Program sftinterp | Traveltime interpolation by cubic Hermite spline 
[SYNOPSIS]
sftinterp < in.rsf > out.rsf deriv=deriv.rsf pattern=pattern.rsf type=
[PARAMETERS]
string  | deriv | = |   | 	auxiliary input file name
string  | pattern | = |   | 	auxiliary input file name
string  | type | = |   | 	type of interpolation (default Hermit) 
[DIRECTORY]
user/llisiw
