| | \n\n \n \n \n float an=1. | \taxes anisotropy \n | \n \n\n \n \n \n int gate=3 | \tpicking gate \n | \n \n\n \n \n \n int niter=100 | \tnumber of iterations \n | \n \n\n \n \n \n int rect1=1 | \tsmoothing radius on the first axis \n | \n \n\n \n \n \n int rect2=1 | \tsmoothing radius on the second axis \n | \n \n\n \n \n \n int slice=0 | \tif only one kind of slicing (1: inline, 2: time) \n | \n \n\n \n \n \n float vel0=o2 | \tsurface velocity \n | \n \n |