| 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,$rmtmp); | 
| 104 | 
  | 
        } elsif ("$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: | 
| 225 | 
  | 
my $old_fh = select(STDOUT); | 
| 226 | 
  | 
$| = 1; | 
| 227 | 
  | 
select($old_fh); | 
| 228 | 
+ | 
print "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"; | 
| 229 | 
  | 
print "<!-- Created by: genBSDF @savedARGV -->\n"; | 
| 230 | 
  | 
# print STDERR "Running: $wrapper\n"; | 
| 231 | 
  | 
system $wrapper; | 
| 334 | 
  | 
                                qq{-e "$CIEuv" } . | 
| 335 | 
  | 
                                q{-e "$1=Yi/Omega"}; | 
| 336 | 
  | 
                } elsif ("$spec" eq "CIE-u") { | 
| 337 | 
< | 
                        $cmd = qq{rcalc -e "Omega:PI/($ns*$ns)" } . | 
| 332 | 
< | 
                                q{-e "Ri=$1;Gi=$2;Bi=$3" } . | 
| 337 | 
> | 
                        $cmd = q{rcalc -e "Ri=$1;Gi=$2;Bi=$3" } . | 
| 338 | 
  | 
                                qq{-e "$CIEuv" } . | 
| 339 | 
< | 
                                q{-e "$1=uprime/Omega"}; | 
| 339 | 
> | 
                                q{-e "$1=uprime"}; | 
| 340 | 
  | 
                } elsif ("$spec" eq "CIE-v") { | 
| 341 | 
< | 
                        $cmd = qq{rcalc -e "Omega:PI/($ns*$ns)" } . | 
| 337 | 
< | 
                                q{-e "Ri=$1;Gi=$2;Bi=$3" } . | 
| 341 | 
> | 
                        $cmd = q{rcalc -e "Ri=$1;Gi=$2;Bi=$3" } . | 
| 342 | 
  | 
                                qq{-e "$CIEuv" } . | 
| 343 | 
< | 
                                q{-e "$1=vprime/Omega"}; | 
| 343 | 
> | 
                                q{-e "$1=vprime"}; | 
| 344 | 
  | 
                } | 
| 345 | 
  | 
        } else { | 
| 346 | 
  | 
                if ("$spec" eq "Visible") { | 
| 349 | 
  | 
                                "-e '$CIEuv' " . | 
| 350 | 
  | 
                                q{-e '$1=Yi/Omega'}; | 
| 351 | 
  | 
                } elsif ("$spec" eq "CIE-u") { | 
| 352 | 
< | 
                        $cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . | 
| 349 | 
< | 
                                q{-e 'Ri=$1;Gi=$2;Bi=$3' } . | 
| 352 | 
> | 
                        $cmd = q{rcalc -if3 -e 'Ri=$1;Gi=$2;Bi=$3' } . | 
| 353 | 
  | 
                                "-e '$CIEuv' " . | 
| 354 | 
< | 
                                q{-e '$1=uprime/Omega'}; | 
| 354 | 
> | 
                                q{-e '$1=uprime'}; | 
| 355 | 
  | 
                } elsif ("$spec" eq "CIE-v") { | 
| 356 | 
< | 
                        $cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . | 
| 354 | 
< | 
                                q{-e 'Ri=$1;Gi=$2;Bi=$3' } . | 
| 356 | 
> | 
                        $cmd = q{rcalc -if3 -e 'Ri=$1;Gi=$2;Bi=$3' } . | 
| 357 | 
  | 
                                "-e '$CIEuv' " . | 
| 358 | 
< | 
                                q{-e '$1=vprime/Omega'}; | 
| 358 | 
> | 
                                q{-e '$1=vprime'}; | 
| 359 | 
  | 
                } | 
| 360 | 
  | 
        } | 
| 361 | 
  | 
        if ($pctcull >= 0) { | 
| 362 | 
  | 
                my $avg = ( "$typ" =~ /^r[fb]/ ) ? " -a" : ""; | 
| 363 | 
  | 
                my $pcull = ("$spec" eq "Visible") ? $pctcull : | 
| 364 | 
< | 
                                                     (100 - (100-$pctcull)/3) ; | 
| 364 | 
> | 
                                                     (100 - (100-$pctcull)*.25) ; | 
| 365 | 
  | 
                if ($windoz) { | 
| 366 | 
  | 
                        $cmd = "rcollate -ho -oc 1 $src | " . | 
| 367 | 
  | 
                                        $cmd . | 
| 456 | 
  | 
        my $dest = shift; | 
| 457 | 
  | 
        my $cmd = "rmtxop -fa -t"; | 
| 458 | 
  | 
        if ("$spec" eq "Visible") { | 
| 459 | 
< | 
                $cmd .= " -c 0.265 0.670 0.065"; | 
| 459 | 
> | 
                $cmd .= " -c 0.2651 0.6701 0.0648"; | 
| 460 | 
  | 
        } elsif ("$spec" eq "CIE-X") { | 
| 461 | 
< | 
                $cmd .= " -c 0.514 0.324 0.162"; | 
| 461 | 
> | 
                $cmd .= " -c 0.5141 0.3239 0.1620"; | 
| 462 | 
  | 
        } elsif ("$spec" eq "CIE-Z") { | 
| 463 | 
< | 
                $cmd .= " -c 0.024 0.123 0.853"; | 
| 463 | 
> | 
                $cmd .= " -c 0.0241 0.1229 0.8530"; | 
| 464 | 
  | 
        } | 
| 465 | 
  | 
        $cmd .= " $src | rcollate -ho -oc 145"; | 
| 466 | 
  | 
        # print STDERR "Running: $cmd\n"; |