--- ray/src/rt/rpict.c	1991/06/19 16:36:34	1.27
+++ ray/src/rt/rpict.c	1991/06/25 14:06:12	1.29
@@ -41,6 +41,7 @@ double  dstrsrc = 0.0;			/* square source distribution
 double  shadthresh = .05;		/* shadow threshold */
 double  shadcert = .5;			/* shadow certainty */
 int  directrelay = 0;			/* number of source relays */
+int  vspretest = 512;			/* virtual source pretest density */
 
 int  maxdepth = 6;			/* maximum recursion depth */
 double  minweight = 5e-3;		/* minimum ray weight */