (solids.Count == 1 && meshes.Count == 0)
{
IList<Solid> splitVolumes = SolidUtils.SplitVolumes(solids[0]);
if (splitVolumes.Count == 1)
{
bool completelyClipped;
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 thruough te Revit model orgigin. We'll try the midpoint of the bounding box instead.
BoundingBoxXYZ boundingBox = floor.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 extrusionAnalyzerFloorPlane = new Plane(floorDir, floorOrigin);
HandleAndData floorAndProperties =
ExtrusionExporter.CreateExtrusionWithClippingAndProperties(exporterIFC, floor,
catId, solids[0], extrusionAnalyzerFloorPlane, floorExtrusionDirection, null, out completelyClipped);
if (completelyClipped)
return;
if (floorAndProperties.Handle != null)
{
IList<IFCAnyHandle> representations = new List<IFCAnyHandle>();
representations.Add(floorAndProperties.Handle);
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
prodReps.Add(prodRep);
repTypes.Add(ShapeRepresentationType.SweptSolid);
if (floorAndProperties.Data != null)
loopExtraParams.Add(floorAndProperties.Data);
}
}
}
}
}
// Use internal routine as backup that handles openings.
if (prodReps.Count == 0)
{
exportedAsInternalExtrusion = ExporterIFCUtils.ExportSlabAsExtrusion(exporterIFC, floorElement,
geometryElement, transformSetter, localPlacement, out localPlacements, out prodReps,
out extrusionLoops, out loopExtraParams, floorPlane);
for (int ii = 0; ii < prodReps.Count; ii++)
{
// all are extrusions
repTypes.Add(ShapeRepresentationType.SweptSolid);
}
}
if (prodReps.Count == 0)
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
bodyExporterOptions.TessellationLevel = BodyExporterOptions.BodyTessellationLevel.Coarse;
BodyData bodyData;
IFCAnyHandle prodDefHnd = RepresentationUtil.CreateBRepProductDefinitionShape(floorElement.Document.Application, 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;
for (int ii = 0; ii < numReps; ii++)
{
string ifcName = NamingUtil.GetIFCNamePlusIndex(floorElement, ii == 0 ? -1 : ii + 1);
string ifcDescription = NamingUtil.GetDescriptionOverride(floorElement, null);
string ifcObjectType = NamingUtil.GetObjectTypeOverride(floorElement, exporterIFC.GetFamilyName());
string ifcElemId = NamingUtil.CreateIFCElementId(floorElement);
string currentGUID = (ii == 0) ? ifcGUID : GUIDUtil.CreateGUID();
IFCAnyHandle localPlacementHnd = exportedAsInternalExtrusion ? localPlacements[ii] : localPlacement;
IFCSlabType slabType = GetIFCSlabType(ifcEnumType);
IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, currentGUID, ownerHistory, ifcName,
ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii], ifcElemId, slabType);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(slabHnd))
return;
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, floorElement, slabHnd, productWrapper, placementSetter, localPlacementHnd, null);
}
slabHnds.Add(slabHnd);
if (!exportParts)
{
if (repTypes[ii] == ShapeRepresentationType.Brep)
brepSlabHnds.Add(slabHnd);
else
nonBrepSlabHnds.Add(slabHnd);
}
}
bool associateElementToLevel = LevelUtil.AssociateElementToLevel(floorElement);
for (int ii = 0; ii < numReps; ii++)
{
IFCExtrusionCreationData loopExtraParam = ii < loopExtraParams.Count ? loopExtraParams[ii] : null;
productWrapper.AddElement(slabHnds[ii], placementSetter, loopExtraParam, associateElementToLevel);
}
if (exportedAsInternalExtrusion)
ExporterIFCUtils.ExportExtrudedSlabOpenings(exporterIFC, floorElement, placementSetter,
localPlacements[0], slabHnds, extrusionLoops, floorPlane, productWrapper.ToNative());
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, floorElement, productWrapper);
}
if (!exportParts)
{
if (floorElement is HostObject && nonBrepSlabHnds.Count > 0)
{
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, floorElement as HostObject, nonBrepSlabHnds,
geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3);
}
if (floorElement is HostObject && brepSlabHnds.Count > 0)
{
IList<ElementId> matIds = HostObjectExporter.GetMaterialIds(floorElement as HostObject);
Document doc = floorElement.Document;
foreach (IFCAnyHandle slabHnd in brepSlabHnds)
{
CategoryUtil.CreateMaterialAssociations(doc, exporterIFC, slabHnd, matIds);
}
}
if (floorElement is FamilyInstance && slabHnds.Count > 0)
{
ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, floorElement);
Document doc = floorElement.Document;
foreach (IFCAnyHandle slabHnd in slabHnds)
{
CategoryUtil.CreateMaterialAssociation(doc, exporterIFC, slabHnd, matId);
}
}
}
}
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 ProductWrapper.
/// </param>
public static void Export(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, ProductWrapper 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.CreateAppropriateProductDefinitionShape(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 = 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);
HashSet<IFCAnyHandle> propertySetsOpt = new HashSet<IFCAnyHandle>();
IList<IFCAnyHandle> repMapListOpt = new List<IFCAnyHandle>();
IFCAnyHandle styleHandle = FamilyExporterUtil.ExportGenericType(exporterIFC, exportType, ifcEnumType, typeGUID, typeName,
typeDescription, applicableOccurence, propertySetsOpt, repMapListOpt, typeTag, typeElementType, element, type);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(styleHandle))
{
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;
if (FamilyExporterUtil.IsFurnishingElementSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateFurnishingElement(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if (FamilyExporterUtil.IsDistributionFlowElementSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateDistributionFlowElement(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if (FamilyExporterUtil.IsEnergyConversionDeviceSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateEnergyConversionDevice(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if (FamilyExporterUtil.IsFlowFittingSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateFlowFitting(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if (FamilyExporterUtil.IsFlowMovingDeviceSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateFlowMovingDevice(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if (FamilyExporterUtil.IsFlowSegmentSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateFlowSegment(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if (FamilyExporterUtil.IsFlowStorageDeviceSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateFlowStorageDevice(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if (FamilyExporterUtil.IsFlowTerminalSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateFlowTerminal(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if (FamilyExporterUtil.IsFlowTreatmentDeviceSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateFlowTreatmentDevice(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
else if (FamilyExporterUtil.IsFlowControllerSubType(exportType))
{
instanceHandle = IFCInstanceExporter.CreateFlowController(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
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>
/// Exports a Rebar to IFC ReinforcingMesh.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="element">
/// The element to be exported.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void ExportRebar(ExporterIFC exporterIFC,
Element element, Autodesk.Revit.DB.View filterView, ProductWrapper productWrapper)
{
try
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
{
if (element is Rebar)
{
GeometryElement rebarGeometry = ExporterIFCUtils.GetRebarGeometry(element as Rebar, filterView);
// only options are: Not Export, BuildingElementProxy, or ReinforcingBar/Mesh, depending on layout.
// Not Export is handled previously, and ReinforcingBar vs Mesh will be determined below.
string ifcEnumType;
IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType);
if (exportType == IFCExportType.ExportBuildingElementProxy)
{
if (rebarGeometry != null)
{
ProxyElementExporter.ExportBuildingElementProxy(exporterIFC, element, rebarGeometry, productWrapper);
transaction.Commit();
}
return;
}
}
IFCAnyHandle prodRep = null;
double scale = exporterIFC.LinearScale;
double totalBarLengthUnscale = GetRebarTotalLength(element);
double volumeUnscale = GetRebarVolume(element);
double totalBarLength = totalBarLengthUnscale * scale;
if (MathUtil.IsAlmostZero(totalBarLength))
return;
ElementId typeId = element.GetTypeId();
RebarBarType elementType = element.Document.GetElement(element.GetTypeId()) as RebarBarType;
double diameter = (elementType == null ? 1.0 / 12.0 : elementType.BarDiameter) * scale;
double radius = diameter / 2.0;
double longitudinalBarNominalDiameter = diameter;
double longitudinalBarCrossSectionArea = (volumeUnscale / totalBarLengthUnscale) * scale * scale;
double barLength = totalBarLength / GetRebarQuantity(element);
IList<Curve> baseCurves = GetRebarCenterlineCurves(element, true, false, false);
int numberOfBarPositions = GetNumberOfBarPositions(element);
for (int i = 0; i < numberOfBarPositions; i++)
{
if (!DoesBarExistAtPosition(element, i))
continue;
Transform barTrf = GetBarPositionTransform(element, i);
IList<Curve> curves = new List<Curve>();
foreach (Curve baseCurve in baseCurves)
{
curves.Add(baseCurve.get_Transformed(barTrf));
}
IFCAnyHandle compositeCurve = GeometryUtil.CreateCompositeCurve(exporterIFC, curves);
IFCAnyHandle sweptDiskSolid = IFCInstanceExporter.CreateSweptDiskSolid(file, compositeCurve, radius, null, 0, 1);
HashSet<IFCAnyHandle> bodyItems = new HashSet<IFCAnyHandle>();
bodyItems.Add(sweptDiskSolid);
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
IFCAnyHandle shapeRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, element, categoryId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null);
IList<IFCAnyHandle> shapeReps = new List<IFCAnyHandle>();
shapeReps.Add(shapeRep);
prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
string steelGradeOpt = null;
IFCAnyHandle elemHnd = null;
string rebarGUID = GUIDUtil.CreateGUID(element);
string rebarName = NamingUtil.GetIFCName(element);
string rebarDescription = NamingUtil.GetDescriptionOverride(element, null);
string rebarObjectType = NamingUtil.GetObjectTypeOverride(element, NamingUtil.CreateIFCObjectName(exporterIFC, element));
string rebarElemId = NamingUtil.CreateIFCElementId(element);
IFCReinforcingBarRole role = IFCReinforcingBarRole.NotDefined;
elemHnd = IFCInstanceExporter.CreateReinforcingBar(file, rebarGUID, exporterIFC.GetOwnerHistoryHandle(),
rebarName, rebarDescription, rebarObjectType, setter.GetPlacement(),
prodRep, rebarElemId, steelGradeOpt, longitudinalBarNominalDiameter, longitudinalBarCrossSectionArea,
barLength, role, null);
productWrapper.AddElement(elemHnd, setter.GetLevelInfo(), null, true);
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);
}
}
transaction.Commit();
}
}
catch (Exception)
{
// It will throw exception at GetBarPositionTransform when exporting rebars with Revit 2013 UR1 and before versions, so we skip the export.
// It should not come here and will export the rebars properly at Revit later versions.
}
}
/// <summary>
/// Creates openings if there is necessary.
/// </summary>
/// <param name="elementHandle">The element handle to create openings.</param>
/// <param name="element">The element to create openings.</param>
/// <param name="info">The extrusion data.</param>
/// <param name="extraParams">The extrusion creation data.</param>
/// <param name="offsetTransform">The offset transform from ExportBody, or the identity transform.</param>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="originalPlacement">The original placement handle.</param>
/// <param name="setter">The PlacementSetter.</param>
/// <param name="wrapper">The ProductWrapper.</param>
private static void CreateOpeningsIfNecessaryBase(IFCAnyHandle elementHandle, Element element, IList <IFCExtrusionData> info,
IFCExtrusionCreationData extraParams, Transform offsetTransform, ExporterIFC exporterIFC,
IFCAnyHandle originalPlacement, IFCPlacementSetter setter, ProductWrapper wrapper)
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(elementHandle))
{
return;
}
int sz = info.Count;
if (sz == 0)
{
return;
}
using (IFCTransformSetter transformSetter = IFCTransformSetter.Create())
{
if (offsetTransform != null)
{
transformSetter.Initialize(exporterIFC, offsetTransform.Inverse);
}
IFCFile file = exporterIFC.GetFile();
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
Document document = element.Document;
string openingObjectType = "Opening";
int openingNumber = 1;
for (int curr = info.Count - 1; curr >= 0; curr--)
{
IFCAnyHandle extrusionHandle = ExtrusionExporter.CreateExtrudedSolidFromExtrusionData(exporterIFC, element, info[curr]);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(extrusionHandle))
{
continue;
}
IFCAnyHandle styledItemHnd = BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, document,
extrusionHandle, ElementId.InvalidElementId);
HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>();
bodyItems.Add(extrusionHandle);
IFCAnyHandle contextOfItems = exporterIFC.Get3DContextHandle("Body");
IFCAnyHandle bodyRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, element, categoryId, contextOfItems, bodyItems, null);
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
representations.Add(bodyRep);
IFCAnyHandle openingRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, originalPlacement);
string guid = GUIDUtil.CreateGUID();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string openingName = NamingUtil.GetIFCNamePlusIndex(element, openingNumber++);
string elementId = NamingUtil.CreateIFCElementId(element);
IFCAnyHandle openingElement = IFCInstanceExporter.CreateOpeningElement(file, guid, ownerHistory,
openingName, null, openingObjectType, openingPlacement, openingRep, elementId);
wrapper.AddElement(null, openingElement, setter, extraParams, true);
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities && (extraParams != null))
{
ExporterIFCUtils.CreateOpeningQuantities(exporterIFC, openingElement, extraParams);
}
string voidGuid = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null, elementHandle, openingElement);
}
}
}
