8 |
|
use strict; |
9 |
|
use File::Temp qw/ :mktemp /; |
10 |
|
sub userror { |
11 |
< |
print STDERR "Usage: genBSDF [-n Nproc][-c Nsamp][-t{3|4} Nlog2][-r \"ropts\"][-dim xmin xmax ymin ymax zmin zmax][{+|-}f][{+|-}b][{+|-}mgf][{+|-}geom] [input ..]\n"; |
11 |
> |
print STDERR "Usage: genBSDF [-n Nproc][-c Nsamp][-t{3|4} Nlog2][-r \"ropts\"][-dim xmin xmax ymin ymax zmin zmax][{+|-}f][{+|-}b][{+|-}mgf][{+|-}geom units] [input ..]\n"; |
12 |
|
exit 1; |
13 |
|
} |
14 |
|
my $td = mkdtemp("/tmp/genBSDF.XXXXXX"); |
15 |
|
chomp $td; |
16 |
+ |
my @savedARGV = @ARGV; |
17 |
|
my $tensortree = 0; |
18 |
|
my $ttlog2 = 4; |
19 |
< |
my $nsamp = 1000; |
19 |
> |
my $nsamp = 2000; |
20 |
|
my $rtargs = "-w -ab 5 -ad 700 -lw 3e-6"; |
21 |
|
my $mgfin = 0; |
22 |
|
my $geout = 1; |
23 |
|
my $nproc = 1; |
24 |
|
my $doforw = 0; |
25 |
|
my $doback = 1; |
26 |
+ |
my $pctcull = 90; |
27 |
+ |
my $gunit = "Meter"; |
28 |
|
my @dim; |
29 |
|
# Get options |
30 |
|
while ($#ARGV >= 0) { |
35 |
|
shift @ARGV; |
36 |
|
} elsif ("$ARGV[0]" =~ /^[-+]g/) { |
37 |
|
$geout = ("$ARGV[0]" =~ /^\+/); |
38 |
+ |
$gunit = $ARGV[1]; |
39 |
+ |
if ($gunit !~ /^(?i)(meter|foot|inch|centimeter|millimeter)$/) { |
40 |
+ |
die "Illegal geometry unit '$gunit': must be meter, foot, inch, centimeter, or millimeter\n"; |
41 |
+ |
} |
42 |
+ |
shift @ARGV; |
43 |
|
} elsif ("$ARGV[0]" =~ /^[-+]f/) { |
44 |
|
$doforw = ("$ARGV[0]" =~ /^\+/); |
45 |
|
} elsif ("$ARGV[0]" =~ /^[-+]b/) { |
46 |
|
$doback = ("$ARGV[0]" =~ /^\+/); |
47 |
+ |
} elsif ("$ARGV[0]" eq "-t") { |
48 |
+ |
# Use value < 0 for rttree_reduce bypass |
49 |
+ |
$pctcull = $ARGV[1]; |
50 |
+ |
shift @ARGV; |
51 |
|
} elsif ("$ARGV[0]" =~ /^-t[34]$/) { |
52 |
|
$tensortree = substr($ARGV[0], 2, 1); |
53 |
|
$ttlog2 = $ARGV[1]; |
110 |
|
print |
111 |
|
'<?xml version="1.0" encoding="UTF-8"?> |
112 |
|
<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"> |
113 |
< |
<WindowElementType>System</WindowElementType> |
113 |
> |
'; |
114 |
> |
print "<!-- File produced by: genBSDF @savedARGV -->\n"; |
115 |
> |
print |
116 |
> |
'<WindowElementType>System</WindowElementType> |
117 |
|
<Optical> |
118 |
|
<Layer> |
119 |
|
<Material> |
120 |
|
<Name>Name</Name> |
121 |
|
<Manufacturer>Manufacturer</Manufacturer> |
122 |
|
'; |
123 |
< |
printf "\t\t<Thickness unit=\"Meter\">%.3f</Thickness>\n", $dim[5] - $dim[4]; |
124 |
< |
printf "\t\t<Width unit=\"Meter\">%.3f</Width>\n", $dim[1] - $dim[0]; |
125 |
< |
printf "\t\t<Height unit=\"Meter\">%.3f</Height>\n", $dim[3] - $dim[2]; |
123 |
> |
printf "\t\t<Thickness unit=\"$gunit\">%.3f</Thickness>\n", $dim[5] - $dim[4]; |
124 |
> |
printf "\t\t<Width unit=\"$gunit\">%.3f</Width>\n", $dim[1] - $dim[0]; |
125 |
> |
printf "\t\t<Height unit=\"$gunit\">%.3f</Height>\n", $dim[3] - $dim[2]; |
126 |
|
print "\t\t<DeviceType>Integral</DeviceType>\n"; |
127 |
|
# Output MGF description if requested |
128 |
|
if ( $geout ) { |
129 |
< |
print "\t\t<Geometry format=\"MGF\" unit=\"Meter\">\n"; |
129 |
> |
print "\t\t<Geometry format=\"MGF\" unit=\"$gunit\">\n"; |
130 |
|
printf "xf -t %.6f %.6f 0\n", -($dim[0]+$dim[1])/2, -($dim[2]+$dim[3])/2; |
131 |
|
open(MGFSCN, "< $mgfscn"); |
132 |
|
while (<MGFSCN>) { print $_; } |
154 |
|
</WindowElement> |
155 |
|
'; |
156 |
|
# Clean up temporary files and exit |
142 |
– |
if ( $persistfile && open(PFI, "< $persistfile") ) { |
143 |
– |
while (<PFI>) { |
144 |
– |
s/^[^ ]* //; |
145 |
– |
kill('ALRM', $_); |
146 |
– |
last; |
147 |
– |
} |
148 |
– |
close PFI; |
149 |
– |
} |
157 |
|
exec("rm -rf $td"); |
158 |
|
|
159 |
|
#-------------- End of main program segment --------------# |
160 |
|
|
161 |
+ |
#++++++++++++++ Kill persistent rtrace +++++++++++++++++++# |
162 |
+ |
sub persist_end { |
163 |
+ |
if ( $persistfile && open(PFI, "< $persistfile") ) { |
164 |
+ |
while (<PFI>) { |
165 |
+ |
s/^[^ ]* //; |
166 |
+ |
kill('ALRM', $_); |
167 |
+ |
last; |
168 |
+ |
} |
169 |
+ |
close PFI; |
170 |
+ |
} |
171 |
+ |
} |
172 |
+ |
|
173 |
|
#++++++++++++++ Tensor tree BSDF generation ++++++++++++++# |
174 |
|
sub do_tree_bsdf { |
175 |
|
# Get sampling rate and subdivide task |
176 |
|
my $ns2 = $ns; |
177 |
|
$ns2 /= 2 if ( $tensortree == 3 ); |
178 |
< |
@pdiv = (0, int($ns2/$nproc)); |
179 |
< |
my $nrem = $ns2 % $nproc; |
180 |
< |
for (my $i = 1; $i < $nproc; $i++) { |
178 |
> |
my $nsplice = $nproc; |
179 |
> |
$nsplice *= 10 if ($nproc > 1); |
180 |
> |
$nsplice = $ns2 if ($nsplice > $ns2); |
181 |
> |
$nsplice = 999 if ($nsplice > 999); |
182 |
> |
@pdiv = (0, int($ns2/$nsplice)); |
183 |
> |
my $nrem = $ns2 % $nsplice; |
184 |
> |
for (my $i = 1; $i < $nsplice; $i++) { |
185 |
|
my $nv = $pdiv[$i] + $pdiv[1]; |
186 |
|
++$nv if ( $nrem-- > 0 ); |
187 |
|
push @pdiv, $nv; |
230 |
|
print "\t\t<IncidentDataStructure>TensorTree$tensortree</IncidentDataStructure>\n"; |
231 |
|
print "\t</DataDefinition>\n"; |
232 |
|
# Fork parallel rtcontrib processes to compute each side |
233 |
+ |
my $npleft = $nproc; |
234 |
|
if ( $doback ) { |
235 |
< |
for (my $proc = 0; $proc < $nproc; $proc++) { |
236 |
< |
bg_tree_rtcontrib(0, $proc); |
235 |
> |
for (my $splice = 0; $splice < $nsplice; $splice++) { |
236 |
> |
if (! $npleft ) { |
237 |
> |
wait(); |
238 |
> |
die "rtcontrib process reported error" if ( $? ); |
239 |
> |
$npleft++; |
240 |
> |
} |
241 |
> |
bg_tree_rtcontrib(0, $splice); |
242 |
> |
$npleft--; |
243 |
|
} |
244 |
|
while (wait() >= 0) { |
245 |
|
die "rtcontrib process reported error" if ( $? ); |
246 |
+ |
$npleft++; |
247 |
|
} |
248 |
+ |
persist_end(); |
249 |
|
ttree_out(0); |
250 |
|
} |
251 |
|
if ( $doforw ) { |
252 |
< |
for (my $proc = 0; $proc < $nproc; $proc++) { |
253 |
< |
bg_tree_rtcontrib(1, $proc); |
252 |
> |
for (my $splice = 0; $splice < $nsplice; $splice++) { |
253 |
> |
if (! $npleft ) { |
254 |
> |
wait(); |
255 |
> |
die "rtcontrib process reported error" if ( $? ); |
256 |
> |
$npleft++; |
257 |
> |
} |
258 |
> |
bg_tree_rtcontrib(1, $splice); |
259 |
> |
$npleft--; |
260 |
|
} |
261 |
|
while (wait() >= 0) { |
262 |
|
die "rtcontrib process reported error" if ( $? ); |
263 |
+ |
$npleft++; |
264 |
|
} |
265 |
+ |
persist_end(); |
266 |
|
ttree_out(1); |
267 |
|
} |
268 |
|
} # end of sub do_tree_bsdf() |
269 |
|
|
270 |
< |
# Run i'th rtcontrib process for generating tensor tree samples |
270 |
> |
# Run rtcontrib process in background to generate tensor tree samples |
271 |
|
sub bg_tree_rtcontrib { |
272 |
|
my $pid = fork(); |
273 |
|
die "Cannot fork new process" unless defined $pid; |
322 |
|
sub ttree_out { |
323 |
|
my $forw = shift; |
324 |
|
my $side = ("Back","Front")[$forw]; |
325 |
+ |
my $cmd; |
326 |
|
# Only output one transmitted distribution, preferring backwards |
327 |
|
if ( !$forw || !$doback ) { |
328 |
|
print |
337 |
|
<ScatteringDataType>BTDF</ScatteringDataType> |
338 |
|
<ScatteringData> |
339 |
|
'; |
340 |
< |
system "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
341 |
< |
q{-e '$1=(0.265*$1+0.670*$2+0.065*$3)/Omega' -of } . |
342 |
< |
"$td/" . ($bmodnm,$fmodnm)[$forw] . "_???.flt " . |
343 |
< |
"| rttree_reduce -h -ff -r $tensortree -g $ttlog2"; |
344 |
< |
die "Failure running rttree_reduce" if ( $? ); |
340 |
> |
$cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
341 |
> |
q{-e '$1=(0.265*$1+0.670*$2+0.065*$3)/Omega' }; |
342 |
> |
if ($pctcull >= 0) { |
343 |
> |
$cmd .= "-of $td/" . ($bmodnm,$fmodnm)[$forw] . "_???.flt " . |
344 |
> |
"| rttree_reduce -a -h -ff -t $pctcull -r $tensortree -g $ttlog2"; |
345 |
> |
system "$cmd" || die "Failure running rttree_reduce"; |
346 |
> |
} else { |
347 |
> |
$cmd .= "$td/" . ($bmodnm,$fmodnm)[$forw] . "_???.flt"; |
348 |
> |
print "{\n"; |
349 |
> |
system "$cmd" || die "Failure running rcalc"; |
350 |
> |
for (my $i = ($tensortree==3)*$ns*$ns*$ns/2; $i-- > 0; ) { |
351 |
> |
print "0\n"; |
352 |
> |
} |
353 |
> |
print "}\n"; |
354 |
> |
} |
355 |
|
print |
356 |
|
' </ScatteringData> |
357 |
|
</WavelengthDataBlock> |
368 |
|
<WavelengthDataBlock> |
369 |
|
'; |
370 |
|
print "\t\t\t<WavelengthDataDirection>Reflection $side</WavelengthDataDirection>\n"; |
371 |
< |
print ' |
372 |
< |
<AngleBasis>LBNL/Shirley-Chiu</AngleBasis> |
371 |
> |
print |
372 |
> |
' <AngleBasis>LBNL/Shirley-Chiu</AngleBasis> |
373 |
|
<ScatteringDataType>BRDF</ScatteringDataType> |
374 |
|
<ScatteringData> |
375 |
|
'; |
376 |
< |
system "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
377 |
< |
q{-e '$1=(0.265*$1+0.670*$2+0.065*$3)/Omega' -of } . |
378 |
< |
"$td/" . ($fmodnm,$bmodnm)[$forw] . "_???.flt " . |
379 |
< |
"| rttree_reduce -h -ff -r $tensortree -g $ttlog2"; |
380 |
< |
die "Failure running rttree_reduce" if ( $? ); |
376 |
> |
$cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
377 |
> |
q{-e '$1=(0.265*$1+0.670*$2+0.065*$3)/Omega' }; |
378 |
> |
if ($pctcull >= 0) { |
379 |
> |
$cmd .= "-of $td/" . ($fmodnm,$bmodnm)[$forw] . "_???.flt " . |
380 |
> |
"| rttree_reduce -a -h -ff -t $pctcull -r $tensortree -g $ttlog2"; |
381 |
> |
system "$cmd" || die "Failure running rttree_reduce"; |
382 |
> |
} else { |
383 |
> |
$cmd .= "$td/" . ($fmodnm,$bmodnm)[$forw] . "_???.flt"; |
384 |
> |
print "{\n"; |
385 |
> |
system "$cmd" || die "Failure running rcalc"; |
386 |
> |
for (my $i = ($tensortree==3)*$ns*$ns*$ns/2; $i-- > 0; ) { |
387 |
> |
print "0\n"; |
388 |
> |
} |
389 |
> |
print "}\n"; |
390 |
> |
} |
391 |
|
print |
392 |
|
' </ScatteringData> |
393 |
|
</WavelengthDataBlock> |
425 |
|
$kcal = ' |
426 |
|
DEGREE : PI/180; |
427 |
|
abs(x) : if(x, x, -x); |
428 |
< |
Acos(x) : 1/DEGREE * if(x-1, 0, if(-1-x, 0, acos(x))); |
428 |
> |
Acos(x) : if(x-1, 0, if(-1-x, PI, acos(x))) / DEGREE; |
429 |
|
posangle(a) : if(-a, a + 2*PI, a); |
430 |
< |
Atan2(y,x) : 1/DEGREE * posangle(atan2(y,x)); |
430 |
> |
Atan2(y,x) : posangle(atan2(y,x)) / DEGREE; |
431 |
|
kpola(r) : select(r, 5, 15, 25, 35, 45, 55, 65, 75, 90); |
432 |
|
knaz(r) : select(r, 1, 8, 16, 20, 24, 24, 24, 16, 12); |
433 |
|
kaccum(r) : if(r-.5, knaz(r) + kaccum(r-1), 0); |
459 |
|
"-o '$td/%s.flt' -m $fmodnm -m $bmodnm $octree"; |
460 |
|
my $rccmd = "rcalc -e '$tcal' " . |
461 |
|
"-e 'mod(n,d):n-floor(n/d)*d' -e 'Kbin=mod(recno-.999,$ndiv)' " . |
462 |
< |
q{-if3 -e '$1=(0.265*$1+0.670*$2+0.065*$3)/KprojOmega'}; |
462 |
> |
q{-if3 -e '$1=(0.265*$1+0.670*$2+0.065*$3)/KprojOmega' }; |
463 |
|
if ( $doforw ) { |
464 |
|
$cmd = "cnt $ndiv $ny $nx | rcalc -of -e '$tcal' " . |
465 |
|
"-e 'xp=(\$3+rand(.12*recno+288))*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . |
485 |
|
system "$cmd" || die "Failure running: $cmd\n"; |
486 |
|
@tbarr = `$rccmd $td/$bmodnm.flt`; |
487 |
|
die "Failure running: $rccmd $td/$bmodnm.flt\n" if ( $? ); |
488 |
+ |
chomp(@tbarr); |
489 |
|
@rbarr = `$rccmd $td/$fmodnm.flt`; |
490 |
|
die "Failure running: $rccmd $td/$fmodnm.flt\n" if ( $? ); |
491 |
+ |
chomp(@rbarr); |
492 |
|
} |
493 |
|
# Output angle basis |
494 |
|
print |
588 |
|
# Output front transmission (transposed order) |
589 |
|
for (my $od = 0; $od < $ndiv; $od++) { |
590 |
|
for (my $id = 0; $id < $ndiv; $id++) { |
591 |
< |
print $tfarr[$ndiv*$id + $od]; |
591 |
> |
print $tfarr[$ndiv*$id + $od], ",\n"; |
592 |
|
} |
593 |
|
print "\n"; |
594 |
|
} |
611 |
|
# Output front reflection (transposed order) |
612 |
|
for (my $od = 0; $od < $ndiv; $od++) { |
613 |
|
for (my $id = 0; $id < $ndiv; $id++) { |
614 |
< |
print $rfarr[$ndiv*$id + $od]; |
614 |
> |
print $rfarr[$ndiv*$id + $od], ",\n"; |
615 |
|
} |
616 |
|
print "\n"; |
617 |
|
} |
638 |
|
# Output back transmission (transposed order) |
639 |
|
for (my $od = 0; $od < $ndiv; $od++) { |
640 |
|
for (my $id = 0; $id < $ndiv; $id++) { |
641 |
< |
print $tbarr[$ndiv*$id + $od]; |
641 |
> |
print $tbarr[$ndiv*$id + $od], ",\n"; |
642 |
|
} |
643 |
|
print "\n"; |
644 |
|
} |
661 |
|
# Output back reflection (transposed order) |
662 |
|
for (my $od = 0; $od < $ndiv; $od++) { |
663 |
|
for (my $id = 0; $id < $ndiv; $id++) { |
664 |
< |
print $rbarr[$ndiv*$id + $od]; |
664 |
> |
print $rbarr[$ndiv*$id + $od], ",\n"; |
665 |
|
} |
666 |
|
print "\n"; |
667 |
|
} |