NCollection_UBTreeFiller <Standard_Integer, Bnd_Box2d> aTreeFiller (aTree);
NCollection_IndexedDataMap<TopoDS_Face, BRepTopAdaptor_FClass2d*> aMapF2Class2d;
NCollection_UBTreeFiller <Standard_Integer, Bnd_Box2d> aTreeFiller (aTree);
NCollection_IndexedDataMap<TopoDS_Face, BRepTopAdaptor_FClass2d*> aMapF2Class2d;