Synopsis
		sfpwd < in.rsf dip=dip.rsf > out.rsf n4=2 order=1 nj1=1 nj2=1

Parameters
		file dip= auxiliary input file name   int n4=2 what to compute in 3-D. 0: in-line, 1: cross-line, 2: both   int nj1=1 in-line aliasing   int nj2=1 cross-line aliasing   int order=1 [1,2,3] accuracy

Used In
		CWP          geo2006TimeShiftImagingCondition/zicig   JSG          diffr/chan3d diffr/gom diffr/fault pmig/mig shape/lomo   SEP          pwd/blast pwd/lomo vc2/beivc