| | \n\n \n \n \n float db=1 | \tangle increment \n | \n \n\n \n \n \n float eps=0.01 | \tstretch regularization \n | \n \n\n \n \n \n bool inv=y [y/n] | \tinversion flag \n | \n \n\n \n \n \n int nb=85 | \tnumber of angles \n | \n \n\n \n \n \n bool shot=n [y/n] | \tif shot gathers instead of midpoint gathers \n | \n \n\n \n \n \n float xi=1 | \tcontinuation paremeter \n | \n \n |