Synopsis
		sfnorsar < inp.rsf ampl=ampl.rsf time=time.rsf dirx=dirx.rsf dirz=dirz.rsf srcx=srcx.rsf srcz=srcz.rsf invgeo=invgeo.rsf nang=10 rays=0 wfront=0 gap=1 inter=1 DSmax=5 dt=0.0005 nt=5 nrmax=2000 lomx=1 first=1 nou=6 gnx=nx gnz=nz gdx=dx gdz=dz gox=ox goz=oz N=3 TETAMAX=1.5 alpha2=4.0 freq=100. prcube=0 pr=0 ds=1. os=0. depth=dz

Parameters
		float DSmax=5 Maximum distance between contiguos points of a wavefront   int N=3 Number of control points   float TETAMAX=1.5 Truncation parameter   float alpha2=4.0 Width of gaussian weighting function   file ampl= auxiliary output file name   float depth=dz Depth location of sources   file dirx= auxiliary output file name   file dirz= auxiliary output file name   float ds=1. interval between sources   float dt=0.0005 time step   int first=1 Obtain first arrivals only   float freq=100. Pseudo-frequency of waverays   int gap=1 Draw wavefronts every gap intervals   float gdx=dx   float gdz=dz   int gnx=nx Coordinates of output grid   int gnz=nz   float gox=ox   float goz=oz GET LOMAX SPECIFIC PARAMETERS   int inter=1 If use linear interpolation   file invgeo= auxiliary output file name   int lomx=1 Use Lomax's waveray method   int nang=10 Number of take-off angles   int nou=6 GET GRIDDING PARAMETERS   int nrmax=2000 Maximum number of points that define a wavefront   int nt=5 Number of time steps between wavefronts   float os=0. first source location   int pr=0 For debugging porpouses   int prcube=0 For debugging porpouses   int rays=0 If draw rays   file srcx= auxiliary output file name   file srcz= auxiliary output file name   file time= auxiliary output file name   int wfront=0 If draw wavefronts

Used In
		SEP          waverays/gauss waverays/marm