cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
c SurfAnisoForward Input
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
Surfphase_RV3_5_40s_1s.dat	 	    c: blank traveltime data file
17 17 4                             c: nx ny nz (grid number in lat lon and depth directions)
26.5  101.25                        c: goxd gozd (upper left point,[lat,lon])
0.25 0.25                           c: dvxd dvzd (grid interval in lat and lon directions)
5000                                c: max(sources, receivers)
2                                   c: sublayers (2~5)
0.2                                 c: sparsity fraction
F         				   			c: T: output raypath; F: not output raypath
36                                  c: kmaxRc (followed by periods)
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
0			         			    c: noise level e.g.: 0.5s