| | | \n\n \n \n \n float ds=dr | \tsource sampling \n | \n \n\n \n \n \n int ns=nr | \tNumber of sources \n | \n \n\n \n \n \n int order=3 | \tinterpolation order \n | \n \n\n \n \n \n float s0=r0 | \tsource origin \n | \n \n\n \n \n \n float tol=0.0001/velocity | \tassign a default value for tolerance \n | \n \n\n \n \n \n float velocity=2.0 | \tassign velocity km/s \n | \n \n\n \n \n \n file xrefl= | \tauxiliary output file name \n | \n \n |