/// <summary>
/// Exports element as Wall.
/// </summary>
/// <param name="exporterIFC">The ExporterIFC object.</param>
/// <param name="element">The element.</param>
/// <param name="connectedWalls">Information about walls joined to this wall.</param>
/// <param name="geometryElement">The geometry element.</param>
/// <param name="productWrapper">The ProductWrapper.</param>
public static void ExportWall(ExporterIFC exporterIFC, Element element, IList<IList<IFCConnectedWallData>> connectedWalls, GeometryElement geometryElement,
ProductWrapper productWrapper)
{
IList<IFCAnyHandle> createdWalls = new List<IFCAnyHandle>();
// We will not split walls and columns if the assemblyId is set, as we would like to keep the original wall
// associated with the assembly, on the level of the assembly.
bool splitWall = ExporterCacheManager.ExportOptionsCache.WallAndColumnSplitting && (element.AssemblyInstanceId == ElementId.InvalidElementId);
if (splitWall)
{
Wall wallElement = element as Wall;
IList<ElementId> levels = new List<ElementId>();
IList<IFCRange> ranges = new List<IFCRange>();
if (wallElement != null && geometryElement != null)
{
LevelUtil.CreateSplitLevelRangesForElement(exporterIFC, IFCExportType.IfcWall, element, out levels, out ranges);
}
int numPartsToExport = ranges.Count;
if (numPartsToExport == 0)
{
IFCAnyHandle wallElemHnd = ExportWallBase(exporterIFC, element, connectedWalls, geometryElement, productWrapper, ElementId.InvalidElementId, null);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(wallElemHnd))
createdWalls.Add(wallElemHnd);
}
else
{
using (ExporterStateManager.RangeIndexSetter rangeSetter = new ExporterStateManager.RangeIndexSetter())
{
for (int ii = 0; ii < numPartsToExport; ii++)
{
rangeSetter.IncreaseRangeIndex();
IFCAnyHandle wallElemHnd = ExportWallBase(exporterIFC, element, connectedWalls, geometryElement, productWrapper, levels[ii], ranges[ii]);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(wallElemHnd))
createdWalls.Add(wallElemHnd);
}
}
}
if (ExporterCacheManager.DummyHostCache.HasRegistered(element.Id))
{
using (ExporterStateManager.RangeIndexSetter rangeSetter = new ExporterStateManager.RangeIndexSetter())
{
List<KeyValuePair<ElementId, IFCRange>> levelRangeList = ExporterCacheManager.DummyHostCache.Find(element.Id);
foreach (KeyValuePair<ElementId, IFCRange> levelRange in levelRangeList)
{
rangeSetter.IncreaseRangeIndex();
IFCAnyHandle wallElemHnd = ExportDummyWall(exporterIFC, element, geometryElement, productWrapper, levelRange.Key, levelRange.Value);
if (!IFCAnyHandleUtil.IsNullOrHasNoValue(wallElemHnd))
createdWalls.Add(wallElemHnd);
}
}
}
}
if (createdWalls.Count == 0)
ExportWallBase(exporterIFC, element, connectedWalls, geometryElement, productWrapper, ElementId.InvalidElementId, null);
}
/// <summary>
/// Exports a family instance to corresponding IFC object.
/// </summary>
/// <param name="exporterIFC">
/// The ExporterIFC object.
/// </param>
/// <param name="familyInstance">
/// The family instance to be exported.
/// </param>
/// <param name="geometryElement">
/// The geometry element.
/// </param>
/// <param name="productWrapper">
/// The ProductWrapper.
/// </param>
public static void ExportFamilyInstanceElement(ExporterIFC exporterIFC,
FamilyInstance familyInstance, GeometryElement geometryElement, ProductWrapper productWrapper)
{
// Don't export family if it is invisible, or has a null geometry.
if (familyInstance.Invisible || geometryElement == null)
return;
// Don't export family instance if it has a curtain grid host; the host will be in charge of exporting.
Element host = familyInstance.Host;
if (CurtainSystemExporter.IsCurtainSystem(host))
return;
FamilySymbol familySymbol = familyInstance.Symbol;
Family family = familySymbol.Family;
if (family == null)
return;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction tr = new IFCTransaction(file))
{
string ifcEnumType;
IFCExportType exportType = ExporterUtil.GetExportType(exporterIFC, familyInstance, out ifcEnumType);
if (exportType == IFCExportType.DontExport)
return;
if (ExportFamilyInstanceAsStandardElement(exporterIFC, familyInstance, geometryElement, exportType, ifcEnumType, productWrapper))
{
tr.Commit();
return;
}
// If we are exporting a column, we may need to split it into parts by level. Create a list of ranges.
IList<ElementId> levels = new List<ElementId>();
IList<IFCRange> ranges = new List<IFCRange>();
// We will not split walls and columns if the assemblyId is set, as we would like to keep the original wall
// associated with the assembly, on the level of the assembly.
bool splitColumn = (exportType == IFCExportType.IfcColumnType) && (ExporterCacheManager.ExportOptionsCache.WallAndColumnSplitting) &&
(familyInstance.AssemblyInstanceId == ElementId.InvalidElementId);
if (splitColumn)
{
LevelUtil.CreateSplitLevelRangesForElement(exporterIFC, exportType, familyInstance, out levels, out ranges);
}
int numPartsToExport = ranges.Count;
if (numPartsToExport == 0)
{
ExportFamilyInstanceAsMappedItem(exporterIFC, familyInstance, exportType, ifcEnumType, productWrapper,
ElementId.InvalidElementId, null, null);
}
else
{
using (ExporterStateManager.RangeIndexSetter rangeSetter = new ExporterStateManager.RangeIndexSetter())
{
for (int ii = 0; ii < numPartsToExport; ii++)
{
rangeSetter.IncreaseRangeIndex();
ExportFamilyInstanceAsMappedItem(exporterIFC, familyInstance, exportType, ifcEnumType, productWrapper,
levels[ii], ranges[ii], null);
}
}
if (ExporterCacheManager.DummyHostCache.HasRegistered(familyInstance.Id))
{
using (ExporterStateManager.RangeIndexSetter rangeSetter = new ExporterStateManager.RangeIndexSetter())
{
List<KeyValuePair<ElementId, IFCRange>> levelRangeList = ExporterCacheManager.DummyHostCache.Find(familyInstance.Id);
foreach (KeyValuePair<ElementId, IFCRange> levelRange in levelRangeList)
{
rangeSetter.IncreaseRangeIndex();
ExportFamilyInstanceAsMappedItem(exporterIFC, familyInstance, exportType, ifcEnumType, productWrapper, levelRange.Key, levelRange.Value, null);
}
}
}
}
tr.Commit();
}
}