| | \n\n \n \n \n float a0=0. | \tFirst azimuth angle in degrees (if anglefile is not specified) \n | \n \n\n \n \n \n float amax=360. | \tMaximum azimuth angle in degrees (if anglefile is not specified) \n | \n \n\n \n \n \n string anglefile= | \tfile with initial angles (auxiliary input file name) \n | \n \n\n \n \n \n float b0=0. | \tFirst inclination angle in degrees (if anglefile is not specified) \n | \n \n\n \n \n \n float bmax=180. | \tMaximum inclination angle in degrees (if anglefile is not specified) \n | \n \n\n \n \n \n float dt= | \tSampling in time \n | \n \n\n \n \n \n bool escvar=n [y/n] | \tIf y - output escape values, n - trajectories \n | \n \n\n \n \n \n int na= | \tNumber of azimuths (if anglefile is not specified) \n | \n \n\n \n \n \n int nb= | \tNumber of inclinations (if anglefile is not specified) \n | \n \n\n \n \n \n int nt= | \tNumber of time steps \n | \n \n\n \n \n \n int order=4 | \tInterpolation order \n | \n \n\n \n \n \n string shotfile= | \tfile with shot locations (auxiliary input file name) \n | \n \n\n \n \n \n bool sym=y [y/n] | \tif y, use symplectic integrator \n | \n \n\n \n \n \n bool vel=y [y/n] | \tIf y, input is velocity; if n, slowness \n | \n \n\n \n \n \n float xshot=o[2] + 0.5*(n[2]-1)*d[2] | \tshot location crossline (if shotfile is not specified) \n | \n \n\n \n \n \n float yshot=o[1] + 0.5*(n[1]-1)*d[1] | \tshot location inline (if shotfile is not specified) \n | \n \n\n \n \n \n float zshot=o[0] | \tshot location in depth (if shotfile is not specified) \n | \n \n |