--- ray/src/rt/rview.c	2003/07/21 22:30:19	2.23
+++ ray/src/rt/rview.c	2005/06/13 20:07:56	2.28
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: rview.c,v 2.23 2003/07/21 22:30:19 schorsch Exp $";
+static const char	RCSid[] = "$Id: rview.c,v 2.28 2005/06/13 20:07:56 greg Exp $";
 #endif
 /*
  *  rview.c - routines and variables for interactive view generation.
@@ -33,6 +33,8 @@ void  (*trace)() = NULL;		/* trace call */
 
 int  do_irrad = 0;			/* compute irradiance? */
 
+int  rand_samp = 0;			/* pure Monte Carlo sampling? */
+
 int  psample = 8;			/* pixel sample size */
 double	maxdiff = .15;			/* max. sample difference */
 
@@ -56,18 +58,18 @@ double	specjitter = 1.;		/* specular sampling jitter *
 
 int  backvis = 1;			/* back face visibility */
 
-int  maxdepth = 4;			/* maximum recursion depth */
+int  maxdepth = 6;			/* maximum recursion depth */
 double	minweight = 1e-2;		/* 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 = 8;			/* ambient resolution */
-int  ambdiv = 32;			/* ambient divisions */
-int  ambssamp = 0;			/* ambient super-samples */
+double	ambacc = 0.3;			/* ambient accuracy */
+int  ambres = 32;			/* ambient resolution */
+int  ambdiv = 256;			/* ambient divisions */
+int  ambssamp = 64;			/* ambient super-samples */
 int  ambounce = 0;			/* ambient bounces */
-char  *amblist[128];			/* ambient include/exclude list */
+char  *amblist[AMBLLEN];		/* ambient include/exclude list */
 int  ambincl = -1;			/* include == 1, exclude == 0 */
 
 int  greyscale = 0;			/* map colors to brightness? */
@@ -215,11 +217,15 @@ again:
 	else *++args = '\0';
 	
 	switch (inpbuf[0]) {
-	case 'f':				/* new frame (or free mem.) */
+	case 'f':				/* new frame (|focus|free) */
 		if (badcom("frame")) {
-			if (badcom("free"))
-				goto commerr;
-			free_objmem();
+			if (badcom("focus")) {
+				if (badcom("free"))
+					goto commerr;
+				free_objmem();
+				break;
+			}
+			getfocus(args);
 			break;
 		}
 		getframe(args);