public static IFCAnyHandle GetOrCreateMaterialStyle(Document document, ExporterIFC exporterIFC, ElementId materialId) { IFCAnyHandle styleHnd = ExporterCacheManager.MaterialIdToStyleHandleCache.Find(materialId); if (IFCAnyHandleUtil.IsNullOrHasNoValue(styleHnd)) { Material material = document.GetElement(materialId) as Material; if (material == null) { return(null); } string matName = NamingUtil.GetNameOverride(material, material.Name); Color color = GetSafeColor(material.Color); double blueVal = color.Blue / 255.0; double greenVal = color.Green / 255.0; double redVal = color.Red / 255.0; IFCFile file = exporterIFC.GetFile(); IFCAnyHandle colorHnd = IFCInstanceExporter.CreateColourRgb(file, null, redVal, greenVal, blueVal); double transparency = ((double)material.Transparency) / 100.0; IFCData smoothness = IFCDataUtil.CreateAsNormalisedRatioMeasure(((double)material.Smoothness) / 100.0); IFCData specularExp = IFCDataUtil.CreateAsSpecularExponent(material.Shininess); IFCReflectanceMethod method = IFCReflectanceMethod.NotDefined; IFCAnyHandle renderingHnd = IFCInstanceExporter.CreateSurfaceStyleRendering(file, colorHnd, transparency, null, null, null, null, smoothness, specularExp, method); ISet <IFCAnyHandle> surfStyles = new HashSet <IFCAnyHandle>(); surfStyles.Add(renderingHnd); IFCSurfaceSide surfSide = IFCSurfaceSide.Both; styleHnd = IFCInstanceExporter.CreateSurfaceStyle(file, matName, surfSide, surfStyles); ExporterCacheManager.MaterialIdToStyleHandleCache.Register(materialId, styleHnd); } return(styleHnd); }
/// <summary> /// Creates an opening from extrusion data. /// </summary> /// <param name="exporterIFC">The exporter.</param> /// <param name="hostObjHnd">The host handle.</param> /// <param name="hostPlacement">The host placement.</param> /// <param name="hostElement">The host element.</param> /// <param name="insertElement">The opening element.</param> /// <param name="openingGUID">The opening GUID.</param> /// <param name="extrusionData">The extrusion data.</param> /// <param name="plane">The plane.</param> /// <param name="isRecess">True if it is a recess.</param> /// <returns>The opening handle.</returns> static public IFCAnyHandle CreateOpening(ExporterIFC exporterIFC, IFCAnyHandle hostObjHnd, IFCAnyHandle hostPlacement, Element hostElement, Element insertElement, string openingGUID, IFCExtrusionData extrusionData, Plane plane, bool isRecess, PlacementSetter setter, ProductWrapper localWrapper) { IFCFile file = exporterIFC.GetFile(); IList <CurveLoop> curveLoops = extrusionData.GetLoops(); if (curveLoops.Count == 0) { return(null); } if (plane == null) { // assumption: first curve loop defines the plane. if (!curveLoops[0].HasPlane()) { return(null); } plane = curveLoops[0].GetPlane(); } ElementId catId = CategoryUtil.GetSafeCategoryId(insertElement); IFCAnyHandle openingProdRepHnd = RepresentationUtil.CreateExtrudedProductDefShape(exporterIFC, insertElement, catId, curveLoops, plane, extrusionData.ExtrusionDirection, extrusionData.ScaledExtrusionLength); string openingObjectType = isRecess ? "Recess" : "Opening"; IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle(); string openingName = NamingUtil.GetNameOverride(insertElement, null); if (string.IsNullOrEmpty(openingName)) { openingName = NamingUtil.GetNameOverride(hostElement, NamingUtil.CreateIFCObjectName(exporterIFC, hostElement)); } IFCAnyHandle openingHnd = IFCInstanceExporter.CreateOpeningElement(file, openingGUID, ownerHistory, openingName, null, openingObjectType, ExporterUtil.CreateLocalPlacement(file, hostPlacement, null), openingProdRepHnd, null); IFCExtrusionCreationData ecData = null; if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities) { double height, width; ecData = new IFCExtrusionCreationData(); if (GeometryUtil.ComputeHeightWidthOfCurveLoop(curveLoops[0], plane, out height, out width)) { ecData.ScaledHeight = UnitUtil.ScaleLength(height); ecData.ScaledWidth = UnitUtil.ScaleLength(width); } else { double area = ExporterIFCUtils.ComputeAreaOfCurveLoops(curveLoops); ecData.ScaledArea = UnitUtil.ScaleArea(area); } PropertyUtil.CreateOpeningQuantities(exporterIFC, openingHnd, ecData); } if (localWrapper != null) { Element elementForProperties = null; if (GUIDUtil.IsGUIDFor(insertElement, openingGUID)) { elementForProperties = insertElement; } localWrapper.AddElement(elementForProperties, openingHnd, setter, ecData, true); } string voidGuid = GUIDUtil.CreateGUID(); IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null, hostObjHnd, openingHnd); return(openingHnd); }
/// <summary> /// Creates an opening from a solid. /// </summary> /// <param name="exporterIFC">The exporter.</param> /// <param name="hostObjHnd">The host object handle.</param> /// <param name="hostElement">The host element.</param> /// <param name="insertElement">The insert element.</param> /// <param name="openingGUID">The GUID for the opening, depending on how the opening is created.</param> /// <param name="solid">The solid.</param> /// <param name="scaledHostWidth">The scaled host width.</param> /// <param name="isRecess">True if it is recess.</param> /// <param name="extrusionCreationData">The extrusion creation data.</param> /// <param name="setter">The placement setter.</param> /// <param name="localWrapper">The product wrapper.</param> /// <returns>The created opening handle.</returns> static public IFCAnyHandle CreateOpening(ExporterIFC exporterIFC, IFCAnyHandle hostObjHnd, Element hostElement, Element insertElement, string openingGUID, Solid solid, double scaledHostWidth, bool isRecess, IFCExtrusionCreationData extrusionCreationData, PlacementSetter setter, ProductWrapper localWrapper) { IFCFile file = exporterIFC.GetFile(); ElementId catId = CategoryUtil.GetSafeCategoryId(insertElement); XYZ prepToWall; bool isLinearWall = GetOpeningDirection(hostElement, out prepToWall); if (isLinearWall) { extrusionCreationData.CustomAxis = prepToWall; extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryCustom; } BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true); BodyData bodyData = BodyExporter.ExportBody(exporterIFC, insertElement, catId, ElementId.InvalidElementId, solid, bodyExporterOptions, extrusionCreationData); IFCAnyHandle openingRepHnd = bodyData.RepresentationHnd; if (IFCAnyHandleUtil.IsNullOrHasNoValue(openingRepHnd)) { extrusionCreationData.ClearOpenings(); return(null); } IList <IFCAnyHandle> representations = new List <IFCAnyHandle>(); representations.Add(openingRepHnd); IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations); IFCAnyHandle openingPlacement = extrusionCreationData.GetLocalPlacement(); IFCAnyHandle hostObjPlacementHnd = IFCAnyHandleUtil.GetObjectPlacement(hostObjHnd); Transform relTransform = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(openingPlacement, hostObjPlacementHnd); openingPlacement = ExporterUtil.CreateLocalPlacement(file, hostObjPlacementHnd, relTransform.Origin, relTransform.BasisZ, relTransform.BasisX); IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle(); double scaledOpeningLength = extrusionCreationData.ScaledLength; string openingObjectType = "Opening"; if (!MathUtil.IsAlmostZero(scaledHostWidth) && !MathUtil.IsAlmostZero(scaledOpeningLength)) { openingObjectType = scaledOpeningLength < (scaledHostWidth - MathUtil.Eps()) ? "Recess" : "Opening"; } else { openingObjectType = isRecess ? "Recess" : "Opening"; } string openingName = NamingUtil.GetNameOverride(insertElement, null); if (string.IsNullOrEmpty(openingName)) { if (!IFCAnyHandleUtil.IsNullOrHasNoValue(hostObjHnd)) { openingName = IFCAnyHandleUtil.GetStringAttribute(hostObjHnd, "Name"); } else { openingName = NamingUtil.GetNameOverride(hostElement, NamingUtil.CreateIFCObjectName(exporterIFC, hostElement)); } } IFCAnyHandle openingHnd = IFCInstanceExporter.CreateOpeningElement(file, openingGUID, ownerHistory, openingName, null, openingObjectType, openingPlacement, prodRep, null); if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities) { PropertyUtil.CreateOpeningQuantities(exporterIFC, openingHnd, extrusionCreationData); } if (localWrapper != null) { Element elementForProperties = null; if (GUIDUtil.IsGUIDFor(insertElement, openingGUID)) { elementForProperties = insertElement; } localWrapper.AddElement(insertElement, openingHnd, setter, extrusionCreationData, true); } string voidGuid = GUIDUtil.CreateGUID(); IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null, hostObjHnd, openingHnd); return(openingHnd); }
/// <summary> /// Gets material handle from material id or creates one if there is none. /// </summary> /// <param name="exporterIFC">The ExporterIFC object.</param> /// <param name="materialId">The material id.</param> /// <returns>The handle.</returns> public static IFCAnyHandle GetOrCreateMaterialHandle(ExporterIFC exporterIFC, ElementId materialId) { Document document = ExporterCacheManager.Document; IFCAnyHandle materialNameHandle = ExporterCacheManager.MaterialHandleCache.Find(materialId); if (IFCAnyHandleUtil.IsNullOrHasNoValue(materialNameHandle)) { string materialName = " <Unnamed>"; if (materialId != ElementId.InvalidElementId) { Material material = document.GetElement(materialId) as Material; if (material != null) { materialName = NamingUtil.GetNameOverride(material, material.Name); } } materialNameHandle = IFCInstanceExporter.CreateMaterial(exporterIFC.GetFile(), materialName); ExporterCacheManager.MaterialHandleCache.Register(materialId, materialNameHandle); // associate Material with SurfaceStyle if necessary. IFCFile file = exporterIFC.GetFile(); if (materialId != ElementId.InvalidElementId && !ExporterCacheManager.ExportOptionsCache.ExportAs2x2 && materialNameHandle.HasValue) { HashSet <IFCAnyHandle> matRepHandles = IFCAnyHandleUtil.GetHasRepresentation(materialNameHandle); if (matRepHandles.Count == 0) { Material matElem = document.GetElement(materialId) as Material; ElementId fillPatternId = (matElem != null) ? matElem.CutPatternId : ElementId.InvalidElementId; Autodesk.Revit.DB.Color color = (matElem != null) ? GetSafeColor(matElem.CutPatternColor) : new Color(0, 0, 0); double planScale = 100.0; HashSet <IFCAnyHandle> styles = new HashSet <IFCAnyHandle>(); bool hasFill = false; IFCAnyHandle styledRepItem = null; IFCAnyHandle matStyleHnd = CategoryUtil.GetOrCreateMaterialStyle(document, exporterIFC, materialId); if (!IFCAnyHandleUtil.IsNullOrHasNoValue(matStyleHnd)) { styles.Add(matStyleHnd); bool supportCutStyles = !ExporterCacheManager.ExportOptionsCache.ExportAsCoordinationView2; if (fillPatternId != ElementId.InvalidElementId && supportCutStyles) { IFCAnyHandle cutStyleHnd = exporterIFC.GetOrCreateFillPattern(fillPatternId, color, planScale); if (cutStyleHnd.HasValue) { styles.Add(cutStyleHnd); hasFill = true; } } IFCAnyHandle presStyleHnd = IFCInstanceExporter.CreatePresentationStyleAssignment(file, styles); HashSet <IFCAnyHandle> presStyleSet = new HashSet <IFCAnyHandle>(); presStyleSet.Add(presStyleHnd); IFCAnyHandle styledItemHnd = IFCInstanceExporter.CreateStyledItem(file, styledRepItem, presStyleSet, null); IFCAnyHandle contextOfItems = exporterIFC.Get3DContextHandle(""); string repId = "Style"; string repType = (hasFill) ? "Material and Cut Pattern" : "Material"; HashSet <IFCAnyHandle> repItems = new HashSet <IFCAnyHandle>(); repItems.Add(styledItemHnd); IFCAnyHandle styleRepHnd = IFCInstanceExporter.CreateStyledRepresentation(file, contextOfItems, repId, repType, repItems); List <IFCAnyHandle> repList = new List <IFCAnyHandle>(); repList.Add(styleRepHnd); IFCAnyHandle matDefRepHnd = IFCInstanceExporter.CreateMaterialDefinitionRepresentation(file, null, null, repList, materialNameHandle); } } } } return(materialNameHandle); }