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") { |
174 |
|
$wrapper .= " -g $mgfscn"; |
175 |
|
} |
176 |
|
# Create receiver & sender surfaces (rectangular) |
177 |
+ |
my $FEPS = 1e-5; |
178 |
|
my $nx = int(sqrt($nsamp*($dim[1]-$dim[0])/($dim[3]-$dim[2])) + 1); |
179 |
|
my $ny = int($nsamp/$nx + 1); |
180 |
|
$nsamp = $nx * $ny; |
181 |
|
my $ns = 2**$ttlog2; |
182 |
|
open(RADSCN, "> $receivers"); |
183 |
< |
print RADSCN '#@rfluxmtx ' . ($tensortree ? "h=sc$ns\n" : "h=kf\n"); |
184 |
< |
print RADSCN '#@rfluxmtx ' . "u=Y o=$facedat\n\n"; |
183 |
> |
print RADSCN '#@rfluxmtx ' . ($tensortree ? "h=-sc$ns\n" : "h=-kf\n"); |
184 |
> |
print RADSCN '#@rfluxmtx ' . "u=-Y o=$facedat\n\n"; |
185 |
|
print RADSCN "void glow receiver_face\n0\n0\n4 1 1 1 0\n\n"; |
186 |
|
print RADSCN "receiver_face source f_receiver\n0\n0\n4 0 0 1 180\n\n"; |
187 |
< |
print RADSCN '#@rfluxmtx ' . "u=Y o=$behinddat\n\n"; |
187 |
> |
print RADSCN '#@rfluxmtx ' . ($tensortree ? "h=+sc$ns\n" : "h=+kf\n"); |
188 |
> |
print RADSCN '#@rfluxmtx ' . "u=-Y o=$behinddat\n\n"; |
189 |
|
print RADSCN "void glow receiver_behind\n0\n0\n4 1 1 1 0\n\n"; |
190 |
|
print RADSCN "receiver_behind source b_receiver\n0\n0\n4 0 0 -1 180\n"; |
191 |
|
close RADSCN; |
193 |
|
$rfluxmtx .= " -n $nproc -c $nsamp"; |
194 |
|
if ( $tensortree != 3 ) { # Isotropic tensor tree is exception |
195 |
|
open (RADSCN, "> $fsender"); |
196 |
< |
print RADSCN '#@rfluxmtx u=Y ' . ($tensortree ? "h=sc$ns\n\n" : "h=kf\n\n"); |
196 |
> |
print RADSCN '#@rfluxmtx u=-Y ' . ($tensortree ? "h=-sc$ns\n\n" : "h=-kf\n\n"); |
197 |
|
print RADSCN "void polygon fwd_sender\n0\n0\n12\n"; |
198 |
< |
printf RADSCN "\t%f\t%f\t%f\n", $dim[0], $dim[2], $dim[4]; |
199 |
< |
printf RADSCN "\t%f\t%f\t%f\n", $dim[0], $dim[3], $dim[4]; |
200 |
< |
printf RADSCN "\t%f\t%f\t%f\n", $dim[1], $dim[3], $dim[4]; |
201 |
< |
printf RADSCN "\t%f\t%f\t%f\n", $dim[1], $dim[2], $dim[4]; |
198 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[2], $dim[4]-$FEPS; |
199 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[3], $dim[4]-$FEPS; |
200 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[3], $dim[4]-$FEPS; |
201 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[2], $dim[4]-$FEPS; |
202 |
|
close RADSCN; |
203 |
|
open (RADSCN, "> $bsender"); |
204 |
< |
print RADSCN '#@rfluxmtx u=Y ' . ($tensortree ? "h=sc$ns\n\n" : "h=kf\n\n"); |
205 |
< |
print RADSCN "void polygon fwd_sender\n0\n0\n12\n"; |
206 |
< |
printf RADSCN "\t%f\t%f\t%f\n", $dim[0], $dim[2], $dim[5]; |
207 |
< |
printf RADSCN "\t%f\t%f\t%f\n", $dim[1], $dim[2], $dim[5]; |
208 |
< |
printf RADSCN "\t%f\t%f\t%f\n", $dim[1], $dim[3], $dim[5]; |
209 |
< |
printf RADSCN "\t%f\t%f\t%f\n", $dim[0], $dim[3], $dim[5]; |
204 |
> |
print RADSCN '#@rfluxmtx u=-Y ' . ($tensortree ? "h=+sc$ns\n\n" : "h=+kf\n\n"); |
205 |
> |
print RADSCN "void polygon bwd_sender\n0\n0\n12\n"; |
206 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[2], $dim[5]+$FEPS; |
207 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[2], $dim[5]+$FEPS; |
208 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[3], $dim[5]+$FEPS; |
209 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[3], $dim[5]+$FEPS; |
210 |
|
close RADSCN; |
211 |
|
} |
212 |
+ |
# Calculate CIE (u',v') from Radiance RGB: |
213 |
+ |
my $CIEuv = 'Xi=.5141*Ri+.3239*Gi+.1620*Bi;' . |
214 |
+ |
'Yi=.2651*Ri+.6701*Gi+.0648*Bi;' . |
215 |
+ |
'Zi=.0241*Ri+.1229*Gi+.8530*Bi;' . |
216 |
+ |
'den=Xi+15*Yi+3*Zi;' . |
217 |
+ |
'uprime=4*Xi/den;vprime=9*Yi/den;' ; |
218 |
|
# Create data segments (all the work happens here) |
219 |
|
if ( $tensortree ) { |
220 |
|
do_tree_bsdf(); |
222 |
|
do_matrix_bsdf(); |
223 |
|
} |
224 |
|
# Output XML |
214 |
– |
my $old_fh = select(STDOUT); |
215 |
– |
$| = 1; |
216 |
– |
select($old_fh); |
217 |
– |
print "<!-- Created by: genBSDF @savedARGV -->\n"; |
225 |
|
# print STDERR "Running: $wrapper\n"; |
226 |
< |
system $wrapper; |
226 |
> |
system "$wrapper -C \"Created by: genBSDF @savedARGV\""; |
227 |
|
die "Could not wrap BSDF data\n" if ( $? ); |
228 |
|
# Clean up temporary files and exit |
229 |
< |
system $rmtmp; |
229 |
> |
exec $rmtmp; |
230 |
|
|
231 |
|
#-------------- End of main program segment --------------# |
232 |
|
|
302 |
|
my $ttyp = ("tb","tf")[$forw]; |
303 |
|
ttree_comp($ttyp, "Visible", $transdat, ($tb,$tf)[$forw]); |
304 |
|
if ( $docolor ) { |
305 |
< |
ttree_comp($ttyp, "CIE-X", $transdat, ($tbx,$tfx)[$forw]); |
306 |
< |
ttree_comp($ttyp, "CIE-Z", $transdat, ($tbz,$tfz)[$forw]); |
305 |
> |
ttree_comp($ttyp, "CIE-u", $transdat, ($tbx,$tfx)[$forw]); |
306 |
> |
ttree_comp($ttyp, "CIE-v", $transdat, ($tbz,$tfz)[$forw]); |
307 |
|
} |
308 |
|
} |
309 |
|
# Output reflection |
310 |
|
my $rtyp = ("rb","rf")[$forw]; |
311 |
|
ttree_comp($rtyp, "Visible", $refldat, ($rb,$rf)[$forw]); |
312 |
|
if ( $docolor ) { |
313 |
< |
ttree_comp($rtyp, "CIE-X", $refldat, ($rbx,$rfx)[$forw]); |
314 |
< |
ttree_comp($rtyp, "CIE-Z", $refldat, ($rbz,$rfz)[$forw]); |
313 |
> |
ttree_comp($rtyp, "CIE-u", $refldat, ($rbx,$rfx)[$forw]); |
314 |
> |
ttree_comp($rtyp, "CIE-v", $refldat, ($rbz,$rfz)[$forw]); |
315 |
|
} |
316 |
|
} # end of ttree_out() |
317 |
|
|
325 |
|
if ($windoz) { |
326 |
|
if ("$spec" eq "Visible") { |
327 |
|
$cmd = qq{rcalc -e "Omega:PI/($ns*$ns)" } . |
328 |
< |
q{-e "$1=(0.265*$1+0.670*$2+0.065*$3)/Omega"}; |
329 |
< |
} elsif ("$spec" eq "CIE-X") { |
330 |
< |
$cmd = qq{rcalc -e "Omega:PI/($ns*$ns)" } . |
331 |
< |
q{-e "$1=(0.514*$1+0.324*$2+0.162*$3)/Omega"}; |
332 |
< |
} elsif ("$spec" eq "CIE-Z") { |
333 |
< |
$cmd = qq{rcalc -e "Omega:PI/($ns*$ns)" } . |
334 |
< |
q{-e "$1=(0.024*$1+0.123*$2+0.853*$3)/Omega"}; |
328 |
> |
q{-e "Ri=$1;Gi=$2;Bi=$3" } . |
329 |
> |
qq{-e "$CIEuv" } . |
330 |
> |
q{-e "$1=Yi/Omega"}; |
331 |
> |
} elsif ("$spec" eq "CIE-u") { |
332 |
> |
$cmd = q{rcalc -e "Ri=$1;Gi=$2;Bi=$3" } . |
333 |
> |
qq{-e "$CIEuv" } . |
334 |
> |
q{-e "$1=uprime"}; |
335 |
> |
} elsif ("$spec" eq "CIE-v") { |
336 |
> |
$cmd = q{rcalc -e "Ri=$1;Gi=$2;Bi=$3" } . |
337 |
> |
qq{-e "$CIEuv" } . |
338 |
> |
q{-e "$1=vprime"}; |
339 |
|
} |
340 |
|
} else { |
341 |
|
if ("$spec" eq "Visible") { |
342 |
|
$cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
343 |
< |
q{-e '$1=(0.265*$1+0.670*$2+0.065*$3)/Omega'}; |
344 |
< |
} elsif ("$spec" eq "CIE-X") { |
345 |
< |
$cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
346 |
< |
q{-e '$1=(0.514*$1+0.324*$2+0.162*$3)/Omega'}; |
347 |
< |
} elsif ("$spec" eq "CIE-Z") { |
348 |
< |
$cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
349 |
< |
q{-e '$1=(0.024*$1+0.123*$2+0.853*$3)/Omega'}; |
343 |
> |
q{-e 'Ri=$1;Gi=$2;Bi=$3' } . |
344 |
> |
"-e '$CIEuv' " . |
345 |
> |
q{-e '$1=Yi/Omega'}; |
346 |
> |
} elsif ("$spec" eq "CIE-u") { |
347 |
> |
$cmd = q{rcalc -if3 -e 'Ri=$1;Gi=$2;Bi=$3' } . |
348 |
> |
"-e '$CIEuv' " . |
349 |
> |
q{-e '$1=uprime'}; |
350 |
> |
} elsif ("$spec" eq "CIE-v") { |
351 |
> |
$cmd = q{rcalc -if3 -e 'Ri=$1;Gi=$2;Bi=$3' } . |
352 |
> |
"-e '$CIEuv' " . |
353 |
> |
q{-e '$1=vprime'}; |
354 |
|
} |
355 |
|
} |
356 |
|
if ($pctcull >= 0) { |
357 |
|
my $avg = ( "$typ" =~ /^r[fb]/ ) ? " -a" : ""; |
358 |
+ |
my $pcull = ("$spec" eq "Visible") ? $pctcull : |
359 |
+ |
(100 - (100-$pctcull)*.25) ; |
360 |
|
if ($windoz) { |
361 |
|
$cmd = "rcollate -ho -oc 1 $src | " . |
362 |
|
$cmd . |
363 |
< |
" | rttree_reduce$avg -h -fa -t $pctcull -r $tensortree -g $ttlog2"; |
363 |
> |
" | rttree_reduce$avg -h -fa -t $pcull -r $tensortree -g $ttlog2"; |
364 |
|
} else { |
365 |
|
$cmd .= " -of $src " . |
366 |
< |
"| rttree_reduce$avg -h -ff -t $pctcull -r $tensortree -g $ttlog2"; |
366 |
> |
"| rttree_reduce$avg -h -ff -t $pcull -r $tensortree -g $ttlog2"; |
367 |
|
} |
368 |
|
# print STDERR "Running: $cmd\n"; |
369 |
|
system "$cmd > $dest"; |
388 |
|
close DATOUT; |
389 |
|
} |
390 |
|
if ( "$spec" ne "$curspec" ) { |
391 |
< |
$wrapper .= " -s $spec" |
391 |
> |
$wrapper .= " -s $spec"; |
392 |
|
$curspec = $spec; |
393 |
|
} |
394 |
|
$wrapper .= " -$typ $dest"; |
451 |
|
my $dest = shift; |
452 |
|
my $cmd = "rmtxop -fa -t"; |
453 |
|
if ("$spec" eq "Visible") { |
454 |
< |
$cmd .= " -c 0.265 0.670 0.065"; |
454 |
> |
$cmd .= " -c 0.2651 0.6701 0.0648"; |
455 |
|
} elsif ("$spec" eq "CIE-X") { |
456 |
< |
$cmd .= " -c 0.514 0.324 0.162"; |
456 |
> |
$cmd .= " -c 0.5141 0.3239 0.1620"; |
457 |
|
} elsif ("$spec" eq "CIE-Z") { |
458 |
< |
$cmd .= " -c 0.024 0.123 0.853"; |
458 |
> |
$cmd .= " -c 0.0241 0.1229 0.8530"; |
459 |
|
} |
460 |
< |
$cmd .= " $src | getinfo -"; |
460 |
> |
$cmd .= " $src | rcollate -ho -oc 145"; |
461 |
|
# print STDERR "Running: $cmd\n"; |
462 |
|
system "$cmd > $dest"; |
463 |
< |
die "Failure running rttree_reduce" if ( $? ); |
463 |
> |
die "Failure running rmtxop" if ( $? ); |
464 |
|
if ( "$spec" ne "$curspec" ) { |
465 |
< |
$wrapper .= " -s $spec" |
465 |
> |
$wrapper .= " -s $spec"; |
466 |
|
$curspec = $spec; |
467 |
|
} |
468 |
|
$wrapper .= " -$typ $dest"; |