--- ray/src/ot/o_instance.c	1990/12/15 19:55:05	1.6
+++ ray/src/ot/o_instance.c	2003/02/22 02:07:26	2.2
@@ -1,9 +1,6 @@
-/* Copyright (c) 1990 Regents of the University of California */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char	RCSid[] = "$Id: o_instance.c,v 2.2 2003/02/22 02:07:26 greg Exp $";
 #endif
-
 /*
  *  o_instance.c - routines for creating octrees for other octrees.
  *
@@ -14,6 +11,8 @@ static char SCCSid[] = "$SunId$ LBL";
 
 #include  "object.h"
 
+#include  "octree.h"
+
 #include  "instance.h"
 
 #include  "plocate.h"
@@ -56,8 +55,8 @@ CUBE  *cu;
 	in = getinstance(o, IO_BOUNDS);
 					/* check if cube vertex in octree */
 	for (j = 0; j < 3; j++)
-		cumax[j] = (cumin[j] = cu->cuorg[j]-FTINY)
-				+ cu->cusize + 2.0*FTINY;
+		cumax[j] = (cumin[j] = in->obj->scube.cuorg[j]) +
+				in->obj->scube.cusize;
 	vloc = ABOVE | BELOW;
 	vout = 0;
 	for (i = 0; i < 8; i++) {