| 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"); |
| 403 |
|
$kcal = ' |
| 404 |
|
DEGREE : PI/180; |
| 405 |
|
abs(x) : if(x, x, -x); |
| 406 |
< |
Acos(x) : 1/DEGREE * if(x-1, 0, if(-1-x, 0, acos(x))); |
| 406 |
> |
Acos(x) : if(x-1, 0, if(-1-x, PI, acos(x))) / DEGREE; |
| 407 |
|
posangle(a) : if(-a, a + 2*PI, a); |
| 408 |
< |
Atan2(y,x) : 1/DEGREE * posangle(atan2(y,x)); |
| 408 |
> |
Atan2(y,x) : posangle(atan2(y,x)) / DEGREE; |
| 409 |
|
kpola(r) : select(r, 5, 15, 25, 35, 45, 55, 65, 75, 90); |
| 410 |
|
knaz(r) : select(r, 1, 8, 16, 20, 24, 24, 24, 16, 12); |
| 411 |
|
kaccum(r) : if(r-.5, knaz(r) + kaccum(r-1), 0); |
| 437 |
|
"-o '$td/%s.flt' -m $fmodnm -m $bmodnm $octree"; |
| 438 |
|
my $rccmd = "rcalc -e '$tcal' " . |
| 439 |
|
"-e 'mod(n,d):n-floor(n/d)*d' -e 'Kbin=mod(recno-.999,$ndiv)' " . |
| 440 |
< |
q{-if3 -e 'oval=(0.265*$1+0.670*$2+0.065*$3)/KprojOmega' } . |
| 441 |
< |
q[-o '${ oval },']; |
| 440 |
> |
q{-if3 -e '$1=(0.265*$1+0.670*$2+0.065*$3)/KprojOmega' }; |
| 441 |
|
if ( $doforw ) { |
| 442 |
|
$cmd = "cnt $ndiv $ny $nx | rcalc -of -e '$tcal' " . |
| 443 |
|
"-e 'xp=(\$3+rand(.12*recno+288))*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . |
| 463 |
|
system "$cmd" || die "Failure running: $cmd\n"; |
| 464 |
|
@tbarr = `$rccmd $td/$bmodnm.flt`; |
| 465 |
|
die "Failure running: $rccmd $td/$bmodnm.flt\n" if ( $? ); |
| 466 |
+ |
chomp(@tbarr); |
| 467 |
|
@rbarr = `$rccmd $td/$fmodnm.flt`; |
| 468 |
|
die "Failure running: $rccmd $td/$fmodnm.flt\n" if ( $? ); |
| 469 |
+ |
chomp(@rbarr); |
| 470 |
|
} |
| 471 |
|
# Output angle basis |
| 472 |
|
print |
| 566 |
|
# Output front transmission (transposed order) |
| 567 |
|
for (my $od = 0; $od < $ndiv; $od++) { |
| 568 |
|
for (my $id = 0; $id < $ndiv; $id++) { |
| 569 |
< |
print $tfarr[$ndiv*$id + $od]; |
| 569 |
> |
print $tfarr[$ndiv*$id + $od], ",\n"; |
| 570 |
|
} |
| 571 |
|
print "\n"; |
| 572 |
|
} |
| 586 |
|
<ScatteringDataType>BRDF</ScatteringDataType> |
| 587 |
|
<ScatteringData> |
| 588 |
|
'; |
| 589 |
< |
# Output front reflection (reciprocity averaging) |
| 589 |
> |
# Output front reflection (transposed order) |
| 590 |
|
for (my $od = 0; $od < $ndiv; $od++) { |
| 591 |
|
for (my $id = 0; $id < $ndiv; $id++) { |
| 592 |
< |
print .5*($rfarr[$ndiv*$id + $od] + $rfarr[$ndiv*$od + $id]); |
| 592 |
> |
print $rfarr[$ndiv*$id + $od], ",\n"; |
| 593 |
|
} |
| 594 |
|
print "\n"; |
| 595 |
|
} |
| 616 |
|
# Output back transmission (transposed order) |
| 617 |
|
for (my $od = 0; $od < $ndiv; $od++) { |
| 618 |
|
for (my $id = 0; $id < $ndiv; $id++) { |
| 619 |
< |
print $tbarr[$ndiv*$id + $od]; |
| 619 |
> |
print $tbarr[$ndiv*$id + $od], ",\n"; |
| 620 |
|
} |
| 621 |
|
print "\n"; |
| 622 |
|
} |
| 639 |
|
# Output back reflection (reciprocity averaging) |
| 640 |
|
for (my $od = 0; $od < $ndiv; $od++) { |
| 641 |
|
for (my $id = 0; $id < $ndiv; $id++) { |
| 642 |
< |
print .5*($rbarr[$ndiv*$id + $od] + $rbarr[$ndiv*$od + $id]); |
| 642 |
> |
print $rbarr[$ndiv*$id + $od], ",\n"; |
| 643 |
|
} |
| 644 |
|
print "\n"; |
| 645 |
|
} |
