| 9 |  | my $windoz = ($^O eq "MSWin32" or $^O eq "MSWin64"); | 
| 10 |  | use File::Temp qw/ :mktemp  /; | 
| 11 |  | sub userror { | 
| 12 | < | print STDERR "Usage: genBSDF [-n Nproc][-c Nsamp][-W][-t{3|4} Nlog2][-r \"ropts\"][-s \"x=string;y=string\"][-dim xmin xmax ymin ymax zmin zmax][{+|-}C][{+|-}f][{+|-}b][{+|-}mgf][{+|-}geom units] [input ..]\n"; | 
| 12 | > | print STDERR "Usage: genBSDF [-n Nproc][-c Nsamp][-W][-t{3|4} Nlog2][-r \"ropts\"][-s \"x=string;y=string\"][-dim xmin xmax ymin ymax zmin zmax][{+|-}C][{+|-}a][{+|-}f][{+|-}b][{+|-}mgf][{+|-}geom units] [input ..]\n"; | 
| 13 |  | exit 1; | 
| 14 |  | } | 
| 15 |  | my ($td,$radscn,$mgfscn,$octree,$fsender,$bsender,$receivers,$facedat,$behinddat,$rmtmp); | 
| 16 | < | my ($tf,$rf,$tb,$rb,$tfx,$rfx,$tbx,$rbx,$tfz,$rfz,$tbz,$rbz); | 
| 17 | < | if ($windoz) { | 
| 16 | > | my ($tf,$rf,$tb,$rb,$tfx,$rfx,$tbx,$rbx,$tfz,$rfz,$tbz,$rbz,$cph); | 
| 17 | > | my ($curphase, $recovery); | 
| 18 | > | if ($#ARGV == 1 && "$ARGV[0]" =~ /^-rec/) { | 
| 19 | > | $td = $ARGV[1]; | 
| 20 | > | open(MYAVH, "< $td/savedARGV.txt") or die "$td: invalid path\n"; | 
| 21 | > | @ARGV = <MYAVH>; | 
| 22 | > | close MYAVH; | 
| 23 | > | chomp @ARGV; | 
| 24 | > | $recovery = 0; | 
| 25 | > | if (open(MYPH, "< $td/phase.txt")) { | 
| 26 | > | while (<MYPH>) { | 
| 27 | > | chomp($recovery = $_); | 
| 28 | > | } | 
| 29 | > | close MYPH; | 
| 30 | > | } | 
| 31 | > | } elsif ($windoz) { | 
| 32 |  | my $tmploc = `echo \%TMP\%`; | 
| 33 | < | chomp($tmploc); | 
| 33 | > | chomp $tmploc; | 
| 34 |  | $td = mkdtemp("$tmploc\\genBSDF.XXXXXX"); | 
| 35 | + | } else { | 
| 36 | + | $td = mkdtemp("/tmp/genBSDF.XXXXXX"); | 
| 37 | + | chomp $td; | 
| 38 | + | } | 
| 39 | + | if ($windoz) { | 
| 40 |  | $radscn = "$td\\device.rad"; | 
| 41 |  | $mgfscn = "$td\\device.mgf"; | 
| 42 |  | $octree = "$td\\device.oct"; | 
| 57 |  | $rfz = "$td\\rfz.dat"; | 
| 58 |  | $tbz = "$td\\tbz.dat"; | 
| 59 |  | $rbz = "$td\\rbz.dat"; | 
| 60 | < | chomp $td; | 
| 60 | > | $cph = "$td\\phase.txt"; | 
| 61 |  | $rmtmp = "rd /S /Q $td"; | 
| 62 |  | } else { | 
| 44 | – | $td = mkdtemp("/tmp/genBSDF.XXXXXX"); | 
| 45 | – | chomp $td; | 
| 63 |  | $radscn = "$td/device.rad"; | 
| 64 |  | $mgfscn = "$td/device.mgf"; | 
| 65 |  | $octree = "$td/device.oct"; | 
| 80 |  | $rfz = "$td/rfz.dat"; | 
| 81 |  | $tbz = "$td/tbz.dat"; | 
| 82 |  | $rbz = "$td/rbz.dat"; | 
| 83 | + | $cph = "$td/phase.txt"; | 
| 84 |  | $rmtmp = "rm -rf $td"; | 
| 85 |  | } | 
| 86 |  | my @savedARGV = @ARGV; | 
| 87 | < | my $rfluxmtx = "rfluxmtx -ab 5 -ad 700 -lw 3e-6"; | 
| 87 | > | my $rfluxmtx = "rfluxmtx -ab 5 -ad 700 -lw 3e-6 -w-"; | 
| 88 |  | my $wrapper = "wrapBSDF"; | 
| 89 |  | my $tensortree = 0; | 
| 90 |  | my $ttlog2 = 4; | 
| 91 | + | my $dorecip = 1; | 
| 92 |  | my $nsamp = 2000; | 
| 93 |  | my $mgfin = 0; | 
| 94 |  | my $geout = 1; | 
| 116 |  | shift @ARGV; | 
| 117 |  | } elsif ("$ARGV[0]" =~ /^[-+]C/) { | 
| 118 |  | $docolor = ("$ARGV[0]" =~ /^\+/); | 
| 119 | + | } elsif ("$ARGV[0]" =~ /^[-+]a/) { | 
| 120 | + | $dorecip = ("$ARGV[0]" =~ /^\+/); | 
| 121 |  | } elsif ("$ARGV[0]" =~ /^[-+]f/) { | 
| 122 |  | $doforw = ("$ARGV[0]" =~ /^\+/); | 
| 123 |  | } elsif ("$ARGV[0]" =~ /^[-+]b/) { | 
| 157 |  | } | 
| 158 |  | # Check that we're actually being asked to do something | 
| 159 |  | die "Must have at least one of +forward or +backward\n" if (!$doforw && !$doback); | 
| 139 | – | # Issue warning for unhandled reciprocity case | 
| 140 | – | print STDERR "Warning: recommend both +forward and +backward with -t3\n" if | 
| 141 | – | ($tensortree==3 && !($doforw && $doback)); | 
| 160 |  | $wrapper .= $tensortree ? " -a t$tensortree" : " -a kf -c"; | 
| 161 |  | $wrapper .= " -u $gunit"; | 
| 162 | < | # Get scene description and dimensions | 
| 163 | < | if ( $mgfin ) { | 
| 164 | < | system "mgf2rad @ARGV > $radscn"; | 
| 165 | < | die "Could not load MGF input\n" if ( $? ); | 
| 166 | < | } else { | 
| 149 | < | system "xform -e @ARGV > $radscn"; | 
| 150 | < | die "Could not load Radiance input\n" if ( $? ); | 
| 151 | < | } | 
| 152 | < | if ($#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] - $dim[0]) . | 
| 157 | < | ';h=' . ($dim[3] - $dim[2]) . '"'; | 
| 158 | < | # Generate octree | 
| 159 | < | system "oconv -w $radscn > $octree"; | 
| 160 | < | die "Could not compile scene\n" if ( $? ); | 
| 161 | < | # Add MGF description if requested | 
| 162 | < | if ( $geout ) { | 
| 163 | < | open(MGFSCN, "> $mgfscn"); | 
| 164 | < | printf MGFSCN "xf -t %.6f %.6f 0\n", -($dim[0]+$dim[1])/2, -($dim[2]+$dim[3])/2; | 
| 165 | < | close MGFSCN; | 
| 162 | > | if ( !defined $recovery ) { | 
| 163 | > | # Issue warning for unhandled reciprocity case | 
| 164 | > | print STDERR "Warning: recommend both +forward and +backward with -t3\n" if | 
| 165 | > | ($tensortree==3 && !($doforw && $doback)); | 
| 166 | > | # Get scene description | 
| 167 |  | if ( $mgfin ) { | 
| 168 | < | system qq{mgfilt "#,o,xf,c,cxy,cspec,cmix,m,sides,rd,td,rs,ts,ir,v,p,n,f,fh,sph,cyl,cone,prism,ring,torus" @ARGV >> $mgfscn}; | 
| 168 | > | system "mgf2rad @ARGV > $radscn"; | 
| 169 | > | die "Could not load MGF input\n" if ( $? ); | 
| 170 |  | } else { | 
| 171 | < | system "rad2mgf $radscn >> $mgfscn"; | 
| 171 | > | system "xform -e @ARGV > $radscn"; | 
| 172 | > | die "Could not load Radiance input\n" if ( $? ); | 
| 173 |  | } | 
| 171 | – | open(MGFSCN, ">> $mgfscn"); | 
| 172 | – | print MGFSCN "xf\n"; | 
| 173 | – | close MGFSCN; | 
| 174 | – | $wrapper .= " -g $mgfscn"; | 
| 174 |  | } | 
| 175 | < | # Create receiver & sender surfaces (rectangular) | 
| 175 | > | if ( $#dim != 5 ) { | 
| 176 | > | @dim = split ' ', `getbbox -h -w $radscn`; | 
| 177 | > | } | 
| 178 | > | die "Device entirely inside room!\n" if ( $dim[4] >= 0 ); | 
| 179 | > | if ( $dim[5] > 1e-5 ) { | 
| 180 | > | print STDERR "Warning: Device extends into room\n"; | 
| 181 | > | } elsif ( $dim[5]*$dim[5] > .01*($dim[1]-$dim[0])*($dim[3]-$dim[2]) ) { | 
| 182 | > | print STDERR "Warning: Device far behind Z==0 plane\n"; | 
| 183 | > | } | 
| 184 | > | # Assume Zmax==0 to derive thickness so pkgBSDF will work | 
| 185 | > | $wrapper .= ' -f "t=' . (-$dim[4]) . ';w=' . ($dim[1] - $dim[0]) . | 
| 186 | > | ';h=' . ($dim[3] - $dim[2]) . '"'; | 
| 187 | > | $wrapper .= " -g $mgfscn" if ( $geout ); | 
| 188 | > | # Calculate CIE (u',v') from Radiance RGB: | 
| 189 | > | my $CIEuv =     'Xi=.5141*Ri+.3239*Gi+.1620*Bi;' . | 
| 190 | > | 'Yi=.2651*Ri+.6701*Gi+.0648*Bi;' . | 
| 191 | > | 'Zi=.0241*Ri+.1229*Gi+.8530*Bi;' . | 
| 192 | > | 'den=Xi+15*Yi+3*Zi;' . | 
| 193 | > | 'uprime=if(Yi,4*Xi/den,4/19);' . | 
| 194 | > | 'vprime=if(Yi,9*Yi/den,9/19);' ; | 
| 195 |  | my $FEPS = 1e-5; | 
| 196 | + | my $ns = 2**$ttlog2; | 
| 197 |  | my $nx = int(sqrt($nsamp*($dim[1]-$dim[0])/($dim[3]-$dim[2])) + 1); | 
| 198 |  | my $ny = int($nsamp/$nx + 1); | 
| 199 |  | $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"; | 
| 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 ' . ($tensortree ? "h=+sc$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; | 
| 192 | – | # Finish rfluxmtx command and prepare sender surfaces | 
| 200 |  | $rfluxmtx .= " -n $nproc -c $nsamp"; | 
| 201 | < | if ( $tensortree != 3 ) {       # Isotropic tensor tree is exception | 
| 202 | < | open (RADSCN, "> $fsender"); | 
| 203 | < | print RADSCN '#@rfluxmtx u=-Y ' . ($tensortree ? "h=-sc$ns\n\n" : "h=-kf\n\n"); | 
| 204 | < | print RADSCN "void polygon fwd_sender\n0\n0\n12\n"; | 
| 205 | < | printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[2], $dim[4]-$FEPS; | 
| 206 | < | printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[3], $dim[4]-$FEPS; | 
| 207 | < | printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[3], $dim[4]-$FEPS; | 
| 208 | < | printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[2], $dim[4]-$FEPS; | 
| 201 | > | if ( !defined $recovery ) { | 
| 202 | > | open(MYAVH, "> $td/savedARGV.txt"); | 
| 203 | > | foreach (@savedARGV) { | 
| 204 | > | print MYAVH "$_\n"; | 
| 205 | > | } | 
| 206 | > | close MYAVH; | 
| 207 | > | # Generate octree | 
| 208 | > | system "oconv -w $radscn > $octree"; | 
| 209 | > | die "Could not compile scene\n" if ( $? ); | 
| 210 | > | # Add MGF description if requested | 
| 211 | > | if ( $geout ) { | 
| 212 | > | open(MGFSCN, "> $mgfscn"); | 
| 213 | > | printf MGFSCN "xf -t %.6f %.6f 0\n", -($dim[0]+$dim[1])/2, -($dim[2]+$dim[3])/2; | 
| 214 | > | close MGFSCN; | 
| 215 | > | if ( $mgfin ) { | 
| 216 | > | system qq{mgfilt "#,o,xf,c,cxy,cspec,cmix,m,sides,rd,td,rs,ts,ir,v,p,n,f,fh,sph,cyl,cone,prism,ring,torus" @ARGV >> $mgfscn}; | 
| 217 | > | } else { | 
| 218 | > | system "rad2mgf $radscn >> $mgfscn"; | 
| 219 | > | } | 
| 220 | > | open(MGFSCN, ">> $mgfscn"); | 
| 221 | > | print MGFSCN "xf\n"; | 
| 222 | > | close MGFSCN; | 
| 223 | > | } | 
| 224 | > | # Create receiver & sender surfaces (rectangular) | 
| 225 | > | open(RADSCN, "> $receivers"); | 
| 226 | > | print RADSCN '#@rfluxmtx ' . ($tensortree ? "h=-sc$ns\n" : "h=-kf\n"); | 
| 227 | > | print RADSCN '#@rfluxmtx ' . "u=-Y o=$facedat\n\n"; | 
| 228 | > | print RADSCN "void glow receiver_face\n0\n0\n4 1 1 1 0\n\n"; | 
| 229 | > | print RADSCN "receiver_face source f_receiver\n0\n0\n4 0 0 1 180\n\n"; | 
| 230 | > | print RADSCN '#@rfluxmtx ' . ($tensortree ? "h=+sc$ns\n" : "h=+kf\n"); | 
| 231 | > | print RADSCN '#@rfluxmtx ' . "u=-Y o=$behinddat\n\n"; | 
| 232 | > | print RADSCN "void glow receiver_behind\n0\n0\n4 1 1 1 0\n\n"; | 
| 233 | > | print RADSCN "receiver_behind source b_receiver\n0\n0\n4 0 0 -1 180\n"; | 
| 234 |  | close RADSCN; | 
| 235 | < | open (RADSCN, "> $bsender"); | 
| 236 | < | print RADSCN '#@rfluxmtx u=-Y ' . ($tensortree ? "h=+sc$ns\n\n" : "h=+kf\n\n"); | 
| 237 | < | print RADSCN "void polygon bwd_sender\n0\n0\n12\n"; | 
| 238 | < | printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[2], $dim[5]+$FEPS; | 
| 239 | < | printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[2], $dim[5]+$FEPS; | 
| 240 | < | printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[3], $dim[5]+$FEPS; | 
| 241 | < | printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[3], $dim[5]+$FEPS; | 
| 242 | < | close RADSCN; | 
| 235 | > | # Prepare sender surfaces | 
| 236 | > | if ( $tensortree != 3 ) {       # Isotropic tensor tree is exception | 
| 237 | > | open (RADSCN, "> $fsender"); | 
| 238 | > | print RADSCN '#@rfluxmtx u=-Y ' . ($tensortree ? "h=-sc$ns\n\n" : "h=-kf\n\n"); | 
| 239 | > | print RADSCN "void polygon fwd_sender\n0\n0\n12\n"; | 
| 240 | > | printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[2], $dim[4]-$FEPS; | 
| 241 | > | printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[3], $dim[4]-$FEPS; | 
| 242 | > | printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[3], $dim[4]-$FEPS; | 
| 243 | > | printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[2], $dim[4]-$FEPS; | 
| 244 | > | close RADSCN; | 
| 245 | > | open (RADSCN, "> $bsender"); | 
| 246 | > | print RADSCN '#@rfluxmtx u=-Y ' . ($tensortree ? "h=+sc$ns\n\n" : "h=+kf\n\n"); | 
| 247 | > | print RADSCN "void polygon bwd_sender\n0\n0\n12\n"; | 
| 248 | > | printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[2], $dim[5]+$FEPS; | 
| 249 | > | printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[2], $dim[5]+$FEPS; | 
| 250 | > | printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[3], $dim[5]+$FEPS; | 
| 251 | > | printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[3], $dim[5]+$FEPS; | 
| 252 | > | close RADSCN; | 
| 253 | > | } | 
| 254 | > | print STDERR "Recover using: $0 -recover $td\n"; | 
| 255 |  | } | 
| 256 | < | # 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;' ; | 
| 256 | > | $curphase = 0; | 
| 257 |  | # Create data segments (all the work happens here) | 
| 258 |  | if ( $tensortree ) { | 
| 259 |  | do_tree_bsdf(); | 
| 267 |  | # Clean up temporary files and exit | 
| 268 |  | exec $rmtmp; | 
| 269 |  |  | 
| 270 | < | #-------------- End of main program segment --------------# | 
| 270 | > | #============== End of main program segment ==============# | 
| 271 |  |  | 
| 272 | + | # Function to determine if next phase should be skipped or recovered | 
| 273 | + | sub do_phase { | 
| 274 | + | $curphase++; | 
| 275 | + | if ( defined $recovery ) { | 
| 276 | + | if ( $recovery > $curphase ) { return 0; } | 
| 277 | + | if ( $recovery == $curphase ) { return -1; } | 
| 278 | + | } | 
| 279 | + | open(MYPH, ">> $td/phase.txt"); | 
| 280 | + | print MYPH "$curphase\n"; | 
| 281 | + | close MYPH; | 
| 282 | + | return 1; | 
| 283 | + | } | 
| 284 | + |  | 
| 285 | + | # Check if we are in active phase (not skipping parts) | 
| 286 | + | sub active_phase { | 
| 287 | + | if ( defined $recovery ) { | 
| 288 | + | if ( $recovery > $curphase ) { return 0; } | 
| 289 | + | if ( $recovery == $curphase ) { return -1; } | 
| 290 | + | } | 
| 291 | + | return 1; | 
| 292 | + | } | 
| 293 | + |  | 
| 294 | + | # Function to run program and check output if in active phase | 
| 295 | + | sub run_check { | 
| 296 | + | if ( !active_phase() ) { return; } | 
| 297 | + | my $cmd = shift; | 
| 298 | + | # print STDERR "Running: $cmd\n"; | 
| 299 | + | system $cmd; | 
| 300 | + | die "Failure running: $cmd\n" if ( $? ); | 
| 301 | + | } | 
| 302 | + |  | 
| 303 |  | #++++++++++++++ Tensor tree BSDF generation ++++++++++++++# | 
| 304 |  | sub do_tree_bsdf { | 
| 305 |  |  | 
| 312 |  | # Call rfluxmtx and process tensor tree BSDF for the given direction | 
| 313 |  | sub do_ttree_dir { | 
| 314 |  | my $forw = shift; | 
| 315 | + | my $dop = do_phase(); | 
| 316 | + | my $r = ($dop < 0) ? " -r" : ""; | 
| 317 |  | my $cmd; | 
| 318 |  | if ( $tensortree == 3 ) { | 
| 319 |  | # Isotropic BSDF | 
| 323 |  | qq{| rcalc -e "r1=rand(.8681*recno-.673892)" } . | 
| 324 |  | qq{-e "r2=rand(-5.37138*recno+67.1737811)" } . | 
| 325 |  | qq{-e "r3=rand(+3.17603772*recno+83.766771)" } . | 
| 326 | < | qq{-e "Dx=1-2*(\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)" } . | 
| 326 | > | qq{-e "r4=rand(-1.5839226*recno-59.82712)" } . | 
| 327 | > | qq{-e "odds(n):if(.5*n-floor(.5*n)-.25,-1,1)"} . | 
| 328 | > | qq{-e "Dx=1-(\$1+r1)/$ns2" } . | 
| 329 | > | qq{-e "Dy=min(1/$ns,sqrt(1-Dx*Dx))*odds(\$1)*r2" } . | 
| 330 | > | qq{-e "Dz=sqrt(1-Dx*Dx-Dy*Dy)" } . | 
| 331 |  | qq{-e "xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]" } . | 
| 332 |  | qq{-e "yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]" } . | 
| 333 |  | qq{-e "zp=$dim[5-$forw]" -e "myDz=Dz*($forw*2-1)" } . | 
| 334 |  | qq{-e "\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz" } . | 
| 335 |  | qq{-e "\$4=Dx;\$5=Dy;\$6=myDz" } . | 
| 336 | < | "| $rfluxmtx -fa -y $ns2 - $receivers -i $octree"; | 
| 336 | > | "| $rfluxmtx$r -fa -y $ns2 - $receivers -i $octree"; | 
| 337 |  | } else { | 
| 338 |  | $cmd = "cnt $ns2 $ny $nx " . | 
| 339 | < | qq{| rcalc -e "r1=rand(.8681*recno-.673892)" } . | 
| 340 | < | qq{-e "r2=rand(-5.37138*recno+67.1737811)" } . | 
| 341 | < | qq{-e "r3=rand(+3.17603772*recno+83.766771)" } . | 
| 342 | < | qq{-e "Dx=1-2*(\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)" } . | 
| 343 | < | qq{-e "xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]" } . | 
| 344 | < | qq{-e "yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]" } . | 
| 345 | < | qq{-e "zp=$dim[5-$forw]" -e "myDz=Dz*($forw*2-1)" } . | 
| 339 | > | qq{| rcalc -e 'r1=rand(.8681*recno-.673892)' } . | 
| 340 | > | qq{-e 'r2=rand(-5.37138*recno+67.1737811)' } . | 
| 341 | > | qq{-e 'r3=rand(+3.17603772*recno+83.766771)' } . | 
| 342 | > | qq{-e 'r4=rand(-1.5839226*recno-59.82712)' } . | 
| 343 | > | qq{-e 'odds(n):if(.5*n-floor(.5*n)-.25,-1,1)' } . | 
| 344 | > | qq{-e 'Dx=1-(\$1+r1)/$ns2' } . | 
| 345 | > | qq{-e 'Dy=min(1/$ns,sqrt(1-Dx*Dx))*odds(\$1)*r2' } . | 
| 346 | > | qq{-e 'Dz=sqrt(1-Dx*Dx-Dy*Dy)' } . | 
| 347 | > | qq{-e 'xp=(\$3+r3)*(($dim[1]-$dim[0])/$nx)+$dim[0]' } . | 
| 348 | > | qq{-e 'yp=(\$2+r4)*(($dim[3]-$dim[2])/$ny)+$dim[2]' } . | 
| 349 | > | qq{-e 'zp=$dim[5-$forw]' -e 'myDz=Dz*($forw*2-1)' } . | 
| 350 |  | qq{-e '\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz' } . | 
| 351 |  | qq{-e '\$4=Dx;\$5=Dy;\$6=myDz' -of } . | 
| 352 | < | "| $rfluxmtx -h -ff -y $ns2 - $receivers -i $octree"; | 
| 352 | > | "| $rfluxmtx$r -h -ff -y $ns2 - $receivers -i $octree"; | 
| 353 |  | } | 
| 354 |  | } else { | 
| 355 |  | # Anisotropic BSDF | 
| 356 |  | my $sender = ($bsender,$fsender)[$forw]; | 
| 357 |  | if ($windoz) { | 
| 358 | < | $cmd = "$rfluxmtx -fa $sender $receivers -i $octree"; | 
| 358 | > | $cmd = "$rfluxmtx$r -fa $sender $receivers -i $octree"; | 
| 359 |  | } else { | 
| 360 | < | $cmd = "$rfluxmtx -h -ff $sender $receivers -i $octree"; | 
| 360 | > | $cmd = "$rfluxmtx$r -h -ff $sender $receivers -i $octree"; | 
| 361 |  | } | 
| 362 |  | } | 
| 363 | < | # print STDERR "Starting: $cmd\n"; | 
| 364 | < | system $cmd; | 
| 365 | < | die "Failure running rfluxmtx" if ( $? ); | 
| 363 | > | if ( $dop ) { | 
| 364 | > | # print STDERR "Running: $cmd\n"; | 
| 365 | > | system $cmd; | 
| 366 | > | die "Failure running rfluxmtx" if ( $? ); | 
| 367 | > | } | 
| 368 |  | ttree_out($forw); | 
| 369 |  | }       # end of do_ttree_dir() | 
| 370 |  |  | 
| 436 |  | } | 
| 437 |  | } | 
| 438 |  | if ($pctcull >= 0) { | 
| 439 | < | my $avg = ( "$typ" =~ /^r[fb]/ ) ? " -a" : ""; | 
| 439 | > | my $avg = ( $dorecip && ( $tensortree == 3 || "$typ" =~ /^r[fb]/ ) ) ? " -a" : ""; | 
| 440 |  | my $pcull = ("$spec" eq "Visible") ? $pctcull : | 
| 441 |  | (100 - (100-$pctcull)*.25) ; | 
| 442 |  | if ($windoz) { | 
| 447 |  | $cmd .= " -of $src " . | 
| 448 |  | "| rttree_reduce$avg -h -ff -t $pcull -r $tensortree -g $ttlog2"; | 
| 449 |  | } | 
| 450 | < | # print STDERR "Running: $cmd\n"; | 
| 369 | < | system "$cmd > $dest"; | 
| 370 | < | die "Failure running rttree_reduce" if ( $? ); | 
| 450 | > | run_check "$cmd > $dest"; | 
| 451 |  | } else { | 
| 452 |  | if ($windoz) { | 
| 453 |  | $cmd = "rcollate -ho -oc 1 $src | " . $cmd ; | 
| 454 |  | } else { | 
| 455 |  | $cmd .= " $src"; | 
| 456 |  | } | 
| 457 | < | open(DATOUT, "> $dest"); | 
| 458 | < | print DATOUT "{\n"; | 
| 459 | < | close DATOUT; | 
| 460 | < | # print STDERR "Running: $cmd\n"; | 
| 461 | < | system "$cmd >> $dest"; | 
| 462 | < | die "Failure running rcalc" if ( $? ); | 
| 463 | < | open(DATOUT, ">> $dest"); | 
| 464 | < | for (my $i = ($tensortree==3)*$ns*$ns*$ns/2; $i-- > 0; ) { | 
| 465 | < | print DATOUT "0\n"; | 
| 457 | > | if ( active_phase() ) { | 
| 458 | > | open(DATOUT, "> $dest"); | 
| 459 | > | print DATOUT "{\n"; | 
| 460 | > | close DATOUT; | 
| 461 | > | # print STDERR "Running: $cmd\n"; | 
| 462 | > | system "$cmd >> $dest"; | 
| 463 | > | die "Failure running rcalc" if ( $? ); | 
| 464 | > | open(DATOUT, ">> $dest"); | 
| 465 | > | for (my $i = ($tensortree==3)*$ns*$ns*$ns/2; $i-- > 0; ) { | 
| 466 | > | print DATOUT "0\n"; | 
| 467 | > | } | 
| 468 | > | print DATOUT "}\n"; | 
| 469 | > | close DATOUT; | 
| 470 |  | } | 
| 387 | – | print DATOUT "}\n"; | 
| 388 | – | close DATOUT; | 
| 471 |  | } | 
| 472 |  | if ( "$spec" ne "$curspec" ) { | 
| 473 |  | $wrapper .= " -s $spec"; | 
| 490 |  | # Call rfluxmtx and process tensor tree BSDF for the given direction | 
| 491 |  | sub do_matrix_dir { | 
| 492 |  | my $forw = shift; | 
| 493 | < | my $cmd; | 
| 493 | > | my $dop = do_phase(); | 
| 494 | > | my $r = ($dop < 0) ? " -r" : ""; | 
| 495 |  | my $sender = ($bsender,$fsender)[$forw]; | 
| 496 | < | $cmd = "$rfluxmtx -fd $sender $receivers -i $octree"; | 
| 497 | < | # print STDERR "Starting: $cmd\n"; | 
| 498 | < | system $cmd; | 
| 499 | < | die "Failure running rfluxmtx" if ( $? ); | 
| 496 | > | my $cmd = "$rfluxmtx$r -fd $sender $receivers -i $octree"; | 
| 497 | > | if ( $dop ) { | 
| 498 | > | # print STDERR "Running: $cmd\n"; | 
| 499 | > | system $cmd; | 
| 500 | > | die "Failure running rfluxmtx" if ( $? ); | 
| 501 | > | } | 
| 502 |  | matrix_out($forw); | 
| 503 |  | }       # end of do_matrix_dir() | 
| 504 |  |  | 
| 542 |  | } elsif ("$spec" eq "CIE-Z") { | 
| 543 |  | $cmd .= " -c 0.0241 0.1229 0.8530"; | 
| 544 |  | } | 
| 545 | < | $cmd .= " $src | rcollate -ho -oc 145"; | 
| 546 | < | # print STDERR "Running: $cmd\n"; | 
| 462 | < | system "$cmd > $dest"; | 
| 463 | < | die "Failure running rmtxop" if ( $? ); | 
| 545 | > | $cmd .= " $src | getinfo -"; | 
| 546 | > | run_check "$cmd > $dest"; | 
| 547 |  | if ( "$spec" ne "$curspec" ) { | 
| 548 |  | $wrapper .= " -s $spec"; | 
| 549 |  | $curspec = $spec; |