+ /// Calculate symmetry with respect to a point.
+ std::shared_ptr<GeomAPI_Trsf> symmetryByPoint();
+
+ /// Calculate symmetry with respect to an axis.
+ std::shared_ptr<GeomAPI_Trsf> symmetryByAxis();
+
+ /// Calculate symmetry with respect to a plane.
+ std::shared_ptr<GeomAPI_Trsf> symmetryByPlane();