private void GetFabricSheetParams(FabricSheet sheet)
{
if (sheet == null)
{
return;
}
MeshLength = sheet.CutOverallLength;
MeshWidth = sheet.CutOverallWidth;
if (sheet == null)
{
return;
}
Document doc = sheet.Document;
Element fabricSheetTypeElem = doc?.GetElement(sheet.GetTypeId());
FabricSheetType fabricSheetType = fabricSheetTypeElem as FabricSheetType;
SteelGrade = NamingUtil.GetOverrideStringValue(sheet, "SteelGrade", null);
Element majorFabricWireTypeElem = doc?.GetElement(fabricSheetType?.MajorDirectionWireType);
FabricWireType majorFabricWireType = (majorFabricWireTypeElem == null) ? null : (majorFabricWireTypeElem as FabricWireType);
if (majorFabricWireType != null)
{
LongitudinalBarNominalDiameter = UnitUtil.ScaleLength(majorFabricWireType.WireDiameter);
double localRadius = LongitudinalBarNominalDiameter / 2.0;
LongitudinalBarCrossSectionArea = localRadius * localRadius * Math.PI;
}
Element minorFabricWireTypeElem = doc?.GetElement(fabricSheetType?.MinorDirectionWireType);
FabricWireType minorFabricWireType = (minorFabricWireTypeElem == null) ? null : (minorFabricWireTypeElem as FabricWireType);
if (minorFabricWireType != null)
{
TransverseBarNominalDiameter = UnitUtil.ScaleLength(minorFabricWireType.WireDiameter);
double localRadius = TransverseBarNominalDiameter / 2.0;
TransverseBarCrossSectionArea = localRadius * localRadius * Math.PI;
}
LongitudinalBarSpacing = UnitUtil.ScaleLength(fabricSheetType.MajorSpacing);
TransverseBarSpacing = UnitUtil.ScaleLength(fabricSheetType.MinorSpacing);
}
/// <summary>
/// Creates an opening from extrusion data.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="hostObjHnd">The host handle.</param>
/// <param name="hostPlacement">The host placement.</param>
/// <param name="hostElement">The host element.</param>
/// <param name="insertElement">The opening element.</param>
/// <param name="openingGUID">The opening GUID.</param>
/// <param name="extrusionData">The extrusion data.</param>
/// <param name="plane">The plane.</param>
/// <param name="isRecess">True if it is a recess.</param>
/// <returns>The opening handle.</returns>
static public IFCAnyHandle CreateOpening(ExporterIFC exporterIFC, IFCAnyHandle hostObjHnd, IFCAnyHandle hostPlacement, Element hostElement,
Element insertElement, string openingGUID, IFCExtrusionData extrusionData, Plane plane, bool isRecess,
PlacementSetter setter, ProductWrapper localWrapper)
{
IFCFile file = exporterIFC.GetFile();
IList <CurveLoop> curveLoops = extrusionData.GetLoops();
if (curveLoops.Count == 0)
{
return(null);
}
if (plane == null)
{
// assumption: first curve loop defines the plane.
if (!curveLoops[0].HasPlane())
{
return(null);
}
plane = curveLoops[0].GetPlane();
}
ElementId catId = CategoryUtil.GetSafeCategoryId(insertElement);
IFCAnyHandle openingProdRepHnd = RepresentationUtil.CreateExtrudedProductDefShape(exporterIFC, insertElement, catId,
curveLoops, plane, extrusionData.ExtrusionDirection, extrusionData.ScaledExtrusionLength);
string openingObjectType = isRecess ? "Recess" : "Opening";
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
string openingName = NamingUtil.GetNameOverride(insertElement, null);
if (string.IsNullOrEmpty(openingName))
{
openingName = NamingUtil.GetNameOverride(hostElement, NamingUtil.CreateIFCObjectName(exporterIFC, hostElement));
}
IFCAnyHandle openingHnd = IFCInstanceExporter.CreateOpeningElement(file, openingGUID, ownerHistory, openingName, null,
openingObjectType, ExporterUtil.CreateLocalPlacement(file, hostPlacement, null), openingProdRepHnd, null);
IFCExtrusionCreationData ecData = null;
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities)
{
double height, width;
ecData = new IFCExtrusionCreationData();
if (GeometryUtil.ComputeHeightWidthOfCurveLoop(curveLoops[0], plane, out height, out width))
{
ecData.ScaledHeight = UnitUtil.ScaleLength(height);
ecData.ScaledWidth = UnitUtil.ScaleLength(width);
}
else
{
double area = ExporterIFCUtils.ComputeAreaOfCurveLoops(curveLoops);
ecData.ScaledArea = UnitUtil.ScaleArea(area);
}
PropertyUtil.CreateOpeningQuantities(exporterIFC, openingHnd, ecData);
}
if (localWrapper != null)
{
Element elementForProperties = null;
if (GUIDUtil.IsGUIDFor(insertElement, openingGUID))
{
elementForProperties = insertElement;
}
localWrapper.AddElement(elementForProperties, openingHnd, setter, ecData, true);
}
string voidGuid = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null, hostObjHnd, openingHnd);
return(openingHnd);
}
/// <summary>
/// Creates a creator from DoorWindowInfo.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="doorWindowInfo">The DoorWindowInfo.</param>
/// <param name="instanceHandle">The instance handle.</param>
/// <param name="levelId">The level id.</param>
/// <returns>The creator.</returns>
public static DoorWindowDelayedOpeningCreator Create(ExporterIFC exporterIFC, DoorWindowInfo doorWindowInfo, IFCAnyHandle instanceHandle, ElementId levelId)
{
if (exporterIFC == null || doorWindowInfo == null)
{
return(null);
}
DoorWindowDelayedOpeningCreator doorWindowDelayedOpeningCreator = null;
if (doorWindowInfo.HasRealWallHost)
{
Document doc = doorWindowInfo.HostObject.Document;
Wall wall = doorWindowInfo.HostObject as Wall;
FamilyInstance famInst = doorWindowInfo.InsertInstance;
ElementId hostId = wall != null ? wall.Id : ElementId.InvalidElementId;
ElementId instId = famInst != null ? famInst.Id : ElementId.InvalidElementId;
doorWindowDelayedOpeningCreator = new DoorWindowDelayedOpeningCreator();
doorWindowDelayedOpeningCreator.HostId = hostId;
doorWindowDelayedOpeningCreator.InsertId = instId;
doorWindowDelayedOpeningCreator.PosHingeSide = doorWindowInfo.PosHingeSide;
doorWindowDelayedOpeningCreator.DoorWindowHnd = instanceHandle;
doorWindowDelayedOpeningCreator.LevelId = levelId;
doorWindowDelayedOpeningCreator.CreatedFromDoorWindowInfo = true;
WallType wallType = doc.GetElement(wall.GetTypeId()) as WallType;
double unScaledWidth = ((wallType != null) && (wallType.Kind != WallKind.Curtain)) ? wallType.Width : 0.0;
if (!MathUtil.IsAlmostZero(unScaledWidth))
{
IFCAnyHandle openingHnd = exporterIFC.GetDoorWindowOpeningHandle(instId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(openingHnd))
{
XYZ cutDir = null;
CurveLoop cutLoop = null;
try
{
cutLoop = ExporterIFCUtils.GetInstanceCutoutFromWall(wall.Document, wall, famInst, out cutDir);
}
catch
{
cutLoop = null;
// Couldn't create opening for door in wall - report as error in log when we create log file.
}
if (cutLoop != null)
{
if (doorWindowDelayedOpeningCreator.ExtrusionData == null)
{
doorWindowDelayedOpeningCreator.ExtrusionData = new List <IFCExtrusionData>();
}
IFCExtrusionData extrusionData = new IFCExtrusionData();
extrusionData.ExtrusionDirection = cutDir;
extrusionData.ScaledExtrusionLength = UnitUtil.ScaleLength(unScaledWidth);
extrusionData.AddLoop(cutLoop);
doorWindowDelayedOpeningCreator.ScaledHostWidth = UnitUtil.ScaleLength(unScaledWidth);
doorWindowDelayedOpeningCreator.ExtrusionData.Add(extrusionData);
doorWindowDelayedOpeningCreator.HasValidGeometry = true;
}
else
{
// Couldn't create opening for door in wall - report as error in log when we create log file.
}
}
}
}
return(doorWindowDelayedOpeningCreator);
}
/// <summary>
/// Excutes the creator.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="doc">The document.</param>
public void Execute(ExporterIFC exporterIFC, Document doc)
{
IFCAnyHandle hostObjHnd = !IFCAnyHandleUtil.IsNullOrHasNoValue(HostHnd) ? HostHnd :
DoorWindowUtil.GetHndForHostAndLevel(exporterIFC, HostId, LevelId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(hostObjHnd))
{
return;
}
IList <DoorWindowOpeningInfo> doorWindowOpeningInfoList = new List <DoorWindowOpeningInfo>();
Element doorElem = doc.GetElement(InsertId);
string openingGUID = GUIDUtil.CreateSubElementGUID(doorElem, (int)IFCDoorSubElements.DoorOpening);
if (ExtrusionData != null)
{
foreach (IFCExtrusionData extrusionData in ExtrusionData)
{
if (doorWindowOpeningInfoList.Count > 0)
{
openingGUID = GUIDUtil.CreateGUID();
}
DoorWindowOpeningInfo openingInfo = DoorWindowUtil.CreateOpeningForDoorWindow(exporterIFC, doc, hostObjHnd,
HostId, InsertId, openingGUID, extrusionData.GetLoops()[0], extrusionData.ExtrusionDirection,
UnitUtil.UnscaleLength(extrusionData.ScaledExtrusionLength), PosHingeSide, IsRecess);
if (openingInfo != null && !IFCAnyHandleUtil.IsNullOrHasNoValue(openingInfo.OpeningHnd))
{
doorWindowOpeningInfoList.Add(openingInfo);
}
}
}
if (Solids != null)
{
foreach (Solid solid in Solids)
{
if (doorWindowOpeningInfoList.Count > 0)
{
openingGUID = GUIDUtil.CreateGUID();
}
DoorWindowOpeningInfo openingInfo = DoorWindowUtil.CreateOpeningForDoorWindow(exporterIFC, doc, hostObjHnd,
HostId, InsertId, openingGUID, solid, ScaledHostWidth, IsRecess);
if (openingInfo != null && !IFCAnyHandleUtil.IsNullOrHasNoValue(openingInfo.OpeningHnd))
{
doorWindowOpeningInfoList.Add(openingInfo);
}
}
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(DoorWindowHnd))
{
return;
}
bool foundOpening = false;
bool foundHeight = false;
bool foundWidth = false;
bool?isDoorOrWindowOpening = null;
foreach (DoorWindowOpeningInfo openingInfo in doorWindowOpeningInfoList)
{
// If we've updated the door/window placement, and set its height and width, there's nothing more to do here.
if (foundOpening && foundHeight && foundWidth)
{
break;
}
// update original door or window to be relative to the first opening we find.
// We only allow one IfcRelFillsElement per door or window, so only do this for the first opening.
if (!foundOpening)
{
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle ownerHistory = ExporterCacheManager.OwnerHistoryHandle;
IFCAnyHandle openingHnd = openingInfo.OpeningHnd;
foundOpening = true;
string relGUID = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelFillsElement(file, relGUID, ownerHistory, null, null, openingHnd, DoorWindowHnd);
IFCAnyHandle openingPlacement = IFCAnyHandleUtil.GetObjectPlacement(openingHnd);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(openingPlacement))
{
IFCAnyHandle origObjectPlacement = IFCAnyHandleUtil.GetObjectPlacement(DoorWindowHnd);
Transform relTransform = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(origObjectPlacement, openingPlacement);
IFCAnyHandle newLocalPlacement = ExporterUtil.CreateLocalPlacement(file, openingPlacement,
relTransform.Origin, relTransform.BasisZ, relTransform.BasisX);
IFCAnyHandleUtil.SetAttribute(DoorWindowHnd, "ObjectPlacement", newLocalPlacement);
origObjectPlacement.Delete();
}
}
// The first entry for a particular door may not have the height or width set, so keep looking until we find an entry that does.
if (!isDoorOrWindowOpening.HasValue)
{
isDoorOrWindowOpening = IFCAnyHandleUtil.IsTypeOf(DoorWindowHnd, IFCEntityType.IfcDoor) || IFCAnyHandleUtil.IsTypeOf(DoorWindowHnd, IFCEntityType.IfcWindow);
}
if (!(foundHeight && foundWidth) && isDoorOrWindowOpening.Value)
{
double openingHeight = openingInfo.OpeningHeight;
double openingWidth = openingInfo.OpeningWidth;
if (openingHeight > MathUtil.Eps())
{
foundHeight = true;
IFCAnyHandleUtil.SetAttribute(DoorWindowHnd, "OverallHeight", UnitUtil.ScaleLength(openingHeight));
}
if (openingWidth > MathUtil.Eps())
{
foundWidth = true;
IFCAnyHandleUtil.SetAttribute(DoorWindowHnd, "OverallWidth", UnitUtil.ScaleLength(openingWidth));
}
}
}
}
/// <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();
MaterialIds = new List <Tuple <ElementId, string, double> >();
IFCAnyHandle materialLayerSet = ExporterCacheManager.MaterialSetCache.FindLayerSet(typeElemId);
// Roofs with no components are only allowed one material. We will arbitrarily choose the thickest material.
PrimaryMaterialHandle = ExporterCacheManager.MaterialSetCache.FindPrimaryMaterialHnd(typeElemId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(materialLayerSet))
{
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.GetOverrideStringValue(material, "IfcMaterialLayer.Name", material.Name);
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 Tuple <ElementId, string, double>(baseMatId, layerName, matWidth));
}
// 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.GetOverrideStringValue(material, "IfcMaterialLayer.Name", material.Name);
MaterialIds.Add(new Tuple <ElementId, string, double>(matid, layerName, matWidth));
}
}
else
{
MaterialIds.Add(new Tuple <ElementId, string, double>(baseMatId, null, matWidth));
}
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);
if (matId != ElementId.InvalidElementId)
{
Material material = m_Element.Document.GetElement(matId) as Material;
if (material != null)
{
string layerName = NamingUtil.GetOverrideStringValue(material, "IfcMaterialLayer.Name", material.Name);
MaterialIds.Add(new Tuple <ElementId, string, double>(matId, layerName, matWidth));
}
}
else
{
MaterialIds.Add(new Tuple <ElementId, string, double>(baseMatId, null, matWidth));
}
widths.Add(matWidth);
// save layer function into ProductWrapper,
// it's used while exporting "Function" of Pset_CoveringCommon
functions.Add(cs.GetLayerFunction(ii));
}
}
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.GetOverrideStringValue(material, "IfcMaterialLayer.Name", material.Name);
MaterialIds.Add(new Tuple <ElementId, string, double>(baseMatId, layerName, matWidth));
}
}
functions.Add(MaterialFunctionAssignment.None);
}
}
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.
if (widths[ii] < -MathUtil.Eps())
{
continue;
}
bool almostZeroWidth = MathUtil.IsAlmostZero(widths[ii]);
if (!ExporterCacheManager.ExportOptionsCache.ExportAs4 && almostZeroWidth)
{
continue;
}
if (almostZeroWidth)
{
widths[ii] = 0.0;
}
IFCAnyHandle materialHnd = CategoryUtil.GetOrCreateMaterialHandle(m_ExporterIFC, MaterialIds[ii].Item1);
if (PrimaryMaterialHandle == null || (widths[ii] > thickestLayer))
{
PrimaryMaterialHandle = materialHnd;
thickestLayer = widths[ii];
}
widthIndices.Add(ii);
materialHnds.Add(materialHnd);
if ((m_ProductWrapper != null) && (functions[ii] == MaterialFunctionAssignment.Finish1 || functions[ii] == MaterialFunctionAssignment.Finish2))
{
m_ProductWrapper.AddFinishMaterial(materialHnd);
}
}
int numLayersToCreate = widthIndices.Count;
if (numLayersToCreate == 0)
{
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)
{
string paramValue;
ParameterUtil.GetStringValueFromElementOrSymbol(m_Element, "IfcSingleMaterialOverride", out paramValue);
if (!string.IsNullOrEmpty(paramValue))
{
IFCAnyHandle singleMaterialOverrideHnd = IFCInstanceExporter.CreateMaterial(m_ExporterIFC.GetFile(), paramValue, null, null);
ExporterCacheManager.MaterialHandleCache.Register(MaterialIds[0].Item1, singleMaterialOverrideHnd);
MaterialLayerSetHandle = singleMaterialOverrideHnd;
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(widths[widthIndex]);
string layerName = "Layer";
string description = null;
string category = null;
int? priority = null;
IFCLogical?isVentilated = null;
int isVentilatedValue;
Material material = document.GetElement(MaterialIds[ii].Item1) 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].Item2;
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);
}
}
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);
MaterialLayerSetHandle = IFCInstanceExporter.CreateMaterialConstituentSet(file, constituents, name: layerSetName, description: layerSetDesc);
foreach (Tuple <string, IFCAnyHandle> layerWidthQty in layerWidthQuantities)
{
LayerQuantityWidthHnd.Add(IFCInstanceExporter.CreatePhysicalComplexQuantity(file, layerWidthQty.Item1, null,
new HashSet <IFCAnyHandle>()
{
layerWidthQty.Item2
}, "Layer", null, null));
}
// Finally create the total width as a quantity
LayerQuantityWidthHnd.Add(IFCInstanceExporter.CreateQuantityLength(file, "Width", null, null, totalWidth));
}
else
{
MaterialLayerSetHandle = IFCInstanceExporter.CreateMaterialLayerSet(file, layers, layerSetName, layerSetDesc);
}
ExporterCacheManager.MaterialSetCache.RegisterLayerSet(typeElemId, MaterialLayerSetHandle, this);
}
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(PrimaryMaterialHandle))
{
ExporterCacheManager.MaterialSetCache.RegisterPrimaryMaterialHnd(typeElemId, PrimaryMaterialHandle);
}
}
else
{
MaterialLayerSetHandle = materialLayerSet;
MaterialLayerSetInfo mlsInfo = ExporterCacheManager.MaterialSetCache.FindMaterialLayerSetInfo(typeElemId);
if (mlsInfo != null)
{
MaterialIds = mlsInfo.MaterialIds;
PrimaryMaterialHandle = mlsInfo.PrimaryMaterialHandle;
LayerQuantityWidthHnd = mlsInfo.LayerQuantityWidthHnd;
}
}
return;
}
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;
}
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.
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)
{
m_MaterialLayerSetHandle = ExporterUtil.GetSingleMaterial(m_ExporterIFC, m_Element,
MaterialIds[0].m_baseMatId) ?? 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>
/// 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
double matWidth = familySymbol.get_Parameter(BuiltInParameter.CURTAIN_WALL_SYSPANEL_THICKNESS)?.AsDouble() ??
ParameterUtil.GetSpecialThicknessParameter(familySymbol);
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);
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?.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>
/// Excutes the creator.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="doc">The document.</param>
public void Execute(ExporterIFC exporterIFC, Document doc)
{
IFCAnyHandle hostObjHnd = !IFCAnyHandleUtil.IsNullOrHasNoValue(HostHnd) ? HostHnd :
DoorWindowUtil.GetHndForHostAndLevel(exporterIFC, HostId, LevelId);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(hostObjHnd))
{
return;
}
IList <DoorWindowOpeningInfo> doorWindowOpeningInfoList = new List <DoorWindowOpeningInfo>();
Element doorElem = doc.GetElement(InsertId);
string openingGUID = GUIDUtil.CreateSubElementGUID(doorElem, (int)IFCDoorSubElements.DoorOpening);
if (ExtrusionData != null)
{
foreach (IFCExtrusionData extrusionData in ExtrusionData)
{
if (doorWindowOpeningInfoList.Count > 0)
{
openingGUID = GUIDUtil.CreateGUID();
}
DoorWindowOpeningInfo openingInfo = DoorWindowUtil.CreateOpeningForDoorWindow(exporterIFC, doc, hostObjHnd,
HostId, InsertId, openingGUID, extrusionData.GetLoops()[0], extrusionData.ExtrusionDirection,
UnitUtil.UnscaleLength(extrusionData.ScaledExtrusionLength), PosHingeSide, IsRecess);
if (openingInfo != null && !IFCAnyHandleUtil.IsNullOrHasNoValue(openingInfo.OpeningHnd))
{
doorWindowOpeningInfoList.Add(openingInfo);
}
}
}
if (Solids != null)
{
foreach (Solid solid in Solids)
{
if (doorWindowOpeningInfoList.Count > 0)
{
openingGUID = GUIDUtil.CreateGUID();
}
DoorWindowOpeningInfo openingInfo = DoorWindowUtil.CreateOpeningForDoorWindow(exporterIFC, doc, hostObjHnd,
HostId, InsertId, openingGUID, solid, ScaledHostWidth, IsRecess);
if (openingInfo != null && !IFCAnyHandleUtil.IsNullOrHasNoValue(openingInfo.OpeningHnd))
{
doorWindowOpeningInfoList.Add(openingInfo);
}
}
}
if (IFCAnyHandleUtil.IsNullOrHasNoValue(DoorWindowHnd))
{
return;
}
foreach (DoorWindowOpeningInfo openingInfo in doorWindowOpeningInfoList)
{
IFCFile file = exporterIFC.GetFile();
IFCAnyHandle ownerHistory = exporterIFC.GetOwnerHistoryHandle();
IFCAnyHandle openingHnd = openingInfo.OpeningHnd;
double openingHeight = openingInfo.OpeningHeight;
double openingWidth = openingInfo.OpeningWidth;
// update original door.
string relGUID = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelFillsElement(file, relGUID, ownerHistory, null, null, openingHnd, DoorWindowHnd);
IFCAnyHandle openingPlacement = IFCAnyHandleUtil.GetObjectPlacement(openingHnd);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(openingPlacement))
{
IFCAnyHandle origObjectPlacement = IFCAnyHandleUtil.GetObjectPlacement(DoorWindowHnd);
Transform relTransform = ExporterIFCUtils.GetRelativeLocalPlacementOffsetTransform(origObjectPlacement, openingPlacement);
IFCAnyHandle newLocalPlacement = ExporterUtil.CreateLocalPlacement(file, openingPlacement,
relTransform.Origin, relTransform.BasisZ, relTransform.BasisX);
IFCAnyHandleUtil.SetAttribute(DoorWindowHnd, "ObjectPlacement", newLocalPlacement);
origObjectPlacement.Delete();
}
if (IFCAnyHandleUtil.IsTypeOf(DoorWindowHnd, IFCEntityType.IfcDoor) ||
IFCAnyHandleUtil.IsTypeOf(DoorWindowHnd, IFCEntityType.IfcWindow))
{
if (openingHeight > MathUtil.Eps())
{
IFCAnyHandleUtil.SetAttribute(DoorWindowHnd, "OverallHeight", UnitUtil.ScaleLength(openingHeight));
}
if (openingWidth > MathUtil.Eps())
{
IFCAnyHandleUtil.SetAttribute(DoorWindowHnd, "OverallWidth", UnitUtil.ScaleLength(openingWidth));
}
}
}
}