| 9 |
|
my $windoz = ($^O eq "MSWin32" or $^O eq "MSWin64"); |
| 10 |
|
use File::Temp qw/ :mktemp /; |
| 11 |
|
sub userror { |
| 12 |
< |
print STDERR "Usage: genBSDF [-n Nproc][-c Nsamp][-W][-t{3|4} Nlog2][-r \"ropts\"][-f \"x=string;y=string\"][-dim xmin xmax ymin ymax zmin zmax][{+|-}C][{+|-}f][{+|-}b][{+|-}mgf][{+|-}geom units] [input ..]\n"; |
| 12 |
> |
print STDERR "Usage: genBSDF [-n Nproc][-c Nsamp][-W][-t{3|4} Nlog2][-r \"ropts\"][-s \"x=string;y=string\"][-dim xmin xmax ymin ymax zmin zmax][{+|-}C][{+|-}f][{+|-}b][{+|-}mgf][{+|-}geom units] [input ..]\n"; |
| 13 |
|
exit 1; |
| 14 |
|
} |
| 15 |
|
my ($td,$radscn,$mgfscn,$octree,$fsender,$bsender,$receivers,$facedat,$behinddat,$rmtmp); |
| 39 |
|
$tbz = "$td\\tbz.dat"; |
| 40 |
|
$rbz = "$td\\rbz.dat"; |
| 41 |
|
chomp $td; |
| 42 |
< |
$rmtmp = "rmdir /S /Q $td"; |
| 42 |
> |
$rmtmp = "rd /S /Q $td"; |
| 43 |
|
} else { |
| 44 |
|
$td = mkdtemp("/tmp/genBSDF.XXXXXX"); |
| 45 |
|
chomp $td; |
| 66 |
|
$rmtmp = "rm -rf $td"; |
| 67 |
|
} |
| 68 |
|
my @savedARGV = @ARGV; |
| 69 |
< |
my $rfluxmtx = "rfluxmtx -v -ab 5 -ad 700 -lw 3e-6"; |
| 69 |
> |
my $rfluxmtx = "rfluxmtx -ab 5 -ad 700 -lw 3e-6"; |
| 70 |
|
my $wrapper = "wrapBSDF"; |
| 71 |
|
my $tensortree = 0; |
| 72 |
|
my $ttlog2 = 4; |
| 104 |
|
} elsif ("$ARGV[0]" eq "-t") { |
| 105 |
|
# Use value < 0 for rttree_reduce bypass |
| 106 |
|
$pctcull = $ARGV[1]; |
| 107 |
+ |
if ($pctcull >= 100) { |
| 108 |
+ |
die "Illegal -t culling percentage, must be < 100\n"; |
| 109 |
+ |
} |
| 110 |
|
shift @ARGV; |
| 111 |
|
} elsif ("$ARGV[0]" =~ /^-t[34]$/) { |
| 112 |
|
$tensortree = substr($ARGV[0], 2, 1); |
| 113 |
|
$ttlog2 = $ARGV[1]; |
| 114 |
|
shift @ARGV; |
| 115 |
< |
} elsif ("$ARGV[0]" eq "-f") { |
| 115 |
> |
} elsif ("$ARGV[0]" eq "-s") { |
| 116 |
|
$wrapper .= " -f \"$ARGV[1]\""; |
| 117 |
|
shift @ARGV; |
| 118 |
|
} elsif ("$ARGV[0]" eq "-W") { |
| 152 |
|
if ($#dim != 5) { |
| 153 |
|
@dim = split ' ', `getbbox -h $radscn`; |
| 154 |
|
} |
| 155 |
< |
print STDERR "Warning: Device extends into room\n" if ($dim[5] > 1e-5); |
| 156 |
< |
$wrapper .= ' -f "t=' . ($dim[5] - $dim[4]) . ';w=' . ($dim[1] - $dim[0]) . |
| 155 |
> |
die "Device entirely inside room!\n" if ($dim[4] >= 0); |
| 156 |
> |
if ($dim[5] > 1e-5) { |
| 157 |
> |
print STDERR "Warning: Device extends into room\n"; |
| 158 |
> |
} elsif ($dim[5]*$dim[5] < .01*($dim[1]-$dim[0])*($dim[3]-$dim[2])) { |
| 159 |
> |
print STDERR "Warning: Device far behind Z==0 plane\n"; |
| 160 |
> |
} |
| 161 |
> |
# Assume Zmax==0 to derive thickness so pkgBSDF will work |
| 162 |
> |
$wrapper .= ' -f "t=' . (-$dim[4]) . ';w=' . ($dim[1] - $dim[0]) . |
| 163 |
|
';h=' . ($dim[3] - $dim[2]) . '"'; |
| 164 |
|
# Generate octree |
| 165 |
|
system "oconv -w $radscn > $octree"; |
| 180 |
|
$wrapper .= " -g $mgfscn"; |
| 181 |
|
} |
| 182 |
|
# Create receiver & sender surfaces (rectangular) |
| 183 |
+ |
my $FEPS = 1e-5; |
| 184 |
|
my $nx = int(sqrt($nsamp*($dim[1]-$dim[0])/($dim[3]-$dim[2])) + 1); |
| 185 |
|
my $ny = int($nsamp/$nx + 1); |
| 186 |
|
$nsamp = $nx * $ny; |
| 187 |
|
my $ns = 2**$ttlog2; |
| 188 |
|
open(RADSCN, "> $receivers"); |
| 189 |
< |
print RADSCN '#@rfluxmtx ' . ($tensortree ? "h=sc$ns\n" : "h=kf\n"); |
| 190 |
< |
print RADSCN '#@rfluxmtx ' . "u=Y o=$facedat\n\n"; |
| 189 |
> |
print RADSCN '#@rfluxmtx ' . ($tensortree ? "h=-sc$ns\n" : "h=-kf\n"); |
| 190 |
> |
print RADSCN '#@rfluxmtx ' . "u=-Y o=$facedat\n\n"; |
| 191 |
|
print RADSCN "void glow receiver_face\n0\n0\n4 1 1 1 0\n\n"; |
| 192 |
|
print RADSCN "receiver_face source f_receiver\n0\n0\n4 0 0 1 180\n\n"; |
| 193 |
< |
print RADSCN '#@rfluxmtx ' . "u=Y o=$behinddat\n\n"; |
| 193 |
> |
print RADSCN '#@rfluxmtx ' . ($tensortree ? "h=+sc$ns\n" : "h=+kf\n"); |
| 194 |
> |
print RADSCN '#@rfluxmtx ' . "u=-Y o=$behinddat\n\n"; |
| 195 |
|
print RADSCN "void glow receiver_behind\n0\n0\n4 1 1 1 0\n\n"; |
| 196 |
|
print RADSCN "receiver_behind source b_receiver\n0\n0\n4 0 0 -1 180\n"; |
| 197 |
|
close RADSCN; |
| 199 |
|
$rfluxmtx .= " -n $nproc -c $nsamp"; |
| 200 |
|
if ( $tensortree != 3 ) { # Isotropic tensor tree is exception |
| 201 |
|
open (RADSCN, "> $fsender"); |
| 202 |
< |
print RADSCN '#@rfluxmtx u=Y ' . ($tensortree ? "h=sc$ns\n\n" : "h=kf\n\n"); |
| 202 |
> |
print RADSCN '#@rfluxmtx u=-Y ' . ($tensortree ? "h=-sc$ns\n\n" : "h=-kf\n\n"); |
| 203 |
|
print RADSCN "void polygon fwd_sender\n0\n0\n12\n"; |
| 204 |
< |
printf RADSCN "\t%f\t%f\t%f\n", $dim[0], $dim[2], $dim[4]; |
| 205 |
< |
printf RADSCN "\t%f\t%f\t%f\n", $dim[0], $dim[3], $dim[4]; |
| 206 |
< |
printf RADSCN "\t%f\t%f\t%f\n", $dim[1], $dim[3], $dim[4]; |
| 207 |
< |
printf RADSCN "\t%f\t%f\t%f\n", $dim[1], $dim[2], $dim[4]; |
| 204 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[2], $dim[4]-$FEPS; |
| 205 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[3], $dim[4]-$FEPS; |
| 206 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[3], $dim[4]-$FEPS; |
| 207 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[2], $dim[4]-$FEPS; |
| 208 |
|
close RADSCN; |
| 209 |
|
open (RADSCN, "> $bsender"); |
| 210 |
< |
print RADSCN '#@rfluxmtx u=Y ' . ($tensortree ? "h=sc$ns\n\n" : "h=kf\n\n"); |
| 211 |
< |
print RADSCN "void polygon fwd_sender\n0\n0\n12\n"; |
| 212 |
< |
printf RADSCN "\t%f\t%f\t%f\n", $dim[0], $dim[2], $dim[5]; |
| 213 |
< |
printf RADSCN "\t%f\t%f\t%f\n", $dim[1], $dim[2], $dim[5]; |
| 214 |
< |
printf RADSCN "\t%f\t%f\t%f\n", $dim[1], $dim[3], $dim[5]; |
| 215 |
< |
printf RADSCN "\t%f\t%f\t%f\n", $dim[0], $dim[3], $dim[5]; |
| 210 |
> |
print RADSCN '#@rfluxmtx u=-Y ' . ($tensortree ? "h=+sc$ns\n\n" : "h=+kf\n\n"); |
| 211 |
> |
print RADSCN "void polygon bwd_sender\n0\n0\n12\n"; |
| 212 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[2], $dim[5]+$FEPS; |
| 213 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[2], $dim[5]+$FEPS; |
| 214 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[3], $dim[5]+$FEPS; |
| 215 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[3], $dim[5]+$FEPS; |
| 216 |
|
close RADSCN; |
| 217 |
|
} |
| 218 |
+ |
# Calculate CIE (u',v') from Radiance RGB: |
| 219 |
+ |
my $CIEuv = 'Xi=.5141*Ri+.3239*Gi+.1620*Bi;' . |
| 220 |
+ |
'Yi=.2651*Ri+.6701*Gi+.0648*Bi;' . |
| 221 |
+ |
'Zi=.0241*Ri+.1229*Gi+.8530*Bi;' . |
| 222 |
+ |
'den=Xi+15*Yi+3*Zi;' . |
| 223 |
+ |
'uprime=4*Xi/den;vprime=9*Yi/den;' ; |
| 224 |
|
# Create data segments (all the work happens here) |
| 225 |
|
if ( $tensortree ) { |
| 226 |
|
do_tree_bsdf(); |
| 228 |
|
do_matrix_bsdf(); |
| 229 |
|
} |
| 230 |
|
# Output XML |
| 214 |
– |
my $old_fh = select(STDOUT); |
| 215 |
– |
$| = 1; |
| 216 |
– |
select($old_fh); |
| 217 |
– |
print "<!-- Created by: genBSDF @savedARGV -->\n"; |
| 231 |
|
# print STDERR "Running: $wrapper\n"; |
| 232 |
< |
system $wrapper; |
| 232 |
> |
system "$wrapper -C \"Created by: genBSDF @savedARGV\""; |
| 233 |
|
die "Could not wrap BSDF data\n" if ( $? ); |
| 234 |
|
# Clean up temporary files and exit |
| 235 |
< |
system $rmtmp; |
| 235 |
> |
exec $rmtmp; |
| 236 |
|
|
| 237 |
|
#-------------- End of main program segment --------------# |
| 238 |
|
|
| 308 |
|
my $ttyp = ("tb","tf")[$forw]; |
| 309 |
|
ttree_comp($ttyp, "Visible", $transdat, ($tb,$tf)[$forw]); |
| 310 |
|
if ( $docolor ) { |
| 311 |
< |
ttree_comp($ttyp, "CIE-X", $transdat, ($tbx,$tfx)[$forw]); |
| 312 |
< |
ttree_comp($ttyp, "CIE-Z", $transdat, ($tbz,$tfz)[$forw]); |
| 311 |
> |
ttree_comp($ttyp, "CIE-u", $transdat, ($tbx,$tfx)[$forw]); |
| 312 |
> |
ttree_comp($ttyp, "CIE-v", $transdat, ($tbz,$tfz)[$forw]); |
| 313 |
|
} |
| 314 |
|
} |
| 315 |
|
# Output reflection |
| 316 |
|
my $rtyp = ("rb","rf")[$forw]; |
| 317 |
|
ttree_comp($rtyp, "Visible", $refldat, ($rb,$rf)[$forw]); |
| 318 |
|
if ( $docolor ) { |
| 319 |
< |
ttree_comp($rtyp, "CIE-X", $refldat, ($rbx,$rfx)[$forw]); |
| 320 |
< |
ttree_comp($rtyp, "CIE-Z", $refldat, ($rbz,$rfz)[$forw]); |
| 319 |
> |
ttree_comp($rtyp, "CIE-u", $refldat, ($rbx,$rfx)[$forw]); |
| 320 |
> |
ttree_comp($rtyp, "CIE-v", $refldat, ($rbz,$rfz)[$forw]); |
| 321 |
|
} |
| 322 |
|
} # end of ttree_out() |
| 323 |
|
|
| 331 |
|
if ($windoz) { |
| 332 |
|
if ("$spec" eq "Visible") { |
| 333 |
|
$cmd = qq{rcalc -e "Omega:PI/($ns*$ns)" } . |
| 334 |
< |
q{-e "$1=(0.265*$1+0.670*$2+0.065*$3)/Omega"}; |
| 335 |
< |
} elsif ("$spec" eq "CIE-X") { |
| 336 |
< |
$cmd = qq{rcalc -e "Omega:PI/($ns*$ns)" } . |
| 337 |
< |
q{-e "$1=(0.514*$1+0.324*$2+0.162*$3)/Omega"}; |
| 338 |
< |
} elsif ("$spec" eq "CIE-Z") { |
| 339 |
< |
$cmd = qq{rcalc -e "Omega:PI/($ns*$ns)" } . |
| 340 |
< |
q{-e "$1=(0.024*$1+0.123*$2+0.853*$3)/Omega"}; |
| 334 |
> |
q{-e "Ri=$1;Gi=$2;Bi=$3" } . |
| 335 |
> |
qq{-e "$CIEuv" } . |
| 336 |
> |
q{-e "$1=Yi/Omega"}; |
| 337 |
> |
} elsif ("$spec" eq "CIE-u") { |
| 338 |
> |
$cmd = q{rcalc -e "Ri=$1;Gi=$2;Bi=$3" } . |
| 339 |
> |
qq{-e "$CIEuv" } . |
| 340 |
> |
q{-e "$1=uprime"}; |
| 341 |
> |
} elsif ("$spec" eq "CIE-v") { |
| 342 |
> |
$cmd = q{rcalc -e "Ri=$1;Gi=$2;Bi=$3" } . |
| 343 |
> |
qq{-e "$CIEuv" } . |
| 344 |
> |
q{-e "$1=vprime"}; |
| 345 |
|
} |
| 346 |
|
} else { |
| 347 |
|
if ("$spec" eq "Visible") { |
| 348 |
|
$cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
| 349 |
< |
q{-e '$1=(0.265*$1+0.670*$2+0.065*$3)/Omega'}; |
| 350 |
< |
} elsif ("$spec" eq "CIE-X") { |
| 351 |
< |
$cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
| 352 |
< |
q{-e '$1=(0.514*$1+0.324*$2+0.162*$3)/Omega'}; |
| 353 |
< |
} elsif ("$spec" eq "CIE-Z") { |
| 354 |
< |
$cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
| 355 |
< |
q{-e '$1=(0.024*$1+0.123*$2+0.853*$3)/Omega'}; |
| 349 |
> |
q{-e 'Ri=$1;Gi=$2;Bi=$3' } . |
| 350 |
> |
"-e '$CIEuv' " . |
| 351 |
> |
q{-e '$1=Yi/Omega'}; |
| 352 |
> |
} elsif ("$spec" eq "CIE-u") { |
| 353 |
> |
$cmd = q{rcalc -if3 -e 'Ri=$1;Gi=$2;Bi=$3' } . |
| 354 |
> |
"-e '$CIEuv' " . |
| 355 |
> |
q{-e '$1=uprime'}; |
| 356 |
> |
} elsif ("$spec" eq "CIE-v") { |
| 357 |
> |
$cmd = q{rcalc -if3 -e 'Ri=$1;Gi=$2;Bi=$3' } . |
| 358 |
> |
"-e '$CIEuv' " . |
| 359 |
> |
q{-e '$1=vprime'}; |
| 360 |
|
} |
| 361 |
|
} |
| 362 |
|
if ($pctcull >= 0) { |
| 363 |
|
my $avg = ( "$typ" =~ /^r[fb]/ ) ? " -a" : ""; |
| 364 |
+ |
my $pcull = ("$spec" eq "Visible") ? $pctcull : |
| 365 |
+ |
(100 - (100-$pctcull)*.25) ; |
| 366 |
|
if ($windoz) { |
| 367 |
|
$cmd = "rcollate -ho -oc 1 $src | " . |
| 368 |
|
$cmd . |
| 369 |
< |
" | rttree_reduce$avg -h -fa -t $pctcull -r $tensortree -g $ttlog2"; |
| 369 |
> |
" | rttree_reduce$avg -h -fa -t $pcull -r $tensortree -g $ttlog2"; |
| 370 |
|
} else { |
| 371 |
|
$cmd .= " -of $src " . |
| 372 |
< |
"| rttree_reduce$avg -h -ff -t $pctcull -r $tensortree -g $ttlog2"; |
| 372 |
> |
"| rttree_reduce$avg -h -ff -t $pcull -r $tensortree -g $ttlog2"; |
| 373 |
|
} |
| 374 |
|
# print STDERR "Running: $cmd\n"; |
| 375 |
|
system "$cmd > $dest"; |
| 394 |
|
close DATOUT; |
| 395 |
|
} |
| 396 |
|
if ( "$spec" ne "$curspec" ) { |
| 397 |
< |
$wrapper .= " -s $spec" |
| 397 |
> |
$wrapper .= " -s $spec"; |
| 398 |
|
$curspec = $spec; |
| 399 |
|
} |
| 400 |
|
$wrapper .= " -$typ $dest"; |
| 457 |
|
my $dest = shift; |
| 458 |
|
my $cmd = "rmtxop -fa -t"; |
| 459 |
|
if ("$spec" eq "Visible") { |
| 460 |
< |
$cmd .= " -c 0.265 0.670 0.065"; |
| 460 |
> |
$cmd .= " -c 0.2651 0.6701 0.0648"; |
| 461 |
|
} elsif ("$spec" eq "CIE-X") { |
| 462 |
< |
$cmd .= " -c 0.514 0.324 0.162"; |
| 462 |
> |
$cmd .= " -c 0.5141 0.3239 0.1620"; |
| 463 |
|
} elsif ("$spec" eq "CIE-Z") { |
| 464 |
< |
$cmd .= " -c 0.024 0.123 0.853"; |
| 464 |
> |
$cmd .= " -c 0.0241 0.1229 0.8530"; |
| 465 |
|
} |
| 466 |
< |
$cmd .= " $src | getinfo -"; |
| 466 |
> |
$cmd .= " $src | rcollate -ho -oc 145"; |
| 467 |
|
# print STDERR "Running: $cmd\n"; |
| 468 |
|
system "$cmd > $dest"; |
| 469 |
< |
die "Failure running rttree_reduce" if ( $? ); |
| 469 |
> |
die "Failure running rmtxop" if ( $? ); |
| 470 |
|
if ( "$spec" ne "$curspec" ) { |
| 471 |
< |
$wrapper .= " -s $spec" |
| 471 |
> |
$wrapper .= " -s $spec"; |
| 472 |
|
$curspec = $spec; |
| 473 |
|
} |
| 474 |
|
$wrapper .= " -$typ $dest"; |