ftdata                      : name of time data file
n                           : plot wavelet only?
model1                      : name of the model file
4                           :# interfaces in the model
n                           : plot model only?
n                           : plot rays?
cshot                       : name of output files
y                           : shot record?
n                           : listing?
-89.0        89.0           : min and max takeoff angles
1.0                         : takeoff angle increment
10.0                        : max angle between rays
3500.0      500.0           : x, z coords of shot
1                           : number of shots
0.0           0.0           : x, z increments in shot coords.
0.0           0.0           : x, z coords of first receiver
100                         : # receivers per shot
100.0                       : # receiver spacing
0.0                         : # receiver move-up between shots
4000.0  6000.0  9000.0
10000.0 13000.0             : velocities
4                           : # primary reflections
0                           : specific reflectors
2                           : # extra events
2                           : # intersections (next event)
0 1
4                           : # intersections (next event)
0 1 0 1
