--- ray/src/rt/rtrace.c	1991/07/22 13:09:58	1.19
+++ ray/src/rt/rtrace.c	1991/10/21 12:58:10	1.20
@@ -46,9 +46,10 @@ int  vresolu = 0;			/* vertical resolution */
 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  directrelay = 1;			/* number of source relays */
 int  vspretest = 512;			/* virtual source pretest density */
 int  directinvis = 0;			/* sources invisible? */
+double  srcsizerat = .25;		/* maximum ratio source size/dist. */
 
 int  maxdepth = 6;			/* maximum recursion depth */
 double  minweight = 4e-3;		/* minimum ray weight */