Synopsis
		sfvelxf3 < vtr.rsf < cmp.rsf adj=0 nx=nv ny=1 dx=0.01 dy=0.01 ox=0. oy=0. nv=nx dv=0.01 ov=1.5

Parameters
		adj=0 adj = 0 : from velocity-domain(t,s) to cmp-gather(t,x)   dv=0.01   dx=0.01   dy=0.01   nv=nx   nx=nv   ny=1   ov=1.5   ox=0.   oy=0.