/// <summary>
/// Creates or updates the IfcLocalPlacement associated with the current origin offset.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="bbox">The bounding box.</param>
/// <param name="ecData">The extrusion creation data which contains the local placement.</param>
/// <param name="lpOrig">The local placement origin.</param>
/// <param name="unscaledTrfOrig">The unscaled local placement origin.</param>
public void CreateLocalPlacementFromOffset(ExporterIFC exporterIFC, BoundingBoxXYZ bbox, IFCExtrusionCreationData ecData, XYZ lpOrig, XYZ unscaledTrfOrig)
{
if (ecData == null)
{
return;
}
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(localPlacement))
{
IFCFile file = exporterIFC.GetFile();
// If the BBox passes through (0,0, 0), or no bbox, do nothing.
if (bbox == null ||
((bbox.Min.X < MathUtil.Eps() && bbox.Max.X > -MathUtil.Eps()) &&
(bbox.Min.Y < MathUtil.Eps() && bbox.Max.Y > -MathUtil.Eps()) &&
(bbox.Min.Z < MathUtil.Eps() && bbox.Max.Z > -MathUtil.Eps())))
{
if (!ecData.ReuseLocalPlacement)
{
ecData.SetLocalPlacement(ExporterUtil.CopyLocalPlacement(file, localPlacement));
}
return;
}
if (!MathUtil.IsAlmostZero(unscaledTrfOrig.DotProduct(unscaledTrfOrig)))
{
if (!ecData.ReuseLocalPlacement)
{
ecData.SetLocalPlacement(ExporterUtil.CreateLocalPlacement(file, localPlacement, lpOrig, null, null));
}
else
{
IFCAnyHandle relativePlacement = GeometryUtil.GetRelativePlacementFromLocalPlacement(localPlacement);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(relativePlacement))
{
IFCAnyHandle newRelativePlacement = ExporterUtil.CreateAxis(file, lpOrig, null, null);
GeometryUtil.SetRelativePlacement(localPlacement, newRelativePlacement);
}
else
{
IFCAnyHandle newOriginHnd = ExporterUtil.CreateCartesianPoint(file, lpOrig);
IFCAnyHandleUtil.SetAttribute(relativePlacement, "Location", newOriginHnd);
}
}
}
else if (ecData.ForceOffset)
{
ecData.SetLocalPlacement(ExporterUtil.CreateLocalPlacement(file, localPlacement, null));
}
else if (!ecData.ReuseLocalPlacement)
{
ecData.SetLocalPlacement(ExporterUtil.CopyLocalPlacement(file, localPlacement));
}
}
}
/// <summary>
/// Obtains the handle to an alternate local placement for a room-related element.
/// </summary>
/// <param name="element">The element.</param>
/// <param name="placementToUse">The handle to the IfcLocalPlacement to use for the given room-related element.</param>
/// <returns>
/// The id of the spatial element related to the element. InvalidElementId if the element
/// is not room-related, in which case the output will contain the placement handle from
/// LocalPlacement.
/// </returns>
public ElementId UpdateRoomRelativeCoordinates(Element elem, out IFCAnyHandle placement)
{
placement = m_LocalPlacement;
FamilyInstance famInst = elem as FamilyInstance;
if (famInst == null)
{
return(ElementId.InvalidElementId);
}
Element roomOrSpace = null;
if (roomOrSpace == null)
{
try
{
roomOrSpace = ExporterCacheManager.SpaceInfoCache.ContainsRooms ? famInst.get_Room(ExporterCacheManager.ExportOptionsCache.ActivePhaseElement) : null;
}
catch
{
roomOrSpace = null;
}
}
if (roomOrSpace == null)
{
try
{
roomOrSpace = ExporterCacheManager.SpaceInfoCache.ContainsSpaces ? famInst.get_Space(ExporterCacheManager.ExportOptionsCache.ActivePhaseElement) : null;
}
catch
{
roomOrSpace = null;
}
}
if (roomOrSpace == null || roomOrSpace.Location == null)
{
return(ElementId.InvalidElementId);
}
ElementId roomId = roomOrSpace.Id;
IFCAnyHandle roomHnd = ExporterCacheManager.SpaceInfoCache.FindSpaceHandle(roomId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(roomHnd))
{
return(ElementId.InvalidElementId);
}
IFCAnyHandle roomPlacementHnd = IFCAnyHandleUtil.GetObjectPlacement(roomHnd);
Transform trf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(placement, roomPlacementHnd);
placement = ExporterUtil.CreateLocalPlacement(m_ExporterIFC.GetFile(), roomPlacementHnd, trf.Origin, trf.BasisZ, trf.BasisX);
return(roomId);
}
/// <summary>
/// Obtains the handle to an alternate local placement for a room-related element.
/// </summary>
/// <param name="roomHnd">Handle to the element.</param>
/// <param name="placementToUse">The handle to the IfcLocalPlacement to use for the given room-related element.</param>
/// <returns>
/// </returns>
private void UpdatePlacement(IFCAnyHandle roomHnd, out IFCAnyHandle placement)
{
placement = LocalPlacement;
if (roomHnd == null)
{
return;
}
IFCAnyHandle roomPlacementHnd = IFCAnyHandleUtil.GetObjectPlacement(roomHnd);
Transform trf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(placement, roomPlacementHnd);
placement = ExporterUtil.CreateLocalPlacement(ExporterIFC.GetFile(), roomPlacementHnd, trf.Origin, trf.BasisZ, trf.BasisX);
}
/// <summary>
/// A special PlacementSetter constructor for element to be placed to the Site or Building
/// </summary>
/// <param name="exporterIFC">the exporterIFC</param>
/// <param name="elem">the element</param>
/// <param name="familyTrf">The optional family transform.</param>
/// <param name="orientationTrf">The optional orientation of the element based on IFC standards or agreements.</param>
/// <param name="siteOrBuilding">IfcSite or IfcBuilding</param>
public PlacementSetter(ExporterIFC exporterIFC, Element elem, Transform familyTrf, Transform orientationTrf, IFCAnyHandle siteOrBuilding)
{
if (!IFCAnyHandleUtil.IsTypeOf(siteOrBuilding, Common.Enums.IFCEntityType.IfcSite) && !IFCAnyHandleUtil.IsTypeOf(siteOrBuilding, Common.Enums.IFCEntityType.IfcBuilding))
{
throw new ArgumentException("Argument siteOrBuilding (" + IFCAnyHandleUtil.GetEntityType(siteOrBuilding).ToString() + ") must be either IfcSite or IfcBuilding!");
}
ExporterIFC = exporterIFC;
Transform trf = Transform.Identity;
if (familyTrf != null)
{
XYZ origin, xDir, yDir, zDir;
xDir = familyTrf.BasisX; yDir = familyTrf.BasisY; zDir = familyTrf.BasisZ; origin = familyTrf.Origin;
trf = trf.Inverse;
origin = UnitUtil.ScaleLength(origin);
LocalPlacement = ExporterUtil.CreateLocalPlacement(exporterIFC.GetFile(), null, origin, zDir, xDir);
}
else if (orientationTrf != null)
{
XYZ origin, xDir, yDir, zDir;
xDir = orientationTrf.BasisX; yDir = orientationTrf.BasisY; zDir = orientationTrf.BasisZ; origin = orientationTrf.Origin;
trf = orientationTrf.Inverse;
origin = UnitUtil.ScaleLength(origin);
LocalPlacement = ExporterUtil.CreateLocalPlacement(exporterIFC.GetFile(), null, origin, zDir, xDir);
}
else
{
LocalPlacement = ExporterUtil.CreateLocalPlacement(exporterIFC.GetFile(), null, null, null, null);
}
ExporterIFC.PushTransform(trf);
Offset = 0.0;
LevelId = ElementId.InvalidElementId;
LevelInfo = null;
}
/// <summary>
/// Exports a roof or floor as a container of multiple roof slabs. Returns the handle, if successful.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="ifcEnumType">The roof type.</param>
/// <param name="element">The roof or floor element.</param>
/// <param name="geometry">The geometry of the element.</param>
/// <param name="productWrapper">The product wrapper.</param>
/// <returns>The roof handle.</returns>
/// <remarks>For floors, if there is only one component, return null, as we do not want to create a container.</remarks>
public static IFCAnyHandle ExportRoofOrFloorAsContainer(ExporterIFC exporterIFC, string ifcEnumType, Element element, GeometryElement geometry, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
// We support ExtrusionRoofs, FootPrintRoofs, and Floors only.
bool elementIsRoof = (element is ExtrusionRoof) || (element is FootPrintRoof);
bool elementIsFloor = (element is Floor);
if (!elementIsRoof && !elementIsFloor)
{
return(null);
}
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
IFCAnyHandle localPlacement = setter.LocalPlacement;
IList <HostObjectSubcomponentInfo> hostObjectSubcomponents = null;
try
{
hostObjectSubcomponents = ExporterIFCUtils.ComputeSubcomponents(element as HostObject);
}
catch
{
return(null);
}
if (hostObjectSubcomponents == null)
{
return(null);
}
int numSubcomponents = hostObjectSubcomponents.Count;
if (numSubcomponents == 0 || (elementIsFloor && numSubcomponents == 1))
{
return(null);
}
try
{
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
extrusionCreationData.SetLocalPlacement(localPlacement);
extrusionCreationData.ReuseLocalPlacement = true;
using (TransformSetter trfSetter = TransformSetter.Create())
{
IList <GeometryObject> geometryList = new List <GeometryObject>();
geometryList.Add(geometry);
trfSetter.InitializeFromBoundingBox(exporterIFC, geometryList, extrusionCreationData);
IFCAnyHandle prodRepHnd = null;
string elementGUID = GUIDUtil.CreateGUID(element);
string elementName = NamingUtil.GetIFCName(element);
string elementDescription = NamingUtil.GetDescriptionOverride(element, null);
string elementObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string elementId = NamingUtil.CreateIFCElementId(element);
string hostObjectType = IFCValidateEntry.GetValidIFCType(element, ifcEnumType);
IFCAnyHandle hostObjectHandle = null;
if (elementIsRoof)
{
hostObjectHandle = IFCInstanceExporter.CreateRoof(file, elementGUID, ownerHistory, elementName, elementDescription,
elementObjectType, localPlacement, prodRepHnd, elementId, hostObjectType);
}
else
{
hostObjectHandle = IFCInstanceExporter.CreateSlab(file, elementGUID, ownerHistory, elementName, elementDescription,
elementObjectType, localPlacement, prodRepHnd, elementId, hostObjectType);
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(hostObjectHandle))
{
return(null);
}
IList <IFCAnyHandle> elementHandles = new List <IFCAnyHandle>();
elementHandles.Add(hostObjectHandle);
// If element is floor, then the profile curve loop of hostObjectSubComponent is computed from the top face of the floor
// else if element is roof, then the profile curve loop is taken from the bottom face of the roof instead
XYZ extrusionDir = elementIsFloor ? new XYZ(0, 0, -1) : new XYZ(0, 0, 1);
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
IList <IFCAnyHandle> slabHandles = new List <IFCAnyHandle>();
IList <CurveLoop> hostObjectOpeningLoops = new List <CurveLoop>();
double maximumScaledDepth = 0.0;
using (IFCExtrusionCreationData slabExtrusionCreationData = new IFCExtrusionCreationData())
{
slabExtrusionCreationData.SetLocalPlacement(extrusionCreationData.GetLocalPlacement());
slabExtrusionCreationData.ReuseLocalPlacement = false;
slabExtrusionCreationData.ForceOffset = true;
int loopNum = 0;
int subElementStart = elementIsRoof ? (int)IFCRoofSubElements.RoofSlabStart : (int)IFCSlabSubElements.SubSlabStart;
string subSlabType = elementIsRoof ? "ROOF" : hostObjectType;
foreach (HostObjectSubcomponentInfo hostObjectSubcomponent in hostObjectSubcomponents)
{
trfSetter.InitializeFromBoundingBox(exporterIFC, geometryList, slabExtrusionCreationData);
Plane plane = hostObjectSubcomponent.GetPlane();
Transform lcs = GeometryUtil.CreateTransformFromPlane(plane);
IList <CurveLoop> curveLoops = new List <CurveLoop>();
CurveLoop slabCurveLoop = hostObjectSubcomponent.GetCurveLoop();
curveLoops.Add(slabCurveLoop);
double slope = Math.Abs(plane.Normal.Z);
double scaledDepth = UnitUtil.ScaleLength(hostObjectSubcomponent.Depth);
double scaledExtrusionDepth = scaledDepth * slope;
IFCAnyHandle shapeRep = ExtrusionExporter.CreateExtrudedSolidFromCurveLoop(exporterIFC, null, curveLoops, lcs, extrusionDir, scaledExtrusionDepth, false);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
{
return(null);
}
ElementId matId = HostObjectExporter.GetFirstLayerMaterialId(element as HostObject);
BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, element.Document, shapeRep, matId);
HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>();
bodyItems.Add(shapeRep);
shapeRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, element, catId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null);
IList <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>();
shapeReps.Add(shapeRep);
IFCAnyHandle repHnd = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
// Allow support for up to 256 named IfcSlab components, as defined in IFCSubElementEnums.cs.
string slabGUID = (loopNum < 256) ? GUIDUtil.CreateSubElementGUID(element, subElementStart + loopNum) : GUIDUtil.CreateGUID();
IFCAnyHandle slabPlacement = ExporterUtil.CreateLocalPlacement(file, slabExtrusionCreationData.GetLocalPlacement(), null);
IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, slabGUID, ownerHistory, elementName,
elementDescription, elementObjectType, slabPlacement, repHnd, elementId, subSlabType);
//slab quantities
slabExtrusionCreationData.ScaledLength = scaledExtrusionDepth;
slabExtrusionCreationData.ScaledArea = UnitUtil.ScaleArea(UnitUtil.ScaleArea(hostObjectSubcomponent.AreaOfCurveLoop));
slabExtrusionCreationData.ScaledOuterPerimeter = UnitUtil.ScaleLength(curveLoops[0].GetExactLength());
slabExtrusionCreationData.Slope = UnitUtil.ScaleAngle(MathUtil.SafeAcos(Math.Abs(slope)));
productWrapper.AddElement(null, slabHnd, setter, slabExtrusionCreationData, false);
elementHandles.Add(slabHnd);
slabHandles.Add(slabHnd);
hostObjectOpeningLoops.Add(slabCurveLoop);
maximumScaledDepth = Math.Max(maximumScaledDepth, scaledDepth);
loopNum++;
}
}
productWrapper.AddElement(element, hostObjectHandle, setter, extrusionCreationData, true);
ExporterUtil.RelateObjects(exporterIFC, null, hostObjectHandle, slabHandles);
OpeningUtil.AddOpeningsToElement(exporterIFC, elementHandles, hostObjectOpeningLoops, element, null, maximumScaledDepth,
null, setter, localPlacement, productWrapper);
transaction.Commit();
return(hostObjectHandle);
}
}
}
finally
{
exporterIFC.ClearFaceWithElementHandleMap();
}
}
}
}
void commonInit(ExporterIFC exporterIFC, Element elem, Transform familyTrf, Transform orientationTrf, ElementId overrideLevelId)
{
m_ExporterIFC = exporterIFC;
overrideLevelId = overrideLevelId != null ? overrideLevelId : ElementId.InvalidElementId;
Document doc = elem.Document;
Element hostElem = elem;
ElementId elemId = elem.Id;
ElementId newLevelId = overrideLevelId;
bool useOverrideOrigin = false;
XYZ overrideOrigin = XYZ.Zero;
IDictionary <ElementId, IFCLevelInfo> levelInfos = exporterIFC.GetLevelInfos();
if (overrideLevelId == ElementId.InvalidElementId)
{
if (familyTrf == null)
{
// Override for CurveElems -- base level calculation on origin of sketch Plane.
if (elem is CurveElement)
{
SketchPlane sketchPlane = (elem as CurveElement).SketchPlane;
if (sketchPlane != null)
{
useOverrideOrigin = true;
overrideOrigin = sketchPlane.GetPlane().Origin;
}
}
else
{
ElementId hostElemId = ElementId.InvalidElementId;
// a bit of a hack. If we have a railing, we want it to have the same level base as its host Stair (because of
// the way the stairs place railings and stair flights together).
if (elem is Railing)
{
hostElemId = (elem as Railing).HostId;
}
else if (elem.Category.Id.IntegerValue == (int)BuiltInCategory.OST_Assemblies)
{
hostElemId = elem.AssemblyInstanceId;
}
if (hostElemId != ElementId.InvalidElementId)
{
hostElem = doc.GetElement(hostElemId);
}
newLevelId = hostElem != null ? hostElem.LevelId : ElementId.InvalidElementId;
if (newLevelId == ElementId.InvalidElementId)
{
ExporterIFCUtils.GetLevelIdByHeight(exporterIFC, hostElem);
}
}
}
// todo: store.
double bottomHeight = double.MaxValue;
ElementId bottomLevelId = ElementId.InvalidElementId;
if ((newLevelId == ElementId.InvalidElementId) || orientationTrf != null)
{
// if we have a trf, it might geometrically push the instance to a new level. Check that case.
// actually, we should ALWAYS check the bbox vs the settings
newLevelId = ElementId.InvalidElementId;
XYZ originToUse = XYZ.Zero;
bool originIsValid = useOverrideOrigin;
if (useOverrideOrigin)
{
originToUse = overrideOrigin;
}
else
{
BoundingBoxXYZ bbox = elem.get_BoundingBox(null);
if (bbox != null)
{
originToUse = bbox.Min;
originIsValid = true;
}
else if (hostElem.Id != elemId)
{
bbox = hostElem.get_BoundingBox(null);
if (bbox != null)
{
originToUse = bbox.Min;
originIsValid = true;
}
}
}
// The original heuristic here was that the origin determined the level containment based on exact location:
// if the Z of the origin was higher than the current level but lower than the next level, it was contained
// on that level.
// However, in some places (e.g. Germany), the containment is thought to start just below the level, because floors
// are placed before the level, not above. So we have made a small modification so that anything within
// 10cm of the 'next' level is on that level.
double leveExtension = 10.0 / (12.0 * 2.54);
foreach (KeyValuePair <ElementId, IFCLevelInfo> levelInfoPair in levelInfos)
{
// the cache contains levels from all the exported documents
// if the export is performed for a linked document, filter the levels that are not from this document
if (ExporterCacheManager.ExportOptionsCache.ExportingLink)
{
Element levelElem = doc.GetElement(levelInfoPair.Key);
if (levelElem == null || !(levelElem is Level))
{
continue;
}
}
IFCLevelInfo levelInfo = levelInfoPair.Value;
double startHeight = levelInfo.Elevation - leveExtension;
double height = levelInfo.DistanceToNextLevel;
bool useHeight = !MathUtil.IsAlmostZero(height);
double endHeight = startHeight + height;
if (originIsValid && ((originToUse[2] > (startHeight - MathUtil.Eps())) && (!useHeight || originToUse[2] < (endHeight - MathUtil.Eps()))))
{
newLevelId = levelInfoPair.Key;
}
if (startHeight < (bottomHeight + MathUtil.Eps()))
{
bottomLevelId = levelInfoPair.Key;
bottomHeight = startHeight;
}
}
}
if (newLevelId == ElementId.InvalidElementId)
{
newLevelId = bottomLevelId;
}
}
m_LevelInfo = exporterIFC.GetLevelInfo(newLevelId);
if (m_LevelInfo == null)
{
foreach (KeyValuePair <ElementId, IFCLevelInfo> levelInfoPair in levelInfos)
{
// the cache contains levels from all the exported documents
// if the export is performed for a linked document, filter the levels that are not from this document
if (ExporterCacheManager.ExportOptionsCache.ExportingLink)
{
Element levelElem = doc.GetElement(levelInfoPair.Key);
if (levelElem == null || !(levelElem is Level))
{
continue;
}
}
m_LevelInfo = levelInfoPair.Value;
break;
}
//m_LevelInfo = levelInfos.Values.First<IFCLevelInfo>();
}
double elevation = m_LevelInfo.Elevation;
IFCAnyHandle levelPlacement = m_LevelInfo.GetLocalPlacement();
IFCFile file = exporterIFC.GetFile();
Transform trf = Transform.Identity;
if (familyTrf != null)
{
XYZ origin, xDir, yDir, zDir;
xDir = familyTrf.BasisX; yDir = familyTrf.BasisY; zDir = familyTrf.BasisZ;
Transform origOffsetTrf = Transform.Identity;
XYZ negLevelOrigin = new XYZ(0, 0, -elevation);
origOffsetTrf.Origin = negLevelOrigin;
Transform newTrf = origOffsetTrf * familyTrf;
origin = newTrf.Origin;
trf.BasisX = xDir; trf.BasisY = yDir; trf.BasisZ = zDir;
trf = trf.Inverse;
origin = UnitUtil.ScaleLength(origin);
m_LocalPlacement = ExporterUtil.CreateLocalPlacement(file, levelPlacement, origin, zDir, xDir);
}
else if (orientationTrf != null)
{
XYZ origin, xDir, yDir, zDir;
xDir = orientationTrf.BasisX; yDir = orientationTrf.BasisY; zDir = orientationTrf.BasisZ; origin = orientationTrf.Origin;
XYZ levelOrigin = new XYZ(0, 0, elevation);
origin = origin - levelOrigin;
trf.BasisX = xDir; trf.BasisY = yDir; trf.BasisZ = zDir; trf.Origin = origin;
trf = trf.Inverse;
origin = UnitUtil.ScaleLength(origin);
m_LocalPlacement = ExporterUtil.CreateLocalPlacement(file, levelPlacement, origin, zDir, xDir);
}
else
{
m_LocalPlacement = ExporterUtil.CreateLocalPlacement(file, levelPlacement, null, null, null);
}
Transform origOffsetTrf2 = Transform.Identity;
XYZ negLevelOrigin2 = new XYZ(0, 0, -elevation);
origOffsetTrf2.Origin = negLevelOrigin2;
Transform newTrf2 = trf * origOffsetTrf2;
m_ExporterIFC.PushTransform(newTrf2);
m_Offset = elevation;
m_LevelId = newLevelId;
}
private static bool ExportGenericElementAsMappedItem(ExporterIFC exporterIFC,
Element element, GeometryElement geomElem, IFCExportInfoPair exportType,
ProductWrapper wrapper)
{
GeometryInstance geometryInstance = GetTheGeometryInstance(geomElem);
if (geometryInstance == null)
{
return(false);
}
GeometryElement exportGeometry = geometryInstance.GetSymbolGeometry();
if (exportGeometry == null)
{
return(false);
}
ElementId symbolId = geometryInstance.GetSymbolGeometryId()?.SymbolId ?? ElementId.InvalidElementId;
ElementType elementType = element.Document.GetElement(symbolId) as ElementType;
if (elementType == null)
{
return(false);
}
Transform originalTrf = geometryInstance.Transform;
// Can't handle mirrored transforms yet.
if (originalTrf.HasReflection)
{
return(false);
}
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
IFCFile file = exporterIFC.GetFile();
IList <Transform> repMapTrfList = new List <Transform>();
BodyData bodyData = null;
FamilyTypeInfo typeInfo = new FamilyTypeInfo();
IFCExtrusionCreationData extraParams = typeInfo.extraParams;
Transform offsetTransform = Transform.Identity;
// We will create a new mapped type if we haven't already created the type.
FamilyTypeInfo currentTypeInfo = ExporterCacheManager.FamilySymbolToTypeInfoCache.Find(symbolId, false, exportType);
bool found = currentTypeInfo.IsValid();
if (!found)
{
IList <IFCAnyHandle> representations3D = new List <IFCAnyHandle>();
IFCAnyHandle dummyPlacement = ExporterUtil.CreateLocalPlacement(file, null, null);
extraParams.SetLocalPlacement(dummyPlacement);
using (TransformSetter trfSetter = TransformSetter.Create())
{
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(false, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
bodyData = BodyExporter.ExportBody(exporterIFC, element, categoryId,
ExporterUtil.GetSingleMaterial(element), exportGeometry,
bodyExporterOptions, extraParams);
typeInfo.MaterialIdList = bodyData.MaterialIds;
offsetTransform = bodyData.OffsetTransform;
// This code does not handle openings yet.
// The intention for this is FabricationParts and DirectShapes which do not
// currently have opening.
// If they can have openings in the future, we can add this.
IFCAnyHandle bodyRepHnd = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepHnd) || extraParams.GetOpenings().Count > 0)
{
return(false);
}
representations3D.Add(bodyRepHnd);
repMapTrfList.Add(null);
}
typeInfo.StyleTransform = ExporterIFCUtils.GetUnscaledTransform(exporterIFC,
extraParams.GetLocalPlacement());
IFCAnyHandle typeStyle = FamilyInstanceExporter.CreateTypeEntityHandle(exporterIFC,
ref typeInfo, null, representations3D, repMapTrfList, null,
element, elementType, elementType, false, false,
exportType, out HashSet <IFCAnyHandle> propertySets);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeStyle))
{
wrapper.RegisterHandleWithElementType(elementType, exportType, typeStyle,
propertySets);
typeInfo.Style = typeStyle;
CategoryUtil.TryToCreateMaterialAssocation(exporterIFC, bodyData, elementType,
element, exportGeometry, typeStyle, typeInfo);
// Create other generic classification from ClassificationCode(s)
ClassificationUtil.CreateClassification(exporterIFC, file, elementType, typeStyle);
ClassificationUtil.CreateUniformatClassification(exporterIFC, file, elementType, typeStyle);
}
}
if (found && !typeInfo.IsValid())
{
typeInfo = currentTypeInfo;
}
// we'll pretend we succeeded, but we'll do nothing.
if (!typeInfo.IsValid())
{
return(false);
}
extraParams = typeInfo.extraParams;
// We expect no openings, so always add to map.
ExporterCacheManager.FamilySymbolToTypeInfoCache.Register(symbolId, false, exportType, typeInfo);
XYZ scaledMapOrigin = XYZ.Zero;
Transform scaledTrf = originalTrf.Multiply(typeInfo.StyleTransform);
// create instance.
IList <IFCAnyHandle> shapeReps = FamilyInstanceExporter.CreateShapeRepresentations(exporterIFC,
file, element, categoryId, typeInfo, scaledMapOrigin);
if (shapeReps == null)
{
return(false);
}
Transform boundingBoxTrf = (offsetTransform != null) ? offsetTransform.Inverse : Transform.Identity;
boundingBoxTrf = boundingBoxTrf.Multiply(scaledTrf.Inverse);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomElem, boundingBoxTrf);
if (boundingBoxRep != null)
{
shapeReps.Add(boundingBoxRep);
}
IFCAnyHandle repHnd = (shapeReps.Count > 0) ? IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps) : null;
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, scaledTrf, null))
{
IFCAnyHandle instanceHandle = null;
IFCAnyHandle localPlacement = setter.LocalPlacement;
bool materialAlreadyAssociated = false;
// We won't create the instance if:
// (1) we are exporting to CV2.0/RV, (2) we have no 2D, 3D, or bounding box geometry, and (3) we aren't exporting parts.
if (!(repHnd == null &&
(ExporterCacheManager.ExportOptionsCache.ExportAsCoordinationView2 ||
ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)))
{
string instanceGUID = GUIDUtil.CreateGUID(element);
bool isChildInContainer = element.AssemblyInstanceId != ElementId.InvalidElementId;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
bool isBuildingElementProxy =
((exportType.ExportInstance == IFCEntityType.IfcBuildingElementProxy) ||
(exportType.ExportType == IFCEntityType.IfcBuildingElementProxyType));
ElementId roomId = setter.UpdateRoomRelativeCoordinates(element,
out IFCAnyHandle localPlacementToUse);
bool containedInSpace = (roomId != ElementId.InvalidElementId) && (exportType.ExportInstance != IFCEntityType.IfcSystemFurnitureElement);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
if (!isBuildingElementProxy)
{
instanceHandle = IFCInstanceExporter.CreateGenericIFCEntity(exportType, exporterIFC, element, instanceGUID,
ownerHistory, localPlacementToUse, repHnd);
}
else
{
instanceHandle = IFCInstanceExporter.CreateBuildingElementProxy(exporterIFC, element, instanceGUID,
ownerHistory, localPlacementToUse, repHnd, exportType.ValidatedPredefinedType);
}
bool associateToLevel = !containedInSpace && !isChildInContainer;
wrapper.AddElement(element, instanceHandle, setter, extraParams, associateToLevel, exportType);
if (containedInSpace)
{
ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomId, instanceHandle);
}
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
if (ElementFilteringUtil.IsMEPType(exportType) || ElementFilteringUtil.ProxyForMEPType(element, exportType))
{
ExporterCacheManager.MEPCache.Register(element, instanceHandle);
}
ExporterCacheManager.HandleToElementCache.Register(instanceHandle, element.Id);
if (!materialAlreadyAssociated)
{
// Create material association for the instance only if the the istance geometry is different from the type
// or the type does not have any material association
IFCAnyHandle constituentSetHnd = ExporterCacheManager.MaterialSetCache.FindConstituentSetHnd(symbolId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(constituentSetHnd) &&
bodyData != null && bodyData.RepresentationItemInfo != null && bodyData.RepresentationItemInfo.Count > 0)
{
CategoryUtil.CreateMaterialAssociationWithShapeAspect(exporterIFC, element, instanceHandle, bodyData.RepresentationItemInfo);
}
else
{
// Create material association in case if bodyData is null
CategoryUtil.CreateMaterialAssociation(exporterIFC, instanceHandle, typeInfo.MaterialIdList);
}
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeInfo.Style))
{
ExporterCacheManager.TypeRelationsCache.Add(typeInfo.Style, instanceHandle);
}
}
}
}
return(true);
}
/// <summary>
/// Exports an element as IFC railing.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="element">
/// The element to be exported.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void ExportRailing(ExporterIFC exporterIFC, Element element, GeometryElement geomElem, string ifcEnumType, ProductWrapper productWrapper)
{
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcRailing;
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType;
IFCFile file = exporterIFC.GetFile();
Options geomOptions = GeometryUtil.GetIFCExportGeometryOptions();
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
IFCAnyHandle localPlacement = setter.LocalPlacement;
StairRampContainerInfo stairRampInfo = null;
ElementId hostId = GetStairOrRampHostId(exporterIFC, element as Railing);
Transform inverseTrf = Transform.Identity;
if (hostId != ElementId.InvalidElementId)
{
stairRampInfo = ExporterCacheManager.StairRampContainerInfoCache.GetStairRampContainerInfo(hostId);
IFCAnyHandle stairRampLocalPlacement = stairRampInfo.LocalPlacements[0];
Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(stairRampLocalPlacement, localPlacement);
inverseTrf = relTrf.Inverse;
IFCAnyHandle railingLocalPlacement = ExporterUtil.CreateLocalPlacement(file, stairRampLocalPlacement,
inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
localPlacement = railingLocalPlacement;
}
ecData.SetLocalPlacement(localPlacement);
SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geomElem);
IList <Solid> solids = solidMeshInfo.GetSolids();
IList <Mesh> meshes = solidMeshInfo.GetMeshes();
Railing railingElem = element as Railing;
IList <ElementId> subElementIds = CollectSubElements(railingElem);
foreach (ElementId subElementId in subElementIds)
{
Element subElement = railingElem.Document.GetElement(subElementId);
if (subElement != null)
{
GeometryElement subElementGeom = GeometryUtil.GetOneLevelGeometryElement(subElement.get_Geometry(geomOptions), 0);
SolidMeshGeometryInfo subElementSolidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(subElementGeom);
IList <Solid> subElementSolids = subElementSolidMeshInfo.GetSolids();
IList <Mesh> subElementMeshes = subElementSolidMeshInfo.GetMeshes();
foreach (Solid subElementSolid in subElementSolids)
{
solids.Add(subElementSolid);
}
foreach (Mesh subElementMesh in subElementMeshes)
{
meshes.Add(subElementMesh);
}
}
}
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
BodyData bodyData = null;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.Medium);
//bodyExporterOptions.UseGroupsIfPossible = true;
//bodyExporterOptions.UseMappedGeometriesIfPossible = true;
if (solids.Count > 0 || meshes.Count > 0)
{
bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId, solids, meshes, bodyExporterOptions, ecData);
}
else
{
IList <GeometryObject> geomlist = new List <GeometryObject>();
geomlist.Add(geomElem);
bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId, geomlist, bodyExporterOptions, ecData);
}
IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
if (ecData != null)
{
ecData.ClearOpenings();
}
return;
}
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
representations.Add(bodyRep);
IList <GeometryObject> geomObjects = new List <GeometryObject>();
foreach (Solid solid in solids)
{
geomObjects.Add(solid);
}
foreach (Mesh mesh in meshes)
{
geomObjects.Add(mesh);
}
Transform boundingBoxTrf = (bodyData.OffsetTransform != null) ? bodyData.OffsetTransform.Inverse : Transform.Identity;
boundingBoxTrf = inverseTrf.Multiply(boundingBoxTrf);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomObjects, boundingBoxTrf);
if (boundingBoxRep != null)
{
representations.Add(boundingBoxRep);
}
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
string instanceGUID = GUIDUtil.CreateGUID(element);
//string railingType = IFCValidateEntry.GetValidIFCPredefinedType(element, ifcEnumType);
IFCAnyHandle railing = IFCInstanceExporter.CreateRailing(exporterIFC, element, instanceGUID, ownerHistory,
ecData.GetLocalPlacement(), prodRep, ifcEnumType);
bool associateToLevel = (hostId == ElementId.InvalidElementId);
productWrapper.AddElement(element, railing, setter, ecData, associateToLevel);
OpeningUtil.CreateOpeningsIfNecessary(railing, element, ecData, bodyData.OffsetTransform,
exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
CategoryUtil.CreateMaterialAssociation(exporterIFC, railing, bodyData.MaterialIds);
// Create multi-story duplicates of this railing.
if (stairRampInfo != null)
{
stairRampInfo.AddComponent(0, railing);
List <IFCAnyHandle> stairHandles = stairRampInfo.StairOrRampHandles;
for (int ii = 1; ii < stairHandles.Count; ii++)
{
IFCAnyHandle railingLocalPlacement = stairRampInfo.LocalPlacements[ii];
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(railingLocalPlacement))
{
IFCAnyHandle railingHndCopy = CopyRailingHandle(exporterIFC, element, catId, railingLocalPlacement, railing);
stairRampInfo.AddComponent(ii, railingHndCopy);
productWrapper.AddElement(element, railingHndCopy, (IFCLevelInfo)null, ecData, false);
CategoryUtil.CreateMaterialAssociation(exporterIFC, railingHndCopy, bodyData.MaterialIds);
}
}
ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(hostId, stairRampInfo);
}
}
transaction.Commit();
}
}
}
/// <summary>
/// Export the individual part (IfcBuildingElementPart).
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="partElement">The part element to export.</param>
/// <param name="geometryElement">The geometry of part.</param>
/// <param name="productWrapper">The ProductWrapper object.</param>
/// <param name="placementSetter"></param>
/// <param name="originalPlacement"></param>
/// <param name="range"></param>
/// <param name="ifcExtrusionAxes"></param>
/// <param name="hostElement">The host of the part. This can be null.</param>
/// <param name="overrideLevelId">The id of the level that the part is one, overridding other sources.</param>
/// <param name="asBuildingElement">If true, export the Part as a building element instead of an IfcElementPart.</param>
public static void ExportPart(ExporterIFC exporterIFC, Element partElement, ProductWrapper productWrapper,
PlacementSetter placementSetter, IFCAnyHandle originalPlacement, IFCRange range, IFCExtrusionAxes ifcExtrusionAxes,
Element hostElement, ElementId overrideLevelId, bool asBuildingElement)
{
if (!ElementFilteringUtil.IsElementVisible(partElement))
{
return;
}
Part part = partElement as Part;
if (part == null)
{
return;
}
// We don't know how to export a part as a building element if we don't know it's host.
if (asBuildingElement && (hostElement == null))
{
return;
}
if (!asBuildingElement)
{
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcBuildingElementPart;
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
}
else
{
string ifcEnumType = null;
IFCExportInfoPair exportType = ExporterUtil.GetExportType(exporterIFC, hostElement, out ifcEnumType);
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum;
if (Enum.TryParse <Common.Enums.IFCEntityType>(exportType.ToString(), out elementClassTypeEnum))
{
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
}
}
PlacementSetter standalonePlacementSetter = null;
bool standaloneExport = hostElement == null || asBuildingElement;
ElementId partExportLevelId = (overrideLevelId != null) ? overrideLevelId : null;
if (partExportLevelId == null && standaloneExport)
{
partExportLevelId = partElement.LevelId;
}
if (partExportLevelId == null)
{
if (hostElement == null || (part.OriginalCategoryId != hostElement.Category.Id))
{
return;
}
partExportLevelId = hostElement.LevelId;
}
if (ExporterCacheManager.PartExportedCache.HasExported(partElement.Id, partExportLevelId))
{
return;
}
Options options = GeometryUtil.GetIFCExportGeometryOptions();
View ownerView = partElement.Document.GetElement(partElement.OwnerViewId) as View;
if (ownerView != null)
{
options.View = ownerView;
}
GeometryElement geometryElement = partElement.get_Geometry(options);
if (geometryElement == null)
{
return;
}
try
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
IFCAnyHandle partPlacement = null;
if (standaloneExport)
{
Transform orientationTrf = Transform.Identity;
IFCAnyHandle overrideContainerHnd = null;
ElementId overrideContainerId = ParameterUtil.OverrideContainmentParameter(exporterIFC, partElement, out overrideContainerHnd);
if (overrideContainerId != ElementId.InvalidElementId && (partExportLevelId == null || partExportLevelId == ElementId.InvalidElementId))
{
partExportLevelId = overrideContainerId;
}
standalonePlacementSetter = PlacementSetter.Create(exporterIFC, partElement, null, orientationTrf, partExportLevelId, overrideContainerHnd);
partPlacement = standalonePlacementSetter.LocalPlacement;
}
else
{
//partPlacement = ExporterUtil.CreateLocalPlacement(file, null, null);
partPlacement = ExporterUtil.CreateLocalPlacement(file, originalPlacement, null);
}
bool validRange = (range != null && !MathUtil.IsAlmostZero(range.Start - range.End));
SolidMeshGeometryInfo solidMeshInfo;
if (validRange)
{
solidMeshInfo = GeometryUtil.GetSplitClippedSolidMeshGeometry(geometryElement, range);
if (solidMeshInfo.GetSolids().Count == 0 && solidMeshInfo.GetMeshes().Count == 0)
{
return;
}
}
else
{
solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement);
}
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
extrusionCreationData.SetLocalPlacement(partPlacement);
extrusionCreationData.ReuseLocalPlacement = false;
extrusionCreationData.PossibleExtrusionAxes = ifcExtrusionAxes;
IList <Solid> solids = new List <Solid>();;
IList <Mesh> meshes = new List <Mesh>();
IList <GeometryObject> gObjs = FamilyExporterUtil.RemoveInvisibleSolidsAndMeshes(partElement.Document, exporterIFC, solidMeshInfo.GetSolids(), solidMeshInfo.GetMeshes());
foreach (GeometryObject gObj in gObjs)
{
if (gObj is Solid)
{
solids.Add(gObj as Solid);
}
else if (gObj is Mesh)
{
meshes.Add(gObj as Mesh);
}
}
ElementId catId = CategoryUtil.GetSafeCategoryId(partElement);
ElementId hostCatId = CategoryUtil.GetSafeCategoryId(hostElement);
BodyData bodyData = null;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
if (solids.Count > 0 || meshes.Count > 0)
{
bodyData = BodyExporter.ExportBody(exporterIFC, partElement, catId, ElementId.InvalidElementId, solids, meshes,
bodyExporterOptions, extrusionCreationData);
}
else
{
IList <GeometryObject> geomlist = new List <GeometryObject>();
geomlist.Add(geometryElement);
bodyData = BodyExporter.ExportBody(exporterIFC, partElement, catId, ElementId.InvalidElementId, geomlist,
bodyExporterOptions, extrusionCreationData);
}
IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
extrusionCreationData.ClearOpenings();
return;
}
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
representations.Add(bodyRep);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, Transform.Identity);
if (boundingBoxRep != null)
{
representations.Add(boundingBoxRep);
}
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
string partGUID = GUIDUtil.CreateGUID(partElement);
string ifcEnumType = null;
IFCExportInfoPair exportType = ExporterUtil.GetExportType(exporterIFC, hostElement, out ifcEnumType);
IFCAnyHandle ifcPart = null;
if (!asBuildingElement)
{
ifcPart = IFCInstanceExporter.CreateBuildingElementPart(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep);
}
else
{
switch (exportType.ExportInstance)
{
case IFCEntityType.IfcColumn:
ifcPart = IFCInstanceExporter.CreateColumn(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep, ifcEnumType);
break;
case IFCEntityType.IfcCovering:
ifcPart = IFCInstanceExporter.CreateCovering(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep, ifcEnumType);
break;
case IFCEntityType.IfcFooting:
ifcPart = IFCInstanceExporter.CreateFooting(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep, ifcEnumType);
break;
case IFCEntityType.IfcPile:
ifcPart = IFCInstanceExporter.CreatePile(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep, ifcEnumType, null);
break;
case IFCEntityType.IfcRoof:
ifcPart = IFCInstanceExporter.CreateRoof(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep, ifcEnumType);
break;
case IFCEntityType.IfcSlab:
{
// TODO: fix this elsewhere.
if (ExporterUtil.IsNotDefined(ifcEnumType))
{
if (hostCatId == new ElementId(BuiltInCategory.OST_Floors))
{
ifcEnumType = "FLOOR";
}
else if (hostCatId == new ElementId(BuiltInCategory.OST_Roofs))
{
ifcEnumType = "ROOF";
}
}
ifcPart = IFCInstanceExporter.CreateSlab(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep, ifcEnumType);
}
break;
case IFCEntityType.IfcWall:
ifcPart = IFCInstanceExporter.CreateWall(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep, ifcEnumType);
break;
default:
ifcPart = IFCInstanceExporter.CreateBuildingElementProxy(exporterIFC, partElement, partGUID, ownerHistory,
extrusionCreationData.GetLocalPlacement(), prodRep, exportType.ValidatedPredefinedType);
break;
}
}
bool containedInLevel = standaloneExport;
PlacementSetter whichPlacementSetter = containedInLevel ? standalonePlacementSetter : placementSetter;
productWrapper.AddElement(partElement, ifcPart, whichPlacementSetter, extrusionCreationData, containedInLevel, exportType);
OpeningUtil.CreateOpeningsIfNecessary(ifcPart, partElement, extrusionCreationData, bodyData.OffsetTransform, exporterIFC,
extrusionCreationData.GetLocalPlacement(), whichPlacementSetter, productWrapper);
//Add the exported part to exported cache.
TraceExportedParts(partElement, partExportLevelId, standaloneExport ? ElementId.InvalidElementId : hostElement.Id);
CategoryUtil.CreateMaterialAssociation(exporterIFC, ifcPart, bodyData.MaterialIds);
transaction.Commit();
}
}
}
finally
{
if (standalonePlacementSetter != null)
{
standalonePlacementSetter.Dispose();
}
}
}
/// <summary>
/// Exports an element as IFC railing.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="element">
/// The element to be exported.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void ExportRailing(ExporterIFC exporterIFC, Element element, GeometryElement geomElem, string ifcEnumType, ProductWrapper productWrapper)
{
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcRailing;
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType;
IFCFile file = exporterIFC.GetFile();
Options geomOptions = GeometryUtil.GetIFCExportGeometryOptions();
using (IFCTransaction transaction = new IFCTransaction(file))
{
// Check for containment override
IFCAnyHandle overrideContainerHnd = null;
ElementId overrideContainerId = ParameterUtil.OverrideContainmentParameter(exporterIFC, element, out overrideContainerHnd);
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, null, null, overrideContainerId, overrideContainerHnd))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
IFCAnyHandle localPlacement = setter.LocalPlacement;
StairRampContainerInfo stairRampInfo = null;
ElementId hostId = GetStairOrRampHostId(exporterIFC, element as Railing);
Transform inverseTrf = Transform.Identity;
if (hostId != ElementId.InvalidElementId)
{
stairRampInfo = ExporterCacheManager.StairRampContainerInfoCache.GetStairRampContainerInfo(hostId);
IFCAnyHandle stairRampLocalPlacement = stairRampInfo.LocalPlacements[0];
Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(stairRampLocalPlacement, localPlacement);
inverseTrf = relTrf.Inverse;
IFCAnyHandle railingLocalPlacement = ExporterUtil.CreateLocalPlacement(file, stairRampLocalPlacement,
inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
localPlacement = railingLocalPlacement;
}
ecData.SetLocalPlacement(localPlacement);
SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geomElem);
IList <Solid> solids = solidMeshInfo.GetSolids();
IList <Mesh> meshes = solidMeshInfo.GetMeshes();
IList <GeometryObject> gObjs = FamilyExporterUtil.RemoveInvisibleSolidsAndMeshes(element.Document, exporterIFC, ref solids, ref meshes);
Railing railingElem = element as Railing;
IList <ElementId> subElementIds = CollectSubElements(railingElem);
foreach (ElementId subElementId in subElementIds)
{
Element subElement = railingElem.Document.GetElement(subElementId);
if (subElement != null)
{
GeometryElement allLevelsGeometry = subElement.get_Geometry(geomOptions);
var oneLevelGeom = GeometryUtil.GetOneLevelGeometryElement(allLevelsGeometry, 0);
GeometryElement subElementGeom = oneLevelGeom.element;
// Get rail terminations geometry
List <GeometryElement> overallGeometry = GeometryUtil.GetAdditionalOneLevelGeometry(allLevelsGeometry, oneLevelGeom.symbolId);
overallGeometry.Add(subElementGeom);
foreach (GeometryElement subGeomentry in overallGeometry)
{
SolidMeshGeometryInfo subElementSolidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(subGeomentry);
IList <Solid> subElemSolids = subElementSolidMeshInfo.GetSolids();
IList <Mesh> subElemMeshes = subElementSolidMeshInfo.GetMeshes();
IList <GeometryObject> partGObjs = FamilyExporterUtil.RemoveInvisibleSolidsAndMeshes(element.Document, exporterIFC, ref subElemSolids, ref subElemMeshes);
foreach (Solid subElSolid in subElemSolids)
{
solids.Add(subElSolid);
}
foreach (Mesh subElMesh in subElemMeshes)
{
meshes.Add(subElMesh);
}
}
}
}
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
BodyData bodyData = null;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.Medium);
if (solids.Count > 0 || meshes.Count > 0)
{
bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId, solids, meshes, bodyExporterOptions, ecData);
}
else
{
IList <GeometryObject> geomlist = new List <GeometryObject>();
geomlist.Add(geomElem);
bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId, geomlist, bodyExporterOptions, ecData);
}
IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
if (ecData != null)
{
ecData.ClearOpenings();
}
return;
}
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
representations.Add(bodyRep);
IList <GeometryObject> geomObjects = new List <GeometryObject>(solids);
foreach (Mesh mesh in meshes)
{
geomObjects.Add(mesh);
}
Transform boundingBoxTrf = (bodyData.OffsetTransform != null) ? bodyData.OffsetTransform.Inverse : Transform.Identity;
boundingBoxTrf = inverseTrf.Multiply(boundingBoxTrf);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomObjects, boundingBoxTrf);
if (boundingBoxRep != null)
{
representations.Add(boundingBoxRep);
}
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
string instanceGUID = GUIDUtil.CreateGUID(element);
IFCExportInfoPair exportInfo = ExporterUtil.GetProductExportType(exporterIFC, element, out ifcEnumType);
IFCAnyHandle railing = IFCInstanceExporter.CreateGenericIFCEntity(exportInfo, exporterIFC, element, instanceGUID, ownerHistory,
ecData.GetLocalPlacement(), prodRep);
bool associateToLevel = (hostId == ElementId.InvalidElementId);
productWrapper.AddElement(element, railing, setter, ecData, associateToLevel, exportInfo);
OpeningUtil.CreateOpeningsIfNecessary(railing, element, ecData, bodyData.OffsetTransform,
exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
IFCAnyHandle singleMaterialOverrideHnd = null;
IList <ElementId> matIds = null;
ElementId defaultMatId = ElementId.InvalidElementId;
ElementId matId = CategoryUtil.GetBaseMaterialIdForElement(element);
// Get IfcSingleMaterialOverride to work for railing
singleMaterialOverrideHnd = ExporterUtil.GetSingleMaterial(exporterIFC, element, matId);
if (singleMaterialOverrideHnd != null)
{
matIds = new List <ElementId> {
matId
};
}
else
{
matIds = bodyData.MaterialIds;
defaultMatId = matIds[0];
// Check if all the items are the same, then get the first material id
if (matIds.All(x => x == defaultMatId))
{
matIds = new List <ElementId> {
defaultMatId
};
}
}
CategoryUtil.CreateMaterialAssociationWithShapeAspect(exporterIFC, element, railing, bodyData.RepresentationItemInfo);
// Create multi-story duplicates of this railing.
if (stairRampInfo != null)
{
stairRampInfo.AddComponent(0, railing);
List <IFCAnyHandle> stairHandles = stairRampInfo.StairOrRampHandles;
int levelCount = stairHandles.Count;
if (levelCount > 0 && railingElem != null)
{
Stairs stairs = railingElem.Document.GetElement(railingElem.HostId) as Stairs;
if ((stairs?.MultistoryStairsId ?? ElementId.InvalidElementId) != ElementId.InvalidElementId)
{
// If the railing is hosted by stairs, don't use stairHandles.Count,
// use ids (count) of levels the railing is placed on.
ISet <ElementId> multistoryStairsPlacementLevels = railingElem.GetMultistoryStairsPlacementLevels();
if (multistoryStairsPlacementLevels != null)
{
levelCount = multistoryStairsPlacementLevels.Count;
}
}
}
for (int ii = 1; ii < levelCount; ii++)
{
IFCAnyHandle railingLocalPlacement = stairRampInfo.LocalPlacements[ii];
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(railingLocalPlacement))
{
IFCAnyHandle railingHndCopy = CopyRailingHandle(exporterIFC, element, catId,
railingLocalPlacement, railing, ii);
stairRampInfo.AddComponent(ii, railingHndCopy);
productWrapper.AddElement(element, railingHndCopy, (IFCLevelInfo)null, ecData, false, exportInfo);
CategoryUtil.CreateMaterialAssociationWithShapeAspect(exporterIFC, element, railingHndCopy, bodyData.RepresentationItemInfo);
}
}
ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(hostId, stairRampInfo);
}
}
transaction.Commit();
}
}
}
/// <summary>
/// Creates an opening from a solid.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="hostObjHnd">The host object handle.</param>
/// <param name="hostElement">The host element.</param>
/// <param name="insertElement">The insert element.</param>
/// <param name="openingGUID">The GUID for the opening, depending on how the opening is created.</param>
/// <param name="solid">The solid.</param>
/// <param name="scaledHostWidth">The scaled host width.</param>
/// <param name="isRecess">True if it is recess.</param>
/// <param name="extrusionCreationData">The extrusion creation data.</param>
/// <param name="setter">The placement setter.</param>
/// <param name="localWrapper">The product wrapper.</param>
/// <returns>The created opening handle.</returns>
static public IFCAnyHandle CreateOpening(ExporterIFC exporterIFC, IFCAnyHandle hostObjHnd, Element hostElement, Element insertElement, string openingGUID,
Solid solid, double scaledHostWidth, bool isRecess, IFCExtrusionCreationData extrusionCreationData, PlacementSetter setter, ProductWrapper localWrapper)
{
IFCFile file = exporterIFC.GetFile();
ElementId catId = CategoryUtil.GetSafeCategoryId(insertElement);
XYZ prepToWall;
bool isLinearWall = GetOpeningDirection(hostElement, out prepToWall);
if (isLinearWall)
{
extrusionCreationData.CustomAxis = prepToWall;
extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryCustom;
}
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
BodyData bodyData = BodyExporter.ExportBody(exporterIFC, insertElement, catId, ElementId.InvalidElementId,
solid, bodyExporterOptions, extrusionCreationData);
IFCAnyHandle openingRepHnd = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(openingRepHnd))
{
extrusionCreationData.ClearOpenings();
return(null);
}
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
representations.Add(openingRepHnd);
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle openingPlacement = extrusionCreationData.GetLocalPlacement();
IFCAnyHandle hostObjPlacementHnd = IFCAnyHandleUtil.GetObjectPlacement(hostObjHnd);
Transform relTransform = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(openingPlacement, hostObjPlacementHnd);
openingPlacement = ExporterUtil.CreateLocalPlacement(file, hostObjPlacementHnd,
relTransform.Origin, relTransform.BasisZ, relTransform.BasisX);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
double scaledOpeningLength = extrusionCreationData.ScaledLength;
string openingObjectType = "Opening";
if (!MathUtil.IsAlmostZero(scaledHostWidth) && !MathUtil.IsAlmostZero(scaledOpeningLength))
{
openingObjectType = scaledOpeningLength < (scaledHostWidth - MathUtil.Eps()) ? "Recess" : "Opening";
}
else
{
openingObjectType = isRecess ? "Recess" : "Opening";
}
string openingName = NamingUtil.GetNameOverride(insertElement, null);
if (string.IsNullOrEmpty(openingName))
{
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(hostObjHnd))
{
openingName = IFCAnyHandleUtil.GetStringAttribute(hostObjHnd, "Name");
}
else
{
openingName = NamingUtil.GetNameOverride(hostElement, NamingUtil.CreateIFCObjectName(exporterIFC, hostElement));
}
}
IFCAnyHandle openingHnd = IFCInstanceExporter.CreateOpeningElement(file, openingGUID, ownerHistory, openingName, null,
openingObjectType, openingPlacement, prodRep, null);
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities)
{
PropertyUtil.CreateOpeningQuantities(exporterIFC, openingHnd, extrusionCreationData);
}
if (localWrapper != null)
{
Element elementForProperties = null;
if (GUIDUtil.IsGUIDFor(insertElement, openingGUID))
{
elementForProperties = insertElement;
}
localWrapper.AddElement(insertElement, openingHnd, setter, extrusionCreationData, true);
}
string voidGuid = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null, hostObjHnd, openingHnd);
return(openingHnd);
}
/// <summary>
/// Adds openings to an element.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="elementHandles">The parent handles.</param>
/// <param name="curveLoops">The parent CurveLoops.</param>
/// <param name="element">The element.</param>
/// <param name="lcs">The local coordinate system.</param>
/// <param name="scaledWidth">The width.</param>
/// <param name="range">The range.</param>
/// <param name="setter">The placement setter.</param>
/// <param name="localPlacement">The local placement.</param>
/// <param name="localWrapper">The wrapper.</param>
public static void AddOpeningsToElement(ExporterIFC exporterIFC, IList<IFCAnyHandle> elementHandles,
IList<CurveLoop> curveLoops, Element element, Transform lcs, double scaledWidth,
IFCRange range, PlacementSetter setter, IFCAnyHandle localPlacement, ProductWrapper localWrapper)
{
IList<IFCOpeningData> openingDataList = ExporterIFCUtils.GetOpeningData(exporterIFC, element, lcs, range);
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
foreach (IFCOpeningData openingData in openingDataList)
{
Element openingElem = element.Document.GetElement(openingData.OpeningElementId);
if (openingElem == null)
openingElem = element;
bool currentWallIsHost = false;
FamilyInstance openingFInst = openingElem as FamilyInstance;
if (openingFInst != null && openingFInst.Host != null)
{
if (openingFInst.Host.Id == element.Id)
currentWallIsHost = true;
//continue; // If the host is not the current Wall, skip this opening
}
// Don't export the opening if WallSweep category has been turned off.
// This is currently restricted to WallSweeps because the element responsible for the opening could be a variety of things,
// including a line as part of the elevation profile of the wall.
// As such, we will restrict which element types we check for CanExportElement.
if ((openingElem is WallSweep) && (!ElementFilteringUtil.CanExportElement(exporterIFC, openingElem, true)))
continue;
IList<IFCExtrusionData> extrusionDataList = openingData.GetExtrusionData();
IFCAnyHandle parentHandle = null;
if (elementHandles.Count > 1 && extrusionDataList.Count > 0)
{
parentHandle = FindParentHandle(elementHandles, curveLoops, extrusionDataList[0].GetLoops()[0]);
}
if (parentHandle == null)
parentHandle = elementHandles[0];
bool isDoorOrWindowOpening = IsDoorOrWindowOpening(exporterIFC, openingElem, element);
bool insertHasHost = false;
bool insertInThisHost = false;
if (openingElem is FamilyInstance && element is Wall)
{
string ifcEnumType;
IFCExportInfoPair exportType = ExporterUtil.GetExportType(exporterIFC, openingElem, out ifcEnumType);
Element instHost = (openingElem as FamilyInstance).Host;
insertHasHost = (instHost != null);
insertInThisHost = (insertHasHost && instHost.Id == element.Id);
isDoorOrWindowOpening =
insertInThisHost &&
(exportType.ExportInstance == IFCEntityType.IfcDoor ||
exportType.ExportType == IFCEntityType.IfcDoorType ||
exportType.ExportInstance == IFCEntityType.IfcWindow ||
exportType.ExportType == IFCEntityType.IfcWindowType);
}
if (isDoorOrWindowOpening && currentWallIsHost)
{
DoorWindowDelayedOpeningCreator delayedCreator =
DoorWindowDelayedOpeningCreator.Create(exporterIFC, openingData, scaledWidth, element.Id, parentHandle, setter.LevelId);
if (delayedCreator != null)
{
ExporterCacheManager.DoorWindowDelayedOpeningCreatorCache.Add(delayedCreator);
continue;
}
}
// If the opening is "filled" by another element (either a door or window as
// determined above, or an embedded wall, then we can't use the element GUID
// for the opening.
bool canUseElementGUID = (!insertHasHost || insertInThisHost) &&
!isDoorOrWindowOpening &&
!(openingElem is Wall);
IList<Solid> solids = openingData.GetOpeningSolids();
foreach (Solid solid in solids)
{
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
extrusionCreationData.SetLocalPlacement(ExporterUtil.CreateLocalPlacement(file, localPlacement, null));
extrusionCreationData.ReuseLocalPlacement = true;
string openingGUID = CreateOpeningGUID(openingElem, canUseElementGUID);
canUseElementGUID = false; // Either it was used above, and therefore is now false, or it was already false.
CreateOpening(exporterIFC, parentHandle, element, openingElem, openingGUID, solid, scaledWidth, openingData.IsRecess, extrusionCreationData,
setter, localWrapper);
}
}
foreach (IFCExtrusionData extrusionData in extrusionDataList)
{
if (extrusionData.ScaledExtrusionLength < MathUtil.Eps())
extrusionData.ScaledExtrusionLength = scaledWidth;
string openingGUID = CreateOpeningGUID(openingElem, canUseElementGUID);
canUseElementGUID = false; // Either it was used above, and therefore is now false, or it was already false.
CreateOpening(exporterIFC, parentHandle, localPlacement, element, openingElem, openingGUID, extrusionData, lcs, openingData.IsRecess,
setter, localWrapper);
}
}
}
/// <summary>
/// Exports the top stories of a multistory ramp.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="ramp">The ramp element.</param>
/// <param name="numFlights">The number of flights for a multistory ramp.</param>
/// <param name="rampHnd">The stairs container handle.</param>
/// <param name="components">The components handles.</param>
/// <param name="ecData">The extrusion creation data.</param>
/// <param name="componentECData">The extrusion creation data for the components.</param>
/// <param name="placementSetter">The placement setter.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportMultistoryRamp(ExporterIFC exporterIFC, Element ramp, int numFlights,
IFCAnyHandle rampHnd, IList <IFCAnyHandle> components, IList <IFCExtrusionCreationData> componentECData,
PlacementSetter placementSetter, ProductWrapper productWrapper)
{
if (numFlights < 2)
{
return;
}
double heightNonScaled = GetRampHeight(exporterIFC, ramp);
if (heightNonScaled < MathUtil.Eps())
{
return;
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(rampHnd))
{
return;
}
IFCAnyHandle localPlacement = IFCAnyHandleUtil.GetObjectPlacement(rampHnd);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(localPlacement))
{
return;
}
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle relPlacement = GeometryUtil.GetRelativePlacementFromLocalPlacement(localPlacement);
IFCAnyHandle ptHnd = IFCAnyHandleUtil.GetLocation(relPlacement);
IList <double> origCoords = IFCAnyHandleUtil.GetCoordinates(ptHnd);
IList <IFCAnyHandle> rampLocalPlacementHnds = new List <IFCAnyHandle>();
IList <IFCLevelInfo> levelInfos = new List <IFCLevelInfo>();
for (int ii = 0; ii < numFlights - 1; ii++)
{
IFCAnyHandle newLevelHnd = null;
// We are going to avoid internal scaling routines, and instead scale in .NET.
double newOffsetUnscaled = 0.0;
IFCLevelInfo currLevelInfo =
placementSetter.GetOffsetLevelInfoAndHandle(heightNonScaled * (ii + 1), 1.0, ramp.Document, out newLevelHnd, out newOffsetUnscaled);
double newOffsetScaled = UnitUtil.ScaleLength(newOffsetUnscaled);
levelInfos.Add(currLevelInfo);
if (levelInfos[ii] == null)
{
levelInfos[ii] = placementSetter.LevelInfo;
}
XYZ orig;
if (ptHnd.HasValue)
{
orig = new XYZ(origCoords[0], origCoords[1], newOffsetScaled);
}
else
{
orig = new XYZ(0.0, 0.0, newOffsetScaled);
}
rampLocalPlacementHnds.Add(ExporterUtil.CreateLocalPlacement(file, newLevelHnd, orig, null, null));
}
IList <List <IFCAnyHandle> > newComponents = new List <List <IFCAnyHandle> >();
for (int ii = 0; ii < numFlights - 1; ii++)
{
newComponents.Add(new List <IFCAnyHandle>());
}
int compIdx = 0;
ElementId catId = CategoryUtil.GetSafeCategoryId(ramp);
foreach (IFCAnyHandle component in components)
{
string componentName = IFCAnyHandleUtil.GetStringAttribute(component, "Name");
string componentDescription = IFCAnyHandleUtil.GetStringAttribute(component, "Description");
string componentObjectType = IFCAnyHandleUtil.GetStringAttribute(component, "ObjectType");
string componentElementTag = IFCAnyHandleUtil.GetStringAttribute(component, "Tag");
IFCAnyHandle componentProdRep = IFCAnyHandleUtil.GetInstanceAttribute(component, "Representation");
IList <string> localComponentNames = new List <string>();
IList <IFCAnyHandle> componentPlacementHnds = new List <IFCAnyHandle>();
IFCAnyHandle localLocalPlacement = IFCAnyHandleUtil.GetObjectPlacement(component);
IFCAnyHandle localRelativePlacement =
(localLocalPlacement == null) ? null : IFCAnyHandleUtil.GetInstanceAttribute(localLocalPlacement, "RelativePlacement");
bool isSubRamp = component.IsSubTypeOf(IFCEntityType.IfcRamp.ToString());
for (int ii = 0; ii < numFlights - 1; ii++)
{
localComponentNames.Add((componentName == null) ? (ii + 2).ToString() : (componentName + ":" + (ii + 2)));
if (isSubRamp)
{
componentPlacementHnds.Add(ExporterUtil.CopyLocalPlacement(file, rampLocalPlacementHnds[ii]));
}
else
{
componentPlacementHnds.Add(IFCInstanceExporter.CreateLocalPlacement(file, rampLocalPlacementHnds[ii], localRelativePlacement));
}
}
IList <IFCAnyHandle> localComponentHnds = new List <IFCAnyHandle>();
if (isSubRamp)
{
string componentType = IFCAnyHandleUtil.GetEnumerationAttribute(component, "ShapeType");
string localRampType = GetIFCRampType(componentType);
for (int ii = 0; ii < numFlights - 1; ii++)
{
IFCAnyHandle representationCopy =
ExporterUtil.CopyProductDefinitionShape(exporterIFC, ramp, catId, componentProdRep);
localComponentHnds.Add(IFCInstanceExporter.CreateRamp(file, GUIDUtil.CreateGUID(), ownerHistory,
localComponentNames[ii], componentDescription, componentObjectType, componentPlacementHnds[ii], representationCopy,
componentElementTag, localRampType));
}
}
else if (IFCAnyHandleUtil.IsSubTypeOf(component, IFCEntityType.IfcRampFlight))
{
for (int ii = 0; ii < numFlights - 1; ii++)
{
IFCAnyHandle representationCopy =
ExporterUtil.CopyProductDefinitionShape(exporterIFC, ramp, catId, componentProdRep);
localComponentHnds.Add(IFCInstanceExporter.CreateRampFlight(file, GUIDUtil.CreateGUID(), ownerHistory,
localComponentNames[ii], componentDescription, componentObjectType, componentPlacementHnds[ii], representationCopy,
componentElementTag, "NOTDEFINED"));
}
}
else if (IFCAnyHandleUtil.IsSubTypeOf(component, IFCEntityType.IfcSlab))
{
string componentType = IFCAnyHandleUtil.GetEnumerationAttribute(component, "PredefinedType");
IFCSlabType localLandingType = FloorExporter.GetIFCSlabType(componentType);
for (int ii = 0; ii < numFlights - 1; ii++)
{
IFCAnyHandle representationCopy =
ExporterUtil.CopyProductDefinitionShape(exporterIFC, ramp, catId, componentProdRep);
localComponentHnds.Add(IFCInstanceExporter.CreateSlab(file, GUIDUtil.CreateGUID(), ownerHistory,
localComponentNames[ii], componentDescription, componentObjectType, componentPlacementHnds[ii], representationCopy,
componentElementTag, localLandingType.ToString()));
}
}
else if (IFCAnyHandleUtil.IsSubTypeOf(component, IFCEntityType.IfcMember))
{
for (int ii = 0; ii < numFlights - 1; ii++)
{
IFCAnyHandle representationCopy =
ExporterUtil.CopyProductDefinitionShape(exporterIFC, ramp, catId, componentProdRep);
localComponentHnds.Add(IFCInstanceExporter.CreateMember(file, GUIDUtil.CreateGUID(), ownerHistory,
localComponentNames[ii], componentDescription, componentObjectType, componentPlacementHnds[ii], representationCopy,
componentElementTag, "STRINGER"));
}
}
for (int ii = 0; ii < numFlights - 1; ii++)
{
if (localComponentHnds[ii] != null)
{
newComponents[ii].Add(localComponentHnds[ii]);
productWrapper.AddElement(null, localComponentHnds[ii], levelInfos[ii], componentECData[compIdx], false);
}
}
compIdx++;
}
// finally add a copy of the container.
IList <IFCAnyHandle> rampCopyHnds = new List <IFCAnyHandle>();
for (int ii = 0; ii < numFlights - 1; ii++)
{
string rampName = IFCAnyHandleUtil.GetStringAttribute(rampHnd, "Name");
string rampObjectType = IFCAnyHandleUtil.GetStringAttribute(rampHnd, "ObjectType");
string rampDescription = IFCAnyHandleUtil.GetStringAttribute(rampHnd, "Description");
string rampElementTag = IFCAnyHandleUtil.GetStringAttribute(rampHnd, "Tag");
string rampTypeAsString = IFCAnyHandleUtil.GetEnumerationAttribute(rampHnd, "ShapeType");
string rampType = GetIFCRampType(rampTypeAsString);
string containerRampName = rampName + ":" + (ii + 2);
rampCopyHnds.Add(IFCInstanceExporter.CreateRamp(file, GUIDUtil.CreateGUID(), ownerHistory,
containerRampName, rampDescription, rampObjectType, rampLocalPlacementHnds[ii], null, rampElementTag, rampType));
productWrapper.AddElement(ramp, rampCopyHnds[ii], levelInfos[ii], null, true);
}
for (int ii = 0; ii < numFlights - 1; ii++)
{
StairRampContainerInfo stairRampInfo = new StairRampContainerInfo(rampCopyHnds[ii], newComponents[ii],
rampLocalPlacementHnds[ii]);
ExporterCacheManager.StairRampContainerInfoCache.AppendStairRampContainerInfo(ramp.Id, stairRampInfo);
}
}
/// <summary>
/// Excutes the creator.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="doc">The document.</param>
public void Execute(ExporterIFC exporterIFC, Document doc)
{
IFCAnyHandle hostObjHnd = !IFCAnyHandleUtil.IsNullOrHasNoValue(HostHnd) ? HostHnd :
DoorWindowUtil.GetHndForHostAndLevel(exporterIFC, HostId, LevelId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(hostObjHnd))
{
return;
}
IList <DoorWindowOpeningInfo> doorWindowOpeningInfoList = new List <DoorWindowOpeningInfo>();
Element doorElem = doc.GetElement(InsertId);
string openingGUID = GUIDUtil.CreateSubElementGUID(doorElem, (int)IFCDoorSubElements.DoorOpening);
if (ExtrusionData != null)
{
foreach (IFCExtrusionData extrusionData in ExtrusionData)
{
if (doorWindowOpeningInfoList.Count > 0)
{
openingGUID = GUIDUtil.CreateGUID();
}
DoorWindowOpeningInfo openingInfo = DoorWindowUtil.CreateOpeningForDoorWindow(exporterIFC, doc, hostObjHnd,
HostId, InsertId, openingGUID, extrusionData.GetLoops()[0], extrusionData.ExtrusionDirection,
UnitUtil.UnscaleLength(extrusionData.ScaledExtrusionLength), PosHingeSide, IsRecess);
if (openingInfo != null && !IFCAnyHandleUtil.IsNullOrHasNoValue(openingInfo.OpeningHnd))
{
doorWindowOpeningInfoList.Add(openingInfo);
}
}
}
if (Solids != null)
{
foreach (Solid solid in Solids)
{
if (doorWindowOpeningInfoList.Count > 0)
{
openingGUID = GUIDUtil.CreateGUID();
}
DoorWindowOpeningInfo openingInfo = DoorWindowUtil.CreateOpeningForDoorWindow(exporterIFC, doc, hostObjHnd,
HostId, InsertId, openingGUID, solid, ScaledHostWidth, IsRecess);
if (openingInfo != null && !IFCAnyHandleUtil.IsNullOrHasNoValue(openingInfo.OpeningHnd))
{
doorWindowOpeningInfoList.Add(openingInfo);
}
}
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(DoorWindowHnd))
{
return;
}
bool foundOpening = false;
bool foundHeight = false;
bool foundWidth = false;
bool?isDoorOrWindowOpening = null;
foreach (DoorWindowOpeningInfo openingInfo in doorWindowOpeningInfoList)
{
// If we've updated the door/window placement, and set its height and width, there's nothing more to do here.
if (foundOpening && foundHeight && foundWidth)
{
break;
}
// update original door or window to be relative to the first opening we find.
// We only allow one IfcRelFillsElement per door or window, so only do this for the first opening.
if (!foundOpening)
{
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
IFCAnyHandle openingHnd = openingInfo.OpeningHnd;
foundOpening = true;
string relGUID = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelFillsElement(file, relGUID, ownerHistory, null, null, openingHnd, DoorWindowHnd);
IFCAnyHandle openingPlacement = IFCAnyHandleUtil.GetObjectPlacement(openingHnd);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(openingPlacement))
{
IFCAnyHandle origObjectPlacement = IFCAnyHandleUtil.GetObjectPlacement(DoorWindowHnd);
Transform relTransform = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(origObjectPlacement, openingPlacement);
IFCAnyHandle newLocalPlacement = ExporterUtil.CreateLocalPlacement(file, openingPlacement,
relTransform.Origin, relTransform.BasisZ, relTransform.BasisX);
IFCAnyHandleUtil.SetAttribute(DoorWindowHnd, "ObjectPlacement", newLocalPlacement);
origObjectPlacement.Delete();
}
}
// The first entry for a particular door may not have the height or width set, so keep looking until we find an entry that does.
if (!isDoorOrWindowOpening.HasValue)
{
isDoorOrWindowOpening = IFCAnyHandleUtil.IsTypeOf(DoorWindowHnd, IFCEntityType.IfcDoor) || IFCAnyHandleUtil.IsTypeOf(DoorWindowHnd, IFCEntityType.IfcWindow);
}
if (!(foundHeight && foundWidth) && isDoorOrWindowOpening.Value)
{
double openingHeight = openingInfo.OpeningHeight;
double openingWidth = openingInfo.OpeningWidth;
if (openingHeight > MathUtil.Eps())
{
foundHeight = true;
IFCAnyHandleUtil.SetAttribute(DoorWindowHnd, "OverallHeight", UnitUtil.ScaleLength(openingHeight));
}
if (openingWidth > MathUtil.Eps())
{
foundWidth = true;
IFCAnyHandleUtil.SetAttribute(DoorWindowHnd, "OverallWidth", UnitUtil.ScaleLength(openingWidth));
}
}
}
}
/// <summary>
/// Exports a roof or floor as a container of multiple roof slabs. Returns the handle, if successful.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="element">The roof or floor element.</param>
/// <param name="geometry">The geometry of the element.</param>
/// <param name="productWrapper">The product wrapper.</param>
/// <returns>The roof handle.</returns>
/// <remarks>For floors, if there is only one component, return null, as we do not want to create a container.</remarks>
public static IFCAnyHandle ExportRoofOrFloorAsContainer(ExporterIFC exporterIFC,
Element element, GeometryElement geometry, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
// We support ExtrusionRoofs, FootPrintRoofs, and Floors only.
bool elementIsRoof = (element is ExtrusionRoof) || (element is FootPrintRoof);
bool elementIsFloor = (element is Floor);
if (!elementIsRoof && !elementIsFloor)
{
return(null);
}
string subSlabType = null;
IFCExportInfoPair roofExportType = ExporterUtil.GetProductExportType(exporterIFC, element, out _);
if (roofExportType.IsUnKnown)
{
IFCEntityType elementClassTypeEnum =
elementIsFloor ? IFCEntityType.IfcSlab: IFCEntityType.IfcRoof;
roofExportType = new IFCExportInfoPair(elementClassTypeEnum, "");
}
else
{
if (elementIsFloor)
{
subSlabType = "FLOOR";
}
else if (elementIsRoof)
{
subSlabType = "ROOF";
}
}
// Check the intended IFC entity or type name is in the exclude list specified in the UI
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(roofExportType.ExportType))
{
return(null);
}
Document doc = element.Document;
using (SubTransaction tempPartTransaction = new SubTransaction(doc))
{
using (IFCTransaction transaction = new IFCTransaction(file))
{
MaterialLayerSetInfo layersetInfo = new MaterialLayerSetInfo(exporterIFC, element, productWrapper);
bool hasLayers = false;
if (layersetInfo.MaterialIds.Count > 1)
{
hasLayers = true;
}
bool exportByComponents = ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView && hasLayers;
// Check for containment override
IFCAnyHandle overrideContainerHnd = null;
ElementId overrideContainerId = ParameterUtil.OverrideContainmentParameter(exporterIFC, element, out overrideContainerHnd);
// We want to delay creating entity handles until as late as possible, so that if we abort the IFC transaction,
// we don't have to delete elements. This is both for performance reasons and to potentially extend the number
// of projects that can be exported by reducing (a small amount) of waste.
IList <HostObjectSubcomponentInfo> hostObjectSubcomponents = null;
try
{
hostObjectSubcomponents = ExporterIFCUtils.ComputeSubcomponents(element as HostObject);
}
catch
{
return(null);
}
if (hostObjectSubcomponents == null)
{
return(null);
}
int numSubcomponents = hostObjectSubcomponents.Count;
if (numSubcomponents == 0 || (elementIsFloor && numSubcomponents == 1))
{
return(null);
}
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, null, null, overrideContainerId, overrideContainerHnd))
{
IFCAnyHandle localPlacement = setter.LocalPlacement;
IFCAnyHandle hostObjectHandle = null;
try
{
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
extrusionCreationData.SetLocalPlacement(localPlacement);
extrusionCreationData.ReuseLocalPlacement = true;
using (TransformSetter trfSetter = TransformSetter.Create())
{
IList <GeometryObject> geometryList = new List <GeometryObject>();
geometryList.Add(geometry);
trfSetter.InitializeFromBoundingBox(exporterIFC, geometryList, extrusionCreationData);
IFCAnyHandle prodRepHnd = null;
string elementGUID = GUIDUtil.CreateGUID(element);
hostObjectHandle = IFCInstanceExporter.CreateGenericIFCEntity(
roofExportType, exporterIFC, element, elementGUID, ownerHistory,
localPlacement, prodRepHnd);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(hostObjectHandle))
{
return(null);
}
IList <IFCAnyHandle> elementHandles = new List <IFCAnyHandle>();
elementHandles.Add(hostObjectHandle);
// If element is floor, then the profile curve loop of hostObjectSubComponent is computed from the top face of the floor
// else if element is roof, then the profile curve loop is taken from the bottom face of the roof instead
XYZ extrusionDir = elementIsFloor ? new XYZ(0, 0, -1) : new XYZ(0, 0, 1);
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
IList <IFCAnyHandle> slabHandles = new List <IFCAnyHandle>();
IList <CurveLoop> hostObjectOpeningLoops = new List <CurveLoop>();
double maximumScaledDepth = 0.0;
using (IFCExtrusionCreationData slabExtrusionCreationData = new IFCExtrusionCreationData())
{
slabExtrusionCreationData.SetLocalPlacement(extrusionCreationData.GetLocalPlacement());
slabExtrusionCreationData.ReuseLocalPlacement = false;
slabExtrusionCreationData.ForceOffset = true;
int loopNum = 0;
int subElementStart = elementIsRoof ? (int)IFCRoofSubElements.RoofSlabStart : (int)IFCSlabSubElements.SubSlabStart;
foreach (HostObjectSubcomponentInfo hostObjectSubcomponent in hostObjectSubcomponents)
{
trfSetter.InitializeFromBoundingBox(exporterIFC, geometryList, slabExtrusionCreationData);
Plane plane = hostObjectSubcomponent.GetPlane();
Transform lcs = GeometryUtil.CreateTransformFromPlane(plane);
IList <CurveLoop> curveLoops = new List <CurveLoop>();
CurveLoop slabCurveLoop = hostObjectSubcomponent.GetCurveLoop();
curveLoops.Add(slabCurveLoop);
double slope = Math.Abs(plane.Normal.Z);
double scaledDepth = UnitUtil.ScaleLength(hostObjectSubcomponent.Depth);
double scaledExtrusionDepth = scaledDepth * slope;
IList <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>();
IFCAnyHandle prodDefShape = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
string shapeIdent = "Body";
IFCAnyHandle contextOfItems = exporterIFC.Get3DContextHandle(shapeIdent);
string representationType = ShapeRepresentationType.SweptSolid.ToString();
// Create representation items based on the layers
// Because in this case, the Roof components are not derived from Parts, but by "splitting" geometry part that can be extruded,
// the creation of the Items for IFC4RV will be different by using "manual" split based on the layer thickness
HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>();
if (!exportByComponents)
{
IFCAnyHandle itemShapeRep = ExtrusionExporter.CreateExtrudedSolidFromCurveLoop(exporterIFC, null, curveLoops, lcs, extrusionDir, scaledExtrusionDepth, false);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(itemShapeRep))
{
productWrapper.ClearInternalHandleWrapperData(element);
return(null);
}
ElementId matId = HostObjectExporter.GetFirstLayerMaterialId(element as HostObject);
BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, element.Document, false, itemShapeRep, matId);
bodyItems.Add(itemShapeRep);
}
else
{
double scaleProj = extrusionDir.DotProduct(plane.Normal);
foreach (MaterialLayerSetInfo.MaterialInfo matLayerInfo in layersetInfo.MaterialIds)
{
double itemExtrDepth = matLayerInfo.m_matWidth;
IFCAnyHandle itemShapeRep = ExtrusionExporter.CreateExtrudedSolidFromCurveLoop(exporterIFC, null, curveLoops, lcs, extrusionDir, itemExtrDepth, false);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(itemShapeRep))
{
productWrapper.ClearInternalHandleWrapperData(element);
return(null);
}
BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, element.Document, false, itemShapeRep, matLayerInfo.m_baseMatId);
bodyItems.Add(itemShapeRep);
RepresentationUtil.CreateRepForShapeAspect(exporterIFC, element, prodDefShape, representationType, matLayerInfo.m_layerName, itemShapeRep);
XYZ offset = new XYZ(0, 0, itemExtrDepth / scaleProj); // offset is calculated as extent in the direction of extrusion
lcs.Origin += offset;
}
}
IFCAnyHandle shapeRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, element, catId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null);
shapeReps.Add(shapeRep);
IFCAnyHandleUtil.SetAttribute(prodDefShape, "Representations", shapeReps);
// Allow support for up to 256 named IfcSlab components, as defined in IFCSubElementEnums.cs.
string slabGUID = (loopNum < 256) ? GUIDUtil.CreateSubElementGUID(element, subElementStart + loopNum) : GUIDUtil.CreateGUID();
IFCAnyHandle slabPlacement = ExporterUtil.CreateLocalPlacement(file, slabExtrusionCreationData.GetLocalPlacement(), null);
IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(exporterIFC, element, slabGUID, ownerHistory,
slabPlacement, prodDefShape, subSlabType);
IFCExportInfoPair exportType = new IFCExportInfoPair(IFCEntityType.IfcSlab, subSlabType);
//slab quantities
slabExtrusionCreationData.ScaledLength = scaledExtrusionDepth;
slabExtrusionCreationData.ScaledArea = UnitUtil.ScaleArea(UnitUtil.ScaleArea(hostObjectSubcomponent.AreaOfCurveLoop));
slabExtrusionCreationData.ScaledOuterPerimeter = UnitUtil.ScaleLength(curveLoops[0].GetExactLength());
slabExtrusionCreationData.Slope = UnitUtil.ScaleAngle(MathUtil.SafeAcos(Math.Abs(slope)));
IFCExportInfoPair slabRoofExportType = new IFCExportInfoPair(IFCEntityType.IfcSlab, subSlabType);
productWrapper.AddElement(null, slabHnd, setter, slabExtrusionCreationData, false, slabRoofExportType);
// Create type
IFCAnyHandle slabRoofTypeHnd = ExporterUtil.CreateGenericTypeFromElement(element, slabRoofExportType, exporterIFC.GetFile(), ownerHistory, subSlabType, productWrapper);
ExporterCacheManager.TypeRelationsCache.Add(slabRoofTypeHnd, slabHnd);
elementHandles.Add(slabHnd);
slabHandles.Add(slabHnd);
hostObjectOpeningLoops.Add(slabCurveLoop);
maximumScaledDepth = Math.Max(maximumScaledDepth, scaledDepth);
loopNum++;
ExporterUtil.AddIntoComplexPropertyCache(slabHnd, layersetInfo);
// Create material association here
if (layersetInfo != null && !IFCAnyHandleUtil.IsNullOrHasNoValue(layersetInfo.MaterialLayerSetHandle))
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, slabHnd, layersetInfo.MaterialLayerSetHandle);
}
}
}
productWrapper.AddElement(element, hostObjectHandle, setter, extrusionCreationData, true, roofExportType);
ExporterUtil.RelateObjects(exporterIFC, null, hostObjectHandle, slabHandles);
OpeningUtil.AddOpeningsToElement(exporterIFC, elementHandles, hostObjectOpeningLoops, element, null, maximumScaledDepth,
null, setter, localPlacement, productWrapper);
transaction.Commit();
return(hostObjectHandle);
}
}
}
catch
{
// SOmething wrong with the above process, unable to create the extrusion data. Reset any internal handles that may have been partially created since they are not committed
productWrapper.ClearInternalHandleWrapperData(element);
return(null);
}
finally
{
exporterIFC.ClearFaceWithElementHandleMap();
}
}
}
}
}
/// <summary>
/// Exports a ramp to IfcRamp, without decomposing into separate runs and landings.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="ifcEnumType">The ramp type.</param>
/// <param name="ramp">The ramp element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="numFlights">The number of flights for a multistory ramp.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportRamp(ExporterIFC exporterIFC, string ifcEnumType, Element ramp, GeometryElement geometryElement,
int numFlights, ProductWrapper productWrapper)
{
if (ramp == null || geometryElement == null)
{
return;
}
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcRamp;
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
// TESTING
foreach (GeometryObject geomObj in geometryElement)
{
Visibility visibility = geomObj.Visibility;
}
IFCFile file = exporterIFC.GetFile();
ElementId categoryId = CategoryUtil.GetSafeCategoryId(ramp);
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, ramp))
{
IFCAnyHandle contextOfItemsFootPrint = exporterIFC.Get3DContextHandle("FootPrint");
IFCAnyHandle contextOfItemsAxis = exporterIFC.Get3DContextHandle("Axis");
Transform trf = ExporterIFCUtils.GetUnscaledTransform(exporterIFC, placementSetter.LocalPlacement);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
IList <(Solid body, Face largestTopFace)> rampFlights = null;
IList <Solid> landings = null;
if (IdentifyRampFlightAndLanding(geometryElement, out rampFlights, out landings))
{
string rampGUID = GUIDUtil.CreateGUID(ramp);
IFCAnyHandle rampLocalPlacement = placementSetter.LocalPlacement;
string predefType = "NOTDEFINED"; //Temporary
IFCAnyHandle rampContainerHnd = IFCInstanceExporter.CreateRamp(exporterIFC, ramp, rampGUID, ownerHistory, rampLocalPlacement, null, predefType);
// Create appropriate type
IFCExportInfoPair exportType = new IFCExportInfoPair();
exportType.SetValueWithPair(IFCEntityType.IfcRamp);
IFCAnyHandle rampTypeHnd = ExporterUtil.CreateGenericTypeFromElement(ramp, exportType, exporterIFC.GetFile(), ownerHistory, predefType, productWrapper);
ExporterCacheManager.TypeRelationsCache.Add(rampTypeHnd, rampContainerHnd);
productWrapper.AddElement(ramp, rampContainerHnd, placementSetter.LevelInfo, null, true);
//Breakdown the Ramp into its components: RampFlights and Landings
int rampFlightIndex = 0;
int landingIndex = 0;
HashSet <IFCAnyHandle> rampComponents = new HashSet <IFCAnyHandle>();
foreach ((Solid body, Face topFace)rampFlight in rampFlights)
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.AllowVerticalOffsetOfBReps = false;
ecData.SetLocalPlacement(ExporterUtil.CreateLocalPlacement(file, placementSetter.LocalPlacement, null));
ecData.ReuseLocalPlacement = true;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
BodyData bodyData = BodyExporter.ExportBody(exporterIFC, ramp, categoryId, ElementId.InvalidElementId, rampFlight.body, bodyExporterOptions, ecData);
IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
ecData.ClearOpenings();
continue;
}
IList <IFCAnyHandle> reps = new List <IFCAnyHandle>();
reps.Add(bodyRep);
//if (!ExporterCacheManager.ExportOptionsCache.ExportAsCoordinationView2)
//{
// CreateWalkingLineAndFootprint(exporterIFC, run, bodyData, categoryId, trf, ref reps);
//}
Transform boundingBoxTrf = (bodyData.OffsetTransform == null) ? Transform.Identity : bodyData.OffsetTransform.Inverse;
IList <GeometryObject> solidList = new List <GeometryObject>();
solidList.Add(rampFlight.body);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, solidList, boundingBoxTrf);
if (boundingBoxRep != null)
{
reps.Add(boundingBoxRep);
}
IFCAnyHandle representation = IFCInstanceExporter.CreateProductDefinitionShape(exporterIFC.GetFile(), null, null, reps);
rampFlightIndex++;
string flightGUID = GUIDUtil.CreateSubElementGUID(ramp, rampFlightIndex);
string origFlightName = IFCAnyHandleUtil.GetStringAttribute(rampContainerHnd, "Name") + " " + rampFlightIndex;
string flightName = NamingUtil.GetOverrideStringValue(ramp, "IfcRampFlight.Name (" + rampFlightIndex + ")", origFlightName);
IFCAnyHandle flightLocalPlacement = ecData.GetLocalPlacement();
string flightPredefType = NamingUtil.GetOverrideStringValue(ramp, "IfcRampFlight.PredefinedType (" + rampFlightIndex + ")", null);
IFCAnyHandle rampFlightHnd = IFCInstanceExporter.CreateRampFlight(exporterIFC, null, flightGUID, ownerHistory, flightLocalPlacement,
representation, flightPredefType);
IFCAnyHandleUtil.OverrideNameAttribute(rampFlightHnd, flightName);
rampComponents.Add(rampFlightHnd);
// Create type
IFCExportInfoPair flightEportType = new IFCExportInfoPair();
flightEportType.SetValueWithPair(IFCEntityType.IfcRampFlight);
IFCAnyHandle flightTypeHnd = IFCInstanceExporter.CreateGenericIFCType(flightEportType, null, exporterIFC.GetFile(), null, null, flightPredefType);
IFCAnyHandleUtil.OverrideNameAttribute(flightTypeHnd, flightName);
ExporterCacheManager.TypeRelationsCache.Add(flightTypeHnd, rampFlightHnd);
CategoryUtil.CreateMaterialAssociation(exporterIFC, rampFlightHnd, bodyData.MaterialIds);
IFCAnyHandle psetRampFlightCommonHnd = CreatePSetRampFlightCommon(exporterIFC, file, ramp, rampFlightIndex, rampFlight.topFace);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(psetRampFlightCommonHnd))
{
HashSet <IFCAnyHandle> relatedObjects = new HashSet <IFCAnyHandle>()
{
rampFlightHnd
};
ExporterUtil.CreateRelDefinesByProperties(file, GUIDUtil.CreateGUID(), ownerHistory, null, null, relatedObjects, psetRampFlightCommonHnd);
}
}
}
foreach (Solid landing in landings)
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.AllowVerticalOffsetOfBReps = false;
ecData.SetLocalPlacement(ExporterUtil.CreateLocalPlacement(file, placementSetter.LocalPlacement, null));
ecData.ReuseLocalPlacement = true;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
BodyData bodyData = BodyExporter.ExportBody(exporterIFC, ramp, categoryId, ElementId.InvalidElementId, landing, bodyExporterOptions, ecData);
IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
ecData.ClearOpenings();
continue;
}
IList <IFCAnyHandle> reps = new List <IFCAnyHandle>();
reps.Add(bodyRep);
//if (!ExporterCacheManager.ExportOptionsCache.ExportAsCoordinationView2)
//{
// CreateWalkingLineAndFootprint(exporterIFC, run, bodyData, categoryId, trf, ref reps);
//}
Transform boundingBoxTrf = (bodyData.OffsetTransform == null) ? Transform.Identity : bodyData.OffsetTransform.Inverse;
IList <GeometryObject> solidList = new List <GeometryObject>();
solidList.Add(landing);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, solidList, boundingBoxTrf);
if (boundingBoxRep != null)
{
reps.Add(boundingBoxRep);
}
IFCAnyHandle representation = IFCInstanceExporter.CreateProductDefinitionShape(exporterIFC.GetFile(), null, null, reps);
landingIndex++;
string landingGUID = GUIDUtil.CreateSubElementGUID(ramp, landingIndex);
string origLandingName = IFCAnyHandleUtil.GetStringAttribute(rampContainerHnd, "Name") + " " + landingIndex;
string landingName = NamingUtil.GetOverrideStringValue(ramp, "IfcRampLanding.Name (" + landingIndex + ")", origLandingName);
IFCAnyHandle landingLocalPlacement = ecData.GetLocalPlacement();
string landingPredefType = "LANDING";
IFCAnyHandle rampLandingHnd = IFCInstanceExporter.CreateSlab(exporterIFC, ramp, landingGUID, ownerHistory, landingLocalPlacement,
representation, landingPredefType);
IFCAnyHandleUtil.OverrideNameAttribute(rampLandingHnd, landingName);
rampComponents.Add(rampLandingHnd);
// Create type
IFCExportInfoPair landingEportType = new IFCExportInfoPair();
landingEportType.SetValueWithPair(IFCEntityType.IfcSlab);
IFCAnyHandle landingTypeHnd = IFCInstanceExporter.CreateGenericIFCType(landingEportType, null, exporterIFC.GetFile(), null, null, landingPredefType);
IFCAnyHandleUtil.OverrideNameAttribute(landingTypeHnd, landingName);
ExporterCacheManager.TypeRelationsCache.Add(landingTypeHnd, rampLandingHnd);
CategoryUtil.CreateMaterialAssociation(exporterIFC, rampLandingHnd, bodyData.MaterialIds);
IFCAnyHandle psetSlabCommonHnd = CreatePSetRampLandingCommon(exporterIFC, file, ramp, landingIndex);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(psetSlabCommonHnd))
{
HashSet <IFCAnyHandle> relatedObjects = new HashSet <IFCAnyHandle>()
{
rampLandingHnd
};
ExporterUtil.CreateRelDefinesByProperties(file, GUIDUtil.CreateGUID(), ownerHistory, null, null, relatedObjects, psetSlabCommonHnd);
}
}
}
if (rampComponents.Count > 0)
{
IFCInstanceExporter.CreateRelAggregates(file, GUIDUtil.CreateGUID(), ownerHistory, null, null, rampContainerHnd, rampComponents);
}
}
else
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(placementSetter.LocalPlacement);
ecData.ReuseLocalPlacement = false;
GeometryElement rampGeom = GeometryUtil.GetOneLevelGeometryElement(geometryElement, numFlights);
BodyData bodyData;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
ramp, categoryId, rampGeom, bodyExporterOptions, null, ecData, out bodyData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
{
ecData.ClearOpenings();
return;
}
string containedRampGuid = GUIDUtil.CreateSubElementGUID(ramp, (int)IFCRampSubElements.ContainedRamp);
IFCAnyHandle containedRampLocalPlacement = ExporterUtil.CreateLocalPlacement(file, ecData.GetLocalPlacement(), null);
string rampType = GetIFCRampType(ifcEnumType);
List <IFCAnyHandle> components = new List <IFCAnyHandle>();
IList <IFCExtrusionCreationData> componentExtrusionData = new List <IFCExtrusionCreationData>();
IFCAnyHandle containedRampHnd = IFCInstanceExporter.CreateRamp(exporterIFC, ramp, containedRampGuid, ownerHistory,
containedRampLocalPlacement, representation, rampType);
components.Add(containedRampHnd);
componentExtrusionData.Add(ecData);
//productWrapper.AddElement(containedRampHnd, placementSetter.LevelInfo, ecData, false);
CategoryUtil.CreateMaterialAssociation(exporterIFC, containedRampHnd, bodyData.MaterialIds);
string guid = GUIDUtil.CreateGUID(ramp);
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
IFCAnyHandle rampHnd = IFCInstanceExporter.CreateRamp(exporterIFC, ramp, guid, ownerHistory,
localPlacement, null, rampType);
productWrapper.AddElement(ramp, rampHnd, placementSetter.LevelInfo, ecData, true);
StairRampContainerInfo stairRampInfo = new StairRampContainerInfo(rampHnd, components, localPlacement);
ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(ramp.Id, stairRampInfo);
ExportMultistoryRamp(exporterIFC, ramp, numFlights, rampHnd, components, componentExtrusionData, placementSetter,
productWrapper);
}
}
}
tr.Commit();
}
}
/// <summary>
/// Exports a ramp to IfcRamp, without decomposing into separate runs and landings.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="ifcEnumType">The ramp type.</param>
/// <param name="ramp">The ramp element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="numFlights">The number of flights for a multistory ramp.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportRamp(ExporterIFC exporterIFC, string ifcEnumType, Element ramp, GeometryElement geometryElement,
int numFlights, ProductWrapper productWrapper)
{
if (ramp == null || geometryElement == null)
{
return;
}
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcRamp;
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, ramp))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(placementSetter.LocalPlacement);
ecData.ReuseLocalPlacement = false;
GeometryElement rampGeom = GeometryUtil.GetOneLevelGeometryElement(geometryElement, numFlights);
BodyData bodyData;
ElementId categoryId = CategoryUtil.GetSafeCategoryId(ramp);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
ramp, categoryId, rampGeom, bodyExporterOptions, null, ecData, out bodyData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
{
ecData.ClearOpenings();
return;
}
string containedRampGuid = GUIDUtil.CreateSubElementGUID(ramp, (int)IFCRampSubElements.ContainedRamp);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
IFCAnyHandle containedRampLocalPlacement = ExporterUtil.CreateLocalPlacement(file, ecData.GetLocalPlacement(), null);
string rampType = ifcEnumType;
List <IFCAnyHandle> components = new List <IFCAnyHandle>();
IList <IFCExtrusionCreationData> componentExtrusionData = new List <IFCExtrusionCreationData>();
IFCAnyHandle containedRampHnd = IFCInstanceExporter.CreateRamp(exporterIFC, ramp, containedRampGuid, ownerHistory,
containedRampLocalPlacement, representation, rampType);
components.Add(containedRampHnd);
componentExtrusionData.Add(ecData);
//productWrapper.AddElement(containedRampHnd, placementSetter.LevelInfo, ecData, false);
CategoryUtil.CreateMaterialAssociation(exporterIFC, containedRampHnd, bodyData.MaterialIds);
string guid = GUIDUtil.CreateGUID(ramp);
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
IFCAnyHandle rampHnd = IFCInstanceExporter.CreateRamp(exporterIFC, ramp, guid, ownerHistory,
localPlacement, null, rampType);
productWrapper.AddElement(ramp, rampHnd, placementSetter.LevelInfo, ecData, true);
StairRampContainerInfo stairRampInfo = new StairRampContainerInfo(rampHnd, components, localPlacement);
ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(ramp.Id, stairRampInfo);
ExportMultistoryRamp(exporterIFC, ramp, numFlights, rampHnd, components, componentExtrusionData, placementSetter,
productWrapper);
}
tr.Commit();
}
}
}
/// <summary>
/// Adds openings to an element.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="elementHandles">The parent handles.</param>
/// <param name="curveLoops">The parent CurveLoops.</param>
/// <param name="element">The element.</param>
/// <param name="lcs">The local coordinate system.</param>
/// <param name="scaledWidth">The width.</param>
/// <param name="range">The range.</param>
/// <param name="setter">The placement setter.</param>
/// <param name="localPlacement">The local placement.</param>
/// <param name="localWrapper">The wrapper.</param>
public static void AddOpeningsToElement(ExporterIFC exporterIFC,
IList <IFCAnyHandle> elementHandles, IList <CurveLoop> curveLoops, Element element,
Transform lcs, double scaledWidth, IFCRange range, PlacementSetter setter,
IFCAnyHandle localPlacement, ProductWrapper localWrapper)
{
if (lcs == null && ((curveLoops?.Count ?? 0) > 0))
{
// assumption: first curve loop defines the plane.
Plane hostObjPlane = curveLoops[0].HasPlane() ? curveLoops[0].GetPlane(): null;
if (hostObjPlane != null)
{
lcs = GeometryUtil.CreateTransformFromPlane(hostObjPlane);
}
}
IList <IFCOpeningData> openingDataList = ExporterIFCUtils.GetOpeningData(exporterIFC,
element, lcs, range);
IFCFile file = exporterIFC.GetFile();
int openingIndex = 0;
foreach (IFCOpeningData openingData in openingDataList)
{
openingIndex++;
Element openingElem = element.Document.GetElement(openingData.OpeningElementId);
if (openingElem == null)
{
openingElem = element;
}
bool currentWallIsHost = false;
FamilyInstance openingFInst = openingElem as FamilyInstance;
if (openingFInst != null && openingFInst.Host != null)
{
if (openingFInst.Host.Id == element.Id)
{
currentWallIsHost = true;
}
}
// Don't export the opening if WallSweep category has been turned off.
// This is currently restricted to WallSweeps because the element responsible for the opening could be a variety of things,
// including a line as part of the elevation profile of the wall.
// As such, we will restrict which element types we check for CanExportElement.
if ((openingElem is WallSweep) &&
(!ElementFilteringUtil.CanExportElement(exporterIFC, openingElem, true)))
{
continue;
}
IList <IFCExtrusionData> extrusionDataList = openingData.GetExtrusionData();
IFCAnyHandle parentHandle = FindParentHandle(elementHandles, curveLoops, extrusionDataList);
string predefinedType;
IFCExportInfoPair exportType = ExporterUtil.GetProductExportType(exporterIFC,
openingElem, out predefinedType);
bool exportingDoorOrWindow = (exportType.ExportInstance == IFCEntityType.IfcDoor ||
exportType.ExportType == IFCEntityType.IfcDoorType ||
exportType.ExportInstance == IFCEntityType.IfcWindow ||
exportType.ExportType == IFCEntityType.IfcWindowType);
bool isDoorOrWindowOpening = IsDoorOrWindowOpening(openingElem, element,
exportingDoorOrWindow);
if (isDoorOrWindowOpening && currentWallIsHost)
{
DoorWindowDelayedOpeningCreator delayedCreator =
DoorWindowDelayedOpeningCreator.Create(exporterIFC, openingData, scaledWidth,
element.Id, parentHandle, setter.LevelId);
if (delayedCreator != null)
{
ExporterCacheManager.DoorWindowDelayedOpeningCreatorCache.Add(delayedCreator);
continue;
}
}
IList <Solid> solids = openingData.GetOpeningSolids();
int solidIndex = 0;
foreach (Solid solid in solids)
{
solidIndex++;
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
extrusionCreationData.SetLocalPlacement(ExporterUtil.CreateLocalPlacement(file, localPlacement, null));
extrusionCreationData.ReuseLocalPlacement = true;
string openingGUID = CreateOpeningGUID(openingElem, range, openingIndex, solidIndex);
CreateOpening(exporterIFC, parentHandle, element, openingElem, openingGUID, solid, scaledWidth, openingData.IsRecess, extrusionCreationData,
setter, localWrapper);
}
}
foreach (IFCExtrusionData extrusionData in extrusionDataList)
{
solidIndex++;
if (extrusionData.ScaledExtrusionLength < MathUtil.Eps())
{
extrusionData.ScaledExtrusionLength = scaledWidth;
}
string openingGUID = CreateOpeningGUID(openingElem, range, openingIndex, solidIndex);
CreateOpening(exporterIFC, parentHandle, localPlacement, element, openingElem,
openingGUID, extrusionData, lcs, openingData.IsRecess, setter, localWrapper);
}
}
}
/// <summary>
/// Excutes the creator.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="doc">The document.</param>
public void Execute(ExporterIFC exporterIFC, Document doc)
{
IFCAnyHandle hostObjHnd = !IFCAnyHandleUtil.IsNullOrHasNoValue(HostHnd) ? HostHnd :
DoorWindowUtil.GetHndForHostAndLevel(exporterIFC, HostId, LevelId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(hostObjHnd))
{
return;
}
IList <DoorWindowOpeningInfo> doorWindowOpeningInfoList = new List <DoorWindowOpeningInfo>();
Element doorElem = doc.GetElement(InsertId);
string openingGUID = GUIDUtil.CreateSubElementGUID(doorElem, (int)IFCDoorSubElements.DoorOpening);
if (ExtrusionData != null)
{
foreach (IFCExtrusionData extrusionData in ExtrusionData)
{
if (doorWindowOpeningInfoList.Count > 0)
{
openingGUID = GUIDUtil.CreateGUID();
}
DoorWindowOpeningInfo openingInfo = DoorWindowUtil.CreateOpeningForDoorWindow(exporterIFC, doc, hostObjHnd,
HostId, InsertId, openingGUID, extrusionData.GetLoops()[0], extrusionData.ExtrusionDirection,
UnitUtil.UnscaleLength(extrusionData.ScaledExtrusionLength), PosHingeSide, IsRecess);
if (openingInfo != null && !IFCAnyHandleUtil.IsNullOrHasNoValue(openingInfo.OpeningHnd))
{
doorWindowOpeningInfoList.Add(openingInfo);
}
}
}
if (Solids != null)
{
foreach (Solid solid in Solids)
{
if (doorWindowOpeningInfoList.Count > 0)
{
openingGUID = GUIDUtil.CreateGUID();
}
DoorWindowOpeningInfo openingInfo = DoorWindowUtil.CreateOpeningForDoorWindow(exporterIFC, doc, hostObjHnd,
HostId, InsertId, openingGUID, solid, ScaledHostWidth, IsRecess);
if (openingInfo != null && !IFCAnyHandleUtil.IsNullOrHasNoValue(openingInfo.OpeningHnd))
{
doorWindowOpeningInfoList.Add(openingInfo);
}
}
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(DoorWindowHnd))
{
return;
}
foreach (DoorWindowOpeningInfo openingInfo in doorWindowOpeningInfoList)
{
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
IFCAnyHandle openingHnd = openingInfo.OpeningHnd;
double openingHeight = openingInfo.OpeningHeight;
double openingWidth = openingInfo.OpeningWidth;
// update original door.
string relGUID = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelFillsElement(file, relGUID, ownerHistory, null, null, openingHnd, DoorWindowHnd);
IFCAnyHandle openingPlacement = IFCAnyHandleUtil.GetObjectPlacement(openingHnd);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(openingPlacement))
{
IFCAnyHandle origObjectPlacement = IFCAnyHandleUtil.GetObjectPlacement(DoorWindowHnd);
Transform relTransform = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(origObjectPlacement, openingPlacement);
IFCAnyHandle newLocalPlacement = ExporterUtil.CreateLocalPlacement(file, openingPlacement,
relTransform.Origin, relTransform.BasisZ, relTransform.BasisX);
IFCAnyHandleUtil.SetAttribute(DoorWindowHnd, "ObjectPlacement", newLocalPlacement);
origObjectPlacement.Delete();
}
if (IFCAnyHandleUtil.IsTypeOf(DoorWindowHnd, IFCEntityType.IfcDoor) ||
IFCAnyHandleUtil.IsTypeOf(DoorWindowHnd, IFCEntityType.IfcWindow))
{
if (openingHeight > MathUtil.Eps())
{
IFCAnyHandleUtil.SetAttribute(DoorWindowHnd, "OverallHeight", UnitUtil.ScaleLength(openingHeight));
}
if (openingWidth > MathUtil.Eps())
{
IFCAnyHandleUtil.SetAttribute(DoorWindowHnd, "OverallWidth", UnitUtil.ScaleLength(openingWidth));
}
}
}
}
/// <summary>
/// Export the individual part (IfcBuildingElementPart).
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="partElement">The part element to export.</param>
/// <param name="geometryElement">The geometry of part.</param>
/// <param name="productWrapper">The ProductWrapper object.</param>
public static void ExportPart(ExporterIFC exporterIFC, Element partElement, ProductWrapper productWrapper,
PlacementSetter placementSetter, IFCAnyHandle originalPlacement, IFCRange range, IFCExtrusionAxes ifcExtrusionAxes,
Element hostElement, ElementId overrideLevelId, bool asBuildingElement)
{
if (!ElementFilteringUtil.IsElementVisible(partElement))
{
return;
}
Part part = partElement as Part;
if (part == null)
{
return;
}
if (!asBuildingElement)
{
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum;
if (Enum.TryParse <Common.Enums.IFCEntityType>("IfcBuildingElementPart", out elementClassTypeEnum))
{
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
}
}
else
{
string ifcEnumType = null;
IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, hostElement, out ifcEnumType);
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum;
if (Enum.TryParse <Common.Enums.IFCEntityType>(exportType.ToString(), out elementClassTypeEnum))
{
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
}
}
PlacementSetter standalonePlacementSetter = null;
bool standaloneExport = hostElement == null && !asBuildingElement;
ElementId partExportLevel = null;
if (standaloneExport || asBuildingElement)
{
partExportLevel = partElement.LevelId;
}
else
{
if (part.OriginalCategoryId != hostElement.Category.Id)
{
return;
}
partExportLevel = hostElement.LevelId;
}
if (overrideLevelId != null)
{
partExportLevel = overrideLevelId;
}
if (ExporterCacheManager.PartExportedCache.HasExported(partElement.Id, partExportLevel))
{
return;
}
Options options = GeometryUtil.GetIFCExportGeometryOptions();
View ownerView = partElement.Document.GetElement(partElement.OwnerViewId) as View;
if (ownerView != null)
{
options.View = ownerView;
}
GeometryElement geometryElement = partElement.get_Geometry(options);
if (geometryElement == null)
{
return;
}
try
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
IFCAnyHandle partPlacement = null;
if (standaloneExport || asBuildingElement)
{
Transform orientationTrf = Transform.Identity;
standalonePlacementSetter = PlacementSetter.Create(exporterIFC, partElement, null, orientationTrf, partExportLevel);
partPlacement = standalonePlacementSetter.LocalPlacement;
}
else
{
partPlacement = ExporterUtil.CreateLocalPlacement(file, originalPlacement, null);
}
bool validRange = (range != null && !MathUtil.IsAlmostZero(range.Start - range.End));
SolidMeshGeometryInfo solidMeshInfo;
if (validRange)
{
solidMeshInfo = GeometryUtil.GetSplitClippedSolidMeshGeometry(geometryElement, range);
if (solidMeshInfo.GetSolids().Count == 0 && solidMeshInfo.GetMeshes().Count == 0)
{
return;
}
}
else
{
solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement);
}
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
extrusionCreationData.SetLocalPlacement(partPlacement);
extrusionCreationData.ReuseLocalPlacement = false;
extrusionCreationData.PossibleExtrusionAxes = ifcExtrusionAxes;
IList <Solid> solids = solidMeshInfo.GetSolids();
IList <Mesh> meshes = solidMeshInfo.GetMeshes();
ElementId catId = CategoryUtil.GetSafeCategoryId(partElement);
ElementId hostCatId = CategoryUtil.GetSafeCategoryId(hostElement);
BodyData bodyData = null;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
if (solids.Count > 0 || meshes.Count > 0)
{
bodyData = BodyExporter.ExportBody(exporterIFC, partElement, catId, ElementId.InvalidElementId, solids, meshes,
bodyExporterOptions, extrusionCreationData);
}
else
{
IList <GeometryObject> geomlist = new List <GeometryObject>();
geomlist.Add(geometryElement);
bodyData = BodyExporter.ExportBody(exporterIFC, partElement, catId, ElementId.InvalidElementId, geomlist,
bodyExporterOptions, extrusionCreationData);
}
IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
extrusionCreationData.ClearOpenings();
return;
}
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
representations.Add(bodyRep);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, Transform.Identity);
if (boundingBoxRep != null)
{
representations.Add(boundingBoxRep);
}
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
string partGUID = GUIDUtil.CreateGUID(partElement);
string partName = NamingUtil.GetNameOverride(partElement, NamingUtil.GetIFCName(partElement));
string partDescription = NamingUtil.GetDescriptionOverride(partElement, null);
string partObjectType = NamingUtil.GetObjectTypeOverride(partElement, NamingUtil.CreateIFCObjectName(exporterIFC, partElement));
string partTag = NamingUtil.GetTagOverride(partElement, NamingUtil.CreateIFCElementId(partElement));
IFCAnyHandle ifcPart = null;
if (!asBuildingElement)
{
ifcPart = IFCInstanceExporter.CreateBuildingElementPart(file, partGUID, ownerHistory, partName, partDescription,
partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag);
}
else
{
string ifcEnumType = null;
IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, hostElement, out ifcEnumType);
string defaultValue = null;
// This replicates old functionality before IFC4 addition, where the default for slab was "FLOOR".
// Really the export layer table should be fixed for this case.
if (string.IsNullOrWhiteSpace(ifcEnumType) && hostCatId == new ElementId(BuiltInCategory.OST_Floors))
{
ifcEnumType = "FLOOR";
}
ifcEnumType = IFCValidateEntry.GetValidIFCType(hostElement, ifcEnumType, defaultValue);
switch (exportType)
{
case IFCExportType.IfcColumnType:
ifcPart = IFCInstanceExporter.CreateColumn(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType);
break;
case IFCExportType.IfcCovering:
ifcPart = IFCInstanceExporter.CreateCovering(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType);
break;
case IFCExportType.IfcFooting:
ifcPart = IFCInstanceExporter.CreateFooting(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType);
break;
case IFCExportType.IfcPile:
ifcPart = IFCInstanceExporter.CreatePile(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType, null);
break;
case IFCExportType.IfcRoof:
ifcPart = IFCInstanceExporter.CreateRoof(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType);
break;
case IFCExportType.IfcSlab:
ifcPart = IFCInstanceExporter.CreateSlab(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType);
break;
case IFCExportType.IfcWall:
ifcPart = IFCInstanceExporter.CreateWall(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType);
break;
default:
ifcPart = IFCInstanceExporter.CreateBuildingElementProxy(file, partGUID, ownerHistory, partName, partDescription,
partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag, null);
break;
}
}
bool containedInLevel = (standaloneExport || asBuildingElement);
PlacementSetter whichPlacementSetter = containedInLevel ? standalonePlacementSetter : placementSetter;
productWrapper.AddElement(partElement, ifcPart, whichPlacementSetter, extrusionCreationData, containedInLevel);
OpeningUtil.CreateOpeningsIfNecessary(ifcPart, partElement, extrusionCreationData, bodyData.OffsetTransform, exporterIFC,
extrusionCreationData.GetLocalPlacement(), whichPlacementSetter, productWrapper);
//Add the exported part to exported cache.
TraceExportedParts(partElement, partExportLevel, standaloneExport || asBuildingElement ? ElementId.InvalidElementId : hostElement.Id);
CategoryUtil.CreateMaterialAssociation(exporterIFC, ifcPart, bodyData.MaterialIds);
transaction.Commit();
}
}
}
finally
{
if (standalonePlacementSetter != null)
{
standalonePlacementSetter.Dispose();
}
}
}
/// <summary>
/// Exports mullion.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="mullion">
/// The mullion object.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="localPlacement">
/// The local placement handle.
/// </param>
/// <param name="setter">
/// The PlacementSetter.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void Export(ExporterIFC exporterIFC, Mullion mullion, GeometryElement geometryElement,
IFCAnyHandle localPlacement, PlacementSetter setter, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
using (PlacementSetter mullionSetter = PlacementSetter.Create(exporterIFC, mullion))
{
using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
{
IFCAnyHandle mullionPlacement = mullionSetter.LocalPlacement;
Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(localPlacement, mullionPlacement);
Transform inverseTrf = relTrf.Inverse;
IFCAnyHandle mullionLocalPlacement = ExporterUtil.CreateLocalPlacement(file, localPlacement,
inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
extraParams.SetLocalPlacement(mullionLocalPlacement);
Transform extrusionLCS = null;
// Add a custom direction for trying to create an extrusion based on the base curve of the mullion, if it is a line and not an arc.
Curve baseCurve = mullion.LocationCurve;
if ((baseCurve != null) && (baseCurve is Line))
{
// We won't use curveBounds and origin yet; just need the axis for now.
IFCRange curveBounds;
XYZ origin, mullionDirection;
GeometryUtil.GetAxisAndRangeFromCurve(baseCurve, out curveBounds, out mullionDirection, out origin);
// approx 1.0/sqrt(2.0)
XYZ planeY = (Math.Abs(mullionDirection.Z) < 0.707) ? XYZ.BasisZ.CrossProduct(mullionDirection) : XYZ.BasisX.CrossProduct(mullionDirection);
planeY.Normalize();
XYZ projDir = mullionDirection.CrossProduct(planeY);
extrusionLCS = Transform.Identity;
extrusionLCS.BasisX = mullionDirection; extrusionLCS.BasisY = planeY; extrusionLCS.BasisZ = projDir; extrusionLCS.Origin = origin;
}
ElementId catId = CategoryUtil.GetSafeCategoryId(mullion);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
bodyExporterOptions.ExtrusionLocalCoordinateSystem = extrusionLCS;
IFCAnyHandle repHnd = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, mullion, catId,
geometryElement, bodyExporterOptions, null, extraParams, true);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
{
extraParams.ClearOpenings();
return;
}
string elemGUID = GUIDUtil.CreateGUID(mullion);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string elemObjectType = NamingUtil.CreateIFCObjectName(exporterIFC, mullion);
string name = NamingUtil.GetNameOverride(mullion, elemObjectType);
string description = NamingUtil.GetDescriptionOverride(mullion, null);
string objectType = NamingUtil.GetObjectTypeOverride(mullion, elemObjectType);
string elemTag = NamingUtil.GetTagOverride(mullion, NamingUtil.CreateIFCElementId(mullion));
IFCAnyHandle mullionHnd = IFCInstanceExporter.CreateMember(file, elemGUID, ownerHistory, name, description, objectType,
mullionLocalPlacement, repHnd, elemTag, "MULLION");
ExporterCacheManager.HandleToElementCache.Register(mullionHnd, mullion.Id);
productWrapper.AddElement(mullion, mullionHnd, mullionSetter, extraParams, false);
ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, mullion);
CategoryUtil.CreateMaterialAssociation(exporterIFC, mullionHnd, matId);
}
}
}
/// <summary>
/// Exports a ramp to IfcRamp, without decomposing into separate runs and landings.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="ifcEnumType">The ramp type.</param>
/// <param name="ramp">The ramp element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="numFlights">The number of flights for a multistory ramp.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportRamp(ExporterIFC exporterIFC, string ifcEnumType, Element ramp, GeometryElement geometryElement,
int numFlights, ProductWrapper productWrapper)
{
if (ramp == null || geometryElement == null)
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, ramp))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(placementSetter.LocalPlacement);
ecData.ReuseLocalPlacement = false;
GeometryElement rampGeom = GeometryUtil.GetOneLevelGeometryElement(geometryElement, numFlights);
BodyData bodyData;
ElementId categoryId = CategoryUtil.GetSafeCategoryId(ramp);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions();
IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
ramp, categoryId, rampGeom, bodyExporterOptions, null, ecData, out bodyData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
{
ecData.ClearOpenings();
return;
}
string containedRampGuid = GUIDUtil.CreateSubElementGUID(ramp, (int)IFCRampSubElements.ContainedRamp);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string rampName = NamingUtil.GetNameOverride(ramp, NamingUtil.GetIFCName(ramp));
string rampDescription = NamingUtil.GetDescriptionOverride(ramp, null);
string rampObjectType = NamingUtil.GetObjectTypeOverride(ramp, NamingUtil.CreateIFCObjectName(exporterIFC, ramp));
IFCAnyHandle containedRampLocalPlacement = ExporterUtil.CreateLocalPlacement(file, ecData.GetLocalPlacement(), null);
string elementTag = NamingUtil.GetTagOverride(ramp, NamingUtil.CreateIFCElementId(ramp));
string rampType = GetIFCRampType(ifcEnumType);
List <IFCAnyHandle> components = new List <IFCAnyHandle>();
IList <IFCExtrusionCreationData> componentExtrusionData = new List <IFCExtrusionCreationData>();
IFCAnyHandle containedRampHnd = IFCInstanceExporter.CreateRamp(file, containedRampGuid, ownerHistory, rampName,
rampDescription, rampObjectType, containedRampLocalPlacement, representation, elementTag, rampType);
components.Add(containedRampHnd);
componentExtrusionData.Add(ecData);
//productWrapper.AddElement(containedRampHnd, placementSetter.LevelInfo, ecData, false);
CategoryUtil.CreateMaterialAssociations(exporterIFC, containedRampHnd, bodyData.MaterialIds);
string guid = GUIDUtil.CreateGUID(ramp);
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
IFCAnyHandle rampHnd = IFCInstanceExporter.CreateRamp(file, guid, ownerHistory, rampName,
rampDescription, rampObjectType, localPlacement, null, elementTag, rampType);
productWrapper.AddElement(ramp, rampHnd, placementSetter.LevelInfo, ecData, true);
StairRampContainerInfo stairRampInfo = new StairRampContainerInfo(rampHnd, components, localPlacement);
ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(ramp.Id, stairRampInfo);
ExportMultistoryRamp(exporterIFC, ramp, numFlights, rampHnd, components, componentExtrusionData, placementSetter,
productWrapper);
}
tr.Commit();
}
}
}
/// <summary>
/// Exports a roof as a container of multiple roof slabs. Returns the handle, if successful.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="ifcEnumType">The roof type.</param>
/// <param name="element">The roof element.</param>
/// <param name="geometry">The geometry of the element.</param>
/// <param name="productWrapper">The product wrapper.</param>
/// <returns>The roof handle.</returns>
public static IFCAnyHandle ExportRoofAsContainer(ExporterIFC exporterIFC, string ifcEnumType, Element element, GeometryElement geometry, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
if (!(element is ExtrusionRoof) && !(element is FootPrintRoof))
{
return(null);
}
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
IFCAnyHandle localPlacement = setter.LocalPlacement;
RoofComponents roofComponents = null;
try
{
roofComponents = ExporterIFCUtils.GetRoofComponents(exporterIFC, element as RoofBase);
}
catch
{
return(null);
}
if (roofComponents == null)
{
return(null);
}
try
{
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
extrusionCreationData.SetLocalPlacement(localPlacement);
extrusionCreationData.ReuseLocalPlacement = true;
using (TransformSetter trfSetter = TransformSetter.Create())
{
IList <GeometryObject> geometryList = new List <GeometryObject>();
geometryList.Add(geometry);
trfSetter.InitializeFromBoundingBox(exporterIFC, geometryList, extrusionCreationData);
IFCAnyHandle prodRepHnd = null;
string elementGUID = GUIDUtil.CreateGUID(element);
string elementName = NamingUtil.GetIFCName(element);
string elementDescription = NamingUtil.GetDescriptionOverride(element, null);
string elementObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string elementId = NamingUtil.CreateIFCElementId(element);
string roofType = IFCValidateEntry.GetValidIFCType(element, ifcEnumType);
IFCAnyHandle roofHandle = IFCInstanceExporter.CreateRoof(file, elementGUID, ownerHistory, elementName, elementDescription,
elementObjectType, localPlacement, prodRepHnd, elementId, roofType);
IList <IFCAnyHandle> elementHandles = new List <IFCAnyHandle>();
elementHandles.Add(roofHandle);
//only thing supported right now.
XYZ extrusionDir = new XYZ(0, 0, 1);
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
IList <CurveLoop> roofCurveloops = roofComponents.GetCurveLoops();
IList <XYZ> planeDirs = roofComponents.GetPlaneDirections();
IList <XYZ> planeOrigins = roofComponents.GetPlaneOrigins();
IList <Face> loopFaces = roofComponents.GetLoopFaces();
double scaledDepth = roofComponents.ScaledDepth;
IList <double> areas = roofComponents.GetAreasOfCurveLoops();
IList <IFCAnyHandle> slabHandles = new List <IFCAnyHandle>();
using (IFCExtrusionCreationData slabExtrusionCreationData = new IFCExtrusionCreationData())
{
slabExtrusionCreationData.SetLocalPlacement(extrusionCreationData.GetLocalPlacement());
slabExtrusionCreationData.ReuseLocalPlacement = false;
slabExtrusionCreationData.ForceOffset = true;
for (int numLoop = 0; numLoop < roofCurveloops.Count; numLoop++)
{
trfSetter.InitializeFromBoundingBox(exporterIFC, geometryList, slabExtrusionCreationData);
Plane plane = new Plane(planeDirs[numLoop], planeOrigins[numLoop]);
IList <CurveLoop> curveLoops = new List <CurveLoop>();
curveLoops.Add(roofCurveloops[numLoop]);
double slope = Math.Abs(planeDirs[numLoop].Z);
double scaledExtrusionDepth = scaledDepth * slope;
IFCAnyHandle shapeRep = ExtrusionExporter.CreateExtrudedSolidFromCurveLoop(exporterIFC, null, curveLoops, plane, extrusionDir, scaledExtrusionDepth);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
{
return(null);
}
ElementId matId = HostObjectExporter.GetFirstLayerMaterialId(element as HostObject);
BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, element.Document, shapeRep, matId);
HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>();
bodyItems.Add(shapeRep);
shapeRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, element, catId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null);
IList <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>();
shapeReps.Add(shapeRep);
IFCAnyHandle repHnd = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
// Allow support for up to 256 named IfcSlab components, as defined in IFCSubElementEnums.cs.
string slabGUID = (numLoop < 256) ? GUIDUtil.CreateSubElementGUID(element, (int)IFCRoofSubElements.RoofSlabStart + numLoop) : GUIDUtil.CreateGUID();
IFCAnyHandle slabPlacement = ExporterUtil.CreateLocalPlacement(file, slabExtrusionCreationData.GetLocalPlacement(), null);
IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, slabGUID, ownerHistory, elementName,
elementDescription, elementObjectType, slabPlacement, repHnd, elementId, "ROOF");
//slab quantities
slabExtrusionCreationData.ScaledLength = scaledExtrusionDepth;
slabExtrusionCreationData.ScaledArea = UnitUtil.ScaleArea(areas[numLoop]);
slabExtrusionCreationData.ScaledOuterPerimeter = UnitUtil.ScaleLength(curveLoops[0].GetExactLength());
slabExtrusionCreationData.Slope = UnitUtil.ScaleAngle(Math.Acos(Math.Abs(planeDirs[numLoop].Z)));
productWrapper.AddElement(null, slabHnd, setter, slabExtrusionCreationData, false);
elementHandles.Add(slabHnd);
slabHandles.Add(slabHnd);
}
}
productWrapper.AddElement(element, roofHandle, setter, extrusionCreationData, true);
ExporterUtil.RelateObjects(exporterIFC, null, roofHandle, slabHandles);
OpeningUtil.AddOpeningsToElement(exporterIFC, elementHandles, roofCurveloops, element, null, roofComponents.ScaledDepth,
null, setter, localPlacement, productWrapper);
transaction.Commit();
return(roofHandle);
}
}
}
finally
{
exporterIFC.ClearFaceWithElementHandleMap();
}
}
}
}
/// <summary>
/// Adds openings to an element.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="elementHandles">The parent handles.</param>
/// <param name="curveLoops">The parent CurveLoops.</param>
/// <param name="element">The element.</param>
/// <param name="plane">The plane.</param>
/// <param name="scaledWidth">The width.</param>
/// <param name="range">The range.</param>
/// <param name="setter">The placement setter.</param>
/// <param name="localPlacement">The local placement.</param>
/// <param name="localWrapper">The wrapper.</param>
public static void AddOpeningsToElement(ExporterIFC exporterIFC, IList <IFCAnyHandle> elementHandles, IList <CurveLoop> curveLoops, Element element, Plane plane, double scaledWidth,
IFCRange range, PlacementSetter setter, IFCAnyHandle localPlacement, ProductWrapper localWrapper)
{
IList <IFCOpeningData> openingDataList = ExporterIFCUtils.GetOpeningData(exporterIFC, element, plane, range);
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
foreach (IFCOpeningData openingData in openingDataList)
{
Element openingElem = element.Document.GetElement(openingData.OpeningElementId);
if (openingElem == null)
{
openingElem = element;
}
// Don't export the opening if WallSweep category has been turned off.
// This is currently restricted to WallSweeps because the element responsible for the opening could be a variety of things, including a line as part of the elevation profile of the wall.
// As such, we will restrict which element types we check for CanExportElement.
if ((openingElem is WallSweep) && (!ElementFilteringUtil.CanExportElement(exporterIFC, openingElem, true)))
{
continue;
}
IList <IFCExtrusionData> extrusionDataList = openingData.GetExtrusionData();
IFCAnyHandle parentHandle = null;
if (elementHandles.Count > 1 && extrusionDataList.Count > 0)
{
parentHandle = FindParentHandle(elementHandles, curveLoops, extrusionDataList[0].GetLoops()[0]);
}
if (parentHandle == null)
{
parentHandle = elementHandles[0];
}
bool isDoorOrWindowOpening = IsDoorOrWindowOpening(exporterIFC, openingElem, element);
if (isDoorOrWindowOpening)
{
DoorWindowDelayedOpeningCreator delayedCreator =
DoorWindowDelayedOpeningCreator.Create(exporterIFC, openingData, scaledWidth, element.Id, parentHandle, setter.LevelId);
if (delayedCreator != null)
{
ExporterCacheManager.DoorWindowDelayedOpeningCreatorCache.Add(delayedCreator);
continue;
}
}
bool canUseElementGUID = !isDoorOrWindowOpening;
IList <Solid> solids = openingData.GetOpeningSolids();
foreach (Solid solid in solids)
{
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
extrusionCreationData.SetLocalPlacement(ExporterUtil.CreateLocalPlacement(file, localPlacement, null));
extrusionCreationData.ReuseLocalPlacement = true;
string openingGUID = null;
if (canUseElementGUID)
{
openingGUID = GUIDUtil.CreateGUID(openingElem);
canUseElementGUID = false;
}
else
{
openingGUID = GUIDUtil.CreateGUID();
}
CreateOpening(exporterIFC, parentHandle, element, openingElem, openingGUID, solid, scaledWidth, openingData.IsRecess, extrusionCreationData,
setter, localWrapper);
}
}
foreach (IFCExtrusionData extrusionData in extrusionDataList)
{
if (extrusionData.ScaledExtrusionLength < MathUtil.Eps())
{
extrusionData.ScaledExtrusionLength = scaledWidth;
}
string openingGUID = null;
if (canUseElementGUID)
{
openingGUID = GUIDUtil.CreateGUID(element);
canUseElementGUID = false;
}
else
{
openingGUID = GUIDUtil.CreateGUID();
}
CreateOpening(exporterIFC, parentHandle, localPlacement, element, openingElem, openingGUID, extrusionData, plane, openingData.IsRecess,
setter, localWrapper);
}
}
}
/// <summary>
/// Initializes the transformation in the transform setter.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="geometryList">The set of geometry used to determine the bounding box.</param>
/// <param name="ecData">The extrusion creation data which contains the local placement.</param>
/// <returns>The transform corresponding to the movement, if any.</returns>
/// <remarks>This method will eventually be obsoleted by the InitializeFromBoundingBox/CreateLocalPlacementFromOffset pair below, which delays creating or updating the local placement
/// until we are certain we will use it, saving time and reducing wasted line numbers.</remarks>
public Transform InitializeFromBoundingBox(ExporterIFC exporterIFC, IList <GeometryObject> geometryList, IFCExtrusionCreationData ecData)
{
if (ecData == null)
{
return(null);
}
Transform trf = Transform.Identity;
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(localPlacement))
{
IFCFile file = exporterIFC.GetFile();
BoundingBoxXYZ bbox = GeometryUtil.GetBBoxOfGeometries(geometryList);
// If the BBox passes through (0,0, 0), or no bbox, do nothing.
if (bbox == null ||
((bbox.Min.X < MathUtil.Eps() && bbox.Max.X > -MathUtil.Eps()) &&
(bbox.Min.Y < MathUtil.Eps() && bbox.Max.Y > -MathUtil.Eps()) &&
(bbox.Min.Z < MathUtil.Eps() && bbox.Max.Z > -MathUtil.Eps())))
{
if (!ecData.ReuseLocalPlacement)
{
ecData.SetLocalPlacement(ExporterUtil.CopyLocalPlacement(file, localPlacement));
}
return(trf);
}
XYZ bboxMin = bbox.Min;
XYZ scaledOrig = UnitUtil.ScaleLength(bboxMin);
Transform scaledTrf = GeometryUtil.GetScaledTransform(exporterIFC);
XYZ lpOrig = scaledTrf.OfPoint(scaledOrig);
if (!ecData.AllowVerticalOffsetOfBReps)
{
lpOrig = new XYZ(lpOrig.X, lpOrig.Y, 0.0);
}
Transform scaledTrfInv = scaledTrf.Inverse;
XYZ scaledInvOrig = scaledTrfInv.OfPoint(XYZ.Zero);
XYZ unscaledInvOrig = UnitUtil.UnscaleLength(scaledInvOrig);
XYZ trfOrig = unscaledInvOrig - bboxMin;
if (!ecData.AllowVerticalOffsetOfBReps)
{
trfOrig = new XYZ(trfOrig.X, trfOrig.Y, 0.0);
}
if (!MathUtil.IsAlmostZero(trfOrig.DotProduct(trfOrig)))
{
Initialize(exporterIFC, trfOrig, XYZ.BasisX, XYZ.BasisY);
if (!ecData.ReuseLocalPlacement)
{
ecData.SetLocalPlacement(ExporterUtil.CreateLocalPlacement(file, localPlacement, lpOrig, null, null));
}
else
{
IFCAnyHandle relativePlacement = GeometryUtil.GetRelativePlacementFromLocalPlacement(localPlacement);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(relativePlacement))
{
IFCAnyHandle newRelativePlacement = ExporterUtil.CreateAxis(file, lpOrig, null, null);
GeometryUtil.SetRelativePlacement(localPlacement, newRelativePlacement);
}
else
{
IFCAnyHandle oldOriginHnd, zDirHnd, xDirHnd;
xDirHnd = IFCAnyHandleUtil.GetInstanceAttribute(relativePlacement, "RefDirection");
zDirHnd = IFCAnyHandleUtil.GetInstanceAttribute(relativePlacement, "Axis");
oldOriginHnd = IFCAnyHandleUtil.GetInstanceAttribute(relativePlacement, "Location");
bool trfSet = false;
XYZ xDir = XYZ.BasisX; XYZ zDir = XYZ.BasisZ; XYZ oldCoords = XYZ.Zero;
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(xDirHnd))
{
xDir = GeometryUtil.GetDirectionRatios(xDirHnd);
trfSet = true;
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(zDirHnd))
{
zDir = GeometryUtil.GetDirectionRatios(zDirHnd);
trfSet = true;
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(oldOriginHnd))
{
oldCoords = GeometryUtil.GetCoordinates(oldOriginHnd);
}
if (trfSet)
{
XYZ yDir = zDir.CrossProduct(xDir);
Transform relPlacementTrf = Transform.Identity;
relPlacementTrf.Origin = oldCoords; relPlacementTrf.BasisX = xDir;
relPlacementTrf.BasisY = yDir; relPlacementTrf.BasisZ = zDir;
lpOrig = relPlacementTrf.OfPoint(lpOrig);
}
else
{
lpOrig = oldCoords + lpOrig;
}
IFCAnyHandle newOriginHnd = ExporterUtil.CreateCartesianPoint(file, lpOrig);
IFCAnyHandleUtil.SetAttribute(relativePlacement, "Location", newOriginHnd);
}
}
trf.Origin = lpOrig;
}
else if (ecData.ForceOffset)
{
ecData.SetLocalPlacement(ExporterUtil.CreateLocalPlacement(file, localPlacement, null));
}
else if (!ecData.ReuseLocalPlacement)
{
ecData.SetLocalPlacement(ExporterUtil.CopyLocalPlacement(file, localPlacement));
}
}
return(trf);
}
/// <summary>
/// Creates an opening from extrusion data.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="hostObjHnd">The host handle.</param>
/// <param name="hostPlacement">The host placement.</param>
/// <param name="hostElement">The host element.</param>
/// <param name="insertElement">The opening element.</param>
/// <param name="openingGUID">The opening GUID.</param>
/// <param name="extrusionData">The extrusion data.</param>
/// <param name="plane">The plane.</param>
/// <param name="isRecess">True if it is a recess.</param>
/// <returns>The opening handle.</returns>
static public IFCAnyHandle CreateOpening(ExporterIFC exporterIFC, IFCAnyHandle hostObjHnd, IFCAnyHandle hostPlacement, Element hostElement,
Element insertElement, string openingGUID, IFCExtrusionData extrusionData, Plane plane, bool isRecess,
PlacementSetter setter, ProductWrapper localWrapper)
{
IFCFile file = exporterIFC.GetFile();
IList <CurveLoop> curveLoops = extrusionData.GetLoops();
if (curveLoops.Count == 0)
{
return(null);
}
if (plane == null)
{
// assumption: first curve loop defines the plane.
if (!curveLoops[0].HasPlane())
{
return(null);
}
plane = curveLoops[0].GetPlane();
}
ElementId catId = CategoryUtil.GetSafeCategoryId(insertElement);
IFCAnyHandle openingProdRepHnd = RepresentationUtil.CreateExtrudedProductDefShape(exporterIFC, insertElement, catId,
curveLoops, plane, extrusionData.ExtrusionDirection, extrusionData.ScaledExtrusionLength);
string openingObjectType = isRecess ? "Recess" : "Opening";
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string openingName = NamingUtil.GetNameOverride(insertElement, null);
if (string.IsNullOrEmpty(openingName))
{
openingName = NamingUtil.GetNameOverride(hostElement, NamingUtil.CreateIFCObjectName(exporterIFC, hostElement));
}
IFCAnyHandle openingHnd = IFCInstanceExporter.CreateOpeningElement(file, openingGUID, ownerHistory, openingName, null,
openingObjectType, ExporterUtil.CreateLocalPlacement(file, hostPlacement, null), openingProdRepHnd, null);
IFCExtrusionCreationData ecData = null;
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities)
{
double height, width;
ecData = new IFCExtrusionCreationData();
if (GeometryUtil.ComputeHeightWidthOfCurveLoop(curveLoops[0], plane, out height, out width))
{
ecData.ScaledHeight = UnitUtil.ScaleLength(height);
ecData.ScaledWidth = UnitUtil.ScaleLength(width);
}
else
{
double area = ExporterIFCUtils.ComputeAreaOfCurveLoops(curveLoops);
ecData.ScaledArea = UnitUtil.ScaleArea(area);
}
PropertyUtil.CreateOpeningQuantities(exporterIFC, openingHnd, ecData);
}
if (localWrapper != null)
{
Element elementForProperties = null;
if (GUIDUtil.IsGUIDFor(insertElement, openingGUID))
{
elementForProperties = insertElement;
}
localWrapper.AddElement(elementForProperties, openingHnd, setter, ecData, true);
}
string voidGuid = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null, hostObjHnd, openingHnd);
return(openingHnd);
}
/// <summary>
/// Export the individual part (IfcBuildingElementPart).
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="partElement">The part element to export.</param>
/// <param name="geometryElement">The geometry of part.</param>
/// <param name="productWrapper">The ProductWrapper object.</param>
public static void ExportPart(ExporterIFC exporterIFC, Element partElement, ProductWrapper productWrapper,
IFCPlacementSetter placementSetter, IFCAnyHandle originalPlacement, IFCRange range, IFCExtrusionAxes ifcExtrusionAxes,
Element hostElement, ElementId overrideLevelId, bool asBuildingElement)
{
if (!ElementFilteringUtil.IsElementVisible(partElement))
{
return;
}
Part part = partElement as Part;
if (part == null)
{
return;
}
IFCPlacementSetter standalonePlacementSetter = null;
bool standaloneExport = hostElement == null && !asBuildingElement;
ElementId partExportLevel = null;
if (overrideLevelId != null)
{
partExportLevel = overrideLevelId;
}
else if (standaloneExport || asBuildingElement)
{
if (partElement.Level != null)
{
partExportLevel = partElement.Level.Id;
}
}
else
{
if (part.OriginalCategoryId != hostElement.Category.Id)
{
return;
}
partExportLevel = hostElement.Level.Id;
}
if (ExporterCacheManager.PartExportedCache.HasExported(partElement.Id, partExportLevel))
{
return;
}
Options options = GeometryUtil.GetIFCExportGeometryOptions();
View ownerView = partElement.Document.GetElement(partElement.OwnerViewId) as View;
if (ownerView != null)
{
options.View = ownerView;
}
GeometryElement geometryElement = partElement.get_Geometry(options);
if (geometryElement == null)
{
return;
}
try
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
IFCAnyHandle partPlacement = null;
if (standaloneExport || asBuildingElement)
{
Transform orientationTrf = Transform.Identity;
standalonePlacementSetter = IFCPlacementSetter.Create(exporterIFC, partElement, null, orientationTrf, partExportLevel);
partPlacement = standalonePlacementSetter.GetPlacement();
}
else
{
partPlacement = ExporterUtil.CreateLocalPlacement(file, originalPlacement, null);
}
bool validRange = (range != null && !MathUtil.IsAlmostZero(range.Start - range.End));
SolidMeshGeometryInfo solidMeshInfo;
if (validRange)
{
solidMeshInfo = GeometryUtil.GetSplitClippedSolidMeshGeometry(geometryElement, range);
if (solidMeshInfo.GetSolids().Count == 0 && solidMeshInfo.GetMeshes().Count == 0)
{
return;
}
}
else
{
solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement);
}
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
extrusionCreationData.SetLocalPlacement(partPlacement);
extrusionCreationData.ReuseLocalPlacement = false;
extrusionCreationData.PossibleExtrusionAxes = ifcExtrusionAxes;
IList <Solid> solids = solidMeshInfo.GetSolids();
IList <Mesh> meshes = solidMeshInfo.GetMeshes();
ElementId catId = CategoryUtil.GetSafeCategoryId(partElement);
BodyData bodyData = null;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
if (solids.Count > 0 || meshes.Count > 0)
{
bodyData = BodyExporter.ExportBody(exporterIFC, partElement, catId, ElementId.InvalidElementId, solids, meshes,
bodyExporterOptions, extrusionCreationData);
}
else
{
IList <GeometryObject> geomlist = new List <GeometryObject>();
geomlist.Add(geometryElement);
bodyData = BodyExporter.ExportBody(exporterIFC, partElement, catId, ElementId.InvalidElementId, geomlist,
bodyExporterOptions, extrusionCreationData);
}
IFCAnyHandle bodyRep = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
extrusionCreationData.ClearOpenings();
return;
}
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
representations.Add(bodyRep);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, Transform.Identity);
if (boundingBoxRep != null)
{
representations.Add(boundingBoxRep);
}
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string partGUID = GUIDUtil.CreateGUID(partElement);
string partName = NamingUtil.GetNameOverride(partElement, NamingUtil.GetIFCName(partElement));
string partDescription = NamingUtil.GetDescriptionOverride(partElement, null);
string partObjectType = NamingUtil.GetObjectTypeOverride(partElement, NamingUtil.CreateIFCObjectName(exporterIFC, partElement));
string partTag = NamingUtil.GetTagOverride(partElement, NamingUtil.CreateIFCElementId(partElement));
IFCAnyHandle ifcPart = null;
if (!asBuildingElement)
{
ifcPart = IFCInstanceExporter.CreateBuildingElementPart(file, partGUID, ownerHistory, partName, partDescription,
partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag);
}
else
{
string ifcEnumType;
IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, hostElement, out ifcEnumType);
switch (exportType)
{
case IFCExportType.ExportColumnType:
ifcPart = IFCInstanceExporter.CreateColumn(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag);
break;
case IFCExportType.ExportCovering:
IFCCoveringType coveringType = CeilingExporter.GetIFCCoveringType(hostElement, ifcEnumType);
ifcPart = IFCInstanceExporter.CreateCovering(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, coveringType);
break;
case IFCExportType.ExportFooting:
IFCFootingType footingType = FootingExporter.GetIFCFootingType(hostElement, ifcEnumType);
ifcPart = IFCInstanceExporter.CreateFooting(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, footingType);
break;
case IFCExportType.ExportRoof:
IFCRoofType roofType = RoofExporter.GetIFCRoofType(ifcEnumType);
ifcPart = IFCInstanceExporter.CreateRoof(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, roofType);
break;
case IFCExportType.ExportSlab:
IFCSlabType slabType = FloorExporter.GetIFCSlabType(ifcEnumType);
ifcPart = IFCInstanceExporter.CreateSlab(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag, slabType);
break;
case IFCExportType.ExportWall:
ifcPart = IFCInstanceExporter.CreateWall(file, partGUID, ownerHistory, partName, partDescription, partObjectType,
extrusionCreationData.GetLocalPlacement(), prodRep, partTag);
break;
default:
ifcPart = IFCInstanceExporter.CreateBuildingElementProxy(file, partGUID, ownerHistory, partName, partDescription,
partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag, null);
break;
}
}
bool containedInLevel = (standaloneExport || asBuildingElement);
IFCPlacementSetter whichPlacementSetter = containedInLevel ? standalonePlacementSetter : placementSetter;
productWrapper.AddElement(partElement, ifcPart, whichPlacementSetter, extrusionCreationData, containedInLevel);
//Add the exported part to exported cache.
TraceExportedParts(partElement, partExportLevel, standaloneExport || asBuildingElement ? ElementId.InvalidElementId : hostElement.Id);
CategoryUtil.CreateMaterialAssociations(exporterIFC, ifcPart, bodyData.MaterialIds);
transaction.Commit();
}
}
}
finally
{
if (standalonePlacementSetter != null)
{
standalonePlacementSetter.Dispose();
}
}
}