1 |
greg |
2.1 |
#!/usr/bin/perl -w |
2 |
greg |
2.10 |
# RCSid $Id: genBSDF.pl,v 2.9 2011/02/21 22:48:51 greg Exp $ |
3 |
greg |
2.1 |
# |
4 |
|
|
# Compute BSDF based on geometry and material description |
5 |
|
|
# |
6 |
|
|
# G. Ward |
7 |
|
|
# |
8 |
|
|
use strict; |
9 |
|
|
sub userror { |
10 |
greg |
2.9 |
print STDERR "Usage: genBSDF [-n Nproc][-c Nsamp][-dim xmin xmax ymin ymax zmin zmax][{+|-}f][{+|-}b][{+|-}mgf][{+|-}geom] [input ..]\n"; |
11 |
greg |
2.1 |
exit 1; |
12 |
|
|
} |
13 |
|
|
my $td = `mktemp -d /tmp/genBSDF.XXXXXX`; |
14 |
|
|
chomp $td; |
15 |
|
|
my $nsamp = 1000; |
16 |
greg |
2.10 |
my $rtargs = "-w -ab 5 -ad 700 -lw 3e-6"; |
17 |
greg |
2.1 |
my $mgfin = 0; |
18 |
|
|
my $geout = 1; |
19 |
|
|
my $nproc = 1; |
20 |
greg |
2.9 |
my $doforw = 0; |
21 |
|
|
my $doback = 1; |
22 |
greg |
2.1 |
my @dim; |
23 |
|
|
# Get options |
24 |
|
|
while ($#ARGV >= 0) { |
25 |
|
|
if ("$ARGV[0]" =~ /^[-+]m/) { |
26 |
|
|
$mgfin = ("$ARGV[0]" =~ /^\+/); |
27 |
greg |
2.10 |
} elsif ("$ARGV[0]" eq "-r") { |
28 |
|
|
$rtargs = "$rtargs $ARGV[1]"; |
29 |
|
|
shift @ARGV; |
30 |
greg |
2.1 |
} elsif ("$ARGV[0]" =~ /^[-+]g/) { |
31 |
|
|
$geout = ("$ARGV[0]" =~ /^\+/); |
32 |
greg |
2.9 |
} elsif ("$ARGV[0]" =~ /^[-+]f/) { |
33 |
|
|
$doforw = ("$ARGV[0]" =~ /^\+/); |
34 |
|
|
} elsif ("$ARGV[0]" =~ /^[-+]b/) { |
35 |
|
|
$doback = ("$ARGV[0]" =~ /^\+/); |
36 |
greg |
2.1 |
} elsif ("$ARGV[0]" eq "-c") { |
37 |
|
|
$nsamp = $ARGV[1]; |
38 |
|
|
shift @ARGV; |
39 |
|
|
} elsif ("$ARGV[0]" eq "-n") { |
40 |
|
|
$nproc = $ARGV[1]; |
41 |
|
|
shift @ARGV; |
42 |
|
|
} elsif ("$ARGV[0]" =~ /^-d/) { |
43 |
|
|
userror() if ($#ARGV < 6); |
44 |
greg |
2.8 |
@dim = @ARGV[1..6]; |
45 |
greg |
2.1 |
shift @ARGV for (1..6); |
46 |
|
|
} elsif ("$ARGV[0]" =~ /^[-+]./) { |
47 |
|
|
userror(); |
48 |
|
|
} else { |
49 |
|
|
last; |
50 |
|
|
} |
51 |
|
|
shift @ARGV; |
52 |
|
|
} |
53 |
greg |
2.9 |
# Check that we're actually being asked to do something |
54 |
|
|
die "Must have at least one of +forward or +backward" if (!$doforw && !$doback); |
55 |
greg |
2.1 |
# Get scene description and dimensions |
56 |
|
|
my $radscn = "$td/device.rad"; |
57 |
|
|
my $mgfscn = "$td/device.mgf"; |
58 |
|
|
my $octree = "$td/device.oct"; |
59 |
|
|
if ( $mgfin ) { |
60 |
|
|
system "mgfilt '#,o,xf,c,cxy,cspec,cmix,m,sides,rd,td,rs,ts,ir,v,p,n,f,fh,sph,cyl,cone,prism,ring,torus' @ARGV > $mgfscn"; |
61 |
|
|
die "Could not load MGF input\n" if ( $? ); |
62 |
|
|
system "mgf2rad $mgfscn > $radscn"; |
63 |
|
|
} else { |
64 |
|
|
system "cat @ARGV | xform -e > $radscn"; |
65 |
|
|
die "Could not load Radiance input\n" if ( $? ); |
66 |
|
|
system "rad2mgf $radscn > $mgfscn" if ( $geout ); |
67 |
|
|
} |
68 |
|
|
if ($#dim != 5) { |
69 |
greg |
2.7 |
@dim = split ' ', `getbbox -h $radscn`; |
70 |
greg |
2.1 |
} |
71 |
|
|
print STDERR "Warning: Device extends into room\n" if ($dim[5] > 1e-5); |
72 |
greg |
2.9 |
# Add receiver surfaces (rectangular) |
73 |
greg |
2.10 |
my $fmodnm="receiver_face"; |
74 |
greg |
2.9 |
my $bmodnm="receiver_behind"; |
75 |
greg |
2.1 |
open(RADSCN, ">> $radscn"); |
76 |
greg |
2.10 |
print RADSCN "void glow $fmodnm\n0\n0\n4 1 1 1 0\n\n"; |
77 |
|
|
print RADSCN "$fmodnm source f_receiver\n0\n0\n4 0 0 1 180\n"; |
78 |
|
|
print RADSCN "void glow $bmodnm\n0\n0\n4 1 1 1 0\n\n"; |
79 |
|
|
print RADSCN "$bmodnm source b_receiver\n0\n0\n4 0 0 -1 180\n"; |
80 |
greg |
2.1 |
close RADSCN; |
81 |
|
|
# Generate octree |
82 |
|
|
system "oconv -w $radscn > $octree"; |
83 |
|
|
die "Could not compile scene\n" if ( $? ); |
84 |
greg |
2.9 |
# Set up sampling of interior portal |
85 |
greg |
2.1 |
# Kbin to produce incident direction in full Klems basis with (x1,x2) randoms |
86 |
|
|
my $tcal = ' |
87 |
|
|
DEGREE : PI/180; |
88 |
greg |
2.5 |
sq(x) : x*x; |
89 |
greg |
2.1 |
Kpola(r) : select(r+1, -5, 5, 15, 25, 35, 45, 55, 65, 75, 90); |
90 |
|
|
Knaz(r) : select(r, 1, 8, 16, 20, 24, 24, 24, 16, 12); |
91 |
|
|
Kaccum(r) : if(r-.5, Knaz(r) + Kaccum(r-1), 0); |
92 |
|
|
Kmax : Kaccum(Knaz(0)); |
93 |
|
|
Kfindrow(r, rem) : if(rem-Knaz(r)+.5, Kfindrow(r+1, rem-Knaz(r)), r); |
94 |
|
|
Krow = if(Kbin-(Kmax-.5), 0, Kfindrow(1, Kbin)); |
95 |
|
|
Kcol = Kbin - Kaccum(Krow-1); |
96 |
greg |
2.2 |
Kazi = 360*DEGREE * (Kcol + (.5 - x2)) / Knaz(Krow); |
97 |
greg |
2.1 |
Kpol = DEGREE * (x1*Kpola(Krow) + (1-x1)*Kpola(Krow-1)); |
98 |
|
|
sin_kpol = sin(Kpol); |
99 |
greg |
2.9 |
Dx = cos(Kazi)*sin_kpol; |
100 |
greg |
2.1 |
Dy = sin(Kazi)*sin_kpol; |
101 |
|
|
Dz = sqrt(1 - sin_kpol*sin_kpol); |
102 |
greg |
2.5 |
KprojOmega = PI * if(Kbin-.5, |
103 |
|
|
(sq(cos(Kpola(Krow-1)*DEGREE)) - sq(cos(Kpola(Krow)*DEGREE)))/Knaz(Krow), |
104 |
|
|
1 - sq(cos(Kpola(1)*DEGREE))); |
105 |
greg |
2.1 |
'; |
106 |
greg |
2.9 |
# Compute Klems bin from exiting ray direction (forward or backward) |
107 |
greg |
2.1 |
my $kcal = ' |
108 |
|
|
DEGREE : PI/180; |
109 |
|
|
Acos(x) : 1/DEGREE * if(x-1, 0, if(-1-x, 0, acos(x))); |
110 |
|
|
posangle(a) : if(-a, a + 2*PI, a); |
111 |
|
|
Atan2(y,x) : 1/DEGREE * posangle(atan2(y,x)); |
112 |
|
|
kpola(r) : select(r, 5, 15, 25, 35, 45, 55, 65, 75, 90); |
113 |
|
|
knaz(r) : select(r, 1, 8, 16, 20, 24, 24, 24, 16, 12); |
114 |
|
|
kaccum(r) : if(r-.5, knaz(r) + kaccum(r-1), 0); |
115 |
|
|
kfindrow(r, pol) : if(r-kpola(0)+.5, r, |
116 |
|
|
if(pol-kpola(r), kfindrow(r+1, pol), r) ); |
117 |
|
|
kazn(azi,inc) : if((360-.5*inc)-azi, floor((azi+.5*inc)/inc), 0); |
118 |
|
|
kbin2(pol,azi) = select(kfindrow(1, pol), |
119 |
|
|
kazn(azi,360/knaz(1)), |
120 |
|
|
kaccum(1) + kazn(azi,360/knaz(2)), |
121 |
|
|
kaccum(2) + kazn(azi,360/knaz(3)), |
122 |
|
|
kaccum(3) + kazn(azi,360/knaz(4)), |
123 |
|
|
kaccum(4) + kazn(azi,360/knaz(5)), |
124 |
|
|
kaccum(5) + kazn(azi,360/knaz(6)), |
125 |
|
|
kaccum(6) + kazn(azi,360/knaz(7)), |
126 |
|
|
kaccum(7) + kazn(azi,360/knaz(8)), |
127 |
|
|
kaccum(8) + kazn(azi,360/knaz(9)) |
128 |
|
|
); |
129 |
greg |
2.9 |
kbin = if(Dz, kbin2(Acos(Dz),Atan2(Dy,Dx)), kbin2(Acos(-Dz),Atan2(-Dy,-Dx))); |
130 |
greg |
2.1 |
'; |
131 |
|
|
my $ndiv = 145; |
132 |
|
|
my $nx = int(sqrt($nsamp*($dim[1]-$dim[0])/($dim[3]-$dim[2])) + .5); |
133 |
|
|
my $ny = int($nsamp/$nx + .5); |
134 |
|
|
$nsamp = $nx * $ny; |
135 |
greg |
2.3 |
# Compute scattering data using rtcontrib |
136 |
greg |
2.9 |
my @tfarr; |
137 |
|
|
my @rfarr; |
138 |
|
|
my @tbarr; |
139 |
|
|
my @rbarr; |
140 |
|
|
my $cmd; |
141 |
|
|
my $rtcmd = "rtcontrib -h -ff -fo -n $nproc -c $nsamp " . |
142 |
|
|
"-e '$kcal' -b kbin -bn $ndiv " . |
143 |
|
|
"-o '$td/%s.flt' -m $fmodnm -m $bmodnm $rtargs $octree"; |
144 |
|
|
my $rccmd = "rcalc -e '$tcal' " . |
145 |
|
|
"-e 'mod(n,d):n-floor(n/d)*d' -e 'Kbin=mod(recno-.999,$ndiv)' " . |
146 |
|
|
q{-if3 -e '$1=(0.265*$1+0.670*$2+0.065*$3)/KprojOmega'}; |
147 |
|
|
if ( $doforw ) { |
148 |
|
|
$cmd = "cnt $ndiv $ny $nx | rcalc -of -e '$tcal' " . |
149 |
greg |
2.3 |
"-e 'xp=(\$3+rand(.35*recno-15))*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . |
150 |
|
|
"-e 'yp=(\$2+rand(.86*recno+11))*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . |
151 |
greg |
2.10 |
"-e 'zp:$dim[4]' " . |
152 |
greg |
2.3 |
q{-e 'Kbin=$1;x1=rand(1.21*recno+2.75);x2=rand(-3.55*recno-7.57)' } . |
153 |
greg |
2.10 |
q{-e '$1=xp-Dx;$2=yp-Dy;$3=zp-Dz;$4=Dx;$5=Dy;$6=Dz' } . |
154 |
greg |
2.9 |
"| $rtcmd"; |
155 |
|
|
system "$cmd" || die "Failure running: $cmd\n"; |
156 |
|
|
@tfarr = `$rccmd $td/$fmodnm.flt`; |
157 |
|
|
die "Failure running: $rccmd $td/$fmodnm.flt\n" if ( $? ); |
158 |
|
|
@rfarr = `$rccmd $td/$bmodnm.flt`; |
159 |
|
|
die "Failure running: $rccmd $td/$bmodnm.flt\n" if ( $? ); |
160 |
|
|
} |
161 |
|
|
if ( $doback ) { |
162 |
|
|
$cmd = "cnt $ndiv $ny $nx | rcalc -of -e '$tcal' " . |
163 |
|
|
"-e 'xp=(\$3+rand(.35*recno-15))*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . |
164 |
|
|
"-e 'yp=(\$2+rand(.86*recno+11))*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . |
165 |
greg |
2.10 |
"-e 'zp:$dim[5]' " . |
166 |
greg |
2.9 |
q{-e 'Kbin=$1;x1=rand(1.21*recno+2.75);x2=rand(-3.55*recno-7.57)' } . |
167 |
greg |
2.10 |
q{-e '$1=xp+Dx;$2=yp+Dy;$3=zp+Dz;$4=-Dx;$5=-Dy;$6=-Dz' } . |
168 |
greg |
2.9 |
"| $rtcmd"; |
169 |
|
|
system "$cmd" || die "Failure running: $cmd\n"; |
170 |
|
|
@tbarr = `$rccmd $td/$bmodnm.flt`; |
171 |
|
|
die "Failure running: $rccmd $td/$bmodnm.flt\n" if ( $? ); |
172 |
|
|
@rbarr = `$rccmd $td/$fmodnm.flt`; |
173 |
|
|
die "Failure running: $rccmd $td/$fmodnm.flt\n" if ( $? ); |
174 |
|
|
} |
175 |
greg |
2.1 |
# Output XML prologue |
176 |
|
|
print |
177 |
|
|
'<?xml version="1.0" encoding="UTF-8"?> |
178 |
|
|
<WindowElement xmlns="http://windows.lbl.gov" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://windows.lbl.gov/BSDF-v1.4.xsd"> |
179 |
|
|
<WindowElementType>System</WindowElementType> |
180 |
|
|
<Optical> |
181 |
|
|
<Layer> |
182 |
|
|
<Material> |
183 |
|
|
<Name>Name</Name> |
184 |
|
|
<Manufacturer>Manufacturer</Manufacturer> |
185 |
|
|
'; |
186 |
|
|
printf "\t\t\t<Thickness unit=\"Meter\">%.3f</Thickness>\n", $dim[5] - $dim[4]; |
187 |
|
|
printf "\t\t\t<Width unit=\"Meter\">%.3f</Width>\n", $dim[1] - $dim[0]; |
188 |
|
|
printf "\t\t\t<Height unit=\"Meter\">%.3f</Height>\n", $dim[3] - $dim[2]; |
189 |
|
|
print "\t\t\t<DeviceType>Integral</DeviceType>\n"; |
190 |
|
|
# Output MGF description if requested |
191 |
|
|
if ( $geout ) { |
192 |
|
|
print "\t\t\t<Geometry format=\"MGF\" unit=\"Meter\">\n"; |
193 |
|
|
printf "xf -t %.6f %.6f 0\n", -($dim[0]+$dim[1])/2, -($dim[2]+$dim[3])/2; |
194 |
|
|
system "cat $mgfscn"; |
195 |
|
|
print "xf\n"; |
196 |
|
|
print "\t\t\t</Geometry>\n"; |
197 |
|
|
} |
198 |
|
|
print ' </Material> |
199 |
|
|
<DataDefinition> |
200 |
|
|
<IncidentDataStructure>Columns</IncidentDataStructure> |
201 |
|
|
<AngleBasis> |
202 |
|
|
<AngleBasisName>LBNL/Klems Full</AngleBasisName> |
203 |
|
|
<AngleBasisBlock> |
204 |
|
|
<Theta>0</Theta> |
205 |
|
|
<nPhis>1</nPhis> |
206 |
|
|
<ThetaBounds> |
207 |
|
|
<LowerTheta>0</LowerTheta> |
208 |
|
|
<UpperTheta>5</UpperTheta> |
209 |
|
|
</ThetaBounds> |
210 |
|
|
</AngleBasisBlock> |
211 |
|
|
<AngleBasisBlock> |
212 |
|
|
<Theta>10</Theta> |
213 |
|
|
<nPhis>8</nPhis> |
214 |
|
|
<ThetaBounds> |
215 |
|
|
<LowerTheta>5</LowerTheta> |
216 |
|
|
<UpperTheta>15</UpperTheta> |
217 |
|
|
</ThetaBounds> |
218 |
|
|
</AngleBasisBlock> |
219 |
|
|
<AngleBasisBlock> |
220 |
|
|
<Theta>20</Theta> |
221 |
|
|
<nPhis>16</nPhis> |
222 |
|
|
<ThetaBounds> |
223 |
|
|
<LowerTheta>15</LowerTheta> |
224 |
|
|
<UpperTheta>25</UpperTheta> |
225 |
|
|
</ThetaBounds> |
226 |
|
|
</AngleBasisBlock> |
227 |
|
|
<AngleBasisBlock> |
228 |
|
|
<Theta>30</Theta> |
229 |
|
|
<nPhis>20</nPhis> |
230 |
|
|
<ThetaBounds> |
231 |
|
|
<LowerTheta>25</LowerTheta> |
232 |
|
|
<UpperTheta>35</UpperTheta> |
233 |
|
|
</ThetaBounds> |
234 |
|
|
</AngleBasisBlock> |
235 |
|
|
<AngleBasisBlock> |
236 |
|
|
<Theta>40</Theta> |
237 |
|
|
<nPhis>24</nPhis> |
238 |
|
|
<ThetaBounds> |
239 |
|
|
<LowerTheta>35</LowerTheta> |
240 |
|
|
<UpperTheta>45</UpperTheta> |
241 |
|
|
</ThetaBounds> |
242 |
|
|
</AngleBasisBlock> |
243 |
|
|
<AngleBasisBlock> |
244 |
|
|
<Theta>50</Theta> |
245 |
|
|
<nPhis>24</nPhis> |
246 |
|
|
<ThetaBounds> |
247 |
|
|
<LowerTheta>45</LowerTheta> |
248 |
|
|
<UpperTheta>55</UpperTheta> |
249 |
|
|
</ThetaBounds> |
250 |
|
|
</AngleBasisBlock> |
251 |
|
|
<AngleBasisBlock> |
252 |
|
|
<Theta>60</Theta> |
253 |
|
|
<nPhis>24</nPhis> |
254 |
|
|
<ThetaBounds> |
255 |
|
|
<LowerTheta>55</LowerTheta> |
256 |
|
|
<UpperTheta>65</UpperTheta> |
257 |
|
|
</ThetaBounds> |
258 |
|
|
</AngleBasisBlock> |
259 |
|
|
<AngleBasisBlock> |
260 |
|
|
<Theta>70</Theta> |
261 |
|
|
<nPhis>16</nPhis> |
262 |
|
|
<ThetaBounds> |
263 |
|
|
<LowerTheta>65</LowerTheta> |
264 |
|
|
<UpperTheta>75</UpperTheta> |
265 |
|
|
</ThetaBounds> |
266 |
|
|
</AngleBasisBlock> |
267 |
|
|
<AngleBasisBlock> |
268 |
|
|
<Theta>82.5</Theta> |
269 |
|
|
<nPhis>12</nPhis> |
270 |
|
|
<ThetaBounds> |
271 |
|
|
<LowerTheta>75</LowerTheta> |
272 |
|
|
<UpperTheta>90</UpperTheta> |
273 |
|
|
</ThetaBounds> |
274 |
|
|
</AngleBasisBlock> |
275 |
|
|
</AngleBasis> |
276 |
|
|
</DataDefinition> |
277 |
greg |
2.9 |
'; |
278 |
|
|
if ( $doforw ) { |
279 |
|
|
print ' <WavelengthData> |
280 |
|
|
<LayerNumber>System</LayerNumber> |
281 |
|
|
<Wavelength unit="Integral">Visible</Wavelength> |
282 |
|
|
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
283 |
|
|
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
284 |
|
|
<WavelengthDataBlock> |
285 |
|
|
<WavelengthDataDirection>Transmission Front</WavelengthDataDirection> |
286 |
|
|
<ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> |
287 |
|
|
<RowAngleBasis>LBNL/Klems Full</RowAngleBasis> |
288 |
|
|
<ScatteringDataType>BTDF</ScatteringDataType> |
289 |
|
|
<ScatteringData> |
290 |
|
|
'; |
291 |
|
|
# Output front transmission (transposed order) |
292 |
|
|
for (my $od = 0; $od < $ndiv; $od++) { |
293 |
|
|
for (my $id = 0; $id < $ndiv; $id++) { |
294 |
|
|
print $tfarr[$ndiv*$id + $od]; |
295 |
|
|
} |
296 |
|
|
print "\n"; |
297 |
|
|
} |
298 |
|
|
print |
299 |
|
|
' </ScatteringData> |
300 |
|
|
</WavelengthDataBlock> |
301 |
|
|
</WavelengthData> |
302 |
greg |
2.1 |
<WavelengthData> |
303 |
|
|
<LayerNumber>System</LayerNumber> |
304 |
|
|
<Wavelength unit="Integral">Visible</Wavelength> |
305 |
|
|
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
306 |
|
|
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
307 |
|
|
<WavelengthDataBlock> |
308 |
greg |
2.9 |
<WavelengthDataDirection>Reflection Front</WavelengthDataDirection> |
309 |
|
|
<ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> |
310 |
|
|
<RowAngleBasis>LBNL/Klems Full</RowAngleBasis> |
311 |
|
|
<ScatteringDataType>BRDF</ScatteringDataType> |
312 |
|
|
<ScatteringData> |
313 |
|
|
'; |
314 |
|
|
# Output front reflection (transposed order) |
315 |
|
|
for (my $od = 0; $od < $ndiv; $od++) { |
316 |
|
|
for (my $id = 0; $id < $ndiv; $id++) { |
317 |
|
|
print $rfarr[$ndiv*$id + $od]; |
318 |
|
|
} |
319 |
|
|
print "\n"; |
320 |
|
|
} |
321 |
|
|
print |
322 |
|
|
' </ScatteringData> |
323 |
|
|
</WavelengthDataBlock> |
324 |
|
|
</WavelengthData> |
325 |
|
|
'; |
326 |
|
|
} |
327 |
|
|
if ( $doback ) { |
328 |
|
|
print ' <WavelengthData> |
329 |
|
|
<LayerNumber>System</LayerNumber> |
330 |
|
|
<Wavelength unit="Integral">Visible</Wavelength> |
331 |
|
|
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
332 |
|
|
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
333 |
|
|
<WavelengthDataBlock> |
334 |
|
|
<WavelengthDataDirection>Transmission Back</WavelengthDataDirection> |
335 |
greg |
2.1 |
<ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> |
336 |
|
|
<RowAngleBasis>LBNL/Klems Full</RowAngleBasis> |
337 |
|
|
<ScatteringDataType>BTDF</ScatteringDataType> |
338 |
|
|
<ScatteringData> |
339 |
|
|
'; |
340 |
greg |
2.9 |
# Output back transmission (transposed order) |
341 |
greg |
2.3 |
for (my $od = 0; $od < $ndiv; $od++) { |
342 |
|
|
for (my $id = 0; $id < $ndiv; $id++) { |
343 |
greg |
2.9 |
print $tbarr[$ndiv*$id + $od]; |
344 |
|
|
} |
345 |
|
|
print "\n"; |
346 |
|
|
} |
347 |
|
|
print |
348 |
|
|
' </ScatteringData> |
349 |
|
|
</WavelengthDataBlock> |
350 |
|
|
</WavelengthData> |
351 |
|
|
<WavelengthData> |
352 |
|
|
<LayerNumber>System</LayerNumber> |
353 |
|
|
<Wavelength unit="Integral">Visible</Wavelength> |
354 |
|
|
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
355 |
|
|
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
356 |
|
|
<WavelengthDataBlock> |
357 |
|
|
<WavelengthDataDirection>Reflection Back</WavelengthDataDirection> |
358 |
|
|
<ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> |
359 |
|
|
<RowAngleBasis>LBNL/Klems Full</RowAngleBasis> |
360 |
|
|
<ScatteringDataType>BRDF</ScatteringDataType> |
361 |
|
|
<ScatteringData> |
362 |
|
|
'; |
363 |
|
|
# Output back reflection (transposed order) |
364 |
|
|
for (my $od = 0; $od < $ndiv; $od++) { |
365 |
|
|
for (my $id = 0; $id < $ndiv; $id++) { |
366 |
|
|
print $rbarr[$ndiv*$id + $od]; |
367 |
greg |
2.3 |
} |
368 |
|
|
print "\n"; |
369 |
|
|
} |
370 |
greg |
2.1 |
print |
371 |
|
|
' </ScatteringData> |
372 |
|
|
</WavelengthDataBlock> |
373 |
|
|
</WavelengthData> |
374 |
greg |
2.9 |
'; |
375 |
|
|
} |
376 |
|
|
# Output XML epilogue |
377 |
|
|
print '</Layer> |
378 |
greg |
2.1 |
</Optical> |
379 |
|
|
</WindowElement> |
380 |
|
|
'; |
381 |
|
|
# Clean up temporary files |
382 |
|
|
system "rm -rf $td"; |