Program sfdix | Convert RMS to interval velocity using LS and shaping regularization. 
[SYNOPSIS]
sfdix < vrms.rsf > vint.rsf weight=weight.rsf vrmsout=vout.rsf niter=100 rect#=(1,1,...)
[PARAMETERS]
int     | niter | =100 |   | 	maximum number of iterations 
string  | rect# | =(1,1,...) |   | 	smoothing radius on #-th axis 
string  | vrmsout | = |   | 	optionally, output predicted vrms (auxiliary output file name)
string  | weight | = |   | 	auxiliary input file name
[DIRECTORY]
user/fomels
