| 8 | 
  | 
use strict; | 
| 9 | 
  | 
use File::Temp qw/ :mktemp  /; | 
| 10 | 
  | 
sub userror { | 
| 11 | 
< | 
        print STDERR "Usage: genBSDF [-n Nproc][-c Nsamp][-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] [input ..]\n"; | 
| 12 | 
  | 
        exit 1; | 
| 13 | 
  | 
} | 
| 14 | 
  | 
my $td = mkdtemp("/tmp/genBSDF.XXXXXX"); | 
| 15 | 
  | 
chomp $td; | 
| 16 | 
+ | 
my $tensortree = 0; | 
| 17 | 
+ | 
my $ttlog2 = 4; | 
| 18 | 
  | 
my $nsamp = 1000; | 
| 19 | 
  | 
my $rtargs = "-w -ab 5 -ad 700 -lw 3e-6"; | 
| 20 | 
  | 
my $mgfin = 0; | 
| 36 | 
  | 
                $doforw = ("$ARGV[0]" =~ /^\+/); | 
| 37 | 
  | 
        } elsif ("$ARGV[0]" =~ /^[-+]b/) { | 
| 38 | 
  | 
                $doback = ("$ARGV[0]" =~ /^\+/); | 
| 39 | 
+ | 
        } elsif ("$ARGV[0]" =~ /^-t[34]$/) { | 
| 40 | 
+ | 
                $tensortree = substr($ARGV[0], 2, 1); | 
| 41 | 
+ | 
                $ttlog2 = $ARGV[1]; | 
| 42 | 
+ | 
                shift @ARGV; | 
| 43 | 
  | 
        } elsif ("$ARGV[0]" eq "-c") { | 
| 44 | 
  | 
                $nsamp = $ARGV[1]; | 
| 45 | 
  | 
                shift @ARGV; | 
| 58 | 
  | 
        shift @ARGV; | 
| 59 | 
  | 
} | 
| 60 | 
  | 
# Check that we're actually being asked to do something | 
| 61 | 
< | 
die "Must have at least one of +forward or +backward" if (!$doforw && !$doback); | 
| 61 | 
> | 
die "Must have at least one of +forward or +backward\n" if (!$doforw && !$doback); | 
| 62 | 
> | 
# Name our own persist file? | 
| 63 | 
> | 
my $persistfile; | 
| 64 | 
> | 
if ( $tensortree && $nproc > 1 && "$rtargs" !~ /-PP /) { | 
| 65 | 
> | 
        $persistfile = "$td/pfile.txt"; | 
| 66 | 
> | 
        $rtargs = "-PP $persistfile $rtargs"; | 
| 67 | 
> | 
} | 
| 68 | 
  | 
# Get scene description and dimensions | 
| 69 | 
  | 
my $radscn = "$td/device.rad"; | 
| 70 | 
  | 
my $mgfscn = "$td/device.mgf"; | 
| 94 | 
  | 
# Generate octree | 
| 95 | 
  | 
system "oconv -w $radscn > $octree"; | 
| 96 | 
  | 
die "Could not compile scene\n" if ( $? ); | 
| 97 | 
< | 
# Set up sampling of interior portal | 
| 97 | 
> | 
# Output XML prologue | 
| 98 | 
> | 
print | 
| 99 | 
> | 
'<?xml version="1.0" encoding="UTF-8"?> | 
| 100 | 
> | 
<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"> | 
| 101 | 
> | 
<WindowElementType>System</WindowElementType> | 
| 102 | 
> | 
<Optical> | 
| 103 | 
> | 
<Layer> | 
| 104 | 
> | 
        <Material> | 
| 105 | 
> | 
                <Name>Name</Name> | 
| 106 | 
> | 
                <Manufacturer>Manufacturer</Manufacturer> | 
| 107 | 
> | 
'; | 
| 108 | 
> | 
printf "\t\t<Thickness unit=\"Meter\">%.3f</Thickness>\n", $dim[5] - $dim[4]; | 
| 109 | 
> | 
printf "\t\t<Width unit=\"Meter\">%.3f</Width>\n", $dim[1] - $dim[0]; | 
| 110 | 
> | 
printf "\t\t<Height unit=\"Meter\">%.3f</Height>\n", $dim[3] - $dim[2]; | 
| 111 | 
> | 
print "\t\t<DeviceType>Integral</DeviceType>\n"; | 
| 112 | 
> | 
# Output MGF description if requested | 
| 113 | 
> | 
if ( $geout ) { | 
| 114 | 
> | 
        print "\t\t<Geometry format=\"MGF\" unit=\"Meter\">\n"; | 
| 115 | 
> | 
        printf "xf -t %.6f %.6f 0\n", -($dim[0]+$dim[1])/2, -($dim[2]+$dim[3])/2; | 
| 116 | 
> | 
        open(MGFSCN, "< $mgfscn"); | 
| 117 | 
> | 
        while (<MGFSCN>) { print $_; } | 
| 118 | 
> | 
        close MGFSCN; | 
| 119 | 
> | 
        print "xf\n"; | 
| 120 | 
> | 
        print "\t\t</Geometry>\n"; | 
| 121 | 
> | 
} | 
| 122 | 
> | 
print " </Material>\n"; | 
| 123 | 
> | 
# Set up surface sampling | 
| 124 | 
> | 
my $nx = int(sqrt($nsamp*($dim[1]-$dim[0])/($dim[3]-$dim[2])) + .5); | 
| 125 | 
> | 
my $ny = int($nsamp/$nx + .5); | 
| 126 | 
> | 
$nsamp = $nx * $ny; | 
| 127 | 
> | 
my $ns = 2**$ttlog2; | 
| 128 | 
> | 
my (@pdiv, $disk2sq, $sq2disk, $tcal, $kcal); | 
| 129 | 
> | 
# Create data segments (all the work happens here) | 
| 130 | 
> | 
if ( $tensortree ) { | 
| 131 | 
> | 
        do_tree_bsdf(); | 
| 132 | 
> | 
} else { | 
| 133 | 
> | 
        do_matrix_bsdf(); | 
| 134 | 
> | 
} | 
| 135 | 
> | 
# Output XML epilogue | 
| 136 | 
> | 
print | 
| 137 | 
> | 
'</Layer> | 
| 138 | 
> | 
</Optical> | 
| 139 | 
> | 
</WindowElement> | 
| 140 | 
> | 
'; | 
| 141 | 
> | 
# 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 | 
> | 
} | 
| 150 | 
> | 
exec("rm -rf $td"); | 
| 151 | 
> | 
 | 
| 152 | 
> | 
#-------------- End of main program segment --------------# | 
| 153 | 
> | 
 | 
| 154 | 
> | 
#++++++++++++++ Tensor tree BSDF generation ++++++++++++++# | 
| 155 | 
> | 
sub do_tree_bsdf { | 
| 156 | 
> | 
# Get sampling rate and subdivide task | 
| 157 | 
> | 
my $ns2 = $ns; | 
| 158 | 
> | 
$ns2 /= 2 if ( $tensortree == 3 ); | 
| 159 | 
> | 
@pdiv = (0, int($ns2/$nproc)); | 
| 160 | 
> | 
my $nrem = $ns2 % $nproc; | 
| 161 | 
> | 
for (my $i = 1; $i < $nproc; $i++) { | 
| 162 | 
> | 
        my $nv = $pdiv[$i] + $pdiv[1]; | 
| 163 | 
> | 
        ++$nv if ( $nrem-- > 0 ); | 
| 164 | 
> | 
        push @pdiv, $nv; | 
| 165 | 
> | 
} | 
| 166 | 
> | 
die "Script error 1" if ($pdiv[-1] != $ns2); | 
| 167 | 
> | 
# Shirley-Chiu mapping from unit square to disk | 
| 168 | 
> | 
$sq2disk = ' | 
| 169 | 
> | 
in_square_a = 2*in_square_x - 1; | 
| 170 | 
> | 
in_square_b = 2*in_square_y - 1; | 
| 171 | 
> | 
in_square_rgn = if(in_square_a + in_square_b, | 
| 172 | 
> | 
                        if(in_square_a - in_square_b, 1, 2), | 
| 173 | 
> | 
                        if(in_square_b - in_square_a, 3, 4)); | 
| 174 | 
> | 
out_disk_r = .999995*select(in_square_rgn, in_square_a, in_square_b, | 
| 175 | 
> | 
                        -in_square_a, -in_square_b); | 
| 176 | 
> | 
out_disk_phi = PI/4 * select(in_square_rgn, | 
| 177 | 
> | 
                                in_square_b/in_square_a, | 
| 178 | 
> | 
                                2 - in_square_a/in_square_b, | 
| 179 | 
> | 
                                4 + in_square_b/in_square_a, | 
| 180 | 
> | 
                                if(in_square_b*in_square_b, | 
| 181 | 
> | 
                                        6 - in_square_a/in_square_b, 0)); | 
| 182 | 
> | 
Dx = out_disk_r*cos(out_disk_phi); | 
| 183 | 
> | 
Dy = out_disk_r*sin(out_disk_phi); | 
| 184 | 
> | 
Dz = sqrt(1 - out_disk_r*out_disk_r); | 
| 185 | 
> | 
'; | 
| 186 | 
> | 
# Shirley-Chiu mapping from unit disk to square | 
| 187 | 
> | 
$disk2sq = ' | 
| 188 | 
> | 
norm_radians(p) : if(-p - PI/4, p + 2*PI, p); | 
| 189 | 
> | 
in_disk_r = .999995*sqrt(Dx*Dx + Dy*Dy); | 
| 190 | 
> | 
in_disk_phi = norm_radians(atan2(Dy, Dx)); | 
| 191 | 
> | 
in_disk_rgn = floor((in_disk_phi + PI/4)/(PI/2)) + 1; | 
| 192 | 
> | 
out_square_a = select(in_disk_rgn, | 
| 193 | 
> | 
                        in_disk_r, | 
| 194 | 
> | 
                        (PI/2 - in_disk_phi)*in_disk_r/(PI/4), | 
| 195 | 
> | 
                        -in_disk_r, | 
| 196 | 
> | 
                        (in_disk_phi - 3*PI/2)*in_disk_r/(PI/4)); | 
| 197 | 
> | 
out_square_b = select(in_disk_rgn, | 
| 198 | 
> | 
                        in_disk_phi*in_disk_r/(PI/4), | 
| 199 | 
> | 
                        in_disk_r, | 
| 200 | 
> | 
                        (PI - in_disk_phi)*in_disk_r/(PI/4), | 
| 201 | 
> | 
                        -in_disk_r); | 
| 202 | 
> | 
out_square_x = (out_square_a + 1)/2; | 
| 203 | 
> | 
out_square_y = (out_square_b + 1)/2; | 
| 204 | 
> | 
'; | 
| 205 | 
> | 
# Announce ourselves in XML output | 
| 206 | 
> | 
print "\t<DataDefinition>\n"; | 
| 207 | 
> | 
print "\t\t<IncidentDataStructure>TensorTree$tensortree</IncidentDataStructure>\n"; | 
| 208 | 
> | 
print "\t</DataDefinition>\n"; | 
| 209 | 
> | 
# Fork parallel rtcontrib processes to compute each side | 
| 210 | 
> | 
if ( $doback ) { | 
| 211 | 
> | 
        for (my $proc = 0; $proc < $nproc; $proc++) { | 
| 212 | 
> | 
                bg_tree_rtcontrib(0, $proc); | 
| 213 | 
> | 
        } | 
| 214 | 
> | 
        while (wait() >= 0) { | 
| 215 | 
> | 
                die "rtcontrib process reported error" if ( $? ); | 
| 216 | 
> | 
        } | 
| 217 | 
> | 
        ttree_out(0); | 
| 218 | 
> | 
} | 
| 219 | 
> | 
if ( $doforw ) { | 
| 220 | 
> | 
        for (my $proc = 0; $proc < $nproc; $proc++) { | 
| 221 | 
> | 
                bg_tree_rtcontrib(1, $proc); | 
| 222 | 
> | 
        } | 
| 223 | 
> | 
        while (wait() >= 0) { | 
| 224 | 
> | 
                die "rtcontrib process reported error" if ( $? ); | 
| 225 | 
> | 
        } | 
| 226 | 
> | 
        ttree_out(1); | 
| 227 | 
> | 
} | 
| 228 | 
> | 
}       # end of sub do_tree_bsdf() | 
| 229 | 
> | 
 | 
| 230 | 
> | 
# Run i'th rtcontrib process for generating tensor tree samples | 
| 231 | 
> | 
sub bg_tree_rtcontrib { | 
| 232 | 
> | 
        my $pid = fork(); | 
| 233 | 
> | 
        die "Cannot fork new process" unless defined $pid; | 
| 234 | 
> | 
        if ($pid > 0) { return $pid; } | 
| 235 | 
> | 
        my $forw = shift; | 
| 236 | 
> | 
        my $pn = shift; | 
| 237 | 
> | 
        my $pbeg = $pdiv[$pn]; | 
| 238 | 
> | 
        my $plen = $pdiv[$pn+1] - $pbeg; | 
| 239 | 
> | 
        my $matargs = "-m $bmodnm"; | 
| 240 | 
> | 
        if ( !$forw || !$doback ) { $matargs .= " -m $fmodnm"; } | 
| 241 | 
> | 
        my $cmd = "rtcontrib $rtargs -h -ff -fo -c $nsamp " . | 
| 242 | 
> | 
                "-e '$disk2sq' -bn '$ns*$ns' " . | 
| 243 | 
> | 
                "-b '$ns*floor(out_square_x*$ns)+floor(out_square_y*$ns)' " . | 
| 244 | 
> | 
                "-o $td/%s_" . sprintf("%03d", $pn) . ".flt $matargs $octree"; | 
| 245 | 
> | 
        if ( $tensortree == 3 ) { | 
| 246 | 
> | 
                # Isotropic BSDF | 
| 247 | 
> | 
                $cmd = "cnt $plen $ny $nx " . | 
| 248 | 
> | 
                        "| rcalc -e 'r1=rand(($pn+.8681)*recno-.673892)' " . | 
| 249 | 
> | 
                        "-e 'r2=rand(($pn-5.37138)*recno+67.1737811)' " . | 
| 250 | 
> | 
                        "-e 'r3=rand(($pn+3.17603772)*recno+83.766771)' " . | 
| 251 | 
> | 
                        "-e 'Dx=1-2*($pbeg+\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)' " . | 
| 252 | 
> | 
                        "-e 'xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . | 
| 253 | 
> | 
                        "-e 'yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . | 
| 254 | 
> | 
                        "-e 'zp=$dim[5-$forw]' -e 'myDz=Dz*($forw*2-1)' " . | 
| 255 | 
> | 
                        "-e '\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz' " . | 
| 256 | 
> | 
                        "-e '\$4=Dx;\$5=Dy;\$6=myDz' -of " . | 
| 257 | 
> | 
                        "| $cmd"; | 
| 258 | 
> | 
        } else { | 
| 259 | 
> | 
                # Anisotropic BSDF | 
| 260 | 
> | 
                # Sample area vertically to improve load balance, since | 
| 261 | 
> | 
                # shading systems usually have bilateral symmetry (L-R) | 
| 262 | 
> | 
                $cmd = "cnt $plen $ns $ny $nx " . | 
| 263 | 
> | 
                        "| rcalc -e 'r1=rand(($pn+.8681)*recno-.673892)' " . | 
| 264 | 
> | 
                        "-e 'r2=rand(($pn-5.37138)*recno+67.1737811)' " . | 
| 265 | 
> | 
                        "-e 'r3=rand(($pn+3.17603772)*recno+83.766771)' " . | 
| 266 | 
> | 
                        "-e 'r4=rand(($pn-2.3857833)*recno-964.72738)' " . | 
| 267 | 
> | 
                        "-e 'in_square_x=($pbeg+\$1+r1)/$ns' " . | 
| 268 | 
> | 
                        "-e 'in_square_y=(\$2+r2)/$ns' -e '$sq2disk' " . | 
| 269 | 
> | 
                        "-e 'xp=(\$4+r3)*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . | 
| 270 | 
> | 
                        "-e 'yp=(\$3+r4)*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . | 
| 271 | 
> | 
                        "-e 'zp=$dim[5-$forw]' -e 'myDz=Dz*($forw*2-1)' " . | 
| 272 | 
> | 
                        "-e '\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz' " . | 
| 273 | 
> | 
                        "-e '\$4=Dx;\$5=Dy;\$6=myDz' -of " . | 
| 274 | 
> | 
                        "| $cmd"; | 
| 275 | 
> | 
        } | 
| 276 | 
> | 
# print STDERR "Starting: $cmd\n"; | 
| 277 | 
> | 
        exec($cmd);             # no return; status report to parent via wait | 
| 278 | 
> | 
        die "Cannot exec: $cmd\n"; | 
| 279 | 
> | 
}       # end of bg_tree_rtcontrib() | 
| 280 | 
> | 
 | 
| 281 | 
> | 
# Simplify and output tensor tree results | 
| 282 | 
> | 
sub ttree_out { | 
| 283 | 
> | 
        my $forw = shift; | 
| 284 | 
> | 
        my $side = ("Back","Front")[$forw]; | 
| 285 | 
> | 
# Only output one transmitted distribution, preferring backwards | 
| 286 | 
> | 
if ( !$forw || !$doback ) { | 
| 287 | 
> | 
print | 
| 288 | 
> | 
'       <WavelengthData> | 
| 289 | 
> | 
                <LayerNumber>System</LayerNumber> | 
| 290 | 
> | 
                <Wavelength unit="Integral">Visible</Wavelength> | 
| 291 | 
> | 
                <SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> | 
| 292 | 
> | 
                <DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> | 
| 293 | 
> | 
                <WavelengthDataBlock> | 
| 294 | 
> | 
                        <WavelengthDataDirection>Transmission</WavelengthDataDirection> | 
| 295 | 
> | 
                        <AngleBasis>LBNL/Shirley-Chiu</AngleBasis> | 
| 296 | 
> | 
                        <ScatteringDataType>BTDF</ScatteringDataType> | 
| 297 | 
> | 
                        <ScatteringData> | 
| 298 | 
> | 
'; | 
| 299 | 
> | 
system "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . | 
| 300 | 
> | 
        q{-e '$1=(0.265*$1+0.670*$2+0.065*$3)/Omega' -of } . | 
| 301 | 
> | 
        "$td/" . ($bmodnm,$fmodnm)[$forw] . "_???.flt " . | 
| 302 | 
> | 
        "| rttree_reduce -h -ff -r $tensortree -g $ttlog2"; | 
| 303 | 
> | 
die "Failure running rttree_reduce" if ( $? ); | 
| 304 | 
> | 
print | 
| 305 | 
> | 
'                       </ScatteringData> | 
| 306 | 
> | 
                </WavelengthDataBlock> | 
| 307 | 
> | 
        </WavelengthData> | 
| 308 | 
> | 
'; | 
| 309 | 
> | 
} | 
| 310 | 
> | 
# Output reflection | 
| 311 | 
> | 
print | 
| 312 | 
> | 
'       <WavelengthData> | 
| 313 | 
> | 
                <LayerNumber>System</LayerNumber> | 
| 314 | 
> | 
                <Wavelength unit="Integral">Visible</Wavelength> | 
| 315 | 
> | 
                <SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> | 
| 316 | 
> | 
                <DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> | 
| 317 | 
> | 
                <WavelengthDataBlock> | 
| 318 | 
> | 
'; | 
| 319 | 
> | 
print "\t\t\t<WavelengthDataDirection>Reflection $side</WavelengthDataDirection>\n"; | 
| 320 | 
> | 
print '                 <AngleBasis>LBNL/Shirley-Chiu</AngleBasis> | 
| 321 | 
> | 
                        <ScatteringDataType>BRDF</ScatteringDataType> | 
| 322 | 
> | 
                        <ScatteringData> | 
| 323 | 
> | 
'; | 
| 324 | 
> | 
system "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . | 
| 325 | 
> | 
        q{-e '$1=(0.265*$1+0.670*$2+0.065*$3)/Omega' -of } . | 
| 326 | 
> | 
        "$td/" . ($fmodnm,$bmodnm)[$forw] . "_???.flt " . | 
| 327 | 
> | 
        "| rttree_reduce -h -ff -r $tensortree -g $ttlog2"; | 
| 328 | 
> | 
die "Failure running rttree_reduce" if ( $? ); | 
| 329 | 
> | 
print | 
| 330 | 
> | 
'                       </ScatteringData> | 
| 331 | 
> | 
                </WavelengthDataBlock> | 
| 332 | 
> | 
        </WavelengthData> | 
| 333 | 
> | 
'; | 
| 334 | 
> | 
}       # end of ttree_out() | 
| 335 | 
> | 
 | 
| 336 | 
> | 
#------------- End of do_tree_bsdf() & subroutines -------------# | 
| 337 | 
> | 
 | 
| 338 | 
> | 
#+++++++++++++++ Klems matrix BSDF generation +++++++++++++++# | 
| 339 | 
> | 
sub do_matrix_bsdf { | 
| 340 | 
> | 
# Set up sampling of portal | 
| 341 | 
  | 
# Kbin to produce incident direction in full Klems basis with (x1,x2) randoms | 
| 342 | 
< | 
my $tcal = ' | 
| 342 | 
> | 
$tcal = ' | 
| 343 | 
  | 
DEGREE : PI/180; | 
| 344 | 
  | 
sq(x) : x*x; | 
| 345 | 
  | 
Kpola(r) : select(r+1, -5, 5, 15, 25, 35, 45, 55, 65, 75, 90); | 
| 360 | 
  | 
        1 - sq(cos(Kpola(1)*DEGREE))); | 
| 361 | 
  | 
'; | 
| 362 | 
  | 
# Compute Klems bin from exiting ray direction (forward or backward) | 
| 363 | 
< | 
my $kcal = ' | 
| 363 | 
> | 
$kcal = ' | 
| 364 | 
  | 
DEGREE : PI/180; | 
| 365 | 
  | 
abs(x) : if(x, x, -x); | 
| 366 | 
  | 
Acos(x) : 1/DEGREE * if(x-1, 0, if(-1-x, 0, acos(x))); | 
| 386 | 
  | 
kbin = kbin2(Acos(abs(Dz)),Atan2(Dy,Dx)); | 
| 387 | 
  | 
'; | 
| 388 | 
  | 
my $ndiv = 145; | 
| 134 | 
– | 
my $nx = int(sqrt($nsamp*($dim[1]-$dim[0])/($dim[3]-$dim[2])) + .5); | 
| 135 | 
– | 
my $ny = int($nsamp/$nx + .5); | 
| 136 | 
– | 
$nsamp = $nx * $ny; | 
| 389 | 
  | 
# Compute scattering data using rtcontrib | 
| 390 | 
  | 
my @tfarr; | 
| 391 | 
  | 
my @rfarr; | 
| 392 | 
  | 
my @tbarr; | 
| 393 | 
  | 
my @rbarr; | 
| 394 | 
  | 
my $cmd; | 
| 395 | 
< | 
my $rtcmd = "rtcontrib -h -ff -fo -n $nproc -c $nsamp " . | 
| 395 | 
> | 
my $rtcmd = "rtcontrib $rtargs -h -ff -fo -n $nproc -c $nsamp " . | 
| 396 | 
  | 
        "-e '$kcal' -b kbin -bn $ndiv " . | 
| 397 | 
< | 
        "-o '$td/%s.flt' -m $fmodnm -m $bmodnm $rtargs $octree"; | 
| 397 | 
> | 
        "-o '$td/%s.flt' -m $fmodnm -m $bmodnm $octree"; | 
| 398 | 
  | 
my $rccmd = "rcalc -e '$tcal' " . | 
| 399 | 
  | 
        "-e 'mod(n,d):n-floor(n/d)*d' -e 'Kbin=mod(recno-.999,$ndiv)' " . | 
| 400 | 
  | 
        q{-if3 -e '$1=(0.265*$1+0.670*$2+0.065*$3)/KprojOmega'}; | 
| 426 | 
  | 
@rbarr = `$rccmd $td/$fmodnm.flt`; | 
| 427 | 
  | 
die "Failure running: $rccmd $td/$fmodnm.flt\n" if ( $? ); | 
| 428 | 
  | 
} | 
| 429 | 
< | 
# Output XML prologue | 
| 429 | 
> | 
# Output angle basis | 
| 430 | 
  | 
print | 
| 431 | 
< | 
'<?xml version="1.0" encoding="UTF-8"?> | 
| 432 | 
< | 
<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"> | 
| 433 | 
< | 
        <WindowElementType>System</WindowElementType> | 
| 182 | 
< | 
        <Optical> | 
| 183 | 
< | 
                <Layer> | 
| 184 | 
< | 
                <Material> | 
| 185 | 
< | 
                        <Name>Name</Name> | 
| 186 | 
< | 
                        <Manufacturer>Manufacturer</Manufacturer> | 
| 187 | 
< | 
'; | 
| 188 | 
< | 
printf "\t\t\t<Thickness unit=\"Meter\">%.3f</Thickness>\n", $dim[5] - $dim[4]; | 
| 189 | 
< | 
printf "\t\t\t<Width unit=\"Meter\">%.3f</Width>\n", $dim[1] - $dim[0]; | 
| 190 | 
< | 
printf "\t\t\t<Height unit=\"Meter\">%.3f</Height>\n", $dim[3] - $dim[2]; | 
| 191 | 
< | 
print "\t\t\t<DeviceType>Integral</DeviceType>\n"; | 
| 192 | 
< | 
# Output MGF description if requested | 
| 193 | 
< | 
if ( $geout ) { | 
| 194 | 
< | 
        print "\t\t\t<Geometry format=\"MGF\" unit=\"Meter\">\n"; | 
| 195 | 
< | 
        printf "xf -t %.6f %.6f 0\n", -($dim[0]+$dim[1])/2, -($dim[2]+$dim[3])/2; | 
| 196 | 
< | 
        open(MGFSCN, "< $mgfscn"); | 
| 197 | 
< | 
        while (<MGFSCN>) { print $_; } | 
| 198 | 
< | 
        close MGFSCN; | 
| 199 | 
< | 
        print "xf\n"; | 
| 200 | 
< | 
        print "\t\t\t</Geometry>\n"; | 
| 201 | 
< | 
} | 
| 202 | 
< | 
print '                 </Material> | 
| 203 | 
< | 
                <DataDefinition> | 
| 204 | 
< | 
                        <IncidentDataStructure>Columns</IncidentDataStructure> | 
| 205 | 
< | 
                        <AngleBasis> | 
| 431 | 
> | 
'       <DataDefinition> | 
| 432 | 
> | 
                <IncidentDataStructure>Columns</IncidentDataStructure> | 
| 433 | 
> | 
                <AngleBasis> | 
| 434 | 
  | 
                        <AngleBasisName>LBNL/Klems Full</AngleBasisName> | 
| 435 | 
< | 
                                <AngleBasisBlock> | 
| 435 | 
> | 
                        <AngleBasisBlock> | 
| 436 | 
  | 
                                <Theta>0</Theta> | 
| 437 | 
  | 
                                <nPhis>1</nPhis> | 
| 438 | 
  | 
                                <ThetaBounds> | 
| 439 | 
< | 
                                <LowerTheta>0</LowerTheta> | 
| 440 | 
< | 
                                <UpperTheta>5</UpperTheta> | 
| 439 | 
> | 
                                        <LowerTheta>0</LowerTheta> | 
| 440 | 
> | 
                                        <UpperTheta>5</UpperTheta> | 
| 441 | 
  | 
                                </ThetaBounds> | 
| 442 | 
  | 
                                </AngleBasisBlock> | 
| 443 | 
  | 
                                <AngleBasisBlock> | 
| 508 | 
  | 
        </DataDefinition> | 
| 509 | 
  | 
'; | 
| 510 | 
  | 
if ( $doforw ) { | 
| 511 | 
< | 
print '         <WavelengthData> | 
| 511 | 
> | 
print | 
| 512 | 
> | 
'       <WavelengthData> | 
| 513 | 
  | 
                <LayerNumber>System</LayerNumber> | 
| 514 | 
  | 
                <Wavelength unit="Integral">Visible</Wavelength> | 
| 515 | 
  | 
                <SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> | 
| 529 | 
  | 
        print "\n"; | 
| 530 | 
  | 
} | 
| 531 | 
  | 
print | 
| 532 | 
< | 
'               </ScatteringData> | 
| 533 | 
< | 
        </WavelengthDataBlock> | 
| 532 | 
> | 
'                       </ScatteringData> | 
| 533 | 
> | 
                </WavelengthDataBlock> | 
| 534 | 
  | 
        </WavelengthData> | 
| 535 | 
  | 
        <WavelengthData> | 
| 536 | 
  | 
                <LayerNumber>System</LayerNumber> | 
| 552 | 
  | 
        print "\n"; | 
| 553 | 
  | 
} | 
| 554 | 
  | 
print | 
| 555 | 
< | 
'               </ScatteringData> | 
| 556 | 
< | 
        </WavelengthDataBlock> | 
| 555 | 
> | 
'                       </ScatteringData> | 
| 556 | 
> | 
                </WavelengthDataBlock> | 
| 557 | 
  | 
        </WavelengthData> | 
| 558 | 
  | 
'; | 
| 559 | 
  | 
} | 
| 560 | 
  | 
if ( $doback ) { | 
| 561 | 
< | 
print '         <WavelengthData> | 
| 561 | 
> | 
print | 
| 562 | 
> | 
'       <WavelengthData> | 
| 563 | 
  | 
                <LayerNumber>System</LayerNumber> | 
| 564 | 
  | 
                <Wavelength unit="Integral">Visible</Wavelength> | 
| 565 | 
  | 
                <SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> | 
| 579 | 
  | 
        print "\n"; | 
| 580 | 
  | 
} | 
| 581 | 
  | 
print | 
| 582 | 
< | 
'               </ScatteringData> | 
| 583 | 
< | 
        </WavelengthDataBlock> | 
| 582 | 
> | 
'                       </ScatteringData> | 
| 583 | 
> | 
                </WavelengthDataBlock> | 
| 584 | 
  | 
        </WavelengthData> | 
| 585 | 
  | 
        <WavelengthData> | 
| 586 | 
  | 
                <LayerNumber>System</LayerNumber> | 
| 602 | 
  | 
        print "\n"; | 
| 603 | 
  | 
} | 
| 604 | 
  | 
print | 
| 605 | 
< | 
'               </ScatteringData> | 
| 606 | 
< | 
        </WavelengthDataBlock> | 
| 605 | 
> | 
'                       </ScatteringData> | 
| 606 | 
> | 
                </WavelengthDataBlock> | 
| 607 | 
  | 
        </WavelengthData> | 
| 608 | 
  | 
'; | 
| 609 | 
  | 
} | 
| 610 | 
< | 
# Output XML epilogue | 
| 611 | 
< | 
print '</Layer> | 
| 382 | 
< | 
</Optical> | 
| 383 | 
< | 
</WindowElement> | 
| 384 | 
< | 
'; | 
| 385 | 
< | 
# Clean up temporary files | 
| 386 | 
< | 
system "rm -rf $td"; | 
| 610 | 
> | 
} | 
| 611 | 
> | 
#------------- End of do_matrix_bsdf() --------------# |