# material index 1 for [N ]
material 1 -d0.0,0.0,1.0 # default color for [N].
# material index 2 for [C ]
material 2 -d0.0,1.0,0.0 # default color for [C].
# material index 3 for [O ]
material 3 -d1.0,0.0,0.0 # default color for [O].
# material index 4 for [H ]
material 4 -d1.0,1.0,1.0 # default color for [H].
pfile tropa.atm
dtype balls
dchannel 2
balls -r -1 -c 0
lightning on
