--- ray/src/util/rad.c	1998/06/10 17:51:06	2.57
+++ ray/src/util/rad.c	2003/03/21 18:48:46	2.62
@@ -1,9 +1,6 @@
-/* Copyright (c) 1998 Silicon Graphics, Inc. */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ SGI";
+static const char	RCSid[] = "$Id: rad.c,v 2.62 2003/03/21 18:48:46 greg Exp $";
 #endif
-
 /*
  * Executive program for oconv, rpict and pfilt
  */
@@ -13,7 +10,6 @@ static char SCCSid[] = "$SunId$ SGI";
 #include "paths.h"
 #include "vars.h"
 #include <ctype.h>
-#include <sys/types.h>
 
 				/* variables (alphabetical by name) */
 #define AMBFILE		0		/* ambient file name */
@@ -81,7 +77,7 @@ char	overfile[] = "overture.unf";
 char	overfile[] = "/dev/null";
 #endif
 
-extern time_t	fdate(), time();
+extern time_t	time();
 
 time_t	scenedate;		/* date of latest scene or object file */
 time_t	octreedate;		/* date of octree */
@@ -213,16 +209,13 @@ register char	*fnames;
 {
 	char	thisfile[MAXPATH];
 	time_t	thisdate, lastdate = 0;
-	register char	*cp;
 
 	if (fnames == NULL)
 		return(0);
-	while (*fnames) {
-		while (isspace(*fnames)) fnames++;
-		cp = thisfile;
-		while (*fnames && !isspace(*fnames))
-			*cp++ = *fnames++;
-		*cp = '\0';
+	while ((fnames = nextword(thisfile, MAXPATH, fnames)) != NULL) {
+		if (thisfile[0] == '!' ||
+				(thisfile[0] == '\\' && thisfile[1] == '!'))
+			continue;
 		if (!(thisdate = fdate(thisfile)))
 			syserr(thisfile);
 		if (thisdate > lastdate)
@@ -267,6 +260,10 @@ checkfiles()			/* check for existence and modified tim
 			syserr(progname);
 		sprintf(vval(OCTREE), "%s.oct", radname);
 		vdef(OCTREE)++;
+	} else if (vval(OCTREE)[0] == '!') {
+		fprintf(stderr, "%s: illegal '%s' specification\n",
+				progname, vnam(OCTREE));
+		quit(1);
 	}
 	octreedate = fdate(vval(OCTREE));
 	if (vdef(ILLUM)) {		/* illum requires secondary octrees */
@@ -341,7 +338,7 @@ double	org[3], *sizp;
 
 setdefaults()			/* set default values for unassigned var's */
 {
-	double	org[3], size;
+	double	org[3], lim[3], size;
 	char	buf[128];
 
 	if (!vdef(ZONE)) {
@@ -351,6 +348,16 @@ setdefaults()			/* set default values for unassigned v
 		vval(ZONE) = savqstr(buf);
 		vdef(ZONE)++;
 	}
+	if (!vdef(EYESEP)) {
+		if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
+				&org[0], &lim[0], &org[1], &lim[1],
+				&org[2], &lim[2]) != 6)
+			badvalue(ZONE);
+		sprintf(buf, "%f",
+			0.01*(lim[0]-org[0]+lim[1]-org[1]+lim[2]-org[2]));
+		vval(EYESEP) = savqstr(buf);
+		vdef(EYESEP)++;
+	}
 	if (!vdef(INDIRECT)) {
 		vval(INDIRECT) = "0";
 		vdef(INDIRECT)++;
@@ -833,7 +840,7 @@ register char	*po;
 	}
 	switch (vscale(QUALITY)) {
 	case MEDIUM:
-		po = addarg(po, "-r 1");
+		po = addarg(po, "-r .6");
 		break;
 	case HIGH:
 		po = addarg(po, "-m .25");
@@ -1024,7 +1031,6 @@ char	*vn;		/* returned view name */
 printview(vopts)			/* print out selected view */
 register char	*vopts;
 {
-	extern char	*strstr(), *atos(), *getenv();
 	VIEW	vwr;
 	char	buf[128];
 	register char	*cp;
@@ -1038,11 +1044,12 @@ again:
 	}
 #endif
 	copystruct(&vwr, &stdview);
-	cp = vopts;				/* get -vf files first */
+	sscanview(&vwr, cp=vopts);		/* set initial options */
 	while ((cp = strstr(cp, "-vf ")) != NULL &&
-			*atos(buf, sizeof(buf), cp += 4))
-		viewfile(buf, &vwr, NULL);
-	sscanview(&vwr, vopts);			/* get the rest */
+			*atos(buf, sizeof(buf), cp += 4)) {
+		viewfile(buf, &vwr, NULL);	/* load -vf file */
+		sscanview(&vwr, cp);		/* reset tail */
+	}
 	fputs(VIEWSTR, stdout);
 	fprintview(&vwr, stdout);		/* print full spec. */
 	fputc('\n', stdout);
@@ -1301,6 +1308,7 @@ char	*s;
 }
 
 
+void
 quit(ec)			/* exit program */
 int	ec;
 {