| | \n\n \n \n \n file Gx= | \tauxiliary input file name \n | \n \n\n \n \n \n file Gz= | \tauxiliary input file name \n | \n \n\n \n \n \n file den= | \tauxiliary input file name \n | \n \n\n \n \n \n int spx= | \tsource point in x \n | \n \n\n \n \n \n int spz= | \tsource point in z \n | \n \n\n \n \n \n file sxx= | \tauxiliary input file name \n | \n \n\n \n \n \n file sxz= | \tauxiliary input file name \n | \n \n\n \n \n \n file szx= | \tauxiliary input file name \n | \n \n\n \n \n \n file szz= | \tauxiliary input file name \n | \n \n\n \n \n \n file vel= | \tauxiliary input file name \n | \n \n\n \n \n \n bool verb=n [y/n] | \tverbosity \n | \n \n |