Synopsis
		sfigrad < in.rsf > out.rsf square=n adj=n

Parameters
		bool adj=n [y/n] adjoint flag   bool square=n [y/n] if y, use gradient squared

Used In
		CWP          jse2006RWEImagingOverturningReflections/sigsbee   GEE          ajt/igrad1 hlx/helderiv hlx/helgal hlx/helocut iin/galilee mda/mad noiz/rbst   GEO384H          hw2/helix hw4/invint   RSF          challenge/rain rsf/sfderiv school2017/gravity school2020/gravity tutorials/well-tie   SEP          angle/agmig burg/gtens geostat/dix   TCCS          lpf/regr onestep/grad onestep/grad2 timelapse/timelapse