| 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 $gunit = "Meter"; |
| 27 |
|
my @dim; |
| 28 |
|
# Get options |
| 29 |
|
while ($#ARGV >= 0) { |
| 34 |
|
shift @ARGV; |
| 35 |
|
} elsif ("$ARGV[0]" =~ /^[-+]g/) { |
| 36 |
|
$geout = ("$ARGV[0]" =~ /^\+/); |
| 37 |
+ |
$gunit = $ARGV[1]; |
| 38 |
+ |
if ($gunit !~ /^(?i)(meter|foot|inch|centimeter|millimeter)$/) { |
| 39 |
+ |
die "Illegal geometry unit '$gunit': must be meter, foot, inch, centimeter, or millimeter\n"; |
| 40 |
+ |
} |
| 41 |
+ |
shift @ARGV; |
| 42 |
|
} elsif ("$ARGV[0]" =~ /^[-+]f/) { |
| 43 |
|
$doforw = ("$ARGV[0]" =~ /^\+/); |
| 44 |
|
} elsif ("$ARGV[0]" =~ /^[-+]b/) { |
| 105 |
|
print |
| 106 |
|
'<?xml version="1.0" encoding="UTF-8"?> |
| 107 |
|
<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"> |
| 108 |
< |
<WindowElementType>System</WindowElementType> |
| 108 |
> |
'; |
| 109 |
> |
print "<!-- File produced by: genBSDF @savedARGV -->\n"; |
| 110 |
> |
print |
| 111 |
> |
'<WindowElementType>System</WindowElementType> |
| 112 |
|
<Optical> |
| 113 |
|
<Layer> |
| 114 |
|
<Material> |
| 115 |
|
<Name>Name</Name> |
| 116 |
|
<Manufacturer>Manufacturer</Manufacturer> |
| 117 |
|
'; |
| 118 |
< |
printf "\t\t<Thickness unit=\"Meter\">%.3f</Thickness>\n", $dim[5] - $dim[4]; |
| 119 |
< |
printf "\t\t<Width unit=\"Meter\">%.3f</Width>\n", $dim[1] - $dim[0]; |
| 120 |
< |
printf "\t\t<Height unit=\"Meter\">%.3f</Height>\n", $dim[3] - $dim[2]; |
| 118 |
> |
printf "\t\t<Thickness unit=\"$gunit\">%.3f</Thickness>\n", $dim[5] - $dim[4]; |
| 119 |
> |
printf "\t\t<Width unit=\"$gunit\">%.3f</Width>\n", $dim[1] - $dim[0]; |
| 120 |
> |
printf "\t\t<Height unit=\"$gunit\">%.3f</Height>\n", $dim[3] - $dim[2]; |
| 121 |
|
print "\t\t<DeviceType>Integral</DeviceType>\n"; |
| 122 |
|
# Output MGF description if requested |
| 123 |
|
if ( $geout ) { |
| 124 |
< |
print "\t\t<Geometry format=\"MGF\" unit=\"Meter\">\n"; |
| 124 |
> |
print "\t\t<Geometry format=\"MGF\" unit=\"$gunit\">\n"; |
| 125 |
|
printf "xf -t %.6f %.6f 0\n", -($dim[0]+$dim[1])/2, -($dim[2]+$dim[3])/2; |
| 126 |
|
open(MGFSCN, "< $mgfscn"); |
| 127 |
|
while (<MGFSCN>) { print $_; } |
| 149 |
|
</WindowElement> |
| 150 |
|
'; |
| 151 |
|
# 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 |
– |
} |
| 152 |
|
exec("rm -rf $td"); |
| 153 |
|
|
| 154 |
|
#-------------- End of main program segment --------------# |
| 155 |
|
|
| 156 |
+ |
#++++++++++++++ Kill persistent rtrace +++++++++++++++++++# |
| 157 |
+ |
sub persist_end { |
| 158 |
+ |
if ( $persistfile && open(PFI, "< $persistfile") ) { |
| 159 |
+ |
while (<PFI>) { |
| 160 |
+ |
s/^[^ ]* //; |
| 161 |
+ |
kill('ALRM', $_); |
| 162 |
+ |
last; |
| 163 |
+ |
} |
| 164 |
+ |
close PFI; |
| 165 |
+ |
} |
| 166 |
+ |
} |
| 167 |
+ |
|
| 168 |
|
#++++++++++++++ Tensor tree BSDF generation ++++++++++++++# |
| 169 |
|
sub do_tree_bsdf { |
| 170 |
|
# Get sampling rate and subdivide task |
| 171 |
|
my $ns2 = $ns; |
| 172 |
|
$ns2 /= 2 if ( $tensortree == 3 ); |
| 173 |
< |
@pdiv = (0, int($ns2/$nproc)); |
| 174 |
< |
my $nrem = $ns2 % $nproc; |
| 175 |
< |
for (my $i = 1; $i < $nproc; $i++) { |
| 173 |
> |
my $nsplice = $nproc; |
| 174 |
> |
$nsplice *= 10 if ($nproc > 1); |
| 175 |
> |
$nsplice = $ns2 if ($nsplice > $ns2); |
| 176 |
> |
$nsplice = 999 if ($nsplice > 999); |
| 177 |
> |
@pdiv = (0, int($ns2/$nsplice)); |
| 178 |
> |
my $nrem = $ns2 % $nsplice; |
| 179 |
> |
for (my $i = 1; $i < $nsplice; $i++) { |
| 180 |
|
my $nv = $pdiv[$i] + $pdiv[1]; |
| 181 |
|
++$nv if ( $nrem-- > 0 ); |
| 182 |
|
push @pdiv, $nv; |
| 225 |
|
print "\t\t<IncidentDataStructure>TensorTree$tensortree</IncidentDataStructure>\n"; |
| 226 |
|
print "\t</DataDefinition>\n"; |
| 227 |
|
# Fork parallel rtcontrib processes to compute each side |
| 228 |
+ |
my $npleft = $nproc; |
| 229 |
|
if ( $doback ) { |
| 230 |
< |
for (my $proc = 0; $proc < $nproc; $proc++) { |
| 231 |
< |
bg_tree_rtcontrib(0, $proc); |
| 230 |
> |
for (my $splice = 0; $splice < $nsplice; $splice++) { |
| 231 |
> |
if (! $npleft ) { |
| 232 |
> |
wait(); |
| 233 |
> |
die "rtcontrib process reported error" if ( $? ); |
| 234 |
> |
$npleft++; |
| 235 |
> |
} |
| 236 |
> |
bg_tree_rtcontrib(0, $splice); |
| 237 |
> |
$npleft--; |
| 238 |
|
} |
| 239 |
|
while (wait() >= 0) { |
| 240 |
|
die "rtcontrib process reported error" if ( $? ); |
| 241 |
+ |
$npleft++; |
| 242 |
|
} |
| 243 |
+ |
persist_end(); |
| 244 |
|
ttree_out(0); |
| 245 |
|
} |
| 246 |
|
if ( $doforw ) { |
| 247 |
< |
for (my $proc = 0; $proc < $nproc; $proc++) { |
| 248 |
< |
bg_tree_rtcontrib(1, $proc); |
| 247 |
> |
for (my $splice = 0; $splice < $nsplice; $splice++) { |
| 248 |
> |
if (! $npleft ) { |
| 249 |
> |
wait(); |
| 250 |
> |
die "rtcontrib process reported error" if ( $? ); |
| 251 |
> |
$npleft++; |
| 252 |
> |
} |
| 253 |
> |
bg_tree_rtcontrib(1, $splice); |
| 254 |
> |
$npleft--; |
| 255 |
|
} |
| 256 |
|
while (wait() >= 0) { |
| 257 |
|
die "rtcontrib process reported error" if ( $? ); |
| 258 |
+ |
$npleft++; |
| 259 |
|
} |
| 260 |
+ |
persist_end(); |
| 261 |
|
ttree_out(1); |
| 262 |
|
} |
| 263 |
|
} # end of sub do_tree_bsdf() |
| 264 |
|
|
| 265 |
< |
# Run i'th rtcontrib process for generating tensor tree samples |
| 265 |
> |
# Run rtcontrib process in background to generate tensor tree samples |
| 266 |
|
sub bg_tree_rtcontrib { |
| 267 |
|
my $pid = fork(); |
| 268 |
|
die "Cannot fork new process" unless defined $pid; |
| 283 |
|
"| rcalc -e 'r1=rand(($pn+.8681)*recno-.673892)' " . |
| 284 |
|
"-e 'r2=rand(($pn-5.37138)*recno+67.1737811)' " . |
| 285 |
|
"-e 'r3=rand(($pn+3.17603772)*recno+83.766771)' " . |
| 286 |
< |
"-e 'Dx=1-($pbeg+\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)' " . |
| 286 |
> |
"-e 'Dx=1-2*($pbeg+\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)' " . |
| 287 |
|
"-e 'xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . |
| 288 |
|
"-e 'yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . |
| 289 |
|
"-e 'zp=$dim[5-$forw]' -e 'myDz=Dz*($forw*2-1)' " . |
| 352 |
|
<WavelengthDataBlock> |
| 353 |
|
'; |
| 354 |
|
print "\t\t\t<WavelengthDataDirection>Reflection $side</WavelengthDataDirection>\n"; |
| 355 |
< |
print ' |
| 356 |
< |
<AngleBasis>LBNL/Shirley-Chiu</AngleBasis> |
| 355 |
> |
print |
| 356 |
> |
' <AngleBasis>LBNL/Shirley-Chiu</AngleBasis> |
| 357 |
|
<ScatteringDataType>BRDF</ScatteringDataType> |
| 358 |
|
<ScatteringData> |
| 359 |
|
'; |
| 433 |
|
"-o '$td/%s.flt' -m $fmodnm -m $bmodnm $octree"; |
| 434 |
|
my $rccmd = "rcalc -e '$tcal' " . |
| 435 |
|
"-e 'mod(n,d):n-floor(n/d)*d' -e 'Kbin=mod(recno-.999,$ndiv)' " . |
| 436 |
< |
q{-if3 -e '$1=(0.265*$1+0.670*$2+0.065*$3)/KprojOmega'}; |
| 436 |
> |
q{-if3 -e 'oval=(0.265*$1+0.670*$2+0.065*$3)/KprojOmega' } . |
| 437 |
> |
q[-o '${ oval },']; |
| 438 |
|
if ( $doforw ) { |
| 439 |
|
$cmd = "cnt $ndiv $ny $nx | rcalc -of -e '$tcal' " . |
| 440 |
|
"-e 'xp=(\$3+rand(.12*recno+288))*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . |
