Program sfstcurvature | Curvature in stratigraphic coordinates 
[SYNOPSIS]
sfstcurvature < xhor.rsf yh=yhor.rsf zh=zhor.rsf > cur.rsf scale=1.0 what=
[PARAMETERS]
float   | scale | =1.0 |   | 	scaling (from time to depth) 
string  | what | = |   | 	what to compute 
file    | yh | = |   | 	auxiliary input file name
file    | zh | = |   | 	auxiliary input file name
[DIRECTORY]
user/parvaneh
