| 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 { | 
| 167 | 
< | 
        system "xform -e @ARGV > $radscn"; | 
| 168 | 
< | 
        die "Could not load Radiance input\n" if ( $? ); | 
| 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 "mgf2rad @ARGV > $radscn"; | 
| 169 | 
> | 
                die "Could not load MGF input\n" if ( $? ); | 
| 170 | 
> | 
        } else { | 
| 171 | 
> | 
                system "xform -e @ARGV > $radscn"; | 
| 172 | 
> | 
                die "Could not load Radiance input\n" if ( $? ); | 
| 173 | 
> | 
        } | 
| 174 | 
  | 
} | 
| 175 | 
< | 
if ($#dim != 5) { | 
| 176 | 
< | 
        @dim = split ' ', `getbbox -h $radscn`; | 
| 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) { | 
| 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])) { | 
| 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 | 
< | 
# Generate octree | 
| 188 | 
< | 
system "oconv -w $radscn > $octree"; | 
| 189 | 
< | 
die "Could not compile scene\n" if ( $? ); | 
| 190 | 
< | 
# Add MGF description if requested | 
| 191 | 
< | 
if ( $geout ) { | 
| 192 | 
< | 
        open(MGFSCN, "> $mgfscn"); | 
| 193 | 
< | 
        printf MGFSCN "xf -t %.6f %.6f 0\n", -($dim[0]+$dim[1])/2, -($dim[2]+$dim[3])/2; | 
| 194 | 
< | 
        close MGFSCN; | 
| 172 | 
< | 
        if ( $mgfin ) { | 
| 173 | 
< | 
                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}; | 
| 174 | 
< | 
        } else { | 
| 175 | 
< | 
                system "rad2mgf $radscn >> $mgfscn"; | 
| 176 | 
< | 
        } | 
| 177 | 
< | 
        open(MGFSCN, ">> $mgfscn"); | 
| 178 | 
< | 
        print MGFSCN "xf\n"; | 
| 179 | 
< | 
        close MGFSCN; | 
| 180 | 
< | 
        $wrapper .= " -g $mgfscn"; | 
| 181 | 
< | 
} | 
| 182 | 
< | 
# Create receiver & sender surfaces (rectangular) | 
| 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; | 
| 187 | 
– | 
my $ns = 2**$ttlog2; | 
| 188 | 
– | 
open(RADSCN, "> $receivers"); | 
| 189 | 
– | 
print RADSCN '#@rfluxmtx ' . ($tensortree ? "h=-sc$ns\n" : "h=-kf\n"); | 
| 190 | 
– | 
print RADSCN '#@rfluxmtx ' . "u=-Y o=$facedat\n\n"; | 
| 191 | 
– | 
print RADSCN "void glow receiver_face\n0\n0\n4 1 1 1 0\n\n"; | 
| 192 | 
– | 
print RADSCN "receiver_face source f_receiver\n0\n0\n4 0 0 1 180\n\n"; | 
| 193 | 
– | 
print RADSCN '#@rfluxmtx ' . ($tensortree ? "h=+sc$ns\n" : "h=+kf\n"); | 
| 194 | 
– | 
print RADSCN '#@rfluxmtx ' . "u=-Y o=$behinddat\n\n"; | 
| 195 | 
– | 
print RADSCN "void glow receiver_behind\n0\n0\n4 1 1 1 0\n\n"; | 
| 196 | 
– | 
print RADSCN "receiver_behind source b_receiver\n0\n0\n4 0 0 -1 180\n"; | 
| 197 | 
– | 
close RADSCN; | 
| 198 | 
– | 
# 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 ( $mgfin ) { | 
| 216 | 
> | 
                        die "+mgf requires input file with +geom\n" if ($#ARGV < 0); | 
| 217 | 
> | 
                        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}; | 
| 218 | 
> | 
                } else { | 
| 219 | 
> | 
                        system "rad2mgf $radscn >> $mgfscn"; | 
| 220 | 
> | 
                } | 
| 221 | 
> | 
                open(MGFSCN, ">> $mgfscn"); | 
| 222 | 
> | 
                print MGFSCN "xf\n"; | 
| 223 | 
> | 
                close MGFSCN; | 
| 224 | 
> | 
        } | 
| 225 | 
> | 
        # Create receiver & sender surfaces (rectangular) | 
| 226 | 
> | 
        open(RADSCN, "> $receivers"); | 
| 227 | 
> | 
        print RADSCN '#@rfluxmtx ' . ($tensortree ? "h=-sc$ns\n" : "h=-kf\n"); | 
| 228 | 
> | 
        print RADSCN '#@rfluxmtx ' . "u=-Y o=$facedat\n\n"; | 
| 229 | 
> | 
        print RADSCN "void glow receiver_face\n0\n0\n4 1 1 1 0\n\n"; | 
| 230 | 
> | 
        print RADSCN "receiver_face source f_receiver\n0\n0\n4 0 0 1 180\n\n"; | 
| 231 | 
> | 
        print RADSCN '#@rfluxmtx ' . ($tensortree ? "h=+sc$ns\n" : "h=+kf\n"); | 
| 232 | 
> | 
        print RADSCN '#@rfluxmtx ' . "u=-Y o=$behinddat\n\n"; | 
| 233 | 
> | 
        print RADSCN "void glow receiver_behind\n0\n0\n4 1 1 1 0\n\n"; | 
| 234 | 
> | 
        print RADSCN "receiver_behind source b_receiver\n0\n0\n4 0 0 -1 180\n"; | 
| 235 | 
  | 
        close RADSCN; | 
| 236 | 
< | 
        open (RADSCN, "> $bsender"); | 
| 237 | 
< | 
        print RADSCN '#@rfluxmtx u=-Y ' . ($tensortree ? "h=+sc$ns\n\n" : "h=+kf\n\n"); | 
| 238 | 
< | 
        print RADSCN "void polygon bwd_sender\n0\n0\n12\n"; | 
| 239 | 
< | 
        printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[2], $dim[5]+$FEPS; | 
| 240 | 
< | 
        printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[2], $dim[5]+$FEPS; | 
| 241 | 
< | 
        printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[3], $dim[5]+$FEPS; | 
| 242 | 
< | 
        printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[3], $dim[5]+$FEPS; | 
| 243 | 
< | 
        close RADSCN; | 
| 236 | 
> | 
        # Prepare sender surfaces | 
| 237 | 
> | 
        if ( $tensortree != 3 ) {       # Isotropic tensor tree is exception | 
| 238 | 
> | 
                open (RADSCN, "> $fsender"); | 
| 239 | 
> | 
                print RADSCN '#@rfluxmtx u=-Y ' . ($tensortree ? "h=-sc$ns\n\n" : "h=-kf\n\n"); | 
| 240 | 
> | 
                print RADSCN "void polygon fwd_sender\n0\n0\n12\n"; | 
| 241 | 
> | 
                printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[2], $dim[4]-$FEPS; | 
| 242 | 
> | 
                printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[3], $dim[4]-$FEPS; | 
| 243 | 
> | 
                printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[3], $dim[4]-$FEPS; | 
| 244 | 
> | 
                printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[2], $dim[4]-$FEPS; | 
| 245 | 
> | 
                close RADSCN; | 
| 246 | 
> | 
                open (RADSCN, "> $bsender"); | 
| 247 | 
> | 
                print RADSCN '#@rfluxmtx u=-Y ' . ($tensortree ? "h=+sc$ns\n\n" : "h=+kf\n\n"); | 
| 248 | 
> | 
                print RADSCN "void polygon bwd_sender\n0\n0\n12\n"; | 
| 249 | 
> | 
                printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[2], $dim[5]+$FEPS; | 
| 250 | 
> | 
                printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[2], $dim[5]+$FEPS; | 
| 251 | 
> | 
                printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[3], $dim[5]+$FEPS; | 
| 252 | 
> | 
                printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[3], $dim[5]+$FEPS; | 
| 253 | 
> | 
                close RADSCN; | 
| 254 | 
> | 
        } | 
| 255 | 
> | 
        print STDERR "Recover using: $0 -recover $td\n"; | 
| 256 | 
  | 
} | 
| 257 | 
< | 
# Calculate CIE (u',v') from Radiance RGB: | 
| 219 | 
< | 
my $CIEuv =     'Xi=.5141*Ri+.3239*Gi+.1620*Bi;' . | 
| 220 | 
< | 
                'Yi=.2651*Ri+.6701*Gi+.0648*Bi;' . | 
| 221 | 
< | 
                'Zi=.0241*Ri+.1229*Gi+.8530*Bi;' . | 
| 222 | 
< | 
                'den=Xi+15*Yi+3*Zi;' . | 
| 223 | 
< | 
                'uprime=4*Xi/den;vprime=9*Yi/den;' ; | 
| 257 | 
> | 
$curphase = 0; | 
| 258 | 
  | 
# Create data segments (all the work happens here) | 
| 259 | 
  | 
if ( $tensortree ) { | 
| 260 | 
  | 
        do_tree_bsdf(); | 
| 268 | 
  | 
# Clean up temporary files and exit | 
| 269 | 
  | 
exec $rmtmp; | 
| 270 | 
  | 
 | 
| 271 | 
< | 
#-------------- End of main program segment --------------# | 
| 271 | 
> | 
#============== End of main program segment ==============# | 
| 272 | 
  | 
 | 
| 273 | 
+ | 
# Function to determine if next phase should be skipped or recovered | 
| 274 | 
+ | 
sub do_phase { | 
| 275 | 
+ | 
        $curphase++; | 
| 276 | 
+ | 
        if ( defined $recovery ) { | 
| 277 | 
+ | 
                if ( $recovery > $curphase ) { return 0; } | 
| 278 | 
+ | 
                if ( $recovery == $curphase ) { return -1; } | 
| 279 | 
+ | 
        } | 
| 280 | 
+ | 
        open(MYPH, ">> $td/phase.txt"); | 
| 281 | 
+ | 
        print MYPH "$curphase\n"; | 
| 282 | 
+ | 
        close MYPH; | 
| 283 | 
+ | 
        return 1; | 
| 284 | 
+ | 
} | 
| 285 | 
+ | 
 | 
| 286 | 
+ | 
# Check if we are in active phase (not skipping parts) | 
| 287 | 
+ | 
sub active_phase { | 
| 288 | 
+ | 
        if ( defined $recovery ) { | 
| 289 | 
+ | 
                if ( $recovery > $curphase ) { return 0; } | 
| 290 | 
+ | 
                if ( $recovery == $curphase ) { return -1; } | 
| 291 | 
+ | 
        } | 
| 292 | 
+ | 
        return 1; | 
| 293 | 
+ | 
} | 
| 294 | 
+ | 
 | 
| 295 | 
+ | 
# Function to run program and check output if in active phase | 
| 296 | 
+ | 
sub run_check { | 
| 297 | 
+ | 
        if ( !active_phase() ) { return; } | 
| 298 | 
+ | 
        my $cmd = shift; | 
| 299 | 
+ | 
        # print STDERR "Running: $cmd\n"; | 
| 300 | 
+ | 
        system $cmd; | 
| 301 | 
+ | 
        die "Failure running: $cmd\n" if ( $? ); | 
| 302 | 
+ | 
} | 
| 303 | 
+ | 
 | 
| 304 | 
  | 
#++++++++++++++ Tensor tree BSDF generation ++++++++++++++# | 
| 305 | 
  | 
sub do_tree_bsdf { | 
| 306 | 
  | 
 | 
| 313 | 
  | 
# Call rfluxmtx and process tensor tree BSDF for the given direction | 
| 314 | 
  | 
sub do_ttree_dir { | 
| 315 | 
  | 
        my $forw = shift; | 
| 316 | 
+ | 
        my $dop = do_phase(); | 
| 317 | 
+ | 
        my $r = ($dop < 0) ? " -r" : ""; | 
| 318 | 
  | 
        my $cmd; | 
| 319 | 
  | 
        if ( $tensortree == 3 ) { | 
| 320 | 
  | 
                # Isotropic BSDF | 
| 324 | 
  | 
                                qq{| rcalc -e "r1=rand(.8681*recno-.673892)" } . | 
| 325 | 
  | 
                                qq{-e "r2=rand(-5.37138*recno+67.1737811)" } . | 
| 326 | 
  | 
                                qq{-e "r3=rand(+3.17603772*recno+83.766771)" } . | 
| 327 | 
< | 
                                qq{-e "Dx=1-2*(\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)" } . | 
| 327 | 
> | 
                                qq{-e "r4=rand(-1.5839226*recno-59.82712)" } . | 
| 328 | 
> | 
                                qq{-e "odds(n):if(.5*n-floor(.5*n)-.25,-1,1)"} . | 
| 329 | 
> | 
                                qq{-e "Dx=1-(\$1+r1)/$ns2" } . | 
| 330 | 
> | 
                                qq{-e "Dy=min(1/$ns,sqrt(1-Dx*Dx))*odds(\$1)*r2" } . | 
| 331 | 
> | 
                                qq{-e "Dz=sqrt(1-Dx*Dx-Dy*Dy)" } . | 
| 332 | 
  | 
                                qq{-e "xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]" } . | 
| 333 | 
  | 
                                qq{-e "yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]" } . | 
| 334 | 
  | 
                                qq{-e "zp=$dim[5-$forw]" -e "myDz=Dz*($forw*2-1)" } . | 
| 335 | 
  | 
                                qq{-e "\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz" } . | 
| 336 | 
  | 
                                qq{-e "\$4=Dx;\$5=Dy;\$6=myDz" } . | 
| 337 | 
< | 
                                "| $rfluxmtx -fa -y $ns2 - $receivers -i $octree"; | 
| 337 | 
> | 
                                "| $rfluxmtx$r -fa -y $ns2 - $receivers -i $octree"; | 
| 338 | 
  | 
                } else { | 
| 339 | 
  | 
                        $cmd = "cnt $ns2 $ny $nx " . | 
| 340 | 
< | 
                                qq{| rcalc -e "r1=rand(.8681*recno-.673892)" } . | 
| 341 | 
< | 
                                qq{-e "r2=rand(-5.37138*recno+67.1737811)" } . | 
| 342 | 
< | 
                                qq{-e "r3=rand(+3.17603772*recno+83.766771)" } . | 
| 343 | 
< | 
                                qq{-e "Dx=1-2*(\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)" } . | 
| 344 | 
< | 
                                qq{-e "xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]" } . | 
| 345 | 
< | 
                                qq{-e "yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]" } . | 
| 346 | 
< | 
                                qq{-e "zp=$dim[5-$forw]" -e "myDz=Dz*($forw*2-1)" } . | 
| 340 | 
> | 
                                qq{| rcalc -e 'r1=rand(.8681*recno-.673892)' } . | 
| 341 | 
> | 
                                qq{-e 'r2=rand(-5.37138*recno+67.1737811)' } . | 
| 342 | 
> | 
                                qq{-e 'r3=rand(+3.17603772*recno+83.766771)' } . | 
| 343 | 
> | 
                                qq{-e 'r4=rand(-1.5839226*recno-59.82712)' } . | 
| 344 | 
> | 
                                qq{-e 'odds(n):if(.5*n-floor(.5*n)-.25,-1,1)' } . | 
| 345 | 
> | 
                                qq{-e 'Dx=1-(\$1+r1)/$ns2' } . | 
| 346 | 
> | 
                                qq{-e 'Dy=min(1/$ns,sqrt(1-Dx*Dx))*odds(\$1)*r2' } . | 
| 347 | 
> | 
                                qq{-e 'Dz=sqrt(1-Dx*Dx-Dy*Dy)' } . | 
| 348 | 
> | 
                                qq{-e 'xp=(\$3+r3)*(($dim[1]-$dim[0])/$nx)+$dim[0]' } . | 
| 349 | 
> | 
                                qq{-e 'yp=(\$2+r4)*(($dim[3]-$dim[2])/$ny)+$dim[2]' } . | 
| 350 | 
> | 
                                qq{-e 'zp=$dim[5-$forw]' -e 'myDz=Dz*($forw*2-1)' } . | 
| 351 | 
  | 
                                qq{-e '\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz' } . | 
| 352 | 
  | 
                                qq{-e '\$4=Dx;\$5=Dy;\$6=myDz' -of } . | 
| 353 | 
< | 
                                "| $rfluxmtx -h -ff -y $ns2 - $receivers -i $octree"; | 
| 353 | 
> | 
                                "| $rfluxmtx$r -h -ff -y $ns2 - $receivers -i $octree"; | 
| 354 | 
  | 
                } | 
| 355 | 
  | 
        } else { | 
| 356 | 
  | 
                # Anisotropic BSDF | 
| 357 | 
  | 
                my $sender = ($bsender,$fsender)[$forw]; | 
| 358 | 
  | 
                if ($windoz) { | 
| 359 | 
< | 
                        $cmd = "$rfluxmtx -fa $sender $receivers -i $octree"; | 
| 359 | 
> | 
                        $cmd = "$rfluxmtx$r -fa $sender $receivers -i $octree"; | 
| 360 | 
  | 
                } else { | 
| 361 | 
< | 
                        $cmd = "$rfluxmtx -h -ff $sender $receivers -i $octree"; | 
| 361 | 
> | 
                        $cmd = "$rfluxmtx$r -h -ff $sender $receivers -i $octree"; | 
| 362 | 
  | 
                } | 
| 363 | 
  | 
        } | 
| 364 | 
< | 
        # print STDERR "Starting: $cmd\n"; | 
| 365 | 
< | 
        system $cmd; | 
| 366 | 
< | 
        die "Failure running rfluxmtx" if ( $? ); | 
| 364 | 
> | 
        if ( $dop ) { | 
| 365 | 
> | 
                # print STDERR "Running: $cmd\n"; | 
| 366 | 
> | 
                system $cmd; | 
| 367 | 
> | 
                die "Failure running rfluxmtx" if ( $? ); | 
| 368 | 
> | 
        } | 
| 369 | 
  | 
        ttree_out($forw); | 
| 370 | 
  | 
}       # end of do_ttree_dir() | 
| 371 | 
  | 
 | 
| 437 | 
  | 
                } | 
| 438 | 
  | 
        } | 
| 439 | 
  | 
        if ($pctcull >= 0) { | 
| 440 | 
< | 
                my $avg = ( "$typ" =~ /^r[fb]/ ) ? " -a" : ""; | 
| 440 | 
> | 
                my $avg = ( $dorecip && ( $tensortree == 3 || "$typ" =~ /^r[fb]/ ) ) ? " -a" : ""; | 
| 441 | 
  | 
                my $pcull = ("$spec" eq "Visible") ? $pctcull : | 
| 442 | 
  | 
                                                     (100 - (100-$pctcull)*.25) ; | 
| 443 | 
  | 
                if ($windoz) { | 
| 448 | 
  | 
                        $cmd .= " -of $src " . | 
| 449 | 
  | 
                                        "| rttree_reduce$avg -h -ff -t $pcull -r $tensortree -g $ttlog2"; | 
| 450 | 
  | 
                } | 
| 451 | 
< | 
                # print STDERR "Running: $cmd\n"; | 
| 375 | 
< | 
                system "$cmd > $dest"; | 
| 376 | 
< | 
                die "Failure running rttree_reduce" if ( $? ); | 
| 451 | 
> | 
                run_check "$cmd > $dest"; | 
| 452 | 
  | 
        } else { | 
| 453 | 
  | 
                if ($windoz) { | 
| 454 | 
  | 
                        $cmd = "rcollate -ho -oc 1 $src | " . $cmd ; | 
| 455 | 
  | 
                } else { | 
| 456 | 
  | 
                        $cmd .= " $src"; | 
| 457 | 
  | 
                } | 
| 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"; | 
| 458 | 
> | 
                if ( active_phase() ) { | 
| 459 | 
> | 
                        open(DATOUT, "> $dest"); | 
| 460 | 
> | 
                        print DATOUT "{\n"; | 
| 461 | 
> | 
                        close DATOUT; | 
| 462 | 
> | 
                        # print STDERR "Running: $cmd\n"; | 
| 463 | 
> | 
                        system "$cmd >> $dest"; | 
| 464 | 
> | 
                        die "Failure running rcalc" if ( $? ); | 
| 465 | 
> | 
                        open(DATOUT, ">> $dest"); | 
| 466 | 
> | 
                        for (my $i = ($tensortree==3)*$ns*$ns*$ns/2; $i-- > 0; ) { | 
| 467 | 
> | 
                                print DATOUT "0\n"; | 
| 468 | 
> | 
                        } | 
| 469 | 
> | 
                        print DATOUT "}\n"; | 
| 470 | 
> | 
                        close DATOUT; | 
| 471 | 
  | 
                } | 
| 393 | 
– | 
                print DATOUT "}\n"; | 
| 394 | 
– | 
                close DATOUT; | 
| 472 | 
  | 
        } | 
| 473 | 
  | 
        if ( "$spec" ne "$curspec" ) { | 
| 474 | 
  | 
                $wrapper .= " -s $spec"; | 
| 491 | 
  | 
# Call rfluxmtx and process tensor tree BSDF for the given direction | 
| 492 | 
  | 
sub do_matrix_dir { | 
| 493 | 
  | 
        my $forw = shift; | 
| 494 | 
< | 
        my $cmd; | 
| 494 | 
> | 
        my $dop = do_phase(); | 
| 495 | 
> | 
        my $r = ($dop < 0) ? " -r" : ""; | 
| 496 | 
  | 
        my $sender = ($bsender,$fsender)[$forw]; | 
| 497 | 
< | 
        $cmd = "$rfluxmtx -fd $sender $receivers -i $octree"; | 
| 498 | 
< | 
        # print STDERR "Starting: $cmd\n"; | 
| 499 | 
< | 
        system $cmd; | 
| 500 | 
< | 
        die "Failure running rfluxmtx" if ( $? ); | 
| 497 | 
> | 
        my $cmd = "$rfluxmtx$r -fd $sender $receivers -i $octree"; | 
| 498 | 
> | 
        if ( $dop ) { | 
| 499 | 
> | 
                # print STDERR "Running: $cmd\n"; | 
| 500 | 
> | 
                system $cmd; | 
| 501 | 
> | 
                die "Failure running rfluxmtx" if ( $? ); | 
| 502 | 
> | 
        } | 
| 503 | 
  | 
        matrix_out($forw); | 
| 504 | 
  | 
}       # end of do_matrix_dir() | 
| 505 | 
  | 
 | 
| 543 | 
  | 
        } elsif ("$spec" eq "CIE-Z") { | 
| 544 | 
  | 
                $cmd .= " -c 0.0241 0.1229 0.8530"; | 
| 545 | 
  | 
        } | 
| 546 | 
< | 
        $cmd .= " $src | rcollate -ho -oc 145"; | 
| 547 | 
< | 
        # print STDERR "Running: $cmd\n"; | 
| 468 | 
< | 
        system "$cmd > $dest"; | 
| 469 | 
< | 
        die "Failure running rmtxop" if ( $? ); | 
| 546 | 
> | 
        $cmd .= " $src | getinfo -"; | 
| 547 | 
> | 
        run_check "$cmd > $dest"; | 
| 548 | 
  | 
        if ( "$spec" ne "$curspec" ) { | 
| 549 | 
  | 
                $wrapper .= " -s $spec"; | 
| 550 | 
  | 
                $curspec = $spec; |