/// <summary>
        /// Exports a family instance as a mapped item.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="familyInstance">
        /// The family instance to be exported.
        /// </param>
        /// <param name="exportType">
        /// The export type.
        /// </param>
        /// <param name="ifcEnumType">
        /// The string value represents the IFC type.
        /// </param>
        /// <param name="wrapper">
        /// The ProductWrapper.
        /// </param>
        /// <param name="overrideLevelId">
        /// The level id.
        /// </param>
        /// <param name="range">
        /// The range of this family instance to be exported.
        /// </param>
        public static void ExportFamilyInstanceAsMappedItem(ExporterIFC exporterIFC,
            FamilyInstance familyInstance, IFCExportType exportType, string ifcEnumType,
            ProductWrapper wrapper, ElementId overrideLevelId, IFCRange range, IFCAnyHandle parentLocalPlacement)
        {
            bool exportParts = PartExporter.CanExportParts(familyInstance);
            bool isSplit = range != null;
            if (exportParts && !PartExporter.CanExportElementInPartExport(familyInstance, isSplit ? overrideLevelId : familyInstance.Level.Id, isSplit))
                return;

            Document doc = familyInstance.Document;
            IFCFile file = exporterIFC.GetFile();

            FamilySymbol familySymbol = ExporterIFCUtils.GetOriginalSymbol(familyInstance);
            if (familySymbol == null)
                return;

            ProductWrapper familyProductWrapper = ProductWrapper.Create(wrapper);
            double scale = exporterIFC.LinearScale;
            Options options = GeometryUtil.GetIFCExportGeometryOptions();

            IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();

            HostObject hostElement = familyInstance.Host as HostObject; //hostElement could be null
            ElementId categoryId = CategoryUtil.GetSafeCategoryId(familySymbol);

            //string emptyString = "";
            string familyName = familySymbol.Name;
            string objectType = familyName;

            // A Family Instance can have its own copy of geometry, or use the symbol's copy with a transform.
            // The routine below tells us whether to use the Instance's copy or the Symbol's copy.
            bool useInstanceGeometry = ExporterIFCUtils.UsesInstanceGeometry(familyInstance);

            IList<IFCExtrusionData> cutPairOpeningsForColumns = new List<IFCExtrusionData>();
            using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
            {
                Transform trf = familyInstance.GetTransform();

                // Extra information if we are exporting a door or a window.
                IFCDoorWindowInfo doorWindowInfo = null;
                if (exportType == IFCExportType.ExportDoorType)
                    doorWindowInfo = IFCDoorWindowInfo.CreateDoorInfo(exporterIFC, familyInstance, familySymbol, hostElement, overrideLevelId, trf);
                else if (exportType == IFCExportType.ExportWindowType)
                    doorWindowInfo = IFCDoorWindowInfo.CreateWindowInfo(exporterIFC, familyInstance, familySymbol, hostElement, overrideLevelId, trf);

                FamilyTypeInfo typeInfo = new FamilyTypeInfo();
                XYZ extraOffset = XYZ.Zero;

                bool flipped = doorWindowInfo != null ? doorWindowInfo.IsSymbolFlipped : false;
                FamilyTypeInfo currentTypeInfo = ExporterCacheManager.TypeObjectsCache.Find(familySymbol.Id, flipped);
                bool found = currentTypeInfo.IsValid();

                Family family = familySymbol.Family;

                // TODO: this code to be removed by ExtrusionAnalyzer code.
                bool trySpecialColumnCreation = ((exportType == IFCExportType.ExportColumnType) && (!family.IsInPlace));
                IList<GeometryObject> geomObjects = new List<GeometryObject>();
                Transform brepOffsetTransform = null;

                Transform doorWindowTrf = Transform.Identity;
                // We will create a new mapped type if:
                // 1.  We are exporting part of a column or in-place wall (range != null), OR
                // 2.  We are using the instance's copy of the geometry (that it, it has unique geometry), OR
                // 3.  We haven't already created the type.
                bool creatingType = ((range != null) || useInstanceGeometry || !found);
                if (creatingType)
                {
                    IFCAnyHandle bodyRepresentation = null;
                    IFCAnyHandle planRepresentation = null;

                    // If we are using the instance geometry, ignore the transformation.
                    if (useInstanceGeometry)
                        trf = Transform.Identity;

                    // TODO: this code to be removed by ExtrusionAnalyzer code.
                    if (trySpecialColumnCreation)
                    {
                        XYZ rangeOffset = trf.Origin;
                        IFCFamilyInstanceExtrusionExportResults results;

                        results = ExporterIFCUtils.ExportFamilyInstanceAsExtrusion(exporterIFC, familyInstance, useInstanceGeometry, range, overrideLevelId, extraParams);

                        bodyRepresentation = results.GetExtrusionHandle();
                        extraOffset = results.ExtraOffset;
                        cutPairOpeningsForColumns = results.GetCutPairOpenings();

                        if (!IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepresentation))
                        {
                            typeInfo.MaterialIds.Add(results.MaterialId);
                            // add in level for real columns, not in-place ones.
                            Element actualLevel =
                               (overrideLevelId == ElementId.InvalidElementId) ? familyInstance.Level : doc.GetElement(overrideLevelId);
                            if (actualLevel != null)
                            {
                                IFCLevelInfo levelInfo = exporterIFC.GetLevelInfo(actualLevel.Id);
                                double nonStoryLevelOffset = LevelUtil.GetNonStoryLevelOffsetIfAny(exporterIFC, actualLevel as Level);
                                if (range != null)
                                {
                                    rangeOffset = new XYZ(rangeOffset.X, rangeOffset.Y, levelInfo.Elevation + nonStoryLevelOffset);
                                }
                            }
                        }

                        rangeOffset += extraOffset;
                        trf.Origin = rangeOffset;
                    }

                    IFCAnyHandle dummyPlacement = null;
                    if (doorWindowInfo != null)
                    {
                        doorWindowTrf = ExporterIFCUtils.GetTransformForDoorOrWindow(familyInstance, familySymbol, doorWindowInfo);
                    }
                    else
                    {
                        dummyPlacement = IFCInstanceExporter.CreateLocalPlacement(file, null, ExporterUtil.CreateAxis2Placement3D(file));
                        extraParams.SetLocalPlacement(dummyPlacement);
                    }

                    bool needToCreate2d = ExporterCacheManager.ExportOptionsCache.ExportAnnotations;
                    bool needToCreate3d = IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepresentation);

                    if (needToCreate2d || needToCreate3d)
                    {
                        using (IFCTransformSetter trfSetter = IFCTransformSetter.Create())
                        {
                            if (doorWindowInfo != null)
                            {
                                trfSetter.Initialize(exporterIFC, doorWindowTrf);
                            }

                            GeometryElement exportGeometry =
                               useInstanceGeometry ? familyInstance.get_Geometry(options) : familySymbol.get_Geometry(options);
                            if (exportGeometry == null)
                                return;

                            if (needToCreate3d)
                            {
                                SolidMeshGeometryInfo solidMeshCapsule = null;

                                if (range == null)
                                {
                                    solidMeshCapsule = GeometryUtil.GetSolidMeshGeometry(exportGeometry, Transform.Identity);
                                }
                                else
                                {
                                    solidMeshCapsule = GeometryUtil.GetClippedSolidMeshGeometry(exportGeometry, range);
                                }

                                IList<Solid> solids = solidMeshCapsule.GetSolids();
                                IList<Mesh> polyMeshes = solidMeshCapsule.GetMeshes();

                                if (range != null && (solids.Count == 0 && polyMeshes.Count == 0))
                                    return; // no proper split geometry

                                geomObjects = FamilyExporterUtil.RemoveSolidsAndMeshesSetToDontExport(doc, exporterIFC, solids, polyMeshes);
                                if (geomObjects.Count == 0 && (solids.Count > 0 || polyMeshes.Count > 0))
                                    return;

                                bool tryToExportAsExtrusion = (!exporterIFC.ExportAs2x2 || (exportType == IFCExportType.ExportColumnType));

                                if (exportType == IFCExportType.ExportColumnType)
                                {
                                    extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;

                                    if (ExporterCacheManager.ExportOptionsCache.ExportAs2x3CoordinationView2 &&
                                        solids.Count > 0)
                                    {
                                        LocationPoint point = familyInstance.Location as LocationPoint;
                                        XYZ orig = XYZ.Zero;
                                        if (point != null)
                                            orig = point.Point;

                                        Plane plane = new Plane(XYZ.BasisX, XYZ.BasisY, orig);
                                        bool completelyClipped = false;
                                        HashSet<ElementId> materialIds = null;
                                        bodyRepresentation = ExtrusionExporter.CreateExtrusionWithClipping(exporterIFC, familyInstance,
                                            categoryId, solids, plane, XYZ.BasisZ, null, out completelyClipped, out materialIds);
                                        typeInfo.MaterialIds = materialIds;
                                    }
                                }
                                else
                                {
                                    extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryXYZ;
                                }

                                BodyData bodyData = null;
                                if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepresentation))
                                {
                                    BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(tryToExportAsExtrusion);
                                    if (geomObjects.Count > 0)
                                    {
                                        bodyData = BodyExporter.ExportBody(familyInstance.Document.Application, exporterIFC, familyInstance, categoryId, ElementId.InvalidElementId,
                                            geomObjects, bodyExporterOptions, extraParams);
                                        typeInfo.MaterialIds = bodyData.MaterialIds;
                                    }
                                    else
                                    {
                                        IList<GeometryObject> exportedGeometries = new List<GeometryObject>();
                                        exportedGeometries.Add(exportGeometry);
                                        bodyData = BodyExporter.ExportBody(familyInstance.Document.Application, exporterIFC, familyInstance, categoryId, ElementId.InvalidElementId,
                                            exportedGeometries, bodyExporterOptions, extraParams);
                                    }
                                    bodyRepresentation = bodyData.RepresentationHnd;
                                    brepOffsetTransform = bodyData.BrepOffsetTransform;
                                }

                                if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepresentation))
                                {
                                    extraParams.ClearOpenings();
                                    return;
                                }
                            }

                            // By default: if exporting IFC2x3 or later, export 2D plan rep of family, if it exists, unless we are exporting Coordination View V2.
                            // This default can be overridden in the export options.
                            if (needToCreate2d)
                            {
                                XYZ curveOffset = new XYZ(0, 0, 0);
                                if (brepOffsetTransform != null)
                                    curveOffset = -brepOffsetTransform.Origin / scale;

                                HashSet<IFCAnyHandle> curveSet = new HashSet<IFCAnyHandle>();
                                {
                                    Transform planeTrf = doorWindowTrf.Inverse;
                                    Plane plane = new Plane(planeTrf.get_Basis(0), planeTrf.get_Basis(1), planeTrf.Origin);
                                    XYZ projDir = new XYZ(0, 0, 1);

                                    IFCGeometryInfo IFCGeometryInfo = IFCGeometryInfo.CreateCurveGeometryInfo(exporterIFC, plane, projDir, true);
                                    ExporterIFCUtils.CollectGeometryInfo(exporterIFC, IFCGeometryInfo, exportGeometry, curveOffset, false);

                                    IList<IFCAnyHandle> curves = IFCGeometryInfo.GetCurves();
                                    foreach (IFCAnyHandle curve in curves)
                                        curveSet.Add(curve);

                                    if (curveSet.Count > 0)
                                    {
                                        IFCAnyHandle contextOfItems2d = exporterIFC.Get2DContextHandle();
                                        IFCAnyHandle curveRepresentationItem = IFCInstanceExporter.CreateGeometricSet(file, curveSet);
                                        HashSet<IFCAnyHandle> bodyItems = new HashSet<IFCAnyHandle>();
                                        bodyItems.Add(curveRepresentationItem);
                                        planRepresentation = RepresentationUtil.CreateGeometricSetRep(exporterIFC, familyInstance, categoryId, "Annotation",
                                           contextOfItems2d, bodyItems);
                                    }
                                }
                            }
                        }
                    }

                    if (doorWindowInfo != null)
                    {
                        typeInfo.StyleTransform = doorWindowTrf.Inverse;
                    }
                    else
                    {
                        if (!MathUtil.IsAlmostZero(extraOffset.DotProduct(extraOffset)))
                        {
                            Transform newTransform = typeInfo.StyleTransform;
                            XYZ newOrig = newTransform.Origin + extraOffset;
                            newTransform.Origin = newOrig;
                            typeInfo.StyleTransform = newTransform;
                        }
                        typeInfo.StyleTransform = ExporterIFCUtils.GetUnscaledTransform(exporterIFC, extraParams.GetLocalPlacement());
                    }

                    IFCAnyHandle origin = ExporterUtil.CreateAxis2Placement3D(file);
                    IFCAnyHandle repMap2dHnd = null;
                    IFCAnyHandle repMap3dHnd = IFCInstanceExporter.CreateRepresentationMap(file, origin, bodyRepresentation);

                    IList<IFCAnyHandle> repMapList = new List<IFCAnyHandle>();
                    repMapList.Add(repMap3dHnd);
                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(planRepresentation))
                    {
                        repMap2dHnd = IFCInstanceExporter.CreateRepresentationMap(file, origin, planRepresentation);
                        repMapList.Add(repMap2dHnd);
                    }

                    // for Door, Window
                    bool paramTakesPrecedence = false; // For Revit, this is currently always false.
                    bool sizeable = false;

                    // for many
                    HashSet<IFCAnyHandle> propertySets = new HashSet<IFCAnyHandle>();

                    string guid = GUIDUtil.CreateGUID(familySymbol);
                    string symId = NamingUtil.CreateIFCElementId(familySymbol);

                    // This covers many generic types.  If we can't find it in the list here, do custom exports.
                    IFCAnyHandle typeStyle = FamilyExporterUtil.ExportGenericType(file, exportType, ifcEnumType, guid,
                       ownerHistory, objectType, null, null, propertySets, repMapList, symId, objectType,
                       familyInstance, familySymbol);

                    // Cover special cases not covered above.
                    if (IFCAnyHandleUtil.IsNullOrHasNoValue(typeStyle))
                    {
                        switch (exportType)
                        {
                            case IFCExportType.ExportColumnType:
                                {
                                    // If we are using the instance GRep, then we have to create a generic GUID for the
                                    // column type, as they share the same ElementId.
                                    string colGUID = null;
                                    string colElemId = null;

                                    if (useInstanceGeometry)
                                        colGUID = GUIDUtil.CreateGUID();
                                    else
                                        colGUID = guid;
                                    colElemId = NamingUtil.CreateIFCElementId(familySymbol);

                                    string columnType = "Column";
                                    typeStyle = IFCInstanceExporter.CreateColumnType(file, colGUID, ownerHistory, objectType,
                                       null, null, propertySets, repMapList, colElemId,
                                       objectType, GetColumnType(familyInstance, columnType));

                                    break;
                                }
                            case IFCExportType.ExportDoorType:
                                {
                                    string constructionType = string.Empty;
                                    ParameterUtil.GetStringValueFromElementOrSymbol(familyInstance, "Construction", out constructionType);

                                    IFCAnyHandle doorLining = DoorWindowUtil.CreateDoorLiningProperties(exporterIFC, familyInstance);
                                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(doorLining))
                                        propertySets.Add(doorLining);

                                    IList<IFCAnyHandle> doorPanels = DoorWindowUtil.CreateDoorPanelProperties(exporterIFC, doorWindowInfo,
                                       familyInstance);
                                    propertySets.UnionWith(doorPanels);

                                    string doorStyleGUID = GUIDUtil.CreateGUID();
                                    string doorStyleElemId = NamingUtil.CreateIFCElementId(familySymbol);
                                    typeStyle = IFCInstanceExporter.CreateDoorStyle(file, doorStyleGUID, ownerHistory, objectType,
                                       null, null, propertySets, repMapList, doorStyleElemId,
                                       GetDoorStyleOperation(doorWindowInfo.DoorOperationType), GetDoorStyleConstruction(familyInstance, constructionType),
                                       paramTakesPrecedence, sizeable);
                                    break;
                                }
                            case IFCExportType.ExportSystemFurnitureElementType:
                                {
                                    string furnitureId = NamingUtil.CreateIFCElementId(familySymbol);
                                    typeStyle = IFCInstanceExporter.CreateSystemFurnitureElementType(file, guid, ownerHistory, objectType,
                                       null, null, propertySets, repMapList, furnitureId,
                                       objectType);
                                    break;
                                }
                            case IFCExportType.ExportWindowType:
                                {
                                    Toolkit.IFCWindowStyleOperation operationType = DoorWindowUtil.GetIFCWindowStyleOperation(familySymbol);
                                    IFCWindowStyleConstruction constructionType = DoorWindowUtil.GetIFCWindowStyleConstruction(familyInstance, "");

                                    IFCAnyHandle windowLining = DoorWindowUtil.CreateWindowLiningProperties(exporterIFC, familyInstance, null);
                                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(windowLining))
                                        propertySets.Add(windowLining);

                                    IList<IFCAnyHandle> windowPanels =
                                       DoorWindowUtil.CreateWindowPanelProperties(exporterIFC, familyInstance, null);
                                    propertySets.UnionWith(windowPanels);

                                    string windowStyleGUID = GUIDUtil.CreateGUID();
                                    string windowStyleElemId = NamingUtil.CreateIFCElementId(familySymbol);
                                    typeStyle = IFCInstanceExporter.CreateWindowStyle(file, windowStyleGUID, ownerHistory, objectType,
                                       null, null, propertySets, repMapList, windowStyleElemId,
                                       constructionType, operationType, paramTakesPrecedence, sizeable);
                                    break;
                                }
                            case IFCExportType.ExportBuildingElementProxy:
                            default:
                                {
                                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repMap2dHnd))
                                        typeInfo.Map2DHandle = repMap2dHnd;
                                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repMap3dHnd))
                                        typeInfo.Map3DHandle = repMap3dHnd;
                                    break;
                                }
                        }
                    }

                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeStyle))
                    {
                        CategoryUtil.CreateMaterialAssociations(doc, exporterIFC, typeStyle, typeInfo.MaterialIds);

                        typeInfo.Style = typeStyle;

                        if (((exportType == IFCExportType.ExportColumnType) && trySpecialColumnCreation) ||
                           (exportType == IFCExportType.ExportMemberType))
                        {
                            typeInfo.ScaledArea = extraParams.ScaledArea;
                            typeInfo.ScaledDepth = extraParams.ScaledLength;
                            typeInfo.ScaledInnerPerimeter = extraParams.ScaledInnerPerimeter;
                            typeInfo.ScaledOuterPerimeter = extraParams.ScaledOuterPerimeter;
                        }

                        ClassificationUtil.CreateUniformatClassification(exporterIFC, file, familySymbol, typeStyle);
                    }
                }
                else if (!creatingType && (trySpecialColumnCreation))
                {
                    // still need to modify instance trf for columns.
                    trf.Origin += GetLevelOffsetForExtrudedColumns(exporterIFC, familyInstance, overrideLevelId, extraParams);
                }

                if (found && !typeInfo.IsValid())
                {
                    typeInfo = currentTypeInfo;
                }

                // we'll pretend we succeeded, but we'll do nothing.
                if (!typeInfo.IsValid())
                    return;

                // add to the map, as long as we are not using range, not using instance geometry, and don't have extra openings.
                if ((range == null) && !useInstanceGeometry && (extraParams.GetOpenings().Count == 0))
                    ExporterCacheManager.TypeObjectsCache.Register(familySymbol.Id, flipped, typeInfo);

                Transform oldTrf = new Transform(trf);
                XYZ scaledMapOrigin = XYZ.Zero;

                trf = trf.Multiply(typeInfo.StyleTransform);

                // create instance.
                IList<IFCAnyHandle> shapeReps = new List<IFCAnyHandle>();
                {
                    IFCAnyHandle contextOfItems2d = exporterIFC.Get2DContextHandle();
                    IFCAnyHandle contextOfItems3d = exporterIFC.Get3DContextHandle("Body");

                    // for proxies, we store the IfcRepresentationMap directly since there is no style.
                    IFCAnyHandle style = typeInfo.Style;
                    IList<IFCAnyHandle> repMapList = !IFCAnyHandleUtil.IsNullOrHasNoValue(style) ?
                        GeometryUtil.GetRepresentationMaps(style) : null;
                    int numReps = repMapList != null ? repMapList.Count : 0;

                    IFCAnyHandle repMap2dHnd = typeInfo.Map2DHandle;
                    IFCAnyHandle repMap3dHnd = typeInfo.Map3DHandle;
                    if (IFCAnyHandleUtil.IsNullOrHasNoValue(repMap3dHnd) && (numReps > 0))
                        repMap3dHnd = repMapList[0];
                    if (IFCAnyHandleUtil.IsNullOrHasNoValue(repMap2dHnd) && (numReps > 1))
                        repMap2dHnd = repMapList[1];

                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repMap3dHnd))
                    {
                        IList<IFCAnyHandle> representations = new List<IFCAnyHandle>();
                        representations.Add(ExporterUtil.CreateDefaultMappedItem(file, repMap3dHnd, scaledMapOrigin));
                        IFCAnyHandle shapeRep = RepresentationUtil.CreateBodyMappedItemRep(exporterIFC, familyInstance, categoryId, contextOfItems3d,
                            representations);
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
                            return;
                        shapeReps.Add(shapeRep);
                    }

                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repMap2dHnd))
                    {
                        HashSet<IFCAnyHandle> representations = new HashSet<IFCAnyHandle>();
                        representations.Add(ExporterUtil.CreateDefaultMappedItem(file, repMap2dHnd, scaledMapOrigin));
                        IFCAnyHandle shapeRep = RepresentationUtil.CreatePlanMappedItemRep(exporterIFC, familyInstance, categoryId, contextOfItems2d,
                            representations);
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
                            return;
                        shapeReps.Add(shapeRep);
                    }
                }

                IFCAnyHandle boundingBoxRep = null;
                Transform boundingBoxTrf = (brepOffsetTransform != null) ? brepOffsetTransform.Inverse : Transform.Identity;
                if (geomObjects.Count > 0)
                    boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomObjects, boundingBoxTrf);
                else
                {
                    boundingBoxTrf = boundingBoxTrf.Multiply(trf.Inverse);
                    boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, familyInstance.get_Geometry(options), boundingBoxTrf);
                }

                if (boundingBoxRep != null)
                    shapeReps.Add(boundingBoxRep);

                IFCAnyHandle rep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps);

                IFCAnyHandle instanceHandle = null;
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, familyInstance, trf, null, overrideLevelId))
                {
                    string instanceGUID = GUIDUtil.CreateGUID(familyInstance);
                    string instanceName = NamingUtil.GetIFCName(familyInstance);
                    string instanceDescription = NamingUtil.GetDescriptionOverride(familyInstance, null);
                    string instanceObjectType = NamingUtil.GetObjectTypeOverride(familyInstance, objectType);
                    string instanceElemId = NamingUtil.CreateIFCElementId(familyInstance);

                    IFCAnyHandle localPlacement = setter.GetPlacement();
                    IFCAnyHandle overrideLocalPlacement = null;

                    if (parentLocalPlacement != null)
                    {
                        Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(parentLocalPlacement, localPlacement);
                        Transform inverseTrf = relTrf.Inverse;

                        IFCAnyHandle relativePlacement = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
                        IFCAnyHandle plateLocalPlacement = IFCInstanceExporter.CreateLocalPlacement(file, parentLocalPlacement, relativePlacement);
                        overrideLocalPlacement = plateLocalPlacement;
                    }

                    instanceHandle = FamilyExporterUtil.ExportGenericInstance(exportType, exporterIFC, familyInstance,
                       wrapper, setter, extraParams, instanceGUID, ownerHistory, instanceName, instanceDescription, instanceObjectType,
                       exportParts ? null : rep, instanceElemId, overrideLocalPlacement);

                    if (exportParts)
                    {
                        PartExporter.ExportHostPart(exporterIFC, familyInstance, instanceHandle, familyProductWrapper, setter, setter.GetPlacement(), overrideLevelId);
                    }

                    if (ElementFilteringUtil.IsMEPType(exportType))
                        ExporterCacheManager.MEPCache.Register(familyInstance, instanceHandle);

                    switch (exportType)
                    {
                        case IFCExportType.ExportColumnType:
                            {
                                IFCAnyHandle placementToUse = localPlacement;
                                if (!useInstanceGeometry)
                                {
                                    bool needToCreateOpenings =
                                        (cutPairOpeningsForColumns.Count != 0) || OpeningUtil.NeedToCreateOpenings(instanceHandle, extraParams);
                                    if (needToCreateOpenings)
                                    {
                                        Transform openingTrf = new Transform(oldTrf);
                                        Transform extraRot = new Transform(oldTrf);
                                        extraRot.Origin = XYZ.Zero;
                                        openingTrf = openingTrf.Multiply(extraRot);
                                        openingTrf = openingTrf.Multiply(typeInfo.StyleTransform);

                                        IFCAnyHandle openingRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, openingTrf.Origin * scale,
                                           openingTrf.get_Basis(2), openingTrf.get_Basis(0));
                                        IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, localPlacement);
                                        GeometryUtil.SetRelativePlacement(openingPlacement, openingRelativePlacement);
                                        placementToUse = openingPlacement;
                                    }
                                }

                                OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, cutPairOpeningsForColumns,
                                   exporterIFC, placementToUse, setter, wrapper);
                                OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
                                   placementToUse, setter, wrapper);

                                //export Base Quantities.
                                PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, instanceHandle, familyInstance, typeInfo);

                                PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
                                break;
                            }
                        case IFCExportType.ExportDoorType:
                        case IFCExportType.ExportWindowType:
                            {
                                double doorHeight = doorWindowInfo.OpeningHeight;
                                if (doorHeight < MathUtil.Eps())
                                    doorHeight = GetMinSymbolHeight(familySymbol);
                                double doorWidth = doorWindowInfo.OpeningWidth;
                                if (doorWidth < MathUtil.Eps())
                                    doorWidth = GetMinSymbolWidth(familySymbol);

                                double height = doorHeight * scale;
                                double width = doorWidth * scale;

                                if (IFCAnyHandleUtil.IsNullOrHasNoValue(doorWindowInfo.GetLocalPlacement()))
                                    doorWindowInfo.SetLocalPlacement(localPlacement);

                                IFCAnyHandle doorWindowOrigLocalPlacement = doorWindowInfo.GetLocalPlacement();
                                Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(localPlacement, doorWindowOrigLocalPlacement);

                                IFCAnyHandle doorWindowRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, relTrf.Origin, relTrf.BasisZ, relTrf.BasisX);
                                IFCAnyHandle doorWindowLocalPlacement =
                                   IFCInstanceExporter.CreateLocalPlacement(file, doorWindowOrigLocalPlacement, doorWindowRelativePlacement);
                                if (exportType == IFCExportType.ExportDoorType)
                                    instanceHandle = IFCInstanceExporter.CreateDoor(file, instanceGUID, ownerHistory,
                                       instanceName, instanceDescription, instanceObjectType, doorWindowLocalPlacement,
                                       rep, instanceElemId, height, width);
                                else if (exportType == IFCExportType.ExportWindowType)
                                    instanceHandle = IFCInstanceExporter.CreateWindow(file, instanceGUID, ownerHistory,
                                       instanceName, instanceDescription, instanceObjectType, doorWindowLocalPlacement,
                                       rep, instanceElemId, height, width);
                                wrapper.AddElement(instanceHandle, setter, extraParams, true);

                                exporterIFC.RegisterSpaceBoundingElementHandle(instanceHandle, familyInstance.Id, setter.LevelId);

                                IFCAnyHandle placementToUse = doorWindowLocalPlacement;
                                if (!useInstanceGeometry)
                                {
                                    // correct the placement to the symbol space
                                    bool needToCreateOpenings = OpeningUtil.NeedToCreateOpenings(instanceHandle, extraParams);
                                    if (needToCreateOpenings)
                                    {
                                        Transform openingTrf = Transform.Identity;
                                        openingTrf.Origin = new XYZ(0, 0, setter.Offset);
                                        openingTrf = openingTrf.Multiply(doorWindowTrf);
                                        XYZ scaledOrigin = openingTrf.Origin * exporterIFC.LinearScale;
                                        IFCAnyHandle openingRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, scaledOrigin, openingTrf.BasisZ, openingTrf.BasisX);
                                        IFCAnyHandle openingLocalPlacement =
                                           IFCInstanceExporter.CreateLocalPlacement(file, doorWindowLocalPlacement, openingRelativePlacement);
                                        placementToUse = openingLocalPlacement;
                                    }
                                }
                                // only necessary when exporting as possible breps.
                                OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
                                   placementToUse, setter, wrapper);
                                if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities)
                                    ExporterIFCUtils.CreateDoorWindowBaseQuantities(exporterIFC, instanceHandle, (doorHeight * scale), (doorWidth * scale));

                                PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
                                break;
                            }
                        case IFCExportType.ExportMemberType:
                            {
                                OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
                                   localPlacement, setter, wrapper);

                                //export Base Quantities.
                                PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, instanceHandle, familyInstance, typeInfo);
                                // TODO: create PropertySet!
                                //createMemberPropertySet(exporter, pFamInst, pWrapper, extraParams);
                                PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
                                break;
                            }
                        case IFCExportType.ExportPlateType:
                            {
                                OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
                                   localPlacement, setter, wrapper);

                                // TODO: create PropertySet!
                                //createPlatePropertySet(exporter, pFamInst, pWrapper, extraParams);
                                PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
                                break;
                            }
                        case IFCExportType.ExportTransportElementType:
                            {
                                IFCAnyHandle localPlacementToUse;
                                ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);

                                instanceHandle = IFCInstanceExporter.CreateTransportElement(file, instanceGUID, ownerHistory,
                                   instanceName, instanceDescription, instanceObjectType,
                                   localPlacementToUse, rep, instanceElemId, null, null, null);

                                if (roomId == ElementId.InvalidElementId)
                                {
                                    wrapper.AddElement(instanceHandle, setter, extraParams, true);
                                }
                                else
                                {
                                    exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                                    wrapper.AddElement(instanceHandle, setter, extraParams, false);
                                }

                                PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
                                break;
                            }
                        case IFCExportType.ExportBuildingElementProxy:
                        default:
                            {
                                bool isBuildingElementProxy = (exportType == IFCExportType.ExportBuildingElementProxy);

                                IFCAnyHandle localPlacementToUse;
                                ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);

                                if (!isBuildingElementProxy)
                                {
                                    if (FamilyExporterUtil.IsDistributionControlElementSubType(exportType))
                                    {
                                        instanceHandle = IFCInstanceExporter.CreateDistributionControlElement(file, instanceGUID,
                                           ownerHistory, instanceName, instanceDescription, instanceObjectType,
                                           localPlacementToUse, rep, instanceElemId, null);

                                        if (roomId == ElementId.InvalidElementId)
                                        {
                                            wrapper.AddElement(instanceHandle, setter, extraParams, true);
                                        }
                                        else
                                        {
                                            exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                                            wrapper.AddElement(instanceHandle, setter, extraParams, false);
                                        }
                                    }
                                    else if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
                                    {
                                        isBuildingElementProxy = true;
                                    }
                                }

                                if (isBuildingElementProxy)
                                {
                                    Toolkit.IFCElementComposition proxyType = Toolkit.IFCElementComposition.Element;

                                    instanceHandle = IFCInstanceExporter.CreateBuildingElementProxy(file, instanceGUID,
                                       ownerHistory, instanceName, instanceDescription, instanceObjectType,
                                       localPlacementToUse, rep, instanceElemId, proxyType);

                                    if (roomId == ElementId.InvalidElementId)
                                    {
                                        wrapper.AddElement(instanceHandle, setter, extraParams, true);
                                    }
                                    else
                                    {
                                        exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                                        wrapper.AddElement(instanceHandle, setter, extraParams, false);
                                    }
                                }

                                IFCAnyHandle placementToUse = localPlacement;
                                if (!useInstanceGeometry)
                                {
                                    bool needToCreateOpenings = OpeningUtil.NeedToCreateOpenings(instanceHandle, extraParams);
                                    if (needToCreateOpenings)
                                    {
                                        Transform openingTrf = new Transform(oldTrf);
                                        Transform extraRot = new Transform(oldTrf);
                                        extraRot.Origin = XYZ.Zero;
                                        openingTrf = openingTrf.Multiply(extraRot);
                                        openingTrf = openingTrf.Multiply(typeInfo.StyleTransform);

                                        IFCAnyHandle openingRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, openingTrf.Origin * scale,
                                           openingTrf.get_Basis(2), openingTrf.get_Basis(0));
                                        IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, localPlacement);
                                        GeometryUtil.SetRelativePlacement(openingPlacement, openingRelativePlacement);
                                        placementToUse = openingPlacement;
                                    }
                                }

                                OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
                                   placementToUse, setter, wrapper);
                                PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, familyInstance, wrapper);
                                break;
                            }
                    }

                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
                    {
                        if (doorWindowInfo != null)
                        {
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(doorWindowInfo.GetOpening()))
                            {
                                string relGUID = GUIDUtil.CreateGUID();
                                IFCInstanceExporter.CreateRelFillsElement(file, relGUID, ownerHistory, null, null, doorWindowInfo.GetOpening(), instanceHandle);
                            }
                            else if (doorWindowInfo.NeedsOpening)
                            {
                                bool added = doorWindowInfo.SetDelayedFamilyInstance(instanceHandle, localPlacement, doorWindowInfo.AssignedLevelId);
                                if (added)
                                    exporterIFC.RegisterDoorWindowForOpeningUpdate(doorWindowInfo);
                                else
                                {
                                    // we need to fill a later opening.
                                    exporterIFC.RegisterDoorWindowForUncreatedOpening(familyInstance.Id, instanceHandle);
                                }
                            }
                        }

                        if (!exportParts)
                            CategoryUtil.CreateMaterialAssociations(doc, exporterIFC, instanceHandle, typeInfo.MaterialIds);

                        if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeInfo.Style))
                            ExporterCacheManager.TypeRelationsCache.Add(typeInfo.Style, instanceHandle);
                    }
                }
            }
        }
Esempio n. 2
0
        /// <summary>
        /// Exports a MEP family instance.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="element">
        /// The element.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="productWrapper">
        /// The IFCProductWrapper.
        /// </param>
        public static void Export(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, IFCProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                string        ifcEnumType;
                IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType);

                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
                {
                    IFCAnyHandle localPlacementToUse = setter.GetPlacement();
                    using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
                    {
                        ElementId catId = CategoryUtil.GetSafeCategoryId(element);

                        BodyExporterOptions bodyExporterOptions   = new BodyExporterOptions(true);
                        IFCAnyHandle        productRepresentation = RepresentationUtil.CreateBRepProductDefinitionShape(element.Document.Application,
                                                                                                                        exporterIFC, element, catId, geometryElement, bodyExporterOptions, null, extraParams);
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(productRepresentation))
                        {
                            extraParams.ClearOpenings();
                            return;
                        }

                        IFCAnyHandle   ownerHistory    = exporterIFC.GetOwnerHistoryHandle();
                        ElementId      typeId          = element.GetTypeId();
                        ElementType    type            = element.Document.GetElement(typeId) as ElementType;
                        FamilyTypeInfo currentTypeInfo = ExporterCacheManager.TypeObjectsCache.Find(typeId, false);

                        bool found = currentTypeInfo.IsValid();
                        if (!found)
                        {
                            string typeGUID            = ExporterIFCUtils.CreateGUID(type);
                            string origTypeName        = exporterIFC.GetName();
                            string typeName            = NamingUtil.GetNameOverride(type, origTypeName);
                            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>();

                            IFCAnyHandle styleHandle = FamilyExporterUtil.ExportGenericType(file, exportType, ifcEnumType, typeGUID, ownerHistory, typeName,
                                                                                            typeDescription, applicableOccurance, propertySetsOpt, repMapListOpt, typeElemId, typeName, element, type);
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(styleHandle))
                            {
                                currentTypeInfo.Style = styleHandle;
                                ExporterCacheManager.TypeObjectsCache.Register(typeId, false, currentTypeInfo);
                            }
                        }
                        string instanceGUID        = ExporterIFCUtils.CreateGUID(element);
                        string origInstanceName    = exporterIFC.GetName();
                        string instanceName        = NamingUtil.GetNameOverride(element, origInstanceName);
                        string objectType          = NamingUtil.CreateIFCObjectName(exporterIFC, element);
                        string instanceObjectType  = NamingUtil.GetObjectTypeOverride(element, objectType);
                        string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
                        string instanceElemId      = NamingUtil.CreateIFCElementId(element);

                        bool roomRelated = !FamilyExporterUtil.IsDistributionFlowElementSubType(exportType);

                        ElementId roomId = ElementId.InvalidElementId;
                        if (roomRelated)
                        {
                            roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse);
                        }

                        IFCAnyHandle instanceHandle = null;
                        if (FamilyExporterUtil.IsFurnishingElementSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFurnishingElement(file, instanceGUID, ownerHistory,
                                                                                         instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsDistributionFlowElementSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateDistributionFlowElement(file, instanceGUID, ownerHistory,
                                                                                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsEnergyConversionDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateEnergyConversionDevice(file, instanceGUID, ownerHistory,
                                                                                              instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowFittingSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowFitting(file, instanceGUID, ownerHistory,
                                                                                   instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowMovingDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowMovingDevice(file, instanceGUID, ownerHistory,
                                                                                        instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowSegmentSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowSegment(file, instanceGUID, ownerHistory,
                                                                                   instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowStorageDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowStorageDevice(file, instanceGUID, ownerHistory,
                                                                                         instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowTerminalSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowTerminal(file, instanceGUID, ownerHistory,
                                                                                    instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowTreatmentDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowTreatmentDevice(file, instanceGUID, ownerHistory,
                                                                                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowControllerSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowController(file, instanceGUID, ownerHistory,
                                                                                      instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
                        {
                            return;
                        }

                        if (roomId != ElementId.InvalidElementId)
                        {
                            exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                            productWrapper.AddElement(instanceHandle, setter, extraParams, false);
                        }
                        else
                        {
                            productWrapper.AddElement(instanceHandle, setter, extraParams, LevelUtil.AssociateElementToLevel(element));
                        }

                        OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, element, extraParams, exporterIFC, localPlacementToUse, setter, productWrapper);

                        if (currentTypeInfo.IsValid())
                        {
                            ExporterCacheManager.TypeRelationsCache.Add(currentTypeInfo.Style, instanceHandle);
                        }

                        PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);

                        ExporterCacheManager.MEPCache.Register(element, instanceHandle);

                        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.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))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        IFCAnyHandle prodRep = null;
                        if (!exportParts)
                        {
                            ecData.SetLocalPlacement(setter.GetPlacement());
                            ecData.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;

                            ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);

                            BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                            prodRep = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC, element,
                                categoryId, geomElem, bodyExporterOptions, null, ecData);
                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(prodRep))
                            {
                                ecData.ClearOpenings();
                                return;
                            }
                        }
                        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);
                        }

                        Boolean containInSpace = false;
                        IFCAnyHandle localPlacementToUse = setter.GetPlacement();

                        // Assign ceiling to room/IfcSpace if it is bounding a single Room for FMHandOver view only
                        ExportOptionsCache exportOptionsCache = ExporterCacheManager.ExportOptionsCache;
                        if (String.Compare(exportOptionsCache.SelectedConfigName, "FMHandOverView") == 0)
                        {
                            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(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(covering, setter, null, LevelUtil.AssociateElementToLevel(element));

                        if (!exportParts)
                        {
                            Ceiling ceiling = element as Ceiling;
                            if (ceiling != null)
                            {
                                HostObjectExporter.ExportHostObjectMaterials(exporterIFC, ceiling, covering,
                                    geomElem, productWrapper, ElementId.InvalidElementId, Toolkit.IFCLayerSetDirection.Axis3);
                            }
                            else
                            {
                                ElementId matId = BodyExporter.GetBestMaterialIdFromGeometryOrParameter(geomElem, exporterIFC, element);
                                CategoryUtil.CreateMaterialAssociation(element.Document, exporterIFC, covering, matId);
                            }
                        }

                        OpeningUtil.CreateOpeningsIfNecessary(covering, element, ecData, exporterIFC, ecData.GetLocalPlacement(), setter, productWrapper);

                        PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);
                    }
                }
                transaction.Commit();
            }
        }
Esempio n. 4
0
        /// <summary>
        /// Exports a MEP family instance.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="element">
        /// The element.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="productWrapper">
        /// The IFCProductWrapper.
        /// </param>
        public static void Export(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, IFCProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();
            using (IFCTransaction tr = new IFCTransaction(file))
            {
                string ifcEnumType;
                IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType);

                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
                {
                    IFCAnyHandle localPlacementToUse = setter.GetPlacement();
                    using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
                    {

                        ElementId catId = CategoryUtil.GetSafeCategoryId(element);

                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                        IFCAnyHandle productRepresentation = RepresentationUtil.CreateBRepProductDefinitionShape(element.Document.Application,
                           exporterIFC, element, catId, geometryElement, bodyExporterOptions, null, extraParams);
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(productRepresentation))
                        {
                            extraParams.ClearOpenings();
                            return;
                        }

                        IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
                        ElementId typeId = element.GetTypeId();
                        ElementType type = element.Document.GetElement(typeId) as ElementType;
                        FamilyTypeInfo currentTypeInfo = ExporterCacheManager.TypeObjectsCache.Find(typeId, false);

                        bool found = currentTypeInfo.IsValid();
                        if (!found)
                        {
                            string typeGUID = ExporterIFCUtils.CreateGUID(type);
                            string origTypeName = exporterIFC.GetName();
                            string typeName = NamingUtil.GetNameOverride(type, origTypeName);
                            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>();

                            IFCAnyHandle styleHandle = FamilyExporterUtil.ExportGenericType(file, exportType, ifcEnumType, typeGUID, ownerHistory, typeName,
                               typeDescription, applicableOccurance, propertySetsOpt, repMapListOpt, typeElemId, typeName, element, type);
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(styleHandle))
                            {
                                currentTypeInfo.Style = styleHandle;
                                ExporterCacheManager.TypeObjectsCache.Register(typeId, false, currentTypeInfo);
                            }
                        }
                        string instanceGUID = ExporterIFCUtils.CreateGUID(element);
                        string origInstanceName = exporterIFC.GetName();
                        string instanceName = NamingUtil.GetNameOverride(element, origInstanceName);
                        string objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element);
                        string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, objectType);
                        string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
                        string instanceElemId = NamingUtil.CreateIFCElementId(element);

                        bool roomRelated = !FamilyExporterUtil.IsDistributionFlowElementSubType(exportType);

                        ElementId roomId = ElementId.InvalidElementId;
                        if (roomRelated)
                        {
                            roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse);
                        }

                        IFCAnyHandle instanceHandle = null;
                        if (FamilyExporterUtil.IsFurnishingElementSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFurnishingElement(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsDistributionFlowElementSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateDistributionFlowElement(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsEnergyConversionDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateEnergyConversionDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowFittingSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowFitting(file, instanceGUID, ownerHistory,
                              instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowMovingDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowMovingDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowSegmentSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowSegment(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowStorageDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowStorageDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowTerminalSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowTerminal(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowTreatmentDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowTreatmentDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (FamilyExporterUtil.IsFlowControllerSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowController(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
                            return;

                        if (roomId != ElementId.InvalidElementId)
                        {
                            exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                            productWrapper.AddElement(instanceHandle, setter, extraParams, false);
                        }
                        else
                        {
                            productWrapper.AddElement(instanceHandle, setter, extraParams, LevelUtil.AssociateElementToLevel(element));
                        }

                        OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, element, extraParams, exporterIFC, localPlacementToUse, setter, productWrapper);

                        if (currentTypeInfo.IsValid())
                            ExporterCacheManager.TypeRelationsCache.Add(currentTypeInfo.Style, instanceHandle);

                        PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, element, productWrapper);

                        ExporterCacheManager.MEPCache.Register(element, instanceHandle);

                        tr.Commit();
                    }
                }
            }
        }
        /// <summary>
        /// Exports a gutter element.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        public static void ExportGutter(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, ProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.SetLocalPlacement(setter.GetPlacement());

                        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 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);
                        IFCAnyHandle style = IFCInstanceExporter.CreatePipeSegmentType(file, GUIDUtil.CreateGUID(element), exporterIFC.GetOwnerHistoryHandle(),
                            elementTypeName, null, null, null, repMapList, NamingUtil.CreateIFCElementId(element), elementTypeName, IFCPipeSegmentType.Gutter);


                        List<IFCAnyHandle> representationMaps = GeometryUtil.GetRepresentationMaps(style);
                        IFCAnyHandle mappedItem = ExporterUtil.CreateDefaultMappedItem(file, representationMaps[0]);

                        IList<IFCAnyHandle> representations = new List<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 name = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                        string description = NamingUtil.GetDescriptionOverride(element, null);
                        string objectType = NamingUtil.GetObjectTypeOverride(element, elementTypeName);
                        string Tag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));

                        IFCAnyHandle elemHnd = IFCInstanceExporter.CreateFlowSegment(file, GUIDUtil.CreateGUID(element),
                            exporterIFC.GetOwnerHistoryHandle(), name, description, objectType, localPlacementToUse, prodRep,
                            Tag);

                        if (roomId == ElementId.InvalidElementId)
                        {
                            productWrapper.AddElement(elemHnd, setter.GetLevelInfo(), ecData, true);
                        }
                        else
                        {
                            exporterIFC.RelateSpatialElement(roomId, elemHnd);
                            productWrapper.AddElement(elemHnd, setter.GetLevelInfo(), ecData, false);
                        }

                        OpeningUtil.CreateOpeningsIfNecessary(elemHnd, element, ecData, exporterIFC,
                           localPlacementToUse, setter, productWrapper);
                    }

                    tr.Commit();
                }
            }
        }
        /// <summary>
        /// Exports a MEP family instance.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="element">
        /// The element.
        /// </param>
        /// <param name="geometryElement">
        /// The geometry element.
        /// </param>
        /// <param name="productWrapper">
        /// The IFCProductWrapper.
        /// </param>
        public static void Export(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, IFCProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();
            using (IFCTransaction tr = new IFCTransaction(file))
            {
                string ifcEnumType;
                IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, element, out ifcEnumType);

                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element))
                {
                    IFCAnyHandle localPlacementToUse = setter.GetPlacement();
                    IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData();

                    ElementId catId = CategoryUtil.GetSafeCategoryId(element);


                    IFCSolidMeshGeometryInfo solidMeshInfo = ExporterIFCUtils.GetSolidMeshGeometry(exporterIFC, geometryElement, Transform.Identity);
                    IList<Solid> solids = solidMeshInfo.GetSolids();
                    IList<Mesh> polyMeshes = solidMeshInfo.GetMeshes();

                    bool tryToExportAsExtrusion = true;
                    if (solids.Count != 1 || polyMeshes.Count != 0)
                        tryToExportAsExtrusion = false;

                    IFCAnyHandle shapeRep = BodyExporter.ExportBody(element.Document.Application, exporterIFC, catId, solids, polyMeshes, tryToExportAsExtrusion, extraParams);
                    if (!shapeRep.HasValue)
                        return;

                    IList<IFCAnyHandle> shapeReps = new List<IFCAnyHandle>();
                    shapeReps.Add(shapeRep);
                    IFCAnyHandle productRepresentation = file.CreateProductDefinitionShape(IFCLabel.Create(), IFCLabel.Create(), shapeReps);

                    IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
                    ElementId typeId = element.GetTypeId();
                    ElementType type = element.Document.get_Element(typeId) as ElementType;
                    IFCTypeInfo currentTypeInfo = exporterIFC.FindType(typeId, false);

                    bool found = currentTypeInfo.IsValid();
                    if (!found)
                    {
                        IFCLabel typeGUID = IFCLabel.CreateGUID(type);
                        IFCLabel origTypeName = NamingUtil.CreateIFCName(exporterIFC, -1);
                        IFCLabel typeName = NamingUtil.GetNameOverride(type, origTypeName);
                        IFCLabel typeObjectType = NamingUtil.CreateIFCObjectName(exporterIFC, type);
                        IFCLabel applicableOccurance = NamingUtil.GetObjectTypeOverride(type, typeObjectType);
                        IFCLabel typeDescription = NamingUtil.GetDescriptionOverride(type, IFCLabel.Create());
                        IFCLabel typeElemId = NamingUtil.CreateIFCElementId(type);

                        HashSet<IFCAnyHandle> propertySetsOpt = new HashSet<IFCAnyHandle>();
                        IList<IFCAnyHandle> repMapListOpt = new List<IFCAnyHandle>();

                        IFCAnyHandle styleHandle = FamilyExporterUtil.ExportGenericType(file, exportType, ifcEnumType, typeGUID, ownerHistory, typeName,
                           typeDescription, applicableOccurance, propertySetsOpt, repMapListOpt, typeElemId, typeName, element, type);
                        if (styleHandle.HasValue)
                        {
                            currentTypeInfo.SetStyle(styleHandle);
                            exporterIFC.AddType(typeId, false, currentTypeInfo);
                        }
                    }
                    IFCLabel instanceGUID = IFCLabel.CreateGUID(element);
                    IFCLabel origInstanceName = NamingUtil.CreateIFCName(exporterIFC, -1);
                    IFCLabel instanceName = NamingUtil.GetNameOverride(element, origInstanceName);
                    IFCLabel objectType = NamingUtil.CreateIFCObjectName(exporterIFC, element);
                    IFCLabel instanceObjectType = NamingUtil.GetObjectTypeOverride(element, objectType);
                    IFCLabel instanceDescription = NamingUtil.GetDescriptionOverride(element, IFCLabel.Create());
                    IFCLabel instanceElemId = NamingUtil.CreateIFCElementId(element);

                    bool roomRelated = !FamilyExporterUtil.IsDistributionFlowElementSubType(exportType);

                    ElementId roomId = ElementId.InvalidElementId;
                    if (roomRelated)
                    {
                        roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse);
                    }

                    IFCAnyHandle instanceHandle = IFCAnyHandle.Create();
                    if (FamilyExporterUtil.IsFurnishingElementSubType(exportType))
                    {
                        instanceHandle = file.CreateFurnishingElement(instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                    }
                    else if (FamilyExporterUtil.IsDistributionFlowElementSubType(exportType))
                    {
                        instanceHandle = file.CreateDistributionFlowElement(instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                    }
                    else if (FamilyExporterUtil.IsEnergyConversionDeviceSubType(exportType))
                    {
                        instanceHandle = file.CreateEnergyConversionDevice(instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                    }
                    else if (FamilyExporterUtil.IsFlowFittingSubType(exportType))
                    {
                        instanceHandle = file.CreateFlowFitting(instanceGUID, ownerHistory,
                          instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                    }
                    else if (FamilyExporterUtil.IsFlowMovingDeviceSubType(exportType))
                    {
                        instanceHandle = file.CreateFlowMovingDevice(instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                    }
                    else if (FamilyExporterUtil.IsFlowSegmentSubType(exportType))
                    {
                        instanceHandle = file.CreateFlowSegment(instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                    }
                    else if (FamilyExporterUtil.IsFlowStorageDeviceSubType(exportType))
                    {
                        instanceHandle = file.CreateFlowStorageDevice(instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                    }
                    else if (FamilyExporterUtil.IsFlowTerminalSubType(exportType))
                    {
                        instanceHandle = file.CreateFlowTerminal(instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                    }
                    else if (FamilyExporterUtil.IsFlowTreatmentDeviceSubType(exportType))
                    {
                        instanceHandle = file.CreateFlowTreatmentDevice(instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                    }
                    else if (FamilyExporterUtil.IsFlowControllerSubType(exportType))
                    {
                        instanceHandle = file.CreateFlowController(instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                    }

                    if (!instanceHandle.HasValue)
                        return;

                    if (roomId != ElementId.InvalidElementId)
                    {
                        exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                        productWrapper.AddElement(instanceHandle, setter, extraParams, false);
                    }
                    else
                    {
                        productWrapper.AddElement(instanceHandle, setter, extraParams, true);
                    }

                    OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, element, extraParams, exporterIFC, localPlacementToUse, setter, productWrapper);

                    if (currentTypeInfo.IsValid())
                        exporterIFC.AddTypeRelation(currentTypeInfo.GetStyle(), instanceHandle);

                    ExporterIFCUtils.CreateGenericElementPropertySet(exporterIFC, element, productWrapper);

                    tr.Commit();
                }
            }
        }
Esempio n. 7
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        /// <summary>
        /// Exports a generic family instance as IFC instance.
        /// </summary>
        /// <param name="type">The export type.</param>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="familyInstance">The element.</param>
        /// <param name="wrapper">The ProductWrapper.</param>
        /// <param name="setter">The IFCPlacementSetter.</param>
        /// <param name="extraParams">The extrusion creation data.</param>
        /// <param name="instanceGUID">The guid.</param>
        /// <param name="ownerHistory">The owner history handle.</param>
        /// <param name="instanceName">The name.</param>
        /// <param name="instanceDescription">The description.</param>
        /// <param name="instanceObjectType">The object type.</param>
        /// <param name="productRepresentation">The representation handle.</param>
        /// <param name="instanceElemId">The element id label.</param>
        /// <returns>The handle.</returns>
        public static IFCAnyHandle ExportGenericInstance(IFCExportType type,
           ExporterIFC exporterIFC, Element familyInstance,
           ProductWrapper wrapper, IFCPlacementSetter setter, IFCExtrusionCreationData extraParams,
           string instanceGUID, IFCAnyHandle ownerHistory,
           string instanceName, string instanceDescription, string instanceObjectType,
           IFCAnyHandle productRepresentation,
           string instanceTag, IFCAnyHandle overrideLocalPlacement)
        {
            IFCFile file = exporterIFC.GetFile();
            Document doc = familyInstance.Document;

            bool isRoomRelated = IsRoomRelated(type);
            bool isChildInContainer = familyInstance.AssemblyInstanceId != ElementId.InvalidElementId;

            IFCAnyHandle localPlacementToUse = setter.GetPlacement();
            ElementId roomId = ElementId.InvalidElementId;
            if (isRoomRelated)
            {
                roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);
            }

            //should remove the create method where there is no use of this handle for API methods
            //some places uses the return value of ExportGenericInstance as input parameter for API methods
            IFCAnyHandle instanceHandle = null;
            switch (type)
            {
                case IFCExportType.ExportColumnType:
                    {
                        instanceHandle = IFCInstanceExporter.CreateColumn(file, instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        break;
                    }
                case IFCExportType.ExportMemberType:
                    {
                        instanceHandle = IFCInstanceExporter.CreateMember(file, instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);

                        // Register the members's IFC handle for later use by truss export.
                        ExporterCacheManager.ElementToHandleCache.Register(familyInstance.Id, instanceHandle);

                        break;
                    }
                case IFCExportType.ExportPlateType:
                    {
                        IFCAnyHandle localPlacement = localPlacementToUse;
                        if (overrideLocalPlacement!= null)
                        {
                            isChildInContainer = true;
                            localPlacement = overrideLocalPlacement;
                        }

                        instanceHandle = IFCInstanceExporter.CreatePlate(file, instanceGUID, ownerHistory,
                            instanceName, instanceDescription, instanceObjectType, localPlacement, productRepresentation, instanceTag);
                        break;
                    }
                case IFCExportType.ExportDiscreteAccessoryType:
                    {
                        instanceHandle = IFCInstanceExporter.CreateDiscreteAccessory(file, instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        break;
                    }
                case IFCExportType.ExportDistributionControlElement:
                    {
                        instanceHandle = IFCInstanceExporter.CreateDistributionControlElement(file, instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag,
                           null);
                        break;
                    }
                case IFCExportType.ExportDistributionElement:
                    {
                        instanceHandle = IFCInstanceExporter.CreateDistributionElement(file, instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        break;
                    }
                case IFCExportType.ExportFastenerType:
                    {
                        instanceHandle = IFCInstanceExporter.CreateFastener(file, instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        break;
                    }
                case IFCExportType.ExportMechanicalFastenerType:
                    {
                        double? nominalDiameter = null;
                        double? nominalLength = null;

                        double nominalDiameterVal, nominalLengthVal;

                        double scale = exporterIFC.LinearScale;

                        if (ParameterUtil.GetDoubleValueFromElementOrSymbol(familyInstance, "NominalDiameter", out nominalDiameterVal) != null)
                            nominalDiameter = nominalDiameterVal * scale;
                        if (ParameterUtil.GetDoubleValueFromElementOrSymbol(familyInstance, "NominalLength", out nominalLengthVal) != null)
                            nominalLength = nominalLengthVal * scale;

                        instanceHandle = IFCInstanceExporter.CreateMechanicalFastener(file, instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag,
                           nominalDiameter, nominalLength);
                        break;
                    }
                case IFCExportType.ExportRailingType:
                    {
                        string strEnumType;
                        IFCExportType exportAs = ExporterUtil.GetExportType(exporterIFC, familyInstance, out strEnumType);
                        instanceHandle = IFCInstanceExporter.CreateRailing(file, instanceGUID, ownerHistory, instanceName, instanceDescription,
                                instanceObjectType, localPlacementToUse, productRepresentation, instanceTag,
                                RailingExporter.GetIFCRailingType(familyInstance, strEnumType));
                        break;
                    }
                case IFCExportType.ExportSpace:
                    {
                        string instanceLongName = NamingUtil.GetLongNameOverride(familyInstance, NamingUtil.GetLongNameOverride(familyInstance, instanceName));
                        IFCInternalOrExternal internalOrExternal = CategoryUtil.IsElementExternal(familyInstance) ? IFCInternalOrExternal.External : IFCInternalOrExternal.Internal;

                        instanceHandle = IFCInstanceExporter.CreateSpace(file, instanceGUID, ownerHistory, instanceName, instanceDescription,
                            instanceObjectType, localPlacementToUse, productRepresentation, instanceLongName, IFCElementComposition.Element,
                            internalOrExternal, null);
                        break;
                    }
                default:
                    {
                        if ((type == IFCExportType.ExportFurnishingElement) || IsFurnishingElementSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFurnishingElement(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if ((type == IFCExportType.ExportEnergyConversionDevice) || IsEnergyConversionDeviceSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateEnergyConversionDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if ((type == IFCExportType.ExportFlowFitting) || IsFlowFittingSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowFitting(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if ((type == IFCExportType.ExportFlowMovingDevice) || IsFlowMovingDeviceSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowMovingDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if ((type == IFCExportType.ExportFlowSegment) || IsFlowSegmentSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowSegment(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if ((type == IFCExportType.ExportFlowStorageDevice) || IsFlowStorageDeviceSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowStorageDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if ((type == IFCExportType.ExportFlowTerminal) || IsFlowTerminalSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowTerminal(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if ((type == IFCExportType.ExportFlowTreatmentDevice) || IsFlowTreatmentDeviceSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowTreatmentDevice(file, instanceGUID, ownerHistory,
                                   instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                            }
                        else if ((type == IFCExportType.ExportFlowController) || IsFlowControllerSubType(type))
                            {
                            instanceHandle = IFCInstanceExporter.CreateFlowController(file, instanceGUID, ownerHistory,
                                   instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                            }
                        else if ((type == IFCExportType.ExportDistributionFlowElement) || IsDistributionFlowElementSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateDistributionFlowElement(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if ((type == IFCExportType.ExportBuildingElementProxy) || (type == IFCExportType.ExportBuildingElementProxyType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateBuildingElementProxy(file, instanceGUID, ownerHistory,
                                   instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag, null);
                        }
                        break;
                    }
            }

            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
            {
                bool containedInSpace = (roomId != ElementId.InvalidElementId);
                bool associateToLevel = containedInSpace ? false : !isChildInContainer;
                wrapper.AddElement(familyInstance, instanceHandle, setter, extraParams, associateToLevel);
                if (containedInSpace)
                    exporterIFC.RelateSpatialElement(roomId, instanceHandle);
            }
            return instanceHandle;
        }
        /// <summary>
        /// Exports a generic family instance as IFC instance.
        /// </summary>
        /// <param name="type">The export type.</param>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="familyInstance">The element.</param>
        /// <param name="wrapper">The IFCProductWrapper.</param>
        /// <param name="setter">The IFCPlacementSetter.</param>
        /// <param name="extraParams">The extrusion creation data.</param>
        /// <param name="instanceGUID">The guid.</param>
        /// <param name="ownerHistory">The owner history handle.</param>
        /// <param name="instanceName">The name.</param>
        /// <param name="instanceDescription">The description.</param>
        /// <param name="instanceObjectType">The object type.</param>
        /// <param name="productRepresentation">The representation handle.</param>
        /// <param name="instanceElemId">The element id label.</param>
        /// <returns>The handle.</returns>
        public static IFCAnyHandle ExportGenericInstance(IFCExportType type,
           ExporterIFC exporterIFC, Element familyInstance,
           IFCProductWrapper wrapper, IFCPlacementSetter setter, IFCExtrusionCreationData extraParams,
           IFCLabel instanceGUID, IFCAnyHandle ownerHistory,
           IFCLabel instanceName, IFCLabel instanceDescription, IFCLabel instanceObjectType,
           IFCAnyHandle productRepresentation,
           IFCLabel instanceElemId)
        {
            IFCFile file = exporterIFC.GetFile();
            Document doc = familyInstance.Document;

            bool isRoomRelated = IsRoomRelated(type);

            IFCAnyHandle localPlacementToUse = setter.GetPlacement();
            ElementId roomId = ElementId.InvalidElementId;
            if (isRoomRelated)
            {
                roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);
            }

            IFCAnyHandle instanceHandle = IFCAnyHandle.Create();
            switch (type)
            {
                case IFCExportType.ExportColumnType:
                    {
                        instanceHandle = file.CreateColumn(instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        break;
                    }
                case IFCExportType.ExportMemberType:
                    {
                        instanceHandle = file.CreateMember(instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        break;
                    }
                case IFCExportType.ExportPlateType:
                    {
                        instanceHandle = file.CreatePlate(instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        break;
                    }
                default:
                    {
                        if (IsFurnishingElementSubType(type))
                        {
                            instanceHandle = file.CreateFurnishingElement(instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (IsDistributionFlowElementSubType(type))
                        {
                            instanceHandle = file.CreateDistributionFlowElement(instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (IsEnergyConversionDeviceSubType(type))
                        {
                            instanceHandle = file.CreateEnergyConversionDevice(instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (IsFlowFittingSubType(type))
                        {
                            instanceHandle = file.CreateFlowFitting(instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (IsFlowMovingDeviceSubType(type))
                        {
                            instanceHandle = file.CreateFlowMovingDevice(instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (IsFlowSegmentSubType(type))
                        {
                            instanceHandle = file.CreateFlowSegment(instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (IsFlowStorageDeviceSubType(type))
                        {
                            instanceHandle = file.CreateFlowStorageDevice(instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (IsFlowTerminalSubType(type))
                        {
                            instanceHandle = file.CreateFlowTerminal(instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (IsFlowTreatmentDeviceSubType(type))
                        {
                            instanceHandle = file.CreateFlowTreatmentDevice(instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        else if (IsFlowControllerSubType(type))
                        {
                            instanceHandle = file.CreateFlowController(instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceElemId);
                        }
                        break;
                    }
            }

            if (instanceHandle.HasValue)
            {
                if (roomId == ElementId.InvalidElementId)
                {
                    wrapper.AddElement(instanceHandle, setter, extraParams, true);
                }
                else
                {
                    exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                    wrapper.AddElement(instanceHandle, setter, extraParams, false);
                }
            }
            return instanceHandle;
        }
        /// <summary>
        /// Exports a family instance as a mapped item.
        /// </summary>
        /// <param name="exporterIFC">
        /// The ExporterIFC object.
        /// </param>
        /// <param name="familyInstance">
        /// The family instance to be exported.
        /// </param>
        /// <param name="exportType">
        /// The export type.
        /// </param>
        /// <param name="ifcEnumType">
        /// The string value represents the IFC type.
        /// </param>
        /// <param name="wrapper">
        /// The IFCProductWrapper.
        /// </param>
        /// <param name="overrideLevelId">
        /// The level id.
        /// </param>
        /// <param name="range">
        /// The range of this family instance to be exported.
        /// </param>
        public static void ExportFamilyInstanceAsMappedItem(ExporterIFC exporterIFC,
           FamilyInstance familyInstance, IFCExportType exportType, string ifcEnumType,
           IFCProductWrapper wrapper, ElementId overrideLevelId, UV range)
        {
            Document doc = familyInstance.Document;
            IFCFile file = exporterIFC.GetFile();

            FamilySymbol familySymbol = ExporterIFCUtils.GetOriginalSymbol(familyInstance);
            if (familySymbol == null)
                return;

            IFCProductWrapper familyProductWrapper = IFCProductWrapper.Create(wrapper);
            double scale = exporterIFC.LinearScale;

            IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();

            HostObject hostElement = familyInstance.Host as HostObject; //hostElement could be null
            ElementId categoryId = CategoryUtil.GetSafeCategoryId(familySymbol);

            //string emptyString = "";
            string familyName = familySymbol.Name;
            IFCLabel objectType = IFCLabel.Create(familyName);

            // A Family Instance can have its own copy of geometry, or use the symbol's copy with a transform.
            // The routine below tells us whether to use the Instance's copy or the Symbol's copy.
            bool useInstanceGeometry = ExporterIFCUtils.UsesInstanceGeometry(familyInstance);

            IList<IFCExtrusionData> cutPairOpeningsForColumns = new List<IFCExtrusionData>();
            IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData();

            Transform trf = familyInstance.GetTransform();

            // Extra information if we are exporting a door or a window.
            IFCDoorWindowInfo doorWindowInfo = null;
            if (exportType == IFCExportType.ExportDoorType)
                doorWindowInfo = IFCDoorWindowInfo.CreateDoorInfo(exporterIFC, familyInstance, familySymbol, hostElement, overrideLevelId, trf);
            else if (exportType == IFCExportType.ExportWindowType)
                doorWindowInfo = IFCDoorWindowInfo.CreateWindowInfo(exporterIFC, familyInstance, familySymbol, hostElement, overrideLevelId, trf);

            IFCTypeInfo typeInfo = new IFCTypeInfo();
            XYZ extraOffset = XYZ.Zero;

            bool flipped = doorWindowInfo != null ? doorWindowInfo.IsSymbolFlipped : false;
            IFCTypeInfo currentTypeInfo = exporterIFC.FindType(familySymbol.Id, flipped);
            bool found = currentTypeInfo.IsValid();

            Family family = familySymbol.Family;

            // TODO: this code to be removed by ExtrusionAnalyzer code.
            bool trySpecialColumnCreation = ((exportType == IFCExportType.ExportColumnType) && (!family.IsInPlace));

            // We will create a new mapped type if:
            // 1.  We are exporting part of a column or in-place wall (range != null), OR
            // 2.  We are using the instance's copy of the geometry (that it, it has unique geometry), OR
            // 3.  We haven't already created the type.
            bool creatingType = ((range != null) || useInstanceGeometry || !found);
            if (creatingType)
            {
                IFCAnyHandle bodyRepresentation = IFCAnyHandle.Create();
                IFCAnyHandle planRepresentation = IFCAnyHandle.Create();

                // If we are using the instance geometry, ignore the transformation.
                if (useInstanceGeometry)
                    trf = Transform.Identity;

                // TODO: this code to be removed by ExtrusionAnalyzer code.
                if (trySpecialColumnCreation)
                {
                    XYZ rangeOffset = trf.Origin;
                    IFCFamilyInstanceExtrusionExportResults results;
                    if (range != null)
                    {
                        results = ExporterIFCUtils.ExportFamilyInstanceAsExtrusion(exporterIFC, familyInstance, useInstanceGeometry, range, overrideLevelId, extraParams);
                    }
                    else
                    {
                        results = ExporterIFCUtils.ExportFamilyInstanceAsExtrusion(exporterIFC, familyInstance, useInstanceGeometry, overrideLevelId, extraParams);
                    }
                    bodyRepresentation = results.GetExtrusionHandle();
                    extraOffset = results.ExtraOffset;
                    cutPairOpeningsForColumns = results.GetCutPairOpenings();

                    if (bodyRepresentation.HasValue)
                    {
                        typeInfo.MaterialId = results.MaterialId;
                        // add in level for real columns, not in-place ones.
                        Element actualLevel =
                           (overrideLevelId == ElementId.InvalidElementId) ? familyInstance.Level : doc.get_Element(overrideLevelId);
                        if (actualLevel != null)
                        {
                            IFCLevelInfo levelInfo = exporterIFC.GetLevelInfo(actualLevel.Id);
                            double nonStoryLevelOffset = LevelUtil.GetNonStoryLevelOffsetIfAny(exporterIFC, actualLevel as Level);
                            if (range != null)
                            {
                                rangeOffset = new XYZ(rangeOffset.X, rangeOffset.Y, levelInfo.Elevation + nonStoryLevelOffset);
                            }
                        }
                    }

                    rangeOffset += extraOffset;
                    trf.Origin = rangeOffset;
                }

                Transform doorWindowTrf = Transform.Identity;
                IFCAnyHandle dummyPlacement = IFCAnyHandle.Create();
                if (doorWindowInfo != null)
                {
                    doorWindowTrf = ExporterIFCUtils.GetTransformForDoorOrWindow(familyInstance, familySymbol, doorWindowInfo);
                }
                else
                {
                    dummyPlacement = file.CreateLocalPlacement(IFCAnyHandle.Create(), file.CreateAxis2Placement3D());
                    extraParams.SetLocalPlacement(dummyPlacement);
                }

                bool needToCreate2d = (!exporterIFC.ExportAs2x2);
                bool needToCreate3d = (!bodyRepresentation.HasValue);

                if (needToCreate2d || needToCreate3d)
                {
                    using (IFCTransformSetter trfSetter = IFCTransformSetter.Create())
                    {
                        if (doorWindowInfo != null)
                        {
                            trfSetter.Initialize(exporterIFC, doorWindowTrf);
                        }

                        Options options = new Options();
                        GeometryElement exportGeometry =
                           useInstanceGeometry ? familyInstance.get_Geometry(options) : familySymbol.get_Geometry(options);
                        if (exportGeometry == null)
                            return;

                        if (needToCreate3d)
                        {
                            IFCSolidMeshGeometryInfo solidMeshInfo;

                            if (range == null)
                                solidMeshInfo = ExporterIFCUtils.GetSolidMeshGeometry(exporterIFC, exportGeometry, Transform.Identity);
                            else
                                solidMeshInfo = ExporterIFCUtils.GetClippedSolidMeshGeometry(exporterIFC, range, exportGeometry);

                            IList<Solid> solids = solidMeshInfo.GetSolids();
                            IList<Mesh> polyMeshes = solidMeshInfo.GetMeshes();

                            bool tryToExportAsExtrusion = (!exporterIFC.ExportAs2x2 || (exportType == IFCExportType.ExportColumnType));

                            if (exportType == IFCExportType.ExportColumnType)
                            {
                                extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;
                            }
                            else
                            {
                                extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryXYZ;
                            }

                            if (solids.Count > 0 || polyMeshes.Count > 0)
                            {
                                bodyRepresentation = BodyExporter.ExportBody(familyInstance.Document.Application, exporterIFC, categoryId, solids, polyMeshes,
                                    tryToExportAsExtrusion, extraParams);
                                typeInfo.MaterialId = BodyExporter.GetBestMaterialIdForGeometry(solids, polyMeshes);
                            }
                            else
                            {
                                IList<GeometryObject> exportedGeometries = new List<GeometryObject>();
                                exportedGeometries.Add(exportGeometry);
                                bodyRepresentation = BodyExporter.ExportBody(familyInstance.Document.Application, exporterIFC, categoryId, exportedGeometries,
                                   tryToExportAsExtrusion, extraParams);
                            }

                            if (!bodyRepresentation.HasValue)
                            {
                                extraParams.ClearOpenings();
                                return;
                            }
                        }

                        // if exporting IFC2x3 (or later), export 2D plan rep of family (if it exists).
                        if (needToCreate2d)
                        {
                            HashSet<IFCAnyHandle> curveSet = new HashSet<IFCAnyHandle>();
                            {
                                Transform planeTrf = doorWindowTrf.Inverse;
                                Plane plane = new Plane(planeTrf.get_Basis(0), planeTrf.get_Basis(1), planeTrf.Origin);
                                XYZ projDir = new XYZ(0, 0, 1);

                                IFCGeometryInfo IFCGeometryInfo = IFCGeometryInfo.CreateCurveGeometryInfo(exporterIFC, plane, projDir, true);
                                ExporterIFCUtils.CollectGeometryInfo(exporterIFC, IFCGeometryInfo, exportGeometry, planeTrf.Origin, false);

                                IList<IFCAnyHandle> curves = IFCGeometryInfo.GetCurves();
                                foreach (IFCAnyHandle curve in curves)
                                    curveSet.Add(curve);

                                if (curveSet.Count > 0)
                                {
                                    IFCAnyHandle contextOfItems2d = exporterIFC.Get2DContextHandle();
                                    IFCAnyHandle curveRepresentationItem = file.CreateGeometricSet(curveSet);
                                    HashSet<IFCAnyHandle> bodyItems = new HashSet<IFCAnyHandle>();
                                    bodyItems.Add(curveRepresentationItem);
                                    planRepresentation = RepresentationUtil.CreateGeometricSetRep(exporterIFC, categoryId, "Annotation",
                                       contextOfItems2d, bodyItems);
                                }
                            }
                        }
                    }
                }

                if (doorWindowInfo != null)
                {
                    typeInfo.SetStyleTransform(doorWindowTrf.Inverse);
                }
                else
                {
                    if (!MathUtil.IsAlmostZero(extraOffset.DotProduct(extraOffset)))
                    {
                        Transform newTransform = typeInfo.GetStyleTransform();
                        XYZ newOrig = newTransform.Origin + extraOffset;
                        newTransform.Origin = newOrig;
                        typeInfo.SetStyleTransform(newTransform);
                    }
                    typeInfo.SetStyleTransform(ExporterIFCUtils.GetUnscaledTransform(exporterIFC, extraParams.GetLocalPlacement()));
                }

                IFCLabel descriptionOpt = IFCLabel.Create();
                IFCLabel applicableOccurrenceOpt = IFCLabel.Create();

                IFCAnyHandle origin = file.CreateAxis2Placement3D();
                IFCAnyHandle repMap2dHnd = IFCAnyHandle.Create();
                IFCAnyHandle repMap3dHnd = file.CreateRepresentationMap(origin, bodyRepresentation);

                IList<IFCAnyHandle> repMapList = new List<IFCAnyHandle>();
                repMapList.Add(repMap3dHnd);
                if (planRepresentation.HasValue)
                {
                    repMap2dHnd = file.CreateRepresentationMap(origin, planRepresentation);
                    repMapList.Add(repMap2dHnd);
                }

                // for Door, Window
                bool paramTakesPrecedence = false; // For Revit, this is currently always false.
                bool sizeable = false;

                // for many
                HashSet<IFCAnyHandle> propertySets = new HashSet<IFCAnyHandle>();

                IFCLabel guid = IFCLabel.CreateGUID(familySymbol);
                IFCLabel symIdAsLabel = NamingUtil.CreateIFCElementId(familySymbol);

                // This covers many generic types.  If we can't find it in the list here, do custom exports.
                IFCAnyHandle typeStyle = FamilyExporterUtil.ExportGenericType(file, exportType, ifcEnumType, guid,
                   ownerHistory, objectType, descriptionOpt, applicableOccurrenceOpt, propertySets, repMapList, symIdAsLabel, objectType,
                   familyInstance, familySymbol);

                // Cover special cases not covered above.
                if (!typeStyle.HasValue)
                {
                    switch (exportType)
                    {
                        case IFCExportType.ExportColumnType:
                            {
                                // If we are using the instance GRep, then we have to create a generic GUID for the
                                // column type, as they share the same ElementId.
                                IFCLabel colGUID = IFCLabel.Create();
                                IFCLabel colElemId = IFCLabel.Create();

                                if (useInstanceGeometry)
                                {
                                    colGUID = IFCLabel.CreateGUID();
                                    colElemId = NamingUtil.CreateIFCElementId(familyInstance);
                                }
                                else
                                {
                                    colGUID = guid;
                                    colElemId = NamingUtil.CreateIFCElementId(familySymbol);
                                }

                                string columnType = "Column";
                                typeStyle = file.CreateColumnType(columnType, colGUID, ownerHistory, objectType,
                                   descriptionOpt, applicableOccurrenceOpt, propertySets, repMapList, colElemId,
                                   objectType, familyInstance, familySymbol);

                                break;
                            }
                        case IFCExportType.ExportDoorType:
                            {
                                string constructionType = string.Empty;
                                ParameterUtil.GetStringValueFromElementOrSymbol(familyInstance, "Construction", out constructionType);

                                IFCAnyHandle doorLining = DoorWindowUtil.CreateDoorLiningProperties(exporterIFC, familyInstance);
                                if (doorLining.HasValue)
                                    propertySets.Add(doorLining);

                                IList<IFCAnyHandle> doorPanels = DoorWindowUtil.CreateDoorPanelProperties(exporterIFC, doorWindowInfo,
                                   familyInstance);
                                propertySets.UnionWith(doorPanels);

                                IFCLabel doorStyleGUID = IFCLabel.CreateGUID();
                                IFCLabel doorStyleElemId = NamingUtil.CreateIFCElementId(familyInstance);
                                typeStyle = file.CreateDoorStyle(doorStyleGUID, ownerHistory, objectType,
                                   descriptionOpt, applicableOccurrenceOpt, propertySets, repMapList, doorStyleElemId,
                                   doorWindowInfo.DoorOperationType, constructionType, paramTakesPrecedence, sizeable);
                                break;
                            }
                        case IFCExportType.ExportSystemFurnitureElementType:
                            {
                                IFCLabel furnitureId = NamingUtil.CreateIFCElementId(familyInstance);
                                typeStyle = file.CreateSystemFurnitureElementType(guid, ownerHistory, objectType,
                                   descriptionOpt, applicableOccurrenceOpt, propertySets, repMapList, furnitureId,
                                   objectType);
                                break;
                            }
                        case IFCExportType.ExportWindowType:
                            {
                                IFCWindowStyleOperation operationType = DoorWindowUtil.GetIFCWindowStyleOperation(familySymbol);
                                string constructionType = DoorWindowUtil.GetIFCWindowStyleConstruction(familyInstance, "");

                                IFCAnyHandle windowLining = DoorWindowUtil.CreateWindowLiningProperties(exporterIFC, familyInstance, descriptionOpt);
                                if (windowLining.HasValue)
                                    propertySets.Add(windowLining);

                                IList<IFCAnyHandle> windowPanels =
                                   DoorWindowUtil.CreateWindowPanelProperties(exporterIFC, familyInstance, descriptionOpt);
                                propertySets.UnionWith(windowPanels);

                                IFCLabel windowStyleGUID = IFCLabel.CreateGUID();
                                IFCLabel windowStyleElemId = NamingUtil.CreateIFCElementId(familyInstance);
                                typeStyle = file.CreateWindowStyle(windowStyleGUID, ownerHistory, objectType,
                                   descriptionOpt, applicableOccurrenceOpt, propertySets, repMapList, windowStyleElemId,
                                   operationType, constructionType, paramTakesPrecedence, sizeable);
                                break;
                            }
                        case IFCExportType.ExportBuildingElementProxy:
                        default:
                            {
                                typeInfo.Set2DMapHandle(repMap2dHnd);
                                typeInfo.Set3DMapHandle(repMap3dHnd);
                                break;
                            }
                    }
                }

                typeInfo.SetStyle(typeStyle);

                // Transfer extraParams information for certain types.
                if (typeStyle.HasValue)
                {
                    if (((exportType == IFCExportType.ExportColumnType) && trySpecialColumnCreation) ||
                       (exportType == IFCExportType.ExportMemberType))
                    {
                        typeInfo.ScaledArea = extraParams.ScaledArea;
                        typeInfo.ScaledDepth = extraParams.ScaledLength;
                        typeInfo.ScaledInnerPerimeter = extraParams.ScaledInnerPerimeter;
                        typeInfo.ScaledOuterPerimeter = extraParams.ScaledOuterPerimeter;
                    }
                }
            }
            else if (!creatingType && (trySpecialColumnCreation))
            {
                // still need to modify instance trf for columns.
                trf.Origin += GetLevelOffsetForExtrudedColumns(exporterIFC, familyInstance, overrideLevelId, extraParams);
            }

            if (found && !typeInfo.GetStyle().HasValue)
            {
                typeInfo = currentTypeInfo;
            }

            // we'll pretend we succeeded, but we'll do nothing.
            if (!typeInfo.GetStyle().HasValue && !typeInfo.Get2DMapHandle().HasValue && !typeInfo.Get3DMapHandle().HasValue)
                return;

            // add to the map, as long as we are not using range, not using instance geometry, and don't have extra openings.
            if ((range == null) && !useInstanceGeometry && (extraParams.GetOpenings().Count == 0))
                exporterIFC.AddType(familySymbol.Id, flipped, typeInfo);

            Transform oldTrf = new Transform(trf);
            XYZ scaledMapOrigin = XYZ.Zero;

            trf = trf.Multiply(typeInfo.GetStyleTransform());

            // create instance.  
            IList<IFCAnyHandle> shapeReps = new List<IFCAnyHandle>();
            {
                IFCAnyHandle contextOfItems2d = exporterIFC.Get2DContextHandle();
                IFCAnyHandle contextOfItems3d = exporterIFC.Get3DContextHandle();

                // for proxies, we store the IfcRepresentationMap directly since there is no style.
                IList<IFCAnyHandle> repMapList = IFCGeometryUtils.GetRepresentationMaps(typeInfo.GetStyle());
                int numReps = repMapList.Count;

                IFCAnyHandle repMap2dHnd = typeInfo.Get2DMapHandle();
                IFCAnyHandle repMap3dHnd = typeInfo.Get3DMapHandle();
                if (!repMap3dHnd.HasValue && (numReps > 0))
                    repMap3dHnd = repMapList[0];
                if (!repMap2dHnd.HasValue && (numReps > 1))
                    repMap2dHnd = repMapList[1];

                if (repMap3dHnd.HasValue)
                {
                    HashSet<IFCAnyHandle> representations = new HashSet<IFCAnyHandle>();
                    representations.Add(ExporterUtil.CreateDefaultMappedItem(file, repMap3dHnd, scaledMapOrigin));
                    IFCAnyHandle shapeRep = RepresentationUtil.CreateBodyMappedItemRep(exporterIFC, categoryId, contextOfItems3d, representations);
                    if (!shapeRep.HasValue)
                        return;
                    shapeReps.Add(shapeRep);
                }

                if (repMap2dHnd.HasValue)
                {
                    HashSet<IFCAnyHandle> representations = new HashSet<IFCAnyHandle>();
                    representations.Add(ExporterUtil.CreateDefaultMappedItem(file, repMap2dHnd, scaledMapOrigin));
                    IFCAnyHandle shapeRep = RepresentationUtil.CreatePlanMappedItemRep(exporterIFC, categoryId, contextOfItems2d, representations);
                    if (!shapeRep.HasValue)
                        return;
                    shapeReps.Add(shapeRep);
                }
            }

            IFCLabel noDescriptionOpt = IFCLabel.Create();
            IFCLabel noNameOpt = IFCLabel.Create();
            IFCAnyHandle rep = file.CreateProductDefinitionShape(noNameOpt, noDescriptionOpt, shapeReps);

            IFCAnyHandle instanceHandle = IFCAnyHandle.Create();
            using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, familyInstance, trf, null, overrideLevelId))
            {
                IFCLabel instanceGUID = IFCLabel.CreateGUID(familyInstance);
                IFCLabel origInstanceName = NamingUtil.CreateIFCName(exporterIFC, -1);
                IFCLabel instanceName = NamingUtil.GetNameOverride(familyInstance, origInstanceName);
                IFCLabel instanceDescription = NamingUtil.GetDescriptionOverride(familyInstance, noDescriptionOpt);
                IFCLabel instanceObjectType = NamingUtil.GetObjectTypeOverride(familyInstance, objectType);
                IFCLabel instanceElemId = NamingUtil.CreateIFCElementId(familyInstance);

                IFCAnyHandle localPlacement = setter.GetPlacement();
                instanceHandle = FamilyExporterUtil.ExportGenericInstance(exportType, exporterIFC, familyInstance,
                   wrapper, setter, extraParams, instanceGUID, ownerHistory, instanceName, instanceDescription, instanceObjectType,
                   rep, instanceElemId);

                switch (exportType)
                {
                    case IFCExportType.ExportColumnType:
                        {
                            IFCAnyHandle placementToUse = localPlacement;
                            if (!useInstanceGeometry)
                            {
                                Transform openingTrf = new Transform(oldTrf);
                                Transform extraRot = new Transform(oldTrf);
                                extraRot.Origin = XYZ.Zero;
                                openingTrf = openingTrf.Multiply(extraRot);
                                openingTrf = openingTrf.Multiply(typeInfo.GetStyleTransform());

                                IFCAnyHandle openingRelativePlacement = file.CreateAxis2Placement3D(openingTrf.Origin * scale,
                                   openingTrf.get_Basis(2), openingTrf.get_Basis(0));
                                IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, localPlacement);
                                IFCGeometryUtils.SetRelativePlacement(openingPlacement, openingRelativePlacement);
                                placementToUse = openingPlacement;
                            }

                            OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, cutPairOpeningsForColumns,
                               exporterIFC, placementToUse, setter, wrapper);
                            OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
                               placementToUse, setter, wrapper);

                            //export Base Quantities.
                            ExporterIFCUtils.CreateBeamColumnBaseQuantities(exporterIFC, instanceHandle, familyInstance, typeInfo);

                            CategoryUtil.CreateMaterialAssociation(doc, exporterIFC, instanceHandle, typeInfo.MaterialId);

                            ExporterIFCUtils.CreateColumnPropertySet(exporterIFC, familyInstance, extraParams, wrapper);
                            break;
                        }
                    case IFCExportType.ExportDoorType:
                    case IFCExportType.ExportWindowType:
                        {
                            double doorHeight = doorWindowInfo.OpeningHeight;
                            if (doorHeight < MathUtil.Eps())
                                doorHeight = GetMinSymbolHeight(familySymbol);
                            double doorWidth = doorWindowInfo.OpeningWidth;
                            if (doorWidth < MathUtil.Eps())
                                doorWidth = GetMinSymbolWidth(familySymbol);

                            IFCMeasureValue height = IFCMeasureValue.Create(doorHeight * scale);
                            IFCMeasureValue width = IFCMeasureValue.Create(doorWidth * scale);

                            if (!doorWindowInfo.GetLocalPlacement().HasValue)
                                doorWindowInfo.SetLocalPlacement(localPlacement);

                            IFCAnyHandle doorWindowOrigLocalPlacement = doorWindowInfo.GetLocalPlacement();
                            Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(localPlacement, doorWindowOrigLocalPlacement);

                            IFCAnyHandle doorWindowRelativePlacement = file.CreateAxis2Placement3D(relTrf);
                            IFCAnyHandle doorWindowLocalPlacement =
                               file.CreateLocalPlacement(doorWindowOrigLocalPlacement, doorWindowRelativePlacement);
                            if (exportType == IFCExportType.ExportDoorType)
                                instanceHandle = file.CreateDoor(instanceGUID, ownerHistory,
                                   instanceName, instanceDescription, instanceObjectType, doorWindowLocalPlacement,
                                   rep, instanceElemId, height, width);
                            else if (exportType == IFCExportType.ExportWindowType)
                                instanceHandle = file.CreateWindow(instanceGUID, ownerHistory,
                                   instanceName, instanceDescription, instanceObjectType, doorWindowLocalPlacement,
                                   rep, instanceElemId, height, width);
                            wrapper.AddElement(instanceHandle, setter, extraParams, true);

                            exporterIFC.RegisterSpaceBoundingElementHandle(instanceHandle, familyInstance.Id, setter.LevelId);

                            // only necessary when exporting as possible breps.
                            OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
                               doorWindowLocalPlacement, setter, wrapper);
                            if (exporterIFC.ExportBaseQuantities)
                                ExporterIFCUtils.CreateDoorWindowBaseQuantities(exporterIFC, instanceHandle, (doorHeight * scale), (doorWidth * scale));

                            if (exportType == IFCExportType.ExportDoorType)
                                ExporterIFCUtils.CreateDoorPropertySet(exporterIFC, familyInstance, wrapper);
                            else
                                ExporterIFCUtils.CreateWindowPropertySet(exporterIFC, familyInstance, wrapper);
                            break;
                        }
                    case IFCExportType.ExportMemberType:
                        {
                            OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
                              localPlacement, setter, wrapper);
                            CategoryUtil.CreateMaterialAssociation(doc, exporterIFC, instanceHandle, typeInfo.MaterialId);

                            //export Base Quantities.
                            ExporterIFCUtils.CreateBeamColumnBaseQuantities(exporterIFC, instanceHandle, familyInstance, typeInfo);
                            // TODO: create PropertySet!
                            //createMemberPropertySet(exporter, pFamInst, pWrapper, extraParams);
                            ExporterIFCUtils.CreateGenericElementPropertySet(exporterIFC, familyInstance, wrapper);
                            break;
                        }
                    case IFCExportType.ExportPlateType:
                        {
                            OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
                              localPlacement, setter, wrapper);
                            CategoryUtil.CreateMaterialAssociation(doc, exporterIFC, instanceHandle, typeInfo.MaterialId);

                            // TODO: create PropertySet!
                            //createPlatePropertySet(exporter, pFamInst, pWrapper, extraParams);
                            ExporterIFCUtils.CreateGenericElementPropertySet(exporterIFC, familyInstance, wrapper);
                            break;
                        }
                    case IFCExportType.ExportTransportElementType:
                        {
                            string operationTypeOpt = "";
                            IFCMeasureValue capByWeightOpt = IFCMeasureValue.Create();
                            IFCMeasureValue capByNumOpt = IFCMeasureValue.Create();

                            IFCAnyHandle localPlacementToUse;
                            ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);

                            instanceHandle = file.CreateTransportElement(instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType,
                               localPlacementToUse, rep, instanceElemId, operationTypeOpt, capByWeightOpt, capByNumOpt,
                               familyInstance, familySymbol);

                            if (roomId == ElementId.InvalidElementId)
                            {
                                wrapper.AddElement(instanceHandle, setter, extraParams, true);
                            }
                            else
                            {
                                exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                                wrapper.AddElement(instanceHandle, setter, extraParams, false);
                            }

                            ExporterIFCUtils.CreateGenericElementPropertySet(exporterIFC, familyInstance, wrapper);
                            break;
                        }
                    case IFCExportType.ExportBuildingElementProxy:
                    default:
                        {
                            bool isBuildingElementProxy = (exportType == IFCExportType.ExportBuildingElementProxy);

                            if (!isBuildingElementProxy)
                            {
                                if (FamilyExporterUtil.IsDistributionControlElementSubType(exportType))
                                {
                                    IFCLabel controlElementId = IFCLabel.Create();
                                    IFCAnyHandle localPlacementToUse;
                                    ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);

                                    instanceHandle = file.CreateDistributionControlElement(instanceGUID,
                                       ownerHistory, instanceName, instanceDescription, instanceObjectType,
                                       localPlacement, rep, instanceElemId, controlElementId);

                                    if (roomId == ElementId.InvalidElementId)
                                    {
                                        wrapper.AddElement(instanceHandle, setter, extraParams, true);
                                    }
                                    else
                                    {
                                        exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                                        wrapper.AddElement(instanceHandle, setter, extraParams, false);
                                    }

                                    OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
                                       localPlacement, setter, wrapper);
                                }
                                else if (!instanceHandle.HasValue)
                                {
                                    isBuildingElementProxy = true;
                                }
                            }

                            if (isBuildingElementProxy)
                            {
                                IFCElementComposition proxyType = IFCElementComposition.Element;
                                IFCAnyHandle localPlacementToUse;
                                ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);

                                instanceHandle = file.CreateBuildingElementProxy(instanceGUID,
                                   ownerHistory, instanceName, instanceDescription, instanceObjectType,
                                   localPlacementToUse, rep, instanceElemId, proxyType);

                                if (roomId == ElementId.InvalidElementId)
                                {
                                    wrapper.AddElement(instanceHandle, setter, extraParams, true);
                                }
                                else
                                {
                                    exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                                    wrapper.AddElement(instanceHandle, setter, extraParams, false);
                                }

                                OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, exporterIFC,
                                   localPlacement, setter, wrapper);
                            }

                            ExporterIFCUtils.CreateGenericElementPropertySet(exporterIFC, familyInstance, wrapper);
                            break;
                        }
                }

                if (instanceHandle.HasValue)
                {
                    if (doorWindowInfo != null)
                    {
                        if (doorWindowInfo.GetOpening().HasValue)
                        {
                            IFCLabel relGUID = IFCLabel.CreateGUID();
                            file.CreateRelFillsElement(relGUID, ownerHistory, IFCLabel.Create(), IFCLabel.Create(), doorWindowInfo.GetOpening(), instanceHandle);
                        }
                        else if (doorWindowInfo.NeedsOpening)
                        {
                            bool added = doorWindowInfo.SetDelayedFamilyInstance(instanceHandle, localPlacement, doorWindowInfo.AssignedLevelId);
                            if (added)
                                exporterIFC.RegisterDoorWindowForOpeningUpdate(doorWindowInfo);
                            else
                            {
                                // we need to fill a later opening.
                                exporterIFC.RegisterDoorWindowForUncreatedOpening(familyInstance.Id, instanceHandle);
                            }
                        }
                    }

                    if (typeInfo.GetStyle().HasValue)
                        exporterIFC.AddTypeRelation(typeInfo.GetStyle(), instanceHandle);
                }
            }
        }
Esempio n. 10
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        /// <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();
            }
        }
        /// <summary>
        /// Exports a family instance as a mapped item.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="familyInstance">The family instance to be exported.</param>
        /// <param name="exportType">The export type.</param>
        /// <param name="ifcEnumType">The string value represents the IFC type.</param>
        /// <param name="wrapper">The ProductWrapper.</param>
        /// <param name="overrideLevelId">The level id.</param>
        /// <param name="range">The range of this family instance to be exported.</param>
        public static void ExportFamilyInstanceAsMappedItem(ExporterIFC exporterIFC,
           FamilyInstance familyInstance, IFCExportType exportType, string ifcEnumType,
           ProductWrapper wrapper, ElementId overrideLevelId, IFCRange range, IFCAnyHandle parentLocalPlacement)
        {
            bool exportParts = PartExporter.CanExportParts(familyInstance);
            bool isSplit = range != null;
            if (exportParts && !PartExporter.CanExportElementInPartExport(familyInstance, isSplit ? overrideLevelId : familyInstance.Level.Id, isSplit))
                return;

            Document doc = familyInstance.Document;
            IFCFile file = exporterIFC.GetFile();

            // The "originalFamilySymbol" has the right geometry, but should be used as little as possible.
            FamilySymbol originalFamilySymbol = ExporterIFCUtils.GetOriginalSymbol(familyInstance);
            FamilySymbol familySymbol = familyInstance.Symbol;
            if (originalFamilySymbol == null || familySymbol == null)
                return;

            ProductWrapper familyProductWrapper = ProductWrapper.Create(wrapper);
            double scale = exporterIFC.LinearScale;
            Options options = GeometryUtil.GetIFCExportGeometryOptions();

            IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();

            HostObject hostElement = familyInstance.Host as HostObject; //hostElement could be null
            ElementId categoryId = CategoryUtil.GetSafeCategoryId(familySymbol);

            //string emptyString = "";
            string familyName = familySymbol.Name;
            string revitObjectType = familyName;

            // A Family Instance can have its own copy of geometry, or use the symbol's copy with a transform.
            // The routine below tells us whether to use the Instance's copy or the Symbol's copy.
            bool useInstanceGeometry = ExporterIFCUtils.UsesInstanceGeometry(familyInstance);
            Transform trf = familyInstance.GetTransform();

            using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
            {
                bool exportingDoor = (exportType == IFCExportType.ExportDoorType);
                bool exportingWindow = (exportType == IFCExportType.ExportWindowType);
                bool exportingHostParts = PartExporter.CanExportParts(hostElement);
                HostObject hostElementForDoorWindow = exportingHostParts ? null : hostElement;

                // Extra information if we are exporting a door or a window.
                IFCDoorWindowInfo doorWindowInfo = null;
                if (exportingDoor)
                    doorWindowInfo = IFCDoorWindowInfo.CreateDoorInfo(exporterIFC, familyInstance, originalFamilySymbol, hostElementForDoorWindow, overrideLevelId, trf);
                else if (exportingWindow)
                    doorWindowInfo = IFCDoorWindowInfo.CreateWindowInfo(exporterIFC, familyInstance, originalFamilySymbol, hostElementForDoorWindow, overrideLevelId, trf);

                bool ignoreDoorWindowOpening = ((exportingDoor || exportingWindow) && exportingHostParts);

                FamilyTypeInfo typeInfo = new FamilyTypeInfo();

                bool flipped = doorWindowInfo != null ? doorWindowInfo.IsSymbolFlipped : false;
                FamilyTypeInfo currentTypeInfo = ExporterCacheManager.TypeObjectsCache.Find(originalFamilySymbol.Id, flipped);
                bool found = currentTypeInfo.IsValid();

                Family family = familySymbol.Family;

                IList<GeometryObject> geomObjects = new List<GeometryObject>();
                Transform offsetTransform = null;

                Transform doorWindowTrf = Transform.Identity;
                // We will create a new mapped type if:
                // 1.  We are exporting part of a column or in-place wall (range != null), OR
                // 2.  We are using the instance's copy of the geometry (that it, it has unique geometry), OR
                // 3.  We haven't already created the type.
                bool creatingType = ((range != null) || useInstanceGeometry || !found);
                if (creatingType)
                {
                    IFCAnyHandle bodyRepresentation = null;
                    IFCAnyHandle planRepresentation = null;

                    IFCAnyHandle dummyPlacement = null;
                    if (doorWindowInfo != null)
                    {
                        doorWindowTrf = ExporterIFCUtils.GetTransformForDoorOrWindow(familyInstance, originalFamilySymbol, doorWindowInfo);
                    }
                    else
                    {
                        dummyPlacement = IFCInstanceExporter.CreateLocalPlacement(file, null, ExporterUtil.CreateAxis2Placement3D(file));
                        extraParams.SetLocalPlacement(dummyPlacement);
                    }

                    bool needToCreate2d = ExporterCacheManager.ExportOptionsCache.ExportAnnotations;
                    GeometryElement exportGeometry =
                       useInstanceGeometry ? familyInstance.get_Geometry(options) : originalFamilySymbol.get_Geometry(options);

                    if (!exportParts)
                    {
                        using (IFCTransformSetter trfSetter = IFCTransformSetter.Create())
                        {
                            if (doorWindowInfo != null)
                            {
                                trfSetter.Initialize(exporterIFC, doorWindowTrf);
                            }

                            if (exportGeometry == null)
                                return;

                            SolidMeshGeometryInfo solidMeshCapsule = null;

                            if (range == null)
                            {
                                solidMeshCapsule = GeometryUtil.GetSplitSolidMeshGeometry(exportGeometry);
                            }
                            else
                            {
                                solidMeshCapsule = GeometryUtil.GetSplitClippedSolidMeshGeometry(exportGeometry, range);
                            }

                            IList<Solid> solids = solidMeshCapsule.GetSolids();
                            IList<Mesh> polyMeshes = solidMeshCapsule.GetMeshes();

                            // If we are exporting parts, it is OK to have no geometry here - it will be added by the host Part.
                            bool hasSolidsOrMeshesInSymbol = (solids.Count > 0 || polyMeshes.Count > 0);

                            if (range != null && !hasSolidsOrMeshesInSymbol)
                                return; // no proper split geometry to export.

                            if (hasSolidsOrMeshesInSymbol)
                            {
                                geomObjects = FamilyExporterUtil.RemoveSolidsAndMeshesSetToDontExport(doc, exporterIFC, solids, polyMeshes);
                                if ((geomObjects.Count == 0))
                                    return; // no proper visible split geometry to export.
                            }
                            else
                                geomObjects.Add(exportGeometry);


                            bool tryToExportAsExtrusion = (!ExporterCacheManager.ExportOptionsCache.ExportAs2x2 || (exportType == IFCExportType.ExportColumnType));

                            if (exportType == IFCExportType.ExportColumnType)
                            {
                                extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryZ;

                                if (ExporterCacheManager.ExportOptionsCache.ExportAs2x3CoordinationView2 && solids.Count > 0)
                                {
                                    LocationPoint point = familyInstance.Location as LocationPoint;
                                    XYZ orig = XYZ.Zero;
                                    if (point != null)
                                        orig = point.Point;

                                    Plane plane = new Plane(XYZ.BasisX, XYZ.BasisY, orig);
                                    bool completelyClipped = false;
                                    HashSet<ElementId> materialIds = null;
                                    bodyRepresentation = ExtrusionExporter.CreateExtrusionWithClipping(exporterIFC, familyInstance,
                                        categoryId, solids, plane, XYZ.BasisZ, null, out completelyClipped, out materialIds);
                                    typeInfo.MaterialIds = materialIds;
                                }
                            }
                            else
                            {
                                extraParams.PossibleExtrusionAxes = IFCExtrusionAxes.TryXYZ;
                            }

                            BodyData bodyData = null;
                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepresentation))
                            {
                                BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(tryToExportAsExtrusion);
                                bodyData = BodyExporter.ExportBody(exporterIFC, familyInstance, categoryId, ElementId.InvalidElementId,
                                    geomObjects, bodyExporterOptions, extraParams);
                                typeInfo.MaterialIds = bodyData.MaterialIds;
                                bodyRepresentation = bodyData.RepresentationHnd;
                                offsetTransform = bodyData.OffsetTransform;
                            }

                            // We will allow a door or window to be exported without any geometry, or an element with parts.
                            // Anything else doesn't really make sense.
                            if (IFCAnyHandleUtil.IsNullOrHasNoValue(bodyRepresentation) && (doorWindowInfo == null))
                            {
                                extraParams.ClearOpenings();
                                return;
                            }
                        }

                        // By default: if exporting IFC2x3 or later, export 2D plan rep of family, if it exists, unless we are exporting Coordination View V2.
                        // This default can be overridden in the export options.
                        if (needToCreate2d)
                        {
                            XYZ curveOffset = new XYZ(0, 0, 0);
                            if (offsetTransform != null)
                                curveOffset = -offsetTransform.Origin / scale;

                            HashSet<IFCAnyHandle> curveSet = new HashSet<IFCAnyHandle>();
                            {
                                Transform planeTrf = doorWindowTrf.Inverse;
                                Plane plane = new Plane(planeTrf.get_Basis(0), planeTrf.get_Basis(1), planeTrf.Origin);
                                XYZ projDir = new XYZ(0, 0, 1);

                                IFCGeometryInfo IFCGeometryInfo = IFCGeometryInfo.CreateCurveGeometryInfo(exporterIFC, plane, projDir, true);
                                ExporterIFCUtils.CollectGeometryInfo(exporterIFC, IFCGeometryInfo, exportGeometry, curveOffset, false);

                                IList<IFCAnyHandle> curves = IFCGeometryInfo.GetCurves();
                                foreach (IFCAnyHandle curve in curves)
                                    curveSet.Add(curve);

                                if (curveSet.Count > 0)
                                {
                                    IFCAnyHandle contextOfItems2d = exporterIFC.Get2DContextHandle();
                                    IFCAnyHandle curveRepresentationItem = IFCInstanceExporter.CreateGeometricSet(file, curveSet);
                                    HashSet<IFCAnyHandle> bodyItems = new HashSet<IFCAnyHandle>();
                                    bodyItems.Add(curveRepresentationItem);
                                    planRepresentation = RepresentationUtil.CreateGeometricSetRep(exporterIFC, familyInstance, categoryId, "FootPrint",
                                       contextOfItems2d, bodyItems);
                                }
                            }
                        }
                    }

                    if (doorWindowInfo != null)
                        typeInfo.StyleTransform = doorWindowTrf.Inverse;
                    else
                        typeInfo.StyleTransform = ExporterIFCUtils.GetUnscaledTransform(exporterIFC, extraParams.GetLocalPlacement());

                    // for many
                    HashSet<IFCAnyHandle> propertySets = null;
                    IFCAnyHandle typeStyle = CreateFamilyTypeHandle(exporterIFC, typeInfo, doorWindowInfo, bodyRepresentation, planRepresentation,
                        familyInstance, familySymbol, originalFamilySymbol, useInstanceGeometry, exportParts,
                        exportType, revitObjectType, ifcEnumType, out propertySets);

                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeStyle))
                    {
                        wrapper.RegisterHandleWithElementType(familySymbol, typeStyle, propertySets);

                        CategoryUtil.CreateMaterialAssociations(exporterIFC, typeStyle, typeInfo.MaterialIds);

                        typeInfo.Style = typeStyle;

                        if ((exportType == IFCExportType.ExportColumnType) || (exportType == IFCExportType.ExportMemberType))
                        {
                            typeInfo.ScaledArea = extraParams.ScaledArea;
                            typeInfo.ScaledDepth = extraParams.ScaledLength;
                            typeInfo.ScaledInnerPerimeter = extraParams.ScaledInnerPerimeter;
                            typeInfo.ScaledOuterPerimeter = extraParams.ScaledOuterPerimeter;
                        }

                        ClassificationUtil.CreateClassification(exporterIFC, file, familySymbol, typeStyle);        // Create other generic classification from ClassificationCode(s)
                        ClassificationUtil.CreateUniformatClassification(exporterIFC, file, originalFamilySymbol, typeStyle);
                    }
                }

                if (found && !typeInfo.IsValid())
                    typeInfo = currentTypeInfo;

                // we'll pretend we succeeded, but we'll do nothing.
                if (!typeInfo.IsValid())
                    return;

                // add to the map, as long as we are not using range, not using instance geometry, and don't have extra openings.
                if ((range == null) && !useInstanceGeometry && (extraParams.GetOpenings().Count == 0))
                    ExporterCacheManager.TypeObjectsCache.Register(originalFamilySymbol.Id, flipped, typeInfo);

                // If we are using the instance geometry, ignore the transformation.
                if (useInstanceGeometry)
                    trf = Transform.Identity;

                if ((range != null) && exportParts)
                {
                    XYZ rangeOffset = trf.Origin;
                    rangeOffset += new XYZ(0, 0, range.Start);
                    trf.Origin = rangeOffset;
                }

                Transform originalTrf = new Transform(trf);
                XYZ scaledMapOrigin = XYZ.Zero;

                trf = trf.Multiply(typeInfo.StyleTransform);

                // create instance.  
                IList<IFCAnyHandle> shapeReps = new List<IFCAnyHandle>();
                {
                    IFCAnyHandle contextOfItems2d = exporterIFC.Get2DContextHandle();
                    IFCAnyHandle contextOfItems3d = exporterIFC.Get3DContextHandle("Body");

                    // for proxies, we store the IfcRepresentationMap directly since there is no style.
                    IFCAnyHandle style = typeInfo.Style;
                    IList<IFCAnyHandle> repMapList = !IFCAnyHandleUtil.IsNullOrHasNoValue(style) ?
                        GeometryUtil.GetRepresentationMaps(style) : null;
                    int numReps = repMapList != null ? repMapList.Count : 0;

                    IFCAnyHandle repMap2dHnd = typeInfo.Map2DHandle;
                    IFCAnyHandle repMap3dHnd = typeInfo.Map3DHandle;
                    if (IFCAnyHandleUtil.IsNullOrHasNoValue(repMap3dHnd) && (numReps > 0))
                        repMap3dHnd = repMapList[0];
                    if (IFCAnyHandleUtil.IsNullOrHasNoValue(repMap2dHnd) && (numReps > 1))
                        repMap2dHnd = repMapList[1];

                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repMap3dHnd))
                    {
                        IList<IFCAnyHandle> representations = new List<IFCAnyHandle>();
                        representations.Add(ExporterUtil.CreateDefaultMappedItem(file, repMap3dHnd, scaledMapOrigin));
                        IFCAnyHandle shapeRep = RepresentationUtil.CreateBodyMappedItemRep(exporterIFC, familyInstance, categoryId, contextOfItems3d,
                            representations);
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
                            return;
                        shapeReps.Add(shapeRep);
                    }

                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(repMap2dHnd))
                    {
                        HashSet<IFCAnyHandle> representations = new HashSet<IFCAnyHandle>();
                        representations.Add(ExporterUtil.CreateDefaultMappedItem(file, repMap2dHnd, scaledMapOrigin));
                        IFCAnyHandle shapeRep = RepresentationUtil.CreatePlanMappedItemRep(exporterIFC, familyInstance, categoryId, contextOfItems2d,
                            representations);
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(shapeRep))
                            return;
                        shapeReps.Add(shapeRep);
                    }
                }

                IFCAnyHandle boundingBoxRep = null;
                Transform boundingBoxTrf = (offsetTransform != null) ? offsetTransform.Inverse : Transform.Identity;
                if (geomObjects.Count > 0)
                    boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, geomObjects, boundingBoxTrf);
                else
                {
                    boundingBoxTrf = boundingBoxTrf.Multiply(trf.Inverse);
                    boundingBoxRep = BoundingBoxExporter.ExportBoundingBox(exporterIFC, familyInstance.get_Geometry(options), boundingBoxTrf);
                }

                if (boundingBoxRep != null)
                    shapeReps.Add(boundingBoxRep);

                IFCAnyHandle repHnd = (shapeReps.Count > 0) ? IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, shapeReps) : null;

                // We won't create the instance if: 
                // (1) we are exporting to CV2.0, (2) we have no 2D, 3D, or bounding box geometry, and (3) we aren't exporting parts.
                if (!(repHnd == null && ExporterCacheManager.ExportOptionsCache.ExportAs2x3CoordinationView2 && !exportParts))
                {
                    IFCAnyHandle instanceHandle = null;

                    if (overrideLevelId == ElementId.InvalidElementId)
                        overrideLevelId = ExporterUtil.GetBaseLevelIdForElement(familyInstance);
                    using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, familyInstance, trf, null, overrideLevelId))
                    {
                        string instanceGUID = GUIDUtil.CreateGUID(familyInstance);
                        string instanceName = NamingUtil.GetNameOverride(familyInstance, NamingUtil.GetIFCName(familyInstance));
                        string instanceDescription = NamingUtil.GetDescriptionOverride(familyInstance, null);
                        string instanceObjectType = NamingUtil.GetObjectTypeOverride(familyInstance, revitObjectType);
                        string instanceTag = NamingUtil.GetTagOverride(familyInstance, NamingUtil.CreateIFCElementId(familyInstance));

                        bool isChildInContainer = familyInstance.AssemblyInstanceId != ElementId.InvalidElementId;

                        IFCAnyHandle localPlacement = setter.GetPlacement();
                        IFCAnyHandle overrideLocalPlacement = null;

                        if (parentLocalPlacement != null)
                        {
                            Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(parentLocalPlacement, localPlacement);
                            Transform inverseTrf = relTrf.Inverse;

                            IFCAnyHandle relativePlacement = ExporterUtil.CreateAxis2Placement3D(file, inverseTrf.Origin, inverseTrf.BasisZ, inverseTrf.BasisX);
                            IFCAnyHandle plateLocalPlacement = IFCInstanceExporter.CreateLocalPlacement(file, parentLocalPlacement, relativePlacement);
                            overrideLocalPlacement = plateLocalPlacement;
                        }

                        instanceHandle = FamilyExporterUtil.ExportGenericInstance(exportType, exporterIFC, familyInstance,
                           wrapper, setter, extraParams, instanceGUID, ownerHistory, instanceName, instanceDescription, instanceObjectType,
                           exportParts ? null : repHnd, instanceTag, overrideLocalPlacement);

                        if (exportParts)
                            PartExporter.ExportHostPart(exporterIFC, familyInstance, instanceHandle, familyProductWrapper, setter, setter.GetPlacement(), overrideLevelId);

                        if (ElementFilteringUtil.IsMEPType(exportType) || ElementFilteringUtil.ProxyForMEPType(familyInstance, exportType))
                        {
                            ExporterCacheManager.MEPCache.Register(familyInstance, instanceHandle);
                            // For ducts and pipes, check later if there is an associated duct or pipe.
                            if (exportType == IFCExportType.ExportDuctFittingType || exportType == IFCExportType.ExportPipeFittingType ||
                                exportType == IFCExportType.ExportDuctSegmentType || exportType == IFCExportType.ExportPipeSegmentType)
                                ExporterCacheManager.MEPCache.CoveredElementsCache.Add(familyInstance.Id);
                        }

                        switch (exportType)
                        {
                            case IFCExportType.ExportColumnType:
                                {
                                    IFCAnyHandle placementToUse = localPlacement;
                                    if (!useInstanceGeometry)
                                    {
                                        bool needToCreateOpenings = OpeningUtil.NeedToCreateOpenings(instanceHandle, extraParams);
                                        if (needToCreateOpenings)
                                        {
                                            Transform openingTrf = new Transform(originalTrf);
                                            Transform extraRot = new Transform(originalTrf);
                                            extraRot.Origin = XYZ.Zero;
                                            openingTrf = openingTrf.Multiply(extraRot);
                                            openingTrf = openingTrf.Multiply(typeInfo.StyleTransform);

                                            IFCAnyHandle openingRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, openingTrf.Origin * scale,
                                               openingTrf.get_Basis(2), openingTrf.get_Basis(0));
                                            IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, localPlacement);
                                            GeometryUtil.SetRelativePlacement(openingPlacement, openingRelativePlacement);
                                            placementToUse = openingPlacement;
                                        }
                                    }

                                    OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, offsetTransform,
                                        exporterIFC, placementToUse, setter, wrapper);

                                    //export Base Quantities.
                                    PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, instanceHandle, familyInstance, typeInfo);
                                    break;
                                }
                            case IFCExportType.ExportDoorType:
                            case IFCExportType.ExportWindowType:
                                {
                                    double doorHeight = doorWindowInfo.OpeningHeight;
                                    if (doorHeight < MathUtil.Eps())
                                        doorHeight = GetMinSymbolHeight(originalFamilySymbol) * scale;
                                    else
                                    {
                                        // The native OpeningHeight code is not reliable if the opening has an arc in the boundary.  Potentially fix this case.
                                        doorHeight = PotentiallyCorrectDoorHeight(doorWindowInfo.GetOpening(), doorHeight * scale);
                                    }

                                    double doorWidth = doorWindowInfo.OpeningWidth;
                                    if (doorWidth < MathUtil.Eps())
                                        doorWidth = GetMinSymbolWidth(originalFamilySymbol);

                                    double height = doorHeight; // Already scaled.
                                    double width = doorWidth * scale;

                                    IFCAnyHandle doorWindowLocalPlacement = null;
                                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(overrideLocalPlacement))
                                        doorWindowLocalPlacement = overrideLocalPlacement;
                                    else
                                {
                                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(doorWindowInfo.GetLocalPlacement()))
                                            doorWindowInfo.SetLocalPlacement(localPlacement);

                                        IFCAnyHandle doorWindowOrigLocalPlacement = doorWindowInfo.GetLocalPlacement();
                                        Transform relTrf = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(localPlacement, doorWindowOrigLocalPlacement);

                                        IFCAnyHandle doorWindowRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, relTrf.Origin, relTrf.BasisZ, relTrf.BasisX);
                                        doorWindowLocalPlacement = IFCInstanceExporter.CreateLocalPlacement(file, doorWindowOrigLocalPlacement, doorWindowRelativePlacement);
                                    }
                                    if (exportType == IFCExportType.ExportDoorType)
                                        instanceHandle = IFCInstanceExporter.CreateDoor(file, instanceGUID, ownerHistory,
                                           instanceName, instanceDescription, instanceObjectType, doorWindowLocalPlacement,
                                           repHnd, instanceTag, height, width);
                                    else if (exportType == IFCExportType.ExportWindowType)
                                        instanceHandle = IFCInstanceExporter.CreateWindow(file, instanceGUID, ownerHistory,
                                           instanceName, instanceDescription, instanceObjectType, doorWindowLocalPlacement,
                                           repHnd, instanceTag, height, width);
                                    wrapper.AddElement(familyInstance, instanceHandle, setter, extraParams, true);

                                    exporterIFC.RegisterSpaceBoundingElementHandle(instanceHandle, familyInstance.Id, setter.LevelId);

                                    IFCAnyHandle placementToUse = doorWindowLocalPlacement;
                                    if (!useInstanceGeometry)
                                    {
                                        // correct the placement to the symbol space
                                        bool needToCreateOpenings = OpeningUtil.NeedToCreateOpenings(instanceHandle, extraParams);
                                        if (needToCreateOpenings)
                                        {
                                            Transform openingTrf = Transform.Identity;
                                            openingTrf.Origin = new XYZ(0, 0, setter.Offset);
                                            openingTrf = openingTrf.Multiply(doorWindowTrf);
                                            XYZ scaledOrigin = openingTrf.Origin * exporterIFC.LinearScale;
                                            IFCAnyHandle openingRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, scaledOrigin, openingTrf.BasisZ, openingTrf.BasisX);
                                            IFCAnyHandle openingLocalPlacement =
                                                IFCInstanceExporter.CreateLocalPlacement(file, doorWindowLocalPlacement, openingRelativePlacement);
                                            placementToUse = openingLocalPlacement;
                                        }
                                    }

                                    OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, offsetTransform,
                                        exporterIFC, placementToUse, setter, wrapper);
                                    break;
                                }
                            case IFCExportType.ExportMemberType:
                                {
                                    OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, offsetTransform,
                                        exporterIFC, localPlacement, setter, wrapper);

                                    //export Base Quantities.
                                    PropertyUtil.CreateBeamColumnBaseQuantities(exporterIFC, instanceHandle, familyInstance, typeInfo);
                                    break;
                                }
                            case IFCExportType.ExportPlateType:
                                {
                                    OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, offsetTransform,
                                        exporterIFC, localPlacement, setter, wrapper);
                                    break;
                                }
                            case IFCExportType.ExportTransportElementType:
                                {
                                    IFCAnyHandle localPlacementToUse;
                                    ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);

                                    IFCTransportElementType operationType = FamilyExporterUtil.GetTransportElementType(familyInstance);

                                    double capacityByWeight = 0.0;
                                    ParameterUtil.GetDoubleValueFromElementOrSymbol(familyInstance, "IfcCapacityByWeight", out capacityByWeight);
                                    double capacityByNumber = 0.0;
                                    ParameterUtil.GetDoubleValueFromElementOrSymbol(familyInstance, "IfcCapacityByNumber", out capacityByNumber);

                                    instanceHandle = IFCInstanceExporter.CreateTransportElement(file, instanceGUID, ownerHistory,
                                       instanceName, instanceDescription, instanceObjectType,
                                       localPlacementToUse, repHnd, instanceTag, operationType, capacityByWeight, capacityByNumber);

                                    bool containedInSpace = (roomId != ElementId.InvalidElementId);
                                    wrapper.AddElement(familyInstance, instanceHandle, setter, extraParams, !containedInSpace);
                                    if (containedInSpace)
                                        exporterIFC.RelateSpatialElement(roomId, instanceHandle);

                                    break;
                                }
                            //case IFCExportType.ExportBuildingElementProxy:
                            //case IFCExportType.ExportBuildingElementProxyType:
                            default:
                                {
                                    if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
                                    {
                                        bool isBuildingElementProxy =
                                            ((exportType == IFCExportType.ExportBuildingElementProxy) ||
                                            (exportType == IFCExportType.ExportBuildingElementProxyType));

                                        IFCAnyHandle localPlacementToUse = null;
                                    ElementId roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);

                                        if (!isBuildingElementProxy && FamilyExporterUtil.IsDistributionControlElementSubType(exportType))
                                        {
                                            string ifcelementType = null;
                                            ParameterUtil.GetStringValueFromElement(familyInstance.Id, "IfcElementType", out ifcelementType);

                                            instanceHandle = IFCInstanceExporter.CreateDistributionControlElement(file, instanceGUID,
                                               ownerHistory, instanceName, instanceDescription, instanceObjectType,
                                               localPlacementToUse, repHnd, instanceTag, ifcelementType);
                                        }
                                        else 
                                        {
                                        instanceHandle = IFCInstanceExporter.CreateBuildingElementProxy(file, instanceGUID,
                                           ownerHistory, instanceName, instanceDescription, instanceObjectType,
                                           localPlacementToUse, repHnd, instanceTag, null);
                                        }

                                        bool containedInSpace = (roomId != ElementId.InvalidElementId);
                                        bool associateToLevel = containedInSpace ? false : !isChildInContainer;
                                        wrapper.AddElement(familyInstance, instanceHandle, setter, extraParams, associateToLevel);
                                        if (containedInSpace)
                                            exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                                    }

                                    IFCAnyHandle placementToUse = localPlacement;
                                    if (!useInstanceGeometry)
                                    {
                                        bool needToCreateOpenings = OpeningUtil.NeedToCreateOpenings(instanceHandle, extraParams);
                                        if (needToCreateOpenings)
                                        {
                                            Transform openingTrf = new Transform(originalTrf);
                                            Transform extraRot = new Transform(originalTrf);
                                            extraRot.Origin = XYZ.Zero;
                                            openingTrf = openingTrf.Multiply(extraRot);
                                            openingTrf = openingTrf.Multiply(typeInfo.StyleTransform);

                                            XYZ scaledOrigin = openingTrf.Origin * scale;
                                            IFCAnyHandle openingRelativePlacement = ExporterUtil.CreateAxis2Placement3D(file, scaledOrigin,
                                               openingTrf.get_Basis(2), openingTrf.get_Basis(0));
                                            IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, localPlacement);
                                            GeometryUtil.SetRelativePlacement(openingPlacement, openingRelativePlacement);
                                            placementToUse = openingPlacement;
                                        }
                                    }

                                    OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, familyInstance, extraParams, offsetTransform,
                                        exporterIFC, placementToUse, setter, wrapper);
                                    break;
                                }
                        }

                        if (!IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
                        {
                            ExporterCacheManager.HandleToElementCache.Register(instanceHandle, familyInstance.Id);
                            if (doorWindowInfo != null)
                            {
                                if (!ignoreDoorWindowOpening)
                                {
                                    if (!IFCAnyHandleUtil.IsNullOrHasNoValue(doorWindowInfo.GetOpening()))
                                    {
                                        string relGUID = GUIDUtil.CreateGUID();
                                        IFCInstanceExporter.CreateRelFillsElement(file, relGUID, ownerHistory, null, null, doorWindowInfo.GetOpening(), instanceHandle);
                                    }
                                    else if (doorWindowInfo.NeedsOpening)
                                    {
                                        bool added = doorWindowInfo.SetDelayedFamilyInstance(instanceHandle, localPlacement, doorWindowInfo.AssignedLevelId);
                                        if (added)
                                            exporterIFC.RegisterDoorWindowForOpeningUpdate(doorWindowInfo);
                                        else
                                        {
                                            // we need to fill a later opening.
                                            exporterIFC.RegisterDoorWindowForUncreatedOpening(familyInstance.Id, instanceHandle);
                                        }
                                    }
                                }
                            }

                            if (!exportParts)
                                CategoryUtil.CreateMaterialAssociations(exporterIFC, instanceHandle, typeInfo.MaterialIds);

                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(typeInfo.Style))
                                ExporterCacheManager.TypeRelationsCache.Add(typeInfo.Style, instanceHandle);
                        }
                    }
                }
            }
        }
        /// <summary>
        /// Exports a generic family instance as IFC instance.
        /// </summary>
        /// <param name="type">The export type.</param>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="familyInstance">The element.</param>
        /// <param name="wrapper">The ProductWrapper.</param>
        /// <param name="setter">The IFCPlacementSetter.</param>
        /// <param name="extraParams">The extrusion creation data.</param>
        /// <param name="instanceGUID">The guid.</param>
        /// <param name="ownerHistory">The owner history handle.</param>
        /// <param name="instanceName">The name.</param>
        /// <param name="instanceDescription">The description.</param>
        /// <param name="instanceObjectType">The object type.</param>
        /// <param name="productRepresentation">The representation handle.</param>
        /// <param name="instanceElemId">The element id label.</param>
        /// <returns>The handle.</returns>
        public static IFCAnyHandle ExportGenericInstance(IFCExportType type,
           ExporterIFC exporterIFC, Element familyInstance,
           ProductWrapper wrapper, IFCPlacementSetter setter, IFCExtrusionCreationData extraParams,
           string instanceGUID, IFCAnyHandle ownerHistory,
           string instanceName, string instanceDescription, string instanceObjectType,
           IFCAnyHandle productRepresentation,
           string instanceTag, IFCAnyHandle overrideLocalPlacement)
        {
            IFCFile file = exporterIFC.GetFile();
            Document doc = familyInstance.Document;

            bool isRoomRelated = IsRoomRelated(type);
            bool isChildInContainer = familyInstance.AssemblyInstanceId != ElementId.InvalidElementId;

            IFCAnyHandle localPlacementToUse = setter.GetPlacement();
            ElementId roomId = ElementId.InvalidElementId;
            if (isRoomRelated)
            {
                roomId = setter.UpdateRoomRelativeCoordinates(familyInstance, out localPlacementToUse);
            }

            //should remove the create method where there is no use of this handle for API methods
            //some places uses the return value of ExportGenericInstance as input parameter for API methods
            IFCAnyHandle instanceHandle = null;
            switch (type)
            {
                case IFCExportType.ExportColumnType:
                    {
                        instanceHandle = IFCInstanceExporter.CreateColumn(file, instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        break;
                    }
                case IFCExportType.ExportMemberType:
                    {
                        instanceHandle = IFCInstanceExporter.CreateMember(file, instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        break;
                    }
                case IFCExportType.ExportPlateType:
                    {
                        IFCAnyHandle localPlacement = localPlacementToUse;
                        if (overrideLocalPlacement!= null)
                        {
                            isChildInContainer = true;
                            localPlacement = overrideLocalPlacement;
                        }

                        instanceHandle = IFCInstanceExporter.CreatePlate(file, instanceGUID, ownerHistory,
                            instanceName, instanceDescription, instanceObjectType, localPlacement, productRepresentation, instanceTag);
                        break;
                    }
                case IFCExportType.ExportDistributionControlElement:
                    {
                        instanceHandle = IFCInstanceExporter.CreateDistributionControlElement(file, instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag,
                           null);
                        break;
                    }
                case IFCExportType.ExportDistributionElement:
                    {
                        instanceHandle = IFCInstanceExporter.CreateDistributionElement(file, instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        break;
                    }
                case IFCExportType.ExportFastenerType:
                    {
                        instanceHandle = IFCInstanceExporter.CreateFastener(file, instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        break;
                    }
                case IFCExportType.ExportMechanicalFastenerType:
                    {
                        double? nominalDiameter = null;
                        double? nominalLength = null;

                        double nominalDiameterVal, nominalLengthVal;
                        if (ParameterUtil.GetDoubleValueFromElementOrSymbol(familyInstance, "NominalDiameter", out nominalDiameterVal))
                            nominalDiameter = nominalDiameterVal;
                        if (ParameterUtil.GetDoubleValueFromElementOrSymbol(familyInstance, "NominalLength", out nominalLengthVal))
                            nominalLength = nominalLengthVal;

                        instanceHandle = IFCInstanceExporter.CreateMechanicalFastener(file, instanceGUID, ownerHistory,
                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag,
                           nominalDiameter, nominalLength);
                        break;
                    }
                default:
                    {
                        if ((type == IFCExportType.ExportFurnishingElement) || IsFurnishingElementSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFurnishingElement(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if ((type == IFCExportType.ExportEnergyConversionDevice) || IsEnergyConversionDeviceSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateEnergyConversionDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if ((type == IFCExportType.ExportFlowFitting) || IsFlowFittingSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowFitting(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if ((type == IFCExportType.ExportFlowMovingDevice) || IsFlowMovingDeviceSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowMovingDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if ((type == IFCExportType.ExportFlowSegment) || IsFlowSegmentSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowSegment(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if ((type == IFCExportType.ExportFlowStorageDevice) || IsFlowStorageDeviceSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowStorageDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if ((type == IFCExportType.ExportFlowTerminal) || IsFlowTerminalSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowTerminal(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if ((type == IFCExportType.ExportFlowTreatmentDevice) || IsFlowTreatmentDeviceSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowTreatmentDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if ((type == IFCExportType.ExportFlowController) || IsFlowControllerSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowController(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if ((type == IFCExportType.ExportDistributionFlowElement) || IsDistributionFlowElementSubType(type))
                        {
                            instanceHandle = IFCInstanceExporter.CreateDistributionFlowElement(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        break;
                    }
            }

            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
            {
                if (roomId == ElementId.InvalidElementId)
                {
                    wrapper.AddElement(instanceHandle, setter, extraParams, !isChildInContainer);
                }
                else
                {
                    exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                    wrapper.AddElement(instanceHandle, setter, extraParams, false);
                }
            }
            return instanceHandle;
        }
        /// <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 (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
                {
                    using (IFCExtrusionCreationData ecData = new IFCExtrusionCreationData())
                    {
                        ecData.SetLocalPlacement(setter.GetPlacement());

                        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        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);
                        IFCAnyHandle style           = IFCInstanceExporter.CreatePipeSegmentType(file, GUIDUtil.CreateGUID(element), exporterIFC.GetOwnerHistoryHandle(),
                                                                                                 elementTypeName, null, null, null, repMapList, NamingUtil.CreateIFCElementId(element), elementTypeName, IFCPipeSegmentType.Gutter);


                        List <IFCAnyHandle> representationMaps = GeometryUtil.GetRepresentationMaps(style);
                        IFCAnyHandle        mappedItem         = ExporterUtil.CreateDefaultMappedItem(file, representationMaps[0]);

                        IList <IFCAnyHandle> representations = new List <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 name        = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                        string description = NamingUtil.GetDescriptionOverride(element, null);
                        string objectType  = NamingUtil.GetObjectTypeOverride(element, elementTypeName);
                        string tag         = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));

                        IFCAnyHandle elemHnd = IFCInstanceExporter.CreateFlowSegment(file, GUIDUtil.CreateGUID(element),
                                                                                     exporterIFC.GetOwnerHistoryHandle(), name, description, objectType, localPlacementToUse, prodRep,
                                                                                     tag);

                        bool containedInSpace = (roomId != ElementId.InvalidElementId);
                        productWrapper.AddElement(element, elemHnd, setter.GetLevelInfo(), ecData, !containedInSpace);

                        if (containedInSpace)
                        {
                            exporterIFC.RelateSpatialElement(roomId, elemHnd);
                        }

                        OpeningUtil.CreateOpeningsIfNecessary(elemHnd, element, ecData, null,
                                                              exporterIFC, localPlacementToUse, setter, productWrapper);
                    }

                    tr.Commit();
                }
            }
        }
Esempio n. 14
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        /// <summary>
        /// Exports a MEP family instance.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="exportType">The export type of the element.
        /// <param name="ifcEnumType">The sub-type of the element.</param></param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        /// <returns>True if an entity was created, false otherwise.</returns>
        public static bool Export(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement, 
            IFCExportType exportType, string ifcEnumType, ProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();
            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
                {
                    IFCAnyHandle localPlacementToUse = setter.GetPlacement();
                    using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
                    {
                        extraParams.SetLocalPlacement(localPlacementToUse);

                        ElementId catId = CategoryUtil.GetSafeCategoryId(element);

                        BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true);
                        BodyData bodyData = null;
                        IFCAnyHandle productRepresentation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
                            element, catId, geometryElement, bodyExporterOptions, null, extraParams, out bodyData);
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(productRepresentation))
                        {
                            extraParams.ClearOpenings();
                            return false;
                        }

                        IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
                        ElementId typeId = element.GetTypeId();
                        ElementType type = element.Document.GetElement(typeId) as ElementType;
                        FamilyTypeInfo currentTypeInfo = ExporterCacheManager.TypeObjectsCache.Find(typeId, false);

                        bool found = currentTypeInfo.IsValid();
                        if (!found)
                        {
                            string typeGUID = GUIDUtil.CreateGUID(type);
                            string typeName = NamingUtil.GetNameOverride(type, NamingUtil.GetIFCName(type));
                            string typeObjectType = NamingUtil.GetObjectTypeOverride(type, NamingUtil.CreateIFCObjectName(exporterIFC, type));
                            string applicableOccurence = NamingUtil.GetOverrideStringValue(type, "IfcApplicableOccurrence", typeObjectType);
                            string typeDescription = NamingUtil.GetDescriptionOverride(type, null);
                            string typeTag = NamingUtil.GetTagOverride(type, NamingUtil.CreateIFCElementId(type));
                            string typeElementType = NamingUtil.GetOverrideStringValue(type, "IfcElementType", typeName);

                            IList<IFCAnyHandle> repMapListOpt = new List<IFCAnyHandle>();

                            IFCAnyHandle styleHandle = FamilyExporterUtil.ExportGenericType(exporterIFC, exportType, ifcEnumType, typeGUID, typeName,
                               typeDescription, applicableOccurence, null, repMapListOpt, typeTag, typeElementType, element, type);
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(styleHandle))
                            {
                                productWrapper.RegisterHandleWithElementType(type, styleHandle, null);

                                currentTypeInfo.Style = styleHandle;
                                ExporterCacheManager.TypeObjectsCache.Register(typeId, false, currentTypeInfo);
                            }
                        }
                        string instanceGUID = GUIDUtil.CreateGUID(element);
                        string instanceName = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                        string instanceObjectType = NamingUtil.GetObjectTypeOverride(element, NamingUtil.CreateIFCObjectName(exporterIFC, element));
                        string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
                        string instanceTag = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));

                        bool roomRelated = !FamilyExporterUtil.IsDistributionFlowElementSubType(exportType);

                        ElementId roomId = ElementId.InvalidElementId;
                        if (roomRelated)
                        {
                            roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse);
                        }

                        IFCAnyHandle instanceHandle = null;
                        if (FamilyExporterUtil.IsFurnishingElementSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFurnishingElement(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsDistributionFlowElementSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateDistributionFlowElement(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsEnergyConversionDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateEnergyConversionDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowFittingSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowFitting(file, instanceGUID, ownerHistory,
                              instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowMovingDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowMovingDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowSegmentSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowSegment(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowStorageDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowStorageDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowTerminalSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowTerminal(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowTreatmentDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowTreatmentDevice(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowControllerSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowController(file, instanceGUID, ownerHistory,
                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
                            return false;

                        bool relatedToSpace = (roomId != ElementId.InvalidElementId);
                        productWrapper.AddElement(element, instanceHandle, setter, extraParams, !relatedToSpace);
                        if (relatedToSpace)
                            exporterIFC.RelateSpatialElement(roomId, instanceHandle);

                        OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, element, extraParams, null,
                            exporterIFC, localPlacementToUse, setter, productWrapper);

                        if (currentTypeInfo.IsValid())
                            ExporterCacheManager.TypeRelationsCache.Add(currentTypeInfo.Style, instanceHandle);

                        if (bodyData != null && bodyData.MaterialIds.Count != 0)
                            CategoryUtil.CreateMaterialAssociations(exporterIFC, instanceHandle, bodyData.MaterialIds);

                        ExporterCacheManager.MEPCache.Register(element, instanceHandle);

                        tr.Commit();
                    }
                }
            }
            return true;
        }
        /// <summary>
        /// Exports a MEP family instance.
        /// </summary>
        /// <param name="exporterIFC">The ExporterIFC object.</param>
        /// <param name="element">The element.</param>
        /// <param name="geometryElement">The geometry element.</param>
        /// <param name="exportType">The export type of the element.
        /// <param name="ifcEnumType">The sub-type of the element.</param></param>
        /// <param name="productWrapper">The ProductWrapper.</param>
        /// <returns>True if an entity was created, false otherwise.</returns>
        public static bool Export(ExporterIFC exporterIFC, Element element, GeometryElement geometryElement,
                                  IFCExportType exportType, string ifcEnumType, ProductWrapper productWrapper)
        {
            IFCFile file = exporterIFC.GetFile();

            using (IFCTransaction tr = new IFCTransaction(file))
            {
                using (IFCPlacementSetter setter = IFCPlacementSetter.Create(exporterIFC, element, null, null, ExporterUtil.GetBaseLevelIdForElement(element)))
                {
                    IFCAnyHandle localPlacementToUse = setter.GetPlacement();
                    using (IFCExtrusionCreationData extraParams = new IFCExtrusionCreationData())
                    {
                        extraParams.SetLocalPlacement(localPlacementToUse);

                        ElementId catId = CategoryUtil.GetSafeCategoryId(element);

                        BodyExporterOptions bodyExporterOptions   = new BodyExporterOptions(true);
                        BodyData            bodyData              = null;
                        IFCAnyHandle        productRepresentation = RepresentationUtil.CreateAppropriateProductDefinitionShape(exporterIFC,
                                                                                                                               element, catId, geometryElement, bodyExporterOptions, null, extraParams, out bodyData);
                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(productRepresentation))
                        {
                            extraParams.ClearOpenings();
                            return(false);
                        }

                        IFCAnyHandle   ownerHistory    = exporterIFC.GetOwnerHistoryHandle();
                        ElementId      typeId          = element.GetTypeId();
                        ElementType    type            = element.Document.GetElement(typeId) as ElementType;
                        FamilyTypeInfo currentTypeInfo = ExporterCacheManager.TypeObjectsCache.Find(typeId, false);

                        bool found = currentTypeInfo.IsValid();
                        if (!found)
                        {
                            string typeGUID            = GUIDUtil.CreateGUID(type);
                            string typeName            = NamingUtil.GetNameOverride(type, NamingUtil.GetIFCName(type));
                            string typeObjectType      = NamingUtil.GetObjectTypeOverride(type, NamingUtil.CreateIFCObjectName(exporterIFC, type));
                            string applicableOccurence = NamingUtil.GetOverrideStringValue(type, "IfcApplicableOccurrence", typeObjectType);
                            string typeDescription     = NamingUtil.GetDescriptionOverride(type, null);
                            string typeTag             = NamingUtil.GetTagOverride(type, NamingUtil.CreateIFCElementId(type));
                            string typeElementType     = NamingUtil.GetOverrideStringValue(type, "IfcElementType", typeName);

                            IList <IFCAnyHandle> repMapListOpt = new List <IFCAnyHandle>();

                            IFCAnyHandle styleHandle = FamilyExporterUtil.ExportGenericType(exporterIFC, exportType, ifcEnumType, typeGUID, typeName,
                                                                                            typeDescription, applicableOccurence, null, repMapListOpt, typeTag, typeElementType, element, type);
                            if (!IFCAnyHandleUtil.IsNullOrHasNoValue(styleHandle))
                            {
                                productWrapper.RegisterHandleWithElementType(type, styleHandle, null);

                                currentTypeInfo.Style = styleHandle;
                                ExporterCacheManager.TypeObjectsCache.Register(typeId, false, currentTypeInfo);
                            }
                        }
                        string instanceGUID        = GUIDUtil.CreateGUID(element);
                        string instanceName        = NamingUtil.GetNameOverride(element, NamingUtil.GetIFCName(element));
                        string instanceObjectType  = NamingUtil.GetObjectTypeOverride(element, NamingUtil.CreateIFCObjectName(exporterIFC, element));
                        string instanceDescription = NamingUtil.GetDescriptionOverride(element, null);
                        string instanceTag         = NamingUtil.GetTagOverride(element, NamingUtil.CreateIFCElementId(element));

                        bool roomRelated = !FamilyExporterUtil.IsDistributionFlowElementSubType(exportType);

                        ElementId roomId = ElementId.InvalidElementId;
                        if (roomRelated)
                        {
                            roomId = setter.UpdateRoomRelativeCoordinates(element, out localPlacementToUse);
                        }

                        IFCAnyHandle instanceHandle = null;
                        if (FamilyExporterUtil.IsFurnishingElementSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFurnishingElement(file, instanceGUID, ownerHistory,
                                                                                         instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsDistributionFlowElementSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateDistributionFlowElement(file, instanceGUID, ownerHistory,
                                                                                               instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsEnergyConversionDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateEnergyConversionDevice(file, instanceGUID, ownerHistory,
                                                                                              instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowFittingSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowFitting(file, instanceGUID, ownerHistory,
                                                                                   instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowMovingDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowMovingDevice(file, instanceGUID, ownerHistory,
                                                                                        instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowSegmentSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowSegment(file, instanceGUID, ownerHistory,
                                                                                   instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowStorageDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowStorageDevice(file, instanceGUID, ownerHistory,
                                                                                         instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowTerminalSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowTerminal(file, instanceGUID, ownerHistory,
                                                                                    instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowTreatmentDeviceSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowTreatmentDevice(file, instanceGUID, ownerHistory,
                                                                                           instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }
                        else if (FamilyExporterUtil.IsFlowControllerSubType(exportType))
                        {
                            instanceHandle = IFCInstanceExporter.CreateFlowController(file, instanceGUID, ownerHistory,
                                                                                      instanceName, instanceDescription, instanceObjectType, localPlacementToUse, productRepresentation, instanceTag);
                        }

                        if (IFCAnyHandleUtil.IsNullOrHasNoValue(instanceHandle))
                        {
                            return(false);
                        }

                        bool relatedToSpace = (roomId != ElementId.InvalidElementId);
                        productWrapper.AddElement(element, instanceHandle, setter, extraParams, !relatedToSpace);
                        if (relatedToSpace)
                        {
                            exporterIFC.RelateSpatialElement(roomId, instanceHandle);
                        }

                        OpeningUtil.CreateOpeningsIfNecessary(instanceHandle, element, extraParams, null,
                                                              exporterIFC, localPlacementToUse, setter, productWrapper);

                        if (currentTypeInfo.IsValid())
                        {
                            ExporterCacheManager.TypeRelationsCache.Add(currentTypeInfo.Style, instanceHandle);
                        }

                        if (bodyData != null && bodyData.MaterialIds.Count != 0)
                        {
                            CategoryUtil.CreateMaterialAssociations(exporterIFC, instanceHandle, bodyData.MaterialIds);
                        }

                        ExporterCacheManager.MEPCache.Register(element, instanceHandle);

                        tr.Commit();
                    }
                }
            }
            return(true);
        }