--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/orig/debugcal.csh	Sat Apr 09 17:55:16 2011 +0100
@@ -0,0 +1,33 @@
+#!/bin/csh -f
+# RCSid: $Id: debugcal.csh,v 2.6 2003/02/22 02:07:30 greg Exp $
+#
+# Script to debug cal files for Radiance
+#
+# Takes octree and rcalc options as arguments.
+# One of the rcalc options should be -f calfile.
+# Note that the real arguments A1, A2, etc must also be given.
+# Input is a ray origin and direction, such as that produced by ximage.
+#
+if ( $#argv < 2 ) then
+	echo "Usage: $0 octree [rcalc options]"
+	exit 1
+endif
+if ( ! $?RAYPATH ) then
+	set RAYPATH=.:/usr/local/lib/ray
+endif
+set initfile=
+foreach d (`echo $RAYPATH | sed 's/:/ /g'`)
+	if ( -r $d/rayinit.cal ) then
+		set initfile="-f $d/rayinit.cal"
+		break
+	endif
+end
+
+rtrace -h- -x 1 -odNplL $1 | rcalc -u -e 'Dx=$1;Dy=$2;Dz=$3' \
+		-e 'Nx=$4;Ny=$5;Nz=$6;Px=$7;Py=$8;Pz=$9' \
+		-e 'T=$10;Ts=$11' -e 'S:1;Tx:0;Ty:0;Tz:0' \
+		-e 'Ix:1;Iy:0;Iz:0;Jx:0;Jy:1;Jz:0;Kx:0;Ky:0;Kz:1' \
+		-e 'Rdot=-Dx*Nx-Dy*Ny-Dz*Nz' -e 'RdotP=Rdot' \
+		-e 'NxP=Nx;NyP=Ny;NzP=Nz' -e 'CrP=A1;CgP=A2;CbP=A3' \
+		-e 'DxA:0;DyA:0;DzA:0' \
+		$initfile $argv[2-]:q