Synopsis
		sfhwt2d < Fv.rsf > Fw.rsf verb=n rays=n xsou=sf_o(ax) + nx*sf_d(ax)/2 zsou=sf_o(az) + nz*sf_d(az)/2 nt=100 ot=0 dt=0.001 ng=360 og=-180 dg=1

Parameters
		float dg=1   float dt=0.001   int ng=360   int nt=100   float og=-180   float ot=0   bool rays=n [y/n] velocity file   bool verb=n [y/n]   float xsou=sf_o(ax) + nx*sf_d(ax)/2   float zsou=sf_o(az) + nz*sf_d(az)/2

Used In
		CWP          geo2008InterferometricImagingCondition/sact1 geo2008InterferometricImagingCondition/sigs2   RSF          school/gauss school2015/adapt   SEP          huygens/gauss huygens/marmousi