Program sfhelmrhs | Reconstruct right-hand side from wavefield. 
[SYNOPSIS]
sfhelmrhs < in.rsf > out.rsf model=modl.rsf uts=0 order=
[PARAMETERS]
string  | model | = |   | 	auxiliary input file name
string  | order | = |   | 	discretization scheme (default optimal 9-point) 
int     | uts | =0 |   | 	number of OMP threads 
[DIRECTORY]
user/sparse
