--- ray/src/rt/rview.c	1989/06/07 21:00:54	1.3
+++ ray/src/rt/rview.c	1989/07/10 15:21:25	1.5
@@ -29,13 +29,14 @@ double  exposure = 1.0;			/* exposure for scene */
 
 double  dstrsrc = 0.0;			/* square source distribution */
 double  shadthresh = .1;		/* shadow threshold */
+double  shadcert = .25;			/* shadow certainty */
 
 int  maxdepth = 4;			/* maximum recursion depth */
 double  minweight = 1e-2;		/* minimum ray weight */
 
 COLOR  ambval = BLKCOLOR;		/* ambient value */
 double  ambacc = 0.2;			/* ambient accuracy */
-int  ambres = 64;			/* ambient resolution */
+int  ambres = 8;			/* ambient resolution */
 int  ambdiv = 32;			/* ambient divisions */
 int  ambssamp = 0;			/* ambient super-samples */
 int  ambounce = 0;			/* ambient bounces */