| | \n\n \n \n \n float amp=1000 | \tmaximum amplitude of ricker \n | \n \n\n \n \n \n bool csdgather=n [y/n] | \tdefault, common shot-gather; if n, record at every point \n | \n \n\n \n \n \n float dt= | \ttime sampling interval \n | \n \n\n \n \n \n float fm=10 | \tdominant freq of ricker \n | \n \n\n \n \n \n int gxbeg= | \tx-begining index of receivers, starting from 0 \n | \n \n\n \n \n \n int gzbeg= | \tz-begining index of receivers, starting from 0 \n | \n \n\n \n \n \n int jgx=1 | \treceiver x-axis jump interval \n | \n \n\n \n \n \n int jgz=0 | \treceiver z-axis jump interval \n | \n \n\n \n \n \n int jsx= | \tsource x-axis jump interval \n | \n \n\n \n \n \n int jsz=0 | \tsource z-axis jump interval \n | \n \n\n \n \n \n int ng= | \ttotal receivers in each shot \n | \n \n\n \n \n \n int ns= | \tnumber of shots \n | \n \n\n \n \n \n int nt= | \ttotal modeling time steps \n | \n \n\n \n \n \n int sxbeg= | \tx-begining index of sources, starting from 0 \n | \n \n\n \n \n \n int szbeg= | \tz-begining index of sources, starting from 0 \n | \n \n\n \n \n \n bool verb=y [y/n] | \tvebosity \n | \n \n\n \n \n \n file wfd= | \tauxiliary output file name \n | \n \n |