aHltFilter->RegisterCellsWithType(VTK_QUADRATIC_HEXAHEDRON);
aHltFilter->RegisterCellsWithType(VTK_TRIQUADRATIC_HEXAHEDRON);
aHltFilter->RegisterCellsWithType(VTK_QUADRATIC_WEDGE);
aHltFilter->RegisterCellsWithType(VTK_QUADRATIC_HEXAHEDRON);
aHltFilter->RegisterCellsWithType(VTK_TRIQUADRATIC_HEXAHEDRON);
aHltFilter->RegisterCellsWithType(VTK_QUADRATIC_WEDGE);