+ HYDRODATA_EXPORT virtual void RemoveSplitGroups();
+
+ HYDRODATA_EXPORT virtual bool AddInterPoly( const Handle(HYDROData_PolylineXY)& theInterPolyline );
+
+ HYDRODATA_EXPORT virtual void RemoveInterPolyObject( const Handle(HYDROData_PolylineXY)& theInterPolyline );
+
+ HYDRODATA_EXPORT virtual HYDROData_SequenceOfObjects GetInterPolyObjects() const;