/// <summary> /// Export the roof to IfcRoof containing its parts. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="element">The roof element.</param> /// <param name="geometryElement">The geometry element.</param> /// <param name="productWrapper">The ProductWrapper.</param> public static void ExportRoofAsParts(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, ProductWrapper productWrapper) { IFCFile file = exporterIFC.GetFile(); using (IFCTransaction transaction = new IFCTransaction(file)) { using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element))) { IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle(); IFCAnyHandle localPlacement = setter.GetPlacement(); IFCAnyHandle prodRepHnd = null; string elementGUID = GUIDUtil.CreateGUID(element); string elementName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element)); string elementDescription = NamingUtil.GetDescriptionOverride(element, null); string elementObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName()); string elementTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element)); //need to convert the string to enum string ifcEnumType = ExporterUtil.GetIFCTypeFromExportTable(exporterIFC, element); IFCAnyHandle roofHandle = IFCInstanceExporter.CreateRoof(file, elementGUID, ownerHistory, elementName, elementDescription, elementObjectType, localPlacement, prodRepHnd, elementTag, GetIFCRoofType(ifcEnumType)); // Export the parts PartExporter.ExportHostPart(exporterIFC, element, roofHandle, productWrapper, setter, localPlacement, null); productWrapper.AddElement(element, roofHandle, setter, null, true); transaction.Commit(); } } }
/// <summary> /// Export the standalone parts: /// - The parts made from originals in Links /// - The Orphan parts: the linked file where the original host element comes from is unloaded. /// - The Zombie parts: the original host element is deleted from the linked file. /// </summary> /// <remarks> /// This is a temporary workaround to export the parts made from linked elements. It should be refined when linked are supported (LinkedInstance at least.) /// There are some limitations: /// The linked element will not export as host, including the relative elements: e.g. windows, doors, openings. /// The host part cannot export if visibility is set by linked view and has 'Show Original'. /// The standalone part will skip export if Base Level is set 'Non Associated'. /// The linked part export cannot be split even if its category is wall or column and 'Split wall or column by story' is checked. /// </remarks> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="partElement">The standalone part to export.</param> /// <param name="geometryElement">The goemetry of the part.</param> /// <param name="productWrapper">The ProductWrapper object.</param> public static void ExportStandalonePart(ExporterIFC exporterIFC, Element partElement, GeometryElement geometryElement, ProductWrapper productWrapper) { Part part = partElement as Part; if (!ExporterCacheManager.ExportOptionsCache.ExportParts || part == null || geometryElement == null) { return; } foreach (LinkElementId linkElementId in part.GetSourceElementIds()) { if (linkElementId.HostElementId != ElementId.InvalidElementId) { // Has host element, so should export with host element. return; } if (linkElementId.LinkedElementId != ElementId.InvalidElementId) { if (part.Level == null || part.Level.Id == ElementId.InvalidElementId) { // skip the parts have NO Base Level. continue; } IFCExtrusionAxes ifcExtrusionAxes = GetDefaultExtrusionAxesForPart(part); PartExporter.ExportPart(exporterIFC, partElement, productWrapper, null, null, null, ifcExtrusionAxes, null, null, false); } } }
/// <summary> /// Exports a roof to IfcRoof. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="roof">The roof element.</param> /// <param name="geometryElement">The geometry element.</param> /// <param name="productWrapper">The IFCProductWrapper.</param> public static void Export(ExporterIFC exporterIFC, RoofBase roof, GeometryElement geometryElement, IFCProductWrapper productWrapper) { IFCFile file = exporterIFC.GetFile(); using (IFCTransaction tr = new IFCTransaction(file)) { // export parts or not bool exportParts = PartExporter.CanExportParts(roof); bool exportAsExtrusionCurtainRoof = false; bool exportAsFootprintCurtainRoof = false; if (roof is ExtrusionRoof) { ExtrusionRoof extrusionRoof = roof as ExtrusionRoof; exportAsExtrusionCurtainRoof = ((extrusionRoof.CurtainGrids != null) && (extrusionRoof.CurtainGrids.Size != 0)); } else if (roof is FootPrintRoof) { FootPrintRoof footprintRoof = roof as FootPrintRoof; exportAsFootprintCurtainRoof = ((footprintRoof.CurtainGrids != null) && (footprintRoof.CurtainGrids.Size != 0)); } if (exportParts) { if (!PartExporter.CanExportElementInPartExport(roof, roof.Level.Id, false)) { return; } ExportRoofAsParts(exporterIFC, roof, geometryElement, productWrapper); // Right now, only flat roof could have parts. } else if (exportAsExtrusionCurtainRoof) { CurtainSystemExporter.ExportExtrusionRoof(exporterIFC, roof as ExtrusionRoof, productWrapper); } else if (exportAsFootprintCurtainRoof) { CurtainSystemExporter.ExportFootPrintRoof(exporterIFC, roof as FootPrintRoof, productWrapper); } else { string ifcEnumType = CategoryUtil.GetIFCEnumTypeName(exporterIFC, roof); IFCAnyHandle roofHnd = ExporterIFCUtils.ExportRoofAsContainer(exporterIFC, ifcEnumType, roof, geometryElement, productWrapper); if (IFCAnyHandleUtil.IsNullOrHasNoValue(roofHnd)) { ExportRoof(exporterIFC, ifcEnumType, roof, geometryElement, productWrapper); } PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, roof, productWrapper); // call for host objects; curtain roofs excused from call (no material information) HostObjectExporter.ExportHostObjectMaterials(exporterIFC, roof, productWrapper.GetAnElement(), geometryElement, productWrapper, ElementId.InvalidElementId, IFCLayerSetDirection.Axis3); } tr.Commit(); } }
/// <summary> /// Export all the parts of the host element. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="hostElement">The host element having parts to export.</param> /// <param name="hostHandle">The host element handle.</param> /// <param name="originalWrapper">The ProductWrapper object.</param> public static void ExportHostPart(ExporterIFC exporterIFC, Element hostElement, IFCAnyHandle hostHandle, ProductWrapper originalWrapper, IFCPlacementSetter placementSetter, IFCAnyHandle originalPlacement, ElementId overrideLevelId) { using (ProductWrapper subWrapper = ProductWrapper.Create(exporterIFC, true)) { List <ElementId> associatedPartsList = PartUtils.GetAssociatedParts(hostElement.Document, hostElement.Id, false, true).ToList(); if (associatedPartsList.Count == 0) { return; } bool isWallOrColumn = IsHostWallOrColumn(exporterIFC, hostElement); bool hasOverrideLevel = overrideLevelId != null && overrideLevelId != ElementId.InvalidElementId; IFCExtrusionAxes ifcExtrusionAxes = GetDefaultExtrusionAxesForHost(exporterIFC, hostElement); // Split parts if wall or column is split by level, and then export; otherwise, export parts normally. if (isWallOrColumn && hasOverrideLevel && ExporterCacheManager.ExportOptionsCache.WallAndColumnSplitting) { if (!ExporterCacheManager.HostPartsCache.HasRegistered(hostElement.Id)) { SplitParts(exporterIFC, hostElement, associatedPartsList); // Split parts and associate them with host. } // Find and export the parts that are split by specific level. List <KeyValuePair <Part, IFCRange> > splitPartRangeList = new List <KeyValuePair <Part, IFCRange> >(); splitPartRangeList = ExporterCacheManager.HostPartsCache.Find(hostElement.Id, overrideLevelId); foreach (KeyValuePair <Part, IFCRange> partRange in splitPartRangeList) { PartExporter.ExportPart(exporterIFC, partRange.Key, subWrapper, placementSetter, originalPlacement, partRange.Value, ifcExtrusionAxes, hostElement, overrideLevelId, false); } } else { foreach (ElementId partId in associatedPartsList) { Part part = hostElement.Document.GetElement(partId) as Part; PartExporter.ExportPart(exporterIFC, part, subWrapper, placementSetter, originalPlacement, null, ifcExtrusionAxes, hostElement, overrideLevelId, false); } } // Create the relationship of Host and Parts. ICollection <IFCAnyHandle> relatedElementIds = subWrapper.GetAllObjects(); if (relatedElementIds.Count > 0) { string guid = GUIDUtil.CreateGUID(); HashSet <IFCAnyHandle> relatedElementIdSet = new HashSet <IFCAnyHandle>(relatedElementIds); IFCInstanceExporter.CreateRelAggregates(exporterIFC.GetFile(), guid, exporterIFC.GetOwnerHistoryHandle(), null, null, hostHandle, relatedElementIdSet); } } }
/// <summary> /// Export the parts as independent building elements. /// </summary> /// <remarks> /// The function works with AlternateIFCUI and it requires two conditions: /// 1. Allows export parts: 'current view only' is checked and 'show parts' is selected. /// 2. Allows export parts independent: 'Export parts as building elements' is checked in alternate UI dialog. /// </remarks> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="partElement">The standalone part to export.</param> /// <param name="geometryElement">The goemetry of the part.</param> /// <param name="productWrapper">The ProductWrapper object.</param> public static void ExportPartAsBuildingElement(ExporterIFC exporterIFC, Element partElement, GeometryElement geometryElement, ProductWrapper productWrapper) { Part part = partElement as Part; if (!ExporterCacheManager.ExportOptionsCache.ExportParts || part == null || geometryElement == null) { return; } bool isWall = part.OriginalCategoryId == new ElementId(BuiltInCategory.OST_Walls); bool isColumn = part.OriginalCategoryId == new ElementId(BuiltInCategory.OST_Columns); bool isWallOrColumn = isWall || isColumn; IFCExtrusionAxes ifcExtrusionAxes = GetDefaultExtrusionAxesForPart(part); Element hostElement = null; ElementId overrideLevelId = null; // Find the host element of the part. hostElement = FindRootParent(part, part.OriginalCategoryId); // If part's level is not associated, try to get the host's level with the same category. if (hostElement != null && part.Level == null) { overrideLevelId = hostElement.Level.Id; } // Split parts with original category is wall or column and the option wall or column is split by level is checked, and then export; // otherwise, export separate parts normally. if (isWallOrColumn && ExporterCacheManager.ExportOptionsCache.WallAndColumnSplitting) { IList <ElementId> levels = new List <ElementId>(); IList <IFCRange> ranges = new List <IFCRange>(); IFCExportType exportType = isWall ? IFCExportType.ExportWall : IFCExportType.ExportColumnType; LevelUtil.CreateSplitLevelRangesForElement(exporterIFC, exportType, part, out levels, out ranges); if (ranges.Count == 0) { PartExporter.ExportPart(exporterIFC, partElement, productWrapper, null, null, null, ifcExtrusionAxes, hostElement, overrideLevelId, true); } else { for (int ii = 0; ii < ranges.Count; ii++) { PartExporter.ExportPart(exporterIFC, partElement, productWrapper, null, null, ranges[ii], ifcExtrusionAxes, hostElement, levels[ii], true); } } } else { PartExporter.ExportPart(exporterIFC, partElement, productWrapper, null, null, null, ifcExtrusionAxes, hostElement, overrideLevelId, true); } }
/// <summary> /// Exports a floor to IFC slab. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="floor">The floor element.</param> /// <param name="geometryElement">The geometry element.</param> /// <param name="productWrapper">The ProductWrapper.</param> public static void Export(ExporterIFC exporterIFC, HostObject floor, GeometryElement geometryElement, ProductWrapper productWrapper) { string ifcEnumType = ExporterUtil.GetIFCTypeFromExportTable(exporterIFC, floor); // export parts or not bool exportParts = PartExporter.CanExportParts(floor); if (exportParts && !PartExporter.CanExportElementInPartExport(floor, floor.Level.Id, false)) { return; } ExportFloor(exporterIFC, floor, geometryElement, ifcEnumType, productWrapper, exportParts); }
/// <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 IFCProductWrapper. /// </param> public static void ExportCovering(ExporterIFC exporterIFC, Element element, GeometryElement geomElem, string ifcEnumType, IFCProductWrapper productWrapper) { bool exportParts = PartExporter.CanExportParts(element); if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.Level.Id, false)) { return; } ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType; IFCFile file = exporterIFC.GetFile(); using (IFCTransaction transaction = new IFCTransaction(file)) { using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element)) { IFCAnyHandle prodRep = exportParts ? null : RepresentationUtil.CreateSurfaceProductDefinitionShape(exporterIFC, element, geomElem, false, false); string instanceGUID = ExporterIFCUtils.CreateGUID(element); string origInstanceName = exporterIFC.GetName(); string instanceName = NamingUtil.GetNameOverride(element, origInstanceName); string instanceDescription = NamingUtil.GetDescriptionOverride(element, null); string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName()); string instanceElemId = NamingUtil.CreateIFCElementId(element); Toolkit.IFCCoveringType coveringType = GetIFCCoveringType(element, ifcEnumType); IFCAnyHandle covering = IFCInstanceExporter.CreateCovering(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(), instanceName, instanceDescription, instanceObjectType, setter.GetPlacement(), prodRep, instanceElemId, coveringType); if (exportParts) { PartExporter.ExportHostPart(exporterIFC, element, covering, productWrapper, setter, setter.GetPlacement(), null); } productWrapper.AddElement(covering, setter, null, LevelUtil.AssociateElementToLevel(element)); Ceiling ceiling = element as Ceiling; if (ceiling != null && !exportParts) { HostObjectExporter.ExportHostObjectMaterials(exporterIFC, ceiling, covering, geomElem, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3); } ExporterIFCUtils.CreateCoveringPropertySet(exporterIFC, element, productWrapper); PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper); } transaction.Commit(); } }
/// <summary> /// Export the roof to IfcRoof containing its parts. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="element">The roof element.</param> /// <param name="geometryElement">The geometry element.</param> /// <param name="productWrapper">The IFCProductWrapper.</param> public static void ExportRoofAsParts(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, IFCProductWrapper productWrapper) { IFCFile file = exporterIFC.GetFile(); using (IFCTransaction transaction = new IFCTransaction(file)) { using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element)) { IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle(); IFCAnyHandle localPlacement = setter.GetPlacement(); using (IFCExtrusionCreationData extrusionCreationData = new IFCExtrusionCreationData()) { extrusionCreationData.SetLocalPlacement(setter.GetPlacement()); extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryXY; IFCAnyHandle prodRepHnd = null; string elementGUID = ExporterIFCUtils.CreateGUID(element); string origElementName = exporterIFC.GetName(); string elementName = NamingUtil.GetNameOverride(element, origElementName); string elementDescription = NamingUtil.GetDescriptionOverride(element, null); string elementObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName()); string elementId = NamingUtil.CreateIFCElementId(element); //need to convert the string to enum string ifcEnumType = CategoryUtil.GetIFCEnumTypeName(exporterIFC, element); IFCAnyHandle roofHandle = IFCInstanceExporter.CreateRoof(file, elementGUID, ownerHistory, elementName, elementDescription, elementObjectType, localPlacement, prodRepHnd, elementId, GetIFCRoofType(ifcEnumType)); // Export the parts PartExporter.ExportHostPart(exporterIFC, element, roofHandle, productWrapper, setter, localPlacement, null); productWrapper.AddElement(roofHandle, setter, extrusionCreationData, LevelUtil.AssociateElementToLevel(element)); OpeningUtil.CreateOpeningsIfNecessary(roofHandle, element, extrusionCreationData, exporterIFC, extrusionCreationData.GetLocalPlacement(), setter, productWrapper); PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper); } transaction.Commit(); } } }
/// <summary> /// Exports a roof to IfcRoof. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="roof">The roof element.</param> /// <param name="geometryElement">The geometry element.</param> /// <param name="productWrapper">The ProductWrapper.</param> public static void Export(ExporterIFC exporterIFC, RoofBase roof, GeometryElement geometryElement, ProductWrapper productWrapper) { IFCFile file = exporterIFC.GetFile(); using (IFCTransaction tr = new IFCTransaction(file)) { // export parts or not bool exportParts = PartExporter.CanExportParts(roof); bool exportAsCurtainRoof = CurtainSystemExporter.IsCurtainSystem(roof); if (exportParts) { if (!PartExporter.CanExportElementInPartExport(roof, roof.Level.Id, false)) { return; } ExportRoofAsParts(exporterIFC, roof, geometryElement, productWrapper); // Right now, only flat roof could have parts. } else if (exportAsCurtainRoof) { CurtainSystemExporter.ExportCurtainRoof(exporterIFC, roof, productWrapper); } else { string ifcEnumType = ExporterUtil.GetIFCTypeFromExportTable(exporterIFC, roof); IFCAnyHandle roofHnd = ExporterIFCUtils.ExportRoofAsContainer(exporterIFC, ifcEnumType, roof, geometryElement, productWrapper.ToNative()); if (IFCAnyHandleUtil.IsNullOrHasNoValue(roofHnd)) { ExportRoof(exporterIFC, ifcEnumType, roof, geometryElement, productWrapper); } // call for host objects; curtain roofs excused from call (no material information) HostObjectExporter.ExportHostObjectMaterials(exporterIFC, roof, productWrapper.GetAnElement(), geometryElement, productWrapper, ElementId.InvalidElementId, IFCLayerSetDirection.Axis3, null); } tr.Commit(); } }
/// <summary> /// Exports a floor to IFC slab. /// </summary> /// <param name="exporterIFC"> /// The ExporterIFC object. /// </param> /// <param name="floor"> /// The floor element. /// </param> /// <param name="geometryElement"> /// The geometry element. /// </param> /// <param name="ifcEnumType"> /// The string value represents the IFC type. /// </param> /// <param name="productWrapper"> /// The ProductWrapper. /// </param> /// <param name="exportParts"> /// Whether to export parts or not. /// </param> /// <returns> /// True if the floor is exported successfully, false otherwise. /// </returns> public static void ExportFloor(ExporterIFC exporterIFC, Element floorElement, GeometryElement geometryElement, string ifcEnumType, ProductWrapper productWrapper, bool exportParts) { if (geometryElement == null) { return; } IFCFile file = exporterIFC.GetFile(); IList <IFCAnyHandle> slabHnds = new List <IFCAnyHandle>(); IList <IFCAnyHandle> brepSlabHnds = new List <IFCAnyHandle>(); IList <IFCAnyHandle> nonBrepSlabHnds = new List <IFCAnyHandle>(); using (IFCTransaction tr = new IFCTransaction(file)) { using (IFCTransformSetter transformSetter = IFCTransformSetter.Create()) { using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, floorElement, null, null, ExporterUtil.GetBaseLevelIdForElement(floorElement))) { IFCAnyHandle localPlacement = placementSetter.GetPlacement(); IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle(); bool exportedAsInternalExtrusion = false; double scale = exporterIFC.LinearScale; ElementId catId = CategoryUtil.GetSafeCategoryId(floorElement); IList <IFCAnyHandle> prodReps = new List <IFCAnyHandle>(); IList <ShapeRepresentationType> repTypes = new List <ShapeRepresentationType>(); IList <IList <CurveLoop> > extrusionLoops = new List <IList <CurveLoop> >(); IList <IFCExtrusionCreationData> loopExtraParams = new List <IFCExtrusionCreationData>(); Plane floorPlane = GeometryUtil.CreateDefaultPlane(); IList <IFCAnyHandle> localPlacements = new List <IFCAnyHandle>(); if (!exportParts) { // First, try to use the ExtrusionAnalyzer for the limited cases it handles - 1 solid, no openings, end clippings only. // Also limited to cases with line and arc boundaries. // if (floorElement is Floor) { Floor floor = floorElement as Floor; SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSplitSolidMeshGeometry(geometryElement); IList <Solid> solids = solidMeshInfo.GetSolids(); IList <Mesh> meshes = solidMeshInfo.GetMeshes(); if (solids.Count == 1 && meshes.Count == 0) { bool completelyClipped; XYZ floorExtrusionDirection = new XYZ(0, 0, -1); XYZ modelOrigin = XYZ.Zero; XYZ floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top); if (floorOrigin == null) { // GetVerticalProjectionPoint may return null if FloorFace.Top is an edited face that doesn't // go thruough te Revit model orgigin. We'll try the midpoint of the bounding box instead. BoundingBoxXYZ boundingBox = floor.get_BoundingBox(null); modelOrigin = (boundingBox.Min + boundingBox.Max) / 2.0; floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top); } if (floorOrigin != null) { XYZ floorDir = floor.GetNormalAtVerticalProjectionPoint(floorOrigin, FloorFace.Top); Plane extrusionAnalyzerFloorPlane = new Plane(floorDir, floorOrigin); HandleAndData floorAndProperties = ExtrusionExporter.CreateExtrusionWithClippingAndProperties(exporterIFC, floor, catId, solids[0], extrusionAnalyzerFloorPlane, floorExtrusionDirection, null, out completelyClipped); if (completelyClipped) { return; } if (floorAndProperties.Handle != null) { IList <IFCAnyHandle> representations = new List <IFCAnyHandle>(); representations.Add(floorAndProperties.Handle); IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations); prodReps.Add(prodRep); repTypes.Add(ShapeRepresentationType.SweptSolid); if (floorAndProperties.Data != null) { loopExtraParams.Add(floorAndProperties.Data); } } } } } // Use internal routine as backup that handles openings. if (prodReps.Count == 0) { exportedAsInternalExtrusion = ExporterIFCUtils.ExportSlabAsExtrusion(exporterIFC, floorElement, geometryElement, transformSetter, localPlacement, out localPlacements, out prodReps, out extrusionLoops, out loopExtraParams, floorPlane); for (int ii = 0; ii < prodReps.Count; ii++) { // all are extrusions repTypes.Add(ShapeRepresentationType.SweptSolid); } } if (prodReps.Count == 0) { using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData()) { BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true); bodyExporterOptions.TessellationLevel = BodyExporter.GetTessellationLevel(); BodyData bodyData; IFCAnyHandle prodDefHnd = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, floorElement, catId, geometryElement, bodyExporterOptions, null, ecData, out bodyData); if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodDefHnd)) { ecData.ClearOpenings(); return; } prodReps.Add(prodDefHnd); repTypes.Add(bodyData.ShapeRepresentationType); } } } // Create the slab from either the extrusion or the BRep information. string ifcGUID = GUIDUtil.CreateGUID(floorElement); int numReps = exportParts ? 1 : prodReps.Count; // Allow export as IfcSlab or IfcFooting. Ignore altIfcEnumType value; use value passed in. string altIfcEnumType; IFCExportType exportAs = ExporterUtil.GetExportType(exporterIFC, floorElement, out altIfcEnumType); bool exportAsFooting = (exportAs == IFCExportType.ExportFooting); IFCFootingType?footingType = null; IFCSlabType? slabType = null; if (exportAsFooting) { footingType = FootingExporter.GetIFCFootingType(ifcEnumType); } else { slabType = GetIFCSlabType(ifcEnumType); } for (int ii = 0; ii < numReps; ii++) { string ifcName = NamingUtil.GetNameOverride(floorElement, NamingUtil.GetIFCNamePlusIndex(floorElement, ii == 0 ? -1 : ii + 1)); string ifcDescription = NamingUtil.GetDescriptionOverride(floorElement, null); string ifcObjectType = NamingUtil.GetObjectTypeOverride(floorElement, exporterIFC.GetFamilyName()); string ifcTag = NamingUtil.GetTagOverride(floorElement, NamingUtil.CreateIFCElementId(floorElement)); string currentGUID = (ii == 0) ? ifcGUID : GUIDUtil.CreateGUID(); IFCAnyHandle localPlacementHnd = exportedAsInternalExtrusion ? localPlacements[ii] : localPlacement; IFCAnyHandle slabHnd = null; if (exportAsFooting) { slabHnd = IFCInstanceExporter.CreateFooting(file, currentGUID, ownerHistory, ifcName, ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii], ifcTag, footingType.Value); } else { slabHnd = IFCInstanceExporter.CreateSlab(file, currentGUID, ownerHistory, ifcName, ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : prodReps[ii], ifcTag, slabType.Value); } if (IFCAnyHandleUtil.IsNullOrHasNoValue(slabHnd)) { return; } if (exportParts) { PartExporter.ExportHostPart(exporterIFC, floorElement, slabHnd, productWrapper, placementSetter, localPlacementHnd, null); } slabHnds.Add(slabHnd); if (!exportParts) { if (repTypes[ii] == ShapeRepresentationType.Brep) { brepSlabHnds.Add(slabHnd); } else { nonBrepSlabHnds.Add(slabHnd); } } } for (int ii = 0; ii < numReps; ii++) { IFCExtrusionCreationData loopExtraParam = ii < loopExtraParams.Count ? loopExtraParams[ii] : null; productWrapper.AddElement(floorElement, slabHnds[ii], placementSetter, loopExtraParam, true); } if (exportedAsInternalExtrusion) { ExporterIFCUtils.ExportExtrudedSlabOpenings(exporterIFC, floorElement, placementSetter, localPlacements[0], slabHnds, extrusionLoops, floorPlane, productWrapper.ToNative()); } } if (!exportParts) { if (floorElement is HostObject) { HostObject hostObject = floorElement as HostObject; if (nonBrepSlabHnds.Count > 0) { HostObjectExporter.ExportHostObjectMaterials(exporterIFC, hostObject, nonBrepSlabHnds, geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, false); } if (brepSlabHnds.Count > 0) { HostObjectExporter.ExportHostObjectMaterials(exporterIFC, hostObject, brepSlabHnds, geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3, true); } } else if (floorElement is FamilyInstance && slabHnds.Count > 0) { ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, floorElement); Document doc = floorElement.Document; foreach (IFCAnyHandle slabHnd in slabHnds) { CategoryUtil.CreateMaterialAssociation(exporterIFC, slabHnd, matId); } } } } tr.Commit(); return; } }
/// <summary> /// Exports an element to IFC footing. /// </summary> /// <param name="exporterIFC"> /// The ExporterIFC object. /// </param> /// <param name="element"> /// The element. /// </param> /// <param name="geometryElement"> /// The geometry element. /// </param> /// <param name="ifcEnumType"> /// The string value represents the IFC type. /// </param> /// <param name="productWrapper"> /// The ProductWrapper. /// </param> public static void ExportFooting(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, string ifcEnumType, ProductWrapper productWrapper) { // export parts or not bool exportParts = PartExporter.CanExportParts(element); if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.Level.Id, false)) { return; } IFCFile file = exporterIFC.GetFile(); using (IFCTransaction tr = new IFCTransaction(file)) { using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element))) { using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData()) { ecData.SetLocalPlacement(setter.GetPlacement()); IFCAnyHandle prodRep = null; ElementId matId = ElementId.InvalidElementId; if (!exportParts) { ElementId catId = CategoryUtil.GetSafeCategoryId(element); matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geometryElement, exporterIFC, element); BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true); prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element, catId, geometryElement, bodyExporterOptions, null, ecData, true); if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep)) { ecData.ClearOpenings(); return; } } string instanceGUID = GUIDUtil.CreateGUID(element); string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element)); string instanceDescription = NamingUtil.GetDescriptionOverride(element, null); string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName()); string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element)); Toolkit.IFCFootingType footingType = GetIFCFootingType(element, ifcEnumType); IFCAnyHandle footing = IFCInstanceExporter.CreateFooting(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(), instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(), prodRep, instanceTag, footingType); if (exportParts) { PartExporter.ExportHostPart(exporterIFC, element, footing, productWrapper, setter, setter.GetPlacement(), null); } else { if (matId != ElementId.InvalidElementId) { CategoryUtil.CreateMaterialAssociation(exporterIFC, footing, matId); } } productWrapper.AddElement(element, footing, setter, ecData, true); OpeningUtil.CreateOpeningsIfNecessary(footing, element, ecData, null, exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper); } } tr.Commit(); } }
/// <summary> /// Exports an element to IFC footing. /// </summary> /// <param name="exporterIFC"> /// The ExporterIFC object. /// </param> /// <param name="element"> /// The element. /// </param> /// <param name="geometryElement"> /// The geometry element. /// </param> /// <param name="ifcEnumType"> /// The string value represents the IFC type. /// </param> /// <param name="productWrapper"> /// The IFCProductWrapper. /// </param> public static void ExportFooting(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, string ifcEnumType, IFCProductWrapper productWrapper) { // export parts or not bool exportParts = PartExporter.CanExportParts(element); if (exportParts && !PartExporter.CanExportElementInPartExport(element, element.Level.Id, false)) { return; } IFCFile file = exporterIFC.GetFile(); using (IFCTransaction tr = new IFCTransaction(file)) { using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element)) { using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData()) { ecData.SetLocalPlacement(setter.GetPlacement()); IFCAnyHandle prodRep = null; if (!exportParts) { ElementId catId = CategoryUtil.GetSafeCategoryId(element); BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true); prodRep = RepresentationUtil.CreateBRepProductDefinitionShape(element.Document.Application, exporterIFC, element, catId, geometryElement, bodyExporterOptions, null, ecData); if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep)) { ecData.ClearOpenings(); return; } } string instanceGUID = ExporterIFCUtils.CreateGUID(element); string origInstanceName = exporterIFC.GetName(); string instanceName = NamingUtil.GetNameOverride(element, origInstanceName); string instanceDescription = NamingUtil.GetDescriptionOverride(element, null); string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName()); string instanceElemId = NamingUtil.CreateIFCElementId(element); Toolkit.IFCFootingType footingType = GetIFCFootingType(element, ifcEnumType); IFCAnyHandle footing = IFCInstanceExporter.CreateFooting(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(), instanceName, instanceDescription, instanceObjectType, ecData.GetLocalPlacement(), prodRep, instanceElemId, footingType); if (exportParts) { PartExporter.ExportHostPart(exporterIFC, element, footing, productWrapper, setter, setter.GetPlacement(), null); } productWrapper.AddElement(footing, setter, ecData, LevelUtil.AssociateElementToLevel(element)); OpeningUtil.CreateOpeningsIfNecessary(footing, element, ecData, exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper); PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper); } } tr.Commit(); } }
/// <summary> /// Exports a floor to IFC slab. /// </summary> /// <param name="exporterIFC"> /// The ExporterIFC object. /// </param> /// <param name="floor"> /// The floor element. /// </param> /// <param name="geometryElement"> /// The geometry element. /// </param> /// <param name="ifcEnumType"> /// The string value represents the IFC type. /// </param> /// <param name="productWrapper"> /// The IFCProductWrapper. /// </param> /// <param name="exportParts"> /// Whether to export parts or not. /// </param> /// <returns> /// True if the floor is exported successfully, false otherwise. /// </returns> public static void ExportFloor(ExporterIFC exporterIFC, Element floorElement, GeometryElement geometryElement, string ifcEnumType, IFCProductWrapper productWrapper, bool exportParts) { if (geometryElement == null) { return; } IFCFile file = exporterIFC.GetFile(); IList <IFCAnyHandle> slabHnds = new List <IFCAnyHandle>(); using (IFCTransaction tr = new IFCTransaction(file)) { using (IFCTransformSetter transformSetter = IFCTransformSetter.Create()) { using (IFCPlacementSetter placementSetter = IFCPlacementSetter.Create(exporterIFC, floorElement)) { IFCAnyHandle localPlacement = placementSetter.GetPlacement(); IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle(); bool exportedAsInternalExtrusion = false; double scale = exporterIFC.LinearScale; ElementId catId = CategoryUtil.GetSafeCategoryId(floorElement); IList <IFCAnyHandle> reps = new List <IFCAnyHandle>(); IList <IList <CurveLoop> > extrusionLoops = new List <IList <CurveLoop> >(); IList <IFCExtrusionCreationData> loopExtraParams = new List <IFCExtrusionCreationData>(); Plane floorPlane = GeometryUtil.CreateDefaultPlane(); IList <IFCAnyHandle> localPlacements = new List <IFCAnyHandle>(); if (!exportParts) { // First, try to use the ExtrusionAnalyzer for the limited cases it handles - 1 solid, no openings, end clippings only. // Also limited to cases with line and arc boundaries. // if (floorElement is Floor) { Floor floor = floorElement as Floor; SolidMeshGeometryInfo solidMeshInfo = GeometryUtil.GetSolidMeshGeometry(geometryElement, Transform.Identity); IList <Solid> solids = solidMeshInfo.GetSolids(); IList <Mesh> meshes = solidMeshInfo.GetMeshes(); if (solids.Count == 1 && meshes.Count == 0) { IList <Solid> splitVolumes = SolidUtils.SplitVolumes(solids[0]); if (splitVolumes.Count == 1) { bool completelyClipped; XYZ floorExtrusionDirection = new XYZ(0, 0, -1); XYZ modelOrigin = XYZ.Zero; XYZ floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top); if (floorOrigin == null) { // GetVerticalProjectionPoint may return null if FloorFace.Top is an edited face that doesn't // go thruough te Revit model orgigin. We'll try the midpoint of the bounding box instead. BoundingBoxXYZ boundingBox = floor.get_BoundingBox(null); modelOrigin = (boundingBox.Min + boundingBox.Max) / 2.0; floorOrigin = floor.GetVerticalProjectionPoint(modelOrigin, FloorFace.Top); } if (floorOrigin != null) { XYZ floorDir = floor.GetNormalAtVerticalProjectionPoint(floorOrigin, FloorFace.Top); Plane extrusionAnalyzerFloorPlane = new Plane(floorDir, floorOrigin); HandleAndData floorAndProperties = ExtrusionExporter.CreateExtrusionWithClippingAndProperties(exporterIFC, floor, catId, solids[0], extrusionAnalyzerFloorPlane, floorExtrusionDirection, null, out completelyClipped); if (completelyClipped) { return; } if (floorAndProperties.Handle != null) { IList <IFCAnyHandle> representations = new List <IFCAnyHandle>(); representations.Add(floorAndProperties.Handle); IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations); reps.Add(prodRep); if (floorAndProperties.Data != null) { loopExtraParams.Add(floorAndProperties.Data); } } } } } } // Use internal routine as backup that handles openings. if (reps.Count == 0) { exportedAsInternalExtrusion = ExporterIFCUtils.ExportSlabAsExtrusion(exporterIFC, floorElement, geometryElement, transformSetter, localPlacement, out localPlacements, out reps, out extrusionLoops, out loopExtraParams, floorPlane); } if (reps.Count == 0) { using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData()) { BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true); bodyExporterOptions.TessellationLevel = BodyExporterOptions.BodyTessellationLevel.Coarse; IFCAnyHandle prodDefHnd = RepresentationUtil.CreateBRepProductDefinitionShape(floorElement.Document.Application, exporterIFC, floorElement, catId, geometryElement, bodyExporterOptions, null, ecData); if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodDefHnd)) { ecData.ClearOpenings(); return; } reps.Add(prodDefHnd); } } } // Create the slab from either the extrusion or the BRep information. string ifcGUID = ExporterIFCUtils.CreateGUID(floorElement); int numReps = exportParts ? 1 : reps.Count; for (int ii = 0; ii < numReps; ii++) { string ifcName = NamingUtil.GetNameOverride(floorElement, NamingUtil.CreateIFCName(exporterIFC, ii == 0 ? -1 : ii + 1)); string ifcDescription = NamingUtil.GetDescriptionOverride(floorElement, null); string ifcObjectType = NamingUtil.GetObjectTypeOverride(floorElement, exporterIFC.GetFamilyName()); string ifcElemId = NamingUtil.CreateIFCElementId(floorElement); string currentGUID = (ii == 0) ? ifcGUID : ExporterIFCUtils.CreateGUID(); IFCAnyHandle localPlacementHnd = exportedAsInternalExtrusion ? localPlacements[ii] : localPlacement; IFCSlabType slabType = GetIFCSlabType(ifcEnumType); IFCAnyHandle slabHnd = IFCInstanceExporter.CreateSlab(file, currentGUID, ownerHistory, ifcName, ifcDescription, ifcObjectType, localPlacementHnd, exportParts ? null : reps[ii], ifcElemId, slabType); if (IFCAnyHandleUtil.IsNullOrHasNoValue(slabHnd)) { return; } if (exportParts) { PartExporter.ExportHostPart(exporterIFC, floorElement, slabHnd, productWrapper, placementSetter, localPlacementHnd, null); } slabHnds.Add(slabHnd); } bool associateElementToLevel = LevelUtil.AssociateElementToLevel(floorElement); for (int ii = 0; ii < numReps; ii++) { IFCExtrusionCreationData loopExtraParam = ii < loopExtraParams.Count ? loopExtraParams[ii] : null; productWrapper.AddElement(slabHnds[ii], placementSetter, loopExtraParam, associateElementToLevel); } if (exportedAsInternalExtrusion) { ExporterIFCUtils.ExportExtrudedSlabOpenings(exporterIFC, floorElement, placementSetter, localPlacements[0], slabHnds, extrusionLoops, floorPlane, productWrapper); } PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, floorElement, productWrapper); } if (!exportParts) { HostObjectExporter.ExportHostObjectMaterials(exporterIFC, floorElement as HostObject, slabHnds, geometryElement, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3); } } tr.Commit(); return; } }
/// <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.Level.Id, false)) { return; } ElementType elemType = element.Document.GetElement(element.GetTypeId()) as ElementType; IFCFile file = exporterIFC.GetFile(); using (IFCTransaction transaction = new IFCTransaction(file)) { using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element))) { using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData()) { ElementId categoryId = CategoryUtil.GetSafeCategoryId(element); IFCAnyHandle prodRep = null; if (!exportParts) { ecData.SetLocalPlacement(setter.GetPlacement()); ecData.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ; BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true); 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. if (string.IsNullOrEmpty(ifcEnumType)) { if (categoryId == new ElementId(BuiltInCategory.OST_Ceilings)) { ifcEnumType = "CEILING"; } else if (categoryId == new ElementId(BuiltInCategory.OST_Floors)) { ifcEnumType = "FLOORING"; } else if (categoryId == new ElementId(BuiltInCategory.OST_Roofs)) { ifcEnumType = "ROOFING"; } } string instanceGUID = GUIDUtil.CreateGUID(element); string instanceName = NamingUtil.GetIFCName(element); string instanceDescription = NamingUtil.GetDescriptionOverride(element, null); string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, exporterIFC.GetFamilyName()); string instanceElemId = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element)); Toolkit.IFCCoveringType coveringType = GetIFCCoveringType(element, ifcEnumType); IFCAnyHandle covering = IFCInstanceExporter.CreateCovering(file, instanceGUID, exporterIFC.GetOwnerHistoryHandle(), instanceName, instanceDescription, instanceObjectType, setter.GetPlacement(), prodRep, instanceElemId, coveringType); if (exportParts) { PartExporter.ExportHostPart(exporterIFC, element, covering, productWrapper, setter, setter.GetPlacement(), null); } bool containInSpace = false; IFCAnyHandle localPlacementToUse = setter.GetPlacement(); // 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.SpatialElementHandleCache.Find(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); exporterIFC.RelateSpatialElement(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(); } }