/// <summary>
/// Exports a FabricArea as an IfcGroup. There is no geometry to export.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <returns>True if exported successfully, false otherwise.</returns>
public static bool ExportFabricArea(ExporterIFC exporterIFC, Element element, ProductWrapper productWrapper)
{
if (element == null)
return false;
HashSet<IFCAnyHandle> fabricSheetHandles = null;
if (!ExporterCacheManager.FabricAreaHandleCache.TryGetValue(element.Id, out fabricSheetHandles))
return false;
if (fabricSheetHandles == null || fabricSheetHandles.Count == 0)
return false;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
string guid = GUIDUtil.CreateGUID(element);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string revitObjectType = exporterIFC.GetFamilyName();
string name = NamingUtil.GetNameOverride(element, revitObjectType);
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, revitObjectType);
IFCAnyHandle fabricArea = IFCInstanceExporter.CreateGroup(file, guid,
ownerHistory, name, description, objectType);
productWrapper.AddElement(element, fabricArea);
IFCInstanceExporter.CreateRelAssignsToGroup(file, GUIDUtil.CreateGUID(), ownerHistory,
null, null, fabricSheetHandles, null, fabricArea);
tr.Commit();
return true;
}
}
/// <summary>
/// Exports a ceiling to IFC covering.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="ceiling">
/// The ceiling element to be exported.
/// </param>
/// <param name="geomElement">
/// The geometry element.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void ExportCeilingElement(ExporterIFC exporterIFC, Ceiling ceiling, GeometryElement geomElement, ProductWrapper productWrapper)
{
string ifcEnumType = ExporterUtil.GetIFCTypeFromExportTable(exporterIFC, ceiling);
if (String.IsNullOrEmpty(ifcEnumType))
ifcEnumType = "CEILING";
ExportCovering(exporterIFC, ceiling, geomElement, ifcEnumType, productWrapper);
}
/// <summary>
/// Exports a hosted weep.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="hostedSweep">The hosted sweep element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void Export(ExporterIFC exporterIFC, HostedSweep hostedSweep, GeometryElement geometryElement, ProductWrapper productWrapper)
{
ElementId catId = CategoryUtil.GetSafeCategoryId(hostedSweep);
if (catId == new ElementId(BuiltInCategory.OST_Gutter))
ExportGutter(exporterIFC, hostedSweep, geometryElement, productWrapper);
else
ProxyElementExporter.Export(exporterIFC, hostedSweep, geometryElement, productWrapper);
}
/// <summary>
/// Creates openings if there is necessary.
/// </summary>
/// <param name="elementHandle">The element handle to create openings.</param>
/// <param name="element">The element to create openings.</param>
/// <param name="info">The extrusion data.</param>
/// <param name="extraParams">The extrusion creation data.</param>
/// <param name="offsetTransform">The offset transform from ExportBody, or the identity transform.</param>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="originalPlacement">The original placement handle.</param>
/// <param name="setter">The PlacementSetter.</param>
/// <param name="wrapper">The ProductWrapper.</param>
private static void CreateOpeningsIfNecessaryBase(IFCAnyHandle elementHandle, Element element, IList<IFCExtrusionData> info,
IFCExtrusionCreationData extraParams, Transform offsetTransform, ExporterIFC exporterIFC,
IFCAnyHandle originalPlacement, PlacementSetter setter, ProductWrapper wrapper)
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(elementHandle))
return;
int sz = info.Count;
if (sz == 0)
return;
using (TransformSetter transformSetter = TransformSetter.Create())
{
if (offsetTransform != null)
transformSetter.Initialize(exporterIFC, offsetTransform.Inverse);
IFCFile file = exporterIFC.GetFile();
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
Document document = element.Document;
string openingObjectType = "Opening";
int openingNumber = 1;
for (int curr = info.Count - 1; curr >= 0; curr--)
{
IFCAnyHandle extrusionHandle = ExtrusionExporter.CreateExtrudedSolidFromExtrusionData(exporterIFC, element, info[curr]);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(extrusionHandle))
continue;
IFCAnyHandle styledItemHnd = BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, document,
extrusionHandle, ElementId.InvalidElementId);
HashSet<IFCAnyHandle> bodyItems = new HashSet<IFCAnyHandle>();
bodyItems.Add(extrusionHandle);
IFCAnyHandle contextOfItems = exporterIFC.Get3DContextHandle("Body");
IFCAnyHandle bodyRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, element, categoryId, contextOfItems, bodyItems, null);
IList<IFCAnyHandle> representations = new List<IFCAnyHandle>();
representations.Add(bodyRep);
IFCAnyHandle openingRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, originalPlacement);
string guid = GUIDUtil.CreateGUID();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string openingName = NamingUtil.GetIFCNamePlusIndex(element, openingNumber++);
string elementId = NamingUtil.CreateIFCElementId(element);
IFCAnyHandle openingElement = IFCInstanceExporter.CreateOpeningElement(file, guid, ownerHistory,
openingName, null, openingObjectType, openingPlacement, openingRep, elementId);
wrapper.AddElement(null, openingElement, setter, extraParams, true);
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities && (extraParams != null))
PropertyUtil.CreateOpeningQuantities(exporterIFC, openingElement, extraParams);
string voidGuid = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null, elementHandle, openingElement);
}
}
}
/// <summary>
/// Exports a Rebar, AreaReinforcement or PathReinforcement to IFC ReinforcingBar.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="element">The element.</param>
/// <param name="productWrapper">The product wrapper.</param>
public static void Export(ExporterIFC exporterIFC, Element element, ProductWrapper productWrapper)
{
ISet<IFCAnyHandle> createdRebars = null;
if (element is Rebar)
{
ExportRebar(exporterIFC, element, productWrapper);
}
else if (element is AreaReinforcement)
{
AreaReinforcement areaReinforcement = element as AreaReinforcement;
IList<ElementId> rebarIds = areaReinforcement.GetRebarInSystemIds();
Document doc = areaReinforcement.Document;
foreach (ElementId id in rebarIds)
{
Element rebarInSystem = doc.GetElement(id);
createdRebars = ExportRebar(exporterIFC, rebarInSystem, productWrapper);
}
}
else if (element is PathReinforcement)
{
PathReinforcement pathReinforcement = element as PathReinforcement;
IList<ElementId> rebarIds = pathReinforcement.GetRebarInSystemIds();
Document doc = pathReinforcement.Document;
foreach (ElementId id in rebarIds)
{
Element rebarInSystem = doc.GetElement(id);
createdRebars = ExportRebar(exporterIFC, rebarInSystem, productWrapper);
}
}
if (createdRebars != null && createdRebars.Count > 1)
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
string guid = GUIDUtil.CreateGUID(element);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string revitObjectType = exporterIFC.GetFamilyName();
string name = NamingUtil.GetNameOverride(element, revitObjectType);
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, revitObjectType);
IFCAnyHandle rebarGroup = IFCInstanceExporter.CreateGroup(file, guid,
ownerHistory, name, description, objectType);
productWrapper.AddElement(element, rebarGroup);
IFCInstanceExporter.CreateRelAssignsToGroup(file, GUIDUtil.CreateGUID(), ownerHistory,
null, null, createdRebars, null, rebarGroup);
tr.Commit();
}
}
}
/// <summary>
/// Exports an element as a covering of type insulation.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <returns>True if exported successfully, false otherwise.</returns>
public static bool ExportDuctLining(ExporterIFC exporterIFC, Element element,
GeometryElement geometryElement, ProductWrapper productWrapper)
{
if (element == null || geometryElement == null)
return false;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(placementSetter.LocalPlacement);
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element,
categoryId, geometryElement, bodyExporterOptions, null, ecData, true);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
{
ecData.ClearOpenings();
return false;
}
string guid = GUIDUtil.CreateGUID(element);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string revitObjectType = exporterIFC.GetFamilyName();
string name = NamingUtil.GetNameOverride(element, revitObjectType);
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, revitObjectType);
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
string elementTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
IFCAnyHandle ductLining = IFCInstanceExporter.CreateCovering(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag, "Wrapping");
ExporterCacheManager.ElementToHandleCache.Register(element.Id, ductLining);
productWrapper.AddElement(element, ductLining, placementSetter.LevelInfo, ecData, true);
ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, element);
CategoryUtil.CreateMaterialAssociation(exporterIFC, ductLining, matId);
}
}
tr.Commit();
return true;
}
}
/// <summary>
/// Exports a wall swepp.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="wallSweep">The WallSweep.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void Export(ExporterIFC exporterIFC, WallSweep wallSweep, GeometryElement geometryElement, ProductWrapper productWrapper)
{
WallSweepInfo wallSweepInfo = wallSweep.GetWallSweepInfo();
//Reveals are exported as openings with wall exporter.
if (wallSweepInfo.WallSweepType == WallSweepType.Reveal)
return;
if (!ProxyElementExporter.Export(exporterIFC, wallSweep, geometryElement, productWrapper))
return;
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, wallSweep, productWrapper.GetAnElement(),
geometryElement, productWrapper,
ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis2, null);
}
/// <summary>
/// Exports an element as building element proxy.
/// </summary>
/// <remarks>
/// This function is called from the Export function, but can also be called directly if you do not
/// want CreateInternalPropertySets to be called.
/// </remarks>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <returns>The handle if created, null otherwise.</returns>
public static IFCAnyHandle ExportBuildingElementProxy(ExporterIFC exporterIFC, Element element,
GeometryElement geometryElement, ProductWrapper productWrapper)
{
if (element == null || geometryElement == null)
return null;
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle buildingElementProxy = null;
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(placementSetter.LocalPlacement);
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element,
categoryId, geometryElement, bodyExporterOptions, null, ecData, true);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation))
{
ecData.ClearOpenings();
return null;
}
string guid = GUIDUtil.CreateGUID(element);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
string revitObjectType = exporterIFC.GetFamilyName();
string name = NamingUtil.GetNameOverride(element, revitObjectType);
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, revitObjectType);
IFCAnyHandle localPlacement = ecData.GetLocalPlacement();
string elementTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
buildingElementProxy = IFCInstanceExporter.CreateBuildingElementProxy(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag, null);
productWrapper.AddElement(element, buildingElementProxy, placementSetter.LevelInfo, ecData, true);
}
tr.Commit();
}
}
return buildingElementProxy;
}
/// <summary>
/// Export all the parts of the host element.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="hostElement">The host element having parts to export.</param>
/// <param name="hostHandle">The host element handle.</param>
/// <param name="originalWrapper">The ProductWrapper object.</param>
public static void ExportHostPart(ExporterIFC exporterIFC, Element hostElement, IFCAnyHandle hostHandle,
ProductWrapper originalWrapper, PlacementSetter placementSetter, IFCAnyHandle originalPlacement, ElementId overrideLevelId)
{
using (ProductWrapper subWrapper = ProductWrapper.Create(exporterIFC, true))
{
List<ElementId> associatedPartsList = PartUtils.GetAssociatedParts(hostElement.Document, hostElement.Id, false, true).ToList();
if (associatedPartsList.Count == 0)
return;
bool isWallOrColumn = IsHostWallOrColumn(exporterIFC, hostElement);
bool hasOverrideLevel = overrideLevelId != null && overrideLevelId != ElementId.InvalidElementId;
IFCExtrusionAxes ifcExtrusionAxes = GetDefaultExtrusionAxesForHost(exporterIFC, hostElement);
// Split parts if wall or column is split by level, and then export; otherwise, export parts normally.
if (isWallOrColumn && hasOverrideLevel && ExporterCacheManager.ExportOptionsCache.WallAndColumnSplitting)
{
if (!ExporterCacheManager.HostPartsCache.HasRegistered(hostElement.Id))
SplitParts(exporterIFC, hostElement, associatedPartsList); // Split parts and associate them with host.
// Find and export the parts that are split by specific level.
List<KeyValuePair<Part, IFCRange>> splitPartRangeList = new List<KeyValuePair<Part, IFCRange>>();
splitPartRangeList = ExporterCacheManager.HostPartsCache.Find(hostElement.Id, overrideLevelId);
foreach (KeyValuePair<Part, IFCRange> partRange in splitPartRangeList)
{
PartExporter.ExportPart(exporterIFC, partRange.Key, subWrapper, placementSetter, originalPlacement, partRange.Value, ifcExtrusionAxes, hostElement, overrideLevelId, false);
}
}
else
{
foreach (ElementId partId in associatedPartsList)
{
Part part = hostElement.Document.GetElement(partId) as Part;
PartExporter.ExportPart(exporterIFC, part, subWrapper, placementSetter, originalPlacement, null, ifcExtrusionAxes, hostElement, overrideLevelId, false);
}
}
// Create the relationship of Host and Parts.
ICollection<IFCAnyHandle> relatedElementIds = subWrapper.GetAllObjects();
if (relatedElementIds.Count > 0)
{
string guid = GUIDUtil.CreateGUID();
HashSet<IFCAnyHandle> relatedElementIdSet = new HashSet<IFCAnyHandle>(relatedElementIds);
IFCInstanceExporter.CreateRelAggregates(exporterIFC.GetFile(), guid, exporterIFC.GetOwnerHistoryHandle(), null, null, hostHandle, relatedElementIdSet);
}
}
}
/// <summary>
/// Exports an element as a zone.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportZone(ExporterIFC exporterIFC, Zone element,
ProductWrapper productWrapper)
{
if (element == null)
return;
HashSet<IFCAnyHandle> spaceHnds = new HashSet<IFCAnyHandle>();
SpaceSet spaces = element.Spaces;
foreach (Space space in spaces)
{
if (space == null)
continue;
IFCAnyHandle spaceHnd = ExporterCacheManager.SpaceInfoCache.FindSpaceHandle(space.Id);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(spaceHnd))
spaceHnds.Add(spaceHnd);
}
if (spaceHnds.Count == 0)
return;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
string guid = GUIDUtil.CreateGUID(element);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string name = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
IFCAnyHandle zoneHnd = IFCInstanceExporter.CreateZone(file, guid, ownerHistory, name, description, objectType);
productWrapper.AddElement(element, zoneHnd);
string relAssignsGuid = GUIDUtil.CreateSubElementGUID(element, (int) IFCZoneSubElements.RelAssignsToGroup);
IFCInstanceExporter.CreateRelAssignsToGroup(file, relAssignsGuid, ownerHistory, null, null, spaceHnds, null, zoneHnd);
tr.Commit();
return;
}
}
/// <summary>
/// Exports an element as a group.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportAreaScheme(ExporterIFC exporterIFC, AreaScheme element,
ProductWrapper productWrapper)
{
if (element == null)
return;
HashSet<IFCAnyHandle> areaHandles = null;
if (!ExporterCacheManager.AreaSchemeCache.TryGetValue(element.Id, out areaHandles))
return;
if (areaHandles == null || areaHandles.Count == 0)
return;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
string guid = GUIDUtil.CreateGUID(element);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
string name = NamingUtil.GetNameOverride(element, element.Name);
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string elementTag = NamingUtil.CreateIFCElementId(element);
IFCAnyHandle areaScheme = IFCInstanceExporter.CreateGroup(file, guid,
ownerHistory, name, description, objectType);
productWrapper.AddElement(element, areaScheme);
IFCInstanceExporter.CreateRelAssignsToGroup(file, GUIDUtil.CreateGUID(), ownerHistory,
null, null, areaHandles, null, areaScheme);
tr.Commit();
return;
}
}
/// <summary>
/// Exports a Group as an IfcGroup.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <returns>True if exported successfully, false otherwise.</returns>
public static bool ExportGroupElement(ExporterIFC exporterIFC, Group element,
ProductWrapper productWrapper)
{
if (element == null)
return false;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
IFCAnyHandle groupHnd = null;
string guid = GUIDUtil.CreateGUID(element);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string name = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
string ifcEnumType;
IFCExportType exportAs = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType);
if (exportAs == IFCExportType.IfcGroup)
{
groupHnd = IFCInstanceExporter.CreateGroup(file, guid, ownerHistory, name, description, objectType);
}
if (groupHnd == null)
return false;
productWrapper.AddElement(element, groupHnd);
ExporterCacheManager.GroupCache.RegisterGroup(element.Id, groupHnd);
tr.Commit();
return true;
}
}
/// <summary>
/// Adds openings to an element.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="elementHandle">The parent handle.</param>
/// <param name="element">The element.</param>
/// <param name="plane">The plane.</param>
/// <param name="scaledWidth">The width.</param>
/// <param name="range">The range.</param>
/// <param name="setter">The placement setter.</param>
/// <param name="localPlacement">The local placement.</param>
/// <param name="localWrapper">The wrapper.</param>
public static void AddOpeningsToElement(ExporterIFC exporterIFC, IFCAnyHandle elementHandle, Element element, Plane plane, double scaledWidth,
IFCRange range, PlacementSetter setter, IFCAnyHandle localPlacement, ProductWrapper localWrapper)
{
IList <IFCAnyHandle> elementHandles = new List <IFCAnyHandle>();
elementHandles.Add(elementHandle);
AddOpeningsToElement(exporterIFC, elementHandles, null, element, plane, scaledWidth, range, setter, localPlacement, localWrapper);
}
/// <summary>
/// Creates openings if there is necessary.
/// </summary>
/// <param name="elementHandle">The element handle to create openings.</param>
/// <param name="element">The element to create openings.</param>
/// <param name="info">The extrusion data.</param>
/// <param name="extraParams">The extrusion creation data.</param>
/// <param name="offsetTransform">The offset transform from ExportBody, or the identity transform.</param>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="originalPlacement">The original placement handle.</param>
/// <param name="setter">The PlacementSetter.</param>
/// <param name="wrapper">The ProductWrapper.</param>
private static void CreateOpeningsIfNecessaryBase(IFCAnyHandle elementHandle, Element element, IList <IFCExtrusionData> info,
IFCExtrusionCreationData extraParams, Transform offsetTransform, ExporterIFC exporterIFC,
IFCAnyHandle originalPlacement, PlacementSetter setter, ProductWrapper wrapper)
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(elementHandle))
{
return;
}
int sz = info.Count;
if (sz == 0)
{
return;
}
using (TransformSetter transformSetter = TransformSetter.Create())
{
if (offsetTransform != null)
{
transformSetter.Initialize(exporterIFC, offsetTransform.Inverse);
}
IFCFile file = exporterIFC.GetFile();
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
string openingObjectType = "Opening";
int openingNumber = 1;
for (int curr = info.Count - 1; curr >= 0; curr--)
{
IFCAnyHandle extrusionHandle =
ExtrusionExporter.CreateExtrudedSolidFromExtrusionData(exporterIFC, element,
info[curr], out _);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(extrusionHandle))
{
continue;
}
// Openings shouldn't have surface styles for their geometry.
HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>()
{
extrusionHandle
};
IFCAnyHandle representationHnd = RepresentationUtil.CreateSweptSolidRep(exporterIFC,
element, categoryId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null);
IList <IFCAnyHandle> representations = IFCAnyHandleUtil.IsNullOrHasNoValue(representationHnd) ?
null : new List <IFCAnyHandle>()
{
representationHnd
};
IFCAnyHandle openingRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null,
null, representations);
IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, originalPlacement);
string guid = GUIDUtil.GenerateIFCGuidFrom(IFCEntityType.IfcOpeningElement,
openingNumber.ToString(), elementHandle);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
string openingName = NamingUtil.GetIFCNamePlusIndex(element, openingNumber++);
string openingDescription = NamingUtil.GetDescriptionOverride(element, null);
string openingTag = NamingUtil.GetTagOverride(element);
IFCAnyHandle openingElement = IFCInstanceExporter.CreateOpeningElement(exporterIFC,
guid, ownerHistory, openingName, openingDescription, openingObjectType,
openingPlacement, openingRep, openingTag);
IFCExportInfoPair exportInfo = new IFCExportInfoPair(IFCEntityType.IfcOpeningElement);
wrapper.AddElement(null, openingElement, setter, extraParams, true, exportInfo);
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities && (extraParams != null))
{
PropertyUtil.CreateOpeningQuantities(exporterIFC, openingElement, extraParams);
}
string voidGuid = GUIDUtil.GenerateIFCGuidFrom(IFCEntityType.IfcRelVoidsElement,
elementHandle, openingElement);
IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null,
elementHandle, openingElement);
}
}
}
/// <summary>
/// Export IFC common property set, Quantity (if set) and Classification (or Uniformat for COBIE) information for an element.
/// </summary>
/// <param name="exporterIFC">The exporterIFC class.</param>
/// <param name="element">The element.</param>
/// <param name="productWrapper">The ProductWrapper class that contains the associated IFC handles.</param>
public static void ExportRelatedProperties(ExporterIFC exporterIFC, Element element, ProductWrapper productWrapper)
{
ExportElementProperties(exporterIFC, element, productWrapper);
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities && !(ExporterCacheManager.ExportOptionsCache.FileVersion == IFCVersion.IFCCOBIE))
ExportElementQuantities(exporterIFC, element, productWrapper);
ExportElementClassifications(exporterIFC, element, productWrapper); // Exporting ClassificationCode from IFC parameter
ExportElementUniformatClassifications(exporterIFC, element, productWrapper); // Default classification, if filled out.
}
/// <summary>
/// Exports the IFC element quantities.
/// </summary>
/// <param name="exporterIFC">The IFC exporter object.</param>
/// <param name="element ">The element whose quantities are exported.</param>
/// <param name="productWrapper">The ProductWrapper object.</param>
private static void ExportElementQuantities(ExporterIFC exporterIFC, Element element, ProductWrapper productWrapper)
{
if (productWrapper.IsEmpty())
return;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
Document doc = element.Document;
ElementType elemType = doc.GetElement(element.GetTypeId()) as ElementType;
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
ICollection<IFCAnyHandle> productSet = productWrapper.GetAllObjects();
IList<IList<QuantityDescription>> quantitiesToCreate = ExporterCacheManager.ParameterCache.Quantities;
foreach (IList<QuantityDescription> currStandard in quantitiesToCreate)
{
foreach (QuantityDescription currDesc in currStandard)
{
foreach (IFCAnyHandle prodHnd in productSet)
{
if (currDesc.IsAppropriateType(prodHnd))
{
IFCExtrusionCreationData ifcParams = productWrapper.FindExtrusionCreationParameters(prodHnd);
HashSet<IFCAnyHandle> quantities = currDesc.ProcessEntries(file, exporterIFC, ifcParams, element, elemType);
if (quantities.Count > 0)
{
string paramSetName = currDesc.Name;
string methodName = currDesc.MethodOfMeasurement;
IFCAnyHandle propertySet = IFCInstanceExporter.CreateElementQuantity(file, GUIDUtil.CreateGUID(), ownerHistory, paramSetName, methodName, null, quantities);
IFCAnyHandle prodHndToUse = prodHnd;
DescriptionCalculator ifcRDC = currDesc.DescriptionCalculator;
if (ifcRDC != null)
{
IFCAnyHandle overrideHnd = ifcRDC.RedirectDescription(exporterIFC, element);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(overrideHnd))
prodHndToUse = overrideHnd;
}
HashSet<IFCAnyHandle> relatedObjects = new HashSet<IFCAnyHandle>();
relatedObjects.Add(prodHndToUse);
IFCInstanceExporter.CreateRelDefinesByProperties(file, GUIDUtil.CreateGUID(), ownerHistory, null, null, relatedObjects, propertySet);
}
}
}
}
}
transaction.Commit();
}
}
/// <summary>
/// Exports Pset_Draughting for IFC 2x2 standard.
/// </summary>
/// <param name="exporterIFC">The IFC exporter object.</param>
/// <param name="element ">The element whose properties are exported.</param>
/// <param name="productWrapper">The ProductWrapper object.</param>
private static void ExportPsetDraughtingFor2x2(ExporterIFC exporterIFC, Element element, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string catName = CategoryUtil.GetCategoryName(element);
Color color = CategoryUtil.GetElementColor(element);
HashSet<IFCAnyHandle> nameAndColorProps = new HashSet<IFCAnyHandle>();
nameAndColorProps.Add(PropertyUtil.CreateLabelPropertyFromCache(file, null, "Layername", catName, PropertyValueType.SingleValue, true, null));
//color
{
HashSet<IFCAnyHandle> colorProps = new HashSet<IFCAnyHandle>();
colorProps.Add(PropertyUtil.CreateIntegerPropertyFromCache(file, "Red", color.Red, PropertyValueType.SingleValue));
colorProps.Add(PropertyUtil.CreateIntegerPropertyFromCache(file, "Green", color.Green, PropertyValueType.SingleValue));
colorProps.Add(PropertyUtil.CreateIntegerPropertyFromCache(file, "Blue", color.Blue, PropertyValueType.SingleValue));
string propertyName = "Color";
nameAndColorProps.Add(IFCInstanceExporter.CreateComplexProperty(file, propertyName, null, propertyName, colorProps));
}
string name = "Pset_Draughting"; // IFC 2x2 standard
IFCAnyHandle propertySet2 = IFCInstanceExporter.CreatePropertySet(file, GUIDUtil.CreateGUID(), ownerHistory, name, null, nameAndColorProps);
HashSet<IFCAnyHandle> relatedObjects = new HashSet<IFCAnyHandle>(productWrapper.GetAllObjects());
IFCInstanceExporter.CreateRelDefinesByProperties(file, GUIDUtil.CreateGUID(), ownerHistory, null, null, relatedObjects, propertySet2);
transaction.Commit();
}
}
/// <summary>
/// Exports an element as building element proxy.
/// </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 Export(ExporterIFC exporterIFC, Element element,
GeometryElement geometryElement, ProductWrapper productWrapper)
{
bool exported = false;
if (element == null || geometryElement == null)
return exported;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
exported = (ExportBuildingElementProxy(exporterIFC, element, geometryElement, productWrapper) != null);
if (exported)
tr.Commit();
}
return exported;
}
/// <summary>
/// Exports materials for host object.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="hostObject">The host object.</param>
/// <param name="elemHnd">The host IFC handle.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <param name="levelId">The level id.</param>
/// <param name="direction">The IFCLayerSetDirection.</param>
/// <param name="containsBRepGeometry">True if the geometry contains BRep geoemtry. If so, we will export an IfcMaterialList. If null, we will calculate.</param>
/// <returns>True if exported successfully, false otherwise.</returns>
public static bool ExportHostObjectMaterials(ExporterIFC exporterIFC, HostObject hostObject,
IFCAnyHandle elemHnd, GeometryElement geometryElement, ProductWrapper productWrapper,
ElementId levelId, Toolkit.IFCLayerSetDirection direction, bool? containsBRepGeometry)
{
IList<IFCAnyHandle> elemHnds = new List<IFCAnyHandle>();
elemHnds.Add(elemHnd);
// Setting doesContainBRepGeometry to false below preserves the original behavior that we created IfcMaterialLists for all geometries.
// TODO: calculate, or pass in, a valid bool value for Ceilings, Roofs, and Wall Sweeps.
bool doesContainBRepGeometry = containsBRepGeometry.HasValue ? containsBRepGeometry.Value : false;
return ExportHostObjectMaterials(exporterIFC, hostObject, elemHnds, geometryElement, productWrapper, levelId, direction, doesContainBRepGeometry);
}
/// <summary>
/// Exports an element as an IFC assembly with its members.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="assemblyElem">The element to be exported as IFC assembly.</param>
/// <param name="memberIds">The member element ids.</param>
/// <param name="assemblyType">The IFC assembly type.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
static void ExportAssemblyInstanceWithMembers(ExporterIFC exporterIFC, Element assemblyElem,
ICollection<ElementId> memberIds, IFCElementAssemblyType assemblyType, ProductWrapper productWrapper)
{
HashSet<IFCAnyHandle> memberHnds = new HashSet<IFCAnyHandle>();
foreach (ElementId memberId in memberIds)
{
IFCAnyHandle memberHnd = ExporterCacheManager.ElementToHandleCache.Find(memberId);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(memberHnd))
memberHnds.Add(memberHnd);
}
if (memberHnds.Count == 0)
return;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, assemblyElem))
{
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
IFCAnyHandle localPlacement = placementSetter.LocalPlacement;
string guid = GUIDUtil.CreateGUID(assemblyElem);
string name = NamingUtil.GetIFCName(assemblyElem);
string description = NamingUtil.GetDescriptionOverride(assemblyElem, null);
string objectType = NamingUtil.GetObjectTypeOverride(assemblyElem, exporterIFC.GetFamilyName());
string elementTag = NamingUtil.CreateIFCElementId(assemblyElem);
IFCAnyHandle assemblyInstanceHnd = IFCInstanceExporter.CreateElementAssembly(file, guid,
ownerHistory, name, description, objectType, localPlacement, null, elementTag,
IFCAssemblyPlace.NotDefined, assemblyType);
productWrapper.AddElement(assemblyElem, assemblyInstanceHnd, placementSetter.LevelInfo, null, true);
string aggregateGuid = GUIDUtil.CreateSubElementGUID(assemblyElem, (int)IFCAssemblyInstanceSubElements.RelAggregates);
IFCInstanceExporter.CreateRelAggregates(file, aggregateGuid, ownerHistory, null, null, assemblyInstanceHnd, memberHnds);
ExporterCacheManager.ElementsInAssembliesCache.UnionWith(memberHnds);
// Update member local placements to be relative to the assembly.
SetLocalPlacementsRelativeToAssembly(exporterIFC, localPlacement, memberHnds);
}
tr.Commit();
}
}
/// <summary>
/// Adds openings to an element.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="elementHandles">The parent handles.</param>
/// <param name="curveLoops">The parent CurveLoops.</param>
/// <param name="element">The element.</param>
/// <param name="lcs">The local coordinate system.</param>
/// <param name="scaledWidth">The width.</param>
/// <param name="range">The range.</param>
/// <param name="setter">The placement setter.</param>
/// <param name="localPlacement">The local placement.</param>
/// <param name="localWrapper">The wrapper.</param>
public static void AddOpeningsToElement(ExporterIFC exporterIFC, IList <IFCAnyHandle> elementHandles,
IList <CurveLoop> curveLoops, Element element, Transform lcs, double scaledWidth,
IFCRange range, PlacementSetter setter, IFCAnyHandle localPlacement, ProductWrapper localWrapper)
{
IList <IFCOpeningData> openingDataList = ExporterIFCUtils.GetOpeningData(exporterIFC, element, lcs, range);
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
foreach (IFCOpeningData openingData in openingDataList)
{
Element openingElem = element.Document.GetElement(openingData.OpeningElementId);
if (openingElem == null)
{
openingElem = element;
}
FamilyInstance openingFInst = openingElem as FamilyInstance;
if (openingFInst != null && openingFInst.Host != null)
{
if (openingFInst.Host.Id != element.Id)
{
continue; // If the host is not the current Wall, skip this opening
}
}
// Don't export the opening if WallSweep category has been turned off.
// This is currently restricted to WallSweeps because the element responsible for the opening could be a variety of things,
// including a line as part of the elevation profile of the wall.
// As such, we will restrict which element types we check for CanExportElement.
if ((openingElem is WallSweep) && (!ElementFilteringUtil.CanExportElement(exporterIFC, openingElem, true)))
{
continue;
}
IList <IFCExtrusionData> extrusionDataList = openingData.GetExtrusionData();
IFCAnyHandle parentHandle = null;
if (elementHandles.Count > 1 && extrusionDataList.Count > 0)
{
parentHandle = FindParentHandle(elementHandles, curveLoops, extrusionDataList[0].GetLoops()[0]);
}
if (parentHandle == null)
{
parentHandle = elementHandles[0];
}
bool isDoorOrWindowOpening = IsDoorOrWindowOpening(exporterIFC, openingElem, element);
if (isDoorOrWindowOpening)
{
DoorWindowDelayedOpeningCreator delayedCreator =
DoorWindowDelayedOpeningCreator.Create(exporterIFC, openingData, scaledWidth, element.Id, parentHandle, setter.LevelId);
if (delayedCreator != null)
{
ExporterCacheManager.DoorWindowDelayedOpeningCreatorCache.Add(delayedCreator);
continue;
}
}
// If the opening is "filled" by another element (either a door or window as determined above,
// or an embedded wall, then we can't use the element GUID for the opening.
bool canUseElementGUID = !isDoorOrWindowOpening && !(openingElem is Wall);
IList <Solid> solids = openingData.GetOpeningSolids();
foreach (Solid solid in solids)
{
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
extrusionCreationData.SetLocalPlacement(ExporterUtil.CreateLocalPlacement(file, localPlacement, null));
extrusionCreationData.ReuseLocalPlacement = true;
string openingGUID = CreateOpeningGUID(openingElem, canUseElementGUID);
canUseElementGUID = false; // Either it was used above, and therefore is now false, or it was already false.
CreateOpening(exporterIFC, parentHandle, element, openingElem, openingGUID, solid, scaledWidth, openingData.IsRecess, extrusionCreationData,
setter, localWrapper);
}
}
foreach (IFCExtrusionData extrusionData in extrusionDataList)
{
if (extrusionData.ScaledExtrusionLength < MathUtil.Eps())
{
extrusionData.ScaledExtrusionLength = scaledWidth;
}
string openingGUID = CreateOpeningGUID(openingElem, canUseElementGUID);
canUseElementGUID = false; // Either it was used above, and therefore is now false, or it was already false.
CreateOpening(exporterIFC, parentHandle, localPlacement, element, openingElem, openingGUID, extrusionData, lcs, openingData.IsRecess,
setter, localWrapper);
}
}
}
/// <summary>
/// Creates openings if there is necessary.
/// </summary>
/// <param name="elementHandle">The element handle to create openings.</param>
/// <param name="element">The element to create openings.</param>
/// <param name="info">The extrusion data.</param>
/// <param name="extraParams">The extrusion creation data.</param>
/// <param name="offsetTransform">The offset transform from ExportBody, or the identity transform.</param>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="originalPlacement">The original placement handle.</param>
/// <param name="setter">The PlacementSetter.</param>
/// <param name="wrapper">The ProductWrapper.</param>
private static void CreateOpeningsIfNecessaryBase(IFCAnyHandle elementHandle, Element element, IList <IFCExtrusionData> info,
IFCExtrusionCreationData extraParams, Transform offsetTransform, ExporterIFC exporterIFC,
IFCAnyHandle originalPlacement, PlacementSetter setter, ProductWrapper wrapper)
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(elementHandle))
{
return;
}
int sz = info.Count;
if (sz == 0)
{
return;
}
using (TransformSetter transformSetter = TransformSetter.Create())
{
if (offsetTransform != null)
{
transformSetter.Initialize(exporterIFC, offsetTransform.Inverse);
}
IFCFile file = exporterIFC.GetFile();
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
Document document = element.Document;
string openingObjectType = "Opening";
int openingNumber = 1;
for (int curr = info.Count - 1; curr >= 0; curr--)
{
IFCAnyHandle extrusionHandle = ExtrusionExporter.CreateExtrudedSolidFromExtrusionData(exporterIFC, element, info[curr]);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(extrusionHandle))
{
continue;
}
IFCAnyHandle styledItemHnd = BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, document,
extrusionHandle, ElementId.InvalidElementId);
HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>();
bodyItems.Add(extrusionHandle);
IFCAnyHandle contextOfItems = exporterIFC.Get3DContextHandle("Body");
IFCAnyHandle bodyRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, element, categoryId, contextOfItems, bodyItems, null);
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
representations.Add(bodyRep);
IFCAnyHandle openingRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, originalPlacement);
string guid = GUIDUtil.CreateGUID();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string openingName = NamingUtil.GetIFCNamePlusIndex(element, openingNumber++);
string elementId = NamingUtil.CreateIFCElementId(element);
IFCAnyHandle openingElement = IFCInstanceExporter.CreateOpeningElement(file, guid, ownerHistory,
openingName, null, openingObjectType, openingPlacement, openingRep, elementId);
wrapper.AddElement(null, openingElement, setter, extraParams, true);
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities && (extraParams != null))
{
PropertyUtil.CreateOpeningQuantities(exporterIFC, openingElement, extraParams);
}
string voidGuid = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null, elementHandle, openingElement);
}
}
}
/// <summary>
/// Creates an opening from extrusion data.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="hostObjHnd">The host handle.</param>
/// <param name="hostPlacement">The host placement.</param>
/// <param name="hostElement">The host element.</param>
/// <param name="insertElement">The opening element.</param>
/// <param name="openingGUID">The opening GUID.</param>
/// <param name="extrusionData">The extrusion data.</param>
/// <param name="plane">The plane.</param>
/// <param name="isRecess">True if it is a recess.</param>
/// <returns>The opening handle.</returns>
static public IFCAnyHandle CreateOpening(ExporterIFC exporterIFC, IFCAnyHandle hostObjHnd, IFCAnyHandle hostPlacement, Element hostElement,
Element insertElement, string openingGUID, IFCExtrusionData extrusionData, Plane plane, bool isRecess,
PlacementSetter setter, ProductWrapper localWrapper)
{
IFCFile file = exporterIFC.GetFile();
IList <CurveLoop> curveLoops = extrusionData.GetLoops();
if (curveLoops.Count == 0)
{
return(null);
}
if (plane == null)
{
// assumption: first curve loop defines the plane.
if (!curveLoops[0].HasPlane())
{
return(null);
}
plane = curveLoops[0].GetPlane();
}
ElementId catId = CategoryUtil.GetSafeCategoryId(insertElement);
IFCAnyHandle openingProdRepHnd = RepresentationUtil.CreateExtrudedProductDefShape(exporterIFC, insertElement, catId,
curveLoops, plane, extrusionData.ExtrusionDirection, extrusionData.ScaledExtrusionLength);
string openingObjectType = isRecess ? "Recess" : "Opening";
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string openingName = NamingUtil.GetNameOverride(insertElement, null);
if (string.IsNullOrEmpty(openingName))
{
openingName = NamingUtil.GetNameOverride(hostElement, NamingUtil.CreateIFCObjectName(exporterIFC, hostElement));
}
IFCAnyHandle openingHnd = IFCInstanceExporter.CreateOpeningElement(file, openingGUID, ownerHistory, openingName, null,
openingObjectType, ExporterUtil.CreateLocalPlacement(file, hostPlacement, null), openingProdRepHnd, null);
IFCExtrusionCreationData ecData = null;
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities)
{
double height, width;
ecData = new IFCExtrusionCreationData();
if (GeometryUtil.ComputeHeightWidthOfCurveLoop(curveLoops[0], plane, out height, out width))
{
ecData.ScaledHeight = UnitUtil.ScaleLength(height);
ecData.ScaledWidth = UnitUtil.ScaleLength(width);
}
else
{
double area = ExporterIFCUtils.ComputeAreaOfCurveLoops(curveLoops);
ecData.ScaledArea = UnitUtil.ScaleArea(area);
}
PropertyUtil.CreateOpeningQuantities(exporterIFC, openingHnd, ecData);
}
if (localWrapper != null)
{
Element elementForProperties = null;
if (GUIDUtil.IsGUIDFor(insertElement, openingGUID))
{
elementForProperties = insertElement;
}
localWrapper.AddElement(elementForProperties, openingHnd, setter, ecData, true);
}
string voidGuid = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null, hostObjHnd, openingHnd);
return(openingHnd);
}
/// <summary>
/// Creates an opening from a solid.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="hostObjHnd">The host object handle.</param>
/// <param name="hostElement">The host element.</param>
/// <param name="insertElement">The insert element.</param>
/// <param name="openingGUID">The GUID for the opening, depending on how the opening is created.</param>
/// <param name="solid">The solid.</param>
/// <param name="scaledHostWidth">The scaled host width.</param>
/// <param name="isRecess">True if it is recess.</param>
/// <param name="extrusionCreationData">The extrusion creation data.</param>
/// <param name="setter">The placement setter.</param>
/// <param name="localWrapper">The product wrapper.</param>
/// <returns>The created opening handle.</returns>
static public IFCAnyHandle CreateOpening(ExporterIFC exporterIFC, IFCAnyHandle hostObjHnd, Element hostElement, Element insertElement, string openingGUID,
Solid solid, double scaledHostWidth, bool isRecess, IFCExtrusionCreationData extrusionCreationData, PlacementSetter setter, ProductWrapper localWrapper)
{
IFCFile file = exporterIFC.GetFile();
ElementId catId = CategoryUtil.GetSafeCategoryId(insertElement);
XYZ prepToWall;
bool isLinearWall = GetOpeningDirection(hostElement, out prepToWall);
if (isLinearWall)
{
extrusionCreationData.CustomAxis = prepToWall;
extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryCustom;
}
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
BodyData bodyData = BodyExporter.ExportBody(exporterIFC, insertElement, catId, ElementId.InvalidElementId,
solid, bodyExporterOptions, extrusionCreationData);
IFCAnyHandle openingRepHnd = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(openingRepHnd))
{
extrusionCreationData.ClearOpenings();
return(null);
}
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
representations.Add(openingRepHnd);
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle openingPlacement = extrusionCreationData.GetLocalPlacement();
IFCAnyHandle hostObjPlacementHnd = IFCAnyHandleUtil.GetObjectPlacement(hostObjHnd);
Transform relTransform = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(openingPlacement, hostObjPlacementHnd);
openingPlacement = ExporterUtil.CreateLocalPlacement(file, hostObjPlacementHnd,
relTransform.Origin, relTransform.BasisZ, relTransform.BasisX);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
double scaledOpeningLength = extrusionCreationData.ScaledLength;
string openingObjectType = "Opening";
if (!MathUtil.IsAlmostZero(scaledHostWidth) && !MathUtil.IsAlmostZero(scaledOpeningLength))
{
openingObjectType = scaledOpeningLength < (scaledHostWidth - MathUtil.Eps()) ? "Recess" : "Opening";
}
else
{
openingObjectType = isRecess ? "Recess" : "Opening";
}
string openingName = NamingUtil.GetNameOverride(insertElement, null);
if (string.IsNullOrEmpty(openingName))
{
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(hostObjHnd))
{
openingName = IFCAnyHandleUtil.GetStringAttribute(hostObjHnd, "Name");
}
else
{
openingName = NamingUtil.GetNameOverride(hostElement, NamingUtil.CreateIFCObjectName(exporterIFC, hostElement));
}
}
IFCAnyHandle openingHnd = IFCInstanceExporter.CreateOpeningElement(file, openingGUID, ownerHistory, openingName, null,
openingObjectType, openingPlacement, prodRep, null);
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities)
{
PropertyUtil.CreateOpeningQuantities(exporterIFC, openingHnd, extrusionCreationData);
}
if (localWrapper != null)
{
Element elementForProperties = null;
if (GUIDUtil.IsGUIDFor(insertElement, openingGUID))
{
elementForProperties = insertElement;
}
localWrapper.AddElement(insertElement, openingHnd, setter, extrusionCreationData, true);
}
string voidGuid = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null, hostObjHnd, openingHnd);
return(openingHnd);
}
/// <summary>
/// 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();
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.GetEndPoint(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 (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, null, canExportAxis ? orientTrf : null))
{
IFCAnyHandle localPlacement = setter.LocalPlacement;
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 = -UnitUtil.UnscaleLength(offsetTransform.Origin);
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));
string preDefinedType = "BEAM"; // Default predefined type for Beam
preDefinedType = IFCValidateEntry.GetValidIFCType (element, preDefinedType);
IFCAnyHandle beam = IFCInstanceExporter.CreateBeam(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(),
instanceName, instanceDescription, instanceObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, instanceTag, preDefinedType);
productWrapper.AddElement(element, beam, setter, extrusionCreationData, true);
OpeningUtil.CreateOpeningsIfNecessary(beam, element, extrusionCreationData, offsetTransform, exporterIFC,
extrusionCreationData.GetLocalPlacement(), setter, productWrapper);
FamilyTypeInfo typeInfo = new FamilyTypeInfo();
typeInfo.ScaledDepth = extrusionCreationData.ScaledLength;
typeInfo.ScaledArea = extrusionCreationData.ScaledArea;
typeInfo.ScaledInnerPerimeter = extrusionCreationData.ScaledInnerPerimeter;
typeInfo.ScaledOuterPerimeter = extrusionCreationData.ScaledOuterPerimeter;
PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, beam, element, typeInfo, null);
if (materialIds.Count != 0)
{
CategoryUtil.CreateMaterialAssociations(exporterIFC, beam, materialIds);
}
// Register the beam's IFC handle for later use by truss and beam system export.
ExporterCacheManager.ElementToHandleCache.Register(element.Id, beam);
}
}
transaction.Commit();
}
}
/// <summary>
/// Implements the export of element.
/// </summary>
/// <param name="exporterIFC">The IFC exporter object.</param>
/// <param name="element">The element to export.</param>
/// <param name="productWrapper">The ProductWrapper object.</param>
public virtual void ExportElementImpl(ExporterIFC exporterIFC, Element element, ProductWrapper productWrapper)
{
Options options;
View ownerView = element.Document.GetElement(element.OwnerViewId) as View;
if (ownerView == null)
{
options = GeometryUtil.GetIFCExportGeometryOptions();
}
else
{
options = new Options();
options.View = ownerView;
}
GeometryElement geomElem = element.get_Geometry(options);
// Default: we don't preserve the element parameter cache after export.
bool shouldPreserveParameterCache = false;
try
{
exporterIFC.PushExportState(element, geomElem);
Autodesk.Revit.DB.Document doc = element.Document;
using (SubTransaction st = new SubTransaction(doc))
{
st.Start();
// A long list of supported elements. Please keep in alphabetical order.
if (element is AreaReinforcement || element is PathReinforcement || element is Rebar)
{
RebarExporter.Export(exporterIFC, element, productWrapper);
}
else if (element is AreaScheme)
{
AreaSchemeExporter.ExportAreaScheme(exporterIFC, element as AreaScheme, productWrapper);
}
else if (element is AssemblyInstance)
{
AssemblyInstance assemblyInstance = element as AssemblyInstance;
AssemblyInstanceExporter.ExportAssemblyInstanceElement(exporterIFC, assemblyInstance, productWrapper);
}
else if (element is BeamSystem)
{
if (ExporterCacheManager.BeamSystemCache.Contains(element.Id))
AssemblyInstanceExporter.ExportBeamSystem(exporterIFC, element as BeamSystem, productWrapper);
else
{
ExporterCacheManager.BeamSystemCache.Add(element.Id);
shouldPreserveParameterCache = true;
}
}
else if (element is Ceiling)
{
Ceiling ceiling = element as Ceiling;
CeilingExporter.ExportCeilingElement(exporterIFC, ceiling, geomElem, productWrapper);
}
else if (element is CeilingAndFloor || element is Floor)
{
// This covers both Floors and Building Pads.
CeilingAndFloor hostObject = element as CeilingAndFloor;
FloorExporter.ExportCeilingAndFloorElement(exporterIFC, hostObject, geomElem, productWrapper);
}
else if (element is ContFooting)
{
ContFooting footing = element as ContFooting;
FootingExporter.ExportFootingElement(exporterIFC, footing, geomElem, productWrapper);
}
else if (element is CurveElement)
{
CurveElement curveElem = element as CurveElement;
CurveElementExporter.ExportCurveElement(exporterIFC, curveElem, geomElem, productWrapper);
}
else if (element is CurtainSystem)
{
CurtainSystem curtainSystem = element as CurtainSystem;
CurtainSystemExporter.ExportCurtainSystem(exporterIFC, curtainSystem, productWrapper);
}
else if (CurtainSystemExporter.IsLegacyCurtainElement(element))
{
CurtainSystemExporter.ExportLegacyCurtainElement(exporterIFC, element, productWrapper);
}
else if (element is DuctInsulation)
{
DuctInsulation ductInsulation = element as DuctInsulation;
DuctInsulationExporter.ExportDuctInsulation(exporterIFC, ductInsulation, geomElem, productWrapper);
}
else if (element is DuctLining)
{
DuctLining ductLining = element as DuctLining;
DuctLiningExporter.ExportDuctLining(exporterIFC, ductLining, geomElem, productWrapper);
}
else if (element is ElectricalSystem)
{
ExporterCacheManager.SystemsCache.AddElectricalSystem(element.Id);
}
else if (element is FabricArea)
{
// We are exporting the fabric area as a group only.
FabricSheetExporter.ExportFabricArea(exporterIFC, element, productWrapper);
}
else if (element is FabricSheet)
{
FabricSheet fabricSheet = element as FabricSheet;
FabricSheetExporter.ExportFabricSheet(exporterIFC, fabricSheet, geomElem, productWrapper);
}
else if (element is FaceWall)
{
WallExporter.ExportWall(exporterIFC, element, null, geomElem, productWrapper);
}
else if (element is FamilyInstance)
{
FamilyInstance familyInstanceElem = element as FamilyInstance;
FamilyInstanceExporter.ExportFamilyInstanceElement(exporterIFC, familyInstanceElem, geomElem, productWrapper);
}
else if (element is FilledRegion)
{
FilledRegion filledRegion = element as FilledRegion;
FilledRegionExporter.Export(exporterIFC, filledRegion, geomElem, productWrapper);
}
else if (element is Grid)
{
ExporterCacheManager.GridCache.Add(element);
}
else if (element is Group)
{
Group group = element as Group;
GroupExporter.ExportGroupElement(exporterIFC, group, productWrapper);
}
else if (element is HostedSweep)
{
HostedSweep hostedSweep = element as HostedSweep;
HostedSweepExporter.Export(exporterIFC, hostedSweep, geomElem, productWrapper);
}
else if (element is Part)
{
Part part = element as Part;
if (ExporterCacheManager.ExportOptionsCache.ExportPartsAsBuildingElements)
PartExporter.ExportPartAsBuildingElement(exporterIFC, part, geomElem, productWrapper);
else
PartExporter.ExportStandalonePart(exporterIFC, part, geomElem, productWrapper);
}
else if (element is PipeInsulation)
{
PipeInsulation pipeInsulation = element as PipeInsulation;
PipeInsulationExporter.ExportPipeInsulation(exporterIFC, pipeInsulation, geomElem, productWrapper);
}
else if (element is Railing)
{
if (ExporterCacheManager.RailingCache.Contains(element.Id))
RailingExporter.ExportRailingElement(exporterIFC, element as Railing, productWrapper);
else
{
ExporterCacheManager.RailingCache.Add(element.Id);
RailingExporter.AddSubElementsToCache(element as Railing);
shouldPreserveParameterCache = true;
}
}
else if (RampExporter.IsRamp(element))
{
RampExporter.Export(exporterIFC, element, geomElem, productWrapper);
}
else if (element is RoofBase)
{
RoofBase roofElement = element as RoofBase;
RoofExporter.Export(exporterIFC, roofElement, geomElem, productWrapper);
}
else if (element is SpatialElement)
{
SpatialElement spatialElem = element as SpatialElement;
SpatialElementExporter.ExportSpatialElement(exporterIFC, spatialElem, productWrapper);
}
else if (IsStairs(element))
{
StairsExporter.Export(exporterIFC, element, geomElem, productWrapper);
}
else if (element is TextNote)
{
TextNote textNote = element as TextNote;
TextNoteExporter.Export(exporterIFC, textNote, productWrapper);
}
else if (element is TopographySurface)
{
TopographySurface topSurface = element as TopographySurface;
SiteExporter.ExportTopographySurface(exporterIFC, topSurface, geomElem, productWrapper);
}
else if (element is Truss)
{
if (ExporterCacheManager.TrussCache.Contains(element.Id))
AssemblyInstanceExporter.ExportTrussElement(exporterIFC, element as Truss, productWrapper);
else
{
ExporterCacheManager.TrussCache.Add(element.Id);
shouldPreserveParameterCache = true;
}
}
else if (element is Wall)
{
Wall wallElem = element as Wall;
WallExporter.Export(exporterIFC, wallElem, geomElem, productWrapper);
}
else if (element is WallSweep)
{
WallSweep wallSweep = element as WallSweep;
WallSweepExporter.Export(exporterIFC, wallSweep, geomElem, productWrapper);
}
else if (element is Zone)
{
if (ExporterCacheManager.ZoneCache.Contains(element.Id))
ZoneExporter.ExportZone(exporterIFC, element as Zone, productWrapper);
else
{
ExporterCacheManager.ZoneCache.Add(element.Id);
shouldPreserveParameterCache = true;
}
}
else
{
string ifcEnumType;
IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType);
bool exported = false;
if (IsMEPType(exporterIFC, element, exportType))
exported = GenericMEPExporter.Export(exporterIFC, element, geomElem, exportType, ifcEnumType, productWrapper);
else if (ExportAsProxy(element, exportType))
exported = ProxyElementExporter.Export(exporterIFC, element, geomElem, productWrapper);
// For ducts and pipes, we will add a IfcRelCoversBldgElements during the end of export.
if (exported && (element is Duct || element is Pipe))
ExporterCacheManager.MEPCache.CoveredElementsCache.Add(element.Id);
}
if (element.AssemblyInstanceId != ElementId.InvalidElementId)
ExporterCacheManager.AssemblyInstanceCache.RegisterElements(element.AssemblyInstanceId, productWrapper);
if (element.GroupId != ElementId.InvalidElementId)
ExporterCacheManager.GroupCache.RegisterElements(element.GroupId, productWrapper);
st.RollBack();
}
}
finally
{
exporterIFC.PopExportState();
ExporterStateManager.PreserveElementParameterCache(element, shouldPreserveParameterCache);
}
}
/// <summary>
/// Exports an element as an IFC assembly.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <returns>True if exported successfully, false otherwise.</returns>
public static bool ExportAssemblyInstanceElement(ExporterIFC exporterIFC, AssemblyInstance element,
ProductWrapper productWrapper)
{
if (element == null)
return false;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
IFCAnyHandle assemblyInstanceHnd = null;
string guid = GUIDUtil.CreateGUID(element);
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string name = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName());
IFCAnyHandle localPlacement = null;
PlacementSetter placementSetter = null;
IFCLevelInfo levelInfo = null;
string ifcEnumType;
IFCExportType exportAs = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType);
if (exportAs == IFCExportType.IfcSystem)
{
assemblyInstanceHnd = IFCInstanceExporter.CreateSystem(file, guid,
ownerHistory, name, description, objectType);
// Create classification reference when System has classification filed name assigned to it
ClassificationUtil.CreateClassification(exporterIFC, file, element, assemblyInstanceHnd);
HashSet<IFCAnyHandle> relatedBuildings = new HashSet<IFCAnyHandle>();
relatedBuildings.Add(ExporterCacheManager.BuildingHandle);
IFCAnyHandle relServicesBuildings = IFCInstanceExporter.CreateRelServicesBuildings(file, GUIDUtil.CreateGUID(),
exporterIFC.GetOwnerHistoryHandle(), null, null, assemblyInstanceHnd, relatedBuildings);
}
else
{
using (placementSetter = PlacementSetter.Create(exporterIFC, element))
{
string elementTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));
IFCAnyHandle representation = null;
// We have limited support for exporting assemblies as other container types.
localPlacement = placementSetter.LocalPlacement;
levelInfo = placementSetter.LevelInfo;
ifcEnumType = IFCValidateEntry.GetValidIFCType(element, ifcEnumType);
switch (exportAs)
{
case IFCExportType.IfcCurtainWall:
assemblyInstanceHnd = IFCInstanceExporter.CreateCurtainWall(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag);
break;
case IFCExportType.IfcRamp:
string rampPredefinedType = RampExporter.GetIFCRampType(ifcEnumType);
assemblyInstanceHnd = IFCInstanceExporter.CreateRamp(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag,
rampPredefinedType);
break;
case IFCExportType.IfcRoof:
assemblyInstanceHnd = IFCInstanceExporter.CreateRoof(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag,
ifcEnumType);
break;
case IFCExportType.IfcStair:
string stairPredefinedType = StairsExporter.GetIFCStairType(ifcEnumType);
assemblyInstanceHnd = IFCInstanceExporter.CreateStair(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag,
stairPredefinedType);
break;
case IFCExportType.IfcWall:
assemblyInstanceHnd = IFCInstanceExporter.CreateWall(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag,
ifcEnumType);
break;
default:
IFCElementAssemblyType assemblyPredefinedType = GetPredefinedTypeFromObjectType(objectType);
assemblyInstanceHnd = IFCInstanceExporter.CreateElementAssembly(file, guid,
ownerHistory, name, description, objectType, localPlacement, representation, elementTag,
IFCAssemblyPlace.NotDefined, assemblyPredefinedType);
break;
}
}
}
if (assemblyInstanceHnd == null)
return false;
bool relateToLevel = (levelInfo != null);
productWrapper.AddElement(element, assemblyInstanceHnd, levelInfo, null, relateToLevel);
ExporterCacheManager.AssemblyInstanceCache.RegisterAssemblyInstance(element.Id, assemblyInstanceHnd);
tr.Commit();
return true;
}
}
/// <summary>
/// Exports materials for host object.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="hostObject">The host object.</param>
/// <param name="elemHnds">The host IFC handles.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <param name="levelId">The level id.</param>
/// <param name="direction">The IFCLayerSetDirection.</param>
/// <param name="containsBRepGeometry">True if the geometry contains BRep geoemtry. If so, we will export an IfcMaterialList</param>
/// <returns>True if exported successfully, false otherwise.</returns>
public static bool ExportHostObjectMaterials(ExporterIFC exporterIFC, HostObject hostObject,
IList<IFCAnyHandle> elemHnds, GeometryElement geometryElement, ProductWrapper productWrapper,
ElementId levelId, Toolkit.IFCLayerSetDirection direction, bool containsBRepGeometry)
{
if (hostObject == null)
return true; //nothing to do
if (elemHnds == null || (elemHnds.Count == 0))
return true; //nothing to do
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
if (productWrapper != null)
productWrapper.ClearFinishMaterials();
double scaledOffset = 0.0, scaledWallWidth = 0.0, wallHeight = 0.0;
Wall wall = hostObject as Wall;
if (wall != null)
{
scaledWallWidth = UnitUtil.ScaleLength(wall.Width);
scaledOffset = -scaledWallWidth / 2.0;
BoundingBoxXYZ boundingBox = wall.get_BoundingBox(null);
if (boundingBox != null)
wallHeight = boundingBox.Max.Z - boundingBox.Min.Z;
}
ElementId typeElemId = hostObject.GetTypeId();
IFCAnyHandle materialLayerSet = ExporterCacheManager.MaterialLayerSetCache.Find(typeElemId);
// Roofs with no components are only allowed one material. We will arbitrarily choose the thickest material.
IFCAnyHandle primaryMaterialHnd = ExporterCacheManager.MaterialLayerSetCache.FindPrimaryMaterialHnd(typeElemId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(materialLayerSet))
{
HostObjAttributes hostObjAttr = hostObject.Document.GetElement(typeElemId) as HostObjAttributes;
if (hostObjAttr == null)
return true; //nothing to do
List<ElementId> matIds = new List<ElementId>();
List<double> widths = new List<double>();
List<MaterialFunctionAssignment> functions = new List<MaterialFunctionAssignment>();
ElementId baseMatId = CategoryUtil.GetBaseMaterialIdForElement(hostObject);
CompoundStructure cs = hostObjAttr.GetCompoundStructure();
if (cs != null)
{
//TODO: Vertically compound structures are not yet supported by export.
if (!cs.IsVerticallyHomogeneous() && !MathUtil.IsAlmostZero(wallHeight))
cs = cs.GetSimpleCompoundStructure(wallHeight, wallHeight / 2.0);
for (int i = 0; i < cs.LayerCount; ++i)
{
ElementId matId = cs.GetMaterialId(i);
if (matId != ElementId.InvalidElementId)
{
matIds.Add(matId);
}
else
{
matIds.Add(baseMatId);
}
widths.Add(cs.GetLayerWidth(i));
// save layer function into ProductWrapper,
// it's used while exporting "Function" of Pset_CoveringCommon
functions.Add(cs.GetLayerFunction(i));
}
}
if (matIds.Count == 0)
{
matIds.Add(baseMatId);
widths.Add(cs != null ? cs.GetWidth() : 0);
functions.Add(MaterialFunctionAssignment.None);
}
// We can't create IfcMaterialLayers without creating an IfcMaterialLayerSet. So we will simply collate here.
IList<IFCAnyHandle> materialHnds = new List<IFCAnyHandle>();
IList<int> widthIndices = new List<int>();
double thickestLayer = 0.0;
for (int ii = 0; ii < matIds.Count; ++ii)
{
// Require positive width for IFC2x3 and before, and non-negative width for IFC4.
if (widths[ii] < -MathUtil.Eps())
continue;
bool almostZeroWidth = MathUtil.IsAlmostZero(widths[ii]);
if (ExporterCacheManager.ExportOptionsCache.FileVersion != IFCVersion.IFC4 && almostZeroWidth)
continue;
if (almostZeroWidth)
widths[ii] = 0.0;
IFCAnyHandle materialHnd = CategoryUtil.GetOrCreateMaterialHandle(exporterIFC, matIds[ii]);
if (primaryMaterialHnd == null || (widths[ii] > thickestLayer))
{
primaryMaterialHnd = materialHnd;
thickestLayer = widths[ii];
}
widthIndices.Add(ii);
materialHnds.Add(materialHnd);
if ((productWrapper != null) && (functions[ii] == MaterialFunctionAssignment.Finish1 || functions[ii] == MaterialFunctionAssignment.Finish2))
{
productWrapper.AddFinishMaterial(materialHnd);
}
}
int numLayersToCreate = widthIndices.Count;
if (numLayersToCreate == 0)
return false;
if (!containsBRepGeometry)
{
IList<IFCAnyHandle> layers = new List<IFCAnyHandle>(numLayersToCreate);
for (int ii = 0; ii < numLayersToCreate; ii++)
{
int widthIndex = widthIndices[ii];
double scaledWidth = UnitUtil.ScaleLength(widths[widthIndex]);
IFCAnyHandle materialLayer = IFCInstanceExporter.CreateMaterialLayer(file, materialHnds[ii], scaledWidth, null);
layers.Add(materialLayer);
}
string layerSetName = exporterIFC.GetFamilyName();
materialLayerSet = IFCInstanceExporter.CreateMaterialLayerSet(file, layers, layerSetName);
ExporterCacheManager.MaterialLayerSetCache.Register(typeElemId, materialLayerSet);
ExporterCacheManager.MaterialLayerSetCache.RegisterPrimaryMaterialHnd(typeElemId, primaryMaterialHnd);
}
else
{
foreach (IFCAnyHandle elemHnd in elemHnds)
{
CategoryUtil.CreateMaterialAssociations(exporterIFC, elemHnd, matIds);
}
}
}
// IfcMaterialLayerSetUsage is not supported for IfcWall, only IfcWallStandardCase.
IFCAnyHandle layerSetUsage = null;
for (int ii = 0; ii < elemHnds.Count; ii++)
{
IFCAnyHandle elemHnd = elemHnds[ii];
if (IFCAnyHandleUtil.IsNullOrHasNoValue(elemHnd))
continue;
SpaceBoundingElementUtil.RegisterSpaceBoundingElementHandle(exporterIFC, elemHnd, hostObject.Id, levelId);
if (containsBRepGeometry)
continue;
HashSet<IFCAnyHandle> relDecomposesSet = IFCAnyHandleUtil.GetRelDecomposes(elemHnd);
IList<IFCAnyHandle> subElemHnds = null;
if (relDecomposesSet != null && relDecomposesSet.Count == 1)
{
IFCAnyHandle relAggregates = relDecomposesSet.First();
if (IFCAnyHandleUtil.IsTypeOf(relAggregates, IFCEntityType.IfcRelAggregates))
subElemHnds = IFCAnyHandleUtil.GetAggregateInstanceAttribute<List<IFCAnyHandle>>(relAggregates, "RelatedObjects");
}
bool hasSubElems = (subElemHnds != null && subElemHnds.Count != 0);
bool isRoof = IFCAnyHandleUtil.IsTypeOf(elemHnd, IFCEntityType.IfcRoof);
if (!hasSubElems && !isRoof && !IFCAnyHandleUtil.IsTypeOf(elemHnd, IFCEntityType.IfcWall))
{
if (layerSetUsage == null)
{
bool flipDirSense = true;
if (wall != null)
{
// if we have flipped the center curve on export, we need to take that into account here.
// We flip the center curve on export if it is an arc and it has a negative Z direction.
LocationCurve locCurve = wall.Location as LocationCurve;
if (locCurve != null)
{
Curve curve = locCurve.Curve;
Plane defPlane = new Plane(XYZ.BasisX, XYZ.BasisY, XYZ.Zero);
bool curveFlipped = GeometryUtil.MustFlipCurve(defPlane, curve);
flipDirSense = !(wall.Flipped ^ curveFlipped);
}
}
else if (hostObject is Floor)
{
flipDirSense = false;
}
double offsetFromReferenceLine = flipDirSense ? -scaledOffset : scaledOffset;
IFCDirectionSense sense = flipDirSense ? IFCDirectionSense.Negative : IFCDirectionSense.Positive;
layerSetUsage = IFCInstanceExporter.CreateMaterialLayerSetUsage(file, materialLayerSet, direction, sense, offsetFromReferenceLine);
}
ExporterCacheManager.MaterialLayerRelationsCache.Add(layerSetUsage, elemHnd);
}
else
{
if (hasSubElems)
{
foreach (IFCAnyHandle subElemHnd in subElemHnds)
{
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(subElemHnd))
ExporterCacheManager.MaterialLayerRelationsCache.Add(materialLayerSet, subElemHnd);
}
}
else if (!isRoof)
{
ExporterCacheManager.MaterialLayerRelationsCache.Add(materialLayerSet, elemHnd);
}
else if (primaryMaterialHnd != null)
{
ExporterCacheManager.MaterialLayerRelationsCache.Add(primaryMaterialHnd, elemHnd);
}
}
}
tr.Commit();
return true;
}
}
/// <summary>
/// Adds openings to an element.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="elementHandles">The parent handles.</param>
/// <param name="curveLoops">The parent CurveLoops.</param>
/// <param name="element">The element.</param>
/// <param name="lcs">The local coordinate system.</param>
/// <param name="scaledWidth">The width.</param>
/// <param name="range">The range.</param>
/// <param name="setter">The placement setter.</param>
/// <param name="localPlacement">The local placement.</param>
/// <param name="localWrapper">The wrapper.</param>
public static void AddOpeningsToElement(ExporterIFC exporterIFC,
IList <IFCAnyHandle> elementHandles, IList <CurveLoop> curveLoops, Element element,
Transform lcs, double scaledWidth, IFCRange range, PlacementSetter setter,
IFCAnyHandle localPlacement, ProductWrapper localWrapper)
{
if (lcs == null && ((curveLoops?.Count ?? 0) > 0))
{
// assumption: first curve loop defines the plane.
Plane hostObjPlane = curveLoops[0].HasPlane() ? curveLoops[0].GetPlane(): null;
if (hostObjPlane != null)
{
lcs = GeometryUtil.CreateTransformFromPlane(hostObjPlane);
}
}
IList <IFCOpeningData> openingDataList = ExporterIFCUtils.GetOpeningData(exporterIFC,
element, lcs, range);
IFCFile file = exporterIFC.GetFile();
int openingIndex = 0;
foreach (IFCOpeningData openingData in openingDataList)
{
openingIndex++;
Element openingElem = element.Document.GetElement(openingData.OpeningElementId);
if (openingElem == null)
{
openingElem = element;
}
bool currentWallIsHost = false;
FamilyInstance openingFInst = openingElem as FamilyInstance;
if (openingFInst != null && openingFInst.Host != null)
{
if (openingFInst.Host.Id == element.Id)
{
currentWallIsHost = true;
}
}
// Don't export the opening if WallSweep category has been turned off.
// This is currently restricted to WallSweeps because the element responsible for the opening could be a variety of things,
// including a line as part of the elevation profile of the wall.
// As such, we will restrict which element types we check for CanExportElement.
if ((openingElem is WallSweep) &&
(!ElementFilteringUtil.CanExportElement(exporterIFC, openingElem, true)))
{
continue;
}
IList <IFCExtrusionData> extrusionDataList = openingData.GetExtrusionData();
IFCAnyHandle parentHandle = FindParentHandle(elementHandles, curveLoops, extrusionDataList);
string predefinedType;
IFCExportInfoPair exportType = ExporterUtil.GetProductExportType(exporterIFC,
openingElem, out predefinedType);
bool exportingDoorOrWindow = (exportType.ExportInstance == IFCEntityType.IfcDoor ||
exportType.ExportType == IFCEntityType.IfcDoorType ||
exportType.ExportInstance == IFCEntityType.IfcWindow ||
exportType.ExportType == IFCEntityType.IfcWindowType);
bool isDoorOrWindowOpening = IsDoorOrWindowOpening(openingElem, element,
exportingDoorOrWindow);
if (isDoorOrWindowOpening && currentWallIsHost)
{
DoorWindowDelayedOpeningCreator delayedCreator =
DoorWindowDelayedOpeningCreator.Create(exporterIFC, openingData, scaledWidth,
element.Id, parentHandle, setter.LevelId);
if (delayedCreator != null)
{
ExporterCacheManager.DoorWindowDelayedOpeningCreatorCache.Add(delayedCreator);
continue;
}
}
IList <Solid> solids = openingData.GetOpeningSolids();
int solidIndex = 0;
foreach (Solid solid in solids)
{
solidIndex++;
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
extrusionCreationData.SetLocalPlacement(ExporterUtil.CreateLocalPlacement(file, localPlacement, null));
extrusionCreationData.ReuseLocalPlacement = true;
string openingGUID = CreateOpeningGUID(openingElem, range, openingIndex, solidIndex);
CreateOpening(exporterIFC, parentHandle, element, openingElem, openingGUID, solid, scaledWidth, openingData.IsRecess, extrusionCreationData,
setter, localWrapper);
}
}
foreach (IFCExtrusionData extrusionData in extrusionDataList)
{
solidIndex++;
if (extrusionData.ScaledExtrusionLength < MathUtil.Eps())
{
extrusionData.ScaledExtrusionLength = scaledWidth;
}
string openingGUID = CreateOpeningGUID(openingElem, range, openingIndex, solidIndex);
CreateOpening(exporterIFC, parentHandle, localPlacement, element, openingElem,
openingGUID, extrusionData, lcs, openingData.IsRecess, setter, localWrapper);
}
}
}
private void GenerateIFCObjectsIfNeeded()
{
if (m_needToGenerateIFCObjects)
{
m_needToGenerateIFCObjects = false;
}
else
{
return;
}
IFCAnyHandle materialLayerSet = null;
if (m_ProductWrapper != null && !m_ProductWrapper.ToNative().IsValidObject)
{
m_ProductWrapper = null;
}
m_ProductWrapper?.ClearFinishMaterials();
// We can't create IfcMaterialLayers without creating an IfcMaterialLayerSet. So we will simply collate here.
IList <IFCAnyHandle> materialHnds = new List <IFCAnyHandle>();
IList <int> widthIndices = new List <int>();
double thickestLayer = 0.0;
for (int ii = 0; ii < MaterialIds.Count; ++ii)
{
// Require positive width for IFC2x3 and before, and non-negative width for IFC4.
if (MaterialIds[ii].m_matWidth < -MathUtil.Eps())
{
continue;
}
bool almostZeroWidth = MathUtil.IsAlmostZero(MaterialIds[ii].m_matWidth);
if (!ExporterCacheManager.ExportOptionsCache.ExportAs4 && almostZeroWidth)
{
continue;
}
if (almostZeroWidth)
{
MaterialIds[ii].m_matWidth = 0.0;
}
IFCAnyHandle materialHnd = CategoryUtil.GetOrCreateMaterialHandle(m_ExporterIFC, MaterialIds[ii].m_baseMatId);
if (m_PrimaryMaterialHandle == null || (MaterialIds[ii].m_matWidth > thickestLayer))
{
m_PrimaryMaterialHandle = materialHnd;
thickestLayer = MaterialIds[ii].m_matWidth;
}
widthIndices.Add(ii);
materialHnds.Add(materialHnd);
if ((m_ProductWrapper != null) && (MaterialIds[ii].m_function == MaterialFunctionAssignment.Finish1 || MaterialIds[ii].m_function == MaterialFunctionAssignment.Finish2))
{
m_ProductWrapper.AddFinishMaterial(materialHnd);
}
}
int numLayersToCreate = widthIndices.Count;
if (numLayersToCreate == 0)
{
m_MaterialLayerSetHandle = materialLayerSet;
return;
}
// If it is a single material, check single material override (only IfcMaterial without IfcMaterialLayerSet with only 1 member)
if (numLayersToCreate == 1 && ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)
{
m_MaterialLayerSetHandle = ExporterUtil.GetSingleMaterial(m_ExporterIFC, m_Element,
MaterialIds[0].m_baseMatId) ?? materialHnds[0];
return;
}
IFCFile file = m_ExporterIFC.GetFile();
Document document = ExporterCacheManager.Document;
IList <IFCAnyHandle> layers = new List <IFCAnyHandle>(numLayersToCreate);
IList <Tuple <string, IFCAnyHandle> > layerWidthQuantities = new List <Tuple <string, IFCAnyHandle> >();
HashSet <string> layerNameUsed = new HashSet <string>();
double totalWidth = 0.0;
for (int ii = 0; ii < numLayersToCreate; ii++)
{
int widthIndex = widthIndices[ii];
double scaledWidth = UnitUtil.ScaleLength(MaterialIds[widthIndex].m_matWidth);
string layerName = "Layer";
string description = null;
string category = null;
int? priority = null;
IFCLogical?isVentilated = null;
int isVentilatedValue;
Material material = document.GetElement(MaterialIds[ii].m_baseMatId) as Material;
if (material != null)
{
if (ParameterUtil.GetIntValueFromElement(material, "IfcMaterialLayer.IsVentilated", out isVentilatedValue) != null)
{
if (isVentilatedValue == 0)
{
isVentilated = IFCLogical.False;
}
else if (isVentilatedValue == 1)
{
isVentilated = IFCLogical.True;
}
}
if (ExporterCacheManager.ExportOptionsCache.ExportAs4)
{
layerName = MaterialIds[ii].m_layerName;
if (string.IsNullOrEmpty(layerName))
{
layerName = "Layer";
}
// Ensure layer name is unique
layerName = NamingUtil.GetUniqueNameWithinSet(layerName, ref layerNameUsed);
description = NamingUtil.GetOverrideStringValue(material, "IfcMaterialLayer.Description",
IFCAnyHandleUtil.GetStringAttribute(materialHnds[ii], "Description"));
category = NamingUtil.GetOverrideStringValue(material, "IfcMaterialLayer.Category",
IFCAnyHandleUtil.GetStringAttribute(materialHnds[ii], "Category"));
int priorityValue;
if (ParameterUtil.GetIntValueFromElement(material, "IfcMaterialLayer.Priority", out priorityValue) != null)
{
priority = priorityValue;
}
}
}
if (ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)
{
// Skip component that has zero width (the will be no geometry associated to it
if (MathUtil.IsAlmostZero(scaledWidth))
{
continue;
}
IFCAnyHandle materialConstituent = IFCInstanceExporter.CreateMaterialConstituent(file, materialHnds[ii],
name: layerName, description: description, category: category);
layers.Add(materialConstituent);
IFCAnyHandle layerQtyHnd = IFCInstanceExporter.CreateQuantityLength(file, "Width", description, null, scaledWidth);
totalWidth += scaledWidth;
layerWidthQuantities.Add(new Tuple <string, IFCAnyHandle>(layerName, layerQtyHnd));
}
else
{
IFCAnyHandle materialLayer = IFCInstanceExporter.CreateMaterialLayer(file, materialHnds[ii], scaledWidth, isVentilated,
name: layerName, description: description, category: category, priority: priority);
layers.Add(materialLayer);
}
}
ElementId typeElemId = m_Element.GetTypeId();
if (layers.Count > 0)
{
Element type = document.GetElement(typeElemId);
string layerSetName = NamingUtil.GetOverrideStringValue(type, "IfcMaterialLayerSet.Name", m_ExporterIFC.GetFamilyName());
string layerSetDesc = NamingUtil.GetOverrideStringValue(type, "IfcMaterialLayerSet.Description", null);
if (ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)
{
HashSet <IFCAnyHandle> constituents = new HashSet <IFCAnyHandle>(layers);
m_MaterialLayerSetHandle = IFCInstanceExporter.CreateMaterialConstituentSet(file, constituents, name: layerSetName, description: layerSetDesc);
foreach (Tuple <string, IFCAnyHandle> layerWidthQty in layerWidthQuantities)
{
m_LayerQuantityWidthHnd.Add(IFCInstanceExporter.CreatePhysicalComplexQuantity(file, layerWidthQty.Item1, null,
new HashSet <IFCAnyHandle>()
{
layerWidthQty.Item2
}, "Layer", null, null));
}
// Finally create the total width as a quantity
m_LayerQuantityWidthHnd.Add(IFCInstanceExporter.CreateQuantityLength(file, "Width", null, null, totalWidth));
}
else
{
m_MaterialLayerSetHandle = IFCInstanceExporter.CreateMaterialLayerSet(file, layers, layerSetName, layerSetDesc);
}
ExporterCacheManager.MaterialSetCache.RegisterLayerSet(typeElemId, m_MaterialLayerSetHandle, this);
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(m_PrimaryMaterialHandle))
{
ExporterCacheManager.MaterialSetCache.RegisterPrimaryMaterialHnd(typeElemId, m_PrimaryMaterialHandle);
}
}
/// <summary>
/// Collect information to create space occupants and cache them to create when end export.
/// </summary>
/// <param name="exporterIFC">
/// The exporterIFC object.
/// </param>
/// <param name="file">
/// The IFCFile object.
/// </param>
/// <param name="element">
/// The element.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
static void CreateSpaceOccupantInfo(ExporterIFC exporterIFC, IFCFile file, Element element, ProductWrapper productWrapper)
{
IFCAnyHandle roomHandle = productWrapper.GetElementOfType(IFCEntityType.IfcSpace);
bool exportToCOBIE = ExporterCacheManager.ExportOptionsCache.ExportAsCOBIE;
string name;
if (ParameterUtil.GetStringValueFromElement(element.Id, "Occupant", out name) != null)
{
Dictionary<string, IFCAnyHandle> classificationHandles = new Dictionary<string, IFCAnyHandle>();
// Classifications.
if (exportToCOBIE)
{
Document doc = element.Document;
ProjectInfo projectInfo = doc.ProjectInformation;
string location = null;
if (projectInfo != null)
ParameterUtil.GetStringValueFromElement(projectInfo.Id, "BIM Standards URL", out location);
string itemReference;
if (ParameterUtil.GetStringValueFromElementOrSymbol(element, "Space Occupant Organization ID Reference", out itemReference) != null)
{
string itemName;
ParameterUtil.GetStringValueFromElementOrSymbol(element, "Space Occupant Organization ID Name", out itemName);
IFCAnyHandle classificationReference = IFCInstanceExporter.CreateClassificationReference(file,
location, itemReference, itemName, null);
classificationHandles["Space Occupant Organization ID"] = classificationReference;
}
if (ParameterUtil.GetStringValueFromElementOrSymbol(element, "Space Occupant Sub-Organization ID Reference", out itemReference) != null)
{
string itemName;
ParameterUtil.GetStringValueFromElementOrSymbol(element, "Space Occupant Sub-Organization ID Name", out itemName);
IFCAnyHandle classificationReference = IFCInstanceExporter.CreateClassificationReference(file,
location, itemReference, itemName, null);
classificationHandles["Space Occupant Sub-Organization ID"] = classificationReference;
}
if (ParameterUtil.GetStringValueFromElementOrSymbol(element, "Space Occupant Sub-Organization ID Reference", out itemReference) != null)
{
string itemName;
ParameterUtil.GetStringValueFromElementOrSymbol(element, "Space Occupant Sub-Organization ID Name", out itemName);
IFCAnyHandle classificationReference = IFCInstanceExporter.CreateClassificationReference(file,
location, itemReference, itemName, null);
classificationHandles["Space Occupant Sub-Organization ID"] = classificationReference;
}
if (ParameterUtil.GetStringValueFromElementOrSymbol(element, "Space Occupant Organization Billing ID Reference", out itemReference) != null)
{
string itemName;
ParameterUtil.GetStringValueFromElementOrSymbol(element, "Space Occupant Organization Billing ID Name", out itemName);
IFCAnyHandle classificationReference = IFCInstanceExporter.CreateClassificationReference(file,
location, itemReference, itemName, null);
classificationHandles["Space Occupant Organization Billing ID"] = classificationReference;
}
}
// Look for Parameter Set definition. We don't use the general approach as Space Occupants are not "real" elements.
IFCAnyHandle spaceOccupantPSetHnd = CreatePSetSpaceOccupant(exporterIFC, file, element);
SpaceOccupantInfo spaceOccupantInfo = ExporterCacheManager.SpaceOccupantInfoCache.Find(name);
if (spaceOccupantInfo == null)
{
spaceOccupantInfo = new SpaceOccupantInfo(roomHandle, classificationHandles, spaceOccupantPSetHnd);
ExporterCacheManager.SpaceOccupantInfoCache.Register(name, spaceOccupantInfo);
}
else
{
spaceOccupantInfo.RoomHandles.Add(roomHandle);
foreach (KeyValuePair<string, IFCAnyHandle> classificationReference in classificationHandles)
{
if (!spaceOccupantInfo.ClassificationReferences[classificationReference.Key].HasValue)
spaceOccupantInfo.ClassificationReferences[classificationReference.Key] = classificationReference.Value;
else
{
// Delete redundant IfcClassificationReference from file.
classificationReference.Value.Delete();
}
}
if (spaceOccupantInfo.SpaceOccupantProperySetHandle == null || !spaceOccupantInfo.SpaceOccupantProperySetHandle.HasValue)
spaceOccupantInfo.SpaceOccupantProperySetHandle = spaceOccupantPSetHnd;
else if (spaceOccupantPSetHnd.HasValue)
spaceOccupantPSetHnd.Delete();
}
}
}
/// <summary>
/// Exports the element properties.
/// </summary>
/// <param name="exporterIFC">The IFC exporter object.</param>
/// <param name="element">The element whose properties are exported.</param>
/// <param name="productWrapper">The ProductWrapper object.</param>
private static void ExportElementProperties(ExporterIFC exporterIFC, Element element, ProductWrapper productWrapper)
{
if (productWrapper.IsEmpty())
return;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
Document doc = element.Document;
ElementType elemType = doc.GetElement(element.GetTypeId()) as ElementType;
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
ICollection<IFCAnyHandle> productSet = productWrapper.GetAllObjects();
IList<IList<PropertySetDescription>> psetsToCreate = ExporterCacheManager.ParameterCache.PropertySets;
// In some cases, like multi-story stairs and ramps, we may have the same Pset used for multiple levels.
// If ifcParams is null, re-use the property set.
ISet<string> locallyUsedGUIDs = new HashSet<string>();
IDictionary<Tuple<Element, Element, string>, IFCAnyHandle> createdPropertySets =
new Dictionary<Tuple<Element, Element, string>, IFCAnyHandle>();
IDictionary<IFCAnyHandle, HashSet<IFCAnyHandle>> relDefinesByPropertiesMap =
new Dictionary<IFCAnyHandle, HashSet<IFCAnyHandle>>();
foreach (IFCAnyHandle prodHnd in productSet)
{
IList<PropertySetDescription> currPsetsToCreate = GetCurrPSetsToCreate(prodHnd, psetsToCreate);
if (currPsetsToCreate.Count == 0)
continue;
ElementId overrideElementId = ExporterCacheManager.HandleToElementCache.Find(prodHnd);
Element elementToUse = (overrideElementId == ElementId.InvalidElementId) ? element : doc.GetElement(overrideElementId);
ElementType elemTypeToUse = (overrideElementId == ElementId.InvalidElementId) ? elemType : doc.GetElement(elementToUse.GetTypeId()) as ElementType;
if (elemTypeToUse == null)
elemTypeToUse = elemType;
IFCExtrusionCreationData ifcParams = productWrapper.FindExtrusionCreationParameters(prodHnd);
foreach (PropertySetDescription currDesc in currPsetsToCreate)
{
// Last conditional check: if the property set comes from a ViewSchedule, check if the element is in the schedule.
if (currDesc.ViewScheduleId != ElementId.InvalidElementId)
if (!ExporterCacheManager.ViewScheduleElementCache[currDesc.ViewScheduleId].Contains(elementToUse.Id))
continue;
Tuple<Element, Element, string> propertySetKey = new Tuple<Element, Element, string>(elementToUse, elemTypeToUse, currDesc.Name);
IFCAnyHandle propertySet = null;
if ((ifcParams != null) || (!createdPropertySets.TryGetValue(propertySetKey, out propertySet)))
{
HashSet<IFCAnyHandle> props = currDesc.ProcessEntries(file, exporterIFC, ifcParams, elementToUse, elemTypeToUse);
if (props.Count > 0)
{
int subElementIndex = CheckElementTypeValidityForSubIndex(currDesc, prodHnd, element);
string guid = GUIDUtil.CreateSubElementGUID(elementToUse, subElementIndex);
if (locallyUsedGUIDs.Contains(guid))
guid = GUIDUtil.CreateGUID();
else
locallyUsedGUIDs.Add(guid);
string paramSetName = currDesc.Name;
propertySet = IFCInstanceExporter.CreatePropertySet(file, guid, ownerHistory, paramSetName, null, props);
if (ifcParams == null)
createdPropertySets[propertySetKey] = propertySet;
}
}
if (propertySet != null)
{
IFCAnyHandle prodHndToUse = prodHnd;
DescriptionCalculator ifcRDC = currDesc.DescriptionCalculator;
if (ifcRDC != null)
{
IFCAnyHandle overrideHnd = ifcRDC.RedirectDescription(exporterIFC, elementToUse);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(overrideHnd))
prodHndToUse = overrideHnd;
}
HashSet<IFCAnyHandle> relatedObjects = null;
if (!relDefinesByPropertiesMap.TryGetValue(propertySet, out relatedObjects))
{
relatedObjects = new HashSet<IFCAnyHandle>();
relDefinesByPropertiesMap[propertySet] = relatedObjects;
}
relatedObjects.Add(prodHndToUse);
}
}
}
foreach (KeyValuePair<IFCAnyHandle, HashSet<IFCAnyHandle>> relDefinesByProperties in relDefinesByPropertiesMap)
{
IFCInstanceExporter.CreateRelDefinesByProperties(file, GUIDUtil.CreateGUID(), ownerHistory, null, null,
relDefinesByProperties.Value, relDefinesByProperties.Key);
}
transaction.Commit();
}
if (ExporterCacheManager.ExportOptionsCache.ExportAs2x2)
ExportPsetDraughtingFor2x2(exporterIFC, element, productWrapper);
}
/// <summary>
/// Collect information to create zones and cache them to create when end export.
/// </summary>
/// <param name="exporterIFC">The exporterIFC object.</param>
/// <param name="file">The IFCFile object.</param>
/// <param name="element">The element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
static void CreateZoneInfos(ExporterIFC exporterIFC, IFCFile file, Element element, ProductWrapper productWrapper)
{
bool exportToCOBIE = ExporterCacheManager.ExportOptionsCache.ExportAsCOBIE;
// Extra zone information, since Revit doesn't have architectural zones.
int val = 0;
string basePropZoneName = "ZoneName";
string basePropZoneObjectType = "ZoneObjectType";
string basePropZoneDescription = "ZoneDescription";
string basePropZoneClassificationCode = "ZoneClassificationCode";
// While a room may contain multiple zones, only one can have the extra parameters. We will allow the first zone encountered
// to be defined by them. If we require defining multiple zones in one room, then the code below should be modified to modify the
// names of the shared parameters to include the index of the appropriate room.
bool exportedExtraZoneInformation = false;
while (++val < 1000) // prevent infinite loop.
{
string propZoneName, propZoneObjectType, propZoneDescription, propZoneClassificationCode;
if (val == 1)
{
propZoneName = basePropZoneName;
propZoneObjectType = basePropZoneObjectType;
propZoneDescription = basePropZoneDescription;
propZoneClassificationCode = basePropZoneClassificationCode;
}
else
{
propZoneName = basePropZoneName + " " + val;
propZoneObjectType = basePropZoneObjectType + " " + val;
propZoneDescription = basePropZoneDescription + " " + val;
propZoneClassificationCode = basePropZoneClassificationCode + " " + val;
}
string zoneName;
string zoneObjectType;
string zoneDescription;
string zoneClassificationCode;
IFCAnyHandle zoneClassificationReference;
if (ParameterUtil.GetOptionalStringValueFromElementOrSymbol(element, propZoneName, out zoneName) == null)
break;
// If we have an empty zone name, but the value exists, keep looking to make sure there aren't valid values later.
if (!String.IsNullOrEmpty(zoneName))
{
Dictionary<string, IFCAnyHandle> classificationHandles = new Dictionary<string, IFCAnyHandle>();
ParameterUtil.GetStringValueFromElementOrSymbol(element, propZoneObjectType, out zoneObjectType);
ParameterUtil.GetStringValueFromElementOrSymbol(element, propZoneDescription, out zoneDescription);
ParameterUtil.GetStringValueFromElementOrSymbol(element, propZoneClassificationCode, out zoneClassificationCode);
string classificationName, classificationCode, classificationDescription;
if (!String.IsNullOrEmpty(zoneClassificationCode))
{
ClassificationUtil.parseClassificationCode(zoneClassificationCode, propZoneClassificationCode, out classificationName, out classificationCode, out classificationDescription);
string location = null;
ExporterCacheManager.ClassificationLocationCache.TryGetValue(classificationName, out location);
zoneClassificationReference = ClassificationUtil.CreateClassificationReference(file, classificationName, classificationCode, classificationDescription, location);
classificationHandles.Add(classificationName, zoneClassificationReference);
}
IFCAnyHandle roomHandle = productWrapper.GetElementOfType(IFCEntityType.IfcSpace);
IFCAnyHandle energyAnalysisPSetHnd = null;
if (exportToCOBIE && !exportedExtraZoneInformation)
{
exportedExtraZoneInformation = CreateGSAInformation(exporterIFC, element, zoneObjectType,
classificationHandles, energyAnalysisPSetHnd);
}
ZoneInfo zoneInfo = ExporterCacheManager.ZoneInfoCache.Find(zoneName);
if (zoneInfo == null)
{
IFCAnyHandle zoneCommonPropertySetHandle = CreateZoneCommonPSet(exporterIFC, file, element);
zoneInfo = new ZoneInfo(zoneObjectType, zoneDescription, roomHandle, classificationHandles, energyAnalysisPSetHnd, zoneCommonPropertySetHandle);
ExporterCacheManager.ZoneInfoCache.Register(zoneName, zoneInfo);
}
else
{
// if description and object type were empty, overwrite.
if (!String.IsNullOrEmpty(zoneObjectType) && String.IsNullOrEmpty(zoneInfo.ObjectType))
zoneInfo.ObjectType = zoneObjectType;
if (!String.IsNullOrEmpty(zoneDescription) && String.IsNullOrEmpty(zoneInfo.Description))
zoneInfo.Description = zoneDescription;
zoneInfo.RoomHandles.Add(roomHandle);
foreach (KeyValuePair<string, IFCAnyHandle> classificationReference in classificationHandles)
{
if (!zoneInfo.ClassificationReferences[classificationReference.Key].HasValue)
zoneInfo.ClassificationReferences[classificationReference.Key] = classificationReference.Value;
else
{
// Delete redundant IfcClassificationReference from file.
classificationReference.Value.Delete();
}
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(zoneInfo.EnergyAnalysisProperySetHandle))
zoneInfo.EnergyAnalysisProperySetHandle = energyAnalysisPSetHnd;
else if (energyAnalysisPSetHnd.HasValue)
energyAnalysisPSetHnd.Delete();
if (IFCAnyHandleUtil.IsNullOrHasNoValue(zoneInfo.ZoneCommonProperySetHandle))
zoneInfo.ZoneCommonProperySetHandle = CreateZoneCommonPSet(exporterIFC, file, element);
}
}
}
}
private static void ExportElementClassifications(ExporterIFC exporterIFC, Element element, ProductWrapper productWrapper)
{
if (productWrapper.IsEmpty())
return;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
ICollection<IFCAnyHandle> productSet = productWrapper.GetAllObjects();
foreach (IFCAnyHandle prodHnd in productSet)
{
// No need to check the subtype since Classification can be assigned to IfcRoot
// if (IFCAnyHandleUtil.IsSubTypeOf(prodHnd, IFCEntityType.IfcElement))
ClassificationUtil.CreateClassification(exporterIFC, file, element, prodHnd);
}
transaction.Commit();
}
}
/// <summary>
/// Creates IFC room/space/area item, not include boundaries.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="spatialElement">The spatial element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
/// <param name="setter">The PlacementSetter.</param>
/// <returns>True if created successfully, false otherwise.</returns>
static bool CreateIFCSpace(ExporterIFC exporterIFC, SpatialElement spatialElement, ProductWrapper productWrapper,
PlacementSetter setter, out SpatialElementGeometryResults results)
{
results = null;
IList<CurveLoop> curveLoops = null;
try
{
// Avoid throwing for a spatial element with no location.
if (spatialElement.Location == null)
return false;
SpatialElementBoundaryOptions options = GetSpatialElementBoundaryOptions(spatialElement);
curveLoops = ExporterIFCUtils.GetRoomBoundaryAsCurveLoopArray(spatialElement, options, true);
}
catch (Autodesk.Revit.Exceptions.InvalidOperationException)
{
//Some spatial elements are not placed that have no boundary loops. Don't export them.
return false;
}
Autodesk.Revit.DB.Document document = spatialElement.Document;
ElementId levelId = spatialElement.LevelId;
ElementId catId = spatialElement.Category != null ? spatialElement.Category.Id : ElementId.InvalidElementId;
double dArea = 0.0;
if (ParameterUtil.GetDoubleValueFromElement(spatialElement, BuiltInParameter.ROOM_AREA, out dArea) != null)
dArea = UnitUtil.ScaleArea(dArea);
IFCLevelInfo levelInfo = exporterIFC.GetLevelInfo(levelId);
string strSpaceNumber = null;
string strSpaceName = null;
string strSpaceDesc = null;
if (ParameterUtil.GetStringValueFromElement(spatialElement, BuiltInParameter.ROOM_NUMBER, out strSpaceNumber) == null)
strSpaceNumber = null;
if (ParameterUtil.GetStringValueFromElement(spatialElement, BuiltInParameter.ROOM_NAME, out strSpaceName) == null)
strSpaceName = null;
if (ParameterUtil.GetStringValueFromElement(spatialElement, BuiltInParameter.ALL_MODEL_INSTANCE_COMMENTS, out strSpaceDesc) == null)
strSpaceDesc = null;
string name = strSpaceNumber;
string longName = strSpaceName;
string desc = strSpaceDesc;
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle localPlacement = setter.LocalPlacement;
ElementType elemType = document.GetElement(spatialElement.GetTypeId()) as ElementType;
IFCInternalOrExternal internalOrExternal = CategoryUtil.IsElementExternal(spatialElement) ? IFCInternalOrExternal.External : IFCInternalOrExternal.Internal;
double scaledRoomHeight = GetScaledHeight(spatialElement, levelId, levelInfo);
if (scaledRoomHeight <= 0.0)
return false;
double bottomOffset;
ParameterUtil.GetDoubleValueFromElement(spatialElement, BuiltInParameter.ROOM_LOWER_OFFSET, out bottomOffset);
double elevation = (levelInfo != null) ? levelInfo.Elevation : 0.0;
XYZ zDir = new XYZ(0, 0, 1);
XYZ orig = new XYZ(0, 0, elevation + bottomOffset);
Plane plane = new Plane(zDir, orig); // room calculated as level offset.
GeometryElement geomElem = null;
bool isArea = (spatialElement is Area);
Area spatialElementAsArea = isArea ? (spatialElement as Area) : null;
if (spatialElement is Autodesk.Revit.DB.Architecture.Room)
{
Autodesk.Revit.DB.Architecture.Room room = spatialElement as Autodesk.Revit.DB.Architecture.Room;
geomElem = room.ClosedShell;
}
else if (spatialElement is Autodesk.Revit.DB.Mechanical.Space)
{
Autodesk.Revit.DB.Mechanical.Space space = spatialElement as Autodesk.Revit.DB.Mechanical.Space;
geomElem = space.ClosedShell;
}
else if (isArea)
{
Options geomOptions = GeometryUtil.GetIFCExportGeometryOptions();
geomElem = spatialElementAsArea.get_Geometry(geomOptions);
}
IFCAnyHandle spaceHnd = null;
string spatialElementName = null;
using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
{
extraParams.SetLocalPlacement(localPlacement);
extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;
using (IFCTransaction transaction2 = new IFCTransaction(file))
{
IFCAnyHandle repHnd = null;
if (!ExporterCacheManager.ExportOptionsCache.Use2DRoomBoundaryForRoomVolumeCreation && geomElem != null)
{
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
bodyExporterOptions.TessellationLevel = BodyExporter.GetTessellationLevel();
repHnd = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, spatialElement,
catId, geomElem, bodyExporterOptions, null, extraParams, false);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd))
extraParams.ClearOpenings();
}
else
{
IFCAnyHandle shapeRep = ExtrusionExporter.CreateExtrudedSolidFromCurveLoop(exporterIFC, null, curveLoops, plane, zDir, scaledRoomHeight);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
return false;
IFCAnyHandle styledItemHnd = BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, document,
shapeRep, ElementId.InvalidElementId);
HashSet<IFCAnyHandle> bodyItems = new HashSet<IFCAnyHandle>();
bodyItems.Add(shapeRep);
shapeRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, spatialElement, catId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null);
IList<IFCAnyHandle> shapeReps = new List<IFCAnyHandle>();
shapeReps.Add(shapeRep);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomElem, Transform.Identity);
if (boundingBoxRep != null)
shapeReps.Add(boundingBoxRep);
repHnd = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
}
extraParams.ScaledHeight = scaledRoomHeight;
extraParams.ScaledArea = dArea;
spatialElementName = NamingUtil.GetNameOverride(spatialElement, name);
string spatialElementDescription = NamingUtil.GetDescriptionOverride(spatialElement, desc);
string spatialElementObjectType = NamingUtil.GetObjectTypeOverride(spatialElement, null);
string spatialElementLongName = NamingUtil.GetLongNameOverride(spatialElement, longName);
double? spaceElevationWithFlooring = null;
double elevationWithFlooring = 0.0;
if (ParameterUtil.GetDoubleValueFromElement(spatialElement, null, "IfcElevationWithFlooring", out elevationWithFlooring) != null)
spaceElevationWithFlooring = UnitUtil.ScaleLength(elevationWithFlooring);
spaceHnd = IFCInstanceExporter.CreateSpace(file, GUIDUtil.CreateGUID(spatialElement),
ExporterCacheManager.OwnerHistoryHandle,
spatialElementName, spatialElementDescription, spatialElementObjectType,
extraParams.GetLocalPlacement(), repHnd, spatialElementLongName, Toolkit.IFCElementComposition.Element,
internalOrExternal, spaceElevationWithFlooring);
transaction2.Commit();
}
if (spaceHnd != null)
{
productWrapper.AddSpace(spatialElement, spaceHnd, levelInfo, extraParams, true);
if (isArea)
{
Element areaScheme = spatialElementAsArea.AreaScheme;
if (areaScheme != null)
{
ElementId areaSchemeId = areaScheme.Id;
HashSet<IFCAnyHandle> areas = null;
if (!ExporterCacheManager.AreaSchemeCache.TryGetValue(areaSchemeId, out areas))
{
areas = new HashSet<IFCAnyHandle>();
ExporterCacheManager.AreaSchemeCache[areaSchemeId] = areas;
}
areas.Add(spaceHnd);
}
}
}
}
// Save room handle for later use/relationships
ExporterCacheManager.SpaceInfoCache.SetSpaceHandle(spatialElement, spaceHnd);
// Find Ceiling as a Space boundary and keep the relationship in a cache for use later
bool ret = GetCeilingSpaceBoundary(spatialElement, out results);
if (!MathUtil.IsAlmostZero(dArea) && !(ExporterCacheManager.ExportOptionsCache.ExportAsCOBIE) &&
!ExporterCacheManager.ExportOptionsCache.ExportAs2x3CoordinationView2 && !ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities)
{
bool isDesignGrossArea = (string.Compare(spatialElementName, "GSA Design Gross Area") > 0);
PropertyUtil.CreatePreCOBIEGSAQuantities(exporterIFC, spaceHnd, "GSA Space Areas", (isDesignGrossArea ? "GSA Design Gross Area" : "GSA BIM Area"), dArea);
}
// Export Classifications for SpatialElement for GSA/COBIE.
if (ExporterCacheManager.ExportOptionsCache.ExportAsCOBIE)
{
ProjectInfo projectInfo = document.ProjectInformation;
if (projectInfo != null)
CreateCOBIESpaceClassifications(exporterIFC, file, spaceHnd, projectInfo, spatialElement);
}
return true;
}
/// <summary>
/// Exports a curve element to IFC curve annotation.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="curveElement">
/// The curve element to be exported.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void ExportCurveElement(ExporterIFC exporterIFC, CurveElement curveElement, GeometryElement geometryElement,
ProductWrapper productWrapper)
{
if (geometryElement == null || !ShouldCurveElementBeExported(curveElement))
return;
SketchPlane sketchPlane = curveElement.SketchPlane;
if (sketchPlane == null)
return;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, curveElement))
{
IFCAnyHandle localPlacement = setter.LocalPlacement;
IFCAnyHandle axisPlacement = GeometryUtil.GetRelativePlacementFromLocalPlacement(localPlacement);
Plane planeSK = sketchPlane.GetPlane();
XYZ projDir = planeSK.Normal;
XYZ origin = planeSK.Origin;
bool useOffsetTrf = false;
if (projDir.IsAlmostEqualTo(XYZ.BasisZ))
{
XYZ offset = XYZ.BasisZ * setter.Offset;
origin -= offset;
}
else
useOffsetTrf = true;
Plane plane = new Plane(planeSK.XVec, planeSK.YVec, origin);
IFCGeometryInfo info = IFCGeometryInfo.CreateCurveGeometryInfo(exporterIFC, plane, projDir, false);
if (useOffsetTrf)
{
XYZ offsetOrig = -XYZ.BasisZ * setter.Offset;
Transform trf = Transform.CreateTranslation(offsetOrig);
ExporterIFCUtils.CollectGeometryInfo(exporterIFC, info, geometryElement, XYZ.Zero, false, trf);
}
else
{
ExporterIFCUtils.CollectGeometryInfo(exporterIFC, info, geometryElement, XYZ.Zero, false);
}
IList<IFCAnyHandle> curves = info.GetCurves();
if (curves.Count != 1)
{
throw new Exception("IFC: expected 1 curve when export curve element.");
}
HashSet<IFCAnyHandle> curveSet = new HashSet<IFCAnyHandle>(curves);
IFCAnyHandle repItemHnd = IFCInstanceExporter.CreateGeometricCurveSet(file, curveSet);
IFCAnyHandle curveStyle = file.CreateStyle(exporterIFC, repItemHnd);
CurveAnnotationCache annotationCache = ExporterCacheManager.CurveAnnotationCache;
IFCAnyHandle curveAnno = annotationCache.GetAnnotation(sketchPlane.Id, curveStyle);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(curveAnno))
{
AddCurvesToAnnotation(curveAnno, curves);
}
else
{
curveAnno = CreateCurveAnnotation(exporterIFC, curveElement, curveElement.Category.Id, sketchPlane.Id, plane, curveStyle, setter, localPlacement, repItemHnd);
productWrapper.AddAnnotation(curveAnno, setter.LevelInfo, true);
annotationCache.AddAnnotation(sketchPlane.Id, curveStyle, curveAnno);
}
}
transaction.Commit();
}
}
/// <summary>
/// Exports spatial elements, including rooms, areas and spaces. 1st level space boundaries.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="spatialElement">
/// The spatial element.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void ExportSpatialElement(ExporterIFC exporterIFC, SpatialElement spatialElement, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, spatialElement, null, null))
{
SpatialElementGeometryResults spatialElemGeomResult = null;
if (!CreateIFCSpace(exporterIFC, spatialElement, productWrapper, setter, out spatialElemGeomResult))
return;
bool isArea = (spatialElement is Area);
// Do not create boundary information for areas.
if (!isArea && (ExporterCacheManager.ExportOptionsCache.SpaceBoundaryLevel == 1))
{
Document document = spatialElement.Document;
ElementId levelId = spatialElement.LevelId;
IFCLevelInfo levelInfo = exporterIFC.GetLevelInfo(levelId);
double baseHeightNonScaled = (levelInfo != null) ? levelInfo.Elevation : 0.0;
try
{
// This can throw an exception. If it does, continue to export element without boundary information.
// We will re-use the previously generated value, if we have it.
// TODO: warn user.
if (spatialElemGeomResult == null)
spatialElemGeomResult = s_SpatialElementGeometryCalculator.CalculateSpatialElementGeometry(spatialElement);
Solid spatialElemGeomSolid = spatialElemGeomResult.GetGeometry();
FaceArray faces = spatialElemGeomSolid.Faces;
foreach (Face face in faces)
{
IList<SpatialElementBoundarySubface> spatialElemBoundarySubfaces = spatialElemGeomResult.GetBoundaryFaceInfo(face);
foreach (SpatialElementBoundarySubface spatialElemBSubface in spatialElemBoundarySubfaces)
{
if (spatialElemBSubface.SubfaceType == SubfaceType.Side)
continue;
if (spatialElemBSubface.GetSubface() == null)
continue;
ElementId elemId = spatialElemBSubface.SpatialBoundaryElement.LinkInstanceId;
if (elemId == ElementId.InvalidElementId)
{
elemId = spatialElemBSubface.SpatialBoundaryElement.HostElementId;
}
Element boundingElement = document.GetElement(elemId);
if (boundingElement == null)
continue;
bool isObjectExt = CategoryUtil.IsElementExternal(boundingElement);
IFCGeometryInfo info = IFCGeometryInfo.CreateSurfaceGeometryInfo(spatialElement.Document.Application.VertexTolerance);
Face subFace = spatialElemBSubface.GetSubface();
ExporterIFCUtils.CollectGeometryInfo(exporterIFC, info, subFace, XYZ.Zero, false);
foreach (IFCAnyHandle surfaceHnd in info.GetSurfaces())
{
IFCAnyHandle connectionGeometry = IFCInstanceExporter.CreateConnectionSurfaceGeometry(file, surfaceHnd, null);
SpaceBoundary spaceBoundary = new SpaceBoundary(spatialElement.Id, boundingElement.Id, setter.LevelId, connectionGeometry, IFCPhysicalOrVirtual.Physical,
isObjectExt ? IFCInternalOrExternal.External : IFCInternalOrExternal.Internal);
if (!ProcessIFCSpaceBoundary(exporterIFC, spaceBoundary, file))
ExporterCacheManager.SpaceBoundaryCache.Add(spaceBoundary);
}
}
}
}
catch
{
}
IList<IList<BoundarySegment>> roomBoundaries = spatialElement.GetBoundarySegments(GetSpatialElementBoundaryOptions(spatialElement));
double scaledRoomHeight = GetScaledHeight(spatialElement, levelId, levelInfo);
double unscaledHeight = UnitUtil.UnscaleLength(scaledRoomHeight);
Plane xyPlane = new Plane(XYZ.BasisZ, XYZ.Zero);
foreach (IList<BoundarySegment> roomBoundaryList in roomBoundaries)
{
foreach (BoundarySegment roomBoundary in roomBoundaryList)
{
Element boundingElement = roomBoundary.Element;
if (boundingElement == null)
continue;
ElementId buildingElemId = boundingElement.Id;
Curve trimmedCurve = roomBoundary.Curve;
if (trimmedCurve == null)
continue;
//trimmedCurve.Visibility = Visibility.Visible; readonly
IFCAnyHandle connectionGeometry = ExtrusionExporter.CreateConnectionSurfaceGeometry(
exporterIFC, trimmedCurve, xyPlane, scaledRoomHeight, baseHeightNonScaled);
IFCPhysicalOrVirtual physOrVirt = IFCPhysicalOrVirtual.Physical;
if (boundingElement is CurveElement)
physOrVirt = IFCPhysicalOrVirtual.Virtual;
else if (boundingElement is Autodesk.Revit.DB.Architecture.Room)
physOrVirt = IFCPhysicalOrVirtual.NotDefined;
bool isObjectExt = CategoryUtil.IsElementExternal(boundingElement);
bool isObjectPhys = (physOrVirt == IFCPhysicalOrVirtual.Physical);
ElementId actualBuildingElemId = isObjectPhys ? buildingElemId : ElementId.InvalidElementId;
SpaceBoundary spaceBoundary = new SpaceBoundary(spatialElement.Id, actualBuildingElemId, setter.LevelId, !IFCAnyHandleUtil.IsNullOrHasNoValue(connectionGeometry) ? connectionGeometry : null,
physOrVirt, isObjectExt ? IFCInternalOrExternal.External : IFCInternalOrExternal.Internal);
if (!ProcessIFCSpaceBoundary(exporterIFC, spaceBoundary, file))
ExporterCacheManager.SpaceBoundaryCache.Add(spaceBoundary);
// try to add doors and windows for host objects if appropriate.
if (isObjectPhys && boundingElement is HostObject)
{
HostObject hostObj = boundingElement as HostObject;
HashSet<ElementId> elemIds = new HashSet<ElementId>();
elemIds.UnionWith(hostObj.FindInserts(false, false, false, false));
if (elemIds.Count == 0)
{
CurtainGridSet curtainGridSet = CurtainSystemExporter.GetCurtainGridSet(hostObj);
if (curtainGridSet != null)
{
foreach (CurtainGrid curtainGrid in curtainGridSet)
elemIds.UnionWith(CurtainSystemExporter.GetVisiblePanelsForGrid(curtainGrid));
}
}
foreach (ElementId elemId in elemIds)
{
// we are going to do a simple bbox export, not complicated geometry.
Element instElem = document.GetElement(elemId);
if (instElem == null)
continue;
BoundingBoxXYZ instBBox = instElem.get_BoundingBox(null);
if (instBBox == null)
continue;
// make copy of original trimmed curve.
Curve instCurve = trimmedCurve.Clone();
XYZ instOrig = instCurve.GetEndPoint(0);
// make sure that the insert is on this level.
if (instBBox.Max.Z < instOrig.Z)
continue;
if (instBBox.Min.Z > instOrig.Z + unscaledHeight)
continue;
double insHeight = Math.Min(instBBox.Max.Z, instOrig.Z + unscaledHeight) - Math.Max(instOrig.Z, instBBox.Min.Z);
if (insHeight < (1.0 / (12.0 * 16.0)))
continue;
// move base curve to bottom of bbox.
XYZ moveDir = new XYZ(0.0, 0.0, instBBox.Min.Z - instOrig.Z);
Transform moveTrf = Transform.CreateTranslation(moveDir);
instCurve = instCurve.CreateTransformed(moveTrf);
bool isHorizOrVert = false;
if (instCurve is Line)
{
Line instLine = instCurve as Line;
XYZ lineDir = instLine.Direction;
if (MathUtil.IsAlmostEqual(Math.Abs(lineDir.X), 1.0) || (MathUtil.IsAlmostEqual(Math.Abs(lineDir.Y), 1.0)))
isHorizOrVert = true;
}
double[] parameters = new double[2];
double[] origEndParams = new double[2];
bool paramsSet = false;
if (!isHorizOrVert)
{
FamilyInstance famInst = instElem as FamilyInstance;
if (famInst == null)
continue;
ElementType elementType = document.GetElement(famInst.GetTypeId()) as ElementType;
if (elementType == null)
continue;
BoundingBoxXYZ symBBox = elementType.get_BoundingBox(null);
if (symBBox != null)
{
Curve symCurve = trimmedCurve.Clone();
Transform trf = famInst.GetTransform();
Transform invTrf = trf.Inverse;
Curve trfCurve = symCurve.CreateTransformed(invTrf);
parameters[0] = trfCurve.Project(symBBox.Min).Parameter;
parameters[1] = trfCurve.Project(symBBox.Max).Parameter;
paramsSet = true;
}
}
if (!paramsSet)
{
parameters[0] = instCurve.Project(instBBox.Min).Parameter;
parameters[1] = instCurve.Project(instBBox.Max).Parameter;
}
// ignore if less than 1/16".
if (Math.Abs(parameters[1] - parameters[0]) < 1.0 / (12.0 * 16.0))
continue;
if (parameters[0] > parameters[1])
{
//swap
double tempParam = parameters[0];
parameters[0] = parameters[1];
parameters[1] = tempParam;
}
origEndParams[0] = instCurve.GetEndParameter(0);
origEndParams[1] = instCurve.GetEndParameter(1);
if (origEndParams[0] > parameters[1] - (1.0 / (12.0 * 16.0)))
continue;
if (origEndParams[1] < parameters[0] + (1.0 / (12.0 * 16.0)))
continue;
instCurve.MakeBound(parameters[0] > origEndParams[0] ? parameters[0] : origEndParams[0],
parameters[1] < origEndParams[1] ? parameters[1] : origEndParams[1]);
double insHeightScaled = UnitUtil.ScaleLength(insHeight);
IFCAnyHandle insConnectionGeom = ExtrusionExporter.CreateConnectionSurfaceGeometry(exporterIFC, instCurve, xyPlane,
insHeightScaled, baseHeightNonScaled);
SpaceBoundary instBoundary = new SpaceBoundary(spatialElement.Id, elemId, setter.LevelId, !IFCAnyHandleUtil.IsNullOrHasNoValue(insConnectionGeom) ? insConnectionGeom : null, physOrVirt,
isObjectExt ? IFCInternalOrExternal.External : IFCInternalOrExternal.Internal);
if (!ProcessIFCSpaceBoundary(exporterIFC, instBoundary, file))
ExporterCacheManager.SpaceBoundaryCache.Add(instBoundary);
}
}
}
}
}
CreateZoneInfos(exporterIFC, file, spatialElement, productWrapper);
CreateSpaceOccupantInfo(exporterIFC, file, spatialElement, productWrapper);
}
transaction.Commit();
}
}
/// <summary>
/// Exports a gutter element.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportGutter(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element))
{
using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
{
ecData.SetLocalPlacement(setter.LocalPlacement);
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions();
IFCAnyHandle bodyRep = BodyExporter.ExportBody(exporterIFC, element, categoryId, ElementId.InvalidElementId,
geometryElement, bodyExporterOptions, ecData).RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep))
{
if (ecData != null)
ecData.ClearOpenings();
return;
}
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string originalTag = NamingUtil.CreateIFCElementId(element);
// In Revit, we don't have a corresponding type, so we create one for every gutter.
IFCAnyHandle origin = ExporterUtil.CreateAxis2Placement3D(file);
IFCAnyHandle repMap3dHnd = IFCInstanceExporter.CreateRepresentationMap(file, origin, bodyRep);
List<IFCAnyHandle> repMapList = new List<IFCAnyHandle>();
repMapList.Add(repMap3dHnd);
string elementTypeName = NamingUtil.CreateIFCObjectName(exporterIFC, element);
string typeGuid = GUIDUtil.CreateSubElementGUID(element, (int) IFCHostedSweepSubElements.PipeSegmentType);
IFCAnyHandle style = IFCInstanceExporter.CreatePipeSegmentType(file, typeGuid, ownerHistory,
elementTypeName, null, null, null, repMapList, originalTag,
elementTypeName, IFCPipeSegmentType.Gutter);
List<IFCAnyHandle> representationMaps = GeometryUtil.GetRepresentationMaps(style);
IFCAnyHandle mappedItem = ExporterUtil.CreateDefaultMappedItem(file, representationMaps[0]);
ISet<IFCAnyHandle> representations = new HashSet<IFCAnyHandle>();
representations.Add(mappedItem);
IFCAnyHandle bodyMappedItemRep = RepresentationUtil.CreateBodyMappedItemRep(exporterIFC,
element, categoryId, exporterIFC.Get3DContextHandle("Body"), representations);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyMappedItemRep))
return;
List<IFCAnyHandle> shapeReps = new List<IFCAnyHandle>();
shapeReps.Add(bodyMappedItemRep);
IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, Transform.Identity);
if (boundingBoxRep != null)
shapeReps.Add(boundingBoxRep);
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);
IFCAnyHandle localPlacementToUse;
ElementId roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse);
if (roomId == ElementId.InvalidElementId)
localPlacementToUse = ecData.GetLocalPlacement();
string guid = GUIDUtil.CreateGUID(element);
string name = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
string description = NamingUtil.GetDescriptionOverride(element, null);
string objectType = NamingUtil.GetObjectTypeOverride(element, elementTypeName);
string tag = NamingUtil.GetTagOverride(element, originalTag);
IFCAnyHandle elemHnd = IFCInstanceExporter.CreateFlowSegment(file, guid,
ownerHistory, name, description, objectType, localPlacementToUse, prodRep, tag);
bool containedInSpace = (roomId != ElementId.InvalidElementId);
productWrapper.AddElement(element, elemHnd, setter.LevelInfo, ecData, !containedInSpace);
if (containedInSpace)
ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomId, elemHnd);
// Associate segment with type.
ExporterCacheManager.TypeRelationsCache.Add(style, elemHnd);
OpeningUtil.CreateOpeningsIfNecessary(elemHnd, element, ecData, null,
exporterIFC, localPlacementToUse, setter, productWrapper);
}
tr.Commit();
}
}
}
/// <summary>
/// Adds openings to an element.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="elementHandles">The parent handles.</param>
/// <param name="curveLoops">The parent CurveLoops.</param>
/// <param name="element">The element.</param>
/// <param name="plane">The plane.</param>
/// <param name="scaledWidth">The width.</param>
/// <param name="range">The range.</param>
/// <param name="setter">The placement setter.</param>
/// <param name="localPlacement">The local placement.</param>
/// <param name="localWrapper">The wrapper.</param>
public static void AddOpeningsToElement(ExporterIFC exporterIFC, IList <IFCAnyHandle> elementHandles, IList <CurveLoop> curveLoops, Element element, Plane plane, double scaledWidth,
IFCRange range, PlacementSetter setter, IFCAnyHandle localPlacement, ProductWrapper localWrapper)
{
IList <IFCOpeningData> openingDataList = ExporterIFCUtils.GetOpeningData(exporterIFC, element, plane, range);
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
foreach (IFCOpeningData openingData in openingDataList)
{
Element openingElem = element.Document.GetElement(openingData.OpeningElementId);
if (openingElem == null)
{
openingElem = element;
}
// Don't export the opening if WallSweep category has been turned off.
// This is currently restricted to WallSweeps because the element responsible for the opening could be a variety of things, including a line as part of the elevation profile of the wall.
// As such, we will restrict which element types we check for CanExportElement.
if ((openingElem is WallSweep) && (!ElementFilteringUtil.CanExportElement(exporterIFC, openingElem, true)))
{
continue;
}
IList <IFCExtrusionData> extrusionDataList = openingData.GetExtrusionData();
IFCAnyHandle parentHandle = null;
if (elementHandles.Count > 1 && extrusionDataList.Count > 0)
{
parentHandle = FindParentHandle(elementHandles, curveLoops, extrusionDataList[0].GetLoops()[0]);
}
if (parentHandle == null)
{
parentHandle = elementHandles[0];
}
bool isDoorOrWindowOpening = IsDoorOrWindowOpening(exporterIFC, openingElem, element);
if (isDoorOrWindowOpening)
{
DoorWindowDelayedOpeningCreator delayedCreator =
DoorWindowDelayedOpeningCreator.Create(exporterIFC, openingData, scaledWidth, element.Id, parentHandle, setter.LevelId);
if (delayedCreator != null)
{
ExporterCacheManager.DoorWindowDelayedOpeningCreatorCache.Add(delayedCreator);
continue;
}
}
bool canUseElementGUID = !isDoorOrWindowOpening;
IList <Solid> solids = openingData.GetOpeningSolids();
foreach (Solid solid in solids)
{
using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData())
{
extrusionCreationData.SetLocalPlacement(ExporterUtil.CreateLocalPlacement(file, localPlacement, null));
extrusionCreationData.ReuseLocalPlacement = true;
string openingGUID = null;
if (canUseElementGUID)
{
openingGUID = GUIDUtil.CreateGUID(openingElem);
canUseElementGUID = false;
}
else
{
openingGUID = GUIDUtil.CreateGUID();
}
CreateOpening(exporterIFC, parentHandle, element, openingElem, openingGUID, solid, scaledWidth, openingData.IsRecess, extrusionCreationData,
setter, localWrapper);
}
}
foreach (IFCExtrusionData extrusionData in extrusionDataList)
{
if (extrusionData.ScaledExtrusionLength < MathUtil.Eps())
{
extrusionData.ScaledExtrusionLength = scaledWidth;
}
string openingGUID = null;
if (canUseElementGUID)
{
openingGUID = GUIDUtil.CreateGUID(element);
canUseElementGUID = false;
}
else
{
openingGUID = GUIDUtil.CreateGUID();
}
CreateOpening(exporterIFC, parentHandle, localPlacement, element, openingElem, openingGUID, extrusionData, plane, openingData.IsRecess,
setter, localWrapper);
}
}
}