+ HYDRODATA_EXPORT virtual void SetTopShape( const TopoDS_Shape& theShape );
+
+ /**
+ * Returns the top shape of the object.
+ */
+ HYDRODATA_EXPORT virtual TopoDS_Shape GetTopShape() const = 0;
+
+ /**
+ * Sets the 3d shape of the object.
+ */
+ HYDRODATA_EXPORT virtual void SetShape3D( const TopoDS_Shape& theShape );
+
+ /**
+ * Returns the 3d shape of the object.
+ */
+ HYDRODATA_EXPORT virtual TopoDS_Shape GetShape3D() const = 0;
+
+
+ /**
+ * Returns reference object which represent the 3D shape of object.
+ */
+ HYDRODATA_EXPORT virtual Handle(HYDROData_DummyObject3D) GetObject3D() const;
+
+
+ /**
+ * Returns sequence of object groups.
+ */
+ HYDRODATA_EXPORT virtual HYDROData_SequenceOfObjects GetGroups() const;
+
+ /**
+ * Returns group data model object by it id.
+ */
+ HYDRODATA_EXPORT virtual Handle(HYDROData_ShapesGroup) GetGroup( const int theGroupId ) const;