--- ray/src/util/objview.csh	1993/01/04 16:37:10	2.3
+++ ray/src/util/objview.csh	1996/02/09 12:56:59	2.5
@@ -7,6 +7,7 @@
 set tmpdir=/usr/tmp
 set octree=$tmpdir/ov$$.oct
 set tmpfiles="$octree"
+if ( ! $?RVIEW ) set RVIEW="rview"
 onintr quit
 
 oconv - $argv[*]:q > $octree <<_EOF_
@@ -18,9 +19,11 @@ bright source sun2 0 0 4 .3 1 1 5
 bright source sun3 0 0 4 -1 -.7 1 5
 _EOF_
 
+if ( $status ) goto quit
+
 set vp=`getinfo -d <$octree|rcalc -e '$1=$1-3.5*$4;$2=$2-3.5*$4;$3=$3+2.5*$4'`
 
-rview -av .2 .2 .2 -vp $vp -vd 1 1 -.5 -vv 15 -vh 15 $octree
+$RVIEW -av .2 .2 .2 -vp $vp -vd 1 1 -.5 -vv 15 -vh 15 $octree
 
 quit:
 rm -f $tmpfiles