private void CalculateDoorWindowInformation(ExporterIFC exporterIFC, FamilyInstance famInst,
ElementId overrideLevelId, Transform trf)
{
IFCFile file = exporterIFC.GetFile();
if (ExportingDoor)
{
string doorOperationType = null;
Element doorType = famInst.Document.GetElement(famInst.GetTypeId());
if (doorType != null)
{
// Look at the "Operation" override first, then the built-in parameter.
ParameterUtil.GetStringValueFromElementOrSymbol(doorType, "Operation", out doorOperationType);
if (string.IsNullOrWhiteSpace(doorOperationType))
{
ParameterUtil.GetStringValueFromElement(doorType, BuiltInParameter.DOOR_OPERATION_TYPE, out doorOperationType);
}
}
DoorOperationTypeString = "NOTDEFINED";
if (!string.IsNullOrWhiteSpace(doorOperationType))
{
Type enumType = null;
if (ExporterCacheManager.ExportOptionsCache.ExportAs4)
{
enumType = typeof(Toolkit.IFC4.IFCDoorStyleOperation);
}
else
{
enumType = typeof(Toolkit.IFCDoorStyleOperation);
}
foreach (Enum ifcDoorStyleOperation in Enum.GetValues(enumType))
{
string enumAsString = ifcDoorStyleOperation.ToString();
if (NamingUtil.IsEqualIgnoringCaseSpacesAndUnderscores(enumAsString, doorOperationType))
{
DoorOperationTypeString = enumAsString;
break;
}
}
}
if (DoorOperationTypeString == "NOTDEFINED")
{
// We are going to try to guess the hinge placement.
DoorOperationTypeString = CalculateDoorOperationStyle(famInst, trf);
}
else
{
if (FlippedX ^ FlippedY)
{
DoorOperationTypeString = ReverseDoorStyleOperation(DoorOperationTypeString);
}
}
if (String.Compare(DoorOperationTypeString, "USERDEFINED", true) == 0)
{
string userDefinedOperationType;
ParameterUtil.GetStringValueFromElementOrSymbol(doorType, "UserDefinedOperationType", out userDefinedOperationType);
if (!string.IsNullOrEmpty(userDefinedOperationType))
{
UserDefinedOperationType = userDefinedOperationType;
}
else
{
DoorOperationTypeString = "NOTDEFINED"; //re-set to NotDefined if operation type is set to UserDefined but the userDefinedOperationType parameter is empty!
}
}
}
if (HasRealWallHost)
{
// do hingeside calculation
Wall wall = HostObject as Wall;
PosHingeSide = true;
BoundingBoxXYZ famBBox = null;
Options options = GeometryUtil.GetIFCExportGeometryOptions();
GeometryElement geomElement = famInst.GetOriginalGeometry(options);
if (geomElement != null)
{
famBBox = geomElement.GetBoundingBox();
}
if (famBBox != null)
{
XYZ bboxCtr = trf.OfPoint((famBBox.Min + famBBox.Max) / 2.0);
Curve curve = WallExporter.GetWallAxis(wall);
XYZ wallZDir = WallExporter.GetWallHeightDirection(wall);
// famInst.HostParameter will fail if FamilyPlacementType is WorkPlaneBased, regardless of whether or not the reported host is a Wall.
// In this case, just use the start parameter of the curve.
bool hasHostParameter = famInst.Symbol.Family.FamilyPlacementType != FamilyPlacementType.WorkPlaneBased;
double param = hasHostParameter ? famInst.HostParameter : curve.GetEndParameter(0);
Transform wallTrf = curve.ComputeDerivatives(param, false);
XYZ wallOrig = wallTrf.Origin;
XYZ wallXDir = wallTrf.BasisX;
XYZ wallYDir = wallZDir.CrossProduct(wallXDir);
double eps = MathUtil.Eps();
bboxCtr -= wallOrig;
PosHingeSide = (bboxCtr.DotProduct(wallYDir) > -eps);
XYZ famInstYDir = trf.BasisY;
FlippedSymbol = (PosHingeSide != (wallYDir.DotProduct(famInstYDir) > -eps));
}
}
}
/// <summary>
/// Creates an opening from extrusion data.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="hostObjHnd">The host handle.</param>
/// <param name="hostPlacement">The host placement.</param>
/// <param name="hostElement">The host element.</param>
/// <param name="insertElement">The opening element.</param>
/// <param name="openingGUID">The opening GUID.</param>
/// <param name="extrusionData">The extrusion data.</param>
/// <param name="plane">The plane.</param>
/// <param name="isRecess">True if it is a recess.</param>
/// <returns>The opening handle.</returns>
static public IFCAnyHandle CreateOpening(ExporterIFC exporterIFC, IFCAnyHandle hostObjHnd, IFCAnyHandle hostPlacement, Element hostElement,
Element insertElement, string openingGUID, IFCExtrusionData extrusionData, Plane plane, bool isRecess,
PlacementSetter setter, ProductWrapper localWrapper)
{
IFCFile file = exporterIFC.GetFile();
IList <CurveLoop> curveLoops = extrusionData.GetLoops();
if (curveLoops.Count == 0)
{
return(null);
}
if (plane == null)
{
// assumption: first curve loop defines the plane.
if (!curveLoops[0].HasPlane())
{
return(null);
}
plane = curveLoops[0].GetPlane();
}
ElementId catId = CategoryUtil.GetSafeCategoryId(insertElement);
IFCAnyHandle openingProdRepHnd = RepresentationUtil.CreateExtrudedProductDefShape(exporterIFC, insertElement, catId,
curveLoops, plane, extrusionData.ExtrusionDirection, extrusionData.ScaledExtrusionLength);
string openingObjectType = isRecess ? "Recess" : "Opening";
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
string openingName = NamingUtil.GetNameOverride(insertElement, null);
if (string.IsNullOrEmpty(openingName))
{
openingName = NamingUtil.GetNameOverride(hostElement, NamingUtil.CreateIFCObjectName(exporterIFC, hostElement));
}
IFCAnyHandle openingHnd = IFCInstanceExporter.CreateOpeningElement(file, openingGUID, ownerHistory, openingName, null,
openingObjectType, ExporterUtil.CreateLocalPlacement(file, hostPlacement, null), openingProdRepHnd, null);
IFCExtrusionCreationData ecData = null;
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities)
{
double height, width;
ecData = new IFCExtrusionCreationData();
if (GeometryUtil.ComputeHeightWidthOfCurveLoop(curveLoops[0], plane, out height, out width))
{
ecData.ScaledHeight = UnitUtil.ScaleLength(height);
ecData.ScaledWidth = UnitUtil.ScaleLength(width);
}
else
{
double area = ExporterIFCUtils.ComputeAreaOfCurveLoops(curveLoops);
ecData.ScaledArea = UnitUtil.ScaleArea(area);
}
PropertyUtil.CreateOpeningQuantities(exporterIFC, openingHnd, ecData);
}
if (localWrapper != null)
{
Element elementForProperties = null;
if (GUIDUtil.IsGUIDFor(insertElement, openingGUID))
{
elementForProperties = insertElement;
}
localWrapper.AddElement(elementForProperties, openingHnd, setter, ecData, true);
}
string voidGuid = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null, hostObjHnd, openingHnd);
return(openingHnd);
}
/// <summary>
/// Creates openings if there is necessary.
/// </summary>
/// <param name="elementHandle">The element handle to create openings.</param>
/// <param name="element">The element to create openings.</param>
/// <param name="info">The extrusion data.</param>
/// <param name="extraParams">The extrusion creation data.</param>
/// <param name="offsetTransform">The offset transform from ExportBody, or the identity transform.</param>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="originalPlacement">The original placement handle.</param>
/// <param name="setter">The PlacementSetter.</param>
/// <param name="wrapper">The ProductWrapper.</param>
private static void CreateOpeningsIfNecessaryBase(IFCAnyHandle elementHandle, Element element, IList <IFCExtrusionData> info,
IFCExtrusionCreationData extraParams, Transform offsetTransform, ExporterIFC exporterIFC,
IFCAnyHandle originalPlacement, PlacementSetter setter, ProductWrapper wrapper)
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(elementHandle))
{
return;
}
int sz = info.Count;
if (sz == 0)
{
return;
}
using (TransformSetter transformSetter = TransformSetter.Create())
{
if (offsetTransform != null)
{
transformSetter.Initialize(exporterIFC, offsetTransform.Inverse);
}
IFCFile file = exporterIFC.GetFile();
ElementId categoryId = CategoryUtil.GetSafeCategoryId(element);
Document document = element.Document;
string openingObjectType = "Opening";
int openingNumber = 1;
for (int curr = info.Count - 1; curr >= 0; curr--)
{
IFCAnyHandle extrusionHandle = ExtrusionExporter.CreateExtrudedSolidFromExtrusionData(exporterIFC, element, info[curr]);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(extrusionHandle))
{
continue;
}
BodyExporter.CreateSurfaceStyleForRepItem(exporterIFC, document, extrusionHandle, ElementId.InvalidElementId);
HashSet <IFCAnyHandle> bodyItems = new HashSet <IFCAnyHandle>();
bodyItems.Add(extrusionHandle);
IFCAnyHandle contextOfItems = exporterIFC.Get3DContextHandle("Body");
IFCAnyHandle bodyRep = RepresentationUtil.CreateSweptSolidRep(exporterIFC, element, categoryId, contextOfItems, bodyItems, null);
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
representations.Add(bodyRep);
IFCAnyHandle openingRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle openingPlacement = ExporterUtil.CopyLocalPlacement(file, originalPlacement);
string guid = GUIDUtil.CreateGUID();
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
string openingName = NamingUtil.GetIFCNamePlusIndex(element, openingNumber++);
string elementId = NamingUtil.CreateIFCElementId(element);
IFCAnyHandle openingElement = IFCInstanceExporter.CreateOpeningElement(file, guid, ownerHistory,
openingName, null, openingObjectType, openingPlacement, openingRep, elementId);
wrapper.AddElement(null, openingElement, setter, extraParams, true);
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities && (extraParams != null))
{
PropertyUtil.CreateOpeningQuantities(exporterIFC, openingElement, extraParams);
}
string voidGuid = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null, elementHandle, openingElement);
}
}
}
private void GenerateIFCObjectsIfNeeded()
{
if (m_needToGenerateIFCObjects)
{
m_needToGenerateIFCObjects = false;
}
else
{
return;
}
IFCAnyHandle materialLayerSet = null;
if (m_ProductWrapper != null && !m_ProductWrapper.ToNative().IsValidObject)
{
m_ProductWrapper = null;
}
if (m_ProductWrapper != null)
{
m_ProductWrapper.ClearFinishMaterials();
}
// We can't create IfcMaterialLayers without creating an IfcMaterialLayerSet. So we will simply collate here.
IList <IFCAnyHandle> materialHnds = new List <IFCAnyHandle>();
IList <int> widthIndices = new List <int>();
double thickestLayer = 0.0;
for (int ii = 0; ii < MaterialIds.Count; ++ii)
{
// Require positive width for IFC2x3 and before, and non-negative width for IFC4.
double matWidth = MaterialIds[ii].m_matWidth;
if (MaterialIds[ii].m_matWidth < -MathUtil.Eps())
{
continue;
}
bool almostZeroWidth = MathUtil.IsAlmostZero(MaterialIds[ii].m_matWidth);
if (!ExporterCacheManager.ExportOptionsCache.ExportAs4 && almostZeroWidth)
{
continue;
}
if (almostZeroWidth)
{
MaterialIds[ii].m_matWidth = 0.0;
}
IFCAnyHandle materialHnd = CategoryUtil.GetOrCreateMaterialHandle(m_ExporterIFC, MaterialIds[ii].m_baseMatId);
if (m_PrimaryMaterialHandle == null || (MaterialIds[ii].m_matWidth > thickestLayer))
{
m_PrimaryMaterialHandle = materialHnd;
thickestLayer = MaterialIds[ii].m_matWidth;
}
widthIndices.Add(ii);
materialHnds.Add(materialHnd);
if ((m_ProductWrapper != null) && (MaterialIds[ii].m_function == MaterialFunctionAssignment.Finish1 || MaterialIds[ii].m_function == MaterialFunctionAssignment.Finish2))
{
m_ProductWrapper.AddFinishMaterial(materialHnd);
}
}
int numLayersToCreate = widthIndices.Count;
if (numLayersToCreate == 0)
{
m_MaterialLayerSetHandle = materialLayerSet;
return;
}
// If it is a single material, check single material override (only IfcMaterial without IfcMaterialLayerSet with only 1 member)
if (numLayersToCreate == 1 && ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)
{
IFCAnyHandle singleMaterialOverrideHnd = ExporterUtil.GetSingleMaterial(m_ExporterIFC, m_Element, MaterialIds[0].m_baseMatId);
if (singleMaterialOverrideHnd != null)
{
m_MaterialLayerSetHandle = singleMaterialOverrideHnd;
}
else
{
m_MaterialLayerSetHandle = materialHnds[0];
}
return;
}
IFCFile file = m_ExporterIFC.GetFile();
Document document = ExporterCacheManager.Document;
IList <IFCAnyHandle> layers = new List <IFCAnyHandle>(numLayersToCreate);
IList <Tuple <string, IFCAnyHandle> > layerWidthQuantities = new List <Tuple <string, IFCAnyHandle> >();
HashSet <string> layerNameUsed = new HashSet <string>();
double totalWidth = 0.0;
for (int ii = 0; ii < numLayersToCreate; ii++)
{
int widthIndex = widthIndices[ii];
double scaledWidth = UnitUtil.ScaleLength(MaterialIds[widthIndex].m_matWidth);
string layerName = "Layer";
string description = null;
string category = null;
int? priority = null;
IFCLogical?isVentilated = null;
int isVentilatedValue;
Material material = document.GetElement(MaterialIds[ii].m_baseMatId) as Material;
if (material != null)
{
if (ParameterUtil.GetIntValueFromElement(material, "IfcMaterialLayer.IsVentilated", out isVentilatedValue) != null)
{
if (isVentilatedValue == 0)
{
isVentilated = IFCLogical.False;
}
else if (isVentilatedValue == 1)
{
isVentilated = IFCLogical.True;
}
}
if (ExporterCacheManager.ExportOptionsCache.ExportAs4)
{
layerName = MaterialIds[ii].m_layerName;
if (string.IsNullOrEmpty(layerName))
{
layerName = "Layer";
}
// Ensure layer name is unique
layerName = NamingUtil.GetUniqueNameWithinSet(layerName, ref layerNameUsed);
description = NamingUtil.GetOverrideStringValue(material, "IfcMaterialLayer.Description",
IFCAnyHandleUtil.GetStringAttribute(materialHnds[ii], "Description"));
category = NamingUtil.GetOverrideStringValue(material, "IfcMaterialLayer.Category",
IFCAnyHandleUtil.GetStringAttribute(materialHnds[ii], "Category"));
int priorityValue;
if (ParameterUtil.GetIntValueFromElement(material, "IfcMaterialLayer.Priority", out priorityValue) != null)
{
priority = priorityValue;
}
}
}
if (ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)
{
// Skip component that has zero width (the will be no geometry associated to it
if (MathUtil.IsAlmostZero(scaledWidth))
{
continue;
}
IFCAnyHandle materialConstituent = IFCInstanceExporter.CreateMaterialConstituent(file, materialHnds[ii],
name: layerName, description: description, category: category);
layers.Add(materialConstituent);
IFCAnyHandle layerQtyHnd = IFCInstanceExporter.CreateQuantityLength(file, "Width", description, null, scaledWidth);
totalWidth += scaledWidth;
layerWidthQuantities.Add(new Tuple <string, IFCAnyHandle>(layerName, layerQtyHnd));
}
else
{
IFCAnyHandle materialLayer = IFCInstanceExporter.CreateMaterialLayer(file, materialHnds[ii], scaledWidth, isVentilated,
name: layerName, description: description, category: category, priority: priority);
layers.Add(materialLayer);
}
}
ElementId typeElemId = m_Element.GetTypeId();
if (layers.Count > 0)
{
Element type = document.GetElement(typeElemId);
string layerSetName = NamingUtil.GetOverrideStringValue(type, "IfcMaterialLayerSet.Name", m_ExporterIFC.GetFamilyName());
string layerSetDesc = NamingUtil.GetOverrideStringValue(type, "IfcMaterialLayerSet.Description", null);
if (ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)
{
HashSet <IFCAnyHandle> constituents = new HashSet <IFCAnyHandle>(layers);
m_MaterialLayerSetHandle = IFCInstanceExporter.CreateMaterialConstituentSet(file, constituents, name: layerSetName, description: layerSetDesc);
foreach (Tuple <string, IFCAnyHandle> layerWidthQty in layerWidthQuantities)
{
m_LayerQuantityWidthHnd.Add(IFCInstanceExporter.CreatePhysicalComplexQuantity(file, layerWidthQty.Item1, null,
new HashSet <IFCAnyHandle>()
{
layerWidthQty.Item2
}, "Layer", null, null));
}
// Finally create the total width as a quantity
m_LayerQuantityWidthHnd.Add(IFCInstanceExporter.CreateQuantityLength(file, "Width", null, null, totalWidth));
}
else
{
m_MaterialLayerSetHandle = IFCInstanceExporter.CreateMaterialLayerSet(file, layers, layerSetName, layerSetDesc);
}
ExporterCacheManager.MaterialSetCache.RegisterLayerSet(typeElemId, m_MaterialLayerSetHandle, this);
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(m_PrimaryMaterialHandle))
{
ExporterCacheManager.MaterialSetCache.RegisterPrimaryMaterialHnd(typeElemId, m_PrimaryMaterialHandle);
}
}
/// <summary>
/// Creates an opening from a solid.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="hostObjHnd">The host object handle.</param>
/// <param name="hostElement">The host element.</param>
/// <param name="insertElement">The insert element.</param>
/// <param name="openingGUID">The GUID for the opening, depending on how the opening is created.</param>
/// <param name="solid">The solid.</param>
/// <param name="scaledHostWidth">The scaled host width.</param>
/// <param name="isRecess">True if it is recess.</param>
/// <param name="extrusionCreationData">The extrusion creation data.</param>
/// <param name="setter">The placement setter.</param>
/// <param name="localWrapper">The product wrapper.</param>
/// <returns>The created opening handle.</returns>
static public IFCAnyHandle CreateOpening(ExporterIFC exporterIFC, IFCAnyHandle hostObjHnd, Element hostElement, Element insertElement, string openingGUID,
Solid solid, double scaledHostWidth, bool isRecess, IFCExtrusionCreationData extrusionCreationData, PlacementSetter setter, ProductWrapper localWrapper)
{
IFCFile file = exporterIFC.GetFile();
ElementId catId = CategoryUtil.GetSafeCategoryId(insertElement);
XYZ prepToWall;
bool isLinearWall = GetOpeningDirection(hostElement, out prepToWall);
if (isLinearWall)
{
extrusionCreationData.CustomAxis = prepToWall;
extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryCustom;
}
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, ExportOptionsCache.ExportTessellationLevel.ExtraLow);
BodyData bodyData = BodyExporter.ExportBody(exporterIFC, insertElement, catId, ElementId.InvalidElementId,
solid, bodyExporterOptions, extrusionCreationData);
IFCAnyHandle openingRepHnd = bodyData.RepresentationHnd;
if (IFCAnyHandleUtil.IsNullOrHasNoValue(openingRepHnd))
{
extrusionCreationData.ClearOpenings();
return(null);
}
IList <IFCAnyHandle> representations = new List <IFCAnyHandle>();
representations.Add(openingRepHnd);
IFCAnyHandle prodRep = IFCInstanceExporter.CreateProductDefinitionShape(file, null, null, representations);
IFCAnyHandle openingPlacement = extrusionCreationData.GetLocalPlacement();
IFCAnyHandle hostObjPlacementHnd = IFCAnyHandleUtil.GetObjectPlacement(hostObjHnd);
Transform relTransform = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(openingPlacement, hostObjPlacementHnd);
openingPlacement = ExporterUtil.CreateLocalPlacement(file, hostObjPlacementHnd,
relTransform.Origin, relTransform.BasisZ, relTransform.BasisX);
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
double scaledOpeningLength = extrusionCreationData.ScaledLength;
string openingObjectType = "Opening";
if (!MathUtil.IsAlmostZero(scaledHostWidth) && !MathUtil.IsAlmostZero(scaledOpeningLength))
{
openingObjectType = scaledOpeningLength < (scaledHostWidth - MathUtil.Eps()) ? "Recess" : "Opening";
}
else
{
openingObjectType = isRecess ? "Recess" : "Opening";
}
string openingName = NamingUtil.GetNameOverride(insertElement, null);
if (string.IsNullOrEmpty(openingName))
{
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(hostObjHnd))
{
openingName = IFCAnyHandleUtil.GetStringAttribute(hostObjHnd, "Name");
}
else
{
openingName = NamingUtil.GetNameOverride(hostElement, NamingUtil.CreateIFCObjectName(exporterIFC, hostElement));
}
}
IFCAnyHandle openingHnd = IFCInstanceExporter.CreateOpeningElement(file, openingGUID, ownerHistory, openingName, null,
openingObjectType, openingPlacement, prodRep, null);
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities)
{
PropertyUtil.CreateOpeningQuantities(exporterIFC, openingHnd, extrusionCreationData);
}
if (localWrapper != null)
{
Element elementForProperties = null;
if (GUIDUtil.IsGUIDFor(insertElement, openingGUID))
{
elementForProperties = insertElement;
}
localWrapper.AddElement(insertElement, openingHnd, setter, extrusionCreationData, true);
}
string voidGuid = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null, hostObjHnd, openingHnd);
return(openingHnd);
}
/// <summary>
/// Collect information about material layer.
/// For IFC4RV Architectural exchange, it will generate IfcMatrialConstituentSet along with the relevant IfcShapeAspect and the width in the quantityset
/// For IFC4RV Structural exchange, it will generate multiple components as IfcBuildingElementPart for each layer
/// For others IfcMaterialLayer will be created
/// </summary>
private void CollectMaterialLayerSet()
{
ElementId typeElemId = m_Element.GetTypeId();
IFCAnyHandle materialLayerSet = ExporterCacheManager.MaterialSetCache.FindLayerSet(typeElemId);
// Roofs with no components are only allowed one material. We will arbitrarily choose the thickest material.
m_PrimaryMaterialHandle = ExporterCacheManager.MaterialSetCache.FindPrimaryMaterialHnd(typeElemId);
bool materialHandleIsNotValid = IFCAnyHandleUtil.IsNullOrHasNoValue(materialLayerSet);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(materialLayerSet) || materialHandleIsNotValid)
{
if (materialHandleIsNotValid)
{
UnregisterIFCHandles();
}
m_needToGenerateIFCObjects = true;
List <double> widths = new List <double>();
List <MaterialFunctionAssignment> functions = new List <MaterialFunctionAssignment>();
HostObjAttributes hostObjAttr = m_Element.Document.GetElement(typeElemId) as HostObjAttributes;
if (hostObjAttr == null)
{
// It does not have the HostObjAttribute (where we will get the compound structure for material layer set.
// We will define a single material instead and create the material layer set of this single material if there is enough information (At least Material id and thickness)
FamilyInstance familyInstance = m_Element as FamilyInstance;
if (familyInstance == null)
{
return;
}
FamilySymbol familySymbol = familyInstance.Symbol;
ICollection <ElementId> famMatIds = familySymbol.GetMaterialIds(false);
if (famMatIds.Count == 0)
{
// For some reason Plate type may not return any Material id
ElementId baseMatId = CategoryUtil.GetBaseMaterialIdForElement(m_Element);
Material material = m_Element.Document.GetElement(baseMatId) as Material;
if (material == null)
{
return;
}
string layerName = NamingUtil.GetMaterialLayerName(material);
double matWidth = 0.0;
Parameter thicknessPar = familySymbol.get_Parameter(BuiltInParameter.CURTAIN_WALL_SYSPANEL_THICKNESS);
if (thicknessPar != null)
{
matWidth = thicknessPar.AsDouble();
}
widths.Add(matWidth);
if (baseMatId != ElementId.InvalidElementId)
{
MaterialIds.Add(new MaterialInfo(baseMatId, layerName, matWidth, MaterialFunctionAssignment.None));
}
// How to get the thickness? For CurtainWall Panel (PanelType), there is a builtin parameter CURTAINWALL_SYSPANEL_THICKNESS
functions.Add(MaterialFunctionAssignment.None);
}
else
{
foreach (ElementId matid in famMatIds)
{
// How to get the thickness? For CurtainWall Panel (PanelType), there is a builtin parameter CURTAINWALL_SYSPANEL_THICKNESS
Parameter thicknessPar = familySymbol.get_Parameter(BuiltInParameter.CURTAIN_WALL_SYSPANEL_THICKNESS);
double matWidth = 0.0;
if (thicknessPar == null)
{
matWidth = ParameterUtil.GetSpecialThicknessParameter(familySymbol);
}
else
{
matWidth = thicknessPar.AsDouble();
}
if (MathUtil.IsAlmostZero(matWidth))
{
continue;
}
widths.Add(matWidth);
ElementId baseMatId = CategoryUtil.GetBaseMaterialIdForElement(m_Element);
if (matid != ElementId.InvalidElementId)
{
Material material = m_Element.Document.GetElement(matid) as Material;
if (material != null)
{
string layerName = NamingUtil.GetMaterialLayerName(material);
MaterialIds.Add(new MaterialInfo(matid, layerName, matWidth, MaterialFunctionAssignment.None));
}
}
else
{
MaterialIds.Add(new MaterialInfo(baseMatId, null, matWidth, MaterialFunctionAssignment.None));
}
functions.Add(MaterialFunctionAssignment.None);
}
}
}
else
{
ElementId baseMatId = CategoryUtil.GetBaseMaterialIdForElement(m_Element);
CompoundStructure cs = hostObjAttr.GetCompoundStructure();
if (cs != null)
{
double scaledOffset = 0.0, scaledWallWidth = 0.0, wallHeight = 0.0;
Wall wall = m_Element as Wall;
if (wall != null)
{
scaledWallWidth = UnitUtil.ScaleLength(wall.Width);
scaledOffset = -scaledWallWidth / 2.0;
BoundingBoxXYZ boundingBox = wall.get_BoundingBox(null);
if (boundingBox != null)
{
wallHeight = boundingBox.Max.Z - boundingBox.Min.Z;
}
}
//TODO: Vertically compound structures are not yet supported by export.
if (!cs.IsVerticallyHomogeneous() && !MathUtil.IsAlmostZero(wallHeight))
{
cs = cs.GetSimpleCompoundStructure(wallHeight, wallHeight / 2.0);
}
for (int ii = 0; ii < cs.LayerCount; ++ii)
{
double matWidth = cs.GetLayerWidth(ii);
//if (MathUtil.IsAlmostZero(matWidth))
// continue;
ElementId matId = cs.GetMaterialId(ii);
widths.Add(matWidth);
// save layer function into ProductWrapper,
// it's used while exporting "Function" of Pset_CoveringCommon
functions.Add(cs.GetLayerFunction(ii));
if (matId != ElementId.InvalidElementId)
{
Material material = m_Element.Document.GetElement(matId) as Material;
if (material != null)
{
string layerName = NamingUtil.GetMaterialLayerName(material);
MaterialIds.Add(new MaterialInfo(matId, layerName, matWidth, functions.Last()));
}
}
else
{
MaterialIds.Add(new MaterialInfo(baseMatId, null, matWidth, functions.Last()));
}
}
}
if (MaterialIds.Count == 0)
{
double matWidth = cs != null?cs.GetWidth() : 0.0;
widths.Add(matWidth);
if (baseMatId != ElementId.InvalidElementId)
{
Material material = m_Element.Document.GetElement(baseMatId) as Material;
if (material != null)
{
string layerName = NamingUtil.GetMaterialLayerName(material);
MaterialIds.Add(new MaterialInfo(baseMatId, layerName, matWidth, MaterialFunctionAssignment.None));
}
}
functions.Add(MaterialFunctionAssignment.None);
}
}
}
else
{
m_needToGenerateIFCObjects = false;
m_MaterialLayerSetHandle = materialLayerSet;
MaterialLayerSetInfo mlsInfo = ExporterCacheManager.MaterialSetCache.FindMaterialLayerSetInfo(typeElemId);
if (mlsInfo != null)
{
MaterialIds = mlsInfo.MaterialIds;
m_PrimaryMaterialHandle = mlsInfo.PrimaryMaterialHandle;
m_LayerQuantityWidthHnd = mlsInfo.LayerQuantityWidthHnd;
}
}
return;
}
/// <summary>
/// Cache the parameters for an element's subelement (subelementHandle), allowing quick access later.
/// </summary>
/// <param name="elementId">The element id.</param>
/// <param name="subelementHandle">The subelement ifc handle.</param>
/// <param name="param">The element's parameter that we want to override.</param>
/// <param name="paramVal">The override value.</param>
static public void CacheParameterValuesForSubelementHandle(ElementId elementId, IFCAnyHandle subelementHandle, Parameter param, ParameterValue paramVal)
{
if ((elementId == ElementId.InvalidElementId) ||
(subelementHandle == null) ||
(param == null) ||
(paramVal == null))
{
return;
}
if (IsDuplicateParameter(param))
{
return;
}
Definition paramDefinition = param.Definition;
if (paramDefinition == null)
{
return;
}
// Don't cache parameters that aren't visible to the user.
InternalDefinition internalDefinition = paramDefinition as InternalDefinition;
if (internalDefinition != null && internalDefinition.Visible == false)
{
return;
}
if (string.IsNullOrWhiteSpace(paramDefinition.Name))
{
return;
}
string cleanPropertyName = NamingUtil.RemoveSpaces(paramDefinition.Name);
IDictionary <IFCAnyHandle, ParameterValueSubelementCache> anyHandleParamValMap;
if (!m_SubelementParameterValueCache.TryGetValue(elementId, out anyHandleParamValMap))
{
anyHandleParamValMap = new Dictionary <IFCAnyHandle, ParameterValueSubelementCache>();
m_SubelementParameterValueCache[elementId] = anyHandleParamValMap;
}
ParameterValueSubelementCache paramCache;
if (!anyHandleParamValMap.TryGetValue(subelementHandle, out paramCache))
{
paramCache = new ParameterValueSubelementCache();
anyHandleParamValMap[subelementHandle] = paramCache;
}
ParameterValue cachedParamVal;
if (paramCache.ParameterValueCache.TryGetValue(cleanPropertyName, out cachedParamVal))
{
return;
}
paramCache.ParameterValueCache[cleanPropertyName] = paramVal;
}
/// <summary>
/// Cache the parameters for an element, allowing quick access later.
/// </summary>
/// <param name="id">The element id.</param>
static private void CacheParametersForElement(ElementId id)
{
if (id == ElementId.InvalidElementId)
{
return;
}
if (m_NonIFCParameters.ContainsKey(id))
{
return;
}
IDictionary <BuiltInParameterGroup, ParameterElementCache> nonIFCParameters = new SortedDictionary <BuiltInParameterGroup, ParameterElementCache>();
ParameterElementCache ifcParameters = new ParameterElementCache();
m_NonIFCParameters[id] = nonIFCParameters;
m_IFCParameters[id] = ifcParameters;
Element element = ExporterCacheManager.Document.GetElement(id);
if (element == null)
{
return;
}
ParameterSet parameterIds = element.Parameters;
if (parameterIds.Size == 0)
{
return;
}
// We will do two passes. In the first pass, we will look at parameters in the IFC group.
// In the second pass, we will look at all other groups.
ParameterSetIterator parameterIt = parameterIds.ForwardIterator();
while (parameterIt.MoveNext())
{
Parameter parameter = parameterIt.Current as Parameter;
if (parameter == null)
{
continue;
}
if (IsDuplicateParameter(parameter))
{
continue;
}
Definition paramDefinition = parameter.Definition;
if (paramDefinition == null)
{
continue;
}
// Don't cache parameters that aren't visible to the user.
InternalDefinition internalDefinition = paramDefinition as InternalDefinition;
if (internalDefinition != null && internalDefinition.Visible == false)
{
continue;
}
if (string.IsNullOrWhiteSpace(paramDefinition.Name))
{
continue;
}
string cleanPropertyName = NamingUtil.RemoveSpaces(paramDefinition.Name);
BuiltInParameterGroup groupId = paramDefinition.ParameterGroup;
if (groupId != BuiltInParameterGroup.PG_IFC)
{
ParameterElementCache cacheForGroup = null;
if (!nonIFCParameters.TryGetValue(groupId, out cacheForGroup))
{
cacheForGroup = new ParameterElementCache();
nonIFCParameters[groupId] = cacheForGroup;
}
cacheForGroup.ParameterCache[cleanPropertyName] = parameter;
}
else
{
ifcParameters.ParameterCache[cleanPropertyName] = parameter;
}
}
}
/// <summary>
/// Gets material handle from material id or creates one if there is none.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="materialId">The material id.</param>
/// <returns>The handle.</returns>
public static IFCAnyHandle GetOrCreateMaterialHandle(ExporterIFC exporterIFC, ElementId materialId)
{
Document document = ExporterCacheManager.Document;
IFCAnyHandle materialNameHandle = ExporterCacheManager.MaterialHandleCache.Find(materialId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(materialNameHandle))
{
string materialName = " <Unnamed>";
string description = null;
string category = null;
if (materialId != ElementId.InvalidElementId)
{
Material material = document.GetElement(materialId) as Material;
if (material != null)
{
materialName = NamingUtil.GetNameOverride(material, material.Name);
}
if (ExporterCacheManager.ExportOptionsCache.ExportAs4)
{
category = NamingUtil.GetOverrideStringValue(material, "IfcCategory",
NamingUtil.GetOverrideStringValue(material, "Category", material.MaterialCategory));
description = NamingUtil.GetOverrideStringValue(material, "IfcDescription", null);
}
}
materialNameHandle = IFCInstanceExporter.CreateMaterial(exporterIFC.GetFile(), materialName, description: description, category: category);
ExporterCacheManager.MaterialHandleCache.Register(materialId, materialNameHandle);
// associate Material with SurfaceStyle if necessary.
IFCFile file = exporterIFC.GetFile();
if (materialId != ElementId.InvalidElementId && !ExporterCacheManager.ExportOptionsCache.ExportAs2x2 && materialNameHandle.HasValue)
{
HashSet <IFCAnyHandle> matRepHandles = IFCAnyHandleUtil.GetHasRepresentation(materialNameHandle);
if (matRepHandles.Count == 0)
{
Material matElem = document.GetElement(materialId) as Material;
// TODO_DOUBLE_PATTERN - deal with background pattern
ElementId fillPatternId = (matElem != null) ? matElem.CutForegroundPatternId : ElementId.InvalidElementId;
Autodesk.Revit.DB.Color color = (matElem != null) ? GetSafeColor(matElem.CutForegroundPatternColor) : new Color(0, 0, 0);
double planScale = 100.0;
HashSet <IFCAnyHandle> styles = new HashSet <IFCAnyHandle>();
bool hasFill = false;
IFCAnyHandle styledRepItem = null;
IFCAnyHandle matStyleHnd = CategoryUtil.GetOrCreateMaterialStyle(document, exporterIFC, materialId);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(matStyleHnd) && !ExporterCacheManager.ExportOptionsCache.ExportAs4ReferenceView)
{
styles.Add(matStyleHnd);
bool supportCutStyles = !ExporterCacheManager.ExportOptionsCache.ExportAsCoordinationView2;
if (fillPatternId != ElementId.InvalidElementId && supportCutStyles)
{
IFCAnyHandle cutStyleHnd = exporterIFC.GetOrCreateFillPattern(fillPatternId, color, planScale);
if (cutStyleHnd.HasValue)
{
styles.Add(cutStyleHnd);
hasFill = true;
}
}
IFCAnyHandle presStyleHnd = IFCInstanceExporter.CreatePresentationStyleAssignment(file, styles);
HashSet <IFCAnyHandle> presStyleSet = new HashSet <IFCAnyHandle>();
presStyleSet.Add(presStyleHnd);
IFCAnyHandle styledItemHnd = IFCInstanceExporter.CreateStyledItem(file, styledRepItem, presStyleSet, null);
IFCAnyHandle contextOfItems = exporterIFC.Get3DContextHandle("");
string repId = "Style";
string repType = (hasFill) ? "Material and Cut Pattern" : "Material";
HashSet <IFCAnyHandle> repItems = new HashSet <IFCAnyHandle>();
repItems.Add(styledItemHnd);
IFCAnyHandle styleRepHnd = IFCInstanceExporter.CreateStyledRepresentation(file, contextOfItems, repId, repType, repItems);
List <IFCAnyHandle> repList = new List <IFCAnyHandle>();
repList.Add(styleRepHnd);
IFCAnyHandle matDefRepHnd = IFCInstanceExporter.CreateMaterialDefinitionRepresentation(file, null, null, repList, materialNameHandle);
}
}
}
}
return(materialNameHandle);
}
/// <summary>
/// Cache the parameters for an element, allowing quick access later.
/// </summary>
/// <param name="id">The element id.</param>
static private void CacheParametersForElement(ElementId id)
{
if (id == ElementId.InvalidElementId)
{
return;
}
if (m_NonIFCParameters.ContainsKey(id))
{
return;
}
IDictionary <BuiltInParameterGroup, ParameterElementCache> nonIFCParameters = new SortedDictionary <BuiltInParameterGroup, ParameterElementCache>();
ParameterElementCache ifcParameters = new ParameterElementCache();
m_NonIFCParameters[id] = nonIFCParameters;
m_IFCParameters[id] = ifcParameters;
Element element = ExporterCacheManager.Document.GetElement(id);
if (element == null)
{
return;
}
ParameterSet parameterIds = element.Parameters;
if (parameterIds.Size == 0)
{
return;
}
// We will do two passes. In the first pass, we will look at parameters in the IFC group.
// In the second pass, we will look at all other groups.
ParameterSetIterator parameterIt = parameterIds.ForwardIterator();
while (parameterIt.MoveNext())
{
Parameter parameter = parameterIt.Current as Parameter;
if (parameter == null)
{
continue;
}
if (IsDuplicateParameter(parameter))
{
continue;
}
Definition paramDefinition = parameter.Definition;
if (paramDefinition == null)
{
continue;
}
// Don't cache parameters that aren't visible to the user.
InternalDefinition internalDefinition = paramDefinition as InternalDefinition;
if (internalDefinition != null && internalDefinition.Visible == false)
{
continue;
}
if (string.IsNullOrWhiteSpace(paramDefinition.Name))
{
continue;
}
string cleanPropertyName = NamingUtil.RemoveSpaces(paramDefinition.Name);
BuiltInParameterGroup groupId = paramDefinition.ParameterGroup;
ParameterElementCache cacheForGroup = null;
if (groupId != BuiltInParameterGroup.PG_IFC)
{
if (!nonIFCParameters.TryGetValue(groupId, out cacheForGroup))
{
cacheForGroup = new ParameterElementCache();
nonIFCParameters[groupId] = cacheForGroup;
}
}
else
{
cacheForGroup = ifcParameters;
}
if (cacheForGroup != null)
{
// We may have situations (due to bugs) where a parameter with the same name appears multiple times.
// In this case, we will preserve the first parameter with a value.
// Note that this can still cause inconsistent behavior in the case where multiple parameters with the same
// name have values, and we should warn about that when we start logging.
if (!cacheForGroup.ParameterCache.ContainsKey(cleanPropertyName) ||
!cacheForGroup.ParameterCache[cleanPropertyName].HasValue)
{
cacheForGroup.ParameterCache[cleanPropertyName] = parameter;
}
}
}
}
