--- ray/src/rt/rtrace.c	1991/07/22 13:09:58	1.19
+++ ray/src/rt/rtrace.c	1992/01/16 12:05:20	2.4
@@ -46,10 +46,14 @@ 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. */
 
+double  specthresh = .15;		/* specular sampling threshold */
+double  specjitter = 1.;		/* specular sampling jitter */
+
 int  maxdepth = 6;			/* maximum recursion depth */
 double  minweight = 4e-3;		/* minimum ray weight */
 
@@ -236,7 +240,6 @@ int  fmt;
 FILE  *fp;
 {
 	extern char  *fgetword();
-	extern double  atof();
 	static float  vf[3];
 	char  buf[32];
 	register int  i;