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
		GEE          ajt/igrad1 hlx/helderiv hlx/helocut hlx/helgal iin/galilee noiz/rbst noiz/mad   JSG          lpf/regr timelapse/timelapse   SEP          angle/agmig burg/gtens