--- ray/src/rt/raycalls.c	2003/02/25 02:47:23	2.2
+++ ray/src/rt/raycalls.c	2003/10/04 14:39:53	2.8
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: raycalls.c,v 2.2 2003/02/25 02:47:23 greg Exp $";
+static const char	RCSid[] = "$Id: raycalls.c,v 2.8 2003/10/04 14:39:53 greg Exp $";
 #endif
 /*
  *  raycalls.c - interface for running Radiance rendering as a library
@@ -78,7 +78,7 @@ static const char	RCSid[] = "$Id: raycalls.c,v 2.2 200
  *  restarted at any point by calling ray_init() on a new
  *  octree.
  *
- *  The call ray_save(rp) allocates and returns a buffer
+ *  The call ray_save(rp) fills a parameter structure
  *  with the current global parameter settings, which may be
  *  restored at any time with a call to ray_restore(rp).
  *  This buffer contains no linked information, and thus
@@ -90,18 +90,14 @@ static const char	RCSid[] = "$Id: raycalls.c,v 2.2 200
  *  same as the defaults for rtrace.)
  */
 
-#include  "ray.h"
+#include <string.h>
 
+#include  "ray.h"
 #include  "source.h"
-
 #include  "ambient.h"
-
 #include  "otypes.h"
-
 #include  "random.h"
-
 #include  "data.h"
-
 #include  "font.h"
 
 char	*progname = "unknown_app";	/* caller sets to argv[0] */
@@ -120,13 +116,13 @@ int	samplendx = 0;			/* index for this sample */
 void	(*trace)() = NULL;		/* trace call */
 
 extern void	ambnotify();
-void	(*addobjnotify[])() = {ambnotify, NULL};
+void	(*addobjnotify[8])() = {ambnotify, NULL};
 
 int	do_irrad = 0;			/* compute irradiance? */
 
 double	dstrsrc = 0.0;			/* square source distribution */
-double	shadthresh = .05;		/* shadow threshold */
-double	shadcert = .5;			/* shadow certainty */
+double	shadthresh = .03;		/* shadow threshold */
+double	shadcert = .75;			/* shadow certainty */
 int	directrelay = 2;		/* number of source relays */
 int	vspretest = 512;		/* virtual source pretest density */
 int	directvis = 1;			/* sources visible? */
@@ -142,16 +138,16 @@ double	specjitter = 1.;		/* specular sampling jitter *
 
 int	backvis = 1;			/* back face visibility */
 
-int	maxdepth = 6;			/* maximum recursion depth */
-double	minweight = 4e-3;		/* minimum ray weight */
+int	maxdepth = 8;			/* maximum recursion depth */
+double	minweight = 2e-3;		/* minimum ray weight */
 
 char	*ambfile = NULL;		/* ambient file name */
 COLOR	ambval = BLKCOLOR;		/* ambient value */
 int	ambvwt = 0;			/* initial weight for ambient value */
-double	ambacc = 0.2;			/* ambient accuracy */
-int	ambres = 128;			/* ambient resolution */
-int	ambdiv = 512;			/* ambient divisions */
-int	ambssamp = 0;			/* ambient super-samples */
+double	ambacc = 0.1;			/* ambient accuracy */
+int	ambres = 256;			/* ambient resolution */
+int	ambdiv = 1024;			/* ambient divisions */
+int	ambssamp = 512;			/* ambient super-samples */
 int	ambounce = 0;			/* ambient bounces */
 char	*amblist[AMBLLEN+1];		/* ambient include/exclude list */
 int	ambincl = -1;			/* include == 1, exclude == 0 */
@@ -167,8 +163,7 @@ char	*otnm;
 	if (ofun[OBJ_SPHERE].funp == o_default)
 		initotypes();
 					/* initialize urand */
-	if (urperm == NULL)
-		initurand(2048);
+	initurand(2048);
 					/* read scene octree */
 	readoct(octname = otnm, ~(IO_FILES|IO_INFO), &thescene, NULL);
 	nsceneobjs = nobjects;
@@ -179,9 +174,9 @@ char	*otnm;
 					/* ready to go... */
 }
 
-
 void
-ray_trace(RAY *r)		/* trace a primary ray */
+ray_trace(r)			/* trace a primary ray */
+RAY	*r;
 {
 	rayorigin(r, NULL, PRIMARY, 1.0);
 	samplendx++;
@@ -242,7 +237,7 @@ RAYPARAMS	*rp;
 	rp->maxdepth = maxdepth;
 	rp->minweight = minweight;
 	copycolor(rp->ambval, ambval);
-	bzero(rp->ambfile, sizeof(rp->ambfile));
+	memset(rp->ambfile, '\0', sizeof(rp->ambfile));
 	if (ambfile != NULL)
 		strncpy(rp->ambfile, ambfile, sizeof(rp->ambfile)-1);
 	rp->ambvwt = ambvwt;
@@ -252,7 +247,7 @@ RAYPARAMS	*rp;
 	rp->ambssamp = ambssamp;
 	rp->ambounce = ambounce;
 	rp->ambincl = ambincl;
-	bzero(rp->amblval, sizeof(rp->amblval));
+	memset(rp->amblval, '\0', sizeof(rp->amblval));
 	ndx = 0;
 	for (i = 0; i < AMBLLEN && amblist[i] != NULL; i++) {
 		int	len = strlen(amblist[i]);
@@ -344,8 +339,8 @@ RAYPARAMS	*rp;
 
 	rp->do_irrad = 0;
 	rp->dstrsrc = 0.0;
-	rp->shadthresh = .05;
-	rp->shadcert = .5;
+	rp->shadthresh = .03;
+	rp->shadcert = .75;
 	rp->directrelay = 2;
 	rp->vspretest = 512;
 	rp->directvis = 1;
@@ -357,18 +352,18 @@ RAYPARAMS	*rp;
 	rp->specthresh = .15;
 	rp->specjitter = 1.;
 	rp->backvis = 1;
-	rp->maxdepth = 6;
-	rp->minweight = 4e-3;
+	rp->maxdepth = 8;
+	rp->minweight = 2e-3;
 	setcolor(rp->ambval, 0., 0., 0.);
-	bzero(rp->ambfile, sizeof(rp->ambfile));
+	memset(rp->ambfile, '\0', sizeof(rp->ambfile));
 	rp->ambvwt = 0;
-	rp->ambres = 128;
-	rp->ambacc = 0.2;
-	rp->ambdiv = 512;
-	rp->ambssamp = 0;
+	rp->ambres = 256;
+	rp->ambacc = 0.1;
+	rp->ambdiv = 1024;
+	rp->ambssamp = 512;
 	rp->ambounce = 0;
 	rp->ambincl = -1;
-	bzero(rp->amblval, sizeof(rp->amblval));
+	memset(rp->amblval, '\0', sizeof(rp->amblval));
 	for (i = AMBLLEN+1; i--; )
 		rp->amblndx[i] = -1;
 }