| | \n\n \n \n \n int CDPtype= | \t \n | \n \n\n \n \n \n float dv= | \tstep in velocity \n | \n \n\n \n \n \n int extend=4 | \ttrace extension \n | \n \n\n \n \n \n float h0=0. | \treference offset \n | \n \n\n \n \n \n bool half=y [y/n] | \tif y, the second axis is half-offset instead of full offset \n | \n \n\n \n \n \n int nv= | \tnumber of velocities \n | \n \n\n \n \n \n string offset= | \tauxiliary input file name \n | \n \n\n \n \n \n bool slowness=n [y/n] | \tif y, use slowness instead of velocity \n | \n \n\n \n \n \n bool squared=n [y/n] | \tif y, the slowness or velocity is squared \n | \n \n\n \n \n \n float v0= | \tfirst velocity \n | \n \n |