z coordinates of the nodes
Definition at line 32 of file grid_hierarchy.cc.
References k.
Referenced by pism::stressbalance::Blatter::compute_jacobian(), pism::stressbalance::Blatter::compute_residual(), pism::stressbalance::Blatter::init_ice_hardness(), and pism::stressbalance::Blatter::residual_dirichlet().