-#geomObj_1 = geompy.CreateGroup(HYDRO_etude, geompy.ShapeType["EDGE"])
-#geompy.UnionIDs(geomObj_1, [7, 9])
-#geomObj_3 = geompy.CreateGroup(HYDRO_etude, geompy.ShapeType["EDGE"])
-#geompy.UnionIDs(geomObj_3, [4, 11, 17, 24, 26, 28, 14, 19, 20, 22, 31, 39, 41, 33, 35, 37])