--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/orig/rlux.csh	Sat Apr 09 17:55:16 2011 +0100
@@ -0,0 +1,10 @@
+#!/bin/csh -f
+# RCSid: $Id: rlux.csh,v 2.5 2003/02/22 02:07:30 greg Exp $
+#
+# Compute illuminance from ray origin and direction
+#
+if ( $#argv < 1 ) then
+	echo "Usage: $0 [rtrace args] octree"
+	exit 1
+endif
+rtrace -i+ -dv- -h- -x 1 $argv[*]:q | rcalc -e '$1=47.4*$1+120*$2+11.6*$3' -u