/// <summary>
/// Exports spatial elements, including rooms, areas and spaces. 2nd level space boundaries.
/// </summary>
/// <param name="ifcExporter">The Exporter object.</param>
/// <param name="exporterIFC"> The ExporterIFC object.</param>
/// <param name="document">The Revit document.</param>
/// <returns>The set of exported spaces. This is used to try to export using the standard routine for spaces that failed.</returns>
public static ISet<ElementId> ExportSpatialElement2ndLevel(Revit.IFC.Export.Exporter.Exporter ifcExporter, ExporterIFC exporterIFC, Document document)
{
ISet<ElementId> exportedSpaceIds = new HashSet<ElementId>();
using (SubTransaction st = new SubTransaction(document))
{
st.Start();
EnergyAnalysisDetailModel model = null;
try
{
View filterView = ExporterCacheManager.ExportOptionsCache.FilterViewForExport;
IFCFile file = exporterIFC.GetFile();
using (IFCTransaction transaction = new IFCTransaction(file))
{
EnergyAnalysisDetailModelOptions options = new EnergyAnalysisDetailModelOptions();
options.Tier = EnergyAnalysisDetailModelTier.SecondLevelBoundaries; //2nd level space boundaries
options.SimplifyCurtainSystems = true;
try
{
model = EnergyAnalysisDetailModel.Create(document, options);
}
catch (System.Exception)
{
return exportedSpaceIds;
}
IList<EnergyAnalysisSpace> spaces = model.GetAnalyticalSpaces();
foreach (EnergyAnalysisSpace space in spaces)
{
SpatialElement spatialElement = document.GetElement(space.CADObjectUniqueId) as SpatialElement;
if (spatialElement == null)
continue;
//current view only
if (!ElementFilteringUtil.IsElementVisible(spatialElement))
continue;
if (!ElementFilteringUtil.ShouldElementBeExported(exporterIFC, spatialElement, false))
continue;
if (ElementFilteringUtil.IsRoomInInvalidPhase(spatialElement))
continue;
Options geomOptions = GeometryUtil.GetIFCExportGeometryOptions();
View ownerView = spatialElement.Document.GetElement(spatialElement.OwnerViewId) as View;
if (ownerView != null)
geomOptions.View = ownerView;
GeometryElement geomElem = spatialElement.get_Geometry(geomOptions);
try
{
exporterIFC.PushExportState(spatialElement, geomElem);
using (ProductWrapper productWrapper = ProductWrapper.Create(exporterIFC, true))
{
using (PlacementSetter setter = PlacementSetter.Create(exporterIFC, spatialElement))
{
// We won't use the SpatialElementGeometryResults, as these are 1st level boundaries, not 2nd level.
SpatialElementGeometryResults results = null;
if (!CreateIFCSpace(exporterIFC, spatialElement, productWrapper, setter, out results))
continue;
exportedSpaceIds.Add(spatialElement.Id);
XYZ offset = GetSpaceBoundaryOffset(setter);
//get boundary information from surfaces
IList<EnergyAnalysisSurface> surfaces = space.GetAnalyticalSurfaces();
foreach (EnergyAnalysisSurface surface in surfaces)
{
Element boundingElement = GetBoundaryElement(document, surface.CADLinkUniqueId, surface.CADObjectUniqueId);
IList<EnergyAnalysisOpening> openings = surface.GetAnalyticalOpenings();
IFCAnyHandle connectionGeometry = CreateConnectionSurfaceGeometry(exporterIFC, surface, openings, offset);
CreateIFCSpaceBoundary(file, exporterIFC, spatialElement, boundingElement, setter.LevelId, connectionGeometry);
// try to add doors and windows for host objects if appropriate.
if (boundingElement is HostObject)
{
foreach (EnergyAnalysisOpening opening in openings)
{
Element openingBoundingElem = GetBoundaryElement(document, opening.CADLinkUniqueId, opening.CADObjectUniqueId);
IFCAnyHandle openingConnectionGeom = CreateConnectionSurfaceGeometry(exporterIFC, opening, offset);
CreateIFCSpaceBoundary(file, exporterIFC, spatialElement, openingBoundingElem, setter.LevelId, openingConnectionGeom);
}
}
}
CreateZoneInfos(exporterIFC, file, spatialElement, productWrapper);
CreateSpaceOccupantInfo(exporterIFC, file, spatialElement, productWrapper);
ExporterUtil.ExportRelatedProperties(exporterIFC, spatialElement, productWrapper);
}
}
}
catch (Exception ex)
{
ifcExporter.HandleUnexpectedException(ex, exporterIFC, spatialElement);
}
finally
{
exporterIFC.PopExportState();
}
}
transaction.Commit();
}
}
finally
{
if (model != null)
EnergyAnalysisDetailModel.Destroy(model);
}
st.RollBack();
return exportedSpaceIds;
}
}
