sfcfftexp2test (2.0-git)
2-D FFT-based zero-offset exploding reflector modeling/migration (outputs time volume, not just last image; can be used to generate movie)

        sfcfftexp2test < data.rsf > image.rsf left=left.rsf right=right.rsf mig=n pad1=1 nz= dz= nt= dt=

float dt=
time sampling (if modeling)
float dz=
depth sampling (if migration)
file left=
auxiliary input file name
bool mig=n [y/n]
if n, modeling; if y, migration
int nt=
time samples (if modeling)
int nz=
depth samples (if migration)
int pad1=1
padding factor on the first axis
file right=
auxiliary input file name