This class is also useful for users that want to map the 3D unstructured mesh cell ids level by level along an axis.
-The class that incarnates this concept in MEDCoupling is : \ref ParaMEDMEM::MEDCouplingExtrudedMesh.
+The class that incarnates this concept in MEDCoupling is : \ref MEDCoupling::MEDCouplingMappedExtrudedMesh.
*/