| 1 |
greg |
1.1 |
#!/bin/csh -f
|
| 2 |
greg |
2.8 |
# RCSid: $Id: dayfact.csh,v 2.7 2005/10/06 05:49:44 greg Exp $
|
| 3 |
greg |
1.1 |
#
|
| 4 |
|
|
# Interactive script to calculate daylight factors
|
| 5 |
|
|
#
|
| 6 |
|
|
set nofile="none"
|
| 7 |
greg |
2.2 |
set illumpic=$nofile
|
| 8 |
greg |
1.1 |
set octree=$nofile
|
| 9 |
|
|
set dfpict=$nofile
|
| 10 |
|
|
set ilpict=$nofile
|
| 11 |
greg |
2.2 |
set dspict=$nofile
|
| 12 |
|
|
set nodaysav=1
|
| 13 |
greg |
1.4 |
set fcopts=($*)
|
| 14 |
greg |
2.2 |
set designlvl=500
|
| 15 |
greg |
1.1 |
set wporig=(0 0 0)
|
| 16 |
|
|
set wpsize=(1 1)
|
| 17 |
greg |
2.2 |
set rtargs=(-ab 1 -ad 256 -as 128 -aa .15 -av .3 .3 .3)
|
| 18 |
greg |
1.3 |
set maxres=128
|
| 19 |
greg |
2.8 |
set td=`mktemp -d /tmp/df.XXXXXX`
|
| 20 |
greg |
1.1 |
|
| 21 |
|
|
alias readvar 'echo -n Enter \!:1 "[$\!:1]: ";set ans="$<";if("$ans" != "")set \!:1="$ans"'
|
| 22 |
|
|
|
| 23 |
|
|
cat <<_EOF_
|
| 24 |
|
|
DAYLIGHT FACTOR CALCULATION
|
| 25 |
|
|
|
| 26 |
greg |
2.2 |
This script calculates daylight factors, illuminance levels, and/or
|
| 27 |
|
|
energy savings due to daylight on a rectangular workplane and produces
|
| 28 |
|
|
a contour plot from the result. The input is a Radiance scene description
|
| 29 |
|
|
(and octree) and the output is one or more color Radiance pictures.
|
| 30 |
greg |
1.1 |
|
| 31 |
|
|
_EOF_
|
| 32 |
greg |
2.3 |
echo "Have you already calculated an illuminance picture using dayfact?"
|
| 33 |
|
|
readvar illumpic
|
| 34 |
|
|
if ( $illumpic != $nofile ) then
|
| 35 |
greg |
2.2 |
if ( ! -r $illumpic ) then
|
| 36 |
|
|
echo "Cannot read $illumpic"
|
| 37 |
|
|
exit 1
|
| 38 |
|
|
endif
|
| 39 |
|
|
set title=$illumpic:r
|
| 40 |
|
|
set gotillumpic
|
| 41 |
|
|
goto getgenskyf
|
| 42 |
|
|
endif
|
| 43 |
|
|
|
| 44 |
greg |
1.1 |
readvar octree
|
| 45 |
greg |
2.2 |
if ( $octree == $nofile || ! -f $octree ) then
|
| 46 |
greg |
1.6 |
echo "You must first create an octree with"
|
| 47 |
|
|
echo "oconv before running this script."
|
| 48 |
greg |
1.1 |
exit 1
|
| 49 |
|
|
endif
|
| 50 |
greg |
1.5 |
set title="$octree:r"
|
| 51 |
greg |
1.2 |
echo -n "Is the z-axis your zenith direction? "
|
| 52 |
|
|
if ( "$<" !~ [yY]* ) then
|
| 53 |
greg |
1.1 |
echo "I'm sorry, you cannot use this script"
|
| 54 |
|
|
exit 1
|
| 55 |
|
|
endif
|
| 56 |
|
|
echo "What is the origin (smallest x y z coordinates) of the workplane?"
|
| 57 |
|
|
readvar wporig
|
| 58 |
|
|
set wporig=($wporig)
|
| 59 |
|
|
echo "What is the x and y size (width and length) of the workplane?"
|
| 60 |
greg |
1.2 |
readvar wpsize
|
| 61 |
greg |
1.1 |
set wpsize=($wpsize)
|
| 62 |
|
|
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]-$wpsize[1]"`)
|
| 63 |
|
|
set rtargs=($rtargs -ar `getinfo -d<$octree|rcalc -e '$1=floor(16*$4/'"($wpsize[1]+$wpsize[2]))"`)
|
| 64 |
|
|
echo "What calculation options do you want to give to rtrace?"
|
| 65 |
greg |
1.6 |
echo "(It is very important to set the -a* options correctly.)"
|
| 66 |
greg |
1.1 |
readvar rtargs
|
| 67 |
greg |
2.2 |
echo "Do you want to save the illuminance picture for later runs?"
|
| 68 |
|
|
readvar illumpic
|
| 69 |
|
|
############
|
| 70 |
|
|
getgenskyf:
|
| 71 |
|
|
set genskyf=$nofile
|
| 72 |
|
|
echo "In what scene file is the gensky command located?"
|
| 73 |
|
|
readvar genskyf
|
| 74 |
|
|
if ( $genskyf == $nofile ) then
|
| 75 |
|
|
echo "You will not be able to compute daylight factors"
|
| 76 |
|
|
echo "or energy savings since there is no gensky file."
|
| 77 |
|
|
else
|
| 78 |
greg |
2.8 |
xform -e $genskyf > $td/gsf
|
| 79 |
|
|
grep '^# gensky ' $td/gsf
|
| 80 |
greg |
2.2 |
if ( $status ) then
|
| 81 |
|
|
echo "The file $genskyf does not contain a gensky command\!"
|
| 82 |
greg |
2.8 |
rm -f $td/gsf
|
| 83 |
greg |
2.2 |
goto getgenskyf
|
| 84 |
|
|
endif
|
| 85 |
greg |
2.8 |
set title=$title\ `sed -n 's/^# gensky *\([0-9][0-9]* *[0-9][0-9]* *[0-9][0-9.]*\).*$/\1/p' $td/gsf`
|
| 86 |
|
|
set extamb=`sed -n 's/^# Ground ambient level: //p' $td/gsf`
|
| 87 |
|
|
grep -s '^# gensky .* -c' $td/gsf
|
| 88 |
greg |
2.2 |
set nodaysav=$status
|
| 89 |
greg |
2.8 |
rm -f $td/gsf
|
| 90 |
greg |
2.2 |
if ( $nodaysav ) then
|
| 91 |
|
|
echo "The gensky command was not done for an overcast sky"
|
| 92 |
|
|
echo "(-c option), so energy savings cannot be calculated."
|
| 93 |
|
|
echo -n "Continue anyway? "
|
| 94 |
|
|
if ( "$<" =~ [nN]* ) then
|
| 95 |
|
|
exit 0
|
| 96 |
|
|
endif
|
| 97 |
|
|
endif
|
| 98 |
|
|
endif
|
| 99 |
greg |
1.1 |
echo "Illuminance contour picture if you want one"
|
| 100 |
|
|
readvar ilpict
|
| 101 |
|
|
if ( $?extamb ) then
|
| 102 |
|
|
echo "Daylight factor contour picture if you want one"
|
| 103 |
|
|
readvar dfpict
|
| 104 |
|
|
endif
|
| 105 |
greg |
2.2 |
if ( ! $nodaysav ) then
|
| 106 |
|
|
echo "Energy savings contour picture if you want one"
|
| 107 |
|
|
readvar dspict
|
| 108 |
|
|
if ( $dspict != $nofile ) then
|
| 109 |
|
|
echo "Workplane design level (lux)"
|
| 110 |
|
|
readvar designlvl
|
| 111 |
|
|
endif
|
| 112 |
|
|
endif
|
| 113 |
|
|
if ( $ilpict == $nofile && $dfpict == $nofile && $dspict == $nofile ) then
|
| 114 |
greg |
1.1 |
echo "Since you don't want any output, I guess we're done."
|
| 115 |
|
|
exit 0
|
| 116 |
|
|
endif
|
| 117 |
greg |
1.5 |
echo "Title for output picture"
|
| 118 |
|
|
readvar title
|
| 119 |
greg |
2.8 |
set sctemp=$td/sc.csh
|
| 120 |
greg |
1.4 |
cat <<'_EOF_' > $sctemp
|
| 121 |
greg |
2.2 |
if ( $illumpic != $nofile ) then
|
| 122 |
|
|
set iltemp=""
|
| 123 |
|
|
else
|
| 124 |
greg |
2.8 |
set iltemp=$td/il.pic
|
| 125 |
greg |
2.2 |
set illumpic=$iltemp
|
| 126 |
|
|
endif
|
| 127 |
greg |
2.8 |
set tltemp=$td/tl.pic
|
| 128 |
|
|
set dstemp=$td/ds.pic
|
| 129 |
|
|
set temp1=$td/tfa
|
| 130 |
greg |
1.4 |
echo "Your dayfact job is finished."
|
| 131 |
|
|
echo "Please check for error messages below."
|
| 132 |
|
|
echo ""
|
| 133 |
|
|
set echo
|
| 134 |
greg |
2.2 |
if ( ! $?gotillumpic ) then
|
| 135 |
|
|
cnt $wpres[2] $wpres[1] \
|
| 136 |
greg |
1.2 |
| rcalc -e '$1=($2+.5)/'"$wpres[1]*$wpsize[1]+$wporig[1]" \
|
| 137 |
|
|
-e '$2=(1-($1+.5)/'"$wpres[2])*$wpsize[2]+$wporig[2]" \
|
| 138 |
|
|
-e '$3='"$wporig[3]" -e '$4=0;$5=0;$6=1' \
|
| 139 |
greg |
2.4 |
| rtrace $rtargs -h+ -I+ -ov -fac -x $wpres[1] -y $wpres[2] $octree \
|
| 140 |
|
|
> $temp1
|
| 141 |
greg |
2.2 |
pfilt -h 20 -n 0 -x 300 -y 300 -p 1 -r 1 $temp1 > $illumpic
|
| 142 |
|
|
endif
|
| 143 |
|
|
set maxval=`getinfo < $illumpic | rcalc -i 'EXPOSURE=${e}' -e '$1=3/e'`
|
| 144 |
greg |
2.7 |
if ("$maxval" == "") set maxval=3
|
| 145 |
greg |
2.2 |
psign -h 42 " $title " | pfilt -1 -x /2 -y /2 > $tltemp
|
| 146 |
greg |
1.4 |
'_EOF_'
|
| 147 |
greg |
2.2 |
if ( $ilpict != $nofile ) then
|
| 148 |
|
|
echo 'falsecolor -cb -l Lux -s "$maxval*179" \\
|
| 149 |
|
|
$fcopts -m 179 -ip $illumpic \\
|
| 150 |
greg |
1.5 |
| pcompos -a 1 - $tltemp > $ilpict' >> $sctemp
|
| 151 |
greg |
1.1 |
endif
|
| 152 |
greg |
2.2 |
if ( $dfpict != $nofile ) then
|
| 153 |
greg |
2.7 |
echo 'falsecolor -cb -l DF -s 16 \\
|
| 154 |
greg |
2.2 |
$fcopts -m "100/PI/$extamb" -ip $illumpic \\
|
| 155 |
greg |
1.5 |
| pcompos -a 1 - $tltemp > $dfpict' >> $sctemp
|
| 156 |
greg |
2.2 |
endif
|
| 157 |
|
|
if ( $dspict != $nofile ) then
|
| 158 |
|
|
echo 'pcomb -e "lo=1-$designlvl/20000*3.1416*$extamb/li(1)" \\
|
| 159 |
|
|
-o $illumpic | falsecolor -cb -l "%Save" -s 100 \\
|
| 160 |
|
|
$fcopts -m 100 -p $illumpic \\
|
| 161 |
|
|
| pcompos -a 1 - $tltemp > $dspict' >> $sctemp
|
| 162 |
greg |
1.1 |
endif
|
| 163 |
greg |
2.8 |
echo 'rm -r $td' >> $sctemp
|
| 164 |
greg |
1.4 |
(source $sctemp) |& mail `whoami` &
|
| 165 |
|
|
echo "Your job is started in the background."
|
| 166 |
greg |
1.6 |
echo "You will be notified by mail when it is done."
|
