Synopsis
		sfeikds < btime.rsf > time.rsf shotfile=shots.rsf btime=y order=2 sorder=2 dl=0.0 br1=d1 br2=d2 br3=d3 plane1=n plane2=n plane3=n b1=plane[2]? n1: (int) (br1/d1+0.5) b2=plane[1]? n2: (int) (br2/d2+0.5) b3=plane[0]? n3: (int) (br3/d3+0.5) zshot=0. yshot=o2 + 0.5*(n2-1)*d2 xshot=o3 + 0.5*(n3-1)*d3

Parameters
		int b1=plane[2]? n1: (int) (br1/d1+0.5)   int b2=plane[1]? n2: (int) (br2/d2+0.5)   int b3=plane[0]? n3: (int) (br3/d3+0.5) Constant-velocity box around the source (in samples)   float br1=d1   float br2=d2   float br3=d3 Constant-velocity box around the source (in physical dimensions)   bool btime=y [y/n] if y, the input is background time; n, Velocity   float dl=0.0 The value of the shift in the y direction   int order=2 [1,2] Accuracy order   bool plane1=n [y/n]   bool plane2=n [y/n]   bool plane3=n [y/n] plane-wave source   string shotfile= File with shot locations (n2=number of shots, n1=3) (auxiliary input file name)   int sorder=2 [1,2,3] Accuracy order of the source perturbation   float xshot=o3 + 0.5*(n3-1)*d3   float yshot=o2 + 0.5*(n2-1)*d2   float zshot=0. Shot location (used if no shotfile)

Used In
		SWAG          eikds/marm2 eikds/smvel