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\n Synopsis
		sfmpictshiftlr left=left.rsf right=right.rsf dt=0.001 nb=60 par=0.01 cmplx=n abc=y pad1=1 taper=y thresh=0.92

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\n Parameters
		\n \n \n \n   bool abc=y [y/n] \tabsorbing boundary condition \n \n \n\n \n \n \n   bool cmplx=n [y/n] \tuse complex FFT \n \n \n\n \n \n \n   float dt=0.001 \ttime interval \n \n \n\n \n \n \n   file left= \tauxiliary input file name \n \n \n\n \n \n \n   int nb=60 \tboundary width \n \n \n\n \n \n \n   int pad1=1 \tpadding factor on the first axis \n \n \n\n \n \n \n   float par=0.01 \tabsorbing boundary coefficient \n \n \n\n \n \n \n   file right= \tauxiliary input file name \n \n \n\n \n \n \n   bool taper=y [y/n] \ttapering \n \n \n\n \n \n \n   float thresh=0.92 \tthresholding \n \n \n

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