| | \n\n \n \n \n bool aa=n [y/n] | \tyes: apply reciprocal antialiaising operator \n | \n \n\n \n \n \n bool adj=y [y/n] | \tyes: migration, no: modeling \n | \n \n\n \n \n \n int sw=0 | \tif > 0, select a branch of the antialiasing operation \n | \n \n\n \n \n \n float v0= | \tconstant velocity (if no velocity=) \n | \n \n\n \n \n \n string vel= | \tvelocity file (auxiliary input file name) \n | \n \n |