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\n Synopsis
		sfpassive2d < in.rsf > out.rsf velocity=vel.rsf wave=wave.rsf verb=n adj=n pas=n abc=n snap=0 depth=0 nt= dt= cb=0.0f

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\n Parameters
		\n \n \n \n   bool abc=n [y/n] \tabsorbing boundary condition \n \n \n\n \n \n \n   bool adj=n [y/n] \tadjoint flag, 0: modeling, 1: migration \n \n \n\n \n \n \n   float cb=0.0f \t \n \n \n\n \n \n \n   int depth=0 \tsurface \n \n \n\n \n \n \n   float dt= \t \n \n \n\n \n \n \n   int nt= \t \n \n \n\n \n \n \n   bool pas=n [y/n] \tpassive flag, 0: exploding reflector rtm, 1: passive seismic imaging \n \n \n\n \n \n \n   int snap=0 \twavefield snapshot flag \n \n \n\n \n \n \n   file velocity= \tauxiliary input file name \n \n \n\n \n \n \n   bool verb=n [y/n] \tverbosity flag \n \n \n\n \n \n \n   file wave= \tauxiliary output file name \n \n \n

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