--- ray/src/rt/rview.c	1991/06/19 16:36:39	1.16
+++ ray/src/rt/rview.c	1991/06/24 16:10:49	1.17
@@ -34,6 +34,7 @@ double  dstrsrc = 0.0;			/* square source distribution
 double  shadthresh = .1;		/* shadow threshold */
 double  shadcert = .25;			/* shadow certainty */
 int  directrelay = 0;			/* number of source relays */
+int  vspretest = 32;			/* virtual source pretest density */
 
 int  maxdepth = 4;			/* maximum recursion depth */
 double  minweight = 1e-2;		/* minimum ray weight */