-/// Obtain the point object from specified constraint parameter
-std::shared_ptr<GeomDataAPI_Point2D> getFeaturePoint(DataPtr theData,
- const std::string& theAttribute);
-
-std::shared_ptr<SketchPlugin_Line> getFeatureLine(DataPtr theData,
- const std::string& theAttribute);
-
-std::shared_ptr<GeomAPI_Pnt2d> getProjectionPoint(
- const std::shared_ptr<SketchPlugin_Line>& theLine,
- const std::shared_ptr<GeomAPI_Pnt2d>& thePoint);