const Standard_Integer anInitNbFaces = GetNbShapes(aShape, TopAbs_FACE);
const Standard_Integer anInitNbCanonical = GetNbCanonicalFaces(aShape);
const Standard_Integer anInitNbFaces = GetNbShapes(aShape, TopAbs_FACE);
const Standard_Integer anInitNbCanonical = GetNbCanonicalFaces(aShape);