/// <summary>
/// Provides a unified interface to get the curtain grids associated with an element.
/// </summary>
/// <param name="element">The host element.</param>
/// <returns>A CurtainGridSet with 0 or more CurtainGrids, or null if invalid.</returns>
public static CurtainGridSet GetCurtainGridSet(Element element)
{
CurtainGridSet curtainGridSet = null;
if (element is Wall)
{
Wall wall = element as Wall;
if (!CurtainSystemExporter.IsLegacyCurtainWall(wall))
{
CurtainGrid curtainGrid = wall.CurtainGrid;
curtainGridSet = new CurtainGridSet();
if (curtainGrid != null)
{
curtainGridSet.Insert(curtainGrid);
}
}
}
else if (element is FootPrintRoof)
{
FootPrintRoof footPrintRoof = element as FootPrintRoof;
curtainGridSet = footPrintRoof.CurtainGrids;
}
else if (element is ExtrusionRoof)
{
ExtrusionRoof extrusionRoof = element as ExtrusionRoof;
curtainGridSet = extrusionRoof.CurtainGrids;
}
else if (element is CurtainSystem)
{
CurtainSystem curtainSystem = element as CurtainSystem;
curtainGridSet = curtainSystem.CurtainGrids;
}
return(curtainGridSet);
}
/// <summary>
/// Exports a curtain wall to IFC curtain wall.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="hostElement">The host object element to be exported.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportWall(ExporterIFC exporterIFC, Wall hostElement, ProductWrapper productWrapper)
{
// Don't export the Curtain Wall itself, which has no useful geometry; instead export all of the GReps of the
// mullions and panels.
CurtainGridSet gridSet = CurtainSystemExporter.GetCurtainGridSet(hostElement);
if (gridSet == null)
{
ExportLegacyCurtainElement(exporterIFC, hostElement, productWrapper);
return;
}
if (gridSet.Size == 0)
{
return;
}
HashSet <ElementId> allSubElements = new HashSet <ElementId>();
foreach (CurtainGrid grid in gridSet)
{
allSubElements.UnionWith(GetVisiblePanelsForGrid(grid));
allSubElements.UnionWith(grid.GetMullionIds());
}
ExportBase(exporterIFC, allSubElements, hostElement, productWrapper);
}
/// <summary>
/// Exports a roof to IfcRoof.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="roof">The roof element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The IFCProductWrapper.</param>
public static void Export(ExporterIFC exporterIFC, RoofBase roof, GeometryElement geometryElement, IFCProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
// export parts or not
bool exportParts = PartExporter.CanExportParts(roof);
bool exportAsExtrusionCurtainRoof = false;
bool exportAsFootprintCurtainRoof = false;
if (roof is ExtrusionRoof)
{
ExtrusionRoof extrusionRoof = roof as ExtrusionRoof;
exportAsExtrusionCurtainRoof = ((extrusionRoof.CurtainGrids != null) && (extrusionRoof.CurtainGrids.Size != 0));
}
else if (roof is FootPrintRoof)
{
FootPrintRoof footprintRoof = roof as FootPrintRoof;
exportAsFootprintCurtainRoof = ((footprintRoof.CurtainGrids != null) && (footprintRoof.CurtainGrids.Size != 0));
}
if (exportParts)
{
if (!PartExporter.CanExportElementInPartExport(roof, roof.Level.Id, false))
{
return;
}
ExportRoofAsParts(exporterIFC, roof, geometryElement, productWrapper); // Right now, only flat roof could have parts.
}
else if (exportAsExtrusionCurtainRoof)
{
CurtainSystemExporter.ExportExtrusionRoof(exporterIFC, roof as ExtrusionRoof, productWrapper);
}
else if (exportAsFootprintCurtainRoof)
{
CurtainSystemExporter.ExportFootPrintRoof(exporterIFC, roof as FootPrintRoof, productWrapper);
}
else
{
string ifcEnumType = CategoryUtil.GetIFCEnumTypeName(exporterIFC, roof);
IFCAnyHandle roofHnd = ExporterIFCUtils.ExportRoofAsContainer(exporterIFC, ifcEnumType, roof,
geometryElement, productWrapper);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(roofHnd))
{
ExportRoof(exporterIFC, ifcEnumType, roof, geometryElement, productWrapper);
}
PropertyUtil.CreateInternalRevitPropertySets(exporterIFC, roof, productWrapper);
// call for host objects; curtain roofs excused from call (no material information)
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, roof, productWrapper.GetAnElement(),
geometryElement, productWrapper, ElementId.InvalidElementId, IFCLayerSetDirection.Axis3);
}
tr.Commit();
}
}
/// <summary>
/// Exports a roof to IfcRoof.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="roof">The roof element.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void Export(ExporterIFC exporterIFC, RoofBase roof, GeometryElement geometryElement, ProductWrapper productWrapper)
{
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
// export parts or not
bool exportParts = PartExporter.CanExportParts(roof);
bool exportAsCurtainRoof = CurtainSystemExporter.IsCurtainSystem(roof);
if (exportParts)
{
if (!PartExporter.CanExportElementInPartExport(roof, roof.Level.Id, false))
{
return;
}
ExportRoofAsParts(exporterIFC, roof, geometryElement, productWrapper); // Right now, only flat roof could have parts.
}
else if (exportAsCurtainRoof)
{
CurtainSystemExporter.ExportCurtainRoof(exporterIFC, roof, productWrapper);
}
else
{
string ifcEnumType = ExporterUtil.GetIFCTypeFromExportTable(exporterIFC, roof);
IFCAnyHandle roofHnd = ExporterIFCUtils.ExportRoofAsContainer(exporterIFC, ifcEnumType, roof,
geometryElement, productWrapper.ToNative());
if (IFCAnyHandleUtil.IsNullOrHasNoValue(roofHnd))
{
ExportRoof(exporterIFC, ifcEnumType, roof, geometryElement, productWrapper);
}
// call for host objects; curtain roofs excused from call (no material information)
HostObjectExporter.ExportHostObjectMaterials(exporterIFC, roof, productWrapper.GetAnElement(),
geometryElement, productWrapper, ElementId.InvalidElementId, IFCLayerSetDirection.Axis3, null);
}
tr.Commit();
}
}
