else if ( theNbNodes == 20 ) return VTK_QUADRATIC_HEXAHEDRON;
else if ( theNbNodes == 27 ) return VTK_TRIQUADRATIC_HEXAHEDRON;
else if ( theNbNodes == 15 ) return VTK_QUADRATIC_WEDGE;
else if ( theNbNodes == 20 ) return VTK_QUADRATIC_HEXAHEDRON;
else if ( theNbNodes == 27 ) return VTK_TRIQUADRATIC_HEXAHEDRON;
else if ( theNbNodes == 15 ) return VTK_QUADRATIC_WEDGE;