static public void RegisterSpaceBoundingElementHandle(ExporterIFC exporterIFC, IFCAnyHandle elemHnd, ElementId elementId,
ElementId levelId)
{
int idx;
if (!ExporterCacheManager.HostObjectsLevelIndex.TryGetValue(levelId, out idx))
{
int nextIndex = ExporterCacheManager.HostObjectsLevelIndex.Count;
ExporterCacheManager.HostObjectsLevelIndex.Add(levelId, nextIndex);
}
exporterIFC.RegisterSpaceBoundingElementHandle(elemHnd, elementId, levelId);
}
static public void RegisterSpaceBoundingElementHandle(ExporterIFC exporterIFC, IFCAnyHandle elemHnd, ElementId elementId,
ElementId levelId)
{
int idx;
if (!ExporterCacheManager.HostObjectsLevelIndex.TryGetValue(levelId, out idx))
{
int nextIndex = ExporterCacheManager.HostObjectsLevelIndex.Count;
ExporterCacheManager.HostObjectsLevelIndex.Add(levelId, nextIndex);
}
exporterIFC.RegisterSpaceBoundingElementHandle(elemHnd, elementId, levelId);
}
/// <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>
/// Export the dummy wall to host an orphan part. It usually happens in the cases of associated parts are higher than split sub-wall.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The wall element.</param>
/// <param name="geometryElement">The geometry of wall.</param>
/// <param name="origWrapper">The IFCProductWrapper.</param>
/// <param name="overrideLevelId">The ElementId that will crate the dummy wall.</param>
/// <param name="range">The IFCRange corresponding to the dummy wall.</param>
/// <returns>The handle of dummy wall.</returns>
public static IFCAnyHandle ExportDummyWall(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
IFCProductWrapper origWrapper, ElementId overrideLevelId, IFCRange range)
{
using (IFCProductWrapper localWrapper = IFCProductWrapper.Create(origWrapper))
{
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
Wall wallElement = element as Wall;
if (wallElement == null)
return null;
if (wallElement != null && IsWallCompletelyClipped(wallElement, exporterIFC, range))
return null;
// get global values.
Document doc = element.Document;
double scale = exporterIFC.LinearScale;
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
bool validRange = (range != null && !MathUtil.IsAlmostZero(range.Start - range.End));
bool exportParts = PartExporter.CanExportParts(wallElement);
if (exportParts && !PartExporter.CanExportElementInPartExport(wallElement, validRange ? overrideLevelId : wallElement.Level.Id, validRange))
return null;
string objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element);
IFCAnyHandle wallHnd = null;
string elemGUID = (validRange) ? ExporterIFCUtils.CreateGUID() : ExporterIFCUtils.CreateGUID(element);
string elemName = NamingUtil.GetNameOverride(element, exporterIFC.GetName());
string elemDesc = NamingUtil.GetDescriptionOverride(element, null);
string elemObjectType = NamingUtil.GetObjectTypeOverride(element, objectType);
string elemId = NamingUtil.CreateIFCElementId(element);
Transform orientationTrf = Transform.Identity;
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, orientationTrf, overrideLevelId))
{
IFCAnyHandle localPlacement = setter.GetPlacement();
wallHnd = IFCInstanceExporter.CreateWall(file, elemGUID, ownerHistory, elemName, elemDesc, elemObjectType,
localPlacement, null, elemId);
if (exportParts)
PartExporter.ExportHostPart(exporterIFC, wallElement, wallHnd, localWrapper, setter, localPlacement, overrideLevelId);
IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData();
extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ; // only allow vertical extrusions!
extraParams.AreInnerRegionsOpenings = true;
localWrapper.AddElement(wallHnd, setter, extraParams, true);
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, localWrapper);
ElementId wallLevelId = (validRange) ? setter.LevelId : ElementId.InvalidElementId;
exporterIFC.RegisterSpaceBoundingElementHandle(wallHnd, element.Id, wallLevelId);
}
return wallHnd;
}
}
/// <summary>
/// Main implementation to export walls.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="element">
/// The element.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="origWrapper">
/// The IFCProductWrapper.
/// </param>
/// <param name="overrideLevelId">
/// The level id.
/// </param>
/// <param name="range">
/// The range to be exported for the element.
/// </param>
/// <returns>
/// The exported wall handle.
/// </returns>
public static IFCAnyHandle ExportWallBase(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
IFCProductWrapper origWrapper, ElementId overrideLevelId, IFCRange range)
{
using (IFCProductWrapper localWrapper = IFCProductWrapper.Create(origWrapper))
{
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
Wall wallElement = element as Wall;
FamilyInstance famInstWallElem = element as FamilyInstance;
if (wallElement == null && famInstWallElem == null)
return null;
if (wallElement != null && IsWallCompletelyClipped(wallElement, exporterIFC, range))
return null;
// get global values.
Document doc = element.Document;
double scale = exporterIFC.LinearScale;
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
IFCAnyHandle contextOfItemsAxis = exporterIFC.Get3DContextHandle("Axis");
IFCAnyHandle contextOfItemsBody = exporterIFC.Get3DContextHandle("Body");
IFCRange zSpan = new IFCRange();
double depth = 0.0;
bool validRange = (range != null && !MathUtil.IsAlmostZero(range.Start - range.End));
bool exportParts = PartExporter.CanExportParts(wallElement);
if (exportParts && !PartExporter.CanExportElementInPartExport(wallElement, validRange? overrideLevelId : wallElement.Level.Id, validRange))
return null;
// get bounding box height so that we can subtract out pieces properly.
// only for Wall, not FamilyInstance.
if (wallElement != null && geometryElement != null)
{
BoundingBoxXYZ boundingBox = element.get_BoundingBox(null);
if (boundingBox == null)
return null;
zSpan = new IFCRange(boundingBox.Min.Z, boundingBox.Max.Z);
// if we have a top clipping plane, modify depth accordingly.
double bottomHeight = validRange ? Math.Max(zSpan.Start, range.Start) : zSpan.Start;
double topHeight = validRange ? Math.Min(zSpan.End, range.End) : zSpan.End;
depth = topHeight - bottomHeight;
if (MathUtil.IsAlmostZero(depth))
return null;
depth *= scale;
}
IFCAnyHandle axisRep = null;
IFCAnyHandle bodyRep = null;
bool exportingAxis = false;
Curve curve = null;
bool exportedAsWallWithAxis = false;
bool exportedBodyDirectly = false;
bool exportingInplaceOpenings = false;
Curve centerCurve = GetWallAxis(wallElement);
XYZ localXDir = new XYZ(1, 0, 0);
XYZ localYDir = new XYZ(0, 1, 0);
XYZ localZDir = new XYZ(0, 0, 1);
XYZ localOrig = new XYZ(0, 0, 0);
double eps = MathUtil.Eps();
if (centerCurve != null)
{
Curve baseCurve = GetWallAxisAtBaseHeight(wallElement);
curve = GetWallTrimmedCurve(wallElement, baseCurve);
IFCRange curveBounds;
XYZ oldOrig;
GeometryUtil.GetAxisAndRangeFromCurve(curve, out curveBounds, out localXDir, out oldOrig);
localOrig = oldOrig;
if (baseCurve != null)
{
if (!validRange || (MathUtil.IsAlmostEqual(range.Start, zSpan.Start)))
{
XYZ newOrig = baseCurve.Evaluate(curveBounds.Start, false);
if (!validRange && (zSpan.Start < newOrig[2] - eps))
localOrig = new XYZ(localOrig.X, localOrig.Y, zSpan.Start);
else
localOrig = new XYZ(localOrig.X, localOrig.Y, newOrig[2]);
}
else
{
localOrig = new XYZ(localOrig.X, localOrig.Y, range.Start);
}
}
double dist = localOrig[2] - oldOrig[2];
if (!MathUtil.IsAlmostZero(dist))
{
XYZ moveVec = new XYZ(0, 0, dist);
curve = GeometryUtil.MoveCurve(curve, moveVec);
}
localYDir = localZDir.CrossProduct(localXDir);
// ensure that X and Z axes are orthogonal.
double xzDot = localZDir.DotProduct(localXDir);
if (!MathUtil.IsAlmostZero(xzDot))
localXDir = localYDir.CrossProduct(localZDir);
}
Transform orientationTrf = Transform.Identity;
orientationTrf.BasisX = localXDir;
orientationTrf.BasisY = localYDir;
orientationTrf.BasisZ = localZDir;
orientationTrf.Origin = localOrig;
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, orientationTrf, overrideLevelId))
{
IFCAnyHandle localPlacement = setter.GetPlacement();
Plane plane = new Plane(localXDir, localYDir, localOrig); // project curve to XY plane.
XYZ projDir = XYZ.BasisZ;
// two representations: axis, body.
{
if ((centerCurve != null) && (GeometryUtil.CurveIsLineOrArc(centerCurve)))
{
exportingAxis = true;
string identifierOpt = "Axis"; // IFC2x2 convention
string representationTypeOpt = "Curve2D"; // IFC2x2 convention
IFCGeometryInfo info = IFCGeometryInfo.CreateCurveGeometryInfo(exporterIFC, plane, projDir, false);
ExporterIFCUtils.CollectGeometryInfo(exporterIFC, info, curve, XYZ.Zero, true);
IList<IFCAnyHandle> axisItems = info.GetCurves();
if (axisItems.Count == 0)
{
exportingAxis = false;
}
else
{
HashSet<IFCAnyHandle> axisItemSet = new HashSet<IFCAnyHandle>();
foreach (IFCAnyHandle axisItem in axisItems)
axisItemSet.Add(axisItem);
axisRep = RepresentationUtil.CreateShapeRepresentation(exporterIFC, element, catId, contextOfItemsAxis,
identifierOpt, representationTypeOpt, axisItemSet);
}
}
}
IList<IFCExtrusionData> cutPairOpenings = new List<IFCExtrusionData>();
Document document = element.Document;
if (wallElement != null && exportingAxis && curve != null)
{
SolidMeshGeometryInfo solidMeshInfo =
(range == null) ? GeometryUtil.GetSolidMeshGeometry(geometryElement, Transform.Identity) :
GeometryUtil.GetClippedSolidMeshGeometry(geometryElement, range);
IList<Solid> solids = solidMeshInfo.GetSolids();
IList<Mesh> meshes = solidMeshInfo.GetMeshes();
if (solids.Count == 0 && meshes.Count == 0)
return null;
bool useNewCode = false;
if (useNewCode && solids.Count == 1 && meshes.Count == 0)
{
bool completelyClipped;
bodyRep = ExtrusionExporter.CreateExtrusionWithClipping(exporterIFC, wallElement, catId, solids[0],
plane, projDir, range, out completelyClipped);
if (completelyClipped)
return null;
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
exportedAsWallWithAxis = true;
exportedBodyDirectly = true;
}
else
{
exportedAsWallWithAxis = false;
exportedBodyDirectly = false;
}
}
if (!exportedAsWallWithAxis)
{
// Fallback - use native routines to try to export wall.
bool isCompletelyClipped;
bodyRep = FallbackTryToCreateAsExtrusion(exporterIFC, wallElement, solidMeshInfo,
catId, curve, plane, depth, zSpan, range, setter,
out cutPairOpenings, out isCompletelyClipped);
if (isCompletelyClipped)
return null;
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
exportedAsWallWithAxis = true;
}
}
using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
{
ElementId matId = ElementId.InvalidElementId;
if (!exportedAsWallWithAxis)
{
SolidMeshGeometryInfo solidMeshCapsule = null;
if (wallElement != null)
{
if (validRange)
{
solidMeshCapsule = GeometryUtil.GetClippedSolidMeshGeometry(geometryElement, range);
}
else
{
solidMeshCapsule = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement);
}
if (solidMeshCapsule.SolidsCount() == 0 && solidMeshCapsule.MeshesCount() == 0)
{
return null;
}
}
else
{
GeometryElement geomElemToUse = GetGeometryFromInplaceWall(famInstWallElem);
if (geomElemToUse != null)
{
exportingInplaceOpenings = true;
}
else
{
exportingInplaceOpenings = false;
geomElemToUse = geometryElement;
}
Transform trf = Transform.Identity;
if (geomElemToUse != geometryElement)
trf = famInstWallElem.GetTransform();
solidMeshCapsule = GeometryUtil.GetSolidMeshGeometry(geomElemToUse, trf);
}
IList<Solid> solids = solidMeshCapsule.GetSolids();
IList<Mesh> meshes = solidMeshCapsule.GetMeshes();
extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ; // only allow vertical extrusions!
extraParams.AreInnerRegionsOpenings = true;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
if ((solids.Count > 0) || (meshes.Count > 0))
{
matId = BodyExporter.GetBestMaterialIdForGeometry(solids, meshes);
bodyRep = BodyExporter.ExportBody(element.Document.Application, exporterIFC, element, catId,
solids, meshes, bodyExporterOptions, extraParams).RepresentationHnd;
}
else
{
IList<GeometryObject> geomElemList = new List<GeometryObject>();
geomElemList.Add(geometryElement);
BodyData bodyData = BodyExporter.ExportBody(element.Document.Application, exporterIFC, element, catId,
geomElemList, bodyExporterOptions, extraParams);
bodyRep = bodyData.RepresentationHnd;
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
extraParams.ClearOpenings();
return null;
}
// We will be able to export as a IfcWallStandardCase as long as we have an axis curve.
XYZ extrDirUsed = XYZ.Zero;
if (extraParams.HasExtrusionDirection)
{
extrDirUsed = extraParams.ExtrusionDirection;
if (MathUtil.IsAlmostEqual(Math.Abs(extrDirUsed[2]), 1.0))
{
if ((solids.Count == 1) && (meshes.Count == 0))
exportedAsWallWithAxis = exportingAxis;
exportedBodyDirectly = true;
}
}
}
IFCAnyHandle prodRep = null;
IList<IFCAnyHandle> representations = new List<IFCAnyHandle>();
if (exportingAxis)
representations.Add(axisRep);
representations.Add(bodyRep);
prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
string objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element);
IFCAnyHandle wallHnd = null;
string elemGUID = (validRange) ? ExporterIFCUtils.CreateGUID() : ExporterIFCUtils.CreateGUID(element);
string elemName = NamingUtil.GetNameOverride(element, exporterIFC.GetName());
string elemDesc = NamingUtil.GetDescriptionOverride(element, null);
string elemObjectType = NamingUtil.GetObjectTypeOverride(element, objectType);
string elemId = NamingUtil.CreateIFCElementId(element);
if (exportedAsWallWithAxis)
{
wallHnd = IFCInstanceExporter.CreateWallStandardCase(file, elemGUID, ownerHistory, elemName, elemDesc, elemObjectType,
localPlacement, exportParts ? null : prodRep, elemId);
if (exportParts)
PartExporter.ExportHostPart(exporterIFC, wallElement, wallHnd, localWrapper, setter, localPlacement, overrideLevelId);
localWrapper.AddElement(wallHnd, setter, extraParams, true);
OpeningUtil.CreateOpeningsIfNecessary(wallHnd, element, cutPairOpenings, exporterIFC, localPlacement, setter, localWrapper);
if (exportedBodyDirectly)
{
OpeningUtil.CreateOpeningsIfNecessary(wallHnd, element, extraParams, exporterIFC, localPlacement, setter, localWrapper);
}
else
{
double scaledWidth = wallElement.Width * scale;
ExporterIFCUtils.AddOpeningsToElement(exporterIFC, wallHnd, wallElement, scaledWidth, range, setter, localPlacement, localWrapper);
}
// export Base Quantities
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities)
{
CreateWallBaseQuantities(exporterIFC, wallElement, wallHnd, depth);
}
}
else
{
wallHnd = IFCInstanceExporter.CreateWall(file, elemGUID, ownerHistory, elemName, elemDesc, elemObjectType,
localPlacement, exportParts ? null : prodRep, elemId);
if (exportParts)
PartExporter.ExportHostPart(exporterIFC, wallElement, wallHnd, localWrapper, setter, localPlacement, overrideLevelId);
localWrapper.AddElement(wallHnd, setter, extraParams, true);
// Only export one material for 2x2; for future versions, export the whole list.
if (exporterIFC.ExportAs2x2 && (matId != ElementId.InvalidElementId) && !exportParts)
{
CategoryUtil.CreateMaterialAssociation(doc, exporterIFC, wallHnd, matId);
}
if (exportingInplaceOpenings)
{
ExporterIFCUtils.AddOpeningsToElement(exporterIFC, wallHnd, famInstWallElem, 0.0, range, setter, localPlacement, localWrapper);
}
if (exportedBodyDirectly)
OpeningUtil.CreateOpeningsIfNecessary(wallHnd, element, extraParams, exporterIFC, localPlacement, setter, localWrapper);
}
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, localWrapper);
ElementId wallLevelId = (validRange) ? setter.LevelId : ElementId.InvalidElementId;
if (wallElement != null && !exportParts)
{
if (!exporterIFC.ExportAs2x2 || exportedAsWallWithAxis) //will move this check into ExportHostObject
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, wallElement, localWrapper.GetAnElement(),
geometryElement, localWrapper, wallLevelId, Toolkit.IFCLayerSetDirection.Axis2);
}
exporterIFC.RegisterSpaceBoundingElementHandle(wallHnd, element.Id, wallLevelId);
return wallHnd;
}
}
}
}
/// <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
{
Transform orientationTrf = Transform.Identity;
IFCAnyHandle localPlacement = null;
setter = IFCPlacementSetter.Create(exporterIFC, element, null, orientationTrf, ExporterUtil.GetBaseLevelIdForElement(element));
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 = ExporterUtil.GetIFCTypeFromExportTable(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(element, 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);
}
ICollection <IFCAnyHandle> relatedElementIds = curtainWallSubWrapper.GetAllObjects();
if (relatedElementIds.Count > 0)
{
string guid = GUIDUtil.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);
ExportCurtainWallType(exporterIFC, wrapper, elemHnd, element);
}
finally
{
if (setter != null)
{
setter.Dispose();
}
}
}
}
/// <summary>
/// Exports materials for host object.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="hostObject">
/// The host object.
/// </param>
/// <param name="elemHnds">
/// The host IFC handles.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="productWrapper">
/// The IFCProductWrapper.
/// </param>
/// <param name="levelId">
/// The level id.
/// </param>
/// <param name="direction">
/// The IFCLayerSetDirection.
/// </param>
/// <returns>
/// True if exported successfully, false otherwise.
/// </returns>
public static bool ExportHostObjectMaterials(ExporterIFC exporterIFC, HostObject hostObject,
IList <IFCAnyHandle> elemHnds, GeometryElement geometryElement, IFCProductWrapper productWrapper,
ElementId levelId, Toolkit.IFCLayerSetDirection direction)
{
if (hostObject == null)
{
return(true); //nothing to do
}
if (elemHnds == null || (elemHnds.Count == 0))
{
return(true); //nothing to do
}
IFCFile file = exporterIFC.GetFile();
// Roofs with no components are only allowed one material. We will arbitrarily choose the thickest material.
IFCAnyHandle primaryMaterialHnd = null;
using (IFCTransaction tr = new IFCTransaction(file))
{
if (productWrapper != null)
{
productWrapper.ClearFinishMaterials();
}
double scale = exporterIFC.LinearScale;
double scaledOffset = 0.0, scaledWallWidth = 0.0, wallHeight = 0.0;
Wall wall = hostObject as Wall;
if (wall != null)
{
scaledWallWidth = wall.Width * scale;
scaledOffset = -scaledWallWidth / 2.0;
BoundingBoxXYZ boundingBox = wall.get_BoundingBox(null);
if (boundingBox != null)
{
wallHeight = boundingBox.Max.Z - boundingBox.Min.Z;
}
}
ElementId typeElemId = hostObject.GetTypeId();
IFCAnyHandle materialLayerSet = ExporterCacheManager.MaterialLayerSetCache.Find(typeElemId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(materialLayerSet))
{
HostObjAttributes hostObjAttr = hostObject.Document.GetElement(typeElemId) as HostObjAttributes;
if (hostObjAttr == null)
{
return(true); //nothing to do
}
List <ElementId> matIds = new List <ElementId>();
List <double> widths = new List <double>();
List <MaterialFunctionAssignment> functions = new List <MaterialFunctionAssignment>();
ElementId baseMatId = CategoryUtil.GetBaseMaterialIdForElement(hostObject);
CompoundStructure cs = hostObjAttr.GetCompoundStructure();
if (cs != null)
{
//TODO: Vertically compound structures are not yet supported by export.
if (!cs.IsVerticallyHomogeneous() && !MathUtil.IsAlmostZero(wallHeight))
{
cs = cs.GetSimpleCompoundStructure(wallHeight, wallHeight / 2.0);
}
for (int i = 0; i < cs.LayerCount; ++i)
{
ElementId matId = cs.GetMaterialId(i);
if (matId != ElementId.InvalidElementId)
{
matIds.Add(matId);
}
else
{
matIds.Add(baseMatId);
}
widths.Add(cs.GetLayerWidth(i));
// save layer function into IFCProductWrapper,
// it's used while exporting "Function" of Pset_CoveringCommon
functions.Add(cs.GetLayerFunction(i));
}
}
if (matIds.Count == 0)
{
matIds.Add(baseMatId);
widths.Add(cs != null ? cs.GetWidth() : 0);
functions.Add(MaterialFunctionAssignment.None);
}
List <IFCAnyHandle> layers = new List <IFCAnyHandle>();
double thickestLayer = 0.0;
for (int i = 0; i < matIds.Count; ++i)
{
if (widths[i] < MathUtil.Eps())
{
continue;
}
IFCAnyHandle materialHnd = CategoryUtil.GetOrCreateMaterialHandle(hostObjAttr.Document, exporterIFC, matIds[i]);
if (primaryMaterialHnd == null || (widths[i] > thickestLayer))
{
primaryMaterialHnd = materialHnd;
thickestLayer = widths[i];
}
double scaledWidth = widths[i] * scale;
IFCAnyHandle materialLayer = IFCInstanceExporter.CreateMaterialLayer(file, materialHnd, scaledWidth, null);
layers.Add(materialLayer);
if ((productWrapper != null) && (functions[i] == MaterialFunctionAssignment.Finish1 || functions[i] == MaterialFunctionAssignment.Finish2))
{
productWrapper.AddFinishMaterial(materialHnd);
}
}
if (layers.Count == 0)
{
return(false);
}
string layerSetName = NamingUtil.CreateIFCFamilyName(exporterIFC, -1);
materialLayerSet = IFCInstanceExporter.CreateMaterialLayerSet(file, layers, layerSetName);
ExporterCacheManager.MaterialLayerSetCache.Register(typeElemId, materialLayerSet);
}
// IfcMaterialLayerSetUsage is not supported for IfcWall, only IfcWallStandardCase.
IFCAnyHandle layerSetUsage = null;
for (int ii = 0; ii < elemHnds.Count; ii++)
{
IFCAnyHandle elemHnd = elemHnds[ii];
if (IFCAnyHandleUtil.IsNullOrHasNoValue(elemHnd))
{
continue;
}
HashSet <IFCAnyHandle> relDecomposesSet = IFCAnyHandleUtil.GetRelDecomposes(elemHnd);
IList <IFCAnyHandle> subElemHnds = new List <IFCAnyHandle>();
if (relDecomposesSet != null && relDecomposesSet.Count == 1)
{
IFCAnyHandle relAggregates = relDecomposesSet.First();
if (IFCAnyHandleUtil.IsTypeOf(relAggregates, IFCEntityType.IfcRelAggregates))
{
IFCData ifcData = relAggregates.GetAttribute("RelatedObjects");
if (ifcData.PrimitiveType == IFCDataPrimitiveType.Aggregate)
{
IFCAggregate aggregate = ifcData.AsAggregate();
if (aggregate != null && aggregate.Count > 0)
{
foreach (IFCData val in aggregate)
{
if (val.PrimitiveType == IFCDataPrimitiveType.Instance)
{
subElemHnds.Add(val.AsInstance());
}
}
}
}
}
}
bool hasSubElems = !(subElemHnds.Count == 0);
bool isRoof = IFCAnyHandleUtil.IsTypeOf(elemHnd, IFCEntityType.IfcRoof);
if (!hasSubElems && !isRoof && !IFCAnyHandleUtil.IsTypeOf(elemHnd, IFCEntityType.IfcWall))
{
if (layerSetUsage == null)
{
bool flipDirSense = true;
if (wall != null)
{
// if we have flipped the center curve on export, we need to take that into account here.
// We flip the center curve on export if it is an arc and it has a negative Z direction.
LocationCurve locCurve = wall.Location as LocationCurve;
if (locCurve != null)
{
Curve curve = locCurve.Curve;
Plane defPlane = new Plane(XYZ.BasisX, XYZ.BasisY, XYZ.Zero);
bool curveFlipped = GeometryUtil.MustFlipCurve(defPlane, curve);
flipDirSense = !(wall.Flipped ^ curveFlipped);
}
}
else if (hostObject is Floor)
{
flipDirSense = false;
}
double offsetFromReferenceLine = flipDirSense ? -scaledOffset : scaledOffset;
IFCDirectionSense sense = flipDirSense ? IFCDirectionSense.Negative : IFCDirectionSense.Positive;
layerSetUsage = IFCInstanceExporter.CreateMaterialLayerSetUsage(file, materialLayerSet, direction, sense, offsetFromReferenceLine);
}
ExporterCacheManager.MaterialLayerRelationsCache.Add(layerSetUsage, elemHnd);
}
else
{
if (hasSubElems)
{
foreach (IFCAnyHandle subElemHnd in subElemHnds)
{
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(subElemHnd))
{
ExporterCacheManager.MaterialLayerRelationsCache.Add(materialLayerSet, subElemHnd);
}
}
}
else if (!isRoof)
{
ExporterCacheManager.MaterialLayerRelationsCache.Add(materialLayerSet, elemHnd);
}
else if (primaryMaterialHnd != null)
{
ExporterCacheManager.MaterialLayerRelationsCache.Add(primaryMaterialHnd, elemHnd);
}
}
exporterIFC.RegisterSpaceBoundingElementHandle(elemHnd, hostObject.Id, levelId);
}
tr.Commit();
return(true);
}
}
/// <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 materials for host object.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="hostObject">
/// The host object.
/// </param>
/// <param name="elemHnds">
/// The host IFC handles.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
/// <param name="levelId">
/// The level id.
/// </param>
/// <param name="direction">
/// The IFCLayerSetDirection.
/// </param>
/// <returns>
/// True if exported successfully, false otherwise.
/// </returns>
public static bool ExportHostObjectMaterials(ExporterIFC exporterIFC, HostObject hostObject,
IList<IFCAnyHandle> elemHnds, GeometryElement geometryElement, ProductWrapper productWrapper,
ElementId levelId, Toolkit.IFCLayerSetDirection direction)
{
if (hostObject == null)
return true; //nothing to do
if (elemHnds == null || (elemHnds.Count == 0))
return true; //nothing to do
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
if (productWrapper != null)
productWrapper.ClearFinishMaterials();
double scale = exporterIFC.LinearScale;
double scaledOffset = 0.0, scaledWallWidth = 0.0, wallHeight = 0.0;
Wall wall = hostObject as Wall;
if (wall != null)
{
scaledWallWidth = wall.Width * scale;
scaledOffset = -scaledWallWidth / 2.0;
BoundingBoxXYZ boundingBox = wall.get_BoundingBox(null);
if (boundingBox != null)
wallHeight = boundingBox.Max.Z - boundingBox.Min.Z;
}
ElementId typeElemId = hostObject.GetTypeId();
IFCAnyHandle materialLayerSet = ExporterCacheManager.MaterialLayerSetCache.Find(typeElemId);
// Roofs with no components are only allowed one material. We will arbitrarily choose the thickest material.
IFCAnyHandle primaryMaterialHnd = ExporterCacheManager.MaterialLayerSetCache.FindPrimaryMaterialHnd(typeElemId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(materialLayerSet))
{
HostObjAttributes hostObjAttr = hostObject.Document.GetElement(typeElemId) as HostObjAttributes;
if (hostObjAttr == null)
return true; //nothing to do
List<ElementId> matIds = new List<ElementId>();
List<double> widths = new List<double>();
List<MaterialFunctionAssignment> functions = new List<MaterialFunctionAssignment>();
ElementId baseMatId = CategoryUtil.GetBaseMaterialIdForElement(hostObject);
CompoundStructure cs = hostObjAttr.GetCompoundStructure();
if (cs != null)
{
//TODO: Vertically compound structures are not yet supported by export.
if (!cs.IsVerticallyHomogeneous() && !MathUtil.IsAlmostZero(wallHeight))
cs = cs.GetSimpleCompoundStructure(wallHeight, wallHeight / 2.0);
for (int i = 0; i < cs.LayerCount; ++i)
{
ElementId matId = cs.GetMaterialId(i);
if (matId != ElementId.InvalidElementId)
{
matIds.Add(matId);
}
else
{
matIds.Add(baseMatId);
}
widths.Add(cs.GetLayerWidth(i));
// save layer function into ProductWrapper,
// it's used while exporting "Function" of Pset_CoveringCommon
functions.Add(cs.GetLayerFunction(i));
}
}
if (matIds.Count == 0)
{
matIds.Add(baseMatId);
widths.Add(cs != null ? cs.GetWidth() : 0);
functions.Add(MaterialFunctionAssignment.None);
}
List<IFCAnyHandle> layers = new List<IFCAnyHandle>();
double thickestLayer = 0.0;
for (int i = 0; i < matIds.Count; ++i)
{
if (widths[i] < MathUtil.Eps())
continue;
IFCAnyHandle materialHnd = CategoryUtil.GetOrCreateMaterialHandle(hostObjAttr.Document, exporterIFC, matIds[i], true);
if (primaryMaterialHnd == null || (widths[i] > thickestLayer))
{
primaryMaterialHnd = materialHnd;
thickestLayer = widths[i];
}
double scaledWidth = widths[i] * scale;
IFCAnyHandle materialLayer = IFCInstanceExporter.CreateMaterialLayer(file, materialHnd, scaledWidth, null);
layers.Add(materialLayer);
if ((productWrapper != null) && (functions[i] == MaterialFunctionAssignment.Finish1 || functions[i] == MaterialFunctionAssignment.Finish2))
{
productWrapper.AddFinishMaterial(materialHnd);
}
}
if (layers.Count == 0)
return false;
string layerSetName = exporterIFC.GetFamilyName();
materialLayerSet = IFCInstanceExporter.CreateMaterialLayerSet(file, layers, layerSetName);
ExporterCacheManager.MaterialLayerSetCache.Register(typeElemId, materialLayerSet);
ExporterCacheManager.MaterialLayerSetCache.RegisterPrimaryMaterialHnd(typeElemId, primaryMaterialHnd);
}
// IfcMaterialLayerSetUsage is not supported for IfcWall, only IfcWallStandardCase.
IFCAnyHandle layerSetUsage = null;
for (int ii = 0; ii < elemHnds.Count; ii++)
{
IFCAnyHandle elemHnd = elemHnds[ii];
if (IFCAnyHandleUtil.IsNullOrHasNoValue(elemHnd))
continue;
HashSet<IFCAnyHandle> relDecomposesSet = IFCAnyHandleUtil.GetRelDecomposes(elemHnd);
IList<IFCAnyHandle> subElemHnds = new List<IFCAnyHandle>();
if (relDecomposesSet != null && relDecomposesSet.Count == 1)
{
IFCAnyHandle relAggregates = relDecomposesSet.First();
if (IFCAnyHandleUtil.IsTypeOf(relAggregates, IFCEntityType.IfcRelAggregates))
{
IFCData ifcData = relAggregates.GetAttribute("RelatedObjects");
if (ifcData.PrimitiveType == IFCDataPrimitiveType.Aggregate)
{
IFCAggregate aggregate = ifcData.AsAggregate();
if (aggregate != null && aggregate.Count > 0)
{
foreach (IFCData val in aggregate)
{
if (val.PrimitiveType == IFCDataPrimitiveType.Instance)
{
subElemHnds.Add(val.AsInstance());
}
}
}
}
}
}
bool hasSubElems = !(subElemHnds.Count == 0);
bool isRoof = IFCAnyHandleUtil.IsTypeOf(elemHnd, IFCEntityType.IfcRoof);
if (!hasSubElems && !isRoof && !IFCAnyHandleUtil.IsTypeOf(elemHnd, IFCEntityType.IfcWall))
{
if (layerSetUsage == null)
{
bool flipDirSense = true;
if (wall != null)
{
// if we have flipped the center curve on export, we need to take that into account here.
// We flip the center curve on export if it is an arc and it has a negative Z direction.
LocationCurve locCurve = wall.Location as LocationCurve;
if (locCurve != null)
{
Curve curve = locCurve.Curve;
Plane defPlane = new Plane(XYZ.BasisX, XYZ.BasisY, XYZ.Zero);
bool curveFlipped = GeometryUtil.MustFlipCurve(defPlane, curve);
flipDirSense = !(wall.Flipped ^ curveFlipped);
}
}
else if (hostObject is Floor)
{
flipDirSense = false;
}
double offsetFromReferenceLine = flipDirSense ? -scaledOffset : scaledOffset;
IFCDirectionSense sense = flipDirSense ? IFCDirectionSense.Negative : IFCDirectionSense.Positive;
layerSetUsage = IFCInstanceExporter.CreateMaterialLayerSetUsage(file, materialLayerSet, direction, sense, offsetFromReferenceLine);
}
ExporterCacheManager.MaterialLayerRelationsCache.Add(layerSetUsage, elemHnd);
}
else
{
if (hasSubElems)
{
foreach (IFCAnyHandle subElemHnd in subElemHnds)
{
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(subElemHnd))
ExporterCacheManager.MaterialLayerRelationsCache.Add(materialLayerSet, subElemHnd);
}
}
else if (!isRoof)
{
ExporterCacheManager.MaterialLayerRelationsCache.Add(materialLayerSet, elemHnd);
}
else if (primaryMaterialHnd != null)
{
ExporterCacheManager.MaterialLayerRelationsCache.Add(primaryMaterialHnd, elemHnd);
}
}
exporterIFC.RegisterSpaceBoundingElementHandle(elemHnd, hostObject.Id, levelId);
}
tr.Commit();
return true;
}
}
/// <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 IFCProductWrapper.
/// </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,
IFCProductWrapper wrapper, ElementId overrideLevelId, UV range)
{
Document doc = familyInstance.Document;
IFCFile file = exporterIFC.GetFile();
FamilySymbol familySymbol = ExporterIFCUtils.GetOriginalSymbol(familyInstance);
if (familySymbol == null)
return;
IFCProductWrapper familyProductWrapper = IFCProductWrapper.Create(wrapper);
double scale = exporterIFC.LinearScale;
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;
IFCLabel objectType = IFCLabel.Create(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>();
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);
IFCTypeInfo typeInfo = new IFCTypeInfo();
XYZ extraOffset = XYZ.Zero;
bool flipped = doorWindowInfo != null ? doorWindowInfo.IsSymbolFlipped : false;
IFCTypeInfo currentTypeInfo = exporterIFC.FindType(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));
// 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 = IFCAnyHandle.Create();
IFCAnyHandle planRepresentation = IFCAnyHandle.Create();
// 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;
if (range != null)
{
results = ExporterIFCUtils.ExportFamilyInstanceAsExtrusion(exporterIFC, familyInstance, useInstanceGeometry, range, overrideLevelId, extraParams);
}
else
{
results = ExporterIFCUtils.ExportFamilyInstanceAsExtrusion(exporterIFC, familyInstance, useInstanceGeometry, overrideLevelId, extraParams);
}
bodyRepresentation = results.GetExtrusionHandle();
extraOffset = results.ExtraOffset;
cutPairOpeningsForColumns = results.GetCutPairOpenings();
if (bodyRepresentation.HasValue)
{
typeInfo.MaterialId = results.MaterialId;
// add in level for real columns, not in-place ones.
Element actualLevel =
(overrideLevelId == ElementId.InvalidElementId) ? familyInstance.Level : doc.get_Element(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;
}
Transform doorWindowTrf = Transform.Identity;
IFCAnyHandle dummyPlacement = IFCAnyHandle.Create();
if (doorWindowInfo != null)
{
doorWindowTrf = ExporterIFCUtils.GetTransformForDoorOrWindow(familyInstance, familySymbol, doorWindowInfo);
}
else
{
dummyPlacement = file.CreateLocalPlacement(IFCAnyHandle.Create(), file.CreateAxis2Placement3D());
extraParams.SetLocalPlacement(dummyPlacement);
}
bool needToCreate2d = (!exporterIFC.ExportAs2x2);
bool needToCreate3d = (!bodyRepresentation.HasValue);
if (needToCreate2d || needToCreate3d)
{
using (IFCTransformSetter trfSetter = IFCTransformSetter.Create())
{
if (doorWindowInfo != null)
{
trfSetter.Initialize(exporterIFC, doorWindowTrf);
}
Options options = new Options();
GeometryElement exportGeometry =
useInstanceGeometry ? familyInstance.get_Geometry(options) : familySymbol.get_Geometry(options);
if (exportGeometry == null)
return;
if (needToCreate3d)
{
IFCSolidMeshGeometryInfo solidMeshInfo;
if (range == null)
solidMeshInfo = ExporterIFCUtils.GetSolidMeshGeometry(exporterIFC, exportGeometry, Transform.Identity);
else
solidMeshInfo = ExporterIFCUtils.GetClippedSolidMeshGeometry(exporterIFC, range, exportGeometry);
IList<Solid> solids = solidMeshInfo.GetSolids();
IList<Mesh> polyMeshes = solidMeshInfo.GetMeshes();
bool tryToExportAsExtrusion = (!exporterIFC.ExportAs2x2 || (exportType == IFCExportType.ExportColumnType));
if (exportType == IFCExportType.ExportColumnType)
{
extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;
}
else
{
extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryXYZ;
}
if (solids.Count > 0 || polyMeshes.Count > 0)
{
bodyRepresentation = BodyExporter.ExportBody(familyInstance.Document.Application, exporterIFC, categoryId, solids, polyMeshes,
tryToExportAsExtrusion, extraParams);
typeInfo.MaterialId = BodyExporter.GetBestMaterialIdForGeometry(solids, polyMeshes);
}
else
{
IList<GeometryObject> exportedGeometries = new List<GeometryObject>();
exportedGeometries.Add(exportGeometry);
bodyRepresentation = BodyExporter.ExportBody(familyInstance.Document.Application, exporterIFC, categoryId, exportedGeometries,
tryToExportAsExtrusion, extraParams);
}
if (!bodyRepresentation.HasValue)
{
extraParams.ClearOpenings();
return;
}
}
// if exporting IFC2x3 (or later), export 2D plan rep of family (if it exists).
if (needToCreate2d)
{
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, planeTrf.Origin, false);
IList<IFCAnyHandle> curves = IFCGeometryInfo.GetCurves();
foreach (IFCAnyHandle curve in curves)
curveSet.Add(curve);
if (curveSet.Count > 0)
{
IFCAnyHandle contextOfItems2d = exporterIFC.Get2DContextHandle();
IFCAnyHandle curveRepresentationItem = file.CreateGeometricSet(curveSet);
HashSet<IFCAnyHandle> bodyItems = new HashSet<IFCAnyHandle>();
bodyItems.Add(curveRepresentationItem);
planRepresentation = RepresentationUtil.CreateGeometricSetRep(exporterIFC, categoryId, "Annotation",
contextOfItems2d, bodyItems);
}
}
}
}
}
if (doorWindowInfo != null)
{
typeInfo.SetStyleTransform(doorWindowTrf.Inverse);
}
else
{
if (!MathUtil.IsAlmostZero(extraOffset.DotProduct(extraOffset)))
{
Transform newTransform = typeInfo.GetStyleTransform();
XYZ newOrig = newTransform.Origin + extraOffset;
newTransform.Origin = newOrig;
typeInfo.SetStyleTransform(newTransform);
}
typeInfo.SetStyleTransform(ExporterIFCUtils.GetUnscaledTransform(exporterIFC, extraParams.GetLocalPlacement()));
}
IFCLabel descriptionOpt = IFCLabel.Create();
IFCLabel applicableOccurrenceOpt = IFCLabel.Create();
IFCAnyHandle origin = file.CreateAxis2Placement3D();
IFCAnyHandle repMap2dHnd = IFCAnyHandle.Create();
IFCAnyHandle repMap3dHnd = file.CreateRepresentationMap(origin, bodyRepresentation);
IList<IFCAnyHandle> repMapList = new List<IFCAnyHandle>();
repMapList.Add(repMap3dHnd);
if (planRepresentation.HasValue)
{
repMap2dHnd = file.CreateRepresentationMap(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>();
IFCLabel guid = IFCLabel.CreateGUID(familySymbol);
IFCLabel symIdAsLabel = 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, descriptionOpt, applicableOccurrenceOpt, propertySets, repMapList, symIdAsLabel, objectType,
familyInstance, familySymbol);
// Cover special cases not covered above.
if (!typeStyle.HasValue)
{
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.
IFCLabel colGUID = IFCLabel.Create();
IFCLabel colElemId = IFCLabel.Create();
if (useInstanceGeometry)
{
colGUID = IFCLabel.CreateGUID();
colElemId = NamingUtil.CreateIFCElementId(familyInstance);
}
else
{
colGUID = guid;
colElemId = NamingUtil.CreateIFCElementId(familySymbol);
}
string columnType = "Column";
typeStyle = file.CreateColumnType(columnType, colGUID, ownerHistory, objectType,
descriptionOpt, applicableOccurrenceOpt, propertySets, repMapList, colElemId,
objectType, familyInstance, familySymbol);
break;
}
case IFCExportType.ExportDoorType:
{
string constructionType = string.Empty;
ParameterUtil.GetStringValueFromElementOrSymbol(familyInstance, "Construction", out constructionType);
IFCAnyHandle doorLining = DoorWindowUtil.CreateDoorLiningProperties(exporterIFC, familyInstance);
if (doorLining.HasValue)
propertySets.Add(doorLining);
IList<IFCAnyHandle> doorPanels = DoorWindowUtil.CreateDoorPanelProperties(exporterIFC, doorWindowInfo,
familyInstance);
propertySets.UnionWith(doorPanels);
IFCLabel doorStyleGUID = IFCLabel.CreateGUID();
IFCLabel doorStyleElemId = NamingUtil.CreateIFCElementId(familyInstance);
typeStyle = file.CreateDoorStyle(doorStyleGUID, ownerHistory, objectType,
descriptionOpt, applicableOccurrenceOpt, propertySets, repMapList, doorStyleElemId,
doorWindowInfo.DoorOperationType, constructionType, paramTakesPrecedence, sizeable);
break;
}
case IFCExportType.ExportSystemFurnitureElementType:
{
IFCLabel furnitureId = NamingUtil.CreateIFCElementId(familyInstance);
typeStyle = file.CreateSystemFurnitureElementType(guid, ownerHistory, objectType,
descriptionOpt, applicableOccurrenceOpt, propertySets, repMapList, furnitureId,
objectType);
break;
}
case IFCExportType.ExportWindowType:
{
IFCWindowStyleOperation operationType = DoorWindowUtil.GetIFCWindowStyleOperation(familySymbol);
string constructionType = DoorWindowUtil.GetIFCWindowStyleConstruction(familyInstance, "");
IFCAnyHandle windowLining = DoorWindowUtil.CreateWindowLiningProperties(exporterIFC, familyInstance, descriptionOpt);
if (windowLining.HasValue)
propertySets.Add(windowLining);
IList<IFCAnyHandle> windowPanels =
DoorWindowUtil.CreateWindowPanelProperties(exporterIFC, familyInstance, descriptionOpt);
propertySets.UnionWith(windowPanels);
IFCLabel windowStyleGUID = IFCLabel.CreateGUID();
IFCLabel windowStyleElemId = NamingUtil.CreateIFCElementId(familyInstance);
typeStyle = file.CreateWindowStyle(windowStyleGUID, ownerHistory, objectType,
descriptionOpt, applicableOccurrenceOpt, propertySets, repMapList, windowStyleElemId,
operationType, constructionType, paramTakesPrecedence, sizeable);
break;
}
case IFCExportType.ExportBuildingElementProxy:
default:
{
typeInfo.Set2DMapHandle(repMap2dHnd);
typeInfo.Set3DMapHandle(repMap3dHnd);
break;
}
}
}
typeInfo.SetStyle(typeStyle);
// Transfer extraParams information for certain types.
if (typeStyle.HasValue)
{
if (((exportType == IFCExportType.ExportColumnType) && trySpecialColumnCreation) ||
(exportType == IFCExportType.ExportMemberType))
{
typeInfo.ScaledArea = extraParams.ScaledArea;
typeInfo.ScaledDepth = extraParams.ScaledLength;
typeInfo.ScaledInnerPerimeter = extraParams.ScaledInnerPerimeter;
typeInfo.ScaledOuterPerimeter = extraParams.ScaledOuterPerimeter;
}
}
}
else if (!creatingType && (trySpecialColumnCreation))
{
// still need to modify instance trf for columns.
trf.Origin += GetLevelOffsetForExtrudedColumns(exporterIFC, familyInstance, overrideLevelId, extraParams);
}
if (found && !typeInfo.GetStyle().HasValue)
{
typeInfo = currentTypeInfo;
}
// we'll pretend we succeeded, but we'll do nothing.
if (!typeInfo.GetStyle().HasValue && !typeInfo.Get2DMapHandle().HasValue && !typeInfo.Get3DMapHandle().HasValue)
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))
exporterIFC.AddType(familySymbol.Id, flipped, typeInfo);
Transform oldTrf = new Transform(trf);
XYZ scaledMapOrigin = XYZ.Zero;
trf = trf.Multiply(typeInfo.GetStyleTransform());
// create instance.
IList<IFCAnyHandle> shapeReps = new List<IFCAnyHandle>();
{
IFCAnyHandle contextOfItems2d = exporterIFC.Get2DContextHandle();
IFCAnyHandle contextOfItems3d = exporterIFC.Get3DContextHandle();
// for proxies, we store the IfcRepresentationMap directly since there is no style.
IList<IFCAnyHandle> repMapList = IFCGeometryUtils.GetRepresentationMaps(typeInfo.GetStyle());
int numReps = repMapList.Count;
IFCAnyHandle repMap2dHnd = typeInfo.Get2DMapHandle();
IFCAnyHandle repMap3dHnd = typeInfo.Get3DMapHandle();
if (!repMap3dHnd.HasValue && (numReps > 0))
repMap3dHnd = repMapList[0];
if (!repMap2dHnd.HasValue && (numReps > 1))
repMap2dHnd = repMapList[1];
if (repMap3dHnd.HasValue)
{
HashSet<IFCAnyHandle> representations = new HashSet<IFCAnyHandle>();
representations.Add(ExporterUtil.CreateDefaultMappedItem(file, repMap3dHnd, scaledMapOrigin));
IFCAnyHandle shapeRep = RepresentationUtil.CreateBodyMappedItemRep(exporterIFC, categoryId, contextOfItems3d, representations);
if (!shapeRep.HasValue)
return;
shapeReps.Add(shapeRep);
}
if (repMap2dHnd.HasValue)
{
HashSet<IFCAnyHandle> representations = new HashSet<IFCAnyHandle>();
representations.Add(ExporterUtil.CreateDefaultMappedItem(file, repMap2dHnd, scaledMapOrigin));
IFCAnyHandle shapeRep = RepresentationUtil.CreatePlanMappedItemRep(exporterIFC, categoryId, contextOfItems2d, representations);
if (!shapeRep.HasValue)
return;
shapeReps.Add(shapeRep);
}
}
IFCLabel noDescriptionOpt = IFCLabel.Create();
IFCLabel noNameOpt = IFCLabel.Create();
IFCAnyHandle rep = file.CreateProductDefinitionShape(noNameOpt, noDescriptionOpt, shapeReps);
IFCAnyHandle instanceHandle = IFCAnyHandle.Create();
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, familyInstance, trf, null, overrideLevelId))
{
IFCLabel instanceGUID = IFCLabel.CreateGUID(familyInstance);
IFCLabel origInstanceName = NamingUtil.CreateIFCName(exporterIFC, -1);
IFCLabel instanceName = NamingUtil.GetNameOverride(familyInstance, origInstanceName);
IFCLabel instanceDescription = NamingUtil.GetDescriptionOverride(familyInstance, noDescriptionOpt);
IFCLabel instanceObjectType = NamingUtil.GetObjectTypeOverride(familyInstance, objectType);
IFCLabel instanceElemId = NamingUtil.CreateIFCElementId(familyInstance);
IFCAnyHandle localPlacement = setter.GetPlacement();
instanceHandle = FamilyExporterUtil.ExportGenericInstance(exportType, exporterIFC, familyInstance,
wrapper, setter, extraParams, instanceGUID, ownerHistory, instanceName, instanceDescription, instanceObjectType,
rep, instanceElemId);
switch (exportType)
{
case IFCExportType.ExportColumnType:
{
IFCAnyHandle placementToUse = localPlacement;
if (!useInstanceGeometry)
{
Transform openingTrf = new Transform(oldTrf);
Transform extraRot = new Transform(oldTrf);
extraRot.Origin = XYZ.Zero;
openingTrf = openingTrf.Multiply(extraRot);
openingTrf = openingTrf.Multiply(typeInfo.GetStyleTransform());
IFCAnyHandle openingRelativePlacement = file.CreateAxis2Placement3D(openingTrf.Origin * scale,
openingTrf.get_Basis(2), openingTrf.get_Basis(0));
IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, localPlacement);
IFCGeometryUtils.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.
ExporterIFCUtils.CreateBeamColumnBaseQuantities(exporterIFC, instanceHandle, familyInstance, typeInfo);
CategoryUtil.CreateMaterialAssociation(doc, exporterIFC, instanceHandle, typeInfo.MaterialId);
ExporterIFCUtils.CreateColumnPropertySet(exporterIFC, familyInstance, extraParams, 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);
IFCMeasureValue height = IFCMeasureValue.Create(doorHeight * scale);
IFCMeasureValue width = IFCMeasureValue.Create(doorWidth * scale);
if (!doorWindowInfo.GetLocalPlacement().HasValue)
doorWindowInfo.SetLocalPlacement(localPlacement);
IFCAnyHandle doorWindowOrigLocalPlacement = doorWindowInfo.GetLocalPlacement();
Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(localPlacement, doorWindowOrigLocalPlacement);
IFCAnyHandle doorWindowRelativePlacement = file.CreateAxis2Placement3D(relTrf);
IFCAnyHandle doorWindowLocalPlacement =
file.CreateLocalPlacement(doorWindowOrigLocalPlacement, doorWindowRelativePlacement);
if (exportType == IFCExportType.ExportDoorType)
instanceHandle = file.CreateDoor(instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, doorWindowLocalPlacement,
rep, instanceElemId, height, width);
else if (exportType == IFCExportType.ExportWindowType)
instanceHandle = file.CreateWindow(instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, doorWindowLocalPlacement,
rep, instanceElemId, height, width);
wrapper.AddElement(instanceHandle, setter, extraParams, true);
exporterIFC.RegisterSpaceBoundingElementHandle(instanceHandle, familyInstance.Id, setter.LevelId);
// only necessary when exporting as possible breps.
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
doorWindowLocalPlacement, setter, wrapper);
if (exporterIFC.ExportBaseQuantities)
ExporterIFCUtils.CreateDoorWindowBaseQuantities(exporterIFC, instanceHandle, (doorHeight * scale), (doorWidth * scale));
if (exportType == IFCExportType.ExportDoorType)
ExporterIFCUtils.CreateDoorPropertySet(exporterIFC, familyInstance, wrapper);
else
ExporterIFCUtils.CreateWindowPropertySet(exporterIFC, familyInstance, wrapper);
break;
}
case IFCExportType.ExportMemberType:
{
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
localPlacement, setter, wrapper);
CategoryUtil.CreateMaterialAssociation(doc, exporterIFC, instanceHandle, typeInfo.MaterialId);
//export Base Quantities.
ExporterIFCUtils.CreateBeamColumnBaseQuantities(exporterIFC, instanceHandle, familyInstance, typeInfo);
// TODO: create PropertySet!
//createMemberPropertySet(exporter, pFamInst, pWrapper, extraParams);
ExporterIFCUtils.CreateGenericElementPropertySet(exporterIFC, familyInstance, wrapper);
break;
}
case IFCExportType.ExportPlateType:
{
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
localPlacement, setter, wrapper);
CategoryUtil.CreateMaterialAssociation(doc, exporterIFC, instanceHandle, typeInfo.MaterialId);
// TODO: create PropertySet!
//createPlatePropertySet(exporter, pFamInst, pWrapper, extraParams);
ExporterIFCUtils.CreateGenericElementPropertySet(exporterIFC, familyInstance, wrapper);
break;
}
case IFCExportType.ExportTransportElementType:
{
string operationTypeOpt = "";
IFCMeasureValue capByWeightOpt = IFCMeasureValue.Create();
IFCMeasureValue capByNumOpt = IFCMeasureValue.Create();
IFCAnyHandle localPlacementToUse;
ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);
instanceHandle = file.CreateTransportElement(instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType,
localPlacementToUse, rep, instanceElemId, operationTypeOpt, capByWeightOpt, capByNumOpt,
familyInstance, familySymbol);
if (roomId == ElementId.InvalidElementId)
{
wrapper.AddElement(instanceHandle, setter, extraParams, true);
}
else
{
exporterIFC.RelateSpatialElement(roomId, instanceHandle);
wrapper.AddElement(instanceHandle, setter, extraParams, false);
}
ExporterIFCUtils.CreateGenericElementPropertySet(exporterIFC, familyInstance, wrapper);
break;
}
case IFCExportType.ExportBuildingElementProxy:
default:
{
bool isBuildingElementProxy = (exportType == IFCExportType.ExportBuildingElementProxy);
if (!isBuildingElementProxy)
{
if (FamilyExporterUtil.IsDistributionControlElementSubType(exportType))
{
IFCLabel controlElementId = IFCLabel.Create();
IFCAnyHandle localPlacementToUse;
ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);
instanceHandle = file.CreateDistributionControlElement(instanceGUID,
ownerHistory, instanceName, instanceDescription, instanceObjectType,
localPlacement, rep, instanceElemId, controlElementId);
if (roomId == ElementId.InvalidElementId)
{
wrapper.AddElement(instanceHandle, setter, extraParams, true);
}
else
{
exporterIFC.RelateSpatialElement(roomId, instanceHandle);
wrapper.AddElement(instanceHandle, setter, extraParams, false);
}
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
localPlacement, setter, wrapper);
}
else if (!instanceHandle.HasValue)
{
isBuildingElementProxy = true;
}
}
if (isBuildingElementProxy)
{
IFCElementComposition proxyType = IFCElementComposition.Element;
IFCAnyHandle localPlacementToUse;
ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);
instanceHandle = file.CreateBuildingElementProxy(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);
}
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
localPlacement, setter, wrapper);
}
ExporterIFCUtils.CreateGenericElementPropertySet(exporterIFC, familyInstance, wrapper);
break;
}
}
if (instanceHandle.HasValue)
{
if (doorWindowInfo != null)
{
if (doorWindowInfo.GetOpening().HasValue)
{
IFCLabel relGUID = IFCLabel.CreateGUID();
file.CreateRelFillsElement(relGUID, ownerHistory, IFCLabel.Create(), IFCLabel.Create(), 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 (typeInfo.GetStyle().HasValue)
exporterIFC.AddTypeRelation(typeInfo.GetStyle(), instanceHandle);
}
}
}
/// <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="hostElement">
/// The host element to be exported.
/// </param>
/// <param name="productWrapper">
/// The IFCProductWrapper.
/// </param>
public static void ExportBase(ExporterIFC exporterIFC, ElementSet allSubElements,
HostObject hostElement, IFCProductWrapper wrapper)
{
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
IFCPlacementSetter setter = null;
IFCProductWrapper curtainWallSubWrapper = null;
try
{
IFCAnyHandle localPlacement = IFCAnyHandle.Create();
bool canExportCurtainWallAsContainer = CanExportCurtainWallAsContainer(allSubElements);
IFCAnyHandle rep = IFCAnyHandle.Create();
if (canExportCurtainWallAsContainer)
{
curtainWallSubWrapper = IFCProductWrapper.Create(exporterIFC, true);
setter = IFCPlacementSetter.Create(exporterIFC, hostElement);
localPlacement = setter.GetPlacement();
rep = ExportCurtainObjectCommonAsOneBRep(allSubElements, hostElement, exporterIFC, setter, localPlacement);
}
else
{
ExportCurtainObjectCommonAsContainer(allSubElements, hostElement, exporterIFC, out curtainWallSubWrapper);
// This has to go LAST. Why? Because otherwise we apply the level transform twice -- once in the familyTrf, once here.
// This will be used just to put the CurtainWall on the right level.
setter = IFCPlacementSetter.Create(exporterIFC, hostElement);
localPlacement = setter.GetPlacement();
}
if (!rep.HasValue)
return;
IFCLabel objectType = NamingUtil.CreateIFCObjectName(exporterIFC, hostElement);
IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData();
extraParams.SetLocalPlacement(localPlacement);
IFCAnyHandle prodRepHnd = IFCAnyHandle.Create();
IFCAnyHandle elemHnd = IFCAnyHandle.Create();
IFCLabel elemGUID = IFCLabel.CreateGUID(hostElement);
IFCLabel elemName = NamingUtil.GetNameOverride(hostElement, exporterIFC.GetNameFromExportState());
IFCLabel elemDesc = NamingUtil.GetDescriptionOverride(hostElement, IFCLabel.Create());
IFCLabel elemType = NamingUtil.GetObjectTypeOverride(hostElement, objectType);
IFCLabel elemId = NamingUtil.CreateIFCElementId(hostElement);
if (hostElement is Wall || hostElement is CurtainSystem)
{
elemHnd = file.CreateCurtainWall(elemGUID, ownerHistory, elemName, elemDesc, elemType, localPlacement, elemId, prodRepHnd);
}
else if (hostElement is RoofBase)
{
string ifcEnumType = CategoryUtil.GetIFCEnumTypeName(exporterIFC, hostElement);
elemHnd = file.CreateRoof(elemGUID, ownerHistory, elemName, elemDesc, elemType, localPlacement, elemId, ifcEnumType, prodRepHnd);
}
else
{
return;
}
if (!elemHnd.HasValue)
return;
wrapper.AddElement(elemHnd, setter, extraParams, true);
OpeningUtil.CreateOpeningsIfNecessary(elemHnd, hostElement, extraParams, exporterIFC, localPlacement, setter, wrapper);
ExporterIFCUtils.CreateCurtainWallPropertySet(exporterIFC, hostElement, wrapper);
ICollection<IFCAnyHandle> relatedElementIds = curtainWallSubWrapper.GetAllObjects();
if (relatedElementIds.Count > 0)
{
IFCLabel guid = IFCLabel.CreateGUID();
IFCLabel nameOpt = IFCLabel.Create();
IFCLabel descOpt = IFCLabel.Create();
file.CreateRelAggregates(guid, ownerHistory, nameOpt, descOpt, elemHnd, relatedElementIds);
}
exporterIFC.RegisterSpaceBoundingElementHandle(elemHnd, hostElement.Id, ElementId.InvalidElementId);
}
finally
{
if (setter != null)
setter.Dispose();
if (curtainWallSubWrapper != null)
curtainWallSubWrapper.Dispose();
}
}
/// <summary>
/// Main implementation to export walls.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="element">
/// The element.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="origWrapper">
/// The ProductWrapper.
/// </param>
/// <param name="overrideLevelId">
/// The level id.
/// </param>
/// <param name="range">
/// The range to be exported for the element.
/// </param>
/// <returns>
/// The exported wall handle.
/// </returns>
public static IFCAnyHandle ExportWallBase(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
ProductWrapper origWrapper, ElementId overrideLevelId, IFCRange range)
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (ProductWrapper localWrapper = ProductWrapper.Create(origWrapper))
{
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
Wall wallElement = element as Wall;
FamilyInstance famInstWallElem = element as FamilyInstance;
FaceWall faceWall = element as FaceWall;
if (wallElement == null && famInstWallElem == null && faceWall == null)
return null;
if (wallElement != null && IsWallCompletelyClipped(wallElement, exporterIFC, range))
return null;
Document doc = element.Document;
double scale = exporterIFC.LinearScale;
double baseWallElevation = 0.0;
ElementId baseLevelId = ExporterUtil.GetBaseLevelIdForElement(element);
if (baseLevelId != ElementId.InvalidElementId)
{
Element baseLevel = doc.GetElement(baseLevelId);
if (baseLevel is Level)
baseWallElevation = (baseLevel as Level).Elevation;
}
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
IFCAnyHandle contextOfItemsAxis = exporterIFC.Get3DContextHandle("Axis");
IFCAnyHandle contextOfItemsBody = exporterIFC.Get3DContextHandle("Body");
IFCRange zSpan = new IFCRange();
double depth = 0.0;
bool validRange = (range != null && !MathUtil.IsAlmostZero(range.Start - range.End));
bool exportParts = PartExporter.CanExportParts(element);
if (exportParts && !PartExporter.CanExportElementInPartExport(element, validRange ? overrideLevelId : element.Level.Id, validRange))
return null;
// get bounding box height so that we can subtract out pieces properly.
// only for Wall, not FamilyInstance.
if (wallElement != null && geometryElement != null)
{
BoundingBoxXYZ boundingBox = element.get_BoundingBox(null);
if (boundingBox == null)
return null;
zSpan = new IFCRange(boundingBox.Min.Z, boundingBox.Max.Z);
// if we have a top clipping plane, modify depth accordingly.
double bottomHeight = validRange ? Math.Max(zSpan.Start, range.Start) : zSpan.Start;
double topHeight = validRange ? Math.Min(zSpan.End, range.End) : zSpan.End;
depth = topHeight - bottomHeight;
if (MathUtil.IsAlmostZero(depth))
return null;
depth *= scale;
}
IFCAnyHandle axisRep = null;
IFCAnyHandle bodyRep = null;
bool exportingAxis = false;
Curve curve = null;
bool exportedAsWallWithAxis = false;
bool exportedBodyDirectly = false;
bool exportingInplaceOpenings = false;
Curve centerCurve = GetWallAxis(wallElement);
XYZ localXDir = new XYZ(1, 0, 0);
XYZ localYDir = new XYZ(0, 1, 0);
XYZ localZDir = new XYZ(0, 0, 1);
XYZ localOrig = new XYZ(0, 0, 0);
double eps = MathUtil.Eps();
if (centerCurve != null)
{
Curve baseCurve = GetWallAxisAtBaseHeight(wallElement);
curve = GetWallTrimmedCurve(wallElement, baseCurve);
IFCRange curveBounds;
XYZ oldOrig;
GeometryUtil.GetAxisAndRangeFromCurve(curve, out curveBounds, out localXDir, out oldOrig);
localOrig = oldOrig;
if (baseCurve != null)
{
if (!validRange || (MathUtil.IsAlmostEqual(range.Start, zSpan.Start)))
{
XYZ newOrig = baseCurve.Evaluate(curveBounds.Start, false);
if (!validRange && (zSpan.Start < newOrig[2] - eps))
localOrig = new XYZ(localOrig.X, localOrig.Y, zSpan.Start);
else
localOrig = new XYZ(localOrig.X, localOrig.Y, newOrig[2]);
}
else
{
localOrig = new XYZ(localOrig.X, localOrig.Y, range.Start);
}
}
double dist = localOrig[2] - oldOrig[2];
if (!MathUtil.IsAlmostZero(dist))
{
XYZ moveVec = new XYZ(0, 0, dist);
curve = GeometryUtil.MoveCurve(curve, moveVec);
}
localYDir = localZDir.CrossProduct(localXDir);
// ensure that X and Z axes are orthogonal.
double xzDot = localZDir.DotProduct(localXDir);
if (!MathUtil.IsAlmostZero(xzDot))
localXDir = localYDir.CrossProduct(localZDir);
}
else
{
BoundingBoxXYZ boundingBox = element.get_BoundingBox(null);
if (boundingBox != null)
{
XYZ bBoxMin = boundingBox.Min;
XYZ bBoxMax = boundingBox.Max;
if (validRange)
localOrig = new XYZ(bBoxMin.X, bBoxMin.Y, range.Start);
else
localOrig = boundingBox.Min;
XYZ localXDirMax = null;
Transform bTrf = boundingBox.Transform;
XYZ localXDirMax1 = new XYZ(bBoxMax.X, localOrig.Y, localOrig.Z);
localXDirMax1 = bTrf.OfPoint(localXDirMax1);
XYZ localXDirMax2 = new XYZ(localOrig.X, bBoxMax.Y, localOrig.Z);
localXDirMax2 = bTrf.OfPoint(localXDirMax2);
if (localXDirMax1.DistanceTo(localOrig) >= localXDirMax2.DistanceTo(localOrig))
localXDirMax = localXDirMax1;
else
localXDirMax = localXDirMax2;
localXDir = localXDirMax.Subtract(localOrig);
localXDir = localXDir.Normalize();
localYDir = localZDir.CrossProduct(localXDir);
// ensure that X and Z axes are orthogonal.
double xzDot = localZDir.DotProduct(localXDir);
if (!MathUtil.IsAlmostZero(xzDot))
localXDir = localYDir.CrossProduct(localZDir);
}
}
Transform orientationTrf = Transform.Identity;
orientationTrf.BasisX = localXDir;
orientationTrf.BasisY = localYDir;
orientationTrf.BasisZ = localZDir;
orientationTrf.Origin = localOrig;
if (overrideLevelId == ElementId.InvalidElementId)
overrideLevelId = ExporterUtil.GetBaseLevelIdForElement(element);
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, orientationTrf, overrideLevelId))
{
IFCAnyHandle localPlacement = setter.GetPlacement();
Plane plane = new Plane(localXDir, localYDir, localOrig); // project curve to XY plane.
XYZ projDir = XYZ.BasisZ;
// two representations: axis, body.
{
if (!exportParts && (centerCurve != null) && (GeometryUtil.CurveIsLineOrArc(centerCurve)))
{
exportingAxis = true;
string identifierOpt = "Axis"; // IFC2x2 convention
string representationTypeOpt = "Curve2D"; // IFC2x2 convention
IFCGeometryInfo info = IFCGeometryInfo.CreateCurveGeometryInfo(exporterIFC, plane, projDir, false);
ExporterIFCUtils.CollectGeometryInfo(exporterIFC, info, curve, XYZ.Zero, true);
IList<IFCAnyHandle> axisItems = info.GetCurves();
if (axisItems.Count == 0)
{
exportingAxis = false;
}
else
{
HashSet<IFCAnyHandle> axisItemSet = new HashSet<IFCAnyHandle>();
foreach (IFCAnyHandle axisItem in axisItems)
axisItemSet.Add(axisItem);
axisRep = RepresentationUtil.CreateShapeRepresentation(exporterIFC, element, catId, contextOfItemsAxis,
identifierOpt, representationTypeOpt, axisItemSet);
}
}
}
IList<IFCExtrusionData> cutPairOpenings = new List<IFCExtrusionData>();
Document document = element.Document;
IList<Solid> solids = new List<Solid>();
IList<Mesh> meshes = new List<Mesh>();
if (!exportParts && wallElement != null && exportingAxis && curve != null)
{
SolidMeshGeometryInfo solidMeshInfo =
(range == null) ? GeometryUtil.GetSplitSolidMeshGeometry(geometryElement) :
GeometryUtil.GetSplitClippedSolidMeshGeometry(geometryElement, range);
solids = solidMeshInfo.GetSolids();
meshes = solidMeshInfo.GetMeshes();
if (solids.Count == 0 && meshes.Count == 0)
return null;
bool useNewCode = false;
if (useNewCode && solids.Count == 1 && meshes.Count == 0)
{
bool completelyClipped;
bodyRep = ExtrusionExporter.CreateExtrusionWithClipping(exporterIFC, wallElement, catId, solids[0],
plane, projDir, range, out completelyClipped);
if (completelyClipped)
return null;
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
exportedAsWallWithAxis = true;
exportedBodyDirectly = true;
}
else
{
exportedAsWallWithAxis = false;
exportedBodyDirectly = false;
}
}
if (!exportedAsWallWithAxis)
{
// Fallback - use native routines to try to export wall.
bool isCompletelyClipped;
bodyRep = FallbackTryToCreateAsExtrusion(exporterIFC, wallElement, solidMeshInfo, baseWallElevation,
catId, curve, plane, depth, zSpan, range, setter,
out cutPairOpenings, out isCompletelyClipped);
if (isCompletelyClipped)
return null;
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
exportedAsWallWithAxis = true;
}
}
using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
{
BodyData bodyData = null;
if (!exportedAsWallWithAxis)
{
SolidMeshGeometryInfo solidMeshCapsule = null;
if (wallElement != null || faceWall != null)
{
if (validRange)
{
solidMeshCapsule = GeometryUtil.GetSplitClippedSolidMeshGeometry(geometryElement, range);
}
else
{
solidMeshCapsule = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement);
}
if (solidMeshCapsule.SolidsCount() == 0 && solidMeshCapsule.MeshesCount() == 0)
{
return null;
}
}
else
{
GeometryElement geomElemToUse = GetGeometryFromInplaceWall(famInstWallElem);
if (geomElemToUse != null)
{
exportingInplaceOpenings = true;
}
else
{
exportingInplaceOpenings = false;
geomElemToUse = geometryElement;
}
Transform trf = Transform.Identity;
if (geomElemToUse != geometryElement)
trf = famInstWallElem.GetTransform();
solidMeshCapsule = GeometryUtil.GetSplitSolidMeshGeometry(geomElemToUse, trf);
}
solids = solidMeshCapsule.GetSolids();
meshes = solidMeshCapsule.GetMeshes();
extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ; // only allow vertical extrusions!
extraParams.AreInnerRegionsOpenings = true;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
// Swept solids are not natively exported as part of CV2.0.
// We have removed the UI toggle for this, so that it is by default false, but keep for possible future use.
if (ExporterCacheManager.ExportOptionsCache.ExportAdvancedSweptSolids)
bodyExporterOptions.TryToExportAsSweptSolid = true;
ElementId overrideMaterialId = ElementId.InvalidElementId;
if (wallElement != null)
overrideMaterialId = HostObjectExporter.GetFirstLayerMaterialId(wallElement);
if (!exportParts)
{
if ((solids.Count > 0) || (meshes.Count > 0))
{
bodyRep = BodyExporter.ExportBody(exporterIFC, element, catId, overrideMaterialId,
solids, meshes, bodyExporterOptions, extraParams).RepresentationHnd;
}
else
{
IList<GeometryObject> geomElemList = new List<GeometryObject>();
geomElemList.Add(geometryElement);
bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, overrideMaterialId,
geomElemList, bodyExporterOptions, extraParams);
bodyRep = bodyData.RepresentationHnd;
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
extraParams.ClearOpenings();
return null;
}
}
// We will be able to export as a IfcWallStandardCase as long as we have an axis curve.
XYZ extrDirUsed = XYZ.Zero;
if (extraParams.HasExtrusionDirection)
{
extrDirUsed = extraParams.ExtrusionDirection;
if (MathUtil.IsAlmostEqual(Math.Abs(extrDirUsed[2]), 1.0))
{
if ((solids.Count == 1) && (meshes.Count == 0))
exportedAsWallWithAxis = exportingAxis;
exportedBodyDirectly = true;
}
}
}
IFCAnyHandle prodRep = null;
if (!exportParts)
{
IList<IFCAnyHandle> representations = new List<IFCAnyHandle>();
if (exportingAxis)
representations.Add(axisRep);
representations.Add(bodyRep);
IFCAnyHandle boundingBoxRep = null;
if ((solids.Count > 0) || (meshes.Count > 0))
boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, solids, meshes, Transform.Identity);
else
boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, Transform.Identity);
if (boundingBoxRep != null)
representations.Add(boundingBoxRep);
prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
}
ElementId matId = ElementId.InvalidElementId;
string objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element);
IFCAnyHandle wallHnd = null;
string elemGUID = (validRange) ? GUIDUtil.CreateGUID() : GUIDUtil.CreateGUID(element);
string elemName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string elemDesc = NamingUtil.GetDescriptionOverride(element, null);
string elemObjectType = NamingUtil.GetObjectTypeOverride(element, objectType);
string elemTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
// For Foundation and Retaining walls, allow exporting as IfcFooting instead.
bool exportAsFooting = false;
string enumTypeValue = null;
if (wallElement != null)
{
WallType wallType = wallElement.WallType;
if (wallType != null)
{
int wallFunction;
if (ParameterUtil.GetIntValueFromElement(wallType, BuiltInParameter.FUNCTION_PARAM, out wallFunction) != null)
{
if (wallFunction == (int)WallFunction.Retaining || wallFunction == (int)WallFunction.Foundation)
{
// In this case, allow potential to export foundation and retaining walls as footing.
IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, wallElement, out enumTypeValue);
if (exportType == IFCExportType.ExportFooting)
exportAsFooting = true;
}
}
}
}
if (exportedAsWallWithAxis)
{
if (exportAsFooting)
{
Toolkit.IFCFootingType footingType = FootingExporter.GetIFCFootingType(element, enumTypeValue);
wallHnd = IFCInstanceExporter.CreateFooting(file, elemGUID, ownerHistory, elemName, elemDesc, elemObjectType,
localPlacement, exportParts ? null : prodRep, elemTag, footingType);
}
else if (exportParts)
{
wallHnd = IFCInstanceExporter.CreateWall(file, elemGUID, ownerHistory, elemName, elemDesc, elemObjectType,
localPlacement, null, elemTag);
}
else
{
wallHnd = IFCInstanceExporter.CreateWallStandardCase(file, elemGUID, ownerHistory, elemName, elemDesc, elemObjectType,
localPlacement, prodRep, elemTag);
}
if (exportParts)
PartExporter.ExportHostPart(exporterIFC, element, wallHnd, localWrapper, setter, localPlacement, overrideLevelId);
localWrapper.AddElement(element, wallHnd, setter, extraParams, true);
if (!exportParts)
{
OpeningUtil.CreateOpeningsIfNecessary(wallHnd, element, cutPairOpenings, null,
exporterIFC, localPlacement, setter, localWrapper);
if (exportedBodyDirectly)
{
Transform offsetTransform = (bodyData != null) ? bodyData.OffsetTransform : Transform.Identity;
OpeningUtil.CreateOpeningsIfNecessary(wallHnd, element, extraParams, offsetTransform,
exporterIFC, localPlacement, setter, localWrapper);
}
else
{
ICollection<IFCAnyHandle> beforeOpenings = localWrapper.GetAllObjects();
double scaledWidth = wallElement.Width * scale;
ExporterIFCUtils.AddOpeningsToElement(exporterIFC, wallHnd, wallElement, scaledWidth, range, setter, localPlacement, localWrapper.ToNative());
ICollection<IFCAnyHandle> afterOpenings = localWrapper.GetAllObjects();
if (beforeOpenings.Count != afterOpenings.Count)
{
foreach (IFCAnyHandle before in beforeOpenings)
afterOpenings.Remove(before);
foreach (IFCAnyHandle potentiallyBadOpening in afterOpenings)
{
PotentiallyCorrectOpeningOrientationAndOpeningType(potentiallyBadOpening, localPlacement, scaledWidth);
}
}
}
}
// export Base Quantities
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities)
{
CreateWallBaseQuantities(exporterIFC, wallElement, wallHnd, depth);
}
}
else
{
if (exportAsFooting)
{
Toolkit.IFCFootingType footingType = FootingExporter.GetIFCFootingType(element, enumTypeValue);
wallHnd = IFCInstanceExporter.CreateFooting(file, elemGUID, ownerHistory, elemName, elemDesc, elemObjectType,
localPlacement, exportParts ? null : prodRep, elemTag, footingType);
}
else
{
wallHnd = IFCInstanceExporter.CreateWall(file, elemGUID, ownerHistory, elemName, elemDesc, elemObjectType,
localPlacement, exportParts ? null : prodRep, elemTag);
}
if (exportParts)
PartExporter.ExportHostPart(exporterIFC, element, wallHnd, localWrapper, setter, localPlacement, overrideLevelId);
localWrapper.AddElement(element, wallHnd, setter, extraParams, true);
if (!exportParts)
{
// Only export one material for 2x2; for future versions, export the whole list.
if (exporterIFC.ExportAs2x2 || famInstWallElem != null)
{
matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(solids, meshes, element);
if (matId != ElementId.InvalidElementId)
CategoryUtil.CreateMaterialAssociation(exporterIFC, wallHnd, matId);
}
if (exportingInplaceOpenings)
{
ExporterIFCUtils.AddOpeningsToElement(exporterIFC, wallHnd, famInstWallElem, 0.0, range, setter, localPlacement, localWrapper.ToNative());
}
if (exportedBodyDirectly)
{
Transform offsetTransform = (bodyData != null) ? bodyData.OffsetTransform : Transform.Identity;
OpeningUtil.CreateOpeningsIfNecessary(wallHnd, element, extraParams, offsetTransform,
exporterIFC, localPlacement, setter, localWrapper);
}
}
}
ElementId wallLevelId = (validRange) ? setter.LevelId : ElementId.InvalidElementId;
if ((wallElement != null || faceWall != null) && !exportParts)
{
HostObject hostObject = null;
if (wallElement != null)
hostObject = wallElement;
else
hostObject = faceWall;
if (!exporterIFC.ExportAs2x2 || exportedAsWallWithAxis)
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, hostObject, localWrapper.GetAnElement(),
geometryElement, localWrapper, wallLevelId, Toolkit.IFCLayerSetDirection.Axis2, !exportedAsWallWithAxis);
}
ExportWallType(exporterIFC, localWrapper, wallHnd, element, matId, exportedAsWallWithAxis, exportAsFooting);
exporterIFC.RegisterSpaceBoundingElementHandle(wallHnd, element.Id, wallLevelId);
tr.Commit();
return wallHnd;
}
}
}
}
}
/// <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();
// The "originalFamilySymbol" has the right geometry, but should be used as little as possible.
FamilySymbol originalFamilySymbol = ExporterIFCUtils.GetOriginalSymbol(familyInstance);
FamilySymbol familySymbol = familyInstance.Symbol;
if (originalFamilySymbol == null || familySymbol == null)
return;
ProductWrapper familyProductWrapper = ProductWrapper.Create(wrapper);
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 revitObjectType = familyName;
// A Family Instance can have its own copy of geometry, or use the symbol's copy with a transform.
// The routine below tells us whether to use the Instance's copy or the Symbol's copy.
bool useInstanceGeometry = ExporterIFCUtils.UsesInstanceGeometry(familyInstance);
Transform trf = familyInstance.GetTransform();
using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
{
bool exportingDoor = (exportType == IFCExportType.ExportDoorType);
bool exportingWindow = (exportType == IFCExportType.ExportWindowType);
bool exportingHostParts = PartExporter.CanExportParts(hostElement);
HostObject hostElementForDoorWindow = exportingHostParts ? null : hostElement;
// Extra information if we are exporting a door or a window.
IFCDoorWindowInfo doorWindowInfo = null;
if (exportingDoor)
doorWindowInfo = IFCDoorWindowInfo.CreateDoorInfo(exporterIFC, familyInstance, originalFamilySymbol, hostElementForDoorWindow, overrideLevelId, trf);
else if (exportingWindow)
doorWindowInfo = IFCDoorWindowInfo.CreateWindowInfo(exporterIFC, familyInstance, originalFamilySymbol, hostElementForDoorWindow, overrideLevelId, trf);
bool ignoreDoorWindowOpening = ((exportingDoor || exportingWindow) && exportingHostParts);
FamilyTypeInfo typeInfo = new FamilyTypeInfo();
bool flipped = doorWindowInfo != null ? doorWindowInfo.IsSymbolFlipped : false;
FamilyTypeInfo currentTypeInfo = ExporterCacheManager.TypeObjectsCache.Find(originalFamilySymbol.Id, flipped);
bool found = currentTypeInfo.IsValid();
Family family = familySymbol.Family;
IList<GeometryObject> geomObjects = new List<GeometryObject>();
Transform offsetTransform = null;
Transform doorWindowTrf = Transform.Identity;
// We will create a new mapped type if:
// 1. We are exporting part of a column or in-place wall (range != null), OR
// 2. We are using the instance's copy of the geometry (that it, it has unique geometry), OR
// 3. We haven't already created the type.
bool creatingType = ((range != null) || useInstanceGeometry || !found);
if (creatingType)
{
IFCAnyHandle bodyRepresentation = null;
IFCAnyHandle planRepresentation = null;
IFCAnyHandle dummyPlacement = null;
if (doorWindowInfo != null)
{
doorWindowTrf = ExporterIFCUtils.GetTransformForDoorOrWindow(familyInstance, originalFamilySymbol, doorWindowInfo);
}
else
{
dummyPlacement = IFCInstanceExporter.CreateLocalPlacement(file, null, ExporterUtil.CreateAxis2Placement3D(file));
extraParams.SetLocalPlacement(dummyPlacement);
}
bool needToCreate2d = ExporterCacheManager.ExportOptionsCache.ExportAnnotations;
GeometryElement exportGeometry =
useInstanceGeometry ? familyInstance.get_Geometry(options) : originalFamilySymbol.get_Geometry(options);
if (!exportParts)
{
using (IFCTransformSetter trfSetter = IFCTransformSetter.Create())
{
if (doorWindowInfo != null)
{
trfSetter.Initialize(exporterIFC, doorWindowTrf);
}
if (exportGeometry == null)
return;
SolidMeshGeometryInfo solidMeshCapsule = null;
if (range == null)
{
solidMeshCapsule = GeometryUtil.GetSplitSolidMeshGeometry(exportGeometry);
}
else
{
solidMeshCapsule = GeometryUtil.GetSplitClippedSolidMeshGeometry(exportGeometry, range);
}
IList<Solid> solids = solidMeshCapsule.GetSolids();
IList<Mesh> polyMeshes = solidMeshCapsule.GetMeshes();
// If we are exporting parts, it is OK to have no geometry here - it will be added by the host Part.
bool hasSolidsOrMeshesInSymbol = (solids.Count > 0 || polyMeshes.Count > 0);
if (range != null && !hasSolidsOrMeshesInSymbol)
return; // no proper split geometry to export.
if (hasSolidsOrMeshesInSymbol)
{
geomObjects = FamilyExporterUtil.RemoveSolidsAndMeshesSetToDontExport(doc, exporterIFC, solids, polyMeshes);
if ((geomObjects.Count == 0))
return; // no proper visible split geometry to export.
}
else
geomObjects.Add(exportGeometry);
bool tryToExportAsExtrusion = (!ExporterCacheManager.ExportOptionsCache.ExportAs2x2 || (exportType == IFCExportType.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);
bodyData = BodyExporter.ExportBody(exporterIFC, familyInstance, categoryId, ElementId.InvalidElementId,
geomObjects, bodyExporterOptions, extraParams);
typeInfo.MaterialIds = bodyData.MaterialIds;
bodyRepresentation = bodyData.RepresentationHnd;
offsetTransform = bodyData.OffsetTransform;
}
// We will allow a door or window to be exported without any geometry, or an element with parts.
// Anything else doesn't really make sense.
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepresentation) && (doorWindowInfo == null))
{
extraParams.ClearOpenings();
return;
}
}
// By default: if exporting IFC2x3 or later, export 2D plan rep of family, if it exists, unless we are exporting Coordination View V2.
// This default can be overridden in the export options.
if (needToCreate2d)
{
XYZ curveOffset = new XYZ(0, 0, 0);
if (offsetTransform != null)
curveOffset = -offsetTransform.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, "FootPrint",
contextOfItems2d, bodyItems);
}
}
}
}
if (doorWindowInfo != null)
typeInfo.StyleTransform = doorWindowTrf.Inverse;
else
typeInfo.StyleTransform = ExporterIFCUtils.GetUnscaledTransform(exporterIFC, extraParams.GetLocalPlacement());
// for many
HashSet<IFCAnyHandle> propertySets = null;
IFCAnyHandle typeStyle = CreateFamilyTypeHandle(exporterIFC, typeInfo, doorWindowInfo, bodyRepresentation, planRepresentation,
familyInstance, familySymbol, originalFamilySymbol, useInstanceGeometry, exportParts,
exportType, revitObjectType, ifcEnumType, out propertySets);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeStyle))
{
wrapper.RegisterHandleWithElementType(familySymbol, typeStyle, propertySets);
CategoryUtil.CreateMaterialAssociations(exporterIFC, typeStyle, typeInfo.MaterialIds);
typeInfo.Style = typeStyle;
if ((exportType == IFCExportType.ExportColumnType) || (exportType == IFCExportType.ExportMemberType))
{
typeInfo.ScaledArea = extraParams.ScaledArea;
typeInfo.ScaledDepth = extraParams.ScaledLength;
typeInfo.ScaledInnerPerimeter = extraParams.ScaledInnerPerimeter;
typeInfo.ScaledOuterPerimeter = extraParams.ScaledOuterPerimeter;
}
ClassificationUtil.CreateClassification(exporterIFC, file, familySymbol, typeStyle); // Create other generic classification from ClassificationCode(s)
ClassificationUtil.CreateUniformatClassification(exporterIFC, file, originalFamilySymbol, typeStyle);
}
}
if (found && !typeInfo.IsValid())
typeInfo = currentTypeInfo;
// we'll pretend we succeeded, but we'll do nothing.
if (!typeInfo.IsValid())
return;
// add to the map, as long as we are not using range, not using instance geometry, and don't have extra openings.
if ((range == null) && !useInstanceGeometry && (extraParams.GetOpenings().Count == 0))
ExporterCacheManager.TypeObjectsCache.Register(originalFamilySymbol.Id, flipped, typeInfo);
// If we are using the instance geometry, ignore the transformation.
if (useInstanceGeometry)
trf = Transform.Identity;
if ((range != null) && exportParts)
{
XYZ rangeOffset = trf.Origin;
rangeOffset += new XYZ(0, 0, range.Start);
trf.Origin = rangeOffset;
}
Transform originalTrf = new Transform(trf);
XYZ scaledMapOrigin = XYZ.Zero;
trf = trf.Multiply(typeInfo.StyleTransform);
// create instance.
IList<IFCAnyHandle> shapeReps = new List<IFCAnyHandle>();
{
IFCAnyHandle contextOfItems2d = exporterIFC.Get2DContextHandle();
IFCAnyHandle contextOfItems3d = exporterIFC.Get3DContextHandle("Body");
// for proxies, we store the IfcRepresentationMap directly since there is no style.
IFCAnyHandle style = typeInfo.Style;
IList<IFCAnyHandle> repMapList = !IFCAnyHandleUtil.IsNullOrHasNoValue(style) ?
GeometryUtil.GetRepresentationMaps(style) : null;
int numReps = repMapList != null ? repMapList.Count : 0;
IFCAnyHandle repMap2dHnd = typeInfo.Map2DHandle;
IFCAnyHandle repMap3dHnd = typeInfo.Map3DHandle;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(repMap3dHnd) && (numReps > 0))
repMap3dHnd = repMapList[0];
if (IFCAnyHandleUtil.IsNullOrHasNoValue(repMap2dHnd) && (numReps > 1))
repMap2dHnd = repMapList[1];
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repMap3dHnd))
{
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 = (offsetTransform != null) ? offsetTransform.Inverse : Transform.Identity;
if (geomObjects.Count > 0)
boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomObjects, boundingBoxTrf);
else
{
boundingBoxTrf = boundingBoxTrf.Multiply(trf.Inverse);
boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, familyInstance.get_Geometry(options), boundingBoxTrf);
}
if (boundingBoxRep != null)
shapeReps.Add(boundingBoxRep);
IFCAnyHandle repHnd = (shapeReps.Count > 0) ? IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps) : null;
// We won't create the instance if:
// (1) we are exporting to CV2.0, (2) we have no 2D, 3D, or bounding box geometry, and (3) we aren't exporting parts.
if (!(repHnd == null && ExporterCacheManager.ExportOptionsCache.ExportAs2x3CoordinationView2 && !exportParts))
{
IFCAnyHandle instanceHandle = null;
if (overrideLevelId == ElementId.InvalidElementId)
overrideLevelId = ExporterUtil.GetBaseLevelIdForElement(familyInstance);
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, familyInstance, trf, null, overrideLevelId))
{
string instanceGUID = GUIDUtil.CreateGUID(familyInstance);
string instanceName = NamingUtil.GetNameOverride(familyInstance, NamingUtil.GetIFCName(familyInstance));
string instanceDescription = NamingUtil.GetDescriptionOverride(familyInstance, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(familyInstance, revitObjectType);
string instanceTag = NamingUtil.GetTagOverride(familyInstance, NamingUtil.CreateIFCElementId(familyInstance));
bool isChildInContainer = familyInstance.AssemblyInstanceId != ElementId.InvalidElementId;
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 : repHnd, instanceTag, overrideLocalPlacement);
if (exportParts)
PartExporter.ExportHostPart(exporterIFC, familyInstance, instanceHandle, familyProductWrapper, setter, setter.GetPlacement(), overrideLevelId);
if (ElementFilteringUtil.IsMEPType(exportType) || ElementFilteringUtil.ProxyForMEPType(familyInstance, exportType))
{
ExporterCacheManager.MEPCache.Register(familyInstance, instanceHandle);
// For ducts and pipes, check later if there is an associated duct or pipe.
if (exportType == IFCExportType.ExportDuctFittingType || exportType == IFCExportType.ExportPipeFittingType ||
exportType == IFCExportType.ExportDuctSegmentType || exportType == IFCExportType.ExportPipeSegmentType)
ExporterCacheManager.MEPCache.CoveredElementsCache.Add(familyInstance.Id);
}
switch (exportType)
{
case IFCExportType.ExportColumnType:
{
IFCAnyHandle placementToUse = localPlacement;
if (!useInstanceGeometry)
{
bool needToCreateOpenings = OpeningUtil.NeedToCreateOpenings(instanceHandle, extraParams);
if (needToCreateOpenings)
{
Transform openingTrf = new Transform(originalTrf);
Transform extraRot = new Transform(originalTrf);
extraRot.Origin = XYZ.Zero;
openingTrf = openingTrf.Multiply(extraRot);
openingTrf = openingTrf.Multiply(typeInfo.StyleTransform);
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, offsetTransform,
exporterIFC, placementToUse, setter, wrapper);
//export Base Quantities.
PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, instanceHandle, familyInstance, typeInfo);
break;
}
case IFCExportType.ExportDoorType:
case IFCExportType.ExportWindowType:
{
double doorHeight = doorWindowInfo.OpeningHeight;
if (doorHeight < MathUtil.Eps())
doorHeight = GetMinSymbolHeight(originalFamilySymbol) * scale;
else
{
// The native OpeningHeight code is not reliable if the opening has an arc in the boundary. Potentially fix this case.
doorHeight = PotentiallyCorrectDoorHeight(doorWindowInfo.GetOpening(), doorHeight * scale);
}
double doorWidth = doorWindowInfo.OpeningWidth;
if (doorWidth < MathUtil.Eps())
doorWidth = GetMinSymbolWidth(originalFamilySymbol);
double height = doorHeight; // Already scaled.
double width = doorWidth * scale;
IFCAnyHandle doorWindowLocalPlacement = null;
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(overrideLocalPlacement))
doorWindowLocalPlacement = overrideLocalPlacement;
else
{
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);
doorWindowLocalPlacement = IFCInstanceExporter.CreateLocalPlacement(file, doorWindowOrigLocalPlacement, doorWindowRelativePlacement);
}
if (exportType == IFCExportType.ExportDoorType)
instanceHandle = IFCInstanceExporter.CreateDoor(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, doorWindowLocalPlacement,
repHnd, instanceTag, height, width);
else if (exportType == IFCExportType.ExportWindowType)
instanceHandle = IFCInstanceExporter.CreateWindow(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, doorWindowLocalPlacement,
repHnd, instanceTag, height, width);
wrapper.AddElement(familyInstance, 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;
}
}
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, offsetTransform,
exporterIFC, placementToUse, setter, wrapper);
break;
}
case IFCExportType.ExportMemberType:
{
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, offsetTransform,
exporterIFC, localPlacement, setter, wrapper);
//export Base Quantities.
PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, instanceHandle, familyInstance, typeInfo);
break;
}
case IFCExportType.ExportPlateType:
{
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, offsetTransform,
exporterIFC, localPlacement, setter, wrapper);
break;
}
case IFCExportType.ExportTransportElementType:
{
IFCAnyHandle localPlacementToUse;
ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);
IFCTransportElementType operationType = FamilyExporterUtil.GetTransportElementType(familyInstance);
double capacityByWeight = 0.0;
ParameterUtil.GetDoubleValueFromElementOrSymbol(familyInstance, "IfcCapacityByWeight", out capacityByWeight);
double capacityByNumber = 0.0;
ParameterUtil.GetDoubleValueFromElementOrSymbol(familyInstance, "IfcCapacityByNumber", out capacityByNumber);
instanceHandle = IFCInstanceExporter.CreateTransportElement(file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType,
localPlacementToUse, repHnd, instanceTag, operationType, capacityByWeight, capacityByNumber);
bool containedInSpace = (roomId != ElementId.InvalidElementId);
wrapper.AddElement(familyInstance, instanceHandle, setter, extraParams, !containedInSpace);
if (containedInSpace)
exporterIFC.RelateSpatialElement(roomId, instanceHandle);
break;
}
//case IFCExportType.ExportBuildingElementProxy:
//case IFCExportType.ExportBuildingElementProxyType:
default:
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
bool isBuildingElementProxy =
((exportType == IFCExportType.ExportBuildingElementProxy) ||
(exportType == IFCExportType.ExportBuildingElementProxyType));
IFCAnyHandle localPlacementToUse = null;
ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);
if (!isBuildingElementProxy && FamilyExporterUtil.IsDistributionControlElementSubType(exportType))
{
string ifcelementType = null;
ParameterUtil.GetStringValueFromElement(familyInstance.Id, "IfcElementType", out ifcelementType);
instanceHandle = IFCInstanceExporter.CreateDistributionControlElement(file, instanceGUID,
ownerHistory, instanceName, instanceDescription, instanceObjectType,
localPlacementToUse, repHnd, instanceTag, ifcelementType);
}
else
{
instanceHandle = IFCInstanceExporter.CreateBuildingElementProxy(file, instanceGUID,
ownerHistory, instanceName, instanceDescription, instanceObjectType,
localPlacementToUse, repHnd, instanceTag, null);
}
bool containedInSpace = (roomId != ElementId.InvalidElementId);
bool associateToLevel = containedInSpace ? false : !isChildInContainer;
wrapper.AddElement(familyInstance, instanceHandle, setter, extraParams, associateToLevel);
if (containedInSpace)
exporterIFC.RelateSpatialElement(roomId, instanceHandle);
}
IFCAnyHandle placementToUse = localPlacement;
if (!useInstanceGeometry)
{
bool needToCreateOpenings = OpeningUtil.NeedToCreateOpenings(instanceHandle, extraParams);
if (needToCreateOpenings)
{
Transform openingTrf = new Transform(originalTrf);
Transform extraRot = new Transform(originalTrf);
extraRot.Origin = XYZ.Zero;
openingTrf = openingTrf.Multiply(extraRot);
openingTrf = openingTrf.Multiply(typeInfo.StyleTransform);
XYZ scaledOrigin = openingTrf.Origin * scale;
IFCAnyHandle openingRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, scaledOrigin,
openingTrf.get_Basis(2), openingTrf.get_Basis(0));
IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, localPlacement);
GeometryUtil.SetRelativePlacement(openingPlacement, openingRelativePlacement);
placementToUse = openingPlacement;
}
}
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, offsetTransform,
exporterIFC, placementToUse, setter, wrapper);
break;
}
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
ExporterCacheManager.HandleToElementCache.Register(instanceHandle, familyInstance.Id);
if (doorWindowInfo != null)
{
if (!ignoreDoorWindowOpening)
{
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(exporterIFC, instanceHandle, typeInfo.MaterialIds);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeInfo.Style))
ExporterCacheManager.TypeRelationsCache.Add(typeInfo.Style, instanceHandle);
}
}
}
}
}
/// <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 IFCProductWrapper.
/// </param>
public static void ExportBase(ExporterIFC exporterIFC, ICollection <ElementId> allSubElements,
Element element, IFCProductWrapper wrapper)
{
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
IFCPlacementSetter setter = null;
using (IFCProductWrapper curtainWallSubWrapper = IFCProductWrapper.Create(wrapper, false))
{
try
{
IFCAnyHandle localPlacement = null;
bool canExportCurtainWallAsContainer = CanExportCurtainWallAsContainer(allSubElements, element.Document);
IFCAnyHandle rep = null;
if (!canExportCurtainWallAsContainer)
{
setter = IFCPlacementSetter.Create(exporterIFC, element);
localPlacement = setter.GetPlacement();
rep = ExportCurtainObjectCommonAsOneBRep(allSubElements, element, exporterIFC, setter, localPlacement);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(rep))
{
return;
}
}
else
{
ExportCurtainObjectCommonAsContainer(allSubElements, element, exporterIFC, curtainWallSubWrapper);
// This has to go LAST. Why? Because otherwise we apply the level transform twice -- once in the familyTrf, once here.
// This will be used just to put the CurtainWall on the right level.
setter = IFCPlacementSetter.Create(exporterIFC, element);
localPlacement = setter.GetPlacement();
}
string objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element);
{
IFCAnyHandle prodRepHnd = null;
IFCAnyHandle elemHnd = null;
string elemGUID = ExporterIFCUtils.CreateGUID(element);
string elemName = NamingUtil.GetNameOverride(element, exporterIFC.GetName());
string elemDesc = NamingUtil.GetDescriptionOverride(element, null);
string elemType = NamingUtil.GetObjectTypeOverride(element, objectType);
string elemId = NamingUtil.CreateIFCElementId(element);
if (element is Wall || element is CurtainSystem || IsLegacyCurtainElement(element))
{
elemHnd = IFCInstanceExporter.CreateCurtainWall(file, elemGUID, ownerHistory, elemName, elemDesc, elemType, localPlacement, prodRepHnd, elemId);
}
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, elemId, RoofExporter.GetIFCRoofType(ifcEnumType));
}
else
{
return;
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(elemHnd))
{
return;
}
wrapper.AddElement(elemHnd, setter, null, true);
ExporterIFCUtils.CreateCurtainWallPropertySet(exporterIFC, element, wrapper);
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>
/// 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 IFCProductWrapper.
/// </param>
public static void ExportBase(ExporterIFC exporterIFC, ICollection<ElementId> allSubElements,
Element element, IFCProductWrapper wrapper)
{
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
IFCPlacementSetter setter = null;
using (IFCProductWrapper curtainWallSubWrapper = IFCProductWrapper.Create(wrapper, false))
{
try
{
IFCAnyHandle localPlacement = null;
bool canExportCurtainWallAsContainer = CanExportCurtainWallAsContainer(allSubElements, element.Document);
IFCAnyHandle rep = null;
if (!canExportCurtainWallAsContainer)
{
setter = IFCPlacementSetter.Create(exporterIFC, element);
localPlacement = setter.GetPlacement();
rep = ExportCurtainObjectCommonAsOneBRep(allSubElements, element, exporterIFC, setter, localPlacement);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(rep))
return;
}
else
{
ExportCurtainObjectCommonAsContainer(allSubElements, element, exporterIFC, curtainWallSubWrapper);
// This has to go LAST. Why? Because otherwise we apply the level transform twice -- once in the familyTrf, once here.
// This will be used just to put the CurtainWall on the right level.
setter = IFCPlacementSetter.Create(exporterIFC, element);
localPlacement = setter.GetPlacement();
}
string objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element);
{
IFCAnyHandle prodRepHnd = null;
IFCAnyHandle elemHnd = null;
string elemGUID = ExporterIFCUtils.CreateGUID(element);
string elemName = NamingUtil.GetNameOverride(element, exporterIFC.GetName());
string elemDesc = NamingUtil.GetDescriptionOverride(element, null);
string elemType = NamingUtil.GetObjectTypeOverride(element, objectType);
string elemId = NamingUtil.CreateIFCElementId(element);
if (element is Wall || element is CurtainSystem || IsLegacyCurtainElement(element))
{
elemHnd = IFCInstanceExporter.CreateCurtainWall(file, elemGUID, ownerHistory, elemName, elemDesc, elemType, localPlacement, prodRepHnd, elemId);
}
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, elemId, RoofExporter.GetIFCRoofType(ifcEnumType));
}
else
{
return;
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(elemHnd))
return;
wrapper.AddElement(elemHnd, setter, null, true);
ExporterIFCUtils.CreateCurtainWallPropertySet(exporterIFC, element, wrapper);
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>
/// Main implementation to export walls.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="element">
/// The element.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="productWrapper">
/// The IFCProductWrapper.
/// </param>
/// <param name="overrideLevelId">
/// The level id.
/// </param>
/// <param name="range">
/// The range to be exported for the element.
/// </param>
/// <returns>
/// The exported wall handle.
/// </returns>
public static IFCAnyHandle ExportWallBase(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
IFCProductWrapper productWrapper, ElementId overrideLevelId, UV range)
{
using (IFCProductWrapper localWrapper = IFCProductWrapper.Create(productWrapper))
{
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
Wall wallElement = element as Wall;
FamilyInstance famInstWallElem = element as FamilyInstance;
if (wallElement == null && famInstWallElem == null)
return IFCAnyHandle.Create();
if (wallElement != null && IsWallCompletelyClipped(wallElement, exporterIFC, range))
return IFCAnyHandle.Create();
// get global values.
Document doc = element.Document;
double scale = exporterIFC.LinearScale;
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
IFCAnyHandle contextOfItems = exporterIFC.Get3DContextHandle();
UV zSpan = UV.Zero;
double depth = 0.0;
bool validRange = (!MathUtil.IsAlmostZero(range.V - range.U));
// get bounding box height so that we can subtract out pieces properly.
// only for Wall, not FamilyInstance.
if (wallElement != null && geometryElement != null)
{
BoundingBoxXYZ boundingBox = element.get_BoundingBox(null);
zSpan = new UV(boundingBox.Min.Z, boundingBox.Max.Z);
// if we have a top clipping plane, modify depth accordingly.
double bottomHeight = validRange ? Math.Max(zSpan[0], range[0]) : zSpan[0];
double topHeight = validRange ? Math.Min(zSpan[1], range[1]) : zSpan[1];
depth = topHeight - bottomHeight;
if (MathUtil.IsAlmostZero(depth))
return IFCAnyHandle.Create();
depth *= scale;
}
IFCAnyHandle axisRep = IFCAnyHandle.Create();
IFCAnyHandle bodyRep = IFCAnyHandle.Create();
bool exportingAxis = false;
Curve curve = null;
bool exportedAsWallWithAxis = false;
bool exportedBodyDirectly = false;
bool exportingInplaceOpenings = false;
Curve centerCurve = GetWallAxis(wallElement);
XYZ localXDir = new XYZ(1, 0, 0);
XYZ localYDir = new XYZ(0, 1, 0);
XYZ localZDir = new XYZ(0, 0, 1);
XYZ localOrig = new XYZ(0, 0, 0);
double eps = MathUtil.Eps();
if (centerCurve != null)
{
Curve baseCurve = GetWallAxisAtBaseHeight(wallElement);
curve = GetWallTrimmedCurve(wallElement, baseCurve);
UV curveBounds;
XYZ oldOrig;
GeometryUtil.GetAxisAndRangeFromCurve(curve, out curveBounds, out localXDir, out oldOrig);
localOrig = oldOrig;
if (baseCurve != null)
{
if (!validRange || (MathUtil.IsAlmostEqual(range[0], zSpan[0])))
{
XYZ newOrig = baseCurve.Evaluate(curveBounds.U, false);
if (validRange && (zSpan[0] < newOrig[2] - eps))
localOrig = new XYZ(localOrig.X, localOrig.Y, zSpan[0]);
else
localOrig = new XYZ(localOrig.X, localOrig.Y, newOrig[2]);
}
else
{
localOrig = new XYZ(localOrig.X, localOrig.Y, range[0]);
}
}
double dist = localOrig[2] - oldOrig[2];
if (!MathUtil.IsAlmostZero(dist))
{
XYZ moveVec = new XYZ(0, 0, dist);
curve = GeometryUtil.MoveCurve(curve, moveVec);
}
localYDir = localZDir.CrossProduct(localXDir);
// ensure that X and Z axes are orthogonal.
double xzDot = localZDir.DotProduct(localXDir);
if (!MathUtil.IsAlmostZero(xzDot))
localXDir = localYDir.CrossProduct(localZDir);
}
Transform orientationTrf = Transform.Identity;
orientationTrf.BasisX = localXDir;
orientationTrf.BasisY = localYDir;
orientationTrf.BasisZ = localZDir;
orientationTrf.Origin = localOrig;
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, orientationTrf, overrideLevelId))
{
IFCAnyHandle localPlacement = setter.GetPlacement();
Plane plane = new Plane(localXDir, localYDir, localOrig); // project curve to XY plane.
XYZ projDir = new XYZ(0, 0, 1);
// two representations: axis, body.
{
if ((centerCurve != null) && (GeometryUtil.CurveIsLineOrArc(centerCurve)))
{
exportingAxis = true;
IFCLabel identifierOpt = IFCLabel.Create("Axis"); // IFC2x2 convention
IFCLabel representationTypeOpt = IFCLabel.Create("Curve2D"); // IFC2x2 convention
IFCGeometryInfo info = IFCGeometryInfo.CreateCurveGeometryInfo(exporterIFC, plane, projDir, false);
ExporterIFCUtils.CollectGeometryInfo(exporterIFC, info, curve, XYZ.Zero, true);
IList<IFCAnyHandle> axisItems = info.GetCurves();
if (axisItems.Count == 0)
{
exportingAxis = false;
}
else
{
HashSet<IFCAnyHandle> axisItemSet = new HashSet<IFCAnyHandle>();
foreach (IFCAnyHandle axisItem in axisItems)
axisItemSet.Add(axisItem);
axisRep = RepresentationUtil.CreateShapeRepresentation(exporterIFC, catId, contextOfItems,
identifierOpt, representationTypeOpt, axisItemSet);
}
}
}
IList<IFCExtrusionData> cutPairOpenings = new List<IFCExtrusionData>();
do
{
if (wallElement == null || !exportingAxis || curve == null)
break;
bool hasExtrusion = HasElevationProfile(wallElement);
if (hasExtrusion)
{
IList<CurveLoop> loops = GetElevationProfile(wallElement);
if (loops.Count == 0)
hasExtrusion = false;
else
{
IList<IList<CurveLoop>> sortedLoops = ExporterIFCUtils.SortCurveLoops(loops);
if (sortedLoops.Count == 0)
break;
// Current limitation: can't handle wall split into multiple disjointed pieces.
int numSortedLoops = sortedLoops.Count;
if (numSortedLoops > 1)
break;
bool ignoreExtrusion = true;
bool cantHandle = false;
bool hasGeometry = false;
for (int ii = 0; (ii < numSortedLoops) && !cantHandle; ii++)
{
int sortedLoopSize = sortedLoops[ii].Count;
if (sortedLoopSize == 0)
continue;
if (!ExporterIFCUtils.IsCurveLoopConvexWithOpenings(sortedLoops[ii][0], range, wallElement, out ignoreExtrusion))
{
if (ignoreExtrusion)
{
// we need more information. Is there something to export? If so, we'll
// ignore the extrusion. Otherwise, we will fail.
IFCSolidMeshGeometryInfo solidMeshInfo = ExporterIFCUtils.GetClippedSolidMeshGeometry(exporterIFC, range, geometryElement);
if (solidMeshInfo.GetSolids().Count == 0 && solidMeshInfo.GetMeshes().Count == 0)
continue;
hasExtrusion = false;
}
else
{
cantHandle = true;
}
hasGeometry = true;
}
else
{
hasGeometry = true;
}
}
if (!hasGeometry)
return IFCAnyHandle.Create();
if (cantHandle)
break;
}
}
if (!CanExportWallGeometryAsExtrusion(element, range))
break;
// extrusion direction.
XYZ extrusionDir = GetWallHeightDirection(wallElement);
// create extrusion boundary.
IList<CurveLoop> boundaryLoops = new List<CurveLoop>();
bool alwaysThickenCurve = IsWallBaseRectangular(wallElement, curve);
if (!alwaysThickenCurve)
{
boundaryLoops = GetLoopsFromTopBottomFace(wallElement, exporterIFC);
if (boundaryLoops.Count == 0)
continue;
}
else
{
CurveLoop newLoop = CurveLoop.CreateViaThicken(curve, wallElement.Width, new XYZ(0, 0, 1));
if (newLoop == null)
break;
if (!GeometryUtil.IsIFCLoopCCW(newLoop, new XYZ(0, 0, 1)))
newLoop = GeometryUtil.ReverseOrientation(newLoop);
boundaryLoops.Add(newLoop);
}
// origin gets scaled later.
XYZ setterOffset = new XYZ(0, 0, setter.Offset + (localOrig[2] - setter.BaseOffset));
IFCAnyHandle baseBodyItemHnd = file.CreateExtrudedSolidFromCurveLoop(exporterIFC, catId,
boundaryLoops, plane, extrusionDir, depth);
if (!baseBodyItemHnd.HasValue)
break;
IFCAnyHandle bodyItemHnd = AddClippingsToBaseExtrusion(exporterIFC, wallElement,
setterOffset, range, zSpan, baseBodyItemHnd, out cutPairOpenings);
if (!bodyItemHnd.HasValue)
break;
HashSet<IFCAnyHandle> bodyItems = new HashSet<IFCAnyHandle>();
bodyItems.Add(bodyItemHnd);
if (baseBodyItemHnd.Id == bodyItemHnd.Id)
{
bodyRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, catId, contextOfItems, bodyItems, IFCAnyHandle.Create());
}
else
{
bodyRep = RepresentationUtil.CreateClippingRep(exporterIFC, catId, contextOfItems, bodyItems);
}
if (bodyRep.HasValue)
exportedAsWallWithAxis = true;
} while (false);
IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData();
ElementId matId = ElementId.InvalidElementId;
if (!exportedAsWallWithAxis)
{
IFCSolidMeshGeometryInfo solidMeshInfo;
if (wallElement != null)
{
if (validRange)
{
solidMeshInfo = ExporterIFCUtils.GetClippedSolidMeshGeometry(exporterIFC, range, geometryElement);
if (solidMeshInfo.GetSolids().Count == 0 && solidMeshInfo.GetMeshes().Count == 0)
return IFCAnyHandle.Create();
}
else
{
solidMeshInfo = ExporterIFCUtils.GetSplitSolidMeshGeometry(exporterIFC, geometryElement);
}
}
else
{
GeometryElement geomElemToUse = GetGeometryFromInplaceWall(famInstWallElem);
if (geomElemToUse != null)
{
exportingInplaceOpenings = true;
}
else
{
exportingInplaceOpenings = false;
geomElemToUse = geometryElement;
}
Transform trf = Transform.Identity;
if (geomElemToUse != geometryElement)
trf = famInstWallElem.GetTransform();
solidMeshInfo = ExporterIFCUtils.GetSolidMeshGeometry(exporterIFC, geomElemToUse, trf);
}
IList<Solid> solids = solidMeshInfo.GetSolids();
IList<Mesh> meshes = solidMeshInfo.GetMeshes();
extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ; // only allow vertical extrusions!
extraParams.AreInnerRegionsOpenings = true;
if ((solids.Count > 0) || (meshes.Count > 0))
{
matId = BodyExporter.GetBestMaterialIdForGeometry(solids, meshes);
bodyRep = BodyExporter.ExportBody(element.Document.Application, exporterIFC, catId, solids, meshes, true, extraParams);
}
else
{
IList<GeometryObject> geomElemList = new List<GeometryObject>();
geomElemList.Add(geometryElement);
bodyRep = BodyExporter.ExportBody(element.Document.Application, exporterIFC, catId, geomElemList, true, extraParams);
}
if (!bodyRep.HasValue)
return IFCAnyHandle.Create();
// We will be able to export as a IfcWallStandardCase as long as we have an axis curve.
XYZ extrDirUsed = XYZ.Zero;
if (extraParams.HasCustomAxis)
{
extrDirUsed = extraParams.CustomAxis;
if (MathUtil.IsAlmostEqual(Math.Abs(extrDirUsed[2]), 1.0))
{
if ((solids.Count == 1) && (meshes.Count == 0))
exportedAsWallWithAxis = exportingAxis;
exportedBodyDirectly = true;
}
}
}
IFCAnyHandle prodRep = IFCAnyHandle.Create();
IList<IFCAnyHandle> representations = new List<IFCAnyHandle>();
if (exportingAxis)
representations.Add(axisRep);
representations.Add(bodyRep);
prodRep = file.CreateProductDefinitionShape(IFCLabel.Create(), IFCLabel.Create(), representations);
IFCLabel objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element);
IFCAnyHandle wallHnd = IFCAnyHandle.Create();
IFCLabel elemGUID = (validRange) ? IFCLabel.CreateGUID() : IFCLabel.CreateGUID(element);
IFCLabel elemName = NamingUtil.GetNameOverride(element, NamingUtil.CreateIFCName(exporterIFC, -1));
IFCLabel elemDesc = NamingUtil.GetDescriptionOverride(element, IFCLabel.Create());
IFCLabel elemObjectType = NamingUtil.GetObjectTypeOverride(element, objectType);
IFCLabel elemId = NamingUtil.CreateIFCElementId(element);
if (exportedAsWallWithAxis)
{
wallHnd = file.CreateWallStandardCase(elemGUID, ownerHistory, elemName, elemDesc, elemObjectType, localPlacement,
elemId, prodRep);
localWrapper.AddElement(wallHnd, setter, extraParams, true);
OpeningUtil.CreateOpeningsIfNecessary(wallHnd, element, cutPairOpenings, exporterIFC, localPlacement, setter, localWrapper);
if (exportedBodyDirectly)
{
OpeningUtil.CreateOpeningsIfNecessary(wallHnd, element, extraParams, exporterIFC, localPlacement, setter, localWrapper);
}
else
{
double scaledWidth = wallElement.Width * scale;
ExporterIFCUtils.AddOpeningsToWall(exporterIFC, wallHnd, wallElement, scaledWidth, range, setter, localPlacement, localWrapper);
}
// export Base Quantities
if (exporterIFC.ExportBaseQuantities)
{
CreateWallBaseQuantities(exporterIFC, wallElement, wallHnd, depth);
}
}
else
{
wallHnd = file.CreateWall(elemGUID, ownerHistory, elemName, elemDesc, elemObjectType,
localPlacement, elemId, prodRep);
localWrapper.AddElement(wallHnd, setter, extraParams, true);
// Only export one material for 2x2; for future versions, export the whole list.
if (exporterIFC.ExportAs2x2 && (matId != ElementId.InvalidElementId))
{
CategoryUtil.CreateMaterialAssociation(doc, exporterIFC, wallHnd, matId);
}
if (exportingInplaceOpenings)
{
double scaledWidth = wallElement.Width * scale;
ExporterIFCUtils.AddOpeningsToWall(exporterIFC, wallHnd, wallElement, scaledWidth, range, setter, localPlacement, localWrapper);
}
if (exportedBodyDirectly)
OpeningUtil.CreateOpeningsIfNecessary(wallHnd, element, extraParams, exporterIFC, localPlacement, setter, localWrapper);
}
ExporterIFCUtils.CreateGenericElementPropertySet(exporterIFC, element, localWrapper);
ElementId wallLevelId = (validRange) ? setter.LevelId : ElementId.InvalidElementId;
if (wallElement != null)
ExporterIFCUtils.ExportHostObject(exporterIFC, wallElement, geometryElement, localWrapper);
exporterIFC.RegisterSpaceBoundingElementHandle(wallHnd, element.Id, wallLevelId);
return wallHnd;
}
}
}