GuessSize[VTK_QUADRATIC_HEXAHEDRON] = nbQuadHexa;
GuessSize[VTK_TRIQUADRATIC_HEXAHEDRON] = nbQuadHexa;
GuessSize[VTK_HEXAGONAL_PRISM] = nbHexPrism;
GuessSize[VTK_QUADRATIC_HEXAHEDRON] = nbQuadHexa;
GuessSize[VTK_TRIQUADRATIC_HEXAHEDRON] = nbQuadHexa;
GuessSize[VTK_HEXAGONAL_PRISM] = nbHexPrism;