--- ray/src/util/rad.c	1998/06/10 17:51:06	2.57
+++ ray/src/util/rad.c	1999/02/02 08:57:56	2.60
@@ -1,4 +1,4 @@
-/* Copyright (c) 1998 Silicon Graphics, Inc. */
+/* Copyright (c) 1999 Silicon Graphics, Inc. */
 
 #ifndef lint
 static char SCCSid[] = "$SunId$ SGI";
@@ -213,16 +213,13 @@ 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)
@@ -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)++;
@@ -1038,11 +1045,12 @@ 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);