+ /// Checks is the angle plane has inverted direction of normal to the plane of current sketcher
+ /// Returns true if crossed product is negative.
+ /// \return bolean value
+ bool isAnglePlaneReversedToSketchPlane();
+
+ /// Calculates a distance between center of the angle presentation and the value of flyout point
+ /// attribute. It should be used after setting measured geometry for the angle presentation as
+ /// it uses calculated center/first/second point coordinates
+ /// \return real value
+ double calculateDistanceToFlyoutPoint();
+
+ static bool readyToDisplay(ModelAPI_Feature* theConstraint,
+ const std::shared_ptr<GeomAPI_Ax3>& thePlane,
+ gp_Pnt& theFirstPoint, gp_Pnt& theSecondPoint,
+ gp_Pnt& theCenterPoint);
+