Synopsis
		sfcgscan < in.rsf > out.rsf error=err.rsf mask=msk.rsf adj=n niter=0 miter=2 psun1=1 psun2=1 anti=1. ncycle=0 perc=50.0

Parameters
		bool adj=n [y/n] adjoint flag   float anti=1. antialiasing   string error= auxiliary output file name   string mask= auxiliary input file name   int miter=2 conjugate-direction memory   int ncycle=0 number of sharpening cycles   int niter=0 number of iterations   float perc=50.0 percentage for sharpening   int psun1=1 amplitude type for adjoint   int psun2=1 amplitude type for forward

Used In
		SEP          cdstep/veltran stack/velinv