--- ray/src/hd/rholo2.c	1997/12/18 09:33:35	3.10
+++ ray/src/hd/rholo2.c	1998/06/10 17:46:21	3.12
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997 Silicon Graphics, Inc. */
+/* Copyright (c) 1998 Silicon Graphics, Inc. */
 
 #ifndef lint
 static char SCCSid[] = "$SunId$ SGI";
@@ -115,7 +115,7 @@ new_rtrace()			/* restart rtrace calculation */
 
 getradfile()			/* run rad and get needed variables */
 {
-	static short	mvar[] = {OCTREE,-1};
+	static short	mvar[] = {OCTREE,EYESEP,-1};
 	static char	tf1[] = TEMPLATE;
 	char	tf2[64];
 	char	combuf[256];
@@ -124,7 +124,7 @@ getradfile()			/* run rad and get needed variables */
 	register char	*cp;
 					/* check if rad file specified */
 	if (!vdef(RIF))
-		return;
+		return(0);
 					/* create rad command */
 	mktemp(tf1);
 	sprintf(tf2, "%s.rif", tf1);
@@ -150,7 +150,8 @@ getradfile()			/* run rad and get needed variables */
 	if (system(combuf)) {
 		unlink(tf2);			/* clean up */
 		unlink(tf1);
-		error(USER, "error executing rad command");
+		error(WARNING, "error executing rad command");
+		return(-1);
 	}
 	if (pippt == NULL) {
 		loadvars(tf2);			/* load variables */
@@ -158,6 +159,7 @@ getradfile()			/* run rad and get needed variables */
 	}
 	rtargc += wordfile(rtargv+rtargc, tf1);	/* get rtrace options */
 	unlink(tf1);			/* clean up */
+	return(1);
 }