surface_1 = geompy.MakePrismVecH( spline_1, vz, 70.0 )
geompy.addToStudy(surface_1, "surface_1")
# get all nodes which lie on the surface \a surface_1
surface_1 = geompy.MakePrismVecH( spline_1, vz, 70.0 )
geompy.addToStudy(surface_1, "surface_1")
# get all nodes which lie on the surface \a surface_1