Program sfoff2abs | Transform vector-offset to absolute-offset 
[SYNOPSIS]
sfoff2abs < Fd.rsf > Fm.rsf verb=n nw=4 nh=nhx + ohx/dhx oh=0 dh=dhx
[COMMENTS]
h = sqrt(hx^2+hy^2+hz^2)
pcs 2005 

[PARAMETERS]
float   | dh | =dhx |   | 	
int     | nh | =nhx + ohx/dhx |   | 	
int     | nw | =4 |   | 	spline order 
float   | oh | =0 |   | 	
bool    | verb | =n |  [y/n] | 	verbosity flag 
[DIRECTORY]
user/psava
