Synopsis
		sfplotrays3 < in.rsf frame=frame.rsf n1= n2= n3= d1= d2= d3= o1= o2= o3= eps= < rays.bin

rays.bin should be in the special binary format for variable length rays

Run "sfdoc stdplot" for more parameters.

Parameters
		float d1= sampling on the first axis   float d2=   float d3=   string eps= name of EPS file for hard copy   string frame= auxiliary input file name   int n1=   int n2=   int n3=   float o1=   float o2=   float o3=