| | \n\n \n \n \n bool depth=n [y/n] | \ty: depth migration, n: time migration \n | \n \n\n \n \n \n float dh= | \toffset sampling \n | \n \n\n \n \n \n int extend=4 | \ttrace extension \n | \n \n\n \n \n \n bool inv=n [y/n] | \ty: modeling, n: migration \n | \n \n\n \n \n \n int nh= | \tnumber of offsets \n | \n \n\n \n \n \n int pad=nt | \tpadding on the time axis \n | \n \n\n \n \n \n bool stack=y [y/n] | \tif y: stack migrated image \n | \n \n\n \n \n \n float vel= | \tconstant velocity \n | \n \n |