/// <summary> /// Exports a roof to IfcRoof. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="ifcEnumType">The roof type.</param> /// <param name="roof">The roof element.</param> /// <param name="geometryElement">The geometry element.</param> /// <param name="productWrapper">The IFCProductWrapper.</param> public static void ExportRoof(ExporterIFC exporterIFC, string ifcEnumType, Element roof, GeometryElement geometryElement, IFCProductWrapper productWrapper) { if (roof == null || geometryElement == null) { return; } IFCFile file = exporterIFC.GetFile(); using (IFCTransaction tr = new IFCTransaction(file)) { using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, roof)) { using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData()) { ecData.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ; ecData.AreInnerRegionsOpenings = true; ecData.SetLocalPlacement(placementSetter.GetPlacement()); ElementId categoryId = CategoryUtil.GetSafeCategoryId(roof); BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true); IFCAnyHandle representation = RepresentationUtil.CreateBRepProductDefinitionShape(roof.Document.Application, exporterIFC, roof, categoryId, geometryElement, bodyExporterOptions, null, ecData); if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation)) { ecData.ClearOpenings(); return; } bool exportSlab = ecData.ScaledLength > MathUtil.Eps(); string guid = ExporterIFCUtils.CreateGUID(roof); IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle(); string origRoofName = exporterIFC.GetName(); string roofName = NamingUtil.GetNameOverride(roof, origRoofName); string roofDescription = NamingUtil.GetDescriptionOverride(roof, null); string roofObjectType = NamingUtil.GetObjectTypeOverride(roof, NamingUtil.CreateIFCObjectName(exporterIFC, roof)); IFCAnyHandle localPlacement = ecData.GetLocalPlacement(); string elementTag = NamingUtil.CreateIFCElementId(roof); IFCRoofType roofType = GetIFCRoofType(ifcEnumType); IFCAnyHandle roofHnd = IFCInstanceExporter.CreateRoof(file, guid, ownerHistory, roofName, roofDescription, roofObjectType, localPlacement, exportSlab ? null : representation, elementTag, roofType); productWrapper.AddElement(roofHnd, placementSetter.GetLevelInfo(), ecData, LevelUtil.AssociateElementToLevel(roof)); if (exportSlab) { string slabGUID = ExporterIFCUtils.CreateSubElementGUID(roof, (int)IFCRoofSubElements.RoofSlabStart); string slabName = roofName + ":1"; IFCAnyHandle slabLocalPlacementHnd = ExporterUtil.CopyLocalPlacement(file, localPlacement); IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, slabGUID, ownerHistory, slabName, roofDescription, roofObjectType, slabLocalPlacementHnd, representation, elementTag, IFCSlabType.Roof); OpeningUtil.CreateOpeningsIfNecessary(slabHnd, roof, ecData, exporterIFC, slabLocalPlacementHnd, placementSetter, productWrapper); ExporterUtil.RelateObject(exporterIFC, roofHnd, slabHnd); productWrapper.AddElement(slabHnd, placementSetter.GetLevelInfo(), ecData, false); } } tr.Commit(); } } }
/// <summary> /// Exports a roof to IfcRoof. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="ifcEnumType">The roof type.</param> /// <param name="roof">The roof element.</param> /// <param name="geometryElement">The geometry element.</param> /// <param name="productWrapper">The ProductWrapper.</param> public static void ExportRoof(ExporterIFC exporterIFC, string ifcEnumType, Element roof, GeometryElement geometryElement, ProductWrapper productWrapper) { if (roof == null || geometryElement == null) { return; } IFCFile file = exporterIFC.GetFile(); using (IFCTransaction tr = new IFCTransaction(file)) { using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, roof)) { using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData()) { // If the roof is an in-place family, we will allow any arbitrary orientation. While this may result in some // in-place "cubes" exporting with the wrong direction, it is unlikely that an in-place family would be // used for this reason in the first place. ecData.PossibleExtrusionAxes = (roof is FamilyInstance) ? IFCExtrusionAxes.TryXYZ : IFCExtrusionAxes.TryZ; ecData.AreInnerRegionsOpenings = true; ecData.SetLocalPlacement(placementSetter.LocalPlacement); ElementId categoryId = CategoryUtil.GetSafeCategoryId(roof); BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow); BodyData bodyData; IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, roof, categoryId, geometryElement, bodyExporterOptions, null, ecData, out bodyData); if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation)) { ecData.ClearOpenings(); return; } bool exportSlab = ecData.ScaledLength > MathUtil.Eps(); string guid = GUIDUtil.CreateGUID(roof); IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle; string roofName = NamingUtil.GetNameOverride(roof, NamingUtil.GetIFCName(roof)); string roofDescription = NamingUtil.GetDescriptionOverride(roof, null); string roofObjectType = NamingUtil.GetObjectTypeOverride(roof, NamingUtil.CreateIFCObjectName(exporterIFC, roof)); IFCAnyHandle localPlacement = ecData.GetLocalPlacement(); string elementTag = NamingUtil.GetTagOverride(roof, NamingUtil.CreateIFCElementId(roof)); string roofType = GetIFCRoofType(ifcEnumType); roofType = IFCValidateEntry.GetValidIFCType(roof, ifcEnumType); IFCAnyHandle roofHnd = IFCInstanceExporter.CreateRoof(file, guid, ownerHistory, roofName, roofDescription, roofObjectType, localPlacement, exportSlab ? null : representation, elementTag, roofType); productWrapper.AddElement(roof, roofHnd, placementSetter.LevelInfo, ecData, true); // will export its host object materials later if it is a roof if (!(roof is RoofBase)) { CategoryUtil.CreateMaterialAssociation(exporterIFC, roofHnd, bodyData.MaterialIds); } if (exportSlab) { string slabGUID = GUIDUtil.CreateSubElementGUID(roof, (int)IFCRoofSubElements.RoofSlabStart); string slabName = roofName + ":1"; IFCAnyHandle slabLocalPlacementHnd = ExporterUtil.CopyLocalPlacement(file, localPlacement); IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, slabGUID, ownerHistory, slabName, roofDescription, roofObjectType, slabLocalPlacementHnd, representation, elementTag, "ROOF"); Transform offsetTransform = (bodyData != null) ? bodyData.OffsetTransform : Transform.Identity; OpeningUtil.CreateOpeningsIfNecessary(slabHnd, roof, ecData, offsetTransform, exporterIFC, slabLocalPlacementHnd, placementSetter, productWrapper); ExporterUtil.RelateObject(exporterIFC, roofHnd, slabHnd); productWrapper.AddElement(null, slabHnd, placementSetter.LevelInfo, ecData, false); CategoryUtil.CreateMaterialAssociation(exporterIFC, slabHnd, bodyData.MaterialIds); } } tr.Commit(); } } }
/// <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 = ExporterCacheManager.OwnerHistoryHandle; IFCAnyHandle localPlacement = null; PlacementSetter placementSetter = null; IFCLevelInfo levelInfo = null; bool relateToLevel = true; string ifcEnumType; IFCExportInfoPair exportAs = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType); if (exportAs.ExportInstance == IFCEntityType.IfcSystem) { string name = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element)); string description = NamingUtil.GetDescriptionOverride(element, null); string objectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName()); 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(), ExporterCacheManager.OwnerHistoryHandle, null, null, assemblyInstanceHnd, relatedBuildings); relateToLevel = false; // Already related to the building via IfcRelServicesBuildings. } else { using (placementSetter = PlacementSetter.Create(exporterIFC, element)) { IFCAnyHandle representation = null; // We have limited support for exporting assemblies as other container types. localPlacement = placementSetter.LocalPlacement; levelInfo = placementSetter.LevelInfo; switch (exportAs.ExportInstance) { case IFCEntityType.IfcCurtainWall: //case IFCExportType.IfcCurtainWallType: //string cwPredefinedType = IFCValidateEntry.GetValidIFCPredefinedType(element, ifcEnumType, "IfcCurtainWallType"); assemblyInstanceHnd = IFCInstanceExporter.CreateCurtainWall(exporterIFC, element, guid, ownerHistory, localPlacement, representation, ifcEnumType); break; case IFCEntityType.IfcRamp: string rampPredefinedType = RampExporter.GetIFCRampType(ifcEnumType); //rampPredefinedType = IFCValidateEntry.GetValidIFCPredefinedType(element, rampPredefinedType, "IfcRampType"); assemblyInstanceHnd = IFCInstanceExporter.CreateRamp(exporterIFC, element, guid, ownerHistory, localPlacement, representation, rampPredefinedType); break; case IFCEntityType.IfcRoof: //string roofPredefinedType = IFCValidateEntry.GetValidIFCPredefinedType(element, ifcEnumType, "IfcRoofType"); assemblyInstanceHnd = IFCInstanceExporter.CreateRoof(exporterIFC, element, guid, ownerHistory, localPlacement, representation, ifcEnumType); break; case IFCEntityType.IfcStair: string stairPredefinedType = StairsExporter.GetIFCStairType(ifcEnumType); //stairPredefinedType = IFCValidateEntry.GetValidIFCPredefinedType(element, stairPredefinedType, "IfcStairType"); assemblyInstanceHnd = IFCInstanceExporter.CreateStair(exporterIFC, element, guid, ownerHistory, localPlacement, representation, stairPredefinedType); break; case IFCEntityType.IfcWall: //string wallPredefinedType = IFCValidateEntry.GetValidIFCPredefinedType(element, ifcEnumType, "IfcWallType"); assemblyInstanceHnd = IFCInstanceExporter.CreateWall(exporterIFC, element, guid, ownerHistory, localPlacement, representation, ifcEnumType); break; default: string objectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName()); IFCElementAssemblyType assemblyPredefinedType = GetPredefinedTypeFromObjectType(objectType); assemblyInstanceHnd = IFCInstanceExporter.CreateElementAssembly(exporterIFC, element, guid, ownerHistory, localPlacement, representation, IFCAssemblyPlace.NotDefined, assemblyPredefinedType); break; } } } if (assemblyInstanceHnd == null) { return(false); } // relateToLevel depends on how the AssemblyInstance is being mapped to IFC, above. productWrapper.AddElement(element, assemblyInstanceHnd, levelInfo, null, relateToLevel); ExporterCacheManager.AssemblyInstanceCache.RegisterAssemblyInstance(element.Id, assemblyInstanceHnd); tr.Commit(); return(true); } }
/// <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); } // Check the intended IFC entity or type name is in the exclude list specified in the UI Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcGroup; if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum)) { return(false); } IFCFile file = exporterIFC.GetFile(); using (IFCTransaction tr = new IFCTransaction(file)) { IFCAnyHandle groupHnd = null; string guid = GUIDUtil.CreateGUID(element); IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle; string name = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element)); string description = NamingUtil.GetDescriptionOverride(element, null); string objectType = NamingUtil.GetObjectTypeOverride(element, NamingUtil.GetFamilyAndTypeName(element)); string longName = NamingUtil.GetLongNameOverride(element, null); string ifcEnumType; IFCExportInfoPair exportAs = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType); if (exportAs.ExportInstance == IFCEntityType.IfcGroup) { groupHnd = IFCInstanceExporter.CreateGroup(file, guid, ownerHistory, name, description, objectType); } else if (!ExporterCacheManager.ExportOptionsCache.ExportAsOlderThanIFC4) { if (exportAs.ExportInstance == IFCEntityType.IfcBuildingSystem) { groupHnd = IFCInstanceExporter.CreateBuildingSystem(file, exportAs, guid, ownerHistory, name, description, objectType, longName); } else if (exportAs.ExportInstance == IFCEntityType.IfcFurniture) { groupHnd = IFCInstanceExporter.CreateGenericIFCEntity(exportAs, exporterIFC, element, guid, ownerHistory, null, null); } } if (groupHnd == null) { return(false); } productWrapper.AddElement(element, groupHnd, exportAs); GroupInfo groupInfo = ExporterCacheManager.GroupCache.RegisterGroup(element.Id, groupHnd); // Check or set the cached Group's export type if (groupInfo.GroupType.ExportInstance == IFCEntityType.UnKnown) { ExporterCacheManager.GroupCache.RegisterGroupType(element.Id, exportAs); } else if (groupInfo.GroupType.ExportInstance != exportAs.ExportInstance) { throw new InvalidOperationException("Inconsistent Group export entity type"); } tr.Commit(); return(true); } }
/// <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); } // Check the intended IFC entity or type name is in the exclude list specified in the UI Common.Enums.IFCEntityType elementClassTypeEnum; if (Enum.TryParse <Common.Enums.IFCEntityType>("IfcBuildingElementProxy", out elementClassTypeEnum)) { if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum)) { 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, ExportOptionsCache.ExportTessellationLevel.ExtraLow); 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> /// Exports a Rebar to IFC ReinforcingBar. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="rebarItem">The rebar to be exported. This might be an element or a sub-element.</param> /// <param name="rebarElement">The element that contains the rebar to be exported. This may be the same as rebarItem.</param> /// <param name="itemIndex">If greater than 0, the index of the first rebar in the rebarItem in the rebarElement, used for naming and GUID creation.</param> /// <param name="productWrapper">The ProductWrapper object.</param> /// <returns>The set of handles created, to add to the ProductWrapper in the calling function.</returns> private static ISet <DelayedProductWrapper> ExportRebar(ExporterIFC exporterIFC, object rebarItem, Element rebarElement, int itemIndex, ProductWrapper productWrapper) { IFCFile file = exporterIFC.GetFile(); HashSet <DelayedProductWrapper> createdRebars = new HashSet <DelayedProductWrapper>(); int rebarQuantity = GetRebarQuantity(rebarItem); if (rebarQuantity == 0) { return(null); } using (IFCTransaction transaction = new IFCTransaction(file)) { using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, rebarElement)) { bool cannotExportRebar = false; IFCAnyHandle rebarHandle = ExportRebarAsProxyElementInView(exporterIFC, rebarElement, productWrapper, out cannotExportRebar); if (!IFCAnyHandleUtil.IsNullOrHasNoValue(rebarHandle) || cannotExportRebar) { if (!cannotExportRebar) { transaction.Commit(); } return(null); // Rebar doesn't create a group. } IFCAnyHandle prodRep = null; double totalBarLengthUnscale = GetRebarTotalLength(rebarItem); double volumeUnscale = GetRebarVolume(rebarItem); double totalBarLength = UnitUtil.ScaleLength(totalBarLengthUnscale); if (MathUtil.IsAlmostZero(totalBarLength)) { return(null); } ElementId materialId = ElementId.InvalidElementId; ParameterUtil.GetElementIdValueFromElementOrSymbol(rebarElement, BuiltInParameter.MATERIAL_ID_PARAM, out materialId); double diameter = GetBarDiameter(rebarItem); double radius = diameter / 2.0; double longitudinalBarNominalDiameter = diameter; double longitudinalBarCrossSectionArea = UnitUtil.ScaleArea(volumeUnscale / totalBarLengthUnscale); int numberOfBarPositions = GetNumberOfBarPositions(rebarItem); string steelGrade = NamingUtil.GetOverrideStringValue(rebarElement, "SteelGrade", null); // Allow use of IFC2x3 or IFC4 naming. string predefinedType = NamingUtil.GetOverrideStringValue(rebarElement, "BarRole", null); if (string.IsNullOrWhiteSpace(predefinedType)) { predefinedType = NamingUtil.GetOverrideStringValue(rebarElement, "PredefinedType", null); } IFCReinforcingBarRole role = GetReinforcingBarRole(predefinedType); string origRebarName = NamingUtil.GetNameOverride(rebarElement, NamingUtil.GetIFCName(rebarElement)); string rebarDescription = NamingUtil.GetDescriptionOverride(rebarElement, null); string rebarObjectType = NamingUtil.GetObjectTypeOverride(rebarElement, NamingUtil.CreateIFCObjectName(exporterIFC, rebarElement)); string rebarTag = NamingUtil.GetTagOverride(rebarElement, NamingUtil.CreateIFCElementId(rebarElement)); const int maxBarGUIDS = IFCReinforcingBarSubElements.BarEnd - IFCReinforcingBarSubElements.BarStart + 1; ElementId categoryId = CategoryUtil.GetSafeCategoryId(rebarElement); IFCAnyHandle originalPlacement = setter.LocalPlacement; // Potential issue : totalBarLength has a rounded value but individual lengths (from centerlines) do not have rounded values. // Also dividing a rounded totalBarLength does not result in barLength rounded by the same round value. double barLength = totalBarLength / rebarQuantity; IList <Curve> baseCurves = GetRebarCenterlineCurves(rebarItem, true, false, false); ElementId barLengthParamId = new ElementId(BuiltInParameter.REBAR_ELEM_LENGTH); ParameterSet rebarElementParams = rebarElement.Parameters; for (int ii = 0; ii < numberOfBarPositions; ii++) { if (!DoesBarExistAtPosition(rebarItem, ii)) { continue; } Rebar rebar = rebarElement as Rebar; if ((rebar != null) && (rebar.DistributionType == DistributionType.VaryingLength)) { baseCurves = GetRebarCenterlineCurves(rebar, true, false, false, MultiplanarOption.IncludeOnlyPlanarCurves, ii); DoubleParameterValue barLengthParamVal = rebar.GetParameterValueAtIndex(barLengthParamId, ii) as DoubleParameterValue; if (barLengthParamVal != null) { barLength = barLengthParamVal.Value; } } int indexForNamingAndGUID = (itemIndex > 0) ? ii + itemIndex : ii + 1; string rebarName = NamingUtil.GetNameOverride(rebarElement, origRebarName + ": " + indexForNamingAndGUID); Transform barTrf = GetBarPositionTransform(rebarItem, ii); IList <Curve> curves = new List <Curve>(); double endParam = 0.0; foreach (Curve baseCurve in baseCurves) { if (baseCurve is Arc || baseCurve is Ellipse) { if (baseCurve.IsBound) { endParam += UnitUtil.ScaleAngle(baseCurve.GetEndParameter(1) - baseCurve.GetEndParameter(0)); } else { endParam += UnitUtil.ScaleAngle(2 * Math.PI); } } else { endParam += 1.0; } curves.Add(baseCurve.CreateTransformed(barTrf)); } IFCAnyHandle compositeCurve = GeometryUtil.CreateCompositeCurve(exporterIFC, curves); IFCAnyHandle sweptDiskSolid = IFCInstanceExporter.CreateSweptDiskSolid(file, compositeCurve, radius, null, 0, endParam); HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>(); bodyItems.Add(sweptDiskSolid); IFCAnyHandle shapeRep = RepresentationUtil.CreateAdvancedSweptSolidRep(exporterIFC, rebarElement, categoryId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null); IList <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>(); shapeReps.Add(shapeRep); prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps); IFCAnyHandle copyLevelPlacement = (ii == 0) ? originalPlacement : ExporterUtil.CopyLocalPlacement(file, originalPlacement); string rebarGUID = (indexForNamingAndGUID < maxBarGUIDS) ? GUIDUtil.CreateSubElementGUID(rebarElement, indexForNamingAndGUID + (int)IFCReinforcingBarSubElements.BarStart - 1) : GUIDUtil.CreateGUID(); IFCAnyHandle elemHnd = IFCInstanceExporter.CreateReinforcingBar(file, rebarGUID, ExporterCacheManager.OwnerHistoryHandle, rebarName, rebarDescription, rebarObjectType, copyLevelPlacement, prodRep, rebarTag, steelGrade, longitudinalBarNominalDiameter, longitudinalBarCrossSectionArea, barLength, role, null); // We will not add the element ot the productWrapper here, but instead in the function that calls // ExportRebar. The reason for this is that we don't currently know if the handles such be associated // to the level or not, depending on whether they will or won't be grouped. createdRebars.Add(new DelayedProductWrapper(rebarElement, elemHnd, setter.LevelInfo)); CacheSubelementParameterValues(rebarElement, rebarElementParams, ii, elemHnd); ExporterCacheManager.HandleToElementCache.Register(elemHnd, rebarElement.Id); CategoryUtil.CreateMaterialAssociation(exporterIFC, elemHnd, materialId); } } transaction.Commit(); } return(createdRebars); }
/// <summary> /// Exports a ramp to IfcRamp, without decomposing into separate runs and landings. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="ifcEnumType">The ramp type.</param> /// <param name="ramp">The ramp element.</param> /// <param name="geometryElement">The geometry element.</param> /// <param name="numFlights">The number of flights for a multistory ramp.</param> /// <param name="productWrapper">The ProductWrapper.</param> public static void ExportRamp(ExporterIFC exporterIFC, string ifcEnumType, Element ramp, GeometryElement geometryElement, int numFlights, ProductWrapper productWrapper) { if (ramp == null || geometryElement == null) { return; } IFCFile file = exporterIFC.GetFile(); using (IFCTransaction tr = new IFCTransaction(file)) { using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, ramp)) { using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData()) { ecData.SetLocalPlacement(placementSetter.LocalPlacement); ecData.ReuseLocalPlacement = false; GeometryElement rampGeom = GeometryUtil.GetOneLevelGeometryElement(geometryElement, numFlights); BodyData bodyData; ElementId categoryId = CategoryUtil.GetSafeCategoryId(ramp); BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow); IFCAnyHandle representation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, ramp, categoryId, rampGeom, bodyExporterOptions, null, ecData, out bodyData); if (IFCAnyHandleUtil.IsNullOrHasNoValue(representation)) { ecData.ClearOpenings(); return; } string containedRampGuid = GUIDUtil.CreateSubElementGUID(ramp, (int)IFCRampSubElements.ContainedRamp); IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle; string rampName = NamingUtil.GetNameOverride(ramp, NamingUtil.GetIFCName(ramp)); string rampDescription = NamingUtil.GetDescriptionOverride(ramp, null); string rampObjectType = NamingUtil.GetObjectTypeOverride(ramp, NamingUtil.CreateIFCObjectName(exporterIFC, ramp)); IFCAnyHandle containedRampLocalPlacement = ExporterUtil.CreateLocalPlacement(file, ecData.GetLocalPlacement(), null); string elementTag = NamingUtil.GetTagOverride(ramp, NamingUtil.CreateIFCElementId(ramp)); string rampType = GetIFCRampType(ifcEnumType); List <IFCAnyHandle> components = new List <IFCAnyHandle>(); IList <IFCExtrusionCreationData> componentExtrusionData = new List <IFCExtrusionCreationData>(); IFCAnyHandle containedRampHnd = IFCInstanceExporter.CreateRamp(file, containedRampGuid, ownerHistory, rampName, rampDescription, rampObjectType, containedRampLocalPlacement, representation, elementTag, rampType); components.Add(containedRampHnd); componentExtrusionData.Add(ecData); //productWrapper.AddElement(containedRampHnd, placementSetter.LevelInfo, ecData, false); CategoryUtil.CreateMaterialAssociation(exporterIFC, containedRampHnd, bodyData.MaterialIds); string guid = GUIDUtil.CreateGUID(ramp); IFCAnyHandle localPlacement = ecData.GetLocalPlacement(); IFCAnyHandle rampHnd = IFCInstanceExporter.CreateRamp(file, guid, ownerHistory, rampName, rampDescription, rampObjectType, localPlacement, null, elementTag, rampType); productWrapper.AddElement(ramp, rampHnd, placementSetter.LevelInfo, ecData, true); StairRampContainerInfo stairRampInfo = new StairRampContainerInfo(rampHnd, components, localPlacement); ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(ramp.Id, stairRampInfo); ExportMultistoryRamp(exporterIFC, ramp, numFlights, rampHnd, components, componentExtrusionData, placementSetter, productWrapper); } tr.Commit(); } } }
private static void ExportAsMappedItem(ExporterIFC exporterIFC, Element element, IFCFile file, IFCExportType exportType, string ifcEnumType, IFCExtrusionCreationData extraParams, PlacementSetter setter, IFCAnyHandle localPlacementToUse, IFCAnyHandle productRepresentation, ProductWrapper productWrapper) { IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle; ElementId typeId = element.GetTypeId(); ElementType type = element.Document.GetElement(typeId) as ElementType; IFCAnyHandle styleHandle = null; if (type != null) { FamilyTypeInfo currentTypeInfo = ExporterCacheManager.TypeObjectsCache.Find(typeId, false, exportType); bool found = currentTypeInfo.IsValid(); if (!found) { string typeGUID = GUIDUtil.CreateGUID(type); string typeName = NamingUtil.GetIFCName(type); string typeObjectType = NamingUtil.CreateIFCObjectName(exporterIFC, type); string applicableOccurance = NamingUtil.GetObjectTypeOverride(type, typeObjectType); string typeDescription = NamingUtil.GetDescriptionOverride(type, null); string typeElemId = NamingUtil.CreateIFCElementId(type); HashSet <IFCAnyHandle> propertySetsOpt = new HashSet <IFCAnyHandle>(); IList <IFCAnyHandle> repMapListOpt = new List <IFCAnyHandle>(); styleHandle = FamilyExporterUtil.ExportGenericType(exporterIFC, exportType, ifcEnumType, typeGUID, typeName, typeDescription, applicableOccurance, propertySetsOpt, repMapListOpt, typeElemId, typeName, element, type); if (!IFCAnyHandleUtil.IsNullOrHasNoValue(styleHandle)) { currentTypeInfo.Style = styleHandle; ExporterCacheManager.TypeObjectsCache.Register(typeId, false, exportType, currentTypeInfo); } } else { styleHandle = currentTypeInfo.Style; } } string instanceGUID = GUIDUtil.CreateGUID(element); string instanceName = NamingUtil.GetIFCName(element); string objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element); string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, objectType); string instanceDescription = NamingUtil.GetDescriptionOverride(element, null); string instanceElemId = NamingUtil.CreateIFCElementId(element); string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element)); bool roomRelated = !FamilyExporterUtil.IsDistributionFlowElementSubType(exportType); ElementId roomId = ElementId.InvalidElementId; if (roomRelated) { roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse); } IFCAnyHandle instanceHandle = null; // For MEP objects string exportEntityStr = exportType.ToString(); Common.Enums.IFCEntityType exportEntity; if (String.Compare(exportEntityStr.Substring(exportEntityStr.Length - 4), "Type", true) == 0) { exportEntityStr = exportEntityStr.Substring(0, (exportEntityStr.Length - 4)); } if (Enum.TryParse(exportEntityStr, out exportEntity)) { // For MEP object creation instanceHandle = IFCInstanceExporter.CreateGenericIFCEntity(exportEntity, file, instanceGUID, ownerHistory, instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag); } if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle)) { return; } if (roomId != ElementId.InvalidElementId) { //exporterIFC.RelateSpatialElement(roomId, instanceHandle); ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomId, instanceHandle); productWrapper.AddElement(element, instanceHandle, setter, extraParams, false); } else { productWrapper.AddElement(element, instanceHandle, setter, extraParams, true); } OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, element, extraParams, null, exporterIFC, localPlacementToUse, setter, productWrapper); if (!IFCAnyHandleUtil.IsNullOrHasNoValue(styleHandle)) { ExporterCacheManager.TypeRelationsCache.Add(styleHandle, instanceHandle); } PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper.GetAllObjects()); ExporterCacheManager.MEPCache.Register(element, instanceHandle); // add to system export cache // SystemExporter.ExportSystem(exporterIFC, element, instanceHandle); }
/// <summary> /// Export Curtain Walls and Roofs. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="allSubElements">Collection of elements contained in the host curtain element.</param> /// <param name="element">The element to be exported.</param> /// <param name="productWrapper">The ProductWrapper.</param> private static void ExportBase(ExporterIFC exporterIFC, ICollection <ElementId> allSubElements, Element element, ProductWrapper wrapper) { IFCFile file = exporterIFC.GetFile(); IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle(); PlacementSetter setter = null; using (ProductWrapper curtainWallSubWrapper = ProductWrapper.Create(wrapper, false)) { try { Transform orientationTrf = Transform.Identity; IFCAnyHandle localPlacement = null; setter = PlacementSetter.Create(exporterIFC, element, null, orientationTrf); localPlacement = setter.LocalPlacement; string objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element); IFCAnyHandle prodRepHnd = null; IFCAnyHandle elemHnd = null; string elemGUID = GUIDUtil.CreateGUID(element); string elemName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element)); string elemDesc = NamingUtil.GetDescriptionOverride(element, null); string elemType = NamingUtil.GetObjectTypeOverride(element, objectType); string elemTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element)); if (element is Wall || element is CurtainSystem || IsLegacyCurtainElement(element)) { elemHnd = IFCInstanceExporter.CreateCurtainWall(file, elemGUID, ownerHistory, elemName, elemDesc, elemType, localPlacement, prodRepHnd, elemTag); } else if (element is RoofBase) { //need to convert the string to enum string ifcEnumType = ExporterUtil.GetIFCTypeFromExportTable(exporterIFC, element); ifcEnumType = IFCValidateEntry.GetValidIFCType(element, ifcEnumType); elemHnd = IFCInstanceExporter.CreateRoof(file, elemGUID, ownerHistory, elemName, elemDesc, elemType, localPlacement, prodRepHnd, elemTag, ifcEnumType); } else { return; } if (IFCAnyHandleUtil.IsNullOrHasNoValue(elemHnd)) { return; } wrapper.AddElement(element, elemHnd, setter, null, true); bool canExportCurtainWallAsContainer = CanExportCurtainWallAsContainer(allSubElements, element.Document); IFCAnyHandle rep = null; if (!canExportCurtainWallAsContainer) { rep = ExportCurtainObjectCommonAsOneBRep(allSubElements, element, exporterIFC, setter, localPlacement); if (IFCAnyHandleUtil.IsNullOrHasNoValue(rep)) { return; } } else { ExportCurtainObjectCommonAsContainer(allSubElements, element, exporterIFC, curtainWallSubWrapper, setter); } ICollection <IFCAnyHandle> relatedElementIds = curtainWallSubWrapper.GetAllObjects(); if (relatedElementIds.Count > 0) { string guid = GUIDUtil.CreateSubElementGUID(element, (int)IFCCurtainWallSubElements.RelAggregates); HashSet <IFCAnyHandle> relatedElementIdSet = new HashSet <IFCAnyHandle>(relatedElementIds); IFCInstanceExporter.CreateRelAggregates(file, guid, ownerHistory, null, null, elemHnd, relatedElementIdSet); } ExportCurtainWallType(exporterIFC, wrapper, elemHnd, element); SpaceBoundingElementUtil.RegisterSpaceBoundingElementHandle(exporterIFC, elemHnd, element.Id, ElementId.InvalidElementId); } finally { if (setter != null) { setter.Dispose(); } } } }
/// <summary> /// Exports a Rebar to IFC ReinforcingBar. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="element">The element to be exported.</param> /// <param name="productWrapper">The ProductWrapper.</param> /// <returns>The list of IfcReinforcingBar handles created.</returns> public static ISet <IFCAnyHandle> ExportRebar(ExporterIFC exporterIFC, Element element, ProductWrapper productWrapper) { IFCFile file = exporterIFC.GetFile(); HashSet <IFCAnyHandle> createdRebars = new HashSet <IFCAnyHandle>(); using (IFCTransaction transaction = new IFCTransaction(file)) { using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element)) { if (element is Rebar) { GeometryElement rebarGeometry = ExporterIFCUtils.GetRebarGeometry(element as Rebar, ExporterCacheManager.ExportOptionsCache.FilterViewForExport); // only options are: Not Export, BuildingElementProxy, or ReinforcingBar/Mesh, depending on layout. // Not Export is handled previously, and ReinforcingBar vs Mesh will be determined below. string ifcEnumType; IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType); if (exportType == IFCExportType.IfcBuildingElementProxy || exportType == IFCExportType.IfcBuildingElementProxyType) { if (rebarGeometry != null) { ProxyElementExporter.ExportBuildingElementProxy(exporterIFC, element, rebarGeometry, productWrapper); transaction.Commit(); } return(null); } } IFCAnyHandle prodRep = null; double totalBarLengthUnscale = GetRebarTotalLength(element); double volumeUnscale = GetRebarVolume(element); double totalBarLength = UnitUtil.ScaleLength(totalBarLengthUnscale); if (MathUtil.IsAlmostZero(totalBarLength)) { return(null); } ElementId materialId = ElementId.InvalidElementId; ParameterUtil.GetElementIdValueFromElementOrSymbol(element, BuiltInParameter.MATERIAL_ID_PARAM, out materialId); Document doc = element.Document; ElementId typeId = element.GetTypeId(); RebarBarType elementType = doc.GetElement(element.GetTypeId()) as RebarBarType; double diameter = UnitUtil.ScaleLength(elementType == null ? 1.0 / 12.0 : elementType.BarDiameter); double radius = diameter / 2.0; double longitudinalBarNominalDiameter = diameter; double longitudinalBarCrossSectionArea = UnitUtil.ScaleArea(volumeUnscale / totalBarLengthUnscale); double barLength = totalBarLength / GetRebarQuantity(element); IList <Curve> baseCurves = GetRebarCenterlineCurves(element, true, false, false); int numberOfBarPositions = GetNumberOfBarPositions(element); string steelGrade = NamingUtil.GetOverrideStringValue(element, "SteelGrade", null); // Allow use of IFC2x3 or IFC4 naming. string predefinedType = NamingUtil.GetOverrideStringValue(element, "BarRole", null); if (string.IsNullOrWhiteSpace(predefinedType)) { predefinedType = NamingUtil.GetOverrideStringValue(element, "PredefinedType", null); } IFCReinforcingBarRole role = GetReinforcingBarRole(predefinedType); string origRebarName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element)); string rebarDescription = NamingUtil.GetDescriptionOverride(element, null); string rebarObjectType = NamingUtil.GetObjectTypeOverride(element, NamingUtil.CreateIFCObjectName(exporterIFC, element)); string rebarTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element)); const int maxBarGUIDS = IFCReinforcingBarSubElements.BarEnd - IFCReinforcingBarSubElements.BarStart + 1; ElementId categoryId = CategoryUtil.GetSafeCategoryId(element); IFCAnyHandle originalPlacement = setter.LocalPlacement; for (int i = 0; i < numberOfBarPositions; i++) { if (!DoesBarExistAtPosition(element, i)) { continue; } string rebarName = NamingUtil.GetNameOverride(element, origRebarName + ": " + i); Transform barTrf = GetBarPositionTransform(element, i); IList <Curve> curves = new List <Curve>(); double endParam = 0.0; foreach (Curve baseCurve in baseCurves) { if (baseCurve is Arc || baseCurve is Ellipse) { if (baseCurve.IsBound) { endParam += UnitUtil.ScaleAngle(baseCurve.GetEndParameter(1) - baseCurve.GetEndParameter(0)); } else { endParam += UnitUtil.ScaleAngle(2 * Math.PI); } } else { endParam += 1.0; } curves.Add(baseCurve.CreateTransformed(barTrf)); } IFCAnyHandle compositeCurve = GeometryUtil.CreateCompositeCurve(exporterIFC, curves); IFCAnyHandle sweptDiskSolid = IFCInstanceExporter.CreateSweptDiskSolid(file, compositeCurve, radius, null, 0, endParam); HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>(); bodyItems.Add(sweptDiskSolid); IFCAnyHandle shapeRep = RepresentationUtil.CreateAdvancedSweptSolidRep(exporterIFC, element, categoryId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null); IList <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>(); shapeReps.Add(shapeRep); prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps); IFCAnyHandle copyLevelPlacement = (i == 0) ? originalPlacement : ExporterUtil.CopyLocalPlacement(file, originalPlacement); string rebarGUID = (i < maxBarGUIDS) ? GUIDUtil.CreateSubElementGUID(element, i + (int)IFCReinforcingBarSubElements.BarStart) : GUIDUtil.CreateGUID(); IFCAnyHandle elemHnd = IFCInstanceExporter.CreateReinforcingBar(file, rebarGUID, exporterIFC.GetOwnerHistoryHandle(), rebarName, rebarDescription, rebarObjectType, copyLevelPlacement, prodRep, rebarTag, steelGrade, longitudinalBarNominalDiameter, longitudinalBarCrossSectionArea, barLength, role, null); createdRebars.Add(elemHnd); productWrapper.AddElement(element, elemHnd, setter.LevelInfo, null, true); ExporterCacheManager.HandleToElementCache.Register(elemHnd, element.Id); CategoryUtil.CreateMaterialAssociation(exporterIFC, elemHnd, materialId); } } transaction.Commit(); } return(createdRebars); }
/// <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; } // Check the intended IFC entity or type name is in the exclude list specified in the UI Common.Enums.IFCEntityType elementClassTypeEnum; if (Enum.TryParse <Common.Enums.IFCEntityType>("IfcZone", out elementClassTypeEnum)) { if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum)) { 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 = ExporterCacheManager.OwnerHistoryHandle; string name = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element)); string description = NamingUtil.GetDescriptionOverride(element, null); string objectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName()); string longName = NamingUtil.GetLongNameOverride(element, null); IFCAnyHandle zoneHnd = IFCInstanceExporter.CreateZone(file, guid, ownerHistory, name, description, objectType, longName); 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> /// Export the individual part (IfcBuildingElementPart). /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="partElement">The part element to export.</param> /// <param name="geometryElement">The geometry of part.</param> /// <param name="productWrapper">The ProductWrapper object.</param> public static void ExportPart(ExporterIFC exporterIFC, Element partElement, ProductWrapper productWrapper, PlacementSetter placementSetter, IFCAnyHandle originalPlacement, IFCRange range, IFCExtrusionAxes ifcExtrusionAxes, Element hostElement, ElementId overrideLevelId, bool asBuildingElement) { if (!ElementFilteringUtil.IsElementVisible(partElement)) { return; } Part part = partElement as Part; if (part == null) { return; } PlacementSetter standalonePlacementSetter = null; bool standaloneExport = hostElement == null && !asBuildingElement; ElementId partExportLevel = null; if (standaloneExport || asBuildingElement) { partExportLevel = partElement.LevelId; } else { if (part.OriginalCategoryId != hostElement.Category.Id) { return; } partExportLevel = hostElement.LevelId; } if (overrideLevelId != null) { partExportLevel = overrideLevelId; } if (ExporterCacheManager.PartExportedCache.HasExported(partElement.Id, partExportLevel)) { return; } Options options = GeometryUtil.GetIFCExportGeometryOptions(); View ownerView = partElement.Document.GetElement(partElement.OwnerViewId) as View; if (ownerView != null) { options.View = ownerView; } GeometryElement geometryElement = partElement.get_Geometry(options); if (geometryElement == null) { return; } try { IFCFile file = exporterIFC.GetFile(); using (IFCTransaction transaction = new IFCTransaction(file)) { IFCAnyHandle partPlacement = null; if (standaloneExport || asBuildingElement) { Transform orientationTrf = Transform.Identity; standalonePlacementSetter = PlacementSetter.Create(exporterIFC, partElement, null, orientationTrf, partExportLevel); partPlacement = standalonePlacementSetter.LocalPlacement; } else { partPlacement = ExporterUtil.CreateLocalPlacement(file, originalPlacement, null); } bool validRange = (range != null && !MathUtil.IsAlmostZero(range.Start - range.End)); SolidMeshGeometryInfo solidMeshInfo; if (validRange) { solidMeshInfo = GeometryUtil.GetSplitClippedSolidMeshGeometry(geometryElement, range); if (solidMeshInfo.GetSolids().Count == 0 && solidMeshInfo.GetMeshes().Count == 0) { return; } } else { solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement); } using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData()) { extrusionCreationData.SetLocalPlacement(partPlacement); extrusionCreationData.ReuseLocalPlacement = false; extrusionCreationData.PossibleExtrusionAxes = ifcExtrusionAxes; IList <Solid> solids = solidMeshInfo.GetSolids(); IList <Mesh> meshes = solidMeshInfo.GetMeshes(); ElementId catId = CategoryUtil.GetSafeCategoryId(partElement); ElementId hostCatId = CategoryUtil.GetSafeCategoryId(hostElement); BodyData bodyData = null; BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true); if (solids.Count > 0 || meshes.Count > 0) { bodyData = BodyExporter.ExportBody(exporterIFC, partElement, catId, ElementId.InvalidElementId, solids, meshes, bodyExporterOptions, extrusionCreationData); } else { IList <GeometryObject> geomlist = new List <GeometryObject>(); geomlist.Add(geometryElement); bodyData = BodyExporter.ExportBody(exporterIFC, partElement, catId, ElementId.InvalidElementId, geomlist, bodyExporterOptions, extrusionCreationData); } IFCAnyHandle bodyRep = bodyData.RepresentationHnd; if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep)) { extrusionCreationData.ClearOpenings(); return; } IList <IFCAnyHandle> representations = new List <IFCAnyHandle>(); representations.Add(bodyRep); IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geometryElement, Transform.Identity); if (boundingBoxRep != null) { representations.Add(boundingBoxRep); } IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations); IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle(); string partGUID = GUIDUtil.CreateGUID(partElement); string partName = NamingUtil.GetNameOverride(partElement, NamingUtil.GetIFCName(partElement)); string partDescription = NamingUtil.GetDescriptionOverride(partElement, null); string partObjectType = NamingUtil.GetObjectTypeOverride(partElement, NamingUtil.CreateIFCObjectName(exporterIFC, partElement)); string partTag = NamingUtil.GetTagOverride(partElement, NamingUtil.CreateIFCElementId(partElement)); IFCAnyHandle ifcPart = null; if (!asBuildingElement) { ifcPart = IFCInstanceExporter.CreateBuildingElementPart(file, partGUID, ownerHistory, partName, partDescription, partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag); } else { string ifcEnumType = null; IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, hostElement, out ifcEnumType); string defaultValue = null; // This replicates old functionality before IFC4 addition, where the default for slab was "FLOOR". // Really the export layer table should be fixed for this case. if (string.IsNullOrWhiteSpace(ifcEnumType) && hostCatId == new ElementId(BuiltInCategory.OST_Floors)) { ifcEnumType = "FLOOR"; } ifcEnumType = IFCValidateEntry.GetValidIFCType(hostElement, ifcEnumType, defaultValue); switch (exportType) { case IFCExportType.IfcColumnType: ifcPart = IFCInstanceExporter.CreateColumn(file, partGUID, ownerHistory, partName, partDescription, partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType); break; case IFCExportType.IfcCovering: ifcPart = IFCInstanceExporter.CreateCovering(file, partGUID, ownerHistory, partName, partDescription, partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType); break; case IFCExportType.IfcFooting: ifcPart = IFCInstanceExporter.CreateFooting(file, partGUID, ownerHistory, partName, partDescription, partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType); break; case IFCExportType.IfcPile: ifcPart = IFCInstanceExporter.CreatePile(file, partGUID, ownerHistory, partName, partDescription, partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType, null); break; case IFCExportType.IfcRoof: ifcPart = IFCInstanceExporter.CreateRoof(file, partGUID, ownerHistory, partName, partDescription, partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType); break; case IFCExportType.IfcSlab: ifcPart = IFCInstanceExporter.CreateSlab(file, partGUID, ownerHistory, partName, partDescription, partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType); break; case IFCExportType.IfcWall: ifcPart = IFCInstanceExporter.CreateWall(file, partGUID, ownerHistory, partName, partDescription, partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag, ifcEnumType); break; default: ifcPart = IFCInstanceExporter.CreateBuildingElementProxy(file, partGUID, ownerHistory, partName, partDescription, partObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, partTag, null); break; } } bool containedInLevel = (standaloneExport || asBuildingElement); PlacementSetter whichPlacementSetter = containedInLevel ? standalonePlacementSetter : placementSetter; productWrapper.AddElement(partElement, ifcPart, whichPlacementSetter, extrusionCreationData, containedInLevel); OpeningUtil.CreateOpeningsIfNecessary(ifcPart, partElement, extrusionCreationData, bodyData.OffsetTransform, exporterIFC, extrusionCreationData.GetLocalPlacement(), whichPlacementSetter, productWrapper); //Add the exported part to exported cache. TraceExportedParts(partElement, partExportLevel, standaloneExport || asBuildingElement ? ElementId.InvalidElementId : hostElement.Id); CategoryUtil.CreateMaterialAssociations(exporterIFC, ifcPart, bodyData.MaterialIds); transaction.Commit(); } } } finally { if (standalonePlacementSetter != null) { standalonePlacementSetter.Dispose(); } } }
/// <summary> /// Base implementation to export IFC site object. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="document">The Revit document. It may be null if element isn't.</param> /// <param name="element">The element. It may be null if document isn't.</param> /// <param name="geometryElement">The geometry element.</param> /// <param name="productWrapper">The ProductWrapper.</param> private static void ExportSiteBase(ExporterIFC exporterIFC, Document document, Element element, GeometryElement geometryElement, ProductWrapper productWrapper) { IFCAnyHandle siteHandle = ExporterCacheManager.SiteHandle; // Nothing to do if we've already created an IfcSite, and have no site element to try to // export or append to the existing site. if (element == null && !IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle)) { return; } Document doc = document; if (doc == null) { if (element != null) { doc = element.Document; } else { throw new ArgumentException("Both document and element are null."); } } // Check the intended IFC entity or type name is in the exclude list specified in the UI Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcSite; if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum)) { return; } IFCFile file = exporterIFC.GetFile(); using (IFCTransaction tr = new IFCTransaction(file)) { IFCAnyHandle siteRepresentation = null; if (element != null) { // It would be possible that they actually represent several different sites with different buildings, // but until we have a concept of a building in Revit, we have to assume 0-1 sites, 1 building. bool appendedToSite = false; bool exportAsFacetation = !ExporterCacheManager.ExportOptionsCache.ExportAsCoordinationView2; if (!IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle)) { IList <IFCAnyHandle> representations = IFCAnyHandleUtil.GetProductRepresentations(siteHandle); if (representations.Count > 0) { IFCAnyHandle bodyRep = representations[0]; IFCAnyHandle boundaryRep = null; if (representations.Count > 1) { boundaryRep = representations[1]; } siteRepresentation = RepresentationUtil.CreateSurfaceProductDefinitionShape(exporterIFC, element, geometryElement, true, exportAsFacetation, ref bodyRep, ref boundaryRep); if (representations.Count == 1 && !IFCAnyHandleUtil.IsNullOrHasNoValue(boundaryRep)) { // If the first site has no boundaryRep, // we will add the boundaryRep from second site to it. representations.Clear(); representations.Add(boundaryRep); IFCAnyHandleUtil.AddProductRepresentations(siteHandle, representations); } appendedToSite = true; } } if (!appendedToSite) { siteRepresentation = RepresentationUtil.CreateSurfaceProductDefinitionShape(exporterIFC, element, geometryElement, true, exportAsFacetation); } } List <int> latitude = new List <int>(); List <int> longitude = new List <int>(); ProjectLocation projLocation = doc.ActiveProjectLocation; double unscaledElevation = 0.0; if (projLocation != null) { const double scaleToDegrees = 180 / Math.PI; double latitudeInDeg = projLocation.GetSiteLocation().Latitude *scaleToDegrees; double longitudeInDeg = projLocation.GetSiteLocation().Longitude *scaleToDegrees; ExporterUtil.GetSafeProjectPositionElevation(doc, out unscaledElevation); int latDeg = ((int)latitudeInDeg); latitudeInDeg -= latDeg; latitudeInDeg *= 60; int latMin = ((int)latitudeInDeg); latitudeInDeg -= latMin; latitudeInDeg *= 60; int latSec = ((int)latitudeInDeg); latitudeInDeg -= latSec; latitudeInDeg *= 1000000; int latFracSec = ((int)latitudeInDeg); latitude.Add(latDeg); latitude.Add(latMin); latitude.Add(latSec); if (!ExporterCacheManager.ExportOptionsCache.ExportAs2x2) { latitude.Add(latFracSec); } int longDeg = ((int)longitudeInDeg); longitudeInDeg -= longDeg; longitudeInDeg *= 60; int longMin = ((int)longitudeInDeg); longitudeInDeg -= longMin; longitudeInDeg *= 60; int longSec = ((int)longitudeInDeg); longitudeInDeg -= longSec; longitudeInDeg *= 1000000; int longFracSec = ((int)longitudeInDeg); longitude.Add(longDeg); longitude.Add(longMin); longitude.Add(longSec); if (!ExporterCacheManager.ExportOptionsCache.ExportAs2x2) { longitude.Add(longFracSec); } } // Get elevation for site. double elevation = UnitUtil.ScaleLength(unscaledElevation); IFCAnyHandle relativePlacement = null; IFCAnyHandle localPlacement = null; if (ExporterCacheManager.ExportOptionsCache.ExportingLink) { relativePlacement = ExporterUtil.CreateAxis2Placement3D(file, UnitUtil.ScaleLength(ExporterCacheManager.HostRvtFileWCS.Origin), ExporterCacheManager.HostRvtFileWCS.BasisZ, ExporterCacheManager.HostRvtFileWCS.BasisX); localPlacement = IFCInstanceExporter.CreateLocalPlacement(file, null, relativePlacement); } else { Transform wcs = GeometryUtil.GetWCS(doc); if (wcs != null && !wcs.IsIdentity) { relativePlacement = ExporterUtil.CreateAxis2Placement3D(file, wcs.Origin, wcs.BasisZ, wcs.BasisX); localPlacement = IFCInstanceExporter.CreateLocalPlacement(file, null, relativePlacement); ExporterCacheManager.HostRvtFileWCS = wcs; ExporterCacheManager.HostRvtFileWCS.Origin = UnitUtil.UnscaleLength(ExporterCacheManager.HostRvtFileWCS.Origin); } else { ExporterCacheManager.HostRvtFileWCS = Transform.Identity; } } if (IFCAnyHandleUtil.IsNullOrHasNoValue(relativePlacement)) { relativePlacement = ExporterUtil.CreateAxis2Placement3D(file); } if (IFCAnyHandleUtil.IsNullOrHasNoValue(localPlacement)) { localPlacement = IFCInstanceExporter.CreateLocalPlacement(file, null, relativePlacement); } IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle; string siteObjectType = null; ProjectInfo projectInfo = doc.ProjectInformation; Element mainSiteElement = (element != null) ? element : projectInfo; string siteGUID = null; string siteName = null; string siteLongName = null; string siteLandTitleNumber = null; string siteDescription = null; bool exportSite = false; if ((element != null && IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle)) || (element == null)) { exportSite = true; // We will use the Project Information site name as the primary name, if it exists. siteGUID = (element != null) ? GUIDUtil.CreateSiteGUID(doc, element) : GUIDUtil.CreateProjectLevelGUID(doc, IFCProjectLevelGUIDType.Site);; if (element != null) { siteName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element)); siteDescription = NamingUtil.GetDescriptionOverride(element, null); siteObjectType = NamingUtil.GetObjectTypeOverride(element, null); siteLongName = NamingUtil.GetLongNameOverride(element, null); siteLandTitleNumber = NamingUtil.GetOverrideStringValue(element, "IfcLandTitleNumber", null); } else { siteName = "Default"; } siteName = NamingUtil.GetOverrideStringValue(projectInfo, "SiteName", siteName); siteDescription = NamingUtil.GetOverrideStringValue(projectInfo, "SiteDescription", siteDescription); siteObjectType = NamingUtil.GetOverrideStringValue(projectInfo, "SiteObjectType", siteObjectType); siteLongName = NamingUtil.GetOverrideStringValue(projectInfo, "SiteLongName", siteLongName); siteLandTitleNumber = NamingUtil.GetOverrideStringValue(projectInfo, "SiteLandTitleNumber", siteLandTitleNumber); if (element == null) { // don't bother exporting if we have nothing in the site whatsoever, and it is virtual. if ((latitude.Count == 0 || longitude.Count == 0) && IFCAnyHandleUtil.IsNullOrHasNoValue(relativePlacement) && string.IsNullOrWhiteSpace(siteLongName) && string.IsNullOrWhiteSpace(siteLandTitleNumber)) { return; } } } COBieProjectInfo cobieProjectInfo = ExporterCacheManager.ExportOptionsCache.COBieProjectInfo; // Override Site information when it is a special COBie export if (ExporterCacheManager.ExportOptionsCache.ExportAs2x3COBIE24DesignDeliverable && cobieProjectInfo != null) { siteName = cobieProjectInfo.SiteLocation; siteDescription = cobieProjectInfo.SiteDescription; } if (exportSite) { IFCAnyHandle address = null; if (Exporter.NeedToCreateAddressForSite(doc)) { address = Exporter.CreateIFCAddress(file, doc, projectInfo); } siteHandle = IFCInstanceExporter.CreateSite(exporterIFC, element, siteGUID, ownerHistory, siteName, siteDescription, siteObjectType, localPlacement, siteRepresentation, siteLongName, IFCElementComposition.Element, latitude, longitude, elevation, siteLandTitleNumber, address); productWrapper.AddSite(mainSiteElement, siteHandle); ExporterCacheManager.SiteHandle = siteHandle; } tr.Commit(); } }
/// <summary> /// Export Curtain Walls and Roofs. /// </summary> /// <param name="exporterIFC"> /// The ExporterIFC object. /// </param> /// <param name="allSubElements"> /// Collection of elements contained in the host curtain element. /// </param> /// <param name="element"> /// The element to be exported. /// </param> /// <param name="productWrapper"> /// The IFCProductWrapper. /// </param> public static void ExportBase(ExporterIFC exporterIFC, ICollection <ElementId> allSubElements, Element element, IFCProductWrapper wrapper) { IFCFile file = exporterIFC.GetFile(); IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle(); IFCPlacementSetter setter = null; using (IFCProductWrapper curtainWallSubWrapper = IFCProductWrapper.Create(wrapper, false)) { try { IFCAnyHandle localPlacement = null; bool canExportCurtainWallAsContainer = CanExportCurtainWallAsContainer(allSubElements, element.Document); IFCAnyHandle rep = null; if (!canExportCurtainWallAsContainer) { setter = IFCPlacementSetter.Create(exporterIFC, element); localPlacement = setter.GetPlacement(); rep = ExportCurtainObjectCommonAsOneBRep(allSubElements, element, exporterIFC, setter, localPlacement); if (IFCAnyHandleUtil.IsNullOrHasNoValue(rep)) { return; } } else { ExportCurtainObjectCommonAsContainer(allSubElements, element, exporterIFC, curtainWallSubWrapper); // This has to go LAST. Why? Because otherwise we apply the level transform twice -- once in the familyTrf, once here. // This will be used just to put the CurtainWall on the right level. setter = IFCPlacementSetter.Create(exporterIFC, element); localPlacement = setter.GetPlacement(); } string objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element); { IFCAnyHandle prodRepHnd = null; IFCAnyHandle elemHnd = null; string elemGUID = ExporterIFCUtils.CreateGUID(element); string elemName = NamingUtil.GetNameOverride(element, exporterIFC.GetName()); string elemDesc = NamingUtil.GetDescriptionOverride(element, null); string elemType = NamingUtil.GetObjectTypeOverride(element, objectType); string elemId = NamingUtil.CreateIFCElementId(element); if (element is Wall || element is CurtainSystem || IsLegacyCurtainElement(element)) { elemHnd = IFCInstanceExporter.CreateCurtainWall(file, elemGUID, ownerHistory, elemName, elemDesc, elemType, localPlacement, prodRepHnd, elemId); } else if (element is RoofBase) { //need to convert the string to enum string ifcEnumType = CategoryUtil.GetIFCEnumTypeName(exporterIFC, element); elemHnd = IFCInstanceExporter.CreateRoof(file, elemGUID, ownerHistory, elemName, elemDesc, elemType, localPlacement, prodRepHnd, elemId, RoofExporter.GetIFCRoofType(ifcEnumType)); } else { return; } if (IFCAnyHandleUtil.IsNullOrHasNoValue(elemHnd)) { return; } wrapper.AddElement(elemHnd, setter, null, true); ExporterIFCUtils.CreateCurtainWallPropertySet(exporterIFC, element, wrapper); PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, wrapper); ICollection <IFCAnyHandle> relatedElementIds = curtainWallSubWrapper.GetAllObjects(); if (relatedElementIds.Count > 0) { string guid = ExporterIFCUtils.CreateSubElementGUID(element, (int)IFCCurtainWallSubElements.RelAggregates); HashSet <IFCAnyHandle> relatedElementIdSet = new HashSet <IFCAnyHandle>(relatedElementIds); IFCInstanceExporter.CreateRelAggregates(file, guid, ownerHistory, null, null, elemHnd, relatedElementIdSet); } exporterIFC.RegisterSpaceBoundingElementHandle(elemHnd, element.Id, ElementId.InvalidElementId); } } finally { if (setter != null) { setter.Dispose(); } } } }
/// <summary> /// Exports a CeilingAndFloor element to IFC. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="floor">The floor element.</param> /// <param name="geometryElement">The geometry element.</param> /// <param name="productWrapper">The ProductWrapper.</param> public static void ExportCeilingAndFloorElement(ExporterIFC exporterIFC, CeilingAndFloor floorElement, GeometryElement geometryElement, ProductWrapper productWrapper) { if (geometryElement == null) { return; } // export parts or not bool exportParts = PartExporter.CanExportParts(floorElement); if (exportParts && !PartExporter.CanExportElementInPartExport(floorElement, floorElement.LevelId, false)) { return; } string ifcEnumType; IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, floorElement, out ifcEnumType); IFCFile file = exporterIFC.GetFile(); IList <IFCAnyHandle> slabHnds = new List <IFCAnyHandle>(); IList <IFCAnyHandle> brepSlabHnds = new List <IFCAnyHandle>(); IList <IFCAnyHandle> nonBrepSlabHnds = new List <IFCAnyHandle>(); using (IFCTransaction tr = new IFCTransaction(file)) { using (IFCTransformSetter transformSetter = IFCTransformSetter.Create()) { using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, floorElement)) { IFCAnyHandle localPlacement = placementSetter.LocalPlacement; IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle(); bool exportedAsInternalExtrusion = false; ElementId catId = CategoryUtil.GetSafeCategoryId(floorElement); IList <IFCAnyHandle> prodReps = new List <IFCAnyHandle>(); IList <ShapeRepresentationType> repTypes = new List <ShapeRepresentationType>(); IList <IList <CurveLoop> > extrusionLoops = new List <IList <CurveLoop> >(); IList <IFCExtrusionCreationData> loopExtraParams = new List <IFCExtrusionCreationData>(); Plane floorPlane = GeometryUtil.CreateDefaultPlane(); IList <IFCAnyHandle> localPlacements = new List <IFCAnyHandle>(); if (!exportParts && (floorElement is Floor)) { Floor floor = floorElement as Floor; // First, try to use the ExtrusionAnalyzer for the limited cases it handles - 1 solid, no openings, end clippings only. // Also limited to cases with line and arc boundaries. // SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement); IList <Solid> solids = solidMeshInfo.GetSolids(); IList <Mesh> meshes = solidMeshInfo.GetMeshes(); if (solids.Count == 1 && meshes.Count == 0) { bool completelyClipped; XYZ floorExtrusionDirection = new XYZ(0, 0, -1); XYZ modelOrigin = XYZ.Zero; XYZ floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top); if (floorOrigin == null) { // GetVerticalProjectionPoint may return null if FloorFace.Top is an edited face that doesn't // go thruough te Revit model orgigin. We'll try the midpoint of the bounding box instead. BoundingBoxXYZ boundingBox = floorElement.get_BoundingBox(null); modelOrigin = (boundingBox.Min + boundingBox.Max) / 2.0; floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top); } if (floorOrigin != null) { XYZ floorDir = floor.GetNormalAtVerticalProjectionPoint(floorOrigin, FloorFace.Top); Plane extrusionAnalyzerFloorPlane = new Plane(floorDir, floorOrigin); HandleAndData floorAndProperties = ExtrusionExporter.CreateExtrusionWithClippingAndProperties(exporterIFC, floorElement, catId, solids[0], extrusionAnalyzerFloorPlane, floorExtrusionDirection, null, out completelyClipped); if (completelyClipped) { return; } if (floorAndProperties.Handle != null) { IList <IFCAnyHandle> representations = new List <IFCAnyHandle>(); representations.Add(floorAndProperties.Handle); IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations); prodReps.Add(prodRep); repTypes.Add(ShapeRepresentationType.SweptSolid); if (floorAndProperties.Data != null) { loopExtraParams.Add(floorAndProperties.Data); } } } } } // Use internal routine as backup that handles openings. if (prodReps.Count == 0) { exportedAsInternalExtrusion = ExporterIFCUtils.ExportSlabAsExtrusion(exporterIFC, floorElement, geometryElement, transformSetter, localPlacement, out localPlacements, out prodReps, out extrusionLoops, out loopExtraParams, floorPlane); for (int ii = 0; ii < prodReps.Count; ii++) { // all are extrusions repTypes.Add(ShapeRepresentationType.SweptSolid); } } if (prodReps.Count == 0) { using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData()) { BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true); bodyExporterOptions.TessellationLevel = BodyExporter.GetTessellationLevel(); BodyData bodyData; IFCAnyHandle prodDefHnd = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, floorElement, catId, geometryElement, bodyExporterOptions, null, ecData, out bodyData); if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodDefHnd)) { ecData.ClearOpenings(); return; } prodReps.Add(prodDefHnd); repTypes.Add(bodyData.ShapeRepresentationType); } } // Create the slab from either the extrusion or the BRep information. string ifcGUID = GUIDUtil.CreateGUID(floorElement); int numReps = exportParts ? 1 : prodReps.Count; string entityType = null; switch (exportType) { case IFCExportType.IfcFooting: if (ExporterCacheManager.ExportOptionsCache.ExportAs4) { entityType = IFCValidateEntry.GetValidIFCType <Revit.IFC.Export.Toolkit.IFC4.IFCFootingType>(floorElement, ifcEnumType, null); } else { entityType = IFCValidateEntry.GetValidIFCType <IFCFootingType>(floorElement, ifcEnumType, null); } break; case IFCExportType.IfcCovering: entityType = IFCValidateEntry.GetValidIFCType <IFCCoveringType>(floorElement, ifcEnumType, "FLOORING"); break; case IFCExportType.IfcRamp: if (ExporterCacheManager.ExportOptionsCache.ExportAs4) { entityType = IFCValidateEntry.GetValidIFCType <Revit.IFC.Export.Toolkit.IFC4.IFCRampType>(floorElement, ifcEnumType, null); } else { entityType = IFCValidateEntry.GetValidIFCType <IFCRampType>(floorElement, ifcEnumType, null); } break; default: bool isBaseSlab = false; AnalyticalModel analyticalModel = floorElement.GetAnalyticalModel(); if (analyticalModel != null) { AnalyzeAs slabFoundationType = analyticalModel.GetAnalyzeAs(); isBaseSlab = (slabFoundationType == AnalyzeAs.SlabOnGrade) || (slabFoundationType == AnalyzeAs.Mat); } entityType = IFCValidateEntry.GetValidIFCType <IFCSlabType>(floorElement, ifcEnumType, isBaseSlab ? "BASESLAB" : "FLOOR"); break; } for (int ii = 0; ii < numReps; ii++) { string ifcName = NamingUtil.GetNameOverride(floorElement, NamingUtil.GetIFCNamePlusIndex(floorElement, ii == 0 ? -1 : ii + 1)); string ifcDescription = NamingUtil.GetDescriptionOverride(floorElement, null); string ifcObjectType = NamingUtil.GetObjectTypeOverride(floorElement, exporterIFC.GetFamilyName()); string ifcTag = NamingUtil.GetTagOverride(floorElement, NamingUtil.CreateIFCElementId(floorElement)); string currentGUID = (ii == 0) ? ifcGUID : GUIDUtil.CreateGUID(); IFCAnyHandle localPlacementHnd = exportedAsInternalExtrusion ? localPlacements[ii] : localPlacement; IFCAnyHandle slabHnd = null; // TODO: replace with CreateGenericBuildingElement. switch (exportType) { case IFCExportType.IfcFooting: slabHnd = IFCInstanceExporter.CreateFooting(file, currentGUID, ownerHistory, ifcName, ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii], ifcTag, entityType); break; case IFCExportType.IfcCovering: slabHnd = IFCInstanceExporter.CreateCovering(file, currentGUID, ownerHistory, ifcName, ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii], ifcTag, entityType); break; case IFCExportType.IfcRamp: slabHnd = IFCInstanceExporter.CreateRamp(file, currentGUID, ownerHistory, ifcName, ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii], ifcTag, entityType); break; default: slabHnd = IFCInstanceExporter.CreateSlab(file, currentGUID, ownerHistory, ifcName, ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii], ifcTag, entityType); break; } if (IFCAnyHandleUtil.IsNullOrHasNoValue(slabHnd)) { return; } if (exportParts) { PartExporter.ExportHostPart(exporterIFC, floorElement, slabHnd, productWrapper, placementSetter, localPlacementHnd, null); } slabHnds.Add(slabHnd); if (!exportParts) { if (repTypes[ii] == ShapeRepresentationType.Brep) { brepSlabHnds.Add(slabHnd); } else { nonBrepSlabHnds.Add(slabHnd); } } } for (int ii = 0; ii < numReps; ii++) { IFCExtrusionCreationData loopExtraParam = ii < loopExtraParams.Count ? loopExtraParams[ii] : null; productWrapper.AddElement(floorElement, slabHnds[ii], placementSetter, loopExtraParam, true); } if (exportedAsInternalExtrusion) { ExporterIFCUtils.ExportExtrudedSlabOpenings(exporterIFC, floorElement, placementSetter.LevelInfo, localPlacements[0], slabHnds, extrusionLoops, floorPlane, productWrapper.ToNative()); } } if (!exportParts) { if (nonBrepSlabHnds.Count > 0) { HostObjectExporter.ExportHostObjectMaterials(exporterIFC, floorElement, nonBrepSlabHnds, geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, false); } if (brepSlabHnds.Count > 0) { HostObjectExporter.ExportHostObjectMaterials(exporterIFC, floorElement, brepSlabHnds, geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, true); } } } tr.Commit(); return; } }
/// <summary> /// Exports a CeilingAndFloor element to IFC. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="floor">The floor element.</param> /// <param name="geometryElement">The geometry element.</param> /// <param name="productWrapper">The ProductWrapper.</param> public static void ExportCeilingAndFloorElement(ExporterIFC exporterIFC, CeilingAndFloor floorElement, GeometryElement geometryElement, ProductWrapper productWrapper) { if (geometryElement == null) { return; } // export parts or not bool exportParts = PartExporter.CanExportParts(floorElement); if (exportParts && !PartExporter.CanExportElementInPartExport(floorElement, floorElement.LevelId, false)) { return; } IFCFile file = exporterIFC.GetFile(); string ifcEnumType; IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, floorElement, out ifcEnumType); // Check the intended IFC entity or type name is in the exclude list specified in the UI Common.Enums.IFCEntityType elementClassTypeEnum; if (Enum.TryParse <Common.Enums.IFCEntityType>(exportType.ToString(), out elementClassTypeEnum)) { if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum)) { return; } } using (IFCTransaction tr = new IFCTransaction(file)) { bool canExportAsContainerOrWithExtrusionAnalyzer = (!exportParts && (floorElement is Floor)); if (canExportAsContainerOrWithExtrusionAnalyzer) { // Try to export the Floor slab as a container. If that succeeds, we are done. // If we do export the floor as a container, it will take care of the local placement and transform there, so we need to leave // this out of the IFCTransformSetter and PlacementSetter scopes below, or else we'll get double transforms. IFCAnyHandle floorHnd = RoofExporter.ExportRoofOrFloorAsContainer(exporterIFC, ifcEnumType, floorElement, geometryElement, productWrapper); if (!IFCAnyHandleUtil.IsNullOrHasNoValue(floorHnd)) { tr.Commit(); return; } } IList <IFCAnyHandle> slabHnds = new List <IFCAnyHandle>(); IList <IFCAnyHandle> brepSlabHnds = new List <IFCAnyHandle>(); IList <IFCAnyHandle> nonBrepSlabHnds = new List <IFCAnyHandle>(); using (IFCTransformSetter transformSetter = IFCTransformSetter.Create()) { using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, floorElement)) { IFCAnyHandle localPlacement = placementSetter.LocalPlacement; IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle; // The routine ExportExtrudedSlabOpenings is called if exportedAsInternalExtrusion is true, and it requires having a valid level association. // Disable calling ExportSlabAsExtrusion if we can't handle potential openings. bool canExportAsInternalExtrusion = placementSetter.LevelInfo != null; bool exportedAsInternalExtrusion = false; ElementId catId = CategoryUtil.GetSafeCategoryId(floorElement); IList <IFCAnyHandle> prodReps = new List <IFCAnyHandle>(); IList <ShapeRepresentationType> repTypes = new List <ShapeRepresentationType>(); IList <IList <CurveLoop> > extrusionLoops = new List <IList <CurveLoop> >(); IList <IFCExtrusionCreationData> loopExtraParams = new List <IFCExtrusionCreationData>(); Plane floorPlane = GeometryUtil.CreateDefaultPlane(); IList <IFCAnyHandle> localPlacements = new List <IFCAnyHandle>(); if (canExportAsContainerOrWithExtrusionAnalyzer) { Floor floor = floorElement as Floor; // Next, try to use the ExtrusionAnalyzer for the limited cases it handles - 1 solid, no openings, end clippings only. // Also limited to cases with line and arc boundaries. // SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement); IList <Solid> solids = solidMeshInfo.GetSolids(); IList <Mesh> meshes = solidMeshInfo.GetMeshes(); if (solids.Count == 1 && meshes.Count == 0) { bool completelyClipped; // floorExtrusionDirection is set to (0, 0, -1) because extrusionAnalyzerFloorPlane is computed from the top face of the floor XYZ floorExtrusionDirection = new XYZ(0, 0, -1); XYZ modelOrigin = XYZ.Zero; XYZ floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top); if (floorOrigin == null) { // GetVerticalProjectionPoint may return null if FloorFace.Top is an edited face that doesn't // go through the Revit model origin. We'll try the midpoint of the bounding box instead. BoundingBoxXYZ boundingBox = floorElement.get_BoundingBox(null); modelOrigin = (boundingBox.Min + boundingBox.Max) / 2.0; floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top); } if (floorOrigin != null) { XYZ floorDir = floor.GetNormalAtVerticalProjectionPoint(floorOrigin, FloorFace.Top); Plane extrusionAnalyzerFloorBasePlane = GeometryUtil.CreatePlaneByNormalAtOrigin(floorDir); GenerateAdditionalInfo additionalInfo = ExporterCacheManager.ExportOptionsCache.ExportAs4 ? GenerateAdditionalInfo.GenerateFootprint : GenerateAdditionalInfo.None; HandleAndData floorAndProperties = ExtrusionExporter.CreateExtrusionWithClippingAndProperties(exporterIFC, floorElement, catId, solids[0], extrusionAnalyzerFloorBasePlane, floorOrigin, floorExtrusionDirection, null, out completelyClipped, addInfo: additionalInfo); if (completelyClipped) { return; } if (floorAndProperties.Handle != null) { IList <IFCAnyHandle> representations = new List <IFCAnyHandle>(); representations.Add(floorAndProperties.Handle); // Footprint representation will only be exported in export to IFC4 if (((additionalInfo & GenerateAdditionalInfo.GenerateFootprint) != 0) && (floorAndProperties.FootprintInfo != null)) { if (!(IFCAnyHandleUtil.IsNullOrHasNoValue(floorAndProperties.FootprintInfo.FootPrintHandle))) { representations.Add(floorAndProperties.FootprintInfo.FootPrintHandle); } } IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations); prodReps.Add(prodRep); repTypes.Add(ShapeRepresentationType.SweptSolid); if (floorAndProperties.Data != null) { loopExtraParams.Add(floorAndProperties.Data); } } } } } // Use internal routine as backup that handles openings. if (prodReps.Count == 0 && canExportAsInternalExtrusion) { //IList<IFCAnyHandle> prodRepsTmp = new List<IFCAnyHandle>(); exportedAsInternalExtrusion = ExporterIFCUtils.ExportSlabAsExtrusion(exporterIFC, floorElement, geometryElement, transformSetter, localPlacement, out localPlacements, out prodReps, out extrusionLoops, out loopExtraParams, floorPlane); for (int ii = 0; ii < prodReps.Count; ii++) { // all are extrusions repTypes.Add(ShapeRepresentationType.SweptSolid); // Footprint representation will only be exported in export to IFC4 if (ExporterCacheManager.ExportOptionsCache.ExportAs4) { // Get back the representations, we need to add the Footprint to it //IList<IFCAnyHandle> representations = IFCAnyHandleUtil.GetRepresentations(prodRepsTmp[ii]); if (extrusionLoops.Count > ii) { if (extrusionLoops[ii].Count > 0) { // Get the extrusion footprint using the first Curveloop. Transform needs to be obtained from the returned local placement Transform lcs = ExporterIFCUtils.GetUnscaledTransform(exporterIFC, localPlacements[ii]); IFCAnyHandle footprintGeomRepItem = GeometryUtil.CreateIFCCurveFromCurveLoop(exporterIFC, extrusionLoops[ii][0], lcs, floorPlane.Normal); IFCAnyHandle contextOfItemsFootprint = exporterIFC.Get3DContextHandle("FootPrint"); ISet <IFCAnyHandle> repItem = new HashSet <IFCAnyHandle>(); repItem.Add(footprintGeomRepItem); IFCAnyHandle footprintShapeRepresentation = RepresentationUtil.CreateBaseShapeRepresentation(exporterIFC, contextOfItemsFootprint, "FootPrint", "Curve2D", repItem); //representations.Add(footprintShapeRepresentation); IList <IFCAnyHandle> reps = new List <IFCAnyHandle>(); reps.Add(footprintShapeRepresentation); IFCAnyHandleUtil.AddRepresentations(prodReps[ii], reps); } } //IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations); //prodReps.Add(prodRep); } else { //prodReps.Add(prodRepsTmp[ii]); } // We do not need the prodRepsTmp anymore, delete the handle: //prodRepsTmp[ii].Delete(); } } if (prodReps.Count == 0) { using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData()) { // Brep representation using tesellation after ExportSlabAsExtrusion does not return prodReps BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.Medium); BodyData bodyData; IFCAnyHandle prodDefHnd = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, floorElement, catId, geometryElement, bodyExporterOptions, null, ecData, out bodyData); if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodDefHnd)) { ecData.ClearOpenings(); return; } prodReps.Add(prodDefHnd); repTypes.Add(bodyData.ShapeRepresentationType); } } // Create the slab from either the extrusion or the BRep information. string ifcGUID = GUIDUtil.CreateGUID(floorElement); int numReps = exportParts ? 1 : prodReps.Count; string entityType = null; switch (exportType) { case IFCExportType.IfcFooting: if (ExporterCacheManager.ExportOptionsCache.ExportAs4) { entityType = IFCValidateEntry.GetValidIFCType <Revit.IFC.Export.Toolkit.IFC4.IFCFootingType>(floorElement, ifcEnumType, null); } else { entityType = IFCValidateEntry.GetValidIFCType <IFCFootingType>(floorElement, ifcEnumType, null); } break; case IFCExportType.IfcCovering: entityType = IFCValidateEntry.GetValidIFCType <IFCCoveringType>(floorElement, ifcEnumType, "FLOORING"); break; case IFCExportType.IfcRamp: if (ExporterCacheManager.ExportOptionsCache.ExportAs4) { entityType = IFCValidateEntry.GetValidIFCType <Revit.IFC.Export.Toolkit.IFC4.IFCRampType>(floorElement, ifcEnumType, null); } else { entityType = IFCValidateEntry.GetValidIFCType <IFCRampType>(floorElement, ifcEnumType, null); } break; default: bool isBaseSlab = false; AnalyticalModel analyticalModel = floorElement.GetAnalyticalModel(); if (analyticalModel != null) { AnalyzeAs slabFoundationType = analyticalModel.GetAnalyzeAs(); isBaseSlab = (slabFoundationType == AnalyzeAs.SlabOnGrade) || (slabFoundationType == AnalyzeAs.Mat); } entityType = IFCValidateEntry.GetValidIFCType <IFCSlabType>(floorElement, ifcEnumType, isBaseSlab ? "BASESLAB" : "FLOOR"); break; } for (int ii = 0; ii < numReps; ii++) { string ifcName = NamingUtil.GetNameOverride(floorElement, NamingUtil.GetIFCNamePlusIndex(floorElement, ii == 0 ? -1 : ii + 1)); string ifcDescription = NamingUtil.GetDescriptionOverride(floorElement, null); string ifcObjectType = NamingUtil.GetObjectTypeOverride(floorElement, exporterIFC.GetFamilyName()); string ifcTag = NamingUtil.GetTagOverride(floorElement, NamingUtil.CreateIFCElementId(floorElement)); string currentGUID = (ii == 0) ? ifcGUID : GUIDUtil.CreateGUID(); IFCAnyHandle localPlacementHnd = exportedAsInternalExtrusion ? localPlacements[ii] : localPlacement; IFCAnyHandle slabHnd = null; // TODO: replace with CreateGenericBuildingElement. switch (exportType) { case IFCExportType.IfcFooting: slabHnd = IFCInstanceExporter.CreateFooting(file, currentGUID, ownerHistory, ifcName, ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii], ifcTag, entityType); break; case IFCExportType.IfcCovering: slabHnd = IFCInstanceExporter.CreateCovering(file, currentGUID, ownerHistory, ifcName, ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii], ifcTag, entityType); break; case IFCExportType.IfcRamp: slabHnd = IFCInstanceExporter.CreateRamp(file, currentGUID, ownerHistory, ifcName, ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii], ifcTag, entityType); break; default: //if ((canExportAsInternalExtrusion || exportedAsInternalExtrusion) && ExporterCacheManager.ExportOptionsCache.ExportAs4) //{ // slabHnd = IFCInstanceExporter.CreateSlabStandardCase(file, currentGUID, ownerHistory, ifcName, // ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii], // ifcTag, entityType); //} //else slabHnd = IFCInstanceExporter.CreateSlab(file, currentGUID, ownerHistory, ifcName, ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii], ifcTag, entityType); break; } if (IFCAnyHandleUtil.IsNullOrHasNoValue(slabHnd)) { return; } if (exportParts) { PartExporter.ExportHostPart(exporterIFC, floorElement, slabHnd, productWrapper, placementSetter, localPlacementHnd, null); } slabHnds.Add(slabHnd); if (!exportParts) { if (repTypes[ii] == ShapeRepresentationType.Brep) { brepSlabHnds.Add(slabHnd); } else { nonBrepSlabHnds.Add(slabHnd); } } } for (int ii = 0; ii < numReps; ii++) { IFCExtrusionCreationData loopExtraParam = ii < loopExtraParams.Count ? loopExtraParams[ii] : null; productWrapper.AddElement(floorElement, slabHnds[ii], placementSetter, loopExtraParam, true); } // This call to the native function appears to create Brep opening also when appropriate. But the creation of the IFC instances is not // controllable from the managed code. Therefore in some cases BRep geometry for Opening will still be exported even in the Reference View if (exportedAsInternalExtrusion) { ExporterIFCUtils.ExportExtrudedSlabOpenings(exporterIFC, floorElement, placementSetter.LevelInfo, localPlacements[0], slabHnds, extrusionLoops, floorPlane, productWrapper.ToNative()); } //// For now we have to be content without IfcOpeningStandardCase from the openings created by this native call because it is too much to //// "reverse engineer" the IFChandle //foreach (IFCAnyHandle slabHandle in slabHnds) //{ // updateOpeningProfileRep(exporterIFC, slabHandle); //} } if (!exportParts) { if (nonBrepSlabHnds.Count > 0) { HostObjectExporter.ExportHostObjectMaterials(exporterIFC, floorElement, nonBrepSlabHnds, geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, false); } if (brepSlabHnds.Count > 0) { HostObjectExporter.ExportHostObjectMaterials(exporterIFC, floorElement, brepSlabHnds, geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, true); } } } tr.Commit(); return; } }
/// <summary> /// Exports a generic element as an IfcSlab.</summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="floor">The floor element.</param> /// <param name="geometryElement">The geometry element.</param> /// <param name="ifcEnumType">The string value represents the IFC type.</param> /// <param name="productWrapper">The ProductWrapper.</param> /// <returns>True if the floor is exported successfully, false otherwise.</returns> public static void ExportGenericSlab(ExporterIFC exporterIFC, Element slabElement, GeometryElement geometryElement, string ifcEnumType, ProductWrapper productWrapper) { if (geometryElement == null) { return; } bool exportParts = PartExporter.CanExportParts(slabElement); IFCFile file = exporterIFC.GetFile(); IList <IFCAnyHandle> slabHnds = new List <IFCAnyHandle>(); IList <IFCAnyHandle> brepSlabHnds = new List <IFCAnyHandle>(); IList <IFCAnyHandle> nonBrepSlabHnds = new List <IFCAnyHandle>(); using (IFCTransaction tr = new IFCTransaction(file)) { using (IFCTransformSetter transformSetter = IFCTransformSetter.Create()) { using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, slabElement)) { IFCAnyHandle localPlacement = placementSetter.LocalPlacement; IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle(); bool exportedAsInternalExtrusion = false; ElementId catId = CategoryUtil.GetSafeCategoryId(slabElement); IList <IFCAnyHandle> prodReps = new List <IFCAnyHandle>(); IList <ShapeRepresentationType> repTypes = new List <ShapeRepresentationType>(); IList <IList <CurveLoop> > extrusionLoops = new List <IList <CurveLoop> >(); IList <IFCExtrusionCreationData> loopExtraParams = new List <IFCExtrusionCreationData>(); Plane floorPlane = GeometryUtil.CreateDefaultPlane(); IList <IFCAnyHandle> localPlacements = new List <IFCAnyHandle>(); using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData()) { BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true); bodyExporterOptions.TessellationLevel = BodyExporter.GetTessellationLevel(); BodyData bodyData; IFCAnyHandle prodDefHnd = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, slabElement, catId, geometryElement, bodyExporterOptions, null, ecData, out bodyData); if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodDefHnd)) { ecData.ClearOpenings(); return; } prodReps.Add(prodDefHnd); repTypes.Add(bodyData.ShapeRepresentationType); } // Create the slab from either the extrusion or the BRep information. string ifcGUID = GUIDUtil.CreateGUID(slabElement); int numReps = exportParts ? 1 : prodReps.Count; string entityType = IFCValidateEntry.GetValidIFCType <IFCSlabType>(slabElement, ifcEnumType, "FLOOR"); for (int ii = 0; ii < numReps; ii++) { string ifcName = NamingUtil.GetNameOverride(slabElement, NamingUtil.GetIFCNamePlusIndex(slabElement, ii == 0 ? -1 : ii + 1)); string ifcDescription = NamingUtil.GetDescriptionOverride(slabElement, null); string ifcObjectType = NamingUtil.GetObjectTypeOverride(slabElement, exporterIFC.GetFamilyName()); string ifcTag = NamingUtil.GetTagOverride(slabElement, NamingUtil.CreateIFCElementId(slabElement)); string currentGUID = (ii == 0) ? ifcGUID : GUIDUtil.CreateGUID(); IFCAnyHandle localPlacementHnd = exportedAsInternalExtrusion ? localPlacements[ii] : localPlacement; IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, currentGUID, ownerHistory, ifcName, ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii], ifcTag, entityType); if (IFCAnyHandleUtil.IsNullOrHasNoValue(slabHnd)) { return; } if (exportParts) { PartExporter.ExportHostPart(exporterIFC, slabElement, slabHnd, productWrapper, placementSetter, localPlacementHnd, null); } slabHnds.Add(slabHnd); if (!exportParts) { if (repTypes[ii] == ShapeRepresentationType.Brep) { brepSlabHnds.Add(slabHnd); } else { nonBrepSlabHnds.Add(slabHnd); } } } for (int ii = 0; ii < numReps; ii++) { IFCExtrusionCreationData loopExtraParam = ii < loopExtraParams.Count ? loopExtraParams[ii] : null; productWrapper.AddElement(slabElement, slabHnds[ii], placementSetter, loopExtraParam, true); } if (exportedAsInternalExtrusion) { ExporterIFCUtils.ExportExtrudedSlabOpenings(exporterIFC, slabElement, placementSetter.LevelInfo, localPlacements[0], slabHnds, extrusionLoops, floorPlane, productWrapper.ToNative()); } } if (!exportParts) { if (slabElement is HostObject) { HostObject hostObject = slabElement as HostObject; if (nonBrepSlabHnds.Count > 0) { HostObjectExporter.ExportHostObjectMaterials(exporterIFC, hostObject, nonBrepSlabHnds, geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, false); } if (brepSlabHnds.Count > 0) { HostObjectExporter.ExportHostObjectMaterials(exporterIFC, hostObject, brepSlabHnds, geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, true); } } else if (slabElement is FamilyInstance && slabHnds.Count > 0) { ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, slabElement); Document doc = slabElement.Document; foreach (IFCAnyHandle slabHnd in slabHnds) { CategoryUtil.CreateMaterialAssociation(exporterIFC, slabHnd, matId); } } } } tr.Commit(); return; } }
/// <summary> /// Base implementation to export IFC site object. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="document">The Revit document. It may be null if element isn't.</param> /// <param name="element">The element. It may be null if document isn't.</param> /// <param name="geometryElement">The geometry element.</param> /// <param name="productWrapper">The ProductWrapper.</param> private static void ExportSiteBase(ExporterIFC exporterIFC, Document document, Element element, GeometryElement geometryElement, ProductWrapper productWrapper) { IFCAnyHandle siteHandle = ExporterCacheManager.SiteHandle; int numSiteElements = (!IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle) ? 1 : 0); if (element == null && (numSiteElements != 0)) { return; } Document doc = document; if (doc == null) { if (element != null) { doc = element.Document; } else { throw new ArgumentException("Both document and element are null."); } } // Check the intended IFC entity or type name is in the exclude list specified in the UI Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcSite; if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum)) { return; } IFCFile file = exporterIFC.GetFile(); using (IFCTransaction tr = new IFCTransaction(file)) { IFCAnyHandle siteRepresentation = null; if (element != null) { // It would be possible that they actually represent several different sites with different buildings, // but until we have a concept of a building in Revit, we have to assume 0-1 sites, 1 building. bool appendedToSite = false; bool exportAsFacetation = !ExporterCacheManager.ExportOptionsCache.ExportAsCoordinationView2; if (!IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle)) { IList <IFCAnyHandle> representations = IFCAnyHandleUtil.GetProductRepresentations(siteHandle); if (representations.Count > 0) { IFCAnyHandle bodyRep = representations[0]; IFCAnyHandle boundaryRep = null; if (representations.Count > 1) { boundaryRep = representations[1]; } siteRepresentation = RepresentationUtil.CreateSurfaceProductDefinitionShape(exporterIFC, element, geometryElement, true, exportAsFacetation, ref bodyRep, ref boundaryRep); if (representations.Count == 1 && !IFCAnyHandleUtil.IsNullOrHasNoValue(boundaryRep)) { // If the first site has no boundaryRep, // we will add the boundaryRep from second site to it. representations.Clear(); representations.Add(boundaryRep); IFCAnyHandleUtil.AddProductRepresentations(siteHandle, representations); } appendedToSite = true; } } if (!appendedToSite) { siteRepresentation = RepresentationUtil.CreateSurfaceProductDefinitionShape(exporterIFC, element, geometryElement, true, exportAsFacetation); } } List <int> latitude = new List <int>(); List <int> longitude = new List <int>(); ProjectLocation projLocation = doc.ActiveProjectLocation; IFCAnyHandle relativePlacement = null; double unscaledElevation = 0.0; if (projLocation != null) { const double scaleToDegrees = 180 / Math.PI; double latitudeInDeg = projLocation.GetSiteLocation().Latitude *scaleToDegrees; double longitudeInDeg = projLocation.GetSiteLocation().Longitude *scaleToDegrees; ExporterUtil.GetSafeProjectPositionElevation(doc, out unscaledElevation); int latDeg = ((int)latitudeInDeg); latitudeInDeg -= latDeg; latitudeInDeg *= 60; int latMin = ((int)latitudeInDeg); latitudeInDeg -= latMin; latitudeInDeg *= 60; int latSec = ((int)latitudeInDeg); latitudeInDeg -= latSec; latitudeInDeg *= 1000000; int latFracSec = ((int)latitudeInDeg); latitude.Add(latDeg); latitude.Add(latMin); latitude.Add(latSec); if (!ExporterCacheManager.ExportOptionsCache.ExportAs2x2) { latitude.Add(latFracSec); } int longDeg = ((int)longitudeInDeg); longitudeInDeg -= longDeg; longitudeInDeg *= 60; int longMin = ((int)longitudeInDeg); longitudeInDeg -= longMin; longitudeInDeg *= 60; int longSec = ((int)longitudeInDeg); longitudeInDeg -= longSec; longitudeInDeg *= 1000000; int longFracSec = ((int)longitudeInDeg); longitude.Add(longDeg); longitude.Add(longMin); longitude.Add(longSec); if (!ExporterCacheManager.ExportOptionsCache.ExportAs2x2) { longitude.Add(longFracSec); } ExportOptionsCache.SiteTransformBasis transformBasis = ExporterCacheManager.ExportOptionsCache.SiteTransformation; Transform siteSharedCoordinatesTrf = Transform.Identity; if (transformBasis != ExportOptionsCache.SiteTransformBasis.Internal) { BasePoint basePoint = null; if (transformBasis == ExportOptionsCache.SiteTransformBasis.Project) { basePoint = new FilteredElementCollector(doc).WherePasses(new ElementCategoryFilter(BuiltInCategory.OST_ProjectBasePoint)).First() as BasePoint; } else if (transformBasis == ExportOptionsCache.SiteTransformBasis.Site) { basePoint = new FilteredElementCollector(doc).WherePasses(new ElementCategoryFilter(BuiltInCategory.OST_SharedBasePoint)).First() as BasePoint; } if (basePoint != null) { BoundingBoxXYZ bbox = basePoint.get_BoundingBox(null); XYZ xyz = bbox.Min; siteSharedCoordinatesTrf = Transform.CreateTranslation(new XYZ(-xyz.X, -xyz.Y, unscaledElevation - xyz.Z)); } else { siteSharedCoordinatesTrf = projLocation.GetTransform().Inverse; } } if (!siteSharedCoordinatesTrf.IsIdentity) { double unscaledSiteElevation = ExporterCacheManager.ExportOptionsCache.IncludeSiteElevation ? 0.0 : unscaledElevation; XYZ orig = UnitUtil.ScaleLength(siteSharedCoordinatesTrf.Origin - new XYZ(0, 0, unscaledSiteElevation)); relativePlacement = ExporterUtil.CreateAxis2Placement3D(file, orig, siteSharedCoordinatesTrf.BasisZ, siteSharedCoordinatesTrf.BasisX); } } // Get elevation for site. double elevation = UnitUtil.ScaleLength(unscaledElevation); if (IFCAnyHandleUtil.IsNullOrHasNoValue(relativePlacement)) { relativePlacement = ExporterUtil.CreateAxis2Placement3D(file); } IFCAnyHandle localPlacement = IFCInstanceExporter.CreateLocalPlacement(file, null, relativePlacement); IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle; string siteObjectType = NamingUtil.CreateIFCObjectName(exporterIFC, element); ProjectInfo projectInfo = doc.ProjectInformation; Element mainSiteElement = (element != null) ? element : projectInfo; bool exportSite = false; string siteGUID = null; string siteName = null; string siteLongName = null; string siteLandTitleNumber = null; string siteDescription = null; if (element != null) { if (IFCAnyHandleUtil.IsNullOrHasNoValue(siteHandle)) { exportSite = true; // We will use the Project Information site name as the primary name, if it exists. siteGUID = GUIDUtil.CreateSiteGUID(doc, element); siteName = NamingUtil.GetOverrideStringValue(projectInfo, "SiteName", NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element))); siteDescription = NamingUtil.GetDescriptionOverride(element, null); // Look in site element for "IfcLongName" or project information for either "IfcLongName" or "SiteLongName". siteLongName = NamingUtil.GetLongNameOverride(projectInfo, NamingUtil.GetLongNameOverride(element, null)); if (string.IsNullOrWhiteSpace(siteLongName)) { siteLongName = NamingUtil.GetOverrideStringValue(projectInfo, "SiteLongName", null); } // Look in site element for "IfcLandTitleNumber" or project information for "SiteLandTitleNumber". siteLandTitleNumber = NamingUtil.GetOverrideStringValue(element, "IfcLandTitleNumber", null); if (string.IsNullOrWhiteSpace(siteLandTitleNumber)) { siteLandTitleNumber = NamingUtil.GetOverrideStringValue(projectInfo, "SiteLandTitleNumber", null); } } } else { exportSite = true; siteGUID = GUIDUtil.CreateProjectLevelGUID(doc, IFCProjectLevelGUIDType.Site); siteName = NamingUtil.GetOverrideStringValue(projectInfo, "SiteName", "Default"); siteLongName = NamingUtil.GetLongNameOverride(projectInfo, NamingUtil.GetOverrideStringValue(projectInfo, "SiteLongName", null)); siteLandTitleNumber = NamingUtil.GetOverrideStringValue(projectInfo, "SiteLandTitleNumber", null); // don't bother if we have nothing in the site whatsoever. if ((latitude.Count == 0 || longitude.Count == 0) && IFCAnyHandleUtil.IsNullOrHasNoValue(relativePlacement) && string.IsNullOrWhiteSpace(siteLongName) && string.IsNullOrWhiteSpace(siteLandTitleNumber)) { return; } } COBieProjectInfo cobieProjectInfo = ExporterCacheManager.ExportOptionsCache.COBieProjectInfo; // Override Site information when it is a special COBie export if (ExporterCacheManager.ExportOptionsCache.ExportAs2x3COBIE24DesignDeliverable && cobieProjectInfo != null) { siteName = cobieProjectInfo.SiteLocation; siteDescription = cobieProjectInfo.SiteDescription; } if (exportSite) { bool assignToBldg = false; bool assignToSite = false; IFCAnyHandle address = Exporter.CreateIFCAddress(file, doc, projectInfo, out assignToBldg, out assignToSite); if (!assignToSite) { address = null; } siteHandle = IFCInstanceExporter.CreateSite(exporterIFC, element, siteGUID, ownerHistory, siteName, siteDescription, localPlacement, siteRepresentation, siteLongName, IFCElementComposition.Element, latitude, longitude, elevation, siteLandTitleNumber, address); productWrapper.AddSite(mainSiteElement, siteHandle); ExporterCacheManager.SiteHandle = siteHandle; } tr.Commit(); } }
/// <summary> /// Exports an element to IfcPile. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="element">The element.</param> /// <param name="geometryElement">The geometry element.</param> /// <param name="ifcEnumType">The string value represents the IFC type.</param> /// <param name="productWrapper">The ProductWrapper.</param> public static void ExportPile(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, string ifcEnumType, ProductWrapper productWrapper) { // export parts or not bool exportParts = PartExporter.CanExportParts(element); if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.LevelId, false)) { return; } IFCFile file = exporterIFC.GetFile(); using (IFCTransaction tr = new IFCTransaction(file)) { using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element)) { using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData()) { ecData.SetLocalPlacement(setter.LocalPlacement); IFCAnyHandle prodRep = null; ElementId matId = ElementId.InvalidElementId; if (!exportParts) { ElementId catId = CategoryUtil.GetSafeCategoryId(element); matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, element); BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow); prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element, catId, geometryElement, bodyExporterOptions, null, ecData, true); if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep)) { ecData.ClearOpenings(); return; } } string instanceGUID = GUIDUtil.CreateGUID(element); string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element)); string instanceDescription = NamingUtil.GetDescriptionOverride(element, null); string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName()); string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element)); string pileType = IFCValidateEntry.GetValidIFCType(element, ifcEnumType); IFCAnyHandle pile = IFCInstanceExporter.CreatePile(file, instanceGUID, ExporterCacheManager.OwnerHistoryHandle, instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(), prodRep, instanceTag, pileType, null); if (exportParts) { PartExporter.ExportHostPart(exporterIFC, element, pile, productWrapper, setter, setter.LocalPlacement, null); } else { if (matId != ElementId.InvalidElementId) { CategoryUtil.CreateMaterialAssociation(exporterIFC, pile, matId); } } productWrapper.AddElement(element, pile, setter, ecData, true); OpeningUtil.CreateOpeningsIfNecessary(pile, element, ecData, null, exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper); } } tr.Commit(); } }
/// <summary> /// Exports an element as IFC covering. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="element">The element to be exported.</param> /// <param name="geometryElement">The geometry element.</param> /// <param name="productWrapper">The ProductWrapper.</param> public static void ExportCovering(ExporterIFC exporterIFC, Element element, GeometryElement geomElem, string ifcEnumType, ProductWrapper productWrapper) { bool exportParts = PartExporter.CanExportParts(element); if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.LevelId, false)) { return; } ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType; IFCFile file = exporterIFC.GetFile(); using (IFCTransaction transaction = new IFCTransaction(file)) { using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element)) { using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData()) { ElementId categoryId = CategoryUtil.GetSafeCategoryId(element); IFCAnyHandle prodRep = null; if (!exportParts) { ecData.SetLocalPlacement(setter.LocalPlacement); ecData.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ; BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow); prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element, categoryId, geomElem, bodyExporterOptions, null, ecData, true); if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep)) { ecData.ClearOpenings(); return; } } // We will use the category of the element to set a default value for the covering. string defaultCoveringEnumType = null; if (categoryId == new ElementId(BuiltInCategory.OST_Ceilings)) { defaultCoveringEnumType = "CEILING"; } else if (categoryId == new ElementId(BuiltInCategory.OST_Floors)) { defaultCoveringEnumType = "FLOORING"; } else if (categoryId == new ElementId(BuiltInCategory.OST_Roofs)) { defaultCoveringEnumType = "ROOFING"; } string instanceGUID = GUIDUtil.CreateGUID(element); string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element)); string instanceDescription = NamingUtil.GetDescriptionOverride(element, null); string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName()); string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element)); string coveringType = IFCValidateEntry.GetValidIFCType(element, ifcEnumType, defaultCoveringEnumType); IFCAnyHandle covering = IFCInstanceExporter.CreateCovering(file, instanceGUID, ExporterCacheManager.OwnerHistoryHandle, instanceName, instanceDescription, instanceObjectType, setter.LocalPlacement, prodRep, instanceTag, coveringType); if (exportParts) { PartExporter.ExportHostPart(exporterIFC, element, covering, productWrapper, setter, setter.LocalPlacement, null); } bool containInSpace = false; IFCAnyHandle localPlacementToUse = setter.LocalPlacement; // Ceiling containment in Space is generally required and not specific to any view if (ExporterCacheManager.CeilingSpaceRelCache.ContainsKey(element.Id)) { IList <ElementId> roomlist = ExporterCacheManager.CeilingSpaceRelCache[element.Id]; // Process Ceiling to be contained in a Space only when it is exactly bounding one Space if (roomlist.Count == 1) { productWrapper.AddElement(element, covering, setter, null, false); // Modify the Ceiling placement to be relative to the Space that it bounds IFCAnyHandle roomPlacement = IFCAnyHandleUtil.GetObjectPlacement(ExporterCacheManager.SpaceInfoCache.FindSpaceHandle(roomlist[0])); Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(roomPlacement, localPlacementToUse); Transform inverseTrf = relTrf.Inverse; IFCAnyHandle relLocalPlacement = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX); IFCAnyHandleUtil.SetAttribute(localPlacementToUse, "PlacementRelTo", roomPlacement); GeometryUtil.SetRelativePlacement(localPlacementToUse, relLocalPlacement); ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomlist[0], covering); containInSpace = true; } } // if not contained in Space, assign it to default containment in Level if (!containInSpace) { productWrapper.AddElement(element, covering, setter, null, true); } if (!exportParts) { Ceiling ceiling = element as Ceiling; if (ceiling != null) { HostObjectExporter.ExportHostObjectMaterials(exporterIFC, ceiling, covering, geomElem, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, null); } else { ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geomElem, exporterIFC, element); CategoryUtil.CreateMaterialAssociation(exporterIFC, covering, matId); } } OpeningUtil.CreateOpeningsIfNecessary(covering, element, ecData, null, exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper); } } transaction.Commit(); } }
/// <summary> /// Exports 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 <DelayedProductWrapper> createdRebars = new HashSet <DelayedProductWrapper>(); if (element is Rebar) { createdRebars = 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); ISet <DelayedProductWrapper> newlyCreatedRebars = ExportRebar(exporterIFC, rebarInSystem, productWrapper); if (newlyCreatedRebars != null) { createdRebars.UnionWith(newlyCreatedRebars); } } } 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); ISet <DelayedProductWrapper> newlyCreatedRebars = ExportRebar(exporterIFC, rebarInSystem, productWrapper); if (newlyCreatedRebars != null) { createdRebars.UnionWith(newlyCreatedRebars); } } } else if (element is RebarContainer) { int itemIndex = 1; RebarContainer rebarContainer = element as RebarContainer; foreach (RebarContainerItem rebarContainerItem in rebarContainer) { ISet <DelayedProductWrapper> newlyCreatedRebars = ExportRebar(exporterIFC, rebarContainerItem, rebarContainer, itemIndex, productWrapper); if (newlyCreatedRebars != null) { itemIndex += createdRebars.Count; createdRebars.UnionWith(newlyCreatedRebars); } } } if (createdRebars != null && createdRebars.Count != 0) { string guid = GUIDUtil.CreateGUID(element); // Create a group to hold all of the created IFC entities, if the rebars aren't already in an assembly or a group. // We want to avoid nested groups of groups of rebars. bool relateToLevel = true; bool groupRebarHandles = (createdRebars.Count != 1); foreach (DelayedProductWrapper delayedProductWrapper in createdRebars) { if (ElementIsContainedInAssembly(delayedProductWrapper.RebarElement)) { groupRebarHandles = false; relateToLevel = false; break; } } ISet <IFCAnyHandle> createdRebarHandles = new HashSet <IFCAnyHandle>(); foreach (DelayedProductWrapper delayedProductWrapper in createdRebars) { IFCAnyHandle currentRebarHandle = delayedProductWrapper.ElementHandle; productWrapper.AddElement(delayedProductWrapper.RebarElement, currentRebarHandle, delayedProductWrapper.LevelInfo, null, relateToLevel); createdRebarHandles.Add(currentRebarHandle); } if (createdRebars.Count > 1) { if (groupRebarHandles) { // Check the intended IFC entity or type name is in the exclude list specified in the UI Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcGroup; if (!ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum)) { IFCFile file = exporterIFC.GetFile(); using (IFCTransaction tr = new IFCTransaction(file)) { IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle; string revitObjectType = NamingUtil.GetFamilyAndTypeName(element); 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, createdRebarHandles, null, rebarGroup); tr.Commit(); } } } } else { // We will update the GUID of the one created IfcReinforcingElement to be the element GUID. // This will allow the IfcGUID parameter to be use/set if appropriate. ExporterUtil.SetGlobalId(createdRebarHandles.ElementAt(0), guid); } } }
/// <summary> /// Exports a Rebar Coupler, /// </summary> /// <param name="exporterIFC">The exporter.</param> /// <param name="coupler">The RebarCoupler element.</param> /// <param name="productWrapper">The product wrapper.</param> public static void ExportCoupler(ExporterIFC exporterIFC, RebarCoupler coupler, ProductWrapper productWrapper) { if (coupler == null) { return; } FamilySymbol familySymbol = ExporterCacheManager.Document.GetElement(coupler.GetTypeId()) as FamilySymbol; if (familySymbol == null) { return; } // Check the intended IFC entity or type name is in the exclude list specified in the UI Common.Enums.IFCEntityType elementClassTypeEnum; if (Enum.TryParse <Common.Enums.IFCEntityType>("IfcMechanicalFastener", out elementClassTypeEnum)) { if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum)) { return; } } ElementId categoryId = CategoryUtil.GetSafeCategoryId(coupler); IFCFile file = exporterIFC.GetFile(); IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle; Options options = GeometryUtil.GetIFCExportGeometryOptions();; string ifcEnumType; IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, coupler, out ifcEnumType); using (IFCTransaction tr = new IFCTransaction(file)) { FamilyTypeInfo currentTypeInfo = ExporterCacheManager.TypeObjectsCache.Find(coupler.GetTypeId(), false, exportType); bool found = currentTypeInfo.IsValid(); if (!found) { string typeGUID = GUIDUtil.CreateGUID(familySymbol); string typeName = NamingUtil.GetIFCName(familySymbol); string typeObjectType = NamingUtil.CreateIFCObjectName(exporterIFC, familySymbol); string applicableOccurance = NamingUtil.GetObjectTypeOverride(familySymbol, typeObjectType); string typeDescription = NamingUtil.GetDescriptionOverride(familySymbol, null); string typeElemId = NamingUtil.CreateIFCElementId(familySymbol); HashSet <IFCAnyHandle> propertySetsOpt = new HashSet <IFCAnyHandle>(); GeometryElement exportGeometry = familySymbol.get_Geometry(options); BodyData bodyData = null; BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow); bodyData = BodyExporter.ExportBody(exporterIFC, coupler, categoryId, ElementId.InvalidElementId, exportGeometry, bodyExporterOptions, null); List <IFCAnyHandle> repMap = new List <IFCAnyHandle>(); IFCAnyHandle origin = ExporterUtil.CreateAxis2Placement3D(file);; repMap.Add(IFCInstanceExporter.CreateRepresentationMap(file, origin, bodyData.RepresentationHnd)); IFCAnyHandle styleHandle = FamilyExporterUtil.ExportGenericType(exporterIFC, exportType, ifcEnumType, typeGUID, typeName, typeDescription, applicableOccurance, propertySetsOpt, repMap, typeElemId, typeName, coupler, familySymbol); if (!IFCAnyHandleUtil.IsNullOrHasNoValue(styleHandle)) { currentTypeInfo.Style = styleHandle; ExporterCacheManager.TypeObjectsCache.Register(coupler.GetTypeId(), false, exportType, currentTypeInfo); } } int nCouplerQuantity = coupler.GetCouplerQuantity(); if (nCouplerQuantity <= 0) { return; } ISet <IFCAnyHandle> createdRebarCouplerHandles = new HashSet <IFCAnyHandle>(); string origInstanceName = NamingUtil.GetNameOverride(coupler, NamingUtil.GetIFCName(coupler)); for (int idx = 0; idx < nCouplerQuantity; idx++) { string instanceGUID = GUIDUtil.CreateSubElementGUID(coupler, idx); string instanceName = NamingUtil.GetNameOverride(coupler, origInstanceName + ": " + idx); string objectType = NamingUtil.CreateIFCObjectName(exporterIFC, coupler); string instanceObjectType = NamingUtil.GetObjectTypeOverride(coupler, objectType); string instanceDescription = NamingUtil.GetDescriptionOverride(coupler, null); string instanceElemId = NamingUtil.CreateIFCElementId(coupler); string instanceTag = NamingUtil.GetTagOverride(coupler, NamingUtil.CreateIFCElementId(coupler)); IFCAnyHandle style = currentTypeInfo.Style; if (IFCAnyHandleUtil.IsNullOrHasNoValue(style)) { return; } IList <IFCAnyHandle> repMapList = GeometryUtil.GetRepresentationMaps(style); if (repMapList == null) { return; } if (repMapList.Count == 0) { return; } IList <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>(); IFCAnyHandle contextOfItems3d = exporterIFC.Get3DContextHandle("Body"); ISet <IFCAnyHandle> representations = new HashSet <IFCAnyHandle>(); representations.Add(ExporterUtil.CreateDefaultMappedItem(file, repMapList[0], XYZ.Zero)); IFCAnyHandle shapeRep = RepresentationUtil.CreateBodyMappedItemRep(exporterIFC, coupler, categoryId, contextOfItems3d, representations); shapeReps.Add(shapeRep); IFCAnyHandle productRepresentation = IFCInstanceExporter.CreateProductDefinitionShape(exporterIFC.GetFile(), null, null, shapeReps); Transform trf = coupler.GetCouplerPositionTransform(idx); using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, coupler, trf, null)) { IFCAnyHandle instanceHandle = null; instanceHandle = IFCInstanceExporter.CreateGenericIFCEntity(Common.Enums.IFCEntityType.IfcMechanicalFastener, file, instanceGUID, ownerHistory, instanceName, instanceDescription, instanceObjectType, setter.LocalPlacement, productRepresentation, instanceTag); if (ExporterCacheManager.ExportOptionsCache.ExportAs4) { // In IFC4 NominalDiameter and NominalLength attributes have been deprecated. PredefinedType attribute was added. IFCAnyHandleUtil.SetAttribute(instanceHandle, "PredefinedType", Revit.IFC.Export.Toolkit.IFC4.IFCMechanicalFastenerType.USERDEFINED); } else { IFCAnyHandleUtil.SetAttribute(instanceHandle, "NominalDiameter", familySymbol.get_Parameter(BuiltInParameter.COUPLER_WIDTH).AsDouble()); IFCAnyHandleUtil.SetAttribute(instanceHandle, "NominalLength", familySymbol.get_Parameter(BuiltInParameter.COUPLER_LENGTH).AsDouble()); } createdRebarCouplerHandles.Add(instanceHandle); productWrapper.AddElement(coupler, instanceHandle, setter, null, true); } } string couplerGUID = GUIDUtil.CreateGUID(coupler); if (nCouplerQuantity > 1) { // Create a group to hold all of the created IFC entities, if the coupler aren't already in an assembly. // We want to avoid nested groups of groups of couplers. if (coupler.AssemblyInstanceId == ElementId.InvalidElementId) { string revitObjectType = exporterIFC.GetFamilyName(); string name = NamingUtil.GetNameOverride(coupler, revitObjectType); string description = NamingUtil.GetDescriptionOverride(coupler, null); string objectType = NamingUtil.GetObjectTypeOverride(coupler, revitObjectType); IFCAnyHandle rebarGroup = IFCInstanceExporter.CreateGroup(file, couplerGUID, ownerHistory, name, description, objectType); productWrapper.AddElement(coupler, rebarGroup); IFCInstanceExporter.CreateRelAssignsToGroup(file, GUIDUtil.CreateGUID(), ownerHistory, null, null, createdRebarCouplerHandles, null, rebarGroup); } } else { // We will update the GUID of the one created element to be the element GUID. // This will allow the IfcGUID parameter to be use/set if appropriate. ExporterUtil.SetGlobalId(createdRebarCouplerHandles.ElementAt(0), couplerGUID); } tr.Commit(); } }
/// <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> /// 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); } // Check the intended IFC entity or type name is in the exclude list specified in the UI Common.Enums.IFCEntityType elementClassTypeEnum = Common.Enums.IFCEntityType.IfcGroup; if (ExporterCacheManager.ExportOptionsCache.IsElementInExcludeList(elementClassTypeEnum)) { return(false); } IFCFile file = exporterIFC.GetFile(); using (IFCTransaction tr = new IFCTransaction(file)) { IFCAnyHandle groupHnd = null; string guid = GUIDUtil.CreateGUID(element); IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle; string name = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element)); string description = NamingUtil.GetDescriptionOverride(element, null); string objectType = NamingUtil.GetObjectTypeOverride(element, NamingUtil.GetFamilyAndTypeName(element)); string longName = NamingUtil.GetLongNameOverride(element, null); string ifcEnumType; IFCExportInfoPair exportAs = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType); if (exportAs.ExportInstance == IFCEntityType.IfcGroup) { groupHnd = IFCInstanceExporter.CreateGroup(file, guid, ownerHistory, name, description, objectType); } else if (!ExporterCacheManager.ExportOptionsCache.ExportAsOlderThanIFC4) { if (exportAs.ExportInstance == IFCEntityType.IfcBuildingSystem) { groupHnd = IFCInstanceExporter.CreateBuildingSystem(file, exportAs, guid, ownerHistory, name, description, objectType, longName); } else if (exportAs.ExportInstance == IFCEntityType.IfcFurniture) { groupHnd = IFCInstanceExporter.CreateGenericIFCEntity(exportAs, exporterIFC, element, guid, ownerHistory, null, null); } } if (groupHnd == null) { return(false); } GroupInfo groupInfo = ExporterCacheManager.GroupCache.RegisterGroup(element.Id, groupHnd); if (IFCAnyHandleUtil.IsSubTypeOf(groupHnd, IFCEntityType.IfcProduct)) { IFCAnyHandle overrideContainerHnd = null; ElementId overrideContainerId = ParameterUtil.OverrideContainmentParameter(exporterIFC, element, out overrideContainerHnd); using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, null, null, overrideContainerId, overrideContainerHnd)) { IFCAnyHandle localPlacementToUse; ElementId roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse); bool containedInSpace = (roomId != ElementId.InvalidElementId); productWrapper.AddElement(element, groupHnd, setter.LevelInfo, null, !containedInSpace, exportAs); if (containedInSpace) { ExporterCacheManager.SpaceInfoCache.RelateToSpace(roomId, groupHnd); } } } else { productWrapper.AddElement(element, groupHnd, exportAs); } // Check or set the cached Group's export type if (groupInfo.GroupType.ExportInstance == IFCEntityType.UnKnown) { ExporterCacheManager.GroupCache.RegisterGroupType(element.Id, exportAs); } else if (groupInfo.GroupType.ExportInstance != exportAs.ExportInstance) { throw new InvalidOperationException("Inconsistent Group export entity type"); } tr.Commit(); return(true); } }
/// <summary> /// Exports a roof or floor as a container of multiple roof slabs. Returns the handle, if successful. /// </summary> /// <param name="exporterIFC">The exporter.</param> /// <param name="ifcEnumType">The roof type.</param> /// <param name="element">The roof or floor element.</param> /// <param name="geometry">The geometry of the element.</param> /// <param name="productWrapper">The product wrapper.</param> /// <returns>The roof handle.</returns> /// <remarks>For floors, if there is only one component, return null, as we do not want to create a container.</remarks> public static IFCAnyHandle ExportRoofOrFloorAsContainer(ExporterIFC exporterIFC, string ifcEnumType, Element element, GeometryElement geometry, ProductWrapper productWrapper) { IFCFile file = exporterIFC.GetFile(); // We support ExtrusionRoofs, FootPrintRoofs, and Floors only. bool elementIsRoof = (element is ExtrusionRoof) || (element is FootPrintRoof); bool elementIsFloor = (element is Floor); if (!elementIsRoof && !elementIsFloor) { return(null); } using (IFCTransaction transaction = new IFCTransaction(file)) { using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element)) { IFCAnyHandle localPlacement = setter.LocalPlacement; IList <HostObjectSubcomponentInfo> hostObjectSubcomponents = null; try { hostObjectSubcomponents = ExporterIFCUtils.ComputeSubcomponents(element as HostObject); } catch { return(null); } if (hostObjectSubcomponents == null) { return(null); } int numSubcomponents = hostObjectSubcomponents.Count; if (numSubcomponents == 0 || (elementIsFloor && numSubcomponents == 1)) { return(null); } try { using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData()) { IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle; extrusionCreationData.SetLocalPlacement(localPlacement); extrusionCreationData.ReuseLocalPlacement = true; using (TransformSetter trfSetter = TransformSetter.Create()) { IList <GeometryObject> geometryList = new List <GeometryObject>(); geometryList.Add(geometry); trfSetter.InitializeFromBoundingBox(exporterIFC, geometryList, extrusionCreationData); IFCAnyHandle prodRepHnd = null; string elementGUID = GUIDUtil.CreateGUID(element); string elementName = NamingUtil.GetIFCName(element); string elementDescription = NamingUtil.GetDescriptionOverride(element, null); string elementObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName()); string elementId = NamingUtil.CreateIFCElementId(element); string hostObjectType = IFCValidateEntry.GetValidIFCType(element, ifcEnumType); IFCAnyHandle hostObjectHandle = null; if (elementIsRoof) { hostObjectHandle = IFCInstanceExporter.CreateRoof(file, elementGUID, ownerHistory, elementName, elementDescription, elementObjectType, localPlacement, prodRepHnd, elementId, hostObjectType); } else { hostObjectHandle = IFCInstanceExporter.CreateSlab(file, elementGUID, ownerHistory, elementName, elementDescription, elementObjectType, localPlacement, prodRepHnd, elementId, hostObjectType); } if (IFCAnyHandleUtil.IsNullOrHasNoValue(hostObjectHandle)) { return(null); } IList <IFCAnyHandle> elementHandles = new List <IFCAnyHandle>(); elementHandles.Add(hostObjectHandle); // If element is floor, then the profile curve loop of hostObjectSubComponent is computed from the top face of the floor // else if element is roof, then the profile curve loop is taken from the bottom face of the roof instead XYZ extrusionDir = elementIsFloor ? new XYZ(0, 0, -1) : new XYZ(0, 0, 1); ElementId catId = CategoryUtil.GetSafeCategoryId(element); IList <IFCAnyHandle> slabHandles = new List <IFCAnyHandle>(); IList <CurveLoop> hostObjectOpeningLoops = new List <CurveLoop>(); double maximumScaledDepth = 0.0; using (IFCExtrusionCreationData slabExtrusionCreationData = new IFCExtrusionCreationData()) { slabExtrusionCreationData.SetLocalPlacement(extrusionCreationData.GetLocalPlacement()); slabExtrusionCreationData.ReuseLocalPlacement = false; slabExtrusionCreationData.ForceOffset = true; int loopNum = 0; int subElementStart = elementIsRoof ? (int)IFCRoofSubElements.RoofSlabStart : (int)IFCSlabSubElements.SubSlabStart; string subSlabType = elementIsRoof ? "ROOF" : hostObjectType; foreach (HostObjectSubcomponentInfo hostObjectSubcomponent in hostObjectSubcomponents) { trfSetter.InitializeFromBoundingBox(exporterIFC, geometryList, slabExtrusionCreationData); Plane plane = hostObjectSubcomponent.GetPlane(); IList <CurveLoop> curveLoops = new List <CurveLoop>(); CurveLoop slabCurveLoop = hostObjectSubcomponent.GetCurveLoop(); curveLoops.Add(slabCurveLoop); double slope = Math.Abs(plane.Normal.Z); double scaledDepth = UnitUtil.ScaleLength(hostObjectSubcomponent.Depth); double scaledExtrusionDepth = scaledDepth * slope; IFCAnyHandle shapeRep = ExtrusionExporter.CreateExtrudedSolidFromCurveLoop(exporterIFC, null, curveLoops, plane, extrusionDir, scaledExtrusionDepth, false); if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep)) { return(null); } ElementId matId = HostObjectExporter.GetFirstLayerMaterialId(element as HostObject); BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, element.Document, shapeRep, matId); HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>(); bodyItems.Add(shapeRep); shapeRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, element, catId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null); IList <IFCAnyHandle> shapeReps = new List <IFCAnyHandle>(); shapeReps.Add(shapeRep); IFCAnyHandle repHnd = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps); // Allow support for up to 256 named IfcSlab components, as defined in IFCSubElementEnums.cs. string slabGUID = (loopNum < 256) ? GUIDUtil.CreateSubElementGUID(element, subElementStart + loopNum) : GUIDUtil.CreateGUID(); IFCAnyHandle slabPlacement = ExporterUtil.CreateLocalPlacement(file, slabExtrusionCreationData.GetLocalPlacement(), null); IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, slabGUID, ownerHistory, elementName, elementDescription, elementObjectType, slabPlacement, repHnd, elementId, subSlabType); //slab quantities slabExtrusionCreationData.ScaledLength = scaledExtrusionDepth; slabExtrusionCreationData.ScaledArea = UnitUtil.ScaleArea(UnitUtil.ScaleArea(hostObjectSubcomponent.AreaOfCurveLoop)); slabExtrusionCreationData.ScaledOuterPerimeter = UnitUtil.ScaleLength(curveLoops[0].GetExactLength()); slabExtrusionCreationData.Slope = UnitUtil.ScaleAngle(MathUtil.SafeAcos(Math.Abs(slope))); productWrapper.AddElement(null, slabHnd, setter, slabExtrusionCreationData, false); elementHandles.Add(slabHnd); slabHandles.Add(slabHnd); hostObjectOpeningLoops.Add(slabCurveLoop); maximumScaledDepth = Math.Max(maximumScaledDepth, scaledDepth); loopNum++; } } productWrapper.AddElement(element, hostObjectHandle, setter, extrusionCreationData, true); ExporterUtil.RelateObjects(exporterIFC, null, hostObjectHandle, slabHandles); OpeningUtil.AddOpeningsToElement(exporterIFC, elementHandles, hostObjectOpeningLoops, element, null, maximumScaledDepth, null, setter, localPlacement, productWrapper); transaction.Commit(); return(hostObjectHandle); } } } finally { exporterIFC.ClearFaceWithElementHandleMap(); } } } }
/// <summary> /// Exports a generic element as an IfcSlab.</summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="floor">The floor element.</param> /// <param name="geometryElement">The geometry element.</param> /// <param name="ifcEnumType">The string value represents the IFC type.</param> /// <param name="productWrapper">The ProductWrapper.</param> /// <returns>True if the floor is exported successfully, false otherwise.</returns> public static void ExportGenericSlab(ExporterIFC exporterIFC, Element slabElement, GeometryElement geometryElement, string ifcEnumType, ProductWrapper productWrapper) { if (geometryElement == null) { return; } IFCFile file = exporterIFC.GetFile(); using (IFCTransaction tr = new IFCTransaction(file)) { using (IFCTransformSetter transformSetter = IFCTransformSetter.Create()) { using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, slabElement)) { using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData()) { bool exportParts = PartExporter.CanExportParts(slabElement); IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle(); IFCAnyHandle localPlacement = placementSetter.LocalPlacement; IFCAnyHandle prodDefHnd = null; bool isBRepSlabHnd = false; if (!exportParts) { ecData.SetLocalPlacement(localPlacement); ElementId catId = CategoryUtil.GetSafeCategoryId(slabElement); BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true); bodyExporterOptions.TessellationLevel = BodyExporter.GetTessellationLevel(); BodyData bodyData; prodDefHnd = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, slabElement, catId, geometryElement, bodyExporterOptions, null, ecData, out bodyData); if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodDefHnd)) { ecData.ClearOpenings(); return; } isBRepSlabHnd = (bodyData.ShapeRepresentationType == ShapeRepresentationType.Brep); } // Create the slab from either the extrusion or the BRep information. string ifcGUID = GUIDUtil.CreateGUID(slabElement); string entityType = IFCValidateEntry.GetValidIFCType <IFCSlabType>(slabElement, ifcEnumType, "FLOOR"); string ifcName = NamingUtil.GetNameOverride(slabElement, NamingUtil.GetIFCName(slabElement)); string ifcDescription = NamingUtil.GetDescriptionOverride(slabElement, null); string ifcObjectType = NamingUtil.GetObjectTypeOverride(slabElement, exporterIFC.GetFamilyName()); string ifcTag = NamingUtil.GetTagOverride(slabElement, NamingUtil.CreateIFCElementId(slabElement)); IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, ifcGUID, ownerHistory, ifcName, ifcDescription, ifcObjectType, localPlacement, exportParts ? null : prodDefHnd, ifcTag, entityType); if (IFCAnyHandleUtil.IsNullOrHasNoValue(slabHnd)) { return; } if (exportParts) { PartExporter.ExportHostPart(exporterIFC, slabElement, slabHnd, productWrapper, placementSetter, localPlacement, null); } productWrapper.AddElement(slabElement, slabHnd, placementSetter, ecData, true); if (!exportParts) { if (slabElement is HostObject) { HostObject hostObject = slabElement as HostObject; HostObjectExporter.ExportHostObjectMaterials(exporterIFC, hostObject, slabHnd, geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, isBRepSlabHnd); } else if (slabElement is FamilyInstance) { ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, slabElement); Document doc = slabElement.Document; CategoryUtil.CreateMaterialAssociation(exporterIFC, slabHnd, matId); } OpeningUtil.CreateOpeningsIfNecessary(slabHnd, slabElement, ecData, null, exporterIFC, ecData.GetLocalPlacement(), placementSetter, productWrapper); } } } tr.Commit(); return; } } }
/// <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> /// Exports an element as an IfcReinforcingMesh. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="element">The element.</param> /// <param name="geometryElement">The geometry element.</param> /// <param name="productWrapper">The ProductWrapper.</param> /// <returns>True if exported successfully, false otherwise.</returns> public static bool ExportFabricSheet(ExporterIFC exporterIFC, FabricSheet sheet, GeometryElement geometryElement, ProductWrapper productWrapper) { if (sheet == null || geometryElement == null) { return(false); } Document doc = sheet.Document; IFCFile file = exporterIFC.GetFile(); using (IFCTransaction tr = new IFCTransaction(file)) { using (PlacementSetter placementSetter = PlacementSetter.Create(exporterIFC, sheet)) { using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData()) { ecData.SetLocalPlacement(placementSetter.LocalPlacement); ElementId categoryId = CategoryUtil.GetSafeCategoryId(sheet); ElementId materialId = ElementId.InvalidElementId; ParameterUtil.GetElementIdValueFromElementOrSymbol(sheet, BuiltInParameter.MATERIAL_ID_PARAM, out materialId); string guid = GUIDUtil.CreateGUID(sheet); IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle(); string revitObjectType = exporterIFC.GetFamilyName(); string name = NamingUtil.GetNameOverride(sheet, revitObjectType); string description = NamingUtil.GetDescriptionOverride(sheet, null); string objectType = NamingUtil.GetObjectTypeOverride(sheet, revitObjectType); IFCAnyHandle localPlacement = ecData.GetLocalPlacement(); string elementTag = NamingUtil.CreateIFCElementId(sheet); string steelGrade = NamingUtil.GetOverrideStringValue(sheet, "SteelGrade", null); double?meshLength = sheet.CutOverallLength; double?meshWidth = sheet.CutOverallWidth; Element fabricSheetTypeElem = doc.GetElement(sheet.GetTypeId()); FabricSheetType fabricSheetType = (fabricSheetTypeElem == null) ? null : (fabricSheetTypeElem as FabricSheetType); double longitudinalBarNominalDiameter = 0.0; double transverseBarNominalDiameter = 0.0; double longitudinalBarCrossSectionArea = 0.0; double transverseBarCrossSectionArea = 0.0; double longitudinalBarSpacing = 0.0; double transverseBarSpacing = 0.0; if (fabricSheetType != null) { Element majorFabricWireTypeElem = doc.GetElement(fabricSheetType.MajorDirectionWireType); FabricWireType majorFabricWireType = (majorFabricWireTypeElem == null) ? null : (majorFabricWireTypeElem as FabricWireType); if (majorFabricWireType != null) { longitudinalBarNominalDiameter = UnitUtil.ScaleLength(majorFabricWireType.WireDiameter); double localRadius = longitudinalBarNominalDiameter / 2.0; longitudinalBarCrossSectionArea = localRadius * localRadius * Math.PI; } Element minorFabricWireTypeElem = doc.GetElement(fabricSheetType.MinorDirectionWireType); FabricWireType minorFabricWireType = (minorFabricWireTypeElem == null) ? null : (minorFabricWireTypeElem as FabricWireType); if (minorFabricWireType != null) { transverseBarNominalDiameter = UnitUtil.ScaleLength(minorFabricWireType.WireDiameter); double localRadius = transverseBarNominalDiameter / 2.0; transverseBarCrossSectionArea = localRadius * localRadius * Math.PI; } longitudinalBarSpacing = UnitUtil.ScaleLength(fabricSheetType.MajorSpacing); transverseBarSpacing = UnitUtil.ScaleLength(fabricSheetType.MinorSpacing); } ISet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>(); IList <Curve> wireCenterlines = sheet.GetWireCenterlines(WireDistributionDirection.Major); foreach (Curve wireCenterline in wireCenterlines) { IFCAnyHandle bodyItem = CreateSweptDiskSolid(exporterIFC, file, wireCenterline, longitudinalBarNominalDiameter); if (!IFCAnyHandleUtil.IsNullOrHasNoValue(bodyItem)) { bodyItems.Add(bodyItem); } } wireCenterlines = sheet.GetWireCenterlines(WireDistributionDirection.Minor); foreach (Curve wireCenterline in wireCenterlines) { IFCAnyHandle bodyItem = CreateSweptDiskSolid(exporterIFC, file, wireCenterline, transverseBarNominalDiameter); if (!IFCAnyHandleUtil.IsNullOrHasNoValue(bodyItem)) { bodyItems.Add(bodyItem); } } IFCAnyHandle shapeRep = (bodyItems.Count > 0) ? RepresentationUtil.CreateAdvancedSweptSolidRep(exporterIFC, sheet, categoryId, exporterIFC.Get3DContextHandle("Body"), bodyItems, null) : null; IList <IFCAnyHandle> shapeReps = null; if (shapeRep != null) { shapeReps = new List <IFCAnyHandle>(); shapeReps.Add(shapeRep); } IFCAnyHandle prodRep = (shapeReps != null) ? IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps) : null; IFCAnyHandle fabricSheet = IFCInstanceExporter.CreateReinforcingMesh(file, guid, ownerHistory, name, description, objectType, localPlacement, prodRep, elementTag, steelGrade, meshLength, meshWidth, longitudinalBarNominalDiameter, transverseBarNominalDiameter, longitudinalBarCrossSectionArea, transverseBarCrossSectionArea, longitudinalBarSpacing, transverseBarSpacing); ElementId fabricAreaId = sheet.FabricAreaOwnerId; if (fabricAreaId != ElementId.InvalidElementId) { HashSet <IFCAnyHandle> fabricSheets = null; if (!ExporterCacheManager.FabricAreaHandleCache.TryGetValue(fabricAreaId, out fabricSheets)) { fabricSheets = new HashSet <IFCAnyHandle>(); ExporterCacheManager.FabricAreaHandleCache[fabricAreaId] = fabricSheets; } fabricSheets.Add(fabricSheet); } productWrapper.AddElement(sheet, fabricSheet, placementSetter.LevelInfo, ecData, true); CategoryUtil.CreateMaterialAssociation(exporterIFC, fabricSheet, materialId); } } tr.Commit(); return(true); } }
/// <summary> /// Exports an element as IFC railing. /// </summary> /// <param name="exporterIFC"> /// The ExporterIFC object. /// </param> /// <param name="element"> /// The element to be exported. /// </param> /// <param name="geometryElement"> /// The geometry element. /// </param> /// <param name="productWrapper"> /// The ProductWrapper. /// </param> public static void ExportRailing(ExporterIFC exporterIFC, Element element, GeometryElement geomElem, string ifcEnumType, ProductWrapper productWrapper) { ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType; IFCFile file = exporterIFC.GetFile(); Options geomOptions = GeometryUtil.GetIFCExportGeometryOptions(); using (IFCTransaction transaction = new IFCTransaction(file)) { using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element)) { using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData()) { IFCAnyHandle localPlacement = setter.LocalPlacement; StairRampContainerInfo stairRampInfo = null; ElementId hostId = GetStairOrRampHostId(exporterIFC, element as Railing); if (hostId != ElementId.InvalidElementId) { stairRampInfo = ExporterCacheManager.StairRampContainerInfoCache.GetStairRampContainerInfo(hostId); IFCAnyHandle stairRampLocalPlacement = stairRampInfo.LocalPlacements[0]; Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(stairRampLocalPlacement, localPlacement); Transform inverseTrf = relTrf.Inverse; IFCAnyHandle railingLocalPlacement = ExporterUtil.CreateLocalPlacement(file, stairRampLocalPlacement, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX); localPlacement = railingLocalPlacement; } ecData.SetLocalPlacement(localPlacement); SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geomElem); IList <Solid> solids = solidMeshInfo.GetSolids(); IList <Mesh> meshes = solidMeshInfo.GetMeshes(); Railing railingElem = element as Railing; IList <ElementId> subElementIds = CollectSubElements(railingElem); foreach (ElementId subElementId in subElementIds) { Element subElement = railingElem.Document.GetElement(subElementId); if (subElement != null) { GeometryElement subElementGeom = GeometryUtil.GetOneLevelGeometryElement(subElement.get_Geometry(geomOptions), 0); SolidMeshGeometryInfo subElementSolidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(subElementGeom); IList <Solid> subElementSolids = subElementSolidMeshInfo.GetSolids(); IList <Mesh> subElementMeshes = subElementSolidMeshInfo.GetMeshes(); foreach (Solid subElementSolid in subElementSolids) { solids.Add(subElementSolid); } foreach (Mesh subElementMesh in subElementMeshes) { meshes.Add(subElementMesh); } } } ElementId catId = CategoryUtil.GetSafeCategoryId(element); BodyData bodyData = null; BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true); bodyExporterOptions.TessellationLevel = BodyExporter.GetTessellationLevel(); //bodyExporterOptions.UseGroupsIfPossible = true; //bodyExporterOptions.UseMappedGeometriesIfPossible = true; if (solids.Count > 0 || meshes.Count > 0) { bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId, solids, meshes, bodyExporterOptions, ecData); } else { IList <GeometryObject> geomlist = new List <GeometryObject>(); geomlist.Add(geomElem); bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId, geomlist, bodyExporterOptions, ecData); } IFCAnyHandle bodyRep = bodyData.RepresentationHnd; if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRep)) { if (ecData != null) { ecData.ClearOpenings(); } return; } IList <IFCAnyHandle> representations = new List <IFCAnyHandle>(); representations.Add(bodyRep); IList <GeometryObject> geomObjects = new List <GeometryObject>(); foreach (Solid solid in solids) { geomObjects.Add(solid); } foreach (Mesh mesh in meshes) { geomObjects.Add(mesh); } Transform boundingBoxTrf = (bodyData.OffsetTransform != null) ? bodyData.OffsetTransform.Inverse : Transform.Identity; IFCAnyHandle boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomObjects, boundingBoxTrf); if (boundingBoxRep != null) { representations.Add(boundingBoxRep); } IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations); IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle(); string instanceGUID = GUIDUtil.CreateGUID(element); string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element)); string instanceDescription = NamingUtil.GetDescriptionOverride(element, null); string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName()); string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element)); string railingType = IFCValidateEntry.GetValidIFCType(element, ifcEnumType); IFCAnyHandle railing = IFCInstanceExporter.CreateRailing(file, instanceGUID, ownerHistory, instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(), prodRep, instanceTag, railingType); bool associateToLevel = (hostId == ElementId.InvalidElementId); productWrapper.AddElement(element, railing, setter, ecData, associateToLevel); OpeningUtil.CreateOpeningsIfNecessary(railing, element, ecData, bodyData.OffsetTransform, exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper); CategoryUtil.CreateMaterialAssociations(exporterIFC, railing, bodyData.MaterialIds); // Create multi-story duplicates of this railing. if (stairRampInfo != null) { stairRampInfo.AddComponent(0, railing); List <IFCAnyHandle> stairHandles = stairRampInfo.StairOrRampHandles; for (int ii = 1; ii < stairHandles.Count; ii++) { IFCAnyHandle railingLocalPlacement = stairRampInfo.LocalPlacements[ii]; if (!IFCAnyHandleUtil.IsNullOrHasNoValue(railingLocalPlacement)) { IFCAnyHandle railingHndCopy = CopyRailingHandle(exporterIFC, element, catId, railingLocalPlacement, railing); stairRampInfo.AddComponent(ii, railingHndCopy); productWrapper.AddElement(element, railingHndCopy, (IFCLevelInfo)null, ecData, false); CategoryUtil.CreateMaterialAssociations(exporterIFC, railingHndCopy, bodyData.MaterialIds); } } ExporterCacheManager.StairRampContainerInfoCache.AddStairRampContainerInfo(hostId, stairRampInfo); } } transaction.Commit(); } } }
/// <summary> /// Exports a beam to IFC beam if it has an axis representation and only one Solid as its geometry, ideally as an extrusion, potentially with clippings and openings. /// </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> /// <param name="dontExport">An output value that says that the element shouldn't be exported at all.</param> /// <returns>The created handle.</returns> /// <remarks>In the original implementation, the ExportBeam function would export each beam as its own individual geometry (that is, not use representation maps). /// For non-standard beams, this could result in massive IFC files. Now, we use the ExportBeamAsStandardElement function and limit its scope, and instead /// resort to the standard FamilyInstanceExporter.ExportFamilyInstanceAsMappedItem for more complicated objects categorized as beams. This has the following pros and cons: /// Pro: possiblity for massively reduced file sizes for files containing repeated complex beam families /// Con: some beams that may have had an "Axis" representation before will no longer have them, although this possibility is minimized. /// Con: some beams that have 1 Solid and an axis, but that Solid will be heavily faceted, won't be helped by this improvement. /// It is intended that we phase out this routine entirely and instead teach ExportFamilyInstanceAsMappedItem how to sometimes export the Axis representation for beams.</remarks> public static IFCAnyHandle ExportBeamAsStandardElement(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, ProductWrapper productWrapper, out bool dontExport) { dontExport = true; IList <GeometryObject> geomObjects = BeamGeometryToExport(exporterIFC, element, geometryElement, out dontExport); if (dontExport) { return(null); } IFCAnyHandle beam = null; IFCFile file = exporterIFC.GetFile(); MaterialAndProfile materialAndProfile = null; IFCAnyHandle materialProfileSet = null; using (IFCTransaction transaction = new IFCTransaction(file)) { BeamAxisInfo axisInfo = GetBeamAxisTransform(element); bool canExportAxis = (axisInfo != null); Curve curve = canExportAxis ? axisInfo.Axis : null; XYZ beamDirection = canExportAxis ? axisInfo.AxisDirection : null; Transform orientTrf = canExportAxis ? axisInfo.LCSAsTransform : null; using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, element, null, orientTrf)) { IFCAnyHandle localPlacement = setter.LocalPlacement; 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; } ElementId catId = CategoryUtil.GetSafeCategoryId(element); // 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; // The list of materials in the solids or meshes. ICollection <ElementId> materialIds = null; // The representation handle generated from one of the methods below. BeamBodyAsExtrusionInfo extrusionInfo = CreateBeamGeometryAsExtrusion(exporterIFC, element, catId, geomObjects, axisInfo); if (extrusionInfo != null && extrusionInfo.DontExport) { dontExport = true; return(null); } IFCAnyHandle repHnd = (extrusionInfo != null) ? extrusionInfo.RepresentationHandle : null; if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd)) { materialIds = extrusionInfo.Materials; extrusionCreationData.Slope = extrusionInfo.Slope; } else { // Here is where we limit the scope of how complex a case we will still try to export as a standard element. // This is explicitly added so that many curved beams that can be represented by a reasonable facetation because of the // SweptSolidExporter can still have an Axis representation. BodyData bodyData = null; BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow); bodyExporterOptions.CollectMaterialAndProfile = true; if (geomObjects != null && geomObjects.Count == 1 && geomObjects[0] is Solid) { bodyData = BodyExporter.ExportBody(exporterIFC, element, catId, ElementId.InvalidElementId, geomObjects[0], bodyExporterOptions, extrusionCreationData); repHnd = bodyData.RepresentationHnd; materialIds = bodyData.MaterialIds; if (!bodyData.OffsetTransform.IsIdentity) { offsetTransform = bodyData.OffsetTransform; } materialAndProfile = bodyData.materialAndProfile; } } if (IFCAnyHandleUtil.IsNullOrHasNoValue(repHnd)) { extrusionCreationData.ClearOpenings(); return(null); } IList <IFCAnyHandle> representations = new List <IFCAnyHandle>(); IFCAnyHandle axisRep = CreateBeamAxis(exporterIFC, element, catId, axisInfo, offsetTransform); if (!IFCAnyHandleUtil.IsNullOrHasNoValue(axisRep)) { 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); beam = IFCInstanceExporter.CreateBeam(file, instanceGUID, ExporterCacheManager.OwnerHistoryHandle, instanceName, instanceDescription, instanceObjectType, extrusionCreationData.GetLocalPlacement(), prodRep, instanceTag, preDefinedType); IFCAnyHandle mpSetUsage; if (materialProfileSet != null) { mpSetUsage = IFCInstanceExporter.CreateMaterialProfileSetUsage(file, materialProfileSet, null, null); } productWrapper.AddElement(element, beam, setter, extrusionCreationData, true); ExportBeamType(exporterIFC, productWrapper, beam, element, preDefinedType); 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.CreateMaterialAssociation(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(); return(beam); } }