- TopoDS_Compound aResultCompound;
- aBuilder.MakeCompound(aResultCompound);
- for(TopoDS_Iterator anIt(aResult); anIt.More(); anIt.Next()) {
- const TopoDS_Shape aSubShape = anIt.Value();
- if(aSubShape.ShapeType() == TopAbs_SHELL) {
- aBuilder.Add(aResultCompound, aSubShape);
- } else if (aSubShape.ShapeType() == TopAbs_FACE) {
- TopoDS_Shell aShell;
- aBuilder.MakeShell(aShell);
- aBuilder.Add(aShell, aSubShape);
- aBuilder.Add(aResultCompound, aShell);
+ if(aResult.ShapeType() == TopAbs_COMPOUND) {
+ TopoDS_Compound aResultCompound;
+ aBuilder.MakeCompound(aResultCompound);
+ for(TopoDS_Iterator anIt(aResult); anIt.More(); anIt.Next()) {
+ const TopoDS_Shape aSubShape = anIt.Value();
+ if(aSubShape.ShapeType() == TopAbs_SHELL) {
+ aBuilder.Add(aResultCompound, aSubShape);
+ } else if (aSubShape.ShapeType() == TopAbs_FACE) {
+ TopoDS_Shell aShell;
+ aBuilder.MakeShell(aShell);
+ aBuilder.Add(aShell, aSubShape);
+ aBuilder.Add(aResultCompound, aShell);
+ }