hden 3 constant temperature 1e4 K vary grid 3 5 0.2 log # # incident radiation field laser 3 ionization -2 # # only do H and O, but set the ionization of O init "honly.ini" element oxygen on element oxygen ionization -9 -9 0 # stop zone 1 set dr 0 # save grid "tempO3.grd" no hash save line list ratio "tempO3.lin" "tempO3.dat" no hash