protected override void Process(IFCAnyHandle ifcVertexPoint)
{
base.Process(ifcVertexPoint);
IFCAnyHandle vertexGeometry = IFCImportHandleUtil.GetRequiredInstanceAttribute(ifcVertexPoint, "VertexGeometry", true);
XYZ unScaledVertexGeometry = IFCPoint.ProcessIFCPoint(vertexGeometry);
VertexGeometry = IFCUnitUtil.ScaleLength(unScaledVertexGeometry);
}
/// <summary>
/// Processes an IfcRepresentationItem entity handle.
/// </summary>
/// <param name="ifcRepresentationItem">The IfcRepresentationItem handle.</param>
/// <returns>The IFCRepresentationItem object.</returns>
public static IFCRepresentationItem ProcessIFCRepresentationItem(IFCAnyHandle ifcRepresentationItem)
{
if (IFCAnyHandleUtil.IsNullOrHasNoValue(ifcRepresentationItem))
{
Importer.TheLog.LogNullError(IFCEntityType.IfcRepresentationItem);
return(null);
}
if (IFCAnyHandleUtil.IsValidSubTypeOf(ifcRepresentationItem, IFCEntityType.IfcMappedItem))
{
return(IFCMappedItem.ProcessIFCMappedItem(ifcRepresentationItem));
}
if (IFCImportFile.TheFile.SchemaVersionAtLeast(IFCSchemaVersion.IFC2x2) && IFCAnyHandleUtil.IsSubTypeOf(ifcRepresentationItem, IFCEntityType.IfcStyledItem))
{
return(IFCStyledItem.ProcessIFCStyledItem(ifcRepresentationItem));
}
if (IFCAnyHandleUtil.IsSubTypeOf(ifcRepresentationItem, IFCEntityType.IfcTopologicalRepresentationItem))
{
return(IFCTopologicalRepresentationItem.ProcessIFCTopologicalRepresentationItem(ifcRepresentationItem));
}
// TODO: Move everything below to IFCGeometricRepresentationItem, once it is created.
if (IFCAnyHandleUtil.IsValidSubTypeOf(ifcRepresentationItem, IFCEntityType.IfcBooleanResult))
{
return(IFCBooleanResult.ProcessIFCBooleanResult(ifcRepresentationItem));
}
if (IFCAnyHandleUtil.IsValidSubTypeOf(ifcRepresentationItem, IFCEntityType.IfcCurve))
{
return(IFCCurve.ProcessIFCCurve(ifcRepresentationItem));
}
if (IFCAnyHandleUtil.IsValidSubTypeOf(ifcRepresentationItem, IFCEntityType.IfcFaceBasedSurfaceModel))
{
return(IFCFaceBasedSurfaceModel.ProcessIFCFaceBasedSurfaceModel(ifcRepresentationItem));
}
if (IFCAnyHandleUtil.IsValidSubTypeOf(ifcRepresentationItem, IFCEntityType.IfcGeometricSet))
{
return(IFCGeometricSet.ProcessIFCGeometricSet(ifcRepresentationItem));
}
if (IFCAnyHandleUtil.IsValidSubTypeOf(ifcRepresentationItem, IFCEntityType.IfcPoint))
{
return(IFCPoint.ProcessIFCPoint(ifcRepresentationItem));
}
if (IFCAnyHandleUtil.IsValidSubTypeOf(ifcRepresentationItem, IFCEntityType.IfcShellBasedSurfaceModel))
{
return(IFCShellBasedSurfaceModel.ProcessIFCShellBasedSurfaceModel(ifcRepresentationItem));
}
if (IFCAnyHandleUtil.IsValidSubTypeOf(ifcRepresentationItem, IFCEntityType.IfcSolidModel))
{
return(IFCSolidModel.ProcessIFCSolidModel(ifcRepresentationItem));
}
// TODO: Move the items below to IFCGeometricRepresentationItem->IFCTessellatedItem->IfcTessellatedFaceSet.
if (IFCImportFile.TheFile.SchemaVersionAtLeast(IFCSchemaVersion.IFC4Obsolete) && IFCAnyHandleUtil.IsSubTypeOf(ifcRepresentationItem, IFCEntityType.IfcTriangulatedFaceSet))
{
return(IFCTriangulatedFaceSet.ProcessIFCTriangulatedFaceSet(ifcRepresentationItem));
}
// There is no way to actually determine an IFC4Add2 file vs. a "vanilla" IFC4 file, which is
// obsolete. The try/catch here allows us to read these obsolete files without crashing.
try
{
if (IFCImportFile.TheFile.SchemaVersionAtLeast(IFCSchemaVersion.IFC4) && IFCAnyHandleUtil.IsSubTypeOf(ifcRepresentationItem, IFCEntityType.IfcPolygonalFaceSet))
{
return(IFCPolygonalFaceSet.ProcessIFCPolygonalFaceSet(ifcRepresentationItem));
}
}
catch (Exception ex)
{
// Once we fail once, downgrade the schema so we don't try again.
if (IFCImportFile.HasUndefinedAttribute(ex))
{
IFCImportFile.TheFile.DowngradeIFC4SchemaTo(IFCSchemaVersion.IFC4Add1Obsolete);
}
else
{
throw ex;
}
}
Importer.TheLog.LogUnhandledSubTypeError(ifcRepresentationItem, IFCEntityType.IfcRepresentationItem, true);
return(null);
}