/// <summary>
/// Exports a MEP family instance.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="exportType">The export type of the element.
/// <param name="ifcEnumType">The sub-type of the element.</param></param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <returns>True if an entity was created, false otherwise.</returns>
public static bool Export(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
IFCExportType exportType, string ifcEnumType, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
IFCAnyHandle localPlacementToUse = setter.LocalPlacement;
using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
{
extraParams.SetLocalPlacement(localPlacementToUse);
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
BodyData bodyData = null;
IFCAnyHandle productRepresentation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
element, catId, geometryElement, bodyExporterOptions, null, extraParams, out bodyData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(productRepresentation))
{
extraParams.ClearOpenings();
return(false);
}
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
ElementId typeId = element.GetTypeId();
ElementType type = element.Document.GetElement(typeId) as ElementType;
FamilyTypeInfo currentTypeInfo = ExporterCacheManager.TypeObjectsCache.Find(typeId, false);
bool found = currentTypeInfo.IsValid();
if (!found)
{
string typeGUID = GUIDUtil.CreateGUID(type);
string typeName = NamingUtil.GetNameOverride(type, NamingUtil.GetIFCName(type));
string typeObjectType = NamingUtil.GetObjectTypeOverride(type, NamingUtil.CreateIFCObjectName(exporterIFC, type));
string applicableOccurence = NamingUtil.GetOverrideStringValue(type, "IfcApplicableOccurrence", typeObjectType);
string typeDescription = NamingUtil.GetDescriptionOverride(type, null);
string typeTag = NamingUtil.GetTagOverride(type, NamingUtil.CreateIFCElementId(type));
string typeElementType = NamingUtil.GetOverrideStringValue(type, "IfcElementType", typeName);
IList <IFCAnyHandle> repMapListOpt = new List <IFCAnyHandle>();
IFCAnyHandle styleHandle = FamilyExporterUtil.ExportGenericType(exporterIFC, exportType, ifcEnumType, typeGUID, typeName,
typeDescription, applicableOccurence, null, repMapListOpt, typeTag, typeElementType, element, type);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(styleHandle))
{
productWrapper.RegisterHandleWithElementType(type, styleHandle, null);
currentTypeInfo.Style = styleHandle;
ExporterCacheManager.TypeObjectsCache.Register(typeId, false, currentTypeInfo);
}
}
string instanceGUID = GUIDUtil.CreateGUID(element);
string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, NamingUtil.CreateIFCObjectName(exporterIFC, element));
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
bool roomRelated = !FamilyExporterUtil.IsDistributionFlowElementSubType(exportType);
ElementId roomId = ElementId.InvalidElementId;
if (roomRelated)
{
roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse);
}
IFCAnyHandle instanceHandle = null;
// For MEP objects
string exportEntityStr = exportType.ToString();
Common.Enums.IFCEntityType exportEntity;
if (String.Compare(exportEntityStr.Substring(exportEntityStr.Length - 4), "Type", true) == 0)
{
exportEntityStr = exportEntityStr.Substring(0, (exportEntityStr.Length - 4));
}
if (Enum.TryParse(exportEntityStr, out exportEntity))
{
// For MEP object creation
instanceHandle = IFCInstanceExporter.CreateGenericIFCEntity(exportEntity, file, instanceGUID, ownerHistory,
instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
{
return(false);
}
bool relatedToSpace = (roomId != ElementId.InvalidElementId);
productWrapper.AddElement(element, instanceHandle, setter, extraParams, !relatedToSpace);
if (relatedToSpace)
{
ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomId, instanceHandle);
}
OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, element, extraParams, null,
exporterIFC, localPlacementToUse, setter, productWrapper);
if (currentTypeInfo.IsValid())
{
ExporterCacheManager.TypeRelationsCache.Add(currentTypeInfo.Style, instanceHandle);
}
if (bodyData != null && bodyData.MaterialIds.Count != 0)
{
CategoryUtil.CreateMaterialAssociations(exporterIFC, instanceHandle, bodyData.MaterialIds);
}
ExporterCacheManager.MEPCache.Register(element, instanceHandle);
tr.Commit();
}
}
}
return(true);
}
/// <summary>
/// Exports curtain object as container.
/// </summary>
/// <param name="allSubElements">
/// Collection of elements contained in the host curtain element.
/// </param>
/// <param name="wallElement">
/// The curtain wall element.
/// </param>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void ExportCurtainObjectCommonAsContainer(ICollection <ElementId> allSubElements, Element wallElement,
ExporterIFC exporterIFC, ProductWrapper origWrapper, PlacementSetter currSetter)
{
if (wallElement == null)
{
return;
}
string overrideCADLayer = RepresentationUtil.GetPresentationLayerOverride(wallElement);
using (ExporterStateManager.CADLayerOverrideSetter layerSetter = new ExporterStateManager.CADLayerOverrideSetter(overrideCADLayer))
{
HashSet <ElementId> alreadyVisited = new HashSet <ElementId>(); // just in case.
Options geomOptions = GeometryUtil.GetIFCExportGeometryOptions();
{
foreach (ElementId subElemId in allSubElements)
{
using (ProductWrapper productWrapper = ProductWrapper.Create(origWrapper))
{
Element subElem = wallElement.Document.GetElement(subElemId);
if (subElem == null)
{
continue;
}
if (alreadyVisited.Contains(subElem.Id))
{
continue;
}
alreadyVisited.Add(subElem.Id);
// Respect element visibility settings.
if (!ElementFilteringUtil.CanExportElement(exporterIFC, subElem, false) || !ElementFilteringUtil.IsElementVisible(subElem))
{
continue;
}
GeometryElement geomElem = subElem.get_Geometry(geomOptions);
if (geomElem == null)
{
continue;
}
try
{
if (subElem is FamilyInstance)
{
string ifcEnumType;
IFCExportInfoPair exportType = ExporterUtil.GetProductExportType(exporterIFC, subElem, out ifcEnumType);
if (subElem is Mullion)
{
if (ExporterCacheManager.ExportOptionsCache.ExportAs2x2)
{
ProxyElementExporter.Export(exporterIFC, subElem, geomElem, productWrapper, exportType);
}
else
{
IFCAnyHandle currLocalPlacement = currSetter.LocalPlacement;
if (exportType.ExportInstance == IFCEntityType.IfcCurtainWall)
{
// By default, panels and mullions are set to the same category as their parent. In this case,
// ask to get the exportType from the category id, since we don't want to inherit the parent class.
exportType.SetValueWithPair(IFCEntityType.IfcMemberType, "MULLION");
}
FamilyInstanceExporter.ExportFamilyInstanceAsMappedItem(exporterIFC, subElem as Mullion, exportType, exportType.ValidatedPredefinedType, productWrapper,
ElementId.InvalidElementId, null, currLocalPlacement);
}
}
else
{
FamilyInstance subFamInst = subElem as FamilyInstance;
if (exportType.ExportInstance == IFCEntityType.IfcCurtainWall)
{
// By default, panels and mullions are set to the same category as their parent. In this case,
// ask to get the exportType from the category id, since we don't want to inherit the parent class.
ElementId catId = CategoryUtil.GetSafeCategoryId(subElem);
exportType = ElementFilteringUtil.GetExportTypeFromCategoryId(catId);
}
if (ExporterCacheManager.ExportOptionsCache.ExportAs2x2)
{
if ((exportType.ExportInstance == IFCEntityType.UnKnown) ||
(exportType.ExportInstance == IFCEntityType.IfcPlate) ||
(exportType.ExportInstance == IFCEntityType.IfcMember))
{
exportType.SetValueWithPair(IFCEntityType.IfcBuildingElementProxy, ifcEnumType);
}
}
else
{
if (exportType.ExportInstance == IFCEntityType.UnKnown)
{
exportType.SetValueWithPair(IFCEntityType.IfcPlateType, "CURTAIN_PANEL");
}
}
IFCAnyHandle currLocalPlacement = currSetter.LocalPlacement;
using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
{
FamilyInstanceExporter.ExportFamilyInstanceAsMappedItem(exporterIFC, subFamInst, exportType, ifcEnumType, productWrapper,
ElementId.InvalidElementId, null, currLocalPlacement);
}
}
}
else if (subElem is CurtainGridLine)
{
ProxyElementExporter.Export(exporterIFC, subElem, geomElem, productWrapper);
}
else if (subElem is Wall)
{
WallExporter.ExportWall(exporterIFC, null, subElem, null, ref geomElem, productWrapper);
}
}
catch (Exception ex)
{
if (ExporterUtil.IsFatalException(wallElement.Document, ex))
{
throw ex;
}
continue;
}
}
}
}
}
}
/// <summary>
/// Exports a MEP family instance.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="exportType">The export type of the element.
/// <param name="ifcEnumType">The sub-type of the element.</param></param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <returns>True if an entity was created, false otherwise.</returns>
public static bool Export(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
IFCExportType exportType, string ifcEnumType, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
// CQ_TODO: Clean up this code by at least factoring it out.
// If we are exporting a duct segment, we may need to split it into parts by level. Create a list of ranges.
IList <ElementId> levels = new List <ElementId>();
IList <IFCRange> ranges = new List <IFCRange>();
// We will not split duct segments if the assemblyId is set, as we would like to keep the original duct segment
// associated with the assembly, on the level of the assembly.
if ((exportType == IFCExportType.IfcDuctSegmentType) &&
(ExporterCacheManager.ExportOptionsCache.WallAndColumnSplitting) &&
(element.AssemblyInstanceId == ElementId.InvalidElementId))
{
LevelUtil.CreateSplitLevelRangesForElement(exporterIFC, exportType, element, out levels,
out ranges);
}
int numPartsToExport = ranges.Count;
{
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
if (0 == numPartsToExport)
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
IFCAnyHandle localPlacementToUse = setter.LocalPlacement;
BodyData bodyData = null;
using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
{
extraParams.SetLocalPlacement(localPlacementToUse);
IFCAnyHandle productRepresentation =
RepresentationUtil.CreateAppropriateProductDefinitionShape(
exporterIFC, element, catId, geometryElement, bodyExporterOptions, null, extraParams, out bodyData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(productRepresentation))
{
extraParams.ClearOpenings();
return(false);
}
ExportAsMappedItem(exporterIFC, element, file, exportType, ifcEnumType, extraParams,
setter, localPlacementToUse, productRepresentation,
productWrapper);
}
}
}
else
{
for (int ii = 0; ii < numPartsToExport; ii++)
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, null, null, levels[ii]))
{
IFCAnyHandle localPlacementToUse = setter.LocalPlacement;
using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
{
SolidMeshGeometryInfo solidMeshCapsule =
GeometryUtil.GetClippedSolidMeshGeometry(geometryElement, ranges[ii]);
IList <Solid> solids = solidMeshCapsule.GetSolids();
IList <Mesh> polyMeshes = solidMeshCapsule.GetMeshes();
IList <GeometryObject> geomObjects =
FamilyExporterUtil.RemoveInvisibleSolidsAndMeshes(element.Document,
exporterIFC, solids, polyMeshes);
if (geomObjects.Count == 0 && (solids.Count > 0 || polyMeshes.Count > 0))
{
return(false);
}
bool tryToExportAsExtrusion = (!exporterIFC.ExportAs2x2 ||
(exportType == IFCExportType.IfcColumnType));
if (exportType == IFCExportType.IfcColumnType)
{
extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;
}
else
{
extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryXYZ;
}
BodyData bodyData = null;
if (geomObjects.Count > 0)
{
bodyData = BodyExporter.ExportBody(exporterIFC, element, catId,
ElementId.InvalidElementId, geomObjects,
bodyExporterOptions, extraParams);
}
else
{
IList <GeometryObject> exportedGeometries = new List <GeometryObject>();
exportedGeometries.Add(geometryElement);
bodyData = BodyExporter.ExportBody(exporterIFC, element, catId,
ElementId.InvalidElementId,
exportedGeometries, bodyExporterOptions,
extraParams);
}
List <IFCAnyHandle> bodyReps = new List <IFCAnyHandle>();
bodyReps.Add(bodyData.RepresentationHnd);
IFCAnyHandle productRepresentation =
IFCInstanceExporter.CreateProductDefinitionShape(exporterIFC.GetFile(), null,
null, bodyReps);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(productRepresentation))
{
extraParams.ClearOpenings();
return(false);
}
ExportAsMappedItem(exporterIFC, element, file, exportType, ifcEnumType,
extraParams, setter, localPlacementToUse,
productRepresentation, productWrapper);
}
}
}
}
}
tr.Commit();
}
return(true);
}
/// <summary>
/// Base implementation to export IFC site object.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="document">The Revit document. It may be null if element isn't.</param>
/// <param name="element">The element. It may be null if document isn't.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
private static void ExportSiteBase(ExporterIFC exporterIFC, Document document, Element element, GeometryElement geometryElement, ProductWrapper productWrapper)
{
IFCAnyHandle siteHandle = ExporterCacheManager.SiteHandle;
int numSiteElements = (!IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle) ? 1 : 0);
if (element == null && (numSiteElements != 0))
{
return;
}
Document doc = document;
if (doc == null)
{
if (element != null)
{
doc = element.Document;
}
else
{
throw new ArgumentException("Both document and element are null.");
}
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
IFCAnyHandle siteRepresentation = null;
if (element != null)
{
// It would be possible that they actually represent several different sites with different buildings,
// but until we have a concept of a building in Revit, we have to assume 0-1 sites, 1 building.
bool appendedToSite = false;
bool exportAsFacetation = !ExporterCacheManager.ExportOptionsCache.ExportAsCoordinationView2;
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle))
{
IList <IFCAnyHandle> representations = IFCAnyHandleUtil.GetProductRepresentations(siteHandle);
if (representations.Count > 0)
{
IFCAnyHandle bodyRep = representations[0];
IFCAnyHandle boundaryRep = null;
if (representations.Count > 1)
{
boundaryRep = representations[1];
}
siteRepresentation = RepresentationUtil.CreateSurfaceProductDefinitionShape(exporterIFC, element, geometryElement, true, exportAsFacetation, ref bodyRep, ref boundaryRep);
if (representations.Count == 1 && !IFCAnyHandleUtil.IsNullOrHasNoValue(boundaryRep))
{
// If the first site has no boundaryRep,
// we will add the boundaryRep from second site to it.
representations.Clear();
representations.Add(boundaryRep);
IFCAnyHandleUtil.AddProductRepresentations(siteHandle, representations);
}
appendedToSite = true;
}
}
if (!appendedToSite)
{
siteRepresentation = RepresentationUtil.CreateSurfaceProductDefinitionShape(exporterIFC, element, geometryElement, true, exportAsFacetation);
}
}
List <int> latitude = new List <int>();
List <int> longitude = new List <int>();
ProjectLocation projLocation = doc.ActiveProjectLocation;
IFCAnyHandle relativePlacement = null;
double unscaledElevation = 0.0;
if (projLocation != null)
{
const double scaleToDegrees = 180 / Math.PI;
double latitudeInDeg = projLocation.SiteLocation.Latitude * scaleToDegrees;
double longitudeInDeg = projLocation.SiteLocation.Longitude * scaleToDegrees;
ExporterUtil.GetSafeProjectPositionElevation(doc, out unscaledElevation);
int latDeg = ((int)latitudeInDeg); latitudeInDeg -= latDeg; latitudeInDeg *= 60;
int latMin = ((int)latitudeInDeg); latitudeInDeg -= latMin; latitudeInDeg *= 60;
int latSec = ((int)latitudeInDeg); latitudeInDeg -= latSec; latitudeInDeg *= 1000000;
int latFracSec = ((int)latitudeInDeg);
latitude.Add(latDeg);
latitude.Add(latMin);
latitude.Add(latSec);
if (!ExporterCacheManager.ExportOptionsCache.ExportAs2x2)
{
latitude.Add(latFracSec);
}
int longDeg = ((int)longitudeInDeg); longitudeInDeg -= longDeg; longitudeInDeg *= 60;
int longMin = ((int)longitudeInDeg); longitudeInDeg -= longMin; longitudeInDeg *= 60;
int longSec = ((int)longitudeInDeg); longitudeInDeg -= longSec; longitudeInDeg *= 1000000;
int longFracSec = ((int)longitudeInDeg);
longitude.Add(longDeg);
longitude.Add(longMin);
longitude.Add(longSec);
if (!ExporterCacheManager.ExportOptionsCache.ExportAs2x2)
{
longitude.Add(longFracSec);
}
Transform siteSharedCoordinatesTrf = projLocation.GetTransform().Inverse;
if (!siteSharedCoordinatesTrf.IsIdentity)
{
double unscaledSiteElevation = ExporterCacheManager.ExportOptionsCache.IncludeSiteElevation ? 0.0 : unscaledElevation;
XYZ orig = UnitUtil.ScaleLength(siteSharedCoordinatesTrf.Origin - new XYZ(0, 0, unscaledSiteElevation));
relativePlacement = ExporterUtil.CreateAxis2Placement3D(file, orig, siteSharedCoordinatesTrf.BasisZ, siteSharedCoordinatesTrf.BasisX);
}
}
// Get elevation for site.
double elevation = UnitUtil.ScaleLength(unscaledElevation);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(relativePlacement))
{
relativePlacement = ExporterUtil.CreateAxis2Placement3D(file);
}
IFCAnyHandle localPlacement = IFCInstanceExporter.CreateLocalPlacement(file, null, relativePlacement);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
string siteObjectType = NamingUtil.CreateIFCObjectName(exporterIFC, element);
ProjectInfo projectInfo = doc.ProjectInformation;
Element mainSiteElement = (element != null) ? element : projectInfo;
bool exportSite = false;
string siteGUID = null;
string siteName = null;
string siteLongName = null;
string siteLandTitleNumber = null;
string siteDescription = null;
if (element != null)
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle))
{
exportSite = true;
// We will use the Project Information site name as the primary name, if it exists.
siteGUID = GUIDUtil.CreateSiteGUID(doc, element);
siteName = NamingUtil.GetOverrideStringValue(projectInfo, "SiteName", NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element)));
siteDescription = NamingUtil.GetDescriptionOverride(element, null);
siteObjectType = NamingUtil.GetObjectTypeOverride(element, siteObjectType);
// Look in site element for "IfcLongName" or project information for either "IfcLongName" or "SiteLongName".
siteLongName = NamingUtil.GetLongNameOverride(projectInfo, NamingUtil.GetLongNameOverride(element, null));
if (string.IsNullOrWhiteSpace(siteLongName))
{
siteLongName = NamingUtil.GetOverrideStringValue(projectInfo, "SiteLongName", null);
}
// Look in site element for "IfcLandTitleNumber" or project information for "SiteLandTitleNumber".
siteLandTitleNumber = NamingUtil.GetOverrideStringValue(element, "IfcLandTitleNumber", null);
if (string.IsNullOrWhiteSpace(siteLandTitleNumber))
{
siteLandTitleNumber = NamingUtil.GetOverrideStringValue(projectInfo, "SiteLandTitleNumber", null);
}
}
}
else
{
exportSite = true;
siteGUID = GUIDUtil.CreateProjectLevelGUID(doc, IFCProjectLevelGUIDType.Site);
siteName = NamingUtil.GetOverrideStringValue(projectInfo, "SiteName", "Default");
siteLongName = NamingUtil.GetLongNameOverride(projectInfo, NamingUtil.GetOverrideStringValue(projectInfo, "SiteLongName", null));
siteLandTitleNumber = NamingUtil.GetOverrideStringValue(projectInfo, "SiteLandTitleNumber", null);
// don't bother if we have nothing in the site whatsoever.
if ((latitude.Count == 0 || longitude.Count == 0) && IFCAnyHandleUtil.IsNullOrHasNoValue(relativePlacement) &&
string.IsNullOrWhiteSpace(siteLongName) && string.IsNullOrWhiteSpace(siteLandTitleNumber))
{
return;
}
}
if (exportSite)
{
siteHandle = IFCInstanceExporter.CreateSite(file, siteGUID, ownerHistory, siteName, siteDescription, siteObjectType, localPlacement,
siteRepresentation, siteLongName, Toolkit.IFCElementComposition.Element, latitude, longitude, elevation, siteLandTitleNumber, null);
productWrapper.AddSite(mainSiteElement, siteHandle);
ExporterCacheManager.SiteHandle = siteHandle;
}
tr.Commit();
}
}
/// <summary>
/// Exports mullion.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="mullion">
/// The mullion object.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="localPlacement">
/// The local placement handle.
/// </param>
/// <param name="setter">
/// The 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 floor to IFC slab.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="floor">
/// The floor element.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="ifcEnumType">
/// The string value represents the IFC type.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
/// <param name="exportParts">
/// Whether to export parts or not.
/// </param>
/// <returns>
/// True if the floor is exported successfully, false otherwise.
/// </returns>
public static void ExportFloor(ExporterIFC exporterIFC, Element floorElement, GeometryElement geometryElement, string ifcEnumType,
ProductWrapper productWrapper, bool exportParts)
{
if (geometryElement == null)
{
return;
}
IFCFile file = exporterIFC.GetFile();
IList <IFCAnyHandle> slabHnds = new List <IFCAnyHandle>();
IList <IFCAnyHandle> brepSlabHnds = new List <IFCAnyHandle>();
IList <IFCAnyHandle> nonBrepSlabHnds = new List <IFCAnyHandle>();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (IFCTransformSetter transformSetter = IFCTransformSetter.Create())
{
using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, floorElement, null, null, ExporterUtil.GetBaseLevelIdForElement(floorElement)))
{
IFCAnyHandle localPlacement = placementSetter.GetPlacement();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
bool exportedAsInternalExtrusion = false;
double scale = exporterIFC.LinearScale;
ElementId catId = CategoryUtil.GetSafeCategoryId(floorElement);
IList <IFCAnyHandle> prodReps = new List <IFCAnyHandle>();
IList <ShapeRepresentationType> repTypes = new List <ShapeRepresentationType>();
IList <IList <CurveLoop> > extrusionLoops = new List <IList <CurveLoop> >();
IList <IFCExtrusionCreationData> loopExtraParams = new List <IFCExtrusionCreationData>();
Plane floorPlane = GeometryUtil.CreateDefaultPlane();
IList <IFCAnyHandle> localPlacements = new List <IFCAnyHandle>();
if (!exportParts)
{
// First, try to use the ExtrusionAnalyzer for the limited cases it handles - 1 solid, no openings, end clippings only.
// Also limited to cases with line and arc boundaries.
//
if (floorElement is Floor)
{
Floor floor = floorElement as Floor;
SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement);
IList <Solid> solids = solidMeshInfo.GetSolids();
IList <Mesh> meshes = solidMeshInfo.GetMeshes();
if (solids.Count == 1 && meshes.Count == 0)
{
bool completelyClipped;
XYZ floorExtrusionDirection = new XYZ(0, 0, -1);
XYZ modelOrigin = XYZ.Zero;
XYZ floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top);
if (floorOrigin == null)
{
// GetVerticalProjectionPoint may return null if FloorFace.Top is an edited face that doesn't
// go thruough te Revit model orgigin. We'll try the midpoint of the bounding box instead.
BoundingBoxXYZ boundingBox = floor.get_BoundingBox(null);
modelOrigin = (boundingBox.Min + boundingBox.Max) / 2.0;
floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top);
}
if (floorOrigin != null)
{
XYZ floorDir = floor.GetNormalAtVerticalProjectionPoint(floorOrigin, FloorFace.Top);
Plane extrusionAnalyzerFloorPlane = new Plane(floorDir, floorOrigin);
HandleAndData floorAndProperties =
ExtrusionExporter.CreateExtrusionWithClippingAndProperties(exporterIFC, floor,
catId, solids[0], extrusionAnalyzerFloorPlane, floorExtrusionDirection, null, out completelyClipped);
if (completelyClipped)
{
return;
}
if (floorAndProperties.Handle != null)
{
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
representations.Add(floorAndProperties.Handle);
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
prodReps.Add(prodRep);
repTypes.Add(ShapeRepresentationType.SweptSolid);
if (floorAndProperties.Data != null)
{
loopExtraParams.Add(floorAndProperties.Data);
}
}
}
}
}
// Use internal routine as backup that handles openings.
if (prodReps.Count == 0)
{
exportedAsInternalExtrusion = ExporterIFCUtils.ExportSlabAsExtrusion(exporterIFC, floorElement,
geometryElement, transformSetter, localPlacement, out localPlacements, out prodReps,
out extrusionLoops, out loopExtraParams, floorPlane);
for (int ii = 0; ii < prodReps.Count; ii++)
{
// all are extrusions
repTypes.Add(ShapeRepresentationType.SweptSolid);
}
}
if (prodReps.Count == 0)
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
bodyExporterOptions.TessellationLevel = BodyExporter.GetTessellationLevel();
BodyData bodyData;
IFCAnyHandle prodDefHnd = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
floorElement, catId, geometryElement, bodyExporterOptions, null, ecData, out bodyData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodDefHnd))
{
ecData.ClearOpenings();
return;
}
prodReps.Add(prodDefHnd);
repTypes.Add(bodyData.ShapeRepresentationType);
}
}
}
// Create the slab from either the extrusion or the BRep information.
string ifcGUID = GUIDUtil.CreateGUID(floorElement);
int numReps = exportParts ? 1 : prodReps.Count;
// Allow export as IfcSlab or IfcFooting. Ignore altIfcEnumType value; use value passed in.
string altIfcEnumType;
IFCExportType exportAs = ExporterUtil.GetExportType(exporterIFC, floorElement, out altIfcEnumType);
bool exportAsFooting = (exportAs == IFCExportType.ExportFooting);
IFCFootingType?footingType = null;
IFCSlabType? slabType = null;
if (exportAsFooting)
{
footingType = FootingExporter.GetIFCFootingType(ifcEnumType);
}
else
{
slabType = GetIFCSlabType(ifcEnumType);
}
for (int ii = 0; ii < numReps; ii++)
{
string ifcName = NamingUtil.GetNameOverride(floorElement, NamingUtil.GetIFCNamePlusIndex(floorElement, ii == 0 ? -1 : ii + 1));
string ifcDescription = NamingUtil.GetDescriptionOverride(floorElement, null);
string ifcObjectType = NamingUtil.GetObjectTypeOverride(floorElement, exporterIFC.GetFamilyName());
string ifcTag = NamingUtil.GetTagOverride(floorElement, NamingUtil.CreateIFCElementId(floorElement));
string currentGUID = (ii == 0) ? ifcGUID : GUIDUtil.CreateGUID();
IFCAnyHandle localPlacementHnd = exportedAsInternalExtrusion ? localPlacements[ii] : localPlacement;
IFCAnyHandle slabHnd = null;
if (exportAsFooting)
{
slabHnd = IFCInstanceExporter.CreateFooting(file, currentGUID, ownerHistory, ifcName,
ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii],
ifcTag, footingType.Value);
}
else
{
slabHnd = IFCInstanceExporter.CreateSlab(file, currentGUID, ownerHistory, ifcName,
ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii],
ifcTag, slabType.Value);
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(slabHnd))
{
return;
}
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, floorElement, slabHnd, productWrapper, placementSetter, localPlacementHnd, null);
}
slabHnds.Add(slabHnd);
if (!exportParts)
{
if (repTypes[ii] == ShapeRepresentationType.Brep)
{
brepSlabHnds.Add(slabHnd);
}
else
{
nonBrepSlabHnds.Add(slabHnd);
}
}
}
for (int ii = 0; ii < numReps; ii++)
{
IFCExtrusionCreationData loopExtraParam = ii < loopExtraParams.Count ? loopExtraParams[ii] : null;
productWrapper.AddElement(floorElement, slabHnds[ii], placementSetter, loopExtraParam, true);
}
if (exportedAsInternalExtrusion)
{
ExporterIFCUtils.ExportExtrudedSlabOpenings(exporterIFC, floorElement, placementSetter,
localPlacements[0], slabHnds, extrusionLoops, floorPlane, productWrapper.ToNative());
}
}
if (!exportParts)
{
if (floorElement is HostObject)
{
HostObject hostObject = floorElement as HostObject;
if (nonBrepSlabHnds.Count > 0)
{
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, hostObject, nonBrepSlabHnds,
geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, false);
}
if (brepSlabHnds.Count > 0)
{
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, hostObject, brepSlabHnds,
geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, true);
}
}
else if (floorElement is FamilyInstance && slabHnds.Count > 0)
{
ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, floorElement);
Document doc = floorElement.Document;
foreach (IFCAnyHandle slabHnd in slabHnds)
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, slabHnd, matId);
}
}
}
}
tr.Commit();
return;
}
}
/// <summary>
/// Exports a beam to IFC beam.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="element">
/// The element to be exported.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void ExportBeam(ExporterIFC exporterIFC,
Element element, GeometryElement geometryElement, ProductWrapper productWrapper)
{
if (geometryElement == null)
{
return;
}
IFCFile file = exporterIFC.GetFile();
double scale = exporterIFC.LinearScale;
using (IFCTransaction transaction = new IFCTransaction(file))
{
LocationCurve locCurve = element.Location as LocationCurve;
Transform orientTrf = Transform.Identity;
bool canExportAxis = (locCurve != null);
IFCAnyHandle axisRep = null;
XYZ beamDirection = null;
XYZ projDir = null;
Curve curve = null;
Plane plane = null;
if (canExportAxis)
{
curve = locCurve.Curve;
if (curve is Line)
{
Line line = curve as Line;
XYZ planeY, planeOrig;
planeOrig = line.get_EndPoint(0);
beamDirection = line.Direction;
if (Math.Abs(beamDirection.Z) < 0.707) // approx 1.0/sqrt(2.0)
{
planeY = XYZ.BasisZ.CrossProduct(beamDirection);
}
else
{
planeY = XYZ.BasisX.CrossProduct(beamDirection);
}
planeY = planeY.Normalize();
projDir = beamDirection.CrossProduct(planeY);
plane = new Plane(beamDirection, planeY, planeOrig);
orientTrf.BasisX = beamDirection; orientTrf.BasisY = planeY; orientTrf.BasisZ = projDir; orientTrf.Origin = planeOrig;
}
else if (curve is Arc)
{
XYZ yDir, center;
Arc arc = curve as Arc;
beamDirection = arc.XDirection; yDir = arc.YDirection; projDir = arc.Normal; center = arc.Center;
plane = new Plane(beamDirection, yDir, center);
orientTrf.BasisX = beamDirection; orientTrf.BasisY = yDir; orientTrf.BasisZ = projDir; orientTrf.Origin = center;
}
else
{
canExportAxis = false;
}
}
using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, canExportAxis ? orientTrf : null, ExporterUtil.GetBaseLevelIdForElement(element)))
{
IFCAnyHandle localPlacement = setter.GetPlacement();
SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement);
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
extrusionCreationData.SetLocalPlacement(localPlacement);
if (canExportAxis && (orientTrf.BasisX != null))
{
extrusionCreationData.CustomAxis = beamDirection;
extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryCustom;
}
else
{
extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryXY;
}
IList <Solid> solids = solidMeshInfo.GetSolids();
IList <Mesh> meshes = solidMeshInfo.GetMeshes();
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
// The representation handle generated from one of the methods below.
IFCAnyHandle repHnd = null;
// The list of materials in the solids or meshes.
ICollection <ElementId> materialIds = new HashSet <ElementId>();
// There may be an offset to make the local coordinate system
// be near the origin. This offset will be used to move the axis to the new LCS.
Transform offsetTransform = null;
// If we have a beam with a Linear location line that only has one solid geometry,
// we will try to use the ExtrusionAnalyzer to generate an extrusion with 0 or more clippings.
// This code is currently limited in that it will not process beams with openings, so we
// use other methods below if this one fails.
if (solids.Count == 1 && meshes.Count == 0 && (canExportAxis && (curve is Line)))
{
bool completelyClipped;
beamDirection = orientTrf.BasisX;
Plane beamExtrusionPlane = new Plane(orientTrf.BasisY, orientTrf.BasisZ, orientTrf.Origin);
repHnd = ExtrusionExporter.CreateExtrusionWithClipping(exporterIFC, element,
catId, solids[0], beamExtrusionPlane, beamDirection, null, out completelyClipped);
if (completelyClipped)
{
return;
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
{
// This is used by the BeamSlopeCalculator. This should probably be generated automatically by
// CreateExtrusionWithClipping.
IFCExtrusionBasis bestAxis = (Math.Abs(beamDirection[0]) > Math.Abs(beamDirection[1])) ?
IFCExtrusionBasis.BasisX : IFCExtrusionBasis.BasisY;
extrusionCreationData.Slope = GeometryUtil.GetSimpleExtrusionSlope(beamDirection, bestAxis);
ElementId materialId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(solids[0], exporterIFC, element);
if (materialId != ElementId.InvalidElementId)
{
materialIds.Add(materialId);
}
}
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
{
BodyData bodyData = null;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
if (solids.Count > 0 || meshes.Count > 0)
{
bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId,
solids, meshes, bodyExporterOptions, extrusionCreationData);
}
else
{
IList <GeometryObject> geomlist = new List <GeometryObject>();
geomlist.Add(geometryElement);
bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId,
geomlist, bodyExporterOptions, extrusionCreationData);
}
repHnd = bodyData.RepresentationHnd;
materialIds = bodyData.MaterialIds;
offsetTransform = bodyData.OffsetTransform;
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
{
extrusionCreationData.ClearOpenings();
return;
}
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
if (canExportAxis)
{
XYZ curveOffset = new XYZ(0, 0, 0);
if (offsetTransform != null)
{
curveOffset = -offsetTransform.Origin / scale;
}
else
{
// Note that we do not have to have any scaling adjustment here, since the curve origin is in the
// same internal coordinate system as the curve.
curveOffset = -plane.Origin;
}
Plane offsetPlane = new Plane(plane.XVec, plane.YVec, XYZ.Zero);
IFCGeometryInfo info = IFCGeometryInfo.CreateCurveGeometryInfo(exporterIFC, offsetPlane, projDir, false);
ExporterIFCUtils.CollectGeometryInfo(exporterIFC, info, curve, curveOffset, true);
IList <IFCAnyHandle> axis_items = info.GetCurves();
if (axis_items.Count > 0)
{
string identifierOpt = "Axis"; // this is by IFC2x2 convention, not temporary
string representationTypeOpt = "Curve2D"; // this is by IFC2x2 convention, not temporary
axisRep = RepresentationUtil.CreateShapeRepresentation(exporterIFC, element, catId, exporterIFC.Get3DContextHandle(identifierOpt),
identifierOpt, representationTypeOpt, axis_items);
representations.Add(axisRep);
}
}
representations.Add(repHnd);
Transform boundingBoxTrf = (offsetTransform == null) ? Transform.Identity : offsetTransform.Inverse;
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, boundingBoxTrf);
if (boundingBoxRep != null)
{
representations.Add(boundingBoxRep);
}
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
string instanceGUID = GUIDUtil.CreateGUID(element);
string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, NamingUtil.CreateIFCObjectName(exporterIFC, element));
string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
IFCAnyHandle beam = IFCInstanceExporter.CreateBeam(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
instanceName, instanceDescription, instanceObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, instanceTag);
productWrapper.AddElement(element, beam, setter, extrusionCreationData, true);
OpeningUtil.CreateOpeningsIfNecessary(beam, element, extrusionCreationData, offsetTransform, exporterIFC,
extrusionCreationData.GetLocalPlacement(), setter, productWrapper);
FamilyTypeInfo typeInfo = new FamilyTypeInfo();
typeInfo.ScaledDepth = extrusionCreationData.ScaledLength;
typeInfo.ScaledArea = extrusionCreationData.ScaledArea;
typeInfo.ScaledInnerPerimeter = extrusionCreationData.ScaledInnerPerimeter;
typeInfo.ScaledOuterPerimeter = extrusionCreationData.ScaledOuterPerimeter;
PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, beam, element, typeInfo);
if (materialIds.Count != 0)
{
CategoryUtil.CreateMaterialAssociations(exporterIFC, beam, materialIds);
}
// Register the beam's IFC handle for later use by truss and beam system export.
ExporterCacheManager.ElementToHandleCache.Register(element.Id, beam);
}
}
transaction.Commit();
}
}
/// <summary>
/// Exports a roof to IfcRoof.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="ifcEnumType">The roof type.</param>
/// <param name="roof">The roof element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportRoof(ExporterIFC exporterIFC, string ifcEnumType, Element roof, GeometryElement geometryElement,
ProductWrapper productWrapper)
{
if (roof == null || geometryElement == null)
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, roof))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
// If the roof is an in-place family, we will allow any arbitrary orientation. While this may result in some
// in-place "cubes" exporting with the wrong direction, it is unlikely that an in-place family would be
// used for this reason in the first place.
ecData.PossibleExtrusionAxes = (roof is FamilyInstance) ? IFCExtrusionAxes.TryXYZ : IFCExtrusionAxes.TryZ;
ecData.AreInnerRegionsOpenings = true;
ecData.SetLocalPlacement(placementSetter.LocalPlacement);
ElementId categoryId = CategoryUtil.GetSafeCategoryId(roof);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
BodyData bodyData;
IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, roof,
categoryId, geometryElement, bodyExporterOptions, null, ecData, out bodyData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
{
ecData.ClearOpenings();
return;
}
bool exportSlab = ecData.ScaledLength > MathUtil.Eps();
string guid = GUIDUtil.CreateGUID(roof);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
string roofName = NamingUtil.GetNameOverride(roof, NamingUtil.GetIFCName(roof));
string roofDescription = NamingUtil.GetDescriptionOverride(roof, null);
string roofObjectType = NamingUtil.GetObjectTypeOverride(roof, NamingUtil.CreateIFCObjectName(exporterIFC, roof));
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
string elementTag = NamingUtil.GetTagOverride(roof, NamingUtil.CreateIFCElementId(roof));
string roofType = GetIFCRoofType(ifcEnumType);
roofType = IFCValidateEntry.GetValidIFCType(roof, ifcEnumType);
IFCAnyHandle roofHnd = IFCInstanceExporter.CreateRoof(file, guid, ownerHistory, roofName, roofDescription,
roofObjectType, localPlacement, exportSlab ? null : representation, elementTag, roofType);
productWrapper.AddElement(roof, roofHnd, placementSetter.LevelInfo, ecData, true);
// will export its host object materials later if it is a roof
if (!(roof is RoofBase))
{
CategoryUtil.CreateMaterialAssociations(exporterIFC, roofHnd, bodyData.MaterialIds);
}
if (exportSlab)
{
string slabGUID = GUIDUtil.CreateSubElementGUID(roof, (int)IFCRoofSubElements.RoofSlabStart);
string slabName = roofName + ":1";
IFCAnyHandle slabLocalPlacementHnd = ExporterUtil.CopyLocalPlacement(file, localPlacement);
IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, slabGUID, ownerHistory, slabName,
roofDescription, roofObjectType, slabLocalPlacementHnd, representation, elementTag, "ROOF");
Transform offsetTransform = (bodyData != null) ? bodyData.OffsetTransform : Transform.Identity;
OpeningUtil.CreateOpeningsIfNecessary(slabHnd, roof, ecData, offsetTransform,
exporterIFC, slabLocalPlacementHnd, placementSetter, productWrapper);
ExporterUtil.RelateObject(exporterIFC, roofHnd, slabHnd);
productWrapper.AddElement(null, slabHnd, placementSetter.LevelInfo, ecData, false);
CategoryUtil.CreateMaterialAssociations(exporterIFC, slabHnd, bodyData.MaterialIds);
}
}
tr.Commit();
}
}
}
/// <summary>
/// Exports a Rebar to IFC ReinforcingBar.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="rebarItem">The rebar to be exported. This might be an element or a sub-element.</param>
/// <param name="rebarElement">The element that contains the rebar to be exported. This may be the same as rebarItem.</param>
/// <param name="itemIndex">If greater than 0, the index of the first rebar in the rebarItem in the rebarElement, used for naming and GUID creation.</param>
/// <param name="productWrapper">The ProductWrapper object.</param>
/// <returns>The set of handles created, to add to the ProductWrapper in the calling function.</returns>
private static ISet <DelayedProductWrapper> ExportRebar(ExporterIFC exporterIFC, object rebarItem, Element rebarElement, int itemIndex, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
HashSet <DelayedProductWrapper> createdRebars = new HashSet <DelayedProductWrapper>();
int rebarQuantity = GetRebarQuantity(rebarItem);
if (rebarQuantity == 0)
{
return(null);
}
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, rebarElement))
{
bool cannotExportRebar = false;
IFCAnyHandle rebarHandle = ExportRebarAsProxyElementInView(exporterIFC, rebarElement, productWrapper, out cannotExportRebar);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(rebarHandle) || cannotExportRebar)
{
if (!cannotExportRebar)
{
transaction.Commit();
}
return(null); // Rebar doesn't create a group.
}
IFCAnyHandle prodRep = null;
double totalBarLengthUnscale = GetRebarTotalLength(rebarItem);
double volumeUnscale = GetRebarVolume(rebarItem);
double totalBarLength = UnitUtil.ScaleLength(totalBarLengthUnscale);
if (MathUtil.IsAlmostZero(totalBarLength))
{
return(null);
}
ElementId materialId = ElementId.InvalidElementId;
ParameterUtil.GetElementIdValueFromElementOrSymbol(rebarElement, BuiltInParameter.MATERIAL_ID_PARAM, out materialId);
double diameter = GetBarDiameter(rebarItem);
double radius = diameter / 2.0;
double longitudinalBarNominalDiameter = diameter;
double longitudinalBarCrossSectionArea = UnitUtil.ScaleArea(volumeUnscale / totalBarLengthUnscale);
double barLength = totalBarLength / rebarQuantity;
IList <Curve> baseCurves = GetRebarCenterlineCurves(rebarItem, true, false, false);
int numberOfBarPositions = GetNumberOfBarPositions(rebarItem);
string steelGrade = NamingUtil.GetOverrideStringValue(rebarElement, "SteelGrade", null);
// Allow use of IFC2x3 or IFC4 naming.
string predefinedType = NamingUtil.GetOverrideStringValue(rebarElement, "BarRole", null);
if (string.IsNullOrWhiteSpace(predefinedType))
{
predefinedType = NamingUtil.GetOverrideStringValue(rebarElement, "PredefinedType", null);
}
IFCReinforcingBarRole role = GetReinforcingBarRole(predefinedType);
string origRebarName = NamingUtil.GetNameOverride(rebarElement, NamingUtil.GetIFCName(rebarElement));
string rebarDescription = NamingUtil.GetDescriptionOverride(rebarElement, null);
string rebarObjectType = NamingUtil.GetObjectTypeOverride(rebarElement, NamingUtil.CreateIFCObjectName(exporterIFC, rebarElement));
string rebarTag = NamingUtil.GetTagOverride(rebarElement, NamingUtil.CreateIFCElementId(rebarElement));
const int maxBarGUIDS = IFCReinforcingBarSubElements.BarEnd - IFCReinforcingBarSubElements.BarStart + 1;
ElementId categoryId = CategoryUtil.GetSafeCategoryId(rebarElement);
IFCAnyHandle originalPlacement = setter.LocalPlacement;
for (int ii = 0; ii < numberOfBarPositions; ii++)
{
if (!DoesBarExistAtPosition(rebarItem, ii))
{
continue;
}
int indexForNamingAndGUID = (itemIndex > 0) ? ii + itemIndex : ii + 1;
string rebarName = NamingUtil.GetNameOverride(rebarElement, origRebarName + ": " + indexForNamingAndGUID);
Transform barTrf = GetBarPositionTransform(rebarItem, ii);
IList <Curve> curves = new List <Curve>();
double endParam = 0.0;
foreach (Curve baseCurve in baseCurves)
{
if (baseCurve is Arc || baseCurve is Ellipse)
{
if (baseCurve.IsBound)
{
endParam += UnitUtil.ScaleAngle(baseCurve.GetEndParameter(1) - baseCurve.GetEndParameter(0));
}
else
{
endParam += UnitUtil.ScaleAngle(2 * Math.PI);
}
}
else
{
endParam += 1.0;
}
curves.Add(baseCurve.CreateTransformed(barTrf));
}
IFCAnyHandle compositeCurve = GeometryUtil.CreateCompositeCurve(exporterIFC, curves);
IFCAnyHandle sweptDiskSolid = IFCInstanceExporter.CreateSweptDiskSolid(file, compositeCurve, radius, null, 0, endParam);
HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>();
bodyItems.Add(sweptDiskSolid);
IFCAnyHandle shapeRep = RepresentationUtil.CreateAdvancedSweptSolidRep(exporterIFC, rebarElement, categoryId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null);
IList <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>();
shapeReps.Add(shapeRep);
prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
IFCAnyHandle copyLevelPlacement = (ii == 0) ? originalPlacement : ExporterUtil.CopyLocalPlacement(file, originalPlacement);
string rebarGUID = (indexForNamingAndGUID < maxBarGUIDS) ?
GUIDUtil.CreateSubElementGUID(rebarElement, indexForNamingAndGUID + (int)IFCReinforcingBarSubElements.BarStart - 1) :
GUIDUtil.CreateGUID();
IFCAnyHandle elemHnd = IFCInstanceExporter.CreateReinforcingBar(file, rebarGUID, ExporterCacheManager.OwnerHistoryHandle,
rebarName, rebarDescription, rebarObjectType, copyLevelPlacement,
prodRep, rebarTag, steelGrade, longitudinalBarNominalDiameter, longitudinalBarCrossSectionArea,
barLength, role, null);
// We will not add the element ot the productWrapper here, but instead in the function that calls
// ExportRebar. The reason for this is that we don't currently know if the handles such be associated
// to the level or not, depending on whether they will or won't be grouped.
createdRebars.Add(new DelayedProductWrapper(rebarElement, elemHnd, setter.LevelInfo));
ExporterCacheManager.HandleToElementCache.Register(elemHnd, rebarElement.Id);
CategoryUtil.CreateMaterialAssociation(exporterIFC, elemHnd, materialId);
}
}
transaction.Commit();
}
return(createdRebars);
}
/// <summary>
/// Exports an element as an annotation.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="filledRegion">The filled region element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void Export(ExporterIFC exporterIFC, FilledRegion filledRegion,
GeometryElement geometryElement, ProductWrapper productWrapper)
{
if (filledRegion == null || geometryElement == null)
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
IList <CurveLoop> boundaries = filledRegion.GetBoundaries();
if (boundaries.Count == 0)
{
return;
}
Plane plane = null;
try
{
plane = boundaries[0].GetPlane();
}
catch
{
return;
}
Transform orientTrf = Transform.Identity;
orientTrf.BasisX = plane.XVec; orientTrf.BasisY = plane.YVec; orientTrf.BasisZ = plane.Normal;
orientTrf.Origin = plane.Origin;
XYZ projectionDirection = plane.Normal;
IList <IList <CurveLoop> > sortedLoops = ExporterIFCUtils.SortCurveLoops(boundaries);
if (sortedLoops.Count == 0)
{
return;
}
FilledRegionType filledRegionType = filledRegion.Document.GetElement(filledRegion.GetTypeId()) as FilledRegionType;
Color color = filledRegionType != null ? filledRegionType.Color : new Color(0, 0, 0);
ElementId fillPatternId = filledRegionType != null ? filledRegionType.FillPatternId : ElementId.InvalidElementId;
ElementId categoryId = CategoryUtil.GetSafeCategoryId(filledRegion);
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, filledRegion, null, orientTrf))
{
foreach (IList <CurveLoop> curveLoopList in sortedLoops)
{
IFCAnyHandle outerCurve = null;
HashSet <IFCAnyHandle> innerCurves = null;
for (int ii = 0; ii < curveLoopList.Count; ii++)
{
IFCAnyHandle ifcCurve = GeometryUtil.CreateIFCCurveFromCurveLoop(exporterIFC, curveLoopList[ii], plane, projectionDirection);
if (ii == 0)
{
outerCurve = ifcCurve;
}
else
{
if (innerCurves == null)
{
innerCurves = new HashSet <IFCAnyHandle>();
}
innerCurves.Add(ifcCurve);
}
}
IFCAnyHandle representItem = IFCInstanceExporter.CreateAnnotationFillArea(file, outerCurve, innerCurves);
file.CreateStyle(exporterIFC, representItem, color, fillPatternId);
HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>();
bodyItems.Add(representItem);
IFCAnyHandle bodyRepHnd = RepresentationUtil.CreateAnnotationSetRep(exporterIFC, filledRegion, categoryId,
exporterIFC.Get2DContextHandle(), bodyItems);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepHnd))
{
return;
}
List <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>();
shapeReps.Add(bodyRepHnd);
IFCAnyHandle productShape = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
IFCAnyHandle annotation = IFCInstanceExporter.CreateAnnotation(file, GUIDUtil.CreateGUID(), exporterIFC.GetOwnerHistoryHandle(),
null, null, null, setter.LocalPlacement, productShape);
productWrapper.AddAnnotation(annotation, setter.LevelInfo, true);
}
}
transaction.Commit();
}
}
/// <summary>
/// Exports a roof or floor as a container of multiple roof slabs. Returns the handle, if successful.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="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();
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, plane, extrusionDir, scaledExtrusionDepth, false);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
{
return(null);
}
ElementId matId = HostObjectExporter.GetFirstLayerMaterialId(element as HostObject);
BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, element.Document, shapeRep, matId);
HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>();
bodyItems.Add(shapeRep);
shapeRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, element, catId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null);
IList <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>();
shapeReps.Add(shapeRep);
IFCAnyHandle repHnd = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
// Allow support for up to 256 named IfcSlab components, as defined in IFCSubElementEnums.cs.
string slabGUID = (loopNum < 256) ? GUIDUtil.CreateSubElementGUID(element, subElementStart + loopNum) : GUIDUtil.CreateGUID();
IFCAnyHandle slabPlacement = ExporterUtil.CreateLocalPlacement(file, slabExtrusionCreationData.GetLocalPlacement(), null);
IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, slabGUID, ownerHistory, elementName,
elementDescription, elementObjectType, slabPlacement, repHnd, elementId, subSlabType);
//slab quantities
slabExtrusionCreationData.ScaledLength = scaledExtrusionDepth;
slabExtrusionCreationData.ScaledArea = UnitUtil.ScaleArea(UnitUtil.ScaleArea(hostObjectSubcomponent.AreaOfCurveLoop));
slabExtrusionCreationData.ScaledOuterPerimeter = UnitUtil.ScaleLength(curveLoops[0].GetExactLength());
slabExtrusionCreationData.Slope = UnitUtil.ScaleAngle(MathUtil.SafeAcos(Math.Abs(slope)));
productWrapper.AddElement(null, slabHnd, setter, slabExtrusionCreationData, false);
elementHandles.Add(slabHnd);
slabHandles.Add(slabHnd);
hostObjectOpeningLoops.Add(slabCurveLoop);
maximumScaledDepth = Math.Max(maximumScaledDepth, scaledDepth);
loopNum++;
}
}
productWrapper.AddElement(element, hostObjectHandle, setter, extrusionCreationData, true);
ExporterUtil.RelateObjects(exporterIFC, null, hostObjectHandle, slabHandles);
OpeningUtil.AddOpeningsToElement(exporterIFC, elementHandles, hostObjectOpeningLoops, element, null, maximumScaledDepth,
null, setter, localPlacement, productWrapper);
transaction.Commit();
return(hostObjectHandle);
}
}
}
finally
{
exporterIFC.ClearFaceWithElementHandleMap();
}
}
}
}
/// <summary>
/// Exports an element to IfcPile.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="ifcEnumType">The string value represents the IFC type.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportPile(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
string ifcEnumType, ProductWrapper productWrapper)
{
// NOTE: We expect to incorporate this code into the generic FamilyInstanceExporter at some point.
// export parts or not
bool exportParts = PartExporter.CanExportParts(element);
if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.LevelId, false))
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
// Check for containment override
IFCAnyHandle overrideContainerHnd = null;
ElementId overrideContainerId = ParameterUtil.OverrideContainmentParameter(exporterIFC, element, out overrideContainerHnd);
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, null, null, overrideContainerId, overrideContainerHnd))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(setter.LocalPlacement);
IFCAnyHandle prodRep = null;
ElementId matId = ElementId.InvalidElementId;
if (!exportParts)
{
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
StructuralMemberAxisInfo axisInfo = StructuralMemberExporter.GetStructuralMemberAxisTransform(element);
if (axisInfo != null)
{
ecData.CustomAxis = axisInfo.AxisDirection;
ecData.PossibleExtrusionAxes = IFCExtrusionAxes.TryCustom;
}
else
{
ecData.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;
}
prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
element, catId, geometryElement, bodyExporterOptions, null, ecData, true);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
{
ecData.ClearOpenings();
return;
}
}
string instanceGUID = GUIDUtil.CreateGUID(element);
IFCExportInfoPair exportInfo = new IFCExportInfoPair(Common.Enums.IFCEntityType.IfcPile, ifcEnumType);
IFCAnyHandle pile = IFCInstanceExporter.CreatePile(exporterIFC, element, instanceGUID, ExporterCacheManager.OwnerHistoryHandle,
ecData.GetLocalPlacement(), prodRep, ifcEnumType, null);
// TODO: to allow shared geometry for Piles. For now, Pile export will not use shared geometry
if (exportInfo.ExportType != Common.Enums.IFCEntityType.UnKnown)
{
IFCAnyHandle type = ExporterUtil.CreateGenericTypeFromElement(element, exportInfo, file, ExporterCacheManager.OwnerHistoryHandle, exportInfo.ValidatedPredefinedType, productWrapper);
ExporterCacheManager.TypeRelationsCache.Add(type, pile);
}
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, element, pile, productWrapper, setter, setter.LocalPlacement, null);
}
else
{
if (matId != ElementId.InvalidElementId)
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, pile, matId);
}
}
productWrapper.AddElement(element, pile, setter, ecData, true, exportInfo);
OpeningUtil.CreateOpeningsIfNecessary(pile, element, ecData, null,
exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
}
}
tr.Commit();
}
}
/// <summary>
/// Exports a generic element as an IfcSlab.</summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="floor">The floor element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="ifcEnumType">The string value represents the IFC type.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <returns>True if the floor is exported successfully, false otherwise.</returns>
public static void ExportGenericSlab(ExporterIFC exporterIFC, Element slabElement, GeometryElement geometryElement, string ifcEnumType,
ProductWrapper productWrapper)
{
if (geometryElement == null)
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (IFCTransformSetter transformSetter = IFCTransformSetter.Create())
{
using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, slabElement))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
bool exportParts = PartExporter.CanExportParts(slabElement);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
IFCAnyHandle localPlacement = placementSetter.LocalPlacement;
IFCAnyHandle prodDefHnd = null;
bool isBRepSlabHnd = false;
if (!exportParts)
{
ecData.SetLocalPlacement(localPlacement);
ElementId catId = CategoryUtil.GetSafeCategoryId(slabElement);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.Medium);
BodyData bodyData;
prodDefHnd = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
slabElement, catId, geometryElement, bodyExporterOptions, null, ecData, out bodyData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodDefHnd))
{
ecData.ClearOpenings();
return;
}
isBRepSlabHnd = (bodyData.ShapeRepresentationType == ShapeRepresentationType.Brep || bodyData.ShapeRepresentationType == ShapeRepresentationType.Tessellation);
}
// Create the slab from either the extrusion or the BRep information.
string ifcGUID = GUIDUtil.CreateGUID(slabElement);
string entityType = IFCValidateEntry.GetValidIFCType <IFCSlabType>(slabElement, ifcEnumType, "FLOOR");
IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(exporterIFC, slabElement, ifcGUID, ownerHistory,
localPlacement, exportParts ? null : prodDefHnd, entityType);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(slabHnd))
{
return;
}
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, slabElement, slabHnd, productWrapper, placementSetter, localPlacement, null);
}
productWrapper.AddElement(slabElement, slabHnd, placementSetter, ecData, true);
if (!exportParts)
{
IFCExportInfoPair exportInfo = new IFCExportInfoPair(IFCEntityType.IfcSlab, IFCEntityType.IfcSlabType, entityType);
IFCAnyHandle typeHnd = ExporterUtil.CreateGenericTypeFromElement(slabElement, exportInfo, file, ownerHistory, entityType, productWrapper);
ExporterCacheManager.TypeRelationsCache.Add(typeHnd, slabHnd);
if (slabElement is HostObject)
{
HostObject hostObject = slabElement as HostObject;
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, hostObject, slabHnd,
geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, isBRepSlabHnd, typeHnd);
}
else if (slabElement is FamilyInstance)
{
ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, slabElement);
//Document doc = slabElement.Document;
if (typeHnd != null)
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, typeHnd, matId);
}
else
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, slabHnd, matId);
}
}
OpeningUtil.CreateOpeningsIfNecessary(slabHnd, slabElement, ecData, null,
exporterIFC, ecData.GetLocalPlacement(), placementSetter, productWrapper);
}
}
}
tr.Commit();
return;
}
}
}
/// <summary>
/// Exports a CeilingAndFloor element to IFC.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="floor">The floor element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportCeilingAndFloorElement(ExporterIFC exporterIFC, CeilingAndFloor floorElement, GeometryElement geometryElement,
ProductWrapper productWrapper)
{
if (geometryElement == null)
{
return;
}
// export parts or not
bool exportParts = PartExporter.CanExportParts(floorElement);
if (exportParts && !PartExporter.CanExportElementInPartExport(floorElement, floorElement.LevelId, false))
{
return;
}
IFCFile file = exporterIFC.GetFile();
string ifcEnumType;
IFCExportInfoPair exportType = ExporterUtil.GetExportType(exporterIFC, floorElement, out ifcEnumType);
IFCAnyHandle type = null;
// 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;
}
}
using (IFCTransaction tr = new IFCTransaction(file))
{
bool canExportAsContainerOrWithExtrusionAnalyzer = (!exportParts && (floorElement is Floor));
if (canExportAsContainerOrWithExtrusionAnalyzer)
{
// Try to export the Floor slab as a container. If that succeeds, we are done.
// If we do export the floor as a container, it will take care of the local placement and transform there, so we need to leave
// this out of the IFCTransformSetter and PlacementSetter scopes below, or else we'll get double transforms.
IFCAnyHandle floorHnd = RoofExporter.ExportRoofOrFloorAsContainer(exporterIFC, ifcEnumType, floorElement, geometryElement, productWrapper);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(floorHnd))
{
tr.Commit();
return;
}
}
IList <IFCAnyHandle> slabHnds = new List <IFCAnyHandle>();
IList <IFCAnyHandle> brepSlabHnds = new List <IFCAnyHandle>();
IList <IFCAnyHandle> nonBrepSlabHnds = new List <IFCAnyHandle>();
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
using (IFCTransformSetter transformSetter = IFCTransformSetter.Create())
{
using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, floorElement))
{
IFCAnyHandle localPlacement = placementSetter.LocalPlacement;
// The routine ExportExtrudedSlabOpenings is called if exportedAsInternalExtrusion is true, and it requires having a valid level association.
// Disable calling ExportSlabAsExtrusion if we can't handle potential openings.
bool canExportAsInternalExtrusion = placementSetter.LevelInfo != null;
bool exportedAsInternalExtrusion = false;
ElementId catId = CategoryUtil.GetSafeCategoryId(floorElement);
IList <IFCAnyHandle> prodReps = new List <IFCAnyHandle>();
IList <ShapeRepresentationType> repTypes = new List <ShapeRepresentationType>();
IList <IList <CurveLoop> > extrusionLoops = new List <IList <CurveLoop> >();
IList <IFCExtrusionCreationData> loopExtraParams = new List <IFCExtrusionCreationData>();
Plane floorPlane = GeometryUtil.CreateDefaultPlane();
IList <IFCAnyHandle> localPlacements = new List <IFCAnyHandle>();
if (canExportAsContainerOrWithExtrusionAnalyzer)
{
Floor floor = floorElement as Floor;
// Next, try to use the ExtrusionAnalyzer for the limited cases it handles - 1 solid, no openings, end clippings only.
// Also limited to cases with line and arc boundaries.
//
SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement);
IList <Solid> solids = solidMeshInfo.GetSolids();
IList <Mesh> meshes = solidMeshInfo.GetMeshes();
if (solids.Count == 1 && meshes.Count == 0)
{
bool completelyClipped;
// floorExtrusionDirection is set to (0, 0, -1) because extrusionAnalyzerFloorPlane is computed from the top face of the floor
XYZ floorExtrusionDirection = new XYZ(0, 0, -1);
XYZ modelOrigin = XYZ.Zero;
XYZ floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top);
if (floorOrigin == null)
{
// GetVerticalProjectionPoint may return null if FloorFace.Top is an edited face that doesn't
// go through the Revit model origin. We'll try the midpoint of the bounding box instead.
BoundingBoxXYZ boundingBox = floorElement.get_BoundingBox(null);
modelOrigin = (boundingBox.Min + boundingBox.Max) / 2.0;
floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top);
}
if (floorOrigin != null)
{
XYZ floorDir = floor.GetNormalAtVerticalProjectionPoint(floorOrigin, FloorFace.Top);
Plane extrusionAnalyzerFloorBasePlane = GeometryUtil.CreatePlaneByNormalAtOrigin(floorDir);
GenerateAdditionalInfo additionalInfo = ExporterCacheManager.ExportOptionsCache.ExportAs4 ? GenerateAdditionalInfo.GenerateFootprint : GenerateAdditionalInfo.None;
HandleAndData floorAndProperties =
ExtrusionExporter.CreateExtrusionWithClippingAndProperties(exporterIFC, floorElement,
catId, solids[0], extrusionAnalyzerFloorBasePlane, floorOrigin, floorExtrusionDirection, null, out completelyClipped,
addInfo: additionalInfo);
if (completelyClipped)
{
return;
}
if (floorAndProperties.Handle != null)
{
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
representations.Add(floorAndProperties.Handle);
// Footprint representation will only be exported in export to IFC4
if (((additionalInfo & GenerateAdditionalInfo.GenerateFootprint) != 0) && (floorAndProperties.FootprintInfo != null))
{
if (!(IFCAnyHandleUtil.IsNullOrHasNoValue(floorAndProperties.FootprintInfo.FootPrintHandle)))
{
representations.Add(floorAndProperties.FootprintInfo.FootPrintHandle);
}
}
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
prodReps.Add(prodRep);
repTypes.Add(ShapeRepresentationType.SweptSolid);
if (floorAndProperties.Data != null)
{
loopExtraParams.Add(floorAndProperties.Data);
}
}
}
}
}
// Use internal routine as backup that handles openings.
if (prodReps.Count == 0 && canExportAsInternalExtrusion && !ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)
{
//IList<IFCAnyHandle> prodRepsTmp = new List<IFCAnyHandle>();
exportedAsInternalExtrusion = ExporterIFCUtils.ExportSlabAsExtrusion(exporterIFC, floorElement,
geometryElement, transformSetter, localPlacement, out localPlacements, out prodReps,
out extrusionLoops, out loopExtraParams, floorPlane);
for (int ii = 0; ii < prodReps.Count; ii++)
{
// all are extrusions
repTypes.Add(ShapeRepresentationType.SweptSolid);
// Footprint representation will only be exported in export to IFC4
if (ExporterCacheManager.ExportOptionsCache.ExportAs4)
{
// Get back the representations, we need to add the Footprint to it
//IList<IFCAnyHandle> representations = IFCAnyHandleUtil.GetRepresentations(prodRepsTmp[ii]);
if (extrusionLoops.Count > ii)
{
if (extrusionLoops[ii].Count > 0)
{
// Get the extrusion footprint using the first Curveloop. Transform needs to be obtained from the returned local placement
Transform lcs = ExporterIFCUtils.GetUnscaledTransform(exporterIFC, localPlacements[ii]);
IFCAnyHandle footprintGeomRepItem = GeometryUtil.CreateIFCCurveFromCurveLoop(exporterIFC, extrusionLoops[ii][0], lcs, floorPlane.Normal);
IFCAnyHandle contextOfItemsFootprint = exporterIFC.Get3DContextHandle("FootPrint");
ISet <IFCAnyHandle> repItem = new HashSet <IFCAnyHandle>();
repItem.Add(footprintGeomRepItem);
IFCAnyHandle footprintShapeRepresentation = RepresentationUtil.CreateBaseShapeRepresentation(exporterIFC, contextOfItemsFootprint, "FootPrint", "Curve2D", repItem);
//representations.Add(footprintShapeRepresentation);
IList <IFCAnyHandle> reps = new List <IFCAnyHandle>();
reps.Add(footprintShapeRepresentation);
IFCAnyHandleUtil.AddRepresentations(prodReps[ii], reps);
}
}
//IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
//prodReps.Add(prodRep);
}
else
{
//prodReps.Add(prodRepsTmp[ii]);
}
// We do not need the prodRepsTmp anymore, delete the handle:
//prodRepsTmp[ii].Delete();
}
}
if (prodReps.Count == 0)
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
// Brep representation using tesellation after ExportSlabAsExtrusion does not return prodReps
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.Medium);
BodyData bodyData;
IFCAnyHandle prodDefHnd = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
floorElement, catId, geometryElement, bodyExporterOptions, null, ecData, out bodyData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodDefHnd))
{
ecData.ClearOpenings();
return;
}
prodReps.Add(prodDefHnd);
repTypes.Add(bodyData.ShapeRepresentationType);
}
}
// Create the slab from either the extrusion or the BRep information.
string ifcGUID = GUIDUtil.CreateGUID(floorElement);
int numReps = exportParts ? 1 : prodReps.Count;
switch (exportType.ExportInstance)
{
case IFCEntityType.IfcFooting:
if (ExporterCacheManager.ExportOptionsCache.ExportAs4)
{
exportType.ValidatedPredefinedType = IFCValidateEntry.GetValidIFCType <Revit.IFC.Export.Toolkit.IFC4.IFCFootingType>(floorElement, ifcEnumType, null);
}
else
{
exportType.ValidatedPredefinedType = IFCValidateEntry.GetValidIFCType <IFCFootingType>(floorElement, ifcEnumType, null);
}
break;
case IFCEntityType.IfcCovering:
exportType.ValidatedPredefinedType = IFCValidateEntry.GetValidIFCType <IFCCoveringType>(floorElement, ifcEnumType, "FLOORING");
break;
case IFCEntityType.IfcRamp:
if (ExporterCacheManager.ExportOptionsCache.ExportAs4)
{
exportType.ValidatedPredefinedType = IFCValidateEntry.GetValidIFCType <Revit.IFC.Export.Toolkit.IFC4.IFCRampType>(floorElement, ifcEnumType, null);
}
else
{
exportType.ValidatedPredefinedType = IFCValidateEntry.GetValidIFCType <IFCRampType>(floorElement, ifcEnumType, null);
}
break;
default:
bool isBaseSlab = false;
AnalyticalModel analyticalModel = floorElement.GetAnalyticalModel();
if (analyticalModel != null)
{
AnalyzeAs slabFoundationType = analyticalModel.GetAnalyzeAs();
isBaseSlab = (slabFoundationType == AnalyzeAs.SlabOnGrade) || (slabFoundationType == AnalyzeAs.Mat);
}
exportType.ValidatedPredefinedType = IFCValidateEntry.GetValidIFCType <IFCSlabType>(floorElement, ifcEnumType, isBaseSlab ? "BASESLAB" : "FLOOR");
break;
}
for (int ii = 0; ii < numReps; ii++)
{
string ifcName = NamingUtil.GetNameOverride(floorElement, NamingUtil.GetIFCNamePlusIndex(floorElement, ii == 0 ? -1 : ii + 1));
string currentGUID = (ii == 0) ? ifcGUID : GUIDUtil.CreateGUID();
IFCAnyHandle localPlacementHnd = exportedAsInternalExtrusion ? localPlacements[ii] : localPlacement;
IFCAnyHandle slabHnd = null;
slabHnd = IFCInstanceExporter.CreateGenericIFCEntity(exportType, exporterIFC, floorElement, currentGUID, ownerHistory,
localPlacementHnd, exportParts ? null : prodReps[ii]);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(slabHnd))
{
return;
}
if (!string.IsNullOrEmpty(ifcName))
{
IFCAnyHandleUtil.OverrideNameAttribute(slabHnd, ifcName);
}
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, floorElement, slabHnd, productWrapper, placementSetter, localPlacementHnd, null);
}
slabHnds.Add(slabHnd);
if (!exportParts)
{
if (repTypes[ii] == ShapeRepresentationType.Brep || repTypes[ii] == ShapeRepresentationType.Tessellation)
{
brepSlabHnds.Add(slabHnd);
}
else
{
nonBrepSlabHnds.Add(slabHnd);
}
}
}
for (int ii = 0; ii < numReps; ii++)
{
IFCExtrusionCreationData loopExtraParam = ii < loopExtraParams.Count ? loopExtraParams[ii] : null;
productWrapper.AddElement(floorElement, slabHnds[ii], placementSetter, loopExtraParam, true);
type = ExporterUtil.CreateGenericTypeFromElement(floorElement, exportType, file, ownerHistory, exportType.ValidatedPredefinedType, productWrapper);
ExporterCacheManager.TypeRelationsCache.Add(type, slabHnds[ii]);
}
// This call to the native function appears to create Brep opening also when appropriate. But the creation of the IFC instances is not
// controllable from the managed code. Therefore in some cases BRep geometry for Opening will still be exported even in the Reference View
if (exportedAsInternalExtrusion)
{
ExporterIFCUtils.ExportExtrudedSlabOpenings(exporterIFC, floorElement, placementSetter.LevelInfo,
localPlacements[0], slabHnds, extrusionLoops, floorPlane, productWrapper.ToNative());
}
}
if (!exportParts)
{
if (nonBrepSlabHnds.Count > 0)
{
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, floorElement, nonBrepSlabHnds,
geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, false, type);
}
if (brepSlabHnds.Count > 0)
{
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, floorElement, brepSlabHnds,
geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, true, type);
}
}
}
tr.Commit();
return;
}
}
/// <summary>
/// Export one IFCGrid in one level.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="levelId">The level ID.</param>
/// <param name="sameDirectionAxesU">The U axes of grids.</param>
/// <param name="sameDirectionAxesV">The V axes of grids.</param>
/// <param name="sameDirectionAxesW">The W axes of grids.</param>
public static void ExportGrid(ExporterIFC exporterIFC, ElementId levelId, List <Grid> sameDirectionAxesU, List <Grid> sameDirectionAxesV, List <Grid> sameDirectionAxesW)
{
List <IFCAnyHandle> axesU = null;
List <IFCAnyHandle> axesV = null;
List <IFCAnyHandle> axesW = null;
List <IFCAnyHandle> representations = new List <IFCAnyHandle>();
using (ProductWrapper productWrapper = ProductWrapper.Create(exporterIFC, true))
{
IFCFile ifcFile = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(ifcFile))
{
GridRepresentationData gridRepresentationData = new GridRepresentationData();
axesU = CreateIFCGridAxisAndRepresentations(exporterIFC, productWrapper, sameDirectionAxesU, representations, gridRepresentationData);
axesV = CreateIFCGridAxisAndRepresentations(exporterIFC, productWrapper, sameDirectionAxesV, representations, gridRepresentationData);
if (sameDirectionAxesW != null)
{
axesW = CreateIFCGridAxisAndRepresentations(exporterIFC, productWrapper, sameDirectionAxesW, representations, gridRepresentationData);
}
IFCAnyHandle contextOfItemsFootPrint = exporterIFC.Get3DContextHandle("FootPrint");
string identifierOpt = "FootPrint";
string representationTypeOpt = "GeometricCurveSet";
int numGridsToExport = gridRepresentationData.m_Grids.Count;
if (numGridsToExport == 0)
{
return;
}
bool useIFCCADLayer = !string.IsNullOrWhiteSpace(gridRepresentationData.m_IFCCADLayer);
IFCAnyHandle shapeRepresentation = null;
HashSet <IFCAnyHandle> allCurves = new HashSet <IFCAnyHandle>();
for (int ii = 0; ii < numGridsToExport; ii++)
{
allCurves.UnionWith(gridRepresentationData.m_curveSets[ii]);
}
if (useIFCCADLayer)
{
shapeRepresentation = RepresentationUtil.CreateShapeRepresentation(exporterIFC, contextOfItemsFootPrint,
identifierOpt, representationTypeOpt, allCurves, gridRepresentationData.m_IFCCADLayer);
}
else
{
ElementId catId = CategoryUtil.GetSafeCategoryId(gridRepresentationData.m_Grids[0]);
shapeRepresentation = RepresentationUtil.CreateShapeRepresentation(exporterIFC, gridRepresentationData.m_Grids[0], catId,
contextOfItemsFootPrint, identifierOpt, representationTypeOpt, allCurves);
}
representations.Add(shapeRepresentation);
IFCAnyHandle productRep = IFCInstanceExporter.CreateProductDefinitionShape(ifcFile, null, null, representations);
IFCLevelInfo levelInfo = ExporterCacheManager.LevelInfoCache.GetLevelInfo(exporterIFC, levelId);
string gridGUID = GUIDUtil.CreateGUID();
// Get the first grid's override name, if cannot find it, use null.
string gridName = GetGridName(sameDirectionAxesU, sameDirectionAxesV, sameDirectionAxesW);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
IFCAnyHandle gridLevelHandle = levelInfo.GetBuildingStorey();
IFCAnyHandle levelObjectPlacement = IFCAnyHandleUtil.GetObjectPlacement(gridLevelHandle);
double elev = levelInfo.Elevation;
double elevation = UnitUtil.ScaleLength(elev);
XYZ orig = new XYZ(0.0, 0.0, elevation);
IFCAnyHandle copyLevelPlacement = ExporterUtil.CopyLocalPlacement(ifcFile, levelObjectPlacement);
IFCAnyHandle ifcGrid = IFCInstanceExporter.CreateGrid(ifcFile, gridGUID, ownerHistory, gridName, null, null, copyLevelPlacement, productRep, axesU, axesV, axesW);
productWrapper.AddElement(null, ifcGrid, levelInfo, null, true);
transaction.Commit();
}
}
}
/// <summary>
/// Exports a geometry element to boundary representation.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="exportBoundaryRep">True if to export boundary representation.</param>
/// <param name="exportAsFacetation">True if to export the geometry as facetation.</param>
/// <param name="bodyRep">Body representation.</param>
/// <param name="boundaryRep">Boundary representation.</param>
/// <returns>True if success, false if fail.</returns>
public static bool ExportSurface(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
bool exportBoundaryRep, bool exportAsFacetation, ref IFCAnyHandle bodyRep, ref IFCAnyHandle boundaryRep)
{
if (geometryElement == null)
{
return(false);
}
IFCGeometryInfo ifcGeomInfo = null;
Document doc = element.Document;
Plane plane = GeometryUtil.CreateDefaultPlane();
XYZ projDir = new XYZ(0, 0, 1);
double eps = UnitUtil.ScaleLength(doc.Application.VertexTolerance);
ifcGeomInfo = IFCGeometryInfo.CreateFaceGeometryInfo(exporterIFC, plane, projDir, eps, exportBoundaryRep);
ExporterIFCUtils.CollectGeometryInfo(exporterIFC, ifcGeomInfo, geometryElement, XYZ.Zero, true);
IFCFile file = exporterIFC.GetFile();
HashSet <IFCAnyHandle> faceSets = new HashSet <IFCAnyHandle>();
IList <ICollection <IFCAnyHandle> > faceList = ifcGeomInfo.GetFaces();
foreach (ICollection <IFCAnyHandle> faces in faceList)
{
// no faces, don't complain.
if (faces.Count == 0)
{
continue;
}
HashSet <IFCAnyHandle> faceSet = new HashSet <IFCAnyHandle>(faces);
faceSets.Add(IFCInstanceExporter.CreateConnectedFaceSet(file, faceSet));
}
if (faceSets.Count == 0)
{
return(false);
}
IFCAnyHandle surface = IFCInstanceExporter.CreateFaceBasedSurfaceModel(file, faceSets);
BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, doc, surface, BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, element));
ISet <IFCAnyHandle> surfaceItems = new HashSet <IFCAnyHandle>();
surfaceItems.Add(surface);
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
bodyRep = RepresentationUtil.CreateSurfaceRep(exporterIFC, element, catId, exporterIFC.Get3DContextHandle("Body"), surfaceItems,
exportAsFacetation, bodyRep);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
return(false);
}
ICollection <IFCAnyHandle> boundaryRepresentations = ifcGeomInfo.GetRepresentations();
if (exportBoundaryRep && boundaryRepresentations.Count > 0)
{
HashSet <IFCAnyHandle> boundaryRepresentationSet = new HashSet <IFCAnyHandle>();
boundaryRepresentationSet.UnionWith(boundaryRepresentations);
boundaryRep = RepresentationUtil.CreateBoundaryRep(exporterIFC, element, catId, exporterIFC.Get3DContextHandle("FootPrint"), boundaryRepresentationSet,
boundaryRep);
}
return(true);
}
/// <summary>
/// Exports an element as IFC covering.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element to be exported.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportCovering(ExporterIFC exporterIFC, Element element, GeometryElement geomElem, string ifcEnumType, ProductWrapper productWrapper)
{
bool exportParts = PartExporter.CanExportParts(element);
if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.LevelId, false))
{
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.IfcCovering;
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType;
IFCFile file = exporterIFC.GetFile();
MaterialLayerSetInfo layersetInfo = null;
using (IFCTransaction transaction = new IFCTransaction(file))
{
// For IFC4RV export, Ceiling will be split into its parts(temporarily) in order to export the ceiling by its parts
bool exportByComponents = ExporterUtil.ShouldExportByComponents(element, exportParts);
// Check for containment override
IFCAnyHandle overrideContainerHnd = null;
ElementId overrideContainerId = ParameterUtil.OverrideContainmentParameter(exporterIFC, element, out overrideContainerHnd);
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, null, null, overrideContainerId, overrideContainerHnd))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
IFCAnyHandle prodRep = null;
if (!exportParts)
{
ecData.SetLocalPlacement(setter.LocalPlacement);
ecData.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
if (exportByComponents)
{
prodRep = RepresentationUtil.CreateProductDefinitionShapeWithoutBodyRep(exporterIFC, element, categoryId, geomElem, representations);
}
else
{
prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element,
categoryId, geomElem, bodyExporterOptions, null, ecData, true);
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
{
ecData.ClearOpenings();
return;
}
}
// We will use the category of the element to set a default value for the covering.
string defaultCoveringEnumType = null;
if (categoryId == new ElementId(BuiltInCategory.OST_Ceilings))
{
defaultCoveringEnumType = "CEILING";
}
else if (categoryId == new ElementId(BuiltInCategory.OST_Floors))
{
defaultCoveringEnumType = "FLOORING";
}
else if (categoryId == new ElementId(BuiltInCategory.OST_Roofs))
{
defaultCoveringEnumType = "ROOFING";
}
string instanceGUID = GUIDUtil.CreateGUID(element);
string coveringType = IFCValidateEntry.GetValidIFCPredefinedTypeType(/*element,*/ ifcEnumType, defaultCoveringEnumType, "IfcCoveringType");
IFCAnyHandle covering = IFCInstanceExporter.CreateCovering(exporterIFC, element, instanceGUID, ExporterCacheManager.OwnerHistoryHandle,
setter.LocalPlacement, prodRep, coveringType);
if (exportParts && !ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)
{
PartExporter.ExportHostPart(exporterIFC, element, covering, productWrapper, setter, setter.LocalPlacement, null);
}
else if (exportByComponents)
{
IFCAnyHandle hostShapeRepFromParts = PartExporter.ExportHostPartAsShapeAspects(exporterIFC, element, prodRep,
productWrapper, setter, setter.LocalPlacement, ElementId.InvalidElementId, out layersetInfo, ecData);
}
ExporterUtil.AddIntoComplexPropertyCache(covering, layersetInfo);
IFCExportInfoPair exportInfo = new IFCExportInfoPair(IFCEntityType.IfcCovering, IFCEntityType.IfcCoveringType, coveringType);
IFCAnyHandle typeHnd = ExporterUtil.CreateGenericTypeFromElement(element, exportInfo, file, ExporterCacheManager.OwnerHistoryHandle, coveringType, productWrapper);
ExporterCacheManager.TypeRelationsCache.Add(typeHnd, covering);
bool containInSpace = false;
IFCAnyHandle localPlacementToUse = setter.LocalPlacement;
// Ceiling containment in Space is generally required and not specific to any view
if (ExporterCacheManager.CeilingSpaceRelCache.ContainsKey(element.Id))
{
IList <ElementId> roomlist = ExporterCacheManager.CeilingSpaceRelCache[element.Id];
// Process Ceiling to be contained in a Space only when it is exactly bounding one Space
if (roomlist.Count == 1)
{
productWrapper.AddElement(element, covering, setter, ecData, false, exportInfo);
// Modify the Ceiling placement to be relative to the Space that it bounds
IFCAnyHandle roomPlacement = IFCAnyHandleUtil.GetObjectPlacement(ExporterCacheManager.SpaceInfoCache.FindSpaceHandle(roomlist[0]));
Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(roomPlacement, localPlacementToUse);
Transform inverseTrf = relTrf.Inverse;
IFCAnyHandle relLocalPlacement = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
IFCAnyHandleUtil.SetAttribute(localPlacementToUse, "PlacementRelTo", roomPlacement);
GeometryUtil.SetRelativePlacement(localPlacementToUse, relLocalPlacement);
ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomlist[0], covering);
containInSpace = true;
}
}
// if not contained in Space, assign it to default containment in Level
if (!containInSpace)
{
productWrapper.AddElement(element, covering, setter, ecData, true, exportInfo);
}
if (!exportParts)
{
Ceiling ceiling = element as Ceiling;
if (ceiling != null)
{
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, ceiling, covering,
geomElem, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, null, null);
}
else
{
ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geomElem, exporterIFC, element);
CategoryUtil.CreateMaterialAssociation(exporterIFC, covering, matId);
}
}
OpeningUtil.CreateOpeningsIfNecessary(covering, element, ecData, null,
exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
}
}
transaction.Commit();
}
}
/// <summary>
/// Export one IFCGrid in one level.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="levelId">The level ID.</param>
/// <param name="sameDirectionAxesU">The U axes of grids.</param>
/// <param name="sameDirectionAxesV">The V axes of grids.</param>
/// <param name="sameDirectionAxesW">The W axes of grids.</param>
public static void ExportGrid(ExporterIFC exporterIFC, ElementId levelId, string gridName, List <Grid> sameDirectionAxesU, List <Grid> sameDirectionAxesV, List <Grid> sameDirectionAxesW)
{
List <IFCAnyHandle> axesU = null;
List <IFCAnyHandle> axesV = null;
List <IFCAnyHandle> axesW = null;
List <IFCAnyHandle> representations = new List <IFCAnyHandle>();
using (ProductWrapper productWrapper = ProductWrapper.Create(exporterIFC, true))
{
IFCFile ifcFile = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(ifcFile))
{
GridRepresentationData gridRepresentationData = new GridRepresentationData();
axesU = CreateIFCGridAxisAndRepresentations(exporterIFC, productWrapper, sameDirectionAxesU, representations, gridRepresentationData);
axesV = CreateIFCGridAxisAndRepresentations(exporterIFC, productWrapper, sameDirectionAxesV, representations, gridRepresentationData);
if (sameDirectionAxesW != null)
{
axesW = CreateIFCGridAxisAndRepresentations(exporterIFC, productWrapper, sameDirectionAxesW, representations, gridRepresentationData);
}
IFCAnyHandle contextOfItemsFootPrint = exporterIFC.Get3DContextHandle("FootPrint");
string identifierOpt = "FootPrint";
string representationTypeOpt = "GeometricCurveSet";
int numGridsToExport = gridRepresentationData.m_Grids.Count;
if (numGridsToExport == 0)
{
return;
}
bool useIFCCADLayer = !string.IsNullOrWhiteSpace(gridRepresentationData.m_IFCCADLayer);
IFCAnyHandle shapeRepresentation = null;
HashSet <IFCAnyHandle> allCurves = new HashSet <IFCAnyHandle>();
for (int ii = 0; ii < numGridsToExport; ii++)
{
allCurves.UnionWith(gridRepresentationData.m_curveSets[ii]);
}
if (useIFCCADLayer)
{
shapeRepresentation = RepresentationUtil.CreateShapeRepresentation(exporterIFC, contextOfItemsFootPrint,
identifierOpt, representationTypeOpt, allCurves, gridRepresentationData.m_IFCCADLayer);
}
else
{
ElementId catId = CategoryUtil.GetSafeCategoryId(gridRepresentationData.m_Grids[0]);
shapeRepresentation = RepresentationUtil.CreateShapeRepresentation(exporterIFC, gridRepresentationData.m_Grids[0], catId,
contextOfItemsFootPrint, identifierOpt, representationTypeOpt, allCurves);
}
representations.Add(shapeRepresentation);
IFCAnyHandle productRep = IFCInstanceExporter.CreateProductDefinitionShape(ifcFile, null, null, representations);
// We will associate the grid with its level, unless there are no levels in the file, in which case we'll associate it with the building.
IFCLevelInfo levelInfo = ExporterCacheManager.LevelInfoCache.GetLevelInfo(exporterIFC, levelId);
bool useLevelInfo = (levelInfo != null);
string gridGUID = GUIDUtil.CreateGUID();
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
IFCAnyHandle gridLevelHandle = useLevelInfo ? levelInfo.GetBuildingStorey() : ExporterCacheManager.BuildingHandle;
IFCAnyHandle levelObjectPlacement = (gridLevelHandle != null) ? IFCAnyHandleUtil.GetObjectPlacement(gridLevelHandle) : null;
IFCAnyHandle copyLevelPlacement = (levelObjectPlacement != null) ? ExporterUtil.CopyLocalPlacement(ifcFile, levelObjectPlacement) : null;
IFCAnyHandle ifcGrid = IFCInstanceExporter.CreateGrid(exporterIFC, gridGUID, ownerHistory, gridName, copyLevelPlacement, productRep, axesU, axesV, axesW);
productWrapper.AddElement(null, ifcGrid, levelInfo, null, true, null);
transaction.Commit();
}
}
}
/// <summary>
/// Exports an element to IfcPile.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="ifcEnumType">The string value represents the IFC type.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportPile(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
string ifcEnumType, ProductWrapper productWrapper)
{
// export parts or not
bool exportParts = PartExporter.CanExportParts(element);
if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.LevelId, false))
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(setter.LocalPlacement);
IFCAnyHandle prodRep = null;
ElementId matId = ElementId.InvalidElementId;
if (!exportParts)
{
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
element, catId, geometryElement, bodyExporterOptions, null, ecData, true);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
{
ecData.ClearOpenings();
return;
}
}
string instanceGUID = GUIDUtil.CreateGUID(element);
string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
string pileType = IFCValidateEntry.GetValidIFCType(element, ifcEnumType);
IFCAnyHandle pile = IFCInstanceExporter.CreatePile(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(), prodRep, instanceTag, pileType, null);
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, element, pile, productWrapper, setter, setter.LocalPlacement, null);
}
else
{
if (matId != ElementId.InvalidElementId)
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, pile, matId);
}
}
productWrapper.AddElement(element, pile, setter, ecData, true);
OpeningUtil.CreateOpeningsIfNecessary(pile, element, ecData, null,
exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
}
}
tr.Commit();
}
}
/// <summary>
/// Get the handles of Grid Axes.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="sameDirectionAxes">The grid axes in the same direction of one level.</param>
/// <param name="representations">The representation of grid axis.</param>
/// <returns>The list of handles of grid axes.</returns>
private static List <IFCAnyHandle> CreateIFCGridAxisAndRepresentations(ExporterIFC exporterIFC, ProductWrapper productWrapper, IList <Grid> sameDirectionAxes,
IList <IFCAnyHandle> representations, GridRepresentationData gridRepresentationData)
{
if (sameDirectionAxes.Count == 0)
{
return(null);
}
IDictionary <ElementId, List <IFCAnyHandle> > gridAxisMap = new Dictionary <ElementId, List <IFCAnyHandle> >();
IDictionary <ElementId, List <IFCAnyHandle> > gridRepMap = new Dictionary <ElementId, List <IFCAnyHandle> >();
IFCFile ifcFile = exporterIFC.GetFile();
Grid baseGrid = sameDirectionAxes[0];
Transform lcs = Transform.Identity;
List <IFCAnyHandle> ifcGridAxes = new List <IFCAnyHandle>();
foreach (Grid grid in sameDirectionAxes)
{
// Because the IfcGrid is a collection of Revit Grids, any one of them can override the IFC CAD Layer.
// We will take the first name, and not do too much checking.
if (string.IsNullOrWhiteSpace(gridRepresentationData.m_IFCCADLayer))
{
gridRepresentationData.m_IFCCADLayer = RepresentationUtil.GetPresentationLayerOverride(grid);
}
// Get the handle of curve.
XYZ projectionDirection = lcs.BasisZ;
IFCAnyHandle axisCurve;
if (ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)
{
axisCurve = GeometryUtil.CreatePolyCurveFromCurve(exporterIFC, grid.Curve, lcs, projectionDirection);
}
else
{
IFCGeometryInfo info = IFCGeometryInfo.CreateCurveGeometryInfo(exporterIFC, lcs, projectionDirection, false);
ExporterIFCUtils.CollectGeometryInfo(exporterIFC, info, grid.Curve, XYZ.Zero, false);
IList <IFCAnyHandle> curves = info.GetCurves();
if (curves.Count != 1)
{
throw new Exception("IFC: expected 1 curve when export curve element.");
}
axisCurve = curves[0];
}
bool sameSense = true;
if (baseGrid.Curve is Line)
{
Line baseLine = baseGrid.Curve as Line;
Line axisLine = grid.Curve as Line;
sameSense = (axisLine.Direction.IsAlmostEqualTo(baseLine.Direction));
}
IFCAnyHandle ifcGridAxis = IFCInstanceExporter.CreateGridAxis(ifcFile, grid.Name, axisCurve, sameSense);
ifcGridAxes.Add(ifcGridAxis);
HashSet <IFCAnyHandle> AxisCurves = new HashSet <IFCAnyHandle>();
AxisCurves.Add(axisCurve);
IFCAnyHandle repItemHnd = IFCInstanceExporter.CreateGeometricCurveSet(ifcFile, AxisCurves);
// get the weight and color from the GridType to create the curve style.
GridType gridType = grid.Document.GetElement(grid.GetTypeId()) as GridType;
IFCData curveWidth = null;
if (ExporterCacheManager.ExportOptionsCache.ExportAnnotations)
{
int outWidth;
double width =
(ParameterUtil.GetIntValueFromElement(gridType, BuiltInParameter.GRID_END_SEGMENT_WEIGHT, out outWidth) != null) ? outWidth : 1;
curveWidth = IFCDataUtil.CreateAsPositiveLengthMeasure(width);
}
if (!ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)
{
int outColor;
int color =
(ParameterUtil.GetIntValueFromElement(gridType, BuiltInParameter.GRID_END_SEGMENT_COLOR, out outColor) != null) ? outColor : 0;
double blueVal = 0.0;
double greenVal = 0.0;
double redVal = 0.0;
GeometryUtil.GetRGBFromIntValue(color, out blueVal, out greenVal, out redVal);
IFCAnyHandle colorHnd = IFCInstanceExporter.CreateColourRgb(ifcFile, null, redVal, greenVal, blueVal);
BodyExporter.CreateCurveStyleForRepItem(exporterIFC, repItemHnd, curveWidth, colorHnd);
}
HashSet <IFCAnyHandle> curveSet = new HashSet <IFCAnyHandle>();
curveSet.Add(repItemHnd);
gridRepresentationData.m_Grids.Add(grid);
gridRepresentationData.m_curveSets.Add(curveSet);
}
return(ifcGridAxes);
}
/// <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 (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, ramp, null, null, ExporterUtil.GetBaseLevelIdForElement(ramp)))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(placementSetter.GetPlacement());
ecData.ReuseLocalPlacement = false;
GeometryElement rampGeom = GeometryUtil.GetOneLevelGeometryElement(geometryElement);
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));
IFCRampType 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.GetLevelInfo(), 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>
/// Base implementation to export IFC site object.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="document">The Revit document. It may be null if element isn't.</param>
/// <param name="element">The element. It may be null if document isn't.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
private static void ExportSiteBase(ExporterIFC exporterIFC, Document document, Element element, GeometryElement geometryElement, ProductWrapper productWrapper)
{
IFCAnyHandle siteHandle = ExporterCacheManager.SiteHandle;
int numSiteElements = (!IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle) ? 1 : 0);
if (element == null && (numSiteElements != 0))
{
return;
}
Document doc = document;
if (doc == null)
{
if (element != null)
{
doc = element.Document;
}
else
{
throw new ArgumentException("Both document and element are null.");
}
}
// 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>("IfcSite", out elementClassTypeEnum))
{
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
IFCAnyHandle siteRepresentation = null;
if (element != null)
{
// It would be possible that they actually represent several different sites with different buildings,
// but until we have a concept of a building in Revit, we have to assume 0-1 sites, 1 building.
bool appendedToSite = false;
bool exportAsFacetation = !ExporterCacheManager.ExportOptionsCache.ExportAsCoordinationView2;
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle))
{
IList <IFCAnyHandle> representations = IFCAnyHandleUtil.GetProductRepresentations(siteHandle);
if (representations.Count > 0)
{
IFCAnyHandle bodyRep = representations[0];
IFCAnyHandle boundaryRep = null;
if (representations.Count > 1)
{
boundaryRep = representations[1];
}
siteRepresentation = RepresentationUtil.CreateSurfaceProductDefinitionShape(exporterIFC, element, geometryElement, true, exportAsFacetation, ref bodyRep, ref boundaryRep);
if (representations.Count == 1 && !IFCAnyHandleUtil.IsNullOrHasNoValue(boundaryRep))
{
// If the first site has no boundaryRep,
// we will add the boundaryRep from second site to it.
representations.Clear();
representations.Add(boundaryRep);
IFCAnyHandleUtil.AddProductRepresentations(siteHandle, representations);
}
appendedToSite = true;
}
}
if (!appendedToSite)
{
siteRepresentation = RepresentationUtil.CreateSurfaceProductDefinitionShape(exporterIFC, element, geometryElement, true, exportAsFacetation);
}
}
List <int> latitude = new List <int>();
List <int> longitude = new List <int>();
ProjectLocation projLocation = doc.ActiveProjectLocation;
IFCAnyHandle relativePlacement = null;
double unscaledElevation = 0.0;
if (projLocation != null)
{
const double scaleToDegrees = 180 / Math.PI;
double latitudeInDeg = projLocation.GetSiteLocation().Latitude *scaleToDegrees;
double longitudeInDeg = projLocation.GetSiteLocation().Longitude *scaleToDegrees;
ExporterUtil.GetSafeProjectPositionElevation(doc, out unscaledElevation);
int latDeg = ((int)latitudeInDeg); latitudeInDeg -= latDeg; latitudeInDeg *= 60;
int latMin = ((int)latitudeInDeg); latitudeInDeg -= latMin; latitudeInDeg *= 60;
int latSec = ((int)latitudeInDeg); latitudeInDeg -= latSec; latitudeInDeg *= 1000000;
int latFracSec = ((int)latitudeInDeg);
latitude.Add(latDeg);
latitude.Add(latMin);
latitude.Add(latSec);
if (!ExporterCacheManager.ExportOptionsCache.ExportAs2x2)
{
latitude.Add(latFracSec);
}
int longDeg = ((int)longitudeInDeg); longitudeInDeg -= longDeg; longitudeInDeg *= 60;
int longMin = ((int)longitudeInDeg); longitudeInDeg -= longMin; longitudeInDeg *= 60;
int longSec = ((int)longitudeInDeg); longitudeInDeg -= longSec; longitudeInDeg *= 1000000;
int longFracSec = ((int)longitudeInDeg);
longitude.Add(longDeg);
longitude.Add(longMin);
longitude.Add(longSec);
if (!ExporterCacheManager.ExportOptionsCache.ExportAs2x2)
{
longitude.Add(longFracSec);
}
ExportOptionsCache.SiteTransformBasis transformBasis = ExporterCacheManager.ExportOptionsCache.SiteTransformation;
Transform siteSharedCoordinatesTrf = Transform.Identity;
if (transformBasis != ExportOptionsCache.SiteTransformBasis.Internal)
{
BasePoint basePoint = null;
if (transformBasis == ExportOptionsCache.SiteTransformBasis.Project)
{
basePoint = new FilteredElementCollector(doc).WherePasses(new ElementCategoryFilter(BuiltInCategory.OST_ProjectBasePoint)).First() as BasePoint;
}
else if (transformBasis == ExportOptionsCache.SiteTransformBasis.Site)
{
basePoint = new FilteredElementCollector(doc).WherePasses(new ElementCategoryFilter(BuiltInCategory.OST_SharedBasePoint)).First() as BasePoint;
}
if (basePoint != null)
{
BoundingBoxXYZ bbox = basePoint.get_BoundingBox(null);
XYZ xyz = bbox.Min;
siteSharedCoordinatesTrf = Transform.CreateTranslation(new XYZ(-xyz.X, -xyz.Y, unscaledElevation - xyz.Z));
}
else
{
siteSharedCoordinatesTrf = projLocation.GetTransform().Inverse;
}
}
if (!siteSharedCoordinatesTrf.IsIdentity)
{
double unscaledSiteElevation = ExporterCacheManager.ExportOptionsCache.IncludeSiteElevation ? 0.0 : unscaledElevation;
XYZ orig = UnitUtil.ScaleLength(siteSharedCoordinatesTrf.Origin - new XYZ(0, 0, unscaledSiteElevation));
relativePlacement = ExporterUtil.CreateAxis2Placement3D(file, orig, siteSharedCoordinatesTrf.BasisZ, siteSharedCoordinatesTrf.BasisX);
}
}
// Get elevation for site.
double elevation = UnitUtil.ScaleLength(unscaledElevation);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(relativePlacement))
{
relativePlacement = ExporterUtil.CreateAxis2Placement3D(file);
}
IFCAnyHandle localPlacement = IFCInstanceExporter.CreateLocalPlacement(file, null, relativePlacement);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
string siteObjectType = NamingUtil.CreateIFCObjectName(exporterIFC, element);
ProjectInfo projectInfo = doc.ProjectInformation;
Element mainSiteElement = (element != null) ? element : projectInfo;
bool exportSite = false;
string siteGUID = null;
string siteName = null;
string siteLongName = null;
string siteLandTitleNumber = null;
string siteDescription = null;
if (element != null)
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle))
{
exportSite = true;
// We will use the Project Information site name as the primary name, if it exists.
siteGUID = GUIDUtil.CreateSiteGUID(doc, element);
siteName = NamingUtil.GetOverrideStringValue(projectInfo, "SiteName", NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element)));
siteDescription = NamingUtil.GetDescriptionOverride(element, null);
// Look in site element for "IfcLongName" or project information for either "IfcLongName" or "SiteLongName".
siteLongName = NamingUtil.GetLongNameOverride(projectInfo, NamingUtil.GetLongNameOverride(element, null));
if (string.IsNullOrWhiteSpace(siteLongName))
{
siteLongName = NamingUtil.GetOverrideStringValue(projectInfo, "SiteLongName", null);
}
// Look in site element for "IfcLandTitleNumber" or project information for "SiteLandTitleNumber".
siteLandTitleNumber = NamingUtil.GetOverrideStringValue(element, "IfcLandTitleNumber", null);
if (string.IsNullOrWhiteSpace(siteLandTitleNumber))
{
siteLandTitleNumber = NamingUtil.GetOverrideStringValue(projectInfo, "SiteLandTitleNumber", null);
}
}
}
else
{
exportSite = true;
siteGUID = GUIDUtil.CreateProjectLevelGUID(doc, IFCProjectLevelGUIDType.Site);
siteName = NamingUtil.GetOverrideStringValue(projectInfo, "SiteName", "Default");
siteLongName = NamingUtil.GetLongNameOverride(projectInfo, NamingUtil.GetOverrideStringValue(projectInfo, "SiteLongName", null));
siteLandTitleNumber = NamingUtil.GetOverrideStringValue(projectInfo, "SiteLandTitleNumber", null);
// don't bother if we have nothing in the site whatsoever.
if ((latitude.Count == 0 || longitude.Count == 0) && IFCAnyHandleUtil.IsNullOrHasNoValue(relativePlacement) &&
string.IsNullOrWhiteSpace(siteLongName) && string.IsNullOrWhiteSpace(siteLandTitleNumber))
{
return;
}
}
COBieProjectInfo cobieProjectInfo = ExporterCacheManager.ExportOptionsCache.COBieProjectInfo;
// Override Site information when it is a special COBie export
if (ExporterCacheManager.ExportOptionsCache.ExportAs2x3COBIE24DesignDeliverable && cobieProjectInfo != null)
{
siteName = cobieProjectInfo.SiteLocation;
siteDescription = cobieProjectInfo.SiteDescription;
}
if (exportSite)
{
bool assignToBldg = false;
bool assignToSite = false;
IFCAnyHandle address = Exporter.CreateIFCAddress(file, doc, projectInfo, out assignToBldg, out assignToSite);
if (!assignToSite)
{
address = null;
}
siteHandle = IFCInstanceExporter.CreateSite(exporterIFC, element, siteGUID, ownerHistory, siteName, siteDescription, localPlacement,
siteRepresentation, siteLongName, IFCElementComposition.Element, latitude, longitude, elevation, siteLandTitleNumber, address);
productWrapper.AddSite(mainSiteElement, siteHandle);
ExporterCacheManager.SiteHandle = siteHandle;
}
tr.Commit();
}
}
/// <summary>
/// Exports an element as an IfcReinforcingMesh.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <returns>True if exported successfully, false otherwise.</returns>
public static bool ExportFabricSheet(ExporterIFC exporterIFC, FabricSheet sheet,
GeometryElement geometryElement, ProductWrapper productWrapper)
{
if (sheet == null || geometryElement == null)
{
return(false);
}
Document doc = sheet.Document;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, sheet))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(placementSetter.LocalPlacement);
ElementId categoryId = CategoryUtil.GetSafeCategoryId(sheet);
ElementId materialId = ElementId.InvalidElementId;
ParameterUtil.GetElementIdValueFromElementOrSymbol(sheet, BuiltInParameter.MATERIAL_ID_PARAM, out materialId);
string guid = GUIDUtil.CreateGUID(sheet);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
string revitObjectType = exporterIFC.GetFamilyName();
string name = NamingUtil.GetNameOverride(sheet, revitObjectType);
string description = NamingUtil.GetDescriptionOverride(sheet, null);
string objectType = NamingUtil.GetObjectTypeOverride(sheet, revitObjectType);
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
string elementTag = NamingUtil.CreateIFCElementId(sheet);
string steelGrade = NamingUtil.GetOverrideStringValue(sheet, "SteelGrade", null);
double?meshLength = sheet.CutOverallLength;
double?meshWidth = sheet.CutOverallWidth;
Element fabricSheetTypeElem = doc.GetElement(sheet.GetTypeId());
FabricSheetType fabricSheetType = (fabricSheetTypeElem == null) ? null : (fabricSheetTypeElem as FabricSheetType);
double longitudinalBarNominalDiameter = 0.0;
double transverseBarNominalDiameter = 0.0;
double longitudinalBarCrossSectionArea = 0.0;
double transverseBarCrossSectionArea = 0.0;
double longitudinalBarSpacing = 0.0;
double transverseBarSpacing = 0.0;
if (fabricSheetType != null)
{
Element majorFabricWireTypeElem = doc.GetElement(fabricSheetType.MajorDirectionWireType);
FabricWireType majorFabricWireType = (majorFabricWireTypeElem == null) ? null : (majorFabricWireTypeElem as FabricWireType);
if (majorFabricWireType != null)
{
longitudinalBarNominalDiameter = UnitUtil.ScaleLength(majorFabricWireType.WireDiameter);
double localRadius = longitudinalBarNominalDiameter / 2.0;
longitudinalBarCrossSectionArea = localRadius * localRadius * Math.PI;
}
Element minorFabricWireTypeElem = doc.GetElement(fabricSheetType.MinorDirectionWireType);
FabricWireType minorFabricWireType = (minorFabricWireTypeElem == null) ? null : (minorFabricWireTypeElem as FabricWireType);
if (minorFabricWireType != null)
{
transverseBarNominalDiameter = UnitUtil.ScaleLength(minorFabricWireType.WireDiameter);
double localRadius = transverseBarNominalDiameter / 2.0;
transverseBarCrossSectionArea = localRadius * localRadius * Math.PI;
}
longitudinalBarSpacing = UnitUtil.ScaleLength(fabricSheetType.MajorSpacing);
transverseBarSpacing = UnitUtil.ScaleLength(fabricSheetType.MinorSpacing);
}
ISet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>();
IList <Curve> wireCenterlines = sheet.GetWireCenterlines(WireDistributionDirection.Major);
foreach (Curve wireCenterline in wireCenterlines)
{
IFCAnyHandle bodyItem = GeometryUtil.CreateSweptDiskSolid(exporterIFC, file, wireCenterline, longitudinalBarNominalDiameter, null);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(bodyItem))
{
bodyItems.Add(bodyItem);
}
}
wireCenterlines = sheet.GetWireCenterlines(WireDistributionDirection.Minor);
foreach (Curve wireCenterline in wireCenterlines)
{
IFCAnyHandle bodyItem = GeometryUtil.CreateSweptDiskSolid(exporterIFC, file, wireCenterline, transverseBarNominalDiameter, null);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(bodyItem))
{
bodyItems.Add(bodyItem);
}
}
IFCAnyHandle shapeRep = (bodyItems.Count > 0) ?
RepresentationUtil.CreateAdvancedSweptSolidRep(exporterIFC, sheet, categoryId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null) :
null;
IList <IFCAnyHandle> shapeReps = null;
if (shapeRep != null)
{
shapeReps = new List <IFCAnyHandle>();
shapeReps.Add(shapeRep);
}
IFCAnyHandle prodRep = (shapeReps != null) ? IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps) : null;
IFCAnyHandle fabricSheet = IFCInstanceExporter.CreateReinforcingMesh(file, guid,
ownerHistory, name, description, objectType, localPlacement, prodRep, elementTag,
steelGrade, meshLength, meshWidth, longitudinalBarNominalDiameter, transverseBarNominalDiameter,
longitudinalBarCrossSectionArea, transverseBarCrossSectionArea,
longitudinalBarSpacing, transverseBarSpacing);
ElementId fabricAreaId = sheet.FabricAreaOwnerId;
if (fabricAreaId != ElementId.InvalidElementId)
{
HashSet <IFCAnyHandle> fabricSheets = null;
if (!ExporterCacheManager.FabricAreaHandleCache.TryGetValue(fabricAreaId, out fabricSheets))
{
fabricSheets = new HashSet <IFCAnyHandle>();
ExporterCacheManager.FabricAreaHandleCache[fabricAreaId] = fabricSheets;
}
fabricSheets.Add(fabricSheet);
}
productWrapper.AddElement(sheet, fabricSheet, placementSetter.LevelInfo, ecData, true);
CategoryUtil.CreateMaterialAssociation(exporterIFC, fabricSheet, materialId);
}
}
tr.Commit();
return(true);
}
}
/// <summary>
/// Exports an element as IFC covering.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element to be exported.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportCovering(ExporterIFC exporterIFC, Element element, GeometryElement geomElem, string ifcEnumType, ProductWrapper productWrapper)
{
bool exportParts = PartExporter.CanExportParts(element);
if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.LevelId, false))
{
return;
}
ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
IFCAnyHandle prodRep = null;
if (!exportParts)
{
ecData.SetLocalPlacement(setter.LocalPlacement);
ecData.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element,
categoryId, geomElem, bodyExporterOptions, null, ecData, true);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
{
ecData.ClearOpenings();
return;
}
}
// We will use the category of the element to set a default value for the covering.
string defaultCoveringEnumType = null;
if (categoryId == new ElementId(BuiltInCategory.OST_Ceilings))
{
defaultCoveringEnumType = "CEILING";
}
else if (categoryId == new ElementId(BuiltInCategory.OST_Floors))
{
defaultCoveringEnumType = "FLOORING";
}
else if (categoryId == new ElementId(BuiltInCategory.OST_Roofs))
{
defaultCoveringEnumType = "ROOFING";
}
string instanceGUID = GUIDUtil.CreateGUID(element);
string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
string coveringType = IFCValidateEntry.GetValidIFCType(element, ifcEnumType, defaultCoveringEnumType);
IFCAnyHandle covering = IFCInstanceExporter.CreateCovering(file, instanceGUID, ExporterCacheManager.OwnerHistoryHandle,
instanceName, instanceDescription, instanceObjectType, setter.LocalPlacement, prodRep, instanceTag, coveringType);
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, element, covering, productWrapper, setter, setter.LocalPlacement, null);
}
bool containInSpace = false;
IFCAnyHandle localPlacementToUse = setter.LocalPlacement;
// Ceiling containment in Space is generally required and not specific to any view
if (ExporterCacheManager.CeilingSpaceRelCache.ContainsKey(element.Id))
{
IList <ElementId> roomlist = ExporterCacheManager.CeilingSpaceRelCache[element.Id];
// Process Ceiling to be contained in a Space only when it is exactly bounding one Space
if (roomlist.Count == 1)
{
productWrapper.AddElement(element, covering, setter, null, false);
// Modify the Ceiling placement to be relative to the Space that it bounds
IFCAnyHandle roomPlacement = IFCAnyHandleUtil.GetObjectPlacement(ExporterCacheManager.SpaceInfoCache.FindSpaceHandle(roomlist[0]));
Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(roomPlacement, localPlacementToUse);
Transform inverseTrf = relTrf.Inverse;
IFCAnyHandle relLocalPlacement = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
IFCAnyHandleUtil.SetAttribute(localPlacementToUse, "PlacementRelTo", roomPlacement);
GeometryUtil.SetRelativePlacement(localPlacementToUse, relLocalPlacement);
ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomlist[0], covering);
containInSpace = true;
}
}
// if not contained in Space, assign it to default containment in Level
if (!containInSpace)
{
productWrapper.AddElement(element, covering, setter, null, true);
}
if (!exportParts)
{
Ceiling ceiling = element as Ceiling;
if (ceiling != null)
{
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, ceiling, covering,
geomElem, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, null);
}
else
{
ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geomElem, exporterIFC, element);
CategoryUtil.CreateMaterialAssociation(exporterIFC, covering, matId);
}
}
OpeningUtil.CreateOpeningsIfNecessary(covering, element, ecData, null,
exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
}
}
transaction.Commit();
}
}
/// <summary>
/// Exports curtain object as one Brep.
/// </summary>
/// <param name="allSubElements">
/// Collection of elements contained in the host curtain element.
/// </param>
/// <param name="wallElement">
/// The curtain wall element.
/// </param>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="setter">
/// The PlacementSetter object.
/// </param>
/// <param name="localPlacement">
/// The local placement handle.
/// </param>
/// <returns>
/// The handle.
/// </returns>
public static IFCAnyHandle ExportCurtainObjectCommonAsOneBRep(ICollection <ElementId> allSubElements, Element wallElement,
ExporterIFC exporterIFC)
{
IFCAnyHandle prodDefRep = null;
Document document = wallElement.Document;
double eps = UnitUtil.ScaleLength(document.Application.VertexTolerance);
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle contextOfItems = exporterIFC.Get3DContextHandle("Body");
IFCGeometryInfo info = IFCGeometryInfo.CreateFaceGeometryInfo(eps);
ISet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>();
// Want to make sure we don't accidentally add a mullion or curtain line more than once.
HashSet <ElementId> alreadyVisited = new HashSet <ElementId>();
bool useFallbackBREP = true;
Options geomOptions = GeometryUtil.GetIFCExportGeometryOptions();
foreach (ElementId subElemId in allSubElements)
{
Element subElem = wallElement.Document.GetElement(subElemId);
GeometryElement geomElem = subElem.get_Geometry(geomOptions);
if (geomElem == null)
{
continue;
}
if (alreadyVisited.Contains(subElem.Id))
{
continue;
}
alreadyVisited.Add(subElem.Id);
// Export tessellated geometry when IFC4 Reference View is selected
if (ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView || ExporterCacheManager.ExportOptionsCache.ExportAs4General)
{
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(false, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
IList <IFCAnyHandle> triFaceSet = BodyExporter.ExportBodyAsTessellatedFaceSet(exporterIFC, subElem, bodyExporterOptions, geomElem);
if (triFaceSet != null && triFaceSet.Count > 0)
{
foreach (IFCAnyHandle triFaceSetItem in triFaceSet)
{
bodyItems.Add(triFaceSetItem);
}
useFallbackBREP = false; // no need to do Brep since it is successful
}
}
// Export AdvancedFace before use fallback BREP
else if (ExporterCacheManager.ExportOptionsCache.ExportAs4DesignTransferView)
{
IFCAnyHandle advancedBRep = BodyExporter.ExportBodyAsAdvancedBrep(exporterIFC, subElem, geomElem);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(advancedBRep))
{
bodyItems.Add(advancedBRep);
useFallbackBREP = false; // no need to do Brep since it is successful
}
}
if (useFallbackBREP)
{
ExporterIFCUtils.CollectGeometryInfo(exporterIFC, info, geomElem, XYZ.Zero, false);
HashSet <IFCAnyHandle> faces = new HashSet <IFCAnyHandle>(info.GetSurfaces());
IFCAnyHandle outer = IFCInstanceExporter.CreateClosedShell(file, faces);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(outer))
{
bodyItems.Add(RepresentationUtil.CreateFacetedBRep(exporterIFC, document,
false, outer, ElementId.InvalidElementId));
}
}
}
if (bodyItems.Count == 0)
{
return(prodDefRep);
}
ElementId catId = CategoryUtil.GetSafeCategoryId(wallElement);
IFCAnyHandle shapeRep;
// Use tessellated geometry in Reference View
if ((ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView || ExporterCacheManager.ExportOptionsCache.ExportAs4General) && !useFallbackBREP)
{
shapeRep = RepresentationUtil.CreateTessellatedRep(exporterIFC, wallElement, catId, contextOfItems, bodyItems, null);
}
else if (ExporterCacheManager.ExportOptionsCache.ExportAs4DesignTransferView && !useFallbackBREP)
{
shapeRep = RepresentationUtil.CreateAdvancedBRepRep(exporterIFC, wallElement, catId, contextOfItems, bodyItems, null);
}
else
{
shapeRep = RepresentationUtil.CreateBRepRep(exporterIFC, wallElement, catId, contextOfItems, bodyItems);
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
{
return(prodDefRep);
}
IList <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>();
shapeReps.Add(shapeRep);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, wallElement.get_Geometry(geomOptions), Transform.Identity);
if (boundingBoxRep != null)
{
shapeReps.Add(boundingBoxRep);
}
prodDefRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
return(prodDefRep);
}
/// <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);
}
Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcRoof;
if (elementIsFloor)
{
elementClassTypeEnum = Common.Enums.IFCEntityType.IfcSlab;
}
IFCExportInfoPair roofExportType = new IFCExportInfoPair(elementClassTypeEnum, ifcEnumType);
// Check the intended IFC entity or type name is in the exclude list specified in the UI
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return(null);
}
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))
{
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);
}
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);
//string hostObjectType = IFCValidateEntry.GetValidIFCPredefinedType(element, ifcEnumType);
if (elementIsRoof)
{
hostObjectHandle = IFCInstanceExporter.CreateRoof(exporterIFC, element, elementGUID, ownerHistory,
localPlacement, prodRepHnd, ifcEnumType);
}
else
{
hostObjectHandle = IFCInstanceExporter.CreateSlab(exporterIFC, element, elementGUID, ownerHistory,
localPlacement, prodRepHnd, ifcEnumType);
}
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" : ifcEnumType;
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))
{
productWrapper.ClearInternalHandleWrapperData(element);
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(exporterIFC, element, slabGUID, ownerHistory,
slabPlacement, repHnd, 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)));
ExporterUtil.RelateObject(exporterIFC, hostObjectHandle, slabHnd);
IFCExportInfoPair slabRoofExportType = new IFCExportInfoPair(IFCEntityType.IfcSlab, slabRoofPredefinedType);
productWrapper.AddElement(null, slabHnd, setter, slabExtrusionCreationData, false, slabRoofExportType);
CategoryUtil.CreateMaterialAssociation(exporterIFC, slabHnd, matId);
// Create type
IFCAnyHandle slabRoofTypeHnd = ExporterUtil.CreateGenericTypeFromElement(element, slabRoofExportType, exporterIFC.GetFile(), ownerHistory, slabRoofPredefinedType, productWrapper);
ExporterCacheManager.TypeRelationsCache.Add(slabRoofTypeHnd, slabHnd);
elementHandles.Add(slabHnd);
slabHandles.Add(slabHnd);
hostObjectOpeningLoops.Add(slabCurveLoop);
maximumScaledDepth = Math.Max(maximumScaledDepth, scaledDepth);
loopNum++;
}
}
productWrapper.AddElement(element, hostObjectHandle, setter, extrusionCreationData, true, roofExportType);
ExporterUtil.RelateObjects(exporterIFC, null, hostObjectHandle, slabHandles);
OpeningUtil.AddOpeningsToElement(exporterIFC, elementHandles, hostObjectOpeningLoops, element, null, maximumScaledDepth,
null, setter, localPlacement, productWrapper);
transaction.Commit();
return(hostObjectHandle);
}
}
}
catch
{
// SOmething wrong with the above process, unable to create the extrusion data. Reset any internal handles that may have been partially created since they are not committed
productWrapper.ClearInternalHandleWrapperData(element);
return(null);
}
finally
{
exporterIFC.ClearFaceWithElementHandleMap();
}
}
}
}
/// <summary>
/// Exports an element to IFC footing.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="element">
/// The element.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="ifcEnumType">
/// The string value represents the IFC type.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void ExportFooting(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
string ifcEnumType, ProductWrapper productWrapper)
{
// export parts or not
bool exportParts = PartExporter.CanExportParts(element);
if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.LevelId, false))
{
return;
}
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum;
if (Enum.TryParse <Common.Enums.IFCEntityType>("IfcFooting", out elementClassTypeEnum))
{
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(setter.LocalPlacement);
IFCAnyHandle prodRep = null;
ElementId matId = ElementId.InvalidElementId;
if (!exportParts)
{
ElementId catId = CategoryUtil.GetSafeCategoryId(element);
matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
element, catId, geometryElement, bodyExporterOptions, null, ecData, true);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
{
ecData.ClearOpenings();
return;
}
}
string instanceGUID = GUIDUtil.CreateGUID(element);
string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
string footingType = GetIFCFootingType(ifcEnumType); // need to keep it for legacy support when original data follows slightly diff naming
footingType = IFCValidateEntry.GetValidIFCType(element, footingType);
IFCAnyHandle footing = IFCInstanceExporter.CreateFooting(file, instanceGUID, ExporterCacheManager.OwnerHistoryHandle,
instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(), prodRep, instanceTag, footingType);
if (exportParts)
{
PartExporter.ExportHostPart(exporterIFC, element, footing, productWrapper, setter, setter.LocalPlacement, null);
}
else
{
if (matId != ElementId.InvalidElementId)
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, footing, matId);
}
}
productWrapper.AddElement(element, footing, setter, ecData, true);
OpeningUtil.CreateOpeningsIfNecessary(footing, element, ecData, null,
exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);
}
}
tr.Commit();
}
}
/// <summary>
/// Exports a roof to IfcRoof.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="ifcEnumType">The roof type.</param>
/// <param name="roof">The roof element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportRoof(ExporterIFC exporterIFC, string ifcEnumType, Element roof, GeometryElement geometryElement,
ProductWrapper productWrapper)
{
if (roof == null || geometryElement == null)
{
return;
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
// Check for containment override
IFCAnyHandle overrideContainerHnd = null;
ElementId overrideContainerId = ParameterUtil.OverrideContainmentParameter(exporterIFC, roof, out overrideContainerHnd);
using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, roof, null, null, overrideContainerId, overrideContainerHnd))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
// If the roof is an in-place family, we will allow any arbitrary orientation. While this may result in some
// in-place "cubes" exporting with the wrong direction, it is unlikely that an in-place family would be
// used for this reason in the first place.
ecData.PossibleExtrusionAxes = (roof is FamilyInstance) ? IFCExtrusionAxes.TryXYZ : IFCExtrusionAxes.TryZ;
ecData.AreInnerRegionsOpenings = true;
ecData.SetLocalPlacement(placementSetter.LocalPlacement);
ElementId categoryId = CategoryUtil.GetSafeCategoryId(roof);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
BodyData bodyData;
IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, roof,
categoryId, geometryElement, bodyExporterOptions, null, ecData, out bodyData);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
{
ecData.ClearOpenings();
return;
}
bool exportSlab = ecData.ScaledLength > MathUtil.Eps();
string guid = GUIDUtil.CreateGUID(roof);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
//string predefinedType = GetIFCRoofType(ifcEnumType);
string predefinedType = IFCValidateEntry.GetValidIFCPredefinedTypeType(ifcEnumType, "NOTDEFINED", IFCEntityType.IfcRoofType.ToString());
IFCAnyHandle roofHnd = IFCInstanceExporter.CreateRoof(exporterIFC, roof, guid, ownerHistory,
localPlacement, exportSlab ? null : representation, predefinedType);
// Export IfcRoofType
IFCExportInfoPair exportInfo = new IFCExportInfoPair(IFCEntityType.IfcRoof, IFCEntityType.IfcRoofType, predefinedType);
if (exportInfo.ExportType != IFCEntityType.UnKnown)
{
string overridePDefType;
if (ParameterUtil.GetStringValueFromElementOrSymbol(roof, "IfcExportType", out overridePDefType) == null) // change IFCType to consistent parameter of IfcExportType
{
if (ParameterUtil.GetStringValueFromElementOrSymbol(roof, "IfcType", out overridePDefType) == null) // support IFCType for legacy support
{
if (string.IsNullOrEmpty(predefinedType))
{
predefinedType = "NOTDEFINED";
}
}
}
if (!string.IsNullOrEmpty(overridePDefType))
{
exportInfo.ValidatedPredefinedType = overridePDefType;
}
else
{
exportInfo.ValidatedPredefinedType = predefinedType;
}
IFCAnyHandle typeHnd = ExporterUtil.CreateGenericTypeFromElement(roof, exportInfo, file, ownerHistory, predefinedType, productWrapper);
ExporterCacheManager.TypeRelationsCache.Add(typeHnd, roofHnd);
}
productWrapper.AddElement(roof, roofHnd, placementSetter.LevelInfo, ecData, true, exportInfo);
// will export its host object materials later if it is a roof
if (!(roof is RoofBase))
{
CategoryUtil.CreateMaterialAssociation(exporterIFC, roofHnd, bodyData.MaterialIds);
}
if (exportSlab)
{
string slabGUID = GUIDUtil.CreateSubElementGUID(roof, (int)IFCRoofSubElements.RoofSlabStart);
string slabName = IFCAnyHandleUtil.GetStringAttribute(roofHnd, "Name") + ":1";
IFCAnyHandle slabLocalPlacementHnd = ExporterUtil.CopyLocalPlacement(file, localPlacement);
IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(exporterIFC, roof, slabGUID, ownerHistory,
slabLocalPlacementHnd, representation, slabRoofPredefinedType);
IFCAnyHandleUtil.OverrideNameAttribute(slabHnd, slabName);
Transform offsetTransform = (bodyData != null) ? bodyData.OffsetTransform : Transform.Identity;
OpeningUtil.CreateOpeningsIfNecessary(slabHnd, roof, ecData, offsetTransform,
exporterIFC, slabLocalPlacementHnd, placementSetter, productWrapper);
ExporterUtil.RelateObject(exporterIFC, roofHnd, slabHnd);
IFCExportInfoPair slabRoofExportType = new IFCExportInfoPair(IFCEntityType.IfcSlab, slabRoofPredefinedType);
productWrapper.AddElement(null, slabHnd, placementSetter.LevelInfo, ecData, false, slabRoofExportType);
CategoryUtil.CreateMaterialAssociation(exporterIFC, slabHnd, bodyData.MaterialIds);
// Create type
IFCAnyHandle slabRoofTypeHnd = ExporterUtil.CreateGenericTypeFromElement(roof, slabRoofExportType, exporterIFC.GetFile(), ownerHistory, slabRoofPredefinedType, productWrapper);
ExporterCacheManager.TypeRelationsCache.Add(slabRoofTypeHnd, slabHnd);
}
}
tr.Commit();
}
}
}
/// <summary>
/// Exports text note elements.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="textNote">
/// The text note element.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void Export(ExporterIFC exporterIFC, TextNote textNote, ProductWrapper productWrapper)
{
// Entity not allowed in IFC4RV
if (ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)
{
return;
}
// Check the intended IFC entity or type name is in the exclude list specified in the UI
Common.Enums.IFCEntityType elementClassTypeEnum;
if (Enum.TryParse <Common.Enums.IFCEntityType>("IfcAnnotation", out elementClassTypeEnum))
{
if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum))
{
return;
}
}
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
string textString = textNote.Text;
if (String.IsNullOrEmpty(textString))
{
throw new Exception("TextNote does not have test string.");
}
ElementId symId = textNote.GetTypeId();
if (symId == ElementId.InvalidElementId)
{
throw new Exception("TextNote does not have valid type id.");
}
PresentationStyleAssignmentCache cache = ExporterCacheManager.PresentationStyleAssignmentCache;
IFCAnyHandle presHnd = cache.Find(symId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(presHnd))
{
TextElementType textElemType = textNote.Symbol;
CreatePresentationStyleAssignmentForTextElementType(exporterIFC, textElemType, cache);
presHnd = cache.Find(symId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(presHnd))
{
throw new Exception("Failed to create presentation style assignment for TextElementType.");
}
}
HashSet <IFCAnyHandle> presHndSet = new HashSet <IFCAnyHandle>();
presHndSet.Add(presHnd);
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, textNote))
{
const double planScale = 100.0; // currently hardwired.
XYZ orig = UnitUtil.ScaleLength(textNote.Coord);
XYZ yDir = textNote.UpDirection;
XYZ xDir = textNote.BaseDirection;
XYZ zDir = xDir.CrossProduct(yDir);
double sizeX = UnitUtil.ScaleLength(textNote.Width * planScale);
double sizeY = UnitUtil.ScaleLength(textNote.Height * planScale);
// When we display text on screen, we "flip" it if the xDir is negative with relation to
// the X-axis. So if it is, we'll flip x and y.
bool flipOrig = false;
if (xDir.X < 0)
{
xDir = xDir.Multiply(-1.0);
yDir = yDir.Multiply(-1.0);
flipOrig = true;
}
// xFactor, yFactor only used if flipOrig.
double xFactor = 0.0, yFactor = 0.0;
string boxAlignment = ConvertTextNoteAlignToBoxAlign(textNote, out xFactor, out yFactor);
// modify the origin to match the alignment. In Revit, the origin is at the top-left (unless flipped,
// then bottom-right).
if (flipOrig)
{
orig = orig.Add(xDir.Multiply(sizeX * xFactor));
orig = orig.Add(yDir.Multiply(sizeY * yFactor));
}
IFCAnyHandle origin = ExporterUtil.CreateAxis(file, orig, zDir, xDir);
IFCAnyHandle extent = IFCInstanceExporter.CreatePlanarExtent(file, sizeX, sizeY);
IFCAnyHandle repItemHnd = IFCInstanceExporter.CreateTextLiteralWithExtent(file, textString, origin, Toolkit.IFCTextPath.Left, extent, boxAlignment);
IFCAnyHandle annoTextOccHnd = IFCInstanceExporter.CreateStyledItem(file, repItemHnd, presHndSet, null);
ElementId catId = textNote.Category != null ? textNote.Category.Id : ElementId.InvalidElementId;
HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>();
bodyItems.Add(repItemHnd);
IFCAnyHandle bodyRepHnd = RepresentationUtil.CreateAnnotationSetRep(exporterIFC, textNote, catId, exporterIFC.Get2DContextHandle(), bodyItems);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepHnd))
{
throw new Exception("Failed to create shape representation.");
}
IList <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>();
shapeReps.Add(bodyRepHnd);
IFCAnyHandle prodShapeHnd = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
IFCAnyHandle annoHnd = IFCInstanceExporter.CreateAnnotation(exporterIFC, textNote, GUIDUtil.CreateGUID(), ExporterCacheManager.OwnerHistoryHandle,
setter.LocalPlacement, prodShapeHnd);
productWrapper.AddAnnotation(annoHnd, setter.LevelInfo, true);
}
tr.Commit();
}
}
/// <summary>
/// Exports a Rebar to IFC ReinforcingBar.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element to be exported.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <returns>The list of IfcReinforcingBar handles created.</returns>
public static ISet <IFCAnyHandle> ExportRebar(ExporterIFC exporterIFC, Element element, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
HashSet <IFCAnyHandle> createdRebars = new HashSet <IFCAnyHandle>();
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
if (element is Rebar)
{
GeometryElement rebarGeometry = ExporterIFCUtils.GetRebarGeometry(element as Rebar, ExporterCacheManager.ExportOptionsCache.FilterViewForExport);
// only options are: Not Export, BuildingElementProxy, or ReinforcingBar/Mesh, depending on layout.
// Not Export is handled previously, and ReinforcingBar vs Mesh will be determined below.
string ifcEnumType;
IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType);
if (exportType == IFCExportType.IfcBuildingElementProxy ||
exportType == IFCExportType.IfcBuildingElementProxyType)
{
if (rebarGeometry != null)
{
ProxyElementExporter.ExportBuildingElementProxy(exporterIFC, element, rebarGeometry, productWrapper);
transaction.Commit();
}
return(null);
}
}
IFCAnyHandle prodRep = null;
double totalBarLengthUnscale = GetRebarTotalLength(element);
double volumeUnscale = GetRebarVolume(element);
double totalBarLength = UnitUtil.ScaleLength(totalBarLengthUnscale);
if (MathUtil.IsAlmostZero(totalBarLength))
{
return(null);
}
ElementId materialId = ElementId.InvalidElementId;
ParameterUtil.GetElementIdValueFromElementOrSymbol(element, BuiltInParameter.MATERIAL_ID_PARAM, out materialId);
Document doc = element.Document;
ElementId typeId = element.GetTypeId();
RebarBarType elementType = doc.GetElement(element.GetTypeId()) as RebarBarType;
double diameter = UnitUtil.ScaleLength(elementType == null ? 1.0 / 12.0 : elementType.BarDiameter);
double radius = diameter / 2.0;
double longitudinalBarNominalDiameter = diameter;
double longitudinalBarCrossSectionArea = UnitUtil.ScaleArea(volumeUnscale / totalBarLengthUnscale);
double barLength = totalBarLength / GetRebarQuantity(element);
IList <Curve> baseCurves = GetRebarCenterlineCurves(element, true, false, false);
int numberOfBarPositions = GetNumberOfBarPositions(element);
string steelGrade = NamingUtil.GetOverrideStringValue(element, "SteelGrade", null);
// Allow use of IFC2x3 or IFC4 naming.
string predefinedType = NamingUtil.GetOverrideStringValue(element, "BarRole", null);
if (string.IsNullOrWhiteSpace(predefinedType))
{
predefinedType = NamingUtil.GetOverrideStringValue(element, "PredefinedType", null);
}
IFCReinforcingBarRole role = GetReinforcingBarRole(predefinedType);
string origRebarName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string rebarDescription = NamingUtil.GetDescriptionOverride(element, null);
string rebarObjectType = NamingUtil.GetObjectTypeOverride(element, NamingUtil.CreateIFCObjectName(exporterIFC, element));
string rebarTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
const int maxBarGUIDS = IFCReinforcingBarSubElements.BarEnd - IFCReinforcingBarSubElements.BarStart + 1;
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
IFCAnyHandle originalPlacement = setter.LocalPlacement;
for (int i = 0; i < numberOfBarPositions; i++)
{
if (!DoesBarExistAtPosition(element, i))
{
continue;
}
string rebarName = NamingUtil.GetNameOverride(element, origRebarName + ": " + i);
Transform barTrf = GetBarPositionTransform(element, i);
IList <Curve> curves = new List <Curve>();
double endParam = 0.0;
foreach (Curve baseCurve in baseCurves)
{
if (baseCurve is Arc || baseCurve is Ellipse)
{
if (baseCurve.IsBound)
{
endParam += UnitUtil.ScaleAngle(baseCurve.GetEndParameter(1) - baseCurve.GetEndParameter(0));
}
else
{
endParam += UnitUtil.ScaleAngle(2 * Math.PI);
}
}
else
{
endParam += 1.0;
}
curves.Add(baseCurve.CreateTransformed(barTrf));
}
IFCAnyHandle compositeCurve = GeometryUtil.CreateCompositeCurve(exporterIFC, curves);
IFCAnyHandle sweptDiskSolid = IFCInstanceExporter.CreateSweptDiskSolid(file, compositeCurve, radius, null, 0, endParam);
HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>();
bodyItems.Add(sweptDiskSolid);
IFCAnyHandle shapeRep = RepresentationUtil.CreateAdvancedSweptSolidRep(exporterIFC, element, categoryId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null);
IList <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>();
shapeReps.Add(shapeRep);
prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
IFCAnyHandle copyLevelPlacement = (i == 0) ? originalPlacement : ExporterUtil.CopyLocalPlacement(file, originalPlacement);
string rebarGUID = (i < maxBarGUIDS) ?
GUIDUtil.CreateSubElementGUID(element, i + (int)IFCReinforcingBarSubElements.BarStart) :
GUIDUtil.CreateGUID();
IFCAnyHandle elemHnd = IFCInstanceExporter.CreateReinforcingBar(file, rebarGUID, exporterIFC.GetOwnerHistoryHandle(),
rebarName, rebarDescription, rebarObjectType, copyLevelPlacement,
prodRep, rebarTag, steelGrade, longitudinalBarNominalDiameter, longitudinalBarCrossSectionArea,
barLength, role, null);
createdRebars.Add(elemHnd);
productWrapper.AddElement(element, elemHnd, setter.LevelInfo, null, true);
ExporterCacheManager.HandleToElementCache.Register(elemHnd, element.Id);
CategoryUtil.CreateMaterialAssociation(exporterIFC, elemHnd, materialId);
}
}
transaction.Commit();
}
return(createdRebars);
}
