Program sfaapwd | Amplitude-adjusted plane-wave destruction 
[SYNOPSIS]
sfaapwd < inp.rsf dip=dip.rsf amp=amp.rsf > out.rsf dipin=dipin.rsf ampin=ampin.rsf mask=msk.rsf order=1 drift=n verb=(bool) (1 == nt) niter=0 liter=50 rect1=1 rect2=1 lambda=1.0f
[PARAMETERS]
file    | amp | = |   | 	auxiliary output file name
string  | ampin | = |   | 	auxiliary input file name
file    | dip | = |   | 	auxiliary output file name
string  | dipin | = |   | 	auxiliary input file name
bool    | drift | =n |  [y/n] | 	if shift filter 
float   | lambda | =1.0f |   | 	scaling 
int     | liter | =50 |   | 	number of linear iterations 
string  | mask | = |   | 	auxiliary input file name
int     | niter | =0 |   | 	number of iterations 
int     | order | =1 |   | 	PWD order 
int     | rect1 | =1 |   | 	
int     | rect2 | =1 |   | 	smoothing radius 
bool    | verb | =(bool) (1 == nt) |  [y/n] | 	verbosity flag 
[DIRECTORY]
user/pwd
