MEDCouplingUMesh *ret=_mesh2D->buildExtrudedMesh(_mesh1D,0);
const int *renum=_mesh3D_ids->getConstPointer();
ret->renumberCells(renum,false);
MEDCouplingUMesh *ret=_mesh2D->buildExtrudedMesh(_mesh1D,0);
const int *renum=_mesh3D_ids->getConstPointer();
ret->renumberCells(renum,false);