Synopsis
		sfselfblend < in.rsf > out.rsf seed=time(NULL) type=y var= range= mean=0 t0=n1*dt

Parameters
		float mean=0 noise mean   float range= dithering time range (default=1)   int seed=time(NULL) random seed   float t0=n1*dt scheduled time interval between two consecutive shots in one source   bool type=y [y/n] dithering time distribution, y: normal, n: uniform   float var= dithering time variance

Used In
		ZJU          sosvmf/hyper