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root/radiance/src/util/genBSDF.pl
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Comparing src/util/genBSDF.pl (file contents):
Revision 2.69 by greg, Fri Sep 16 22:42:42 2016 UTC vs.
Revision 2.79 by greg, Tue Apr 17 18:11:17 2018 UTC

# Line 9 | Line 9 | use strict;
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,$rmtmp);
# Line 84 | Line 84 | if ($windoz) {
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 $geout = 1;
# Line 115 | Line 116 | while ($#ARGV >= 0) {
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/) {
# Line 170 | Line 173 | if ( !defined $recovery ) {
173          }
174   }
175   if ( $#dim != 5 ) {
176 <        @dim = split ' ', `getbbox -h $radscn`;
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 ) {
# Line 186 | Line 189 | $wrapper .= " -g $mgfscn" if ( $geout );
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;' .
192 >                'den=Xi+15*Yi+3*Zi+1e-9;' .
193                  'uprime=4*Xi/den;vprime=9*Yi/den;' ;
194   my $FEPS = 1e-5;
195   my $ns = 2**$ttlog2;
# Line 201 | Line 204 | if ( !defined $recovery ) {
204          }
205          close MYAVH;
206          # Generate octree
207 <        system "oconv -w $radscn > $octree";
207 >        system "oconv -w -f $radscn > $octree";
208          die "Could not compile scene\n" if ( $? );
209          # Add MGF description if requested
210          if ( $geout ) {
# Line 249 | Line 252 | if ( !defined $recovery ) {
252          }
253          print STDERR "Recover using: $0 -recover $td\n";
254   }
252 – # Open unbuffered progress file
253 – open(MYPH, ">> $td/phase.txt");
254 – {
255 –        my $ofh = select MYPH;
256 –        $| = 1;
257 –        select $ofh;
258 – }
255   $curphase = 0;
256   # Create data segments (all the work happens here)
257   if ( $tensortree ) {
# Line 275 | Line 271 | exec $rmtmp;
271   # Function to determine if next phase should be skipped or recovered
272   sub do_phase {
273          $curphase++;
274 <        if (defined $recovery) {
275 <                if ($recovery > $curphase) { return 0; }
276 <                if ($recovery == $curphase) { return -1; }
274 >        if ( defined $recovery ) {
275 >                if ( $recovery > $curphase ) { return 0; }
276 >                if ( $recovery == $curphase ) { return -1; }
277          }
278 +        open(MYPH, ">> $td/phase.txt");
279          print MYPH "$curphase\n";
280 +        close MYPH;
281          return 1;
282   }
283  
284 + # Check if we are in active phase (not skipping parts)
285 + sub active_phase {
286 +        if ( defined $recovery ) {
287 +                if ( $recovery > $curphase ) { return 0; }
288 +                if ( $recovery == $curphase ) { return -1; }
289 +        }
290 +        return 1;
291 + }
292 +
293 + # Function to run program and check output if in active phase
294 + sub run_check {
295 +        if ( !active_phase() ) { return; }
296 +        my $cmd = shift;
297 +        # print STDERR "Running: $cmd\n";
298 +        system $cmd;
299 +        die "Failure running: $cmd\n" if ( $? );
300 + }
301 +
302   #++++++++++++++ Tensor tree BSDF generation ++++++++++++++#
303   sub do_tree_bsdf {
304  
# Line 295 | Line 311 | sub do_tree_bsdf {
311   # Call rfluxmtx and process tensor tree BSDF for the given direction
312   sub do_ttree_dir {
313          my $forw = shift;
314 <        my $r = do_phase();
315 <        if (!$r) { return; }
300 <        $r = ($r < 0) ? " -r" : "";
314 >        my $dop = do_phase();
315 >        my $r = ($dop < 0) ? " -r" : "";
316          my $cmd;
317          if ( $tensortree == 3 ) {
318                  # Isotropic BSDF
# Line 316 | Line 331 | sub do_ttree_dir {
331                                  "| $rfluxmtx$r -fa -y $ns2 - $receivers -i $octree";
332                  } else {
333                          $cmd = "cnt $ns2 $ny $nx " .
334 <                                qq{| rcalc -e "r1=rand(.8681*recno-.673892)" } .
335 <                                qq{-e "r2=rand(-5.37138*recno+67.1737811)" } .
336 <                                qq{-e "r3=rand(+3.17603772*recno+83.766771)" } .
337 <                                qq{-e "Dx=1-2*(\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)" } .
338 <                                qq{-e "xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]" } .
339 <                                qq{-e "yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]" } .
340 <                                qq{-e "zp=$dim[5-$forw]" -e "myDz=Dz*($forw*2-1)" } .
334 >                                qq{| rcalc -e 'r1=rand(.8681*recno-.673892)' } .
335 >                                qq{-e 'r2=rand(-5.37138*recno+67.1737811)' } .
336 >                                qq{-e 'r3=rand(+3.17603772*recno+83.766771)' } .
337 >                                qq{-e 'Dx=1-2*(\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)' } .
338 >                                qq{-e 'xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]' } .
339 >                                qq{-e 'yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]' } .
340 >                                qq{-e 'zp=$dim[5-$forw]' -e 'myDz=Dz*($forw*2-1)' } .
341                                  qq{-e '\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz' } .
342                                  qq{-e '\$4=Dx;\$5=Dy;\$6=myDz' -of } .
343                                  "| $rfluxmtx$r -h -ff -y $ns2 - $receivers -i $octree";
# Line 336 | Line 351 | sub do_ttree_dir {
351                          $cmd = "$rfluxmtx$r -h -ff $sender $receivers -i $octree";
352                  }
353          }
354 <        # print STDERR "Starting: $cmd\n";
355 <        system $cmd;
356 <        die "Failure running rfluxmtx" if ( $? );
354 >        if ( $dop ) {
355 >                # print STDERR "Running: $cmd\n";
356 >                system $cmd;
357 >                die "Failure running rfluxmtx" if ( $? );
358 >        }
359          ttree_out($forw);
360   }       # end of do_ttree_dir()
361  
# Line 410 | Line 427 | sub ttree_comp {
427                  }
428          }
429          if ($pctcull >= 0) {
430 <                my $avg = ( "$typ" =~ /^r[fb]/ ) ? " -a" : "";
430 >                my $avg = ( $dorecip && "$typ" =~ /^r[fb]/ ) ? " -a" : "";
431                  my $pcull = ("$spec" eq "Visible") ? $pctcull :
432                                                       (100 - (100-$pctcull)*.25) ;
433                  if ($windoz) {
# Line 421 | Line 438 | sub ttree_comp {
438                          $cmd .= " -of $src " .
439                                          "| rttree_reduce$avg -h -ff -t $pcull -r $tensortree -g $ttlog2";
440                  }
441 <                # print STDERR "Running: $cmd\n";
425 <                system "$cmd > $dest";
426 <                die "Failure running rttree_reduce" if ( $? );
441 >                run_check "$cmd > $dest";
442          } else {
443                  if ($windoz) {
444                          $cmd = "rcollate -ho -oc 1 $src | " . $cmd ;
445                  } else {
446                          $cmd .= " $src";
447                  }
448 <                open(DATOUT, "> $dest");
449 <                print DATOUT "{\n";
450 <                close DATOUT;
451 <                # print STDERR "Running: $cmd\n";
452 <                system "$cmd >> $dest";
453 <                die "Failure running rcalc" if ( $? );
454 <                open(DATOUT, ">> $dest");
455 <                for (my $i = ($tensortree==3)*$ns*$ns*$ns/2; $i-- > 0; ) {
456 <                        print DATOUT "0\n";
448 >                if ( active_phase() ) {
449 >                        open(DATOUT, "> $dest");
450 >                        print DATOUT "{\n";
451 >                        close DATOUT;
452 >                        # print STDERR "Running: $cmd\n";
453 >                        system "$cmd >> $dest";
454 >                        die "Failure running rcalc" if ( $? );
455 >                        open(DATOUT, ">> $dest");
456 >                        for (my $i = ($tensortree==3)*$ns*$ns*$ns/2; $i-- > 0; ) {
457 >                                print DATOUT "0\n";
458 >                        }
459 >                        print DATOUT "}\n";
460 >                        close DATOUT;
461                  }
443 –                print DATOUT "}\n";
444 –                close DATOUT;
462          }
463          if ( "$spec" ne "$curspec" ) {
464                  $wrapper .= " -s $spec";
# Line 464 | Line 481 | sub do_matrix_bsdf {
481   # Call rfluxmtx and process tensor tree BSDF for the given direction
482   sub do_matrix_dir {
483          my $forw = shift;
484 <        my $r = do_phase();
485 <        if (!$r) { return; }
469 <        $r = ($r < 0) ? " -r" : "";
470 <        my $cmd;
484 >        my $dop = do_phase();
485 >        my $r = ($dop < 0) ? " -r" : "";
486          my $sender = ($bsender,$fsender)[$forw];
487 <        $cmd = "$rfluxmtx$r -fd $sender $receivers -i $octree";
488 <        # print STDERR "Starting: $cmd\n";
489 <        system $cmd;
490 <        die "Failure running rfluxmtx" if ( $? );
487 >        my $cmd = "$rfluxmtx$r -fd $sender $receivers -i $octree";
488 >        if ( $dop ) {
489 >                # print STDERR "Running: $cmd\n";
490 >                system $cmd;
491 >                die "Failure running rfluxmtx" if ( $? );
492 >        }
493          matrix_out($forw);
494   }       # end of do_matrix_dir()
495  
# Line 516 | Line 533 | sub matrix_comp {
533          } elsif ("$spec" eq "CIE-Z") {
534                  $cmd .= " -c 0.0241 0.1229 0.8530";
535          }
536 <        $cmd .= " $src | rcollate -ho -oc 145";
537 <        # print STDERR "Running: $cmd\n";
521 <        system "$cmd > $dest";
522 <        die "Failure running rmtxop" if ( $? );
536 >        $cmd .= " $src | getinfo -";
537 >        run_check "$cmd > $dest";
538          if ( "$spec" ne "$curspec" ) {
539                  $wrapper .= " -s $spec";
540                  $curspec = $spec;

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