--- ray/src/util/glare.csh	1991/04/29 08:31:21	1.2
+++ ray/src/util/glare.csh	1991/05/02 15:32:06	1.6
@@ -62,6 +62,10 @@ _EOF_
 		echo "You must specify a picture or an octree"
 		exit 1
 	endif
+	if ( $picture == $nofile && "$view" == "" ) then
+		echo "You must give a view if there is no picture"
+		exit 1
+	endif
 	if ( $picture != $nofile ) then
 		if ( ! -r $picture ) then
 			echo "Cannot read $picture"
@@ -91,9 +95,9 @@ _EOF_
 		if ("$<" =~ [yY]) then
 			set fgargs=(-r 400 $fgargs)
 		else
-			set fgargs=(-r 200 $fgargs)
+			set fgargs=(-r 250 $fgargs)
 		endif
-		echo -n "Are these sources very bright? "
+		echo -n "Are these sources relatively bright? "
 		if ("$<" =~ [nN]*) then
 			set fgargs=(-c $fgargs)
 		endif
@@ -138,8 +142,8 @@ if ($?DISPLAY && $picture != $nofile) then
 		xglaresrc $picture $glarefile
 	endif
 endif
-set ndxnam=("Guth Visual Comfort Probability" "Guth Disability Glare Ratio")
-set ndxcom=(guth_vcp guth_dgr)
+set ndxnam=("Guth Visual Comfort Probability" "Guth Disability Glare Ratio" "CIE Glare Index")
+set ndxcom=("glarendx -t guth_vcp" "glarendx -t guth_dgr" "glarendx -t cie_cgi")
 while ( 1 )
 	echo ""
 	echo "	0.  Quit"