/// <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--)
{
Transform extrusionTrf = Transform.Identity;
IFCAnyHandle extrusionHandle =
ExtrusionExporter.CreateExtrudedSolidFromExtrusionData(exporterIFC, element, info[curr], out extrusionTrf);
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 openingDescription = NamingUtil.GetDescriptionOverride(element, null);
string openingTag = NamingUtil.GetTagOverride(element);
IFCAnyHandle openingElement = IFCInstanceExporter.CreateOpeningElement(exporterIFC,
guid, ownerHistory, openingName, openingDescription, openingObjectType,
openingPlacement, openingRep, openingTag);
IFCExportInfoPair exportInfo = new IFCExportInfoPair(IFCEntityType.IfcOpeningElement);
wrapper.AddElement(null, openingElement, setter, extraParams, true, exportInfo);
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities && (extraParams != null))
{
PropertyUtil.CreateOpeningQuantities(exporterIFC, openingElement, extraParams);
}
string voidGuid = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null, elementHandle, openingElement);
}
}
}
/// <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="lcs">The local coordinate system of the base of the extrusion.</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, Transform lcs, bool isRecess,
PlacementSetter setter, ProductWrapper localWrapper)
{
IFCFile file = exporterIFC.GetFile();
IList <CurveLoop> curveLoops = extrusionData.GetLoops();
if (curveLoops.Count == 0)
{
return(null);
}
if (lcs == null)
{
// assumption: first curve loop defines the plane.
if (!curveLoops[0].HasPlane())
{
return(null);
}
lcs = GeometryUtil.CreateTransformFromPlane(curveLoops[0].GetPlane());
}
ElementId catId = CategoryUtil.GetSafeCategoryId(insertElement);
IFCAnyHandle openingProdRepHnd = RepresentationUtil.CreateExtrudedProductDefShape(exporterIFC, insertElement, catId,
curveLoops, lcs, 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));
}
string openingDescription = NamingUtil.GetDescriptionOverride(insertElement, null);
string openingTag = NamingUtil.GetTagOverride(insertElement);
IFCAnyHandle openingHnd = IFCInstanceExporter.CreateOpeningElement(exporterIFC,
openingGUID, ownerHistory, openingName, openingDescription, openingObjectType,
ExporterUtil.CreateLocalPlacement(file, hostPlacement, null), openingProdRepHnd, openingTag);
IFCExportInfoPair exportInfo = new IFCExportInfoPair(IFCEntityType.IfcOpeningElement, openingObjectType);
IFCExtrusionCreationData ecData = null;
if (ExporterCacheManager.ExportOptionsCache.ExportBaseQuantities)
{
double height, width;
ecData = new IFCExtrusionCreationData();
if (GeometryUtil.ComputeHeightWidthOfCurveLoop(curveLoops[0], lcs, 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, exportInfo);
}
string voidGuid = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null, hostObjHnd, openingHnd);
return(openingHnd);
}
/// <summary>
/// Creates an opening from a solid.
/// </summary>
/// <param name="exporterIFC">The exporter.</param>
/// <param name="hostObjHnd">The host object handle.</param>
/// <param name="hostElement">The host element.</param>
/// <param name="insertElement">The insert element.</param>
/// <param name="openingGUID">The GUID for the opening, depending on how the opening is created.</param>
/// <param name="solid">The solid.</param>
/// <param name="scaledHostWidth">The scaled host width.</param>
/// <param name="isRecess">True if it is recess.</param>
/// <param name="extrusionCreationData">The extrusion creation data.</param>
/// <param name="setter">The placement setter.</param>
/// <param name="localWrapper">The product wrapper.</param>
/// <returns>The created opening handle.</returns>
static public IFCAnyHandle CreateOpening(ExporterIFC exporterIFC, IFCAnyHandle hostObjHnd, Element hostElement, Element insertElement, string openingGUID,
Solid solid, double scaledHostWidth, bool isRecess, IFCExtrusionCreationData extrusionCreationData, PlacementSetter setter, ProductWrapper localWrapper)
{
IFCFile file = exporterIFC.GetFile();
ElementId catId = CategoryUtil.GetSafeCategoryId(insertElement);
XYZ prepToWall;
bool isLinearWall = GetOpeningDirection(hostElement, out prepToWall);
if (isLinearWall)
{
extrusionCreationData.CustomAxis = prepToWall;
extrusionCreationData.PossibleExtrusionAxes = IFCExtrusionAxes.TryCustom;
}
BodyExporterOptions bodyExporterOptions = new BodyExporterOptions(true, 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));
}
}
string openingDescription = NamingUtil.GetDescriptionOverride(insertElement, null);
string openingTag = NamingUtil.GetTagOverride(insertElement);
IFCAnyHandle openingHnd = IFCInstanceExporter.CreateOpeningElement(exporterIFC,
openingGUID, ownerHistory, openingName, openingDescription, openingObjectType,
openingPlacement, prodRep, openingTag);
IFCExportInfoPair exportInfo = new IFCExportInfoPair(IFCEntityType.IfcOpeningElement, openingObjectType);
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, false, exportInfo);
}
string voidGuid = GUIDUtil.CreateGUID();
IFCInstanceExporter.CreateRelVoidsElement(file, voidGuid, ownerHistory, null, null, hostObjHnd, openingHnd);
return(openingHnd);
}
