Program sflsprtm2d | least-squares prestack RTM in 2-D 
[SYNOPSIS]
sflsprtm2d < shots.rsf vel=velo.rsf > imglsm.rsf imgrtm=imgrtm.rsf verb=y niter=10 nb=20 fromBoundary=y testadj=0
[PARAMETERS]
bool    | fromBoundary | =y |  [y/n] | 	if fromBoundary=true, reconstruct source wavefield from stored boundary 
file    | imgrtm | = |   | 	auxiliary output file name
int     | nb | =20 |   | 	number (thickness) of ABC on each side 
int     | niter | =10 |   | 	totol number of least-squares iteration
int     | testadj | =0 |   | 	if testadj = 1 then program only testadj without calculating 
file    | vel | = |   | 	auxiliary input file name
bool    | verb | =y |  [y/n] | 	verbosity 
[DIRECTORY]
user/pyang
