Program sfcorrft | Trace-by-trace or data-by-trace correlation using Fourier transform. 
[SYNOPSIS]
sfcorrft < in.rsf > corr.rsf other=other.rsf axis=1
[COMMENTS]
other can be a dataset with the same dimensions as in (except for axis) or a single trace.
If other is not specified, auto-correlation is assumed.
[PARAMETERS]
int     | axis | =1 |   | 	across which axis to correlate.
string  | other | = |   | 	auxiliary input file name
[DIRECTORY]
user/saragiotis
