| 6 |  | #       G. Ward | 
| 7 |  | # | 
| 8 |  | use strict; | 
| 9 | + | use File::Temp qw/ :mktemp  /; | 
| 10 |  | sub userror { | 
| 11 | < | print STDERR "Usage: genBSDF [-n Nproc][-c Nsamp][-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 = `mktemp -d /tmp/genBSDF.XXXXXX`; | 
| 14 | > | my $td = mkdtemp("/tmp/genBSDF.XXXXXX"); | 
| 15 |  | chomp $td; | 
| 16 | < | my $nsamp = 1000; | 
| 16 | > | my @savedARGV = @ARGV; | 
| 17 | > | my $tensortree = 0; | 
| 18 | > | my $ttlog2 = 4; | 
| 19 | > | my $nsamp = 2000; | 
| 20 |  | my $rtargs = "-w -ab 5 -ad 700 -lw 3e-6"; | 
| 21 |  | my $mgfin = 0; | 
| 22 |  | my $geout = 1; | 
| 23 |  | my $nproc = 1; | 
| 24 |  | my $doforw = 0; | 
| 25 |  | my $doback = 1; | 
| 26 | + | my $pctcull = 90; | 
| 27 | + | my $gunit = "meter"; | 
| 28 |  | my @dim; | 
| 29 |  | # Get options | 
| 30 |  | while ($#ARGV >= 0) { | 
| 35 |  | shift @ARGV; | 
| 36 |  | } elsif ("$ARGV[0]" =~ /^[-+]g/) { | 
| 37 |  | $geout = ("$ARGV[0]" =~ /^\+/); | 
| 38 | + | $gunit = $ARGV[1]; | 
| 39 | + | if ($gunit !~ /^(?i)(meter|foot|inch|centimeter|millimeter)$/) { | 
| 40 | + | die "Illegal geometry unit '$gunit': must be meter, foot, inch, centimeter, or millimeter\n"; | 
| 41 | + | } | 
| 42 | + | shift @ARGV; | 
| 43 |  | } elsif ("$ARGV[0]" =~ /^[-+]f/) { | 
| 44 |  | $doforw = ("$ARGV[0]" =~ /^\+/); | 
| 45 |  | } elsif ("$ARGV[0]" =~ /^[-+]b/) { | 
| 46 |  | $doback = ("$ARGV[0]" =~ /^\+/); | 
| 47 | + | } elsif ("$ARGV[0]" eq "-t") { | 
| 48 | + | # Use value < 0 for rttree_reduce bypass | 
| 49 | + | $pctcull = $ARGV[1]; | 
| 50 | + | shift @ARGV; | 
| 51 | + | } elsif ("$ARGV[0]" =~ /^-t[34]$/) { | 
| 52 | + | $tensortree = substr($ARGV[0], 2, 1); | 
| 53 | + | $ttlog2 = $ARGV[1]; | 
| 54 | + | shift @ARGV; | 
| 55 |  | } elsif ("$ARGV[0]" eq "-c") { | 
| 56 |  | $nsamp = $ARGV[1]; | 
| 57 |  | shift @ARGV; | 
| 70 |  | shift @ARGV; | 
| 71 |  | } | 
| 72 |  | # Check that we're actually being asked to do something | 
| 73 | < | die "Must have at least one of +forward or +backward" if (!$doforw && !$doback); | 
| 73 | > | die "Must have at least one of +forward or +backward\n" if (!$doforw && !$doback); | 
| 74 |  | # Get scene description and dimensions | 
| 75 |  | my $radscn = "$td/device.rad"; | 
| 76 |  | my $mgfscn = "$td/device.mgf"; | 
| 80 |  | die "Could not load MGF input\n" if ( $? ); | 
| 81 |  | system "mgf2rad $mgfscn > $radscn"; | 
| 82 |  | } else { | 
| 83 | < | system "cat @ARGV | xform -e > $radscn"; | 
| 83 | > | system "xform -e @ARGV > $radscn"; | 
| 84 |  | die "Could not load Radiance input\n" if ( $? ); | 
| 85 |  | system "rad2mgf $radscn > $mgfscn" if ( $geout ); | 
| 86 |  | } | 
| 100 |  | # Generate octree | 
| 101 |  | system "oconv -w $radscn > $octree"; | 
| 102 |  | die "Could not compile scene\n" if ( $? ); | 
| 103 | < | # Set up sampling of interior portal | 
| 103 | > | # Output XML prologue | 
| 104 | > | print | 
| 105 | > | '<?xml version="1.0" encoding="UTF-8"?> | 
| 106 | > | <WindowElement xmlns="http://windows.lbl.gov" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://windows.lbl.gov/BSDF-v1.4.xsd"> | 
| 107 | > | '; | 
| 108 | > | print "<!-- File produced by: genBSDF @savedARGV -->\n"; | 
| 109 | > | print | 
| 110 | > | '<WindowElementType>System</WindowElementType> | 
| 111 | > | <FileType>BSDF</FileType> | 
| 112 | > | <Optical> | 
| 113 | > | <Layer> | 
| 114 | > | <Material> | 
| 115 | > | <Name>Name</Name> | 
| 116 | > | <Manufacturer>Manufacturer</Manufacturer> | 
| 117 | > | '; | 
| 118 | > | printf "\t\t<Thickness unit=\"$gunit\">%.3f</Thickness>\n", $dim[5] - $dim[4]; | 
| 119 | > | printf "\t\t<Width unit=\"$gunit\">%.3f</Width>\n", $dim[1] - $dim[0]; | 
| 120 | > | printf "\t\t<Height unit=\"$gunit\">%.3f</Height>\n", $dim[3] - $dim[2]; | 
| 121 | > | print "\t\t<DeviceType>Other</DeviceType>\n"; | 
| 122 | > | print " </Material>\n"; | 
| 123 | > | # Output MGF description if requested | 
| 124 | > | if ( $geout ) { | 
| 125 | > | print "\t<Geometry format=\"MGF\">\n"; | 
| 126 | > | print "<MGFblock unit=\"$gunit\">\n"; | 
| 127 | > | printf "xf -t %.6f %.6f 0\n", -($dim[0]+$dim[1])/2, -($dim[2]+$dim[3])/2; | 
| 128 | > | open(MGFSCN, "< $mgfscn"); | 
| 129 | > | while (<MGFSCN>) { print $_; } | 
| 130 | > | close MGFSCN; | 
| 131 | > | print "xf\n"; | 
| 132 | > | print "\t\t</MGFblock>\n"; | 
| 133 | > | print "\t</Geometry>\n"; | 
| 134 | > | } | 
| 135 | > | # Set up surface sampling | 
| 136 | > | my $nx = int(sqrt($nsamp*($dim[1]-$dim[0])/($dim[3]-$dim[2])) + .5); | 
| 137 | > | my $ny = int($nsamp/$nx + .5); | 
| 138 | > | $nsamp = $nx * $ny; | 
| 139 | > | my $ns = 2**$ttlog2; | 
| 140 | > | my (@pdiv, $disk2sq, $sq2disk, $tcal, $kcal); | 
| 141 | > | # Create data segments (all the work happens here) | 
| 142 | > | if ( $tensortree ) { | 
| 143 | > | do_tree_bsdf(); | 
| 144 | > | } else { | 
| 145 | > | do_matrix_bsdf(); | 
| 146 | > | } | 
| 147 | > | # Output XML epilogue | 
| 148 | > | print | 
| 149 | > | '</Layer> | 
| 150 | > | </Optical> | 
| 151 | > | </WindowElement> | 
| 152 | > | '; | 
| 153 | > | # Clean up temporary files and exit | 
| 154 | > | exec("rm -rf $td"); | 
| 155 | > |  | 
| 156 | > | #-------------- End of main program segment --------------# | 
| 157 | > |  | 
| 158 | > | #++++++++++++++ Tensor tree BSDF generation ++++++++++++++# | 
| 159 | > | sub do_tree_bsdf { | 
| 160 | > | # Shirley-Chiu mapping from unit square to disk | 
| 161 | > | $sq2disk = ' | 
| 162 | > | in_square_a = 2*in_square_x - 1; | 
| 163 | > | in_square_b = 2*in_square_y - 1; | 
| 164 | > | in_square_rgn = if(in_square_a + in_square_b, | 
| 165 | > | if(in_square_a - in_square_b, 1, 2), | 
| 166 | > | if(in_square_b - in_square_a, 3, 4)); | 
| 167 | > | out_disk_r = .999995*select(in_square_rgn, in_square_a, in_square_b, | 
| 168 | > | -in_square_a, -in_square_b); | 
| 169 | > | out_disk_phi = PI/4 * select(in_square_rgn, | 
| 170 | > | in_square_b/in_square_a, | 
| 171 | > | 2 - in_square_a/in_square_b, | 
| 172 | > | 4 + in_square_b/in_square_a, | 
| 173 | > | if(in_square_b*in_square_b, | 
| 174 | > | 6 - in_square_a/in_square_b, 0)); | 
| 175 | > | Dx = out_disk_r*cos(out_disk_phi); | 
| 176 | > | Dy = out_disk_r*sin(out_disk_phi); | 
| 177 | > | Dz = sqrt(1 - out_disk_r*out_disk_r); | 
| 178 | > | '; | 
| 179 | > | # Shirley-Chiu mapping from unit disk to square | 
| 180 | > | $disk2sq = ' | 
| 181 | > | norm_radians(p) : if(-p - PI/4, p + 2*PI, p); | 
| 182 | > | in_disk_r = .999995*sqrt(Dx*Dx + Dy*Dy); | 
| 183 | > | in_disk_phi = norm_radians(atan2(Dy, Dx)); | 
| 184 | > | in_disk_rgn = floor((in_disk_phi + PI/4)/(PI/2)) + 1; | 
| 185 | > | out_square_a = select(in_disk_rgn, | 
| 186 | > | in_disk_r, | 
| 187 | > | (PI/2 - in_disk_phi)*in_disk_r/(PI/4), | 
| 188 | > | -in_disk_r, | 
| 189 | > | (in_disk_phi - 3*PI/2)*in_disk_r/(PI/4)); | 
| 190 | > | out_square_b = select(in_disk_rgn, | 
| 191 | > | in_disk_phi*in_disk_r/(PI/4), | 
| 192 | > | in_disk_r, | 
| 193 | > | (PI - in_disk_phi)*in_disk_r/(PI/4), | 
| 194 | > | -in_disk_r); | 
| 195 | > | out_square_x = (out_square_a + 1)/2; | 
| 196 | > | out_square_y = (out_square_b + 1)/2; | 
| 197 | > | '; | 
| 198 | > | # Announce ourselves in XML output | 
| 199 | > | print "\t<DataDefinition>\n"; | 
| 200 | > | print "\t\t<IncidentDataStructure>TensorTree$tensortree</IncidentDataStructure>\n"; | 
| 201 | > | print "\t</DataDefinition>\n"; | 
| 202 | > |  | 
| 203 | > | # Start rcontrib processes for compute each side | 
| 204 | > | do_tree_rtcontrib(0) if ( $doback ); | 
| 205 | > | do_tree_rtcontrib(1) if ( $doforw ); | 
| 206 | > |  | 
| 207 | > | }       # end of sub do_tree_bsdf() | 
| 208 | > |  | 
| 209 | > | # Run rcontrib process to generate tensor tree samples | 
| 210 | > | sub do_tree_rtcontrib { | 
| 211 | > | my $forw = shift; | 
| 212 | > | my $matargs = "-m $bmodnm"; | 
| 213 | > | if ( !$forw || !$doback || $tensortree==3 ) { $matargs .= " -m $fmodnm"; } | 
| 214 | > | my $cmd = "rcontrib $rtargs -h -ff -fo -n $nproc -c $nsamp " . | 
| 215 | > | "-e '$disk2sq' -bn '$ns*$ns' " . | 
| 216 | > | "-b '$ns*floor(out_square_x*$ns)+floor(out_square_y*$ns)' " . | 
| 217 | > | "-o $td/%s.flt $matargs $octree"; | 
| 218 | > | if ( $tensortree == 3 ) { | 
| 219 | > | # Isotropic BSDF | 
| 220 | > | my $ns2 = $ns / 2; | 
| 221 | > | $cmd = "cnt $ns2 $ny $nx " . | 
| 222 | > | "| rcalc -e 'r1=rand(.8681*recno-.673892)' " . | 
| 223 | > | "-e 'r2=rand(-5.37138*recno+67.1737811)' " . | 
| 224 | > | "-e 'r3=rand(+3.17603772*recno+83.766771)' " . | 
| 225 | > | "-e 'Dx=1-2*(\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)' " . | 
| 226 | > | "-e 'xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . | 
| 227 | > | "-e 'yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . | 
| 228 | > | "-e 'zp=$dim[5-$forw]' -e 'myDz=Dz*($forw*2-1)' " . | 
| 229 | > | "-e '\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz' " . | 
| 230 | > | "-e '\$4=Dx;\$5=Dy;\$6=myDz' -of " . | 
| 231 | > | "| $cmd"; | 
| 232 | > | } else { | 
| 233 | > | # Anisotropic BSDF | 
| 234 | > | # Sample area vertically to improve load balance, since | 
| 235 | > | # shading systems usually have bilateral symmetry (L-R) | 
| 236 | > | $cmd = "cnt $ns $ns $ny $nx " . | 
| 237 | > | "| rcalc -e 'r1=rand(.8681*recno-.673892)' " . | 
| 238 | > | "-e 'r2=rand(-5.37138*recno+67.1737811)' " . | 
| 239 | > | "-e 'r3=rand(3.17603772*recno+83.766771)' " . | 
| 240 | > | "-e 'r4=rand(-2.3857833*recno-964.72738)' " . | 
| 241 | > | "-e 'in_square_x=(\$1+r1)/$ns' " . | 
| 242 | > | "-e 'in_square_y=(\$2+r2)/$ns' -e '$sq2disk' " . | 
| 243 | > | "-e 'xp=(\$4+r3)*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . | 
| 244 | > | "-e 'yp=(\$3+r4)*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . | 
| 245 | > | "-e 'zp=$dim[5-$forw]' -e 'myDz=Dz*($forw*2-1)' " . | 
| 246 | > | "-e '\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz' " . | 
| 247 | > | "-e '\$4=Dx;\$5=Dy;\$6=myDz' -of " . | 
| 248 | > | "| $cmd"; | 
| 249 | > | } | 
| 250 | > | # print STDERR "Starting: $cmd\n"; | 
| 251 | > | system "$cmd" || die "Failure running rcontrib"; | 
| 252 | > | ttree_out($forw); | 
| 253 | > | }       # end of do_tree_rtcontrib() | 
| 254 | > |  | 
| 255 | > | # Simplify and output tensor tree results | 
| 256 | > | sub ttree_out { | 
| 257 | > | my $forw = shift; | 
| 258 | > | my $side = ("Back","Front")[$forw]; | 
| 259 | > | my $cmd; | 
| 260 | > | # Only output one transmitted anisotropic distribution, preferring backwards | 
| 261 | > | if ( !$forw || !$doback || $tensortree==3 ) { | 
| 262 | > | print | 
| 263 | > | '       <WavelengthData> | 
| 264 | > | <LayerNumber>System</LayerNumber> | 
| 265 | > | <Wavelength unit="Integral">Visible</Wavelength> | 
| 266 | > | <SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> | 
| 267 | > | <DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> | 
| 268 | > | <WavelengthDataBlock> | 
| 269 | > | '; | 
| 270 | > | print "\t\t\t<WavelengthDataDirection>Transmission $side</WavelengthDataDirection>\n"; | 
| 271 | > | print | 
| 272 | > | '                       <AngleBasis>LBNL/Shirley-Chiu</AngleBasis> | 
| 273 | > | <ScatteringDataType>BTDF</ScatteringDataType> | 
| 274 | > | <ScatteringData> | 
| 275 | > | '; | 
| 276 | > | $cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . | 
| 277 | > | q{-e '$1=(0.265*$1+0.670*$2+0.065*$3)/Omega' }; | 
| 278 | > | if ($pctcull >= 0) { | 
| 279 | > | $cmd .= "-of $td/" . ($bmodnm,$fmodnm)[$forw] . ".flt " . | 
| 280 | > | "| rttree_reduce -a -h -ff -t $pctcull -r $tensortree -g $ttlog2"; | 
| 281 | > | system "$cmd" || die "Failure running rttree_reduce"; | 
| 282 | > | } else { | 
| 283 | > | $cmd .= "$td/" . ($bmodnm,$fmodnm)[$forw] . ".flt"; | 
| 284 | > | print "{\n"; | 
| 285 | > | system "$cmd" || die "Failure running rcalc"; | 
| 286 | > | for (my $i = ($tensortree==3)*$ns*$ns*$ns/2; $i-- > 0; ) { | 
| 287 | > | print "0\n"; | 
| 288 | > | } | 
| 289 | > | print "}\n"; | 
| 290 | > | } | 
| 291 | > | print | 
| 292 | > | '                       </ScatteringData> | 
| 293 | > | </WavelengthDataBlock> | 
| 294 | > | </WavelengthData> | 
| 295 | > | '; | 
| 296 | > | } | 
| 297 | > | # Output reflection | 
| 298 | > | print | 
| 299 | > | '       <WavelengthData> | 
| 300 | > | <LayerNumber>System</LayerNumber> | 
| 301 | > | <Wavelength unit="Integral">Visible</Wavelength> | 
| 302 | > | <SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> | 
| 303 | > | <DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> | 
| 304 | > | <WavelengthDataBlock> | 
| 305 | > | '; | 
| 306 | > | print "\t\t\t<WavelengthDataDirection>Reflection $side</WavelengthDataDirection>\n"; | 
| 307 | > | print | 
| 308 | > | '                       <AngleBasis>LBNL/Shirley-Chiu</AngleBasis> | 
| 309 | > | <ScatteringDataType>BTDF</ScatteringDataType> | 
| 310 | > | <ScatteringData> | 
| 311 | > | '; | 
| 312 | > | $cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . | 
| 313 | > | q{-e '$1=(0.265*$1+0.670*$2+0.065*$3)/Omega' }; | 
| 314 | > | if ($pctcull >= 0) { | 
| 315 | > | $cmd .= "-of $td/" . ($fmodnm,$bmodnm)[$forw] . ".flt " . | 
| 316 | > | "| rttree_reduce -a -h -ff -t $pctcull -r $tensortree -g $ttlog2"; | 
| 317 | > | system "$cmd" || die "Failure running rttree_reduce"; | 
| 318 | > | } else { | 
| 319 | > | $cmd .= "$td/" . ($fmodnm,$bmodnm)[$forw] . ".flt"; | 
| 320 | > | print "{\n"; | 
| 321 | > | system "$cmd" || die "Failure running rcalc"; | 
| 322 | > | for (my $i = ($tensortree==3)*$ns*$ns*$ns/2; $i-- > 0; ) { | 
| 323 | > | print "0\n"; | 
| 324 | > | } | 
| 325 | > | print "}\n"; | 
| 326 | > | } | 
| 327 | > | print | 
| 328 | > | '                       </ScatteringData> | 
| 329 | > | </WavelengthDataBlock> | 
| 330 | > | </WavelengthData> | 
| 331 | > | '; | 
| 332 | > | }       # end of ttree_out() | 
| 333 | > |  | 
| 334 | > | #------------- End of do_tree_bsdf() & subroutines -------------# | 
| 335 | > |  | 
| 336 | > | #+++++++++++++++ Klems matrix BSDF generation +++++++++++++++# | 
| 337 | > | sub do_matrix_bsdf { | 
| 338 | > | # Set up sampling of portal | 
| 339 |  | # Kbin to produce incident direction in full Klems basis with (x1,x2) randoms | 
| 340 | < | my $tcal = ' | 
| 340 | > | $tcal = ' | 
| 341 |  | DEGREE : PI/180; | 
| 342 |  | sq(x) : x*x; | 
| 343 | < | Kpola(r) : select(r+1, -5, 5, 15, 25, 35, 45, 55, 65, 75, 90); | 
| 343 | > | Kpola(r) : select(r+1, 0, 5, 15, 25, 35, 45, 55, 65, 75, 90); | 
| 344 |  | Knaz(r) : select(r, 1, 8, 16, 20, 24, 24, 24, 16, 12); | 
| 345 |  | Kaccum(r) : if(r-.5, Knaz(r) + Kaccum(r-1), 0); | 
| 346 |  | Kmax : Kaccum(Knaz(0)); | 
| 358 |  | 1 - sq(cos(Kpola(1)*DEGREE))); | 
| 359 |  | '; | 
| 360 |  | # Compute Klems bin from exiting ray direction (forward or backward) | 
| 361 | < | my $kcal = ' | 
| 361 | > | $kcal = ' | 
| 362 |  | DEGREE : PI/180; | 
| 363 |  | abs(x) : if(x, x, -x); | 
| 364 | < | Acos(x) : 1/DEGREE * if(x-1, 0, if(-1-x, 0, acos(x))); | 
| 364 | > | Acos(x) : if(x-1, 0, if(-1-x, PI, acos(x))) / DEGREE; | 
| 365 |  | posangle(a) : if(-a, a + 2*PI, a); | 
| 366 | < | Atan2(y,x) : 1/DEGREE * posangle(atan2(y,x)); | 
| 366 | > | Atan2(y,x) : posangle(atan2(y,x)) / DEGREE; | 
| 367 |  | kpola(r) : select(r, 5, 15, 25, 35, 45, 55, 65, 75, 90); | 
| 368 |  | knaz(r) : select(r, 1, 8, 16, 20, 24, 24, 24, 16, 12); | 
| 369 |  | kaccum(r) : if(r-.5, knaz(r) + kaccum(r-1), 0); | 
| 384 |  | kbin = kbin2(Acos(abs(Dz)),Atan2(Dy,Dx)); | 
| 385 |  | '; | 
| 386 |  | my $ndiv = 145; | 
| 387 | < | my $nx = int(sqrt($nsamp*($dim[1]-$dim[0])/($dim[3]-$dim[2])) + .5); | 
| 134 | < | my $ny = int($nsamp/$nx + .5); | 
| 135 | < | $nsamp = $nx * $ny; | 
| 136 | < | # Compute scattering data using rtcontrib | 
| 387 | > | # Compute scattering data using rcontrib | 
| 388 |  | my @tfarr; | 
| 389 |  | my @rfarr; | 
| 390 |  | my @tbarr; | 
| 391 |  | my @rbarr; | 
| 392 |  | my $cmd; | 
| 393 | < | my $rtcmd = "rtcontrib -h -ff -fo -n $nproc -c $nsamp " . | 
| 393 | > | my $rtcmd = "rcontrib $rtargs -h -ff -fo -n $nproc -c $nsamp " . | 
| 394 |  | "-e '$kcal' -b kbin -bn $ndiv " . | 
| 395 | < | "-o '$td/%s.flt' -m $fmodnm -m $bmodnm $rtargs $octree"; | 
| 395 | > | "-o '$td/%s.flt' -m $fmodnm -m $bmodnm $octree"; | 
| 396 |  | my $rccmd = "rcalc -e '$tcal' " . | 
| 397 |  | "-e 'mod(n,d):n-floor(n/d)*d' -e 'Kbin=mod(recno-.999,$ndiv)' " . | 
| 398 | < | q{-if3 -e '$1=(0.265*$1+0.670*$2+0.065*$3)/KprojOmega'}; | 
| 398 | > | q{-if3 -e '$1=(0.265*$1+0.670*$2+0.065*$3)/KprojOmega' }; | 
| 399 |  | if ( $doforw ) { | 
| 400 |  | $cmd = "cnt $ndiv $ny $nx | rcalc -of -e '$tcal' " . | 
| 401 |  | "-e 'xp=(\$3+rand(.12*recno+288))*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . | 
| 407 |  | system "$cmd" || die "Failure running: $cmd\n"; | 
| 408 |  | @tfarr = `$rccmd $td/$fmodnm.flt`; | 
| 409 |  | die "Failure running: $rccmd $td/$fmodnm.flt\n" if ( $? ); | 
| 410 | + | chomp(@tfarr); | 
| 411 |  | @rfarr = `$rccmd $td/$bmodnm.flt`; | 
| 412 |  | die "Failure running: $rccmd $td/$bmodnm.flt\n" if ( $? ); | 
| 413 | + | chomp(@rfarr); | 
| 414 |  | } | 
| 415 |  | if ( $doback ) { | 
| 416 |  | $cmd = "cnt $ndiv $ny $nx | rcalc -of -e '$tcal' " . | 
| 423 |  | system "$cmd" || die "Failure running: $cmd\n"; | 
| 424 |  | @tbarr = `$rccmd $td/$bmodnm.flt`; | 
| 425 |  | die "Failure running: $rccmd $td/$bmodnm.flt\n" if ( $? ); | 
| 426 | + | chomp(@tbarr); | 
| 427 |  | @rbarr = `$rccmd $td/$fmodnm.flt`; | 
| 428 |  | die "Failure running: $rccmd $td/$fmodnm.flt\n" if ( $? ); | 
| 429 | + | chomp(@rbarr); | 
| 430 |  | } | 
| 431 | < | # Output XML prologue | 
| 431 | > | # Output angle basis | 
| 432 |  | print | 
| 433 | < | '<?xml version="1.0" encoding="UTF-8"?> | 
| 434 | < | <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"> | 
| 435 | < | <WindowElementType>System</WindowElementType> | 
| 181 | < | <Optical> | 
| 182 | < | <Layer> | 
| 183 | < | <Material> | 
| 184 | < | <Name>Name</Name> | 
| 185 | < | <Manufacturer>Manufacturer</Manufacturer> | 
| 186 | < | '; | 
| 187 | < | printf "\t\t\t<Thickness unit=\"Meter\">%.3f</Thickness>\n", $dim[5] - $dim[4]; | 
| 188 | < | printf "\t\t\t<Width unit=\"Meter\">%.3f</Width>\n", $dim[1] - $dim[0]; | 
| 189 | < | printf "\t\t\t<Height unit=\"Meter\">%.3f</Height>\n", $dim[3] - $dim[2]; | 
| 190 | < | print "\t\t\t<DeviceType>Integral</DeviceType>\n"; | 
| 191 | < | # Output MGF description if requested | 
| 192 | < | if ( $geout ) { | 
| 193 | < | print "\t\t\t<Geometry format=\"MGF\" unit=\"Meter\">\n"; | 
| 194 | < | printf "xf -t %.6f %.6f 0\n", -($dim[0]+$dim[1])/2, -($dim[2]+$dim[3])/2; | 
| 195 | < | system "cat $mgfscn"; | 
| 196 | < | print "xf\n"; | 
| 197 | < | print "\t\t\t</Geometry>\n"; | 
| 198 | < | } | 
| 199 | < | print '                 </Material> | 
| 200 | < | <DataDefinition> | 
| 201 | < | <IncidentDataStructure>Columns</IncidentDataStructure> | 
| 202 | < | <AngleBasis> | 
| 433 | > | '       <DataDefinition> | 
| 434 | > | <IncidentDataStructure>Columns</IncidentDataStructure> | 
| 435 | > | <AngleBasis> | 
| 436 |  | <AngleBasisName>LBNL/Klems Full</AngleBasisName> | 
| 437 | < | <AngleBasisBlock> | 
| 438 | < | <Theta>0</Theta> | 
| 439 | < | <nPhis>1</nPhis> | 
| 440 | < | <ThetaBounds> | 
| 437 | > | <AngleBasisBlock> | 
| 438 | > | <Theta>0</Theta> | 
| 439 | > | <nPhis>1</nPhis> | 
| 440 | > | <ThetaBounds> | 
| 441 |  | <LowerTheta>0</LowerTheta> | 
| 442 |  | <UpperTheta>5</UpperTheta> | 
| 443 | < | </ThetaBounds> | 
| 211 | < | </AngleBasisBlock> | 
| 212 | < | <AngleBasisBlock> | 
| 213 | < | <Theta>10</Theta> | 
| 214 | < | <nPhis>8</nPhis> | 
| 215 | < | <ThetaBounds> | 
| 216 | < | <LowerTheta>5</LowerTheta> | 
| 217 | < | <UpperTheta>15</UpperTheta> | 
| 218 | < | </ThetaBounds> | 
| 219 | < | </AngleBasisBlock> | 
| 220 | < | <AngleBasisBlock> | 
| 221 | < | <Theta>20</Theta> | 
| 222 | < | <nPhis>16</nPhis> | 
| 223 | < | <ThetaBounds> | 
| 224 | < | <LowerTheta>15</LowerTheta> | 
| 225 | < | <UpperTheta>25</UpperTheta> | 
| 226 | < | </ThetaBounds> | 
| 227 | < | </AngleBasisBlock> | 
| 228 | < | <AngleBasisBlock> | 
| 229 | < | <Theta>30</Theta> | 
| 230 | < | <nPhis>20</nPhis> | 
| 231 | < | <ThetaBounds> | 
| 232 | < | <LowerTheta>25</LowerTheta> | 
| 233 | < | <UpperTheta>35</UpperTheta> | 
| 234 | < | </ThetaBounds> | 
| 235 | < | </AngleBasisBlock> | 
| 236 | < | <AngleBasisBlock> | 
| 237 | < | <Theta>40</Theta> | 
| 238 | < | <nPhis>24</nPhis> | 
| 239 | < | <ThetaBounds> | 
| 240 | < | <LowerTheta>35</LowerTheta> | 
| 241 | < | <UpperTheta>45</UpperTheta> | 
| 242 | < | </ThetaBounds> | 
| 243 | < | </AngleBasisBlock> | 
| 244 | < | <AngleBasisBlock> | 
| 245 | < | <Theta>50</Theta> | 
| 246 | < | <nPhis>24</nPhis> | 
| 247 | < | <ThetaBounds> | 
| 248 | < | <LowerTheta>45</LowerTheta> | 
| 249 | < | <UpperTheta>55</UpperTheta> | 
| 250 | < | </ThetaBounds> | 
| 251 | < | </AngleBasisBlock> | 
| 252 | < | <AngleBasisBlock> | 
| 253 | < | <Theta>60</Theta> | 
| 254 | < | <nPhis>24</nPhis> | 
| 255 | < | <ThetaBounds> | 
| 256 | < | <LowerTheta>55</LowerTheta> | 
| 257 | < | <UpperTheta>65</UpperTheta> | 
| 258 | < | </ThetaBounds> | 
| 259 | < | </AngleBasisBlock> | 
| 260 | < | <AngleBasisBlock> | 
| 261 | < | <Theta>70</Theta> | 
| 262 | < | <nPhis>16</nPhis> | 
| 263 | < | <ThetaBounds> | 
| 264 | < | <LowerTheta>65</LowerTheta> | 
| 265 | < | <UpperTheta>75</UpperTheta> | 
| 266 | < | </ThetaBounds> | 
| 267 | < | </AngleBasisBlock> | 
| 268 | < | <AngleBasisBlock> | 
| 269 | < | <Theta>82.5</Theta> | 
| 270 | < | <nPhis>12</nPhis> | 
| 271 | < | <ThetaBounds> | 
| 272 | < | <LowerTheta>75</LowerTheta> | 
| 273 | < | <UpperTheta>90</UpperTheta> | 
| 274 | < | </ThetaBounds> | 
| 443 | > | </ThetaBounds> | 
| 444 |  | </AngleBasisBlock> | 
| 445 | + | <AngleBasisBlock> | 
| 446 | + | <Theta>10</Theta> | 
| 447 | + | <nPhis>8</nPhis> | 
| 448 | + | <ThetaBounds> | 
| 449 | + | <LowerTheta>5</LowerTheta> | 
| 450 | + | <UpperTheta>15</UpperTheta> | 
| 451 | + | </ThetaBounds> | 
| 452 | + | </AngleBasisBlock> | 
| 453 | + | <AngleBasisBlock> | 
| 454 | + | <Theta>20</Theta> | 
| 455 | + | <nPhis>16</nPhis> | 
| 456 | + | <ThetaBounds> | 
| 457 | + | <LowerTheta>15</LowerTheta> | 
| 458 | + | <UpperTheta>25</UpperTheta> | 
| 459 | + | </ThetaBounds> | 
| 460 | + | </AngleBasisBlock> | 
| 461 | + | <AngleBasisBlock> | 
| 462 | + | <Theta>30</Theta> | 
| 463 | + | <nPhis>20</nPhis> | 
| 464 | + | <ThetaBounds> | 
| 465 | + | <LowerTheta>25</LowerTheta> | 
| 466 | + | <UpperTheta>35</UpperTheta> | 
| 467 | + | </ThetaBounds> | 
| 468 | + | </AngleBasisBlock> | 
| 469 | + | <AngleBasisBlock> | 
| 470 | + | <Theta>40</Theta> | 
| 471 | + | <nPhis>24</nPhis> | 
| 472 | + | <ThetaBounds> | 
| 473 | + | <LowerTheta>35</LowerTheta> | 
| 474 | + | <UpperTheta>45</UpperTheta> | 
| 475 | + | </ThetaBounds> | 
| 476 | + | </AngleBasisBlock> | 
| 477 | + | <AngleBasisBlock> | 
| 478 | + | <Theta>50</Theta> | 
| 479 | + | <nPhis>24</nPhis> | 
| 480 | + | <ThetaBounds> | 
| 481 | + | <LowerTheta>45</LowerTheta> | 
| 482 | + | <UpperTheta>55</UpperTheta> | 
| 483 | + | </ThetaBounds> | 
| 484 | + | </AngleBasisBlock> | 
| 485 | + | <AngleBasisBlock> | 
| 486 | + | <Theta>60</Theta> | 
| 487 | + | <nPhis>24</nPhis> | 
| 488 | + | <ThetaBounds> | 
| 489 | + | <LowerTheta>55</LowerTheta> | 
| 490 | + | <UpperTheta>65</UpperTheta> | 
| 491 | + | </ThetaBounds> | 
| 492 | + | </AngleBasisBlock> | 
| 493 | + | <AngleBasisBlock> | 
| 494 | + | <Theta>70</Theta> | 
| 495 | + | <nPhis>16</nPhis> | 
| 496 | + | <ThetaBounds> | 
| 497 | + | <LowerTheta>65</LowerTheta> | 
| 498 | + | <UpperTheta>75</UpperTheta> | 
| 499 | + | </ThetaBounds> | 
| 500 | + | </AngleBasisBlock> | 
| 501 | + | <AngleBasisBlock> | 
| 502 | + | <Theta>82.5</Theta> | 
| 503 | + | <nPhis>12</nPhis> | 
| 504 | + | <ThetaBounds> | 
| 505 | + | <LowerTheta>75</LowerTheta> | 
| 506 | + | <UpperTheta>90</UpperTheta> | 
| 507 | + | </ThetaBounds> | 
| 508 | + | </AngleBasisBlock> | 
| 509 |  | </AngleBasis> | 
| 510 |  | </DataDefinition> | 
| 511 |  | '; | 
| 512 |  | if ( $doforw ) { | 
| 513 | < | print '         <WavelengthData> | 
| 513 | > | print | 
| 514 | > | '       <WavelengthData> | 
| 515 |  | <LayerNumber>System</LayerNumber> | 
| 516 |  | <Wavelength unit="Integral">Visible</Wavelength> | 
| 517 |  | <SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> | 
| 526 |  | # Output front transmission (transposed order) | 
| 527 |  | for (my $od = 0; $od < $ndiv; $od++) { | 
| 528 |  | for (my $id = 0; $id < $ndiv; $id++) { | 
| 529 | < | print $tfarr[$ndiv*$id + $od]; | 
| 529 | > | print $tfarr[$ndiv*$id + $od], ",\n"; | 
| 530 |  | } | 
| 531 |  | print "\n"; | 
| 532 |  | } | 
| 533 |  | print | 
| 534 | < | '               </ScatteringData> | 
| 535 | < | </WavelengthDataBlock> | 
| 534 | > | '                       </ScatteringData> | 
| 535 | > | </WavelengthDataBlock> | 
| 536 |  | </WavelengthData> | 
| 537 |  | <WavelengthData> | 
| 538 |  | <LayerNumber>System</LayerNumber> | 
| 543 |  | <WavelengthDataDirection>Reflection Front</WavelengthDataDirection> | 
| 544 |  | <ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> | 
| 545 |  | <RowAngleBasis>LBNL/Klems Full</RowAngleBasis> | 
| 546 | < | <ScatteringDataType>BRDF</ScatteringDataType> | 
| 546 | > | <ScatteringDataType>BTDF</ScatteringDataType> | 
| 547 |  | <ScatteringData> | 
| 548 |  | '; | 
| 549 |  | # Output front reflection (transposed order) | 
| 550 |  | for (my $od = 0; $od < $ndiv; $od++) { | 
| 551 |  | for (my $id = 0; $id < $ndiv; $id++) { | 
| 552 | < | print $rfarr[$ndiv*$id + $od]; | 
| 552 | > | print $rfarr[$ndiv*$id + $od], ",\n"; | 
| 553 |  | } | 
| 554 |  | print "\n"; | 
| 555 |  | } | 
| 556 |  | print | 
| 557 | < | '               </ScatteringData> | 
| 558 | < | </WavelengthDataBlock> | 
| 557 | > | '                       </ScatteringData> | 
| 558 | > | </WavelengthDataBlock> | 
| 559 |  | </WavelengthData> | 
| 560 |  | '; | 
| 561 |  | } | 
| 562 |  | if ( $doback ) { | 
| 563 | < | print '         <WavelengthData> | 
| 563 | > | print | 
| 564 | > | '       <WavelengthData> | 
| 565 |  | <LayerNumber>System</LayerNumber> | 
| 566 |  | <Wavelength unit="Integral">Visible</Wavelength> | 
| 567 |  | <SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> | 
| 576 |  | # Output back transmission (transposed order) | 
| 577 |  | for (my $od = 0; $od < $ndiv; $od++) { | 
| 578 |  | for (my $id = 0; $id < $ndiv; $id++) { | 
| 579 | < | print $tbarr[$ndiv*$id + $od]; | 
| 579 | > | print $tbarr[$ndiv*$id + $od], ",\n"; | 
| 580 |  | } | 
| 581 |  | print "\n"; | 
| 582 |  | } | 
| 583 |  | print | 
| 584 | < | '               </ScatteringData> | 
| 585 | < | </WavelengthDataBlock> | 
| 584 | > | '                       </ScatteringData> | 
| 585 | > | </WavelengthDataBlock> | 
| 586 |  | </WavelengthData> | 
| 587 |  | <WavelengthData> | 
| 588 |  | <LayerNumber>System</LayerNumber> | 
| 593 |  | <WavelengthDataDirection>Reflection Back</WavelengthDataDirection> | 
| 594 |  | <ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> | 
| 595 |  | <RowAngleBasis>LBNL/Klems Full</RowAngleBasis> | 
| 596 | < | <ScatteringDataType>BRDF</ScatteringDataType> | 
| 596 | > | <ScatteringDataType>BTDF</ScatteringDataType> | 
| 597 |  | <ScatteringData> | 
| 598 |  | '; | 
| 599 |  | # Output back reflection (transposed order) | 
| 600 |  | for (my $od = 0; $od < $ndiv; $od++) { | 
| 601 |  | for (my $id = 0; $id < $ndiv; $id++) { | 
| 602 | < | print $rbarr[$ndiv*$id + $od]; | 
| 602 | > | print $rbarr[$ndiv*$id + $od], ",\n"; | 
| 603 |  | } | 
| 604 |  | print "\n"; | 
| 605 |  | } | 
| 606 |  | print | 
| 607 | < | '               </ScatteringData> | 
| 608 | < | </WavelengthDataBlock> | 
| 607 | > | '                       </ScatteringData> | 
| 608 | > | </WavelengthDataBlock> | 
| 609 |  | </WavelengthData> | 
| 610 |  | '; | 
| 611 |  | } | 
| 612 | < | # Output XML epilogue | 
| 613 | < | print '</Layer> | 
| 379 | < | </Optical> | 
| 380 | < | </WindowElement> | 
| 381 | < | '; | 
| 382 | < | # Clean up temporary files | 
| 383 | < | system "rm -rf $td"; | 
| 612 | > | } | 
| 613 | > | #------------- End of do_matrix_bsdf() --------------# |