--- ray/src/util/dayfact.csh	1991/06/05 16:50:45	1.5
+++ ray/src/util/dayfact.csh	1991/08/09 11:06:18	1.8
@@ -27,16 +27,16 @@ or more color Radiance pictures.
 _EOF_
 readvar octree
 if ( "$octree" == "$nofile" || ! -f "$octree" ) then
-	echo "You must first create an octree with oconv"
-	echo "before running this script."
+	echo "You must first create an octree with"
+	echo "oconv before running this script."
 	exit 1
 endif
 set title="$octree:r"
 echo "In what scene file is the gensky command located?"
 readvar genskyf
 if ( "$genskyf" == "$nofile" || ! -r "$genskyf" ) then
-	echo "You will not be able to compute"
-	echo "daylight factors without a gensky file"
+	echo "You will not be able to compute daylight"
+	echo "factors since there is no gensky file."
 else
 	set title=$title\ `sed -n 's/^.*\<gensky  *\([0-9][0-9]*  *[0-9][0-9]*  *[0-9][0-9.]*\).*$/\1/p' $genskyf`
 	set extamb=`xform -e $genskyf|sed -n 's/^# Ground ambient level: //p'`
@@ -55,7 +55,7 @@ set wpsize=($wpsize)
 set wpres=(`rcalc -n -e '$1=if(l,'"floor($maxres*$wpsize[1]/$wpsize[2]),$maxres);"'$2=if(l,'"$maxres,floor($maxres*$wpsize[2]/$wpsize[1]));l=$wpsize[2]-$wpsize[1]"`)
 set rtargs=($rtargs -ar `getinfo -d<$octree|rcalc -e '$1=floor(16*$4/'"($wpsize[1]+$wpsize[2]))"`)
 echo "What calculation options do you want to give to rtrace?"
-echo "(It is very important to set the -a? options correctly.)"
+echo "(It is very important to set the -a* options correctly.)"
 readvar rtargs
 echo "Illuminance contour picture if you want one"
 readvar ilpict
@@ -82,7 +82,7 @@ cnt $wpres[2] $wpres[1] \
 	| rcalc -e '$1=($2+.5)/'"$wpres[1]*$wpsize[1]+$wporig[1]" \
 		-e '$2=(1-($1+.5)/'"$wpres[2])*$wpsize[2]+$wporig[2]" \
 		-e '$3='"$wporig[3]" -e '$4=0;$5=0;$6=1' \
-	| rtrace $rtargs -I -ov -faf $octree \
+	| rtrace $rtargs -h+ -I+ -ov -faf $octree \
 	| pvalue -r -x $wpres[1] -y $wpres[2] -df \
 	| pfilt -h 20 -n 0 -x 350 -y 350 -p 1 -r 1 > $iltemp
 set maxval=`getinfo < $iltemp | rcalc -i 'EXPOSURE=${e}' -e '$1=3/e'`
@@ -90,15 +90,15 @@ psign -h 50 " $title " | pfilt -1 -x /2 -y /2 > $tltem
 '_EOF_'
 if ( "$ilpict" != "$nofile" ) then
 	echo 'falsecolor -cb -l Lux $fcopts \\
-		-s "$maxval*470" -m 470 -pi $iltemp \\
+		-s "$maxval*470" -m 470 -ip $iltemp \\
 		| pcompos -a 1 - $tltemp > $ilpict' >> $sctemp
 endif
 if ( "$dfpict" != "$nofile" ) then
 	echo 'falsecolor -cb -l DF $fcopts \\
-		-s "$maxval/$extamb" -m "1/$extamb" -pi $iltemp \\
+		-s "100*$maxval/PI/$extamb" -m "100/PI/$extamb" -ip $iltemp \\
 		| pcompos -a 1 - $tltemp > $dfpict' >> $sctemp
 endif
 echo 'rm -f $tempfiles' >> $sctemp
 (source $sctemp) |& mail `whoami` &
 echo "Your job is started in the background."
-echo "I will send you mail when it is done."
+echo "You will be notified by mail when it is done."