Program sfconstpermh1 | Constant-velocity prestack exploding reflector in offset. 
[SYNOPSIS]
sfconstpermh1 < data.rsf > image.rsf mig=n snap=0 nz= dz= nt= dt= nh= dh= v=
[PARAMETERS]
float   | dh | = |   | 	offset sampling (if modeling) 
float   | dt | = |   | 	time sampling (if modeling) 
float   | dz | = |   | 	depth sampling (if migration) 
bool    | mig | =n |  [y/n] | 	if n, modeling; if y, migration 
int     | nh | = |   | 	offset samples (if modeling) 
int     | nt | = |   | 	time samples (if modeling) 
int     | nz | = |   | 	depth samples (if migration) 
int     | snap | =0 |   | 	interval for snapshots 
float   | v | = |   | 	velocity 
[DIRECTORY]
user/fomels
