Synopsis
		sfdiffraction < w1.rsf w2=w2.rsf w12=w12.rsf spikes=spikes.rsf > data.rsf freq=0.2/dt

Parameters
		float freq=0.2/dt peak frequency for Ricker wavelet   file spikes= auxiliary input file name   file w12= auxiliary input file name   file w2= auxiliary input file name

Used In
		TCCS          vc3/threedim