| 6 | 
  | 
#       G. Ward | 
| 7 | 
  | 
# | 
| 8 | 
  | 
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][-dim xmin xmax ymin ymax zmin zmax][{+|-}f][{+|-}b][{+|-}mgf][{+|-}geom] [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 = `mktemp -d /tmp/genBSDF.XXXXXX`; | 
| 16 | 
< | 
chomp $td; | 
| 17 | 
< | 
my $nsamp = 1000; | 
| 18 | 
< | 
my $rtargs = "-w -ab 5 -ad 700 -lw 3e-6"; | 
| 15 | 
> | 
my ($td,$radscn,$mgfscn,$octree,$fsender,$bsender,$receivers,$facedat,$behinddat,$rmtmp); | 
| 16 | 
> | 
my ($tf,$rf,$tb,$rb,$tfx,$rfx,$tbx,$rbx,$tfz,$rfz,$tbz,$rbz,$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; | 
| 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"; | 
| 43 | 
> | 
        $fsender = "$td\\fsender.rad"; | 
| 44 | 
> | 
        $bsender = "$td\\bsender.rad"; | 
| 45 | 
> | 
        $receivers = "$td\\receivers.rad"; | 
| 46 | 
> | 
        $facedat = "$td\\face.dat"; | 
| 47 | 
> | 
        $behinddat = "$td\\behind.dat"; | 
| 48 | 
> | 
        $tf = "$td\\tf.dat"; | 
| 49 | 
> | 
        $rf = "$td\\rf.dat"; | 
| 50 | 
> | 
        $tb = "$td\\tb.dat"; | 
| 51 | 
> | 
        $rb = "$td\\rb.dat"; | 
| 52 | 
> | 
        $tfx = "$td\\tfx.dat"; | 
| 53 | 
> | 
        $rfx = "$td\\rfx.dat"; | 
| 54 | 
> | 
        $tbx = "$td\\tbx.dat"; | 
| 55 | 
> | 
        $rbx = "$td\\rbx.dat"; | 
| 56 | 
> | 
        $tfz = "$td\\tfz.dat"; | 
| 57 | 
> | 
        $rfz = "$td\\rfz.dat"; | 
| 58 | 
> | 
        $tbz = "$td\\tbz.dat"; | 
| 59 | 
> | 
        $rbz = "$td\\rbz.dat"; | 
| 60 | 
> | 
        $cph = "$td\\phase.txt"; | 
| 61 | 
> | 
        $rmtmp = "rd /S /Q $td"; | 
| 62 | 
> | 
} else { | 
| 63 | 
> | 
        $radscn = "$td/device.rad"; | 
| 64 | 
> | 
        $mgfscn = "$td/device.mgf"; | 
| 65 | 
> | 
        $octree = "$td/device.oct"; | 
| 66 | 
> | 
        $fsender = "$td/fsender.rad"; | 
| 67 | 
> | 
        $bsender = "$td/bsender.rad"; | 
| 68 | 
> | 
        $receivers = "$td/receivers.rad"; | 
| 69 | 
> | 
        $facedat = "$td/face.dat"; | 
| 70 | 
> | 
        $behinddat = "$td/behind.dat"; | 
| 71 | 
> | 
        $tf = "$td/tf.dat"; | 
| 72 | 
> | 
        $rf = "$td/rf.dat"; | 
| 73 | 
> | 
        $tb = "$td/tb.dat"; | 
| 74 | 
> | 
        $rb = "$td/rb.dat"; | 
| 75 | 
> | 
        $tfx = "$td/tfx.dat"; | 
| 76 | 
> | 
        $rfx = "$td/rfx.dat"; | 
| 77 | 
> | 
        $tbx = "$td/tbx.dat"; | 
| 78 | 
> | 
        $rbx = "$td/rbx.dat"; | 
| 79 | 
> | 
        $tfz = "$td/tfz.dat"; | 
| 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 -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; | 
| 95 | 
  | 
my $nproc = 1; | 
| 96 | 
+ | 
my $docolor = 0; | 
| 97 | 
  | 
my $doforw = 0; | 
| 98 | 
  | 
my $doback = 1; | 
| 99 | 
+ | 
my $pctcull = 90; | 
| 100 | 
+ | 
my $gunit = "meter"; | 
| 101 | 
+ | 
my $curspec = "Visible"; | 
| 102 | 
  | 
my @dim; | 
| 103 | 
  | 
# Get options | 
| 104 | 
  | 
while ($#ARGV >= 0) { | 
| 105 | 
  | 
        if ("$ARGV[0]" =~ /^[-+]m/) { | 
| 106 | 
  | 
                $mgfin = ("$ARGV[0]" =~ /^\+/); | 
| 107 | 
  | 
        } elsif ("$ARGV[0]" eq "-r") { | 
| 108 | 
< | 
                $rtargs = "$rtargs $ARGV[1]"; | 
| 108 | 
> | 
                $rfluxmtx .= " $ARGV[1]"; | 
| 109 | 
  | 
                shift @ARGV; | 
| 110 | 
  | 
        } elsif ("$ARGV[0]" =~ /^[-+]g/) { | 
| 111 | 
  | 
                $geout = ("$ARGV[0]" =~ /^\+/); | 
| 112 | 
+ | 
                $gunit = $ARGV[1]; | 
| 113 | 
+ | 
                if ($gunit !~ /^(?i)(meter|foot|inch|centimeter|millimeter)$/) { | 
| 114 | 
+ | 
                        die "Illegal geometry unit '$gunit': must be meter, foot, inch, centimeter, or millimeter\n"; | 
| 115 | 
+ | 
                } | 
| 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/) { | 
| 124 | 
  | 
                $doback = ("$ARGV[0]" =~ /^\+/); | 
| 125 | 
+ | 
        } elsif ("$ARGV[0]" eq "-t") { | 
| 126 | 
+ | 
                # Use value < 0 for rttree_reduce bypass | 
| 127 | 
+ | 
                $pctcull = $ARGV[1]; | 
| 128 | 
+ | 
                if ($pctcull >= 100) { | 
| 129 | 
+ | 
                        die "Illegal -t culling percentage, must be < 100\n"; | 
| 130 | 
+ | 
                } | 
| 131 | 
+ | 
                shift @ARGV; | 
| 132 | 
+ | 
        } elsif ("$ARGV[0]" =~ /^-t[34]$/) { | 
| 133 | 
+ | 
                $tensortree = substr($ARGV[0], 2, 1); | 
| 134 | 
+ | 
                $ttlog2 = $ARGV[1]; | 
| 135 | 
+ | 
                shift @ARGV; | 
| 136 | 
+ | 
        } elsif ("$ARGV[0]" eq "-s") { | 
| 137 | 
+ | 
                $wrapper .= " -f \"$ARGV[1]\""; | 
| 138 | 
+ | 
                shift @ARGV; | 
| 139 | 
+ | 
        } elsif ("$ARGV[0]" eq "-W") { | 
| 140 | 
+ | 
                $wrapper .= " -W"; | 
| 141 | 
  | 
        } elsif ("$ARGV[0]" eq "-c") { | 
| 142 | 
  | 
                $nsamp = $ARGV[1]; | 
| 143 | 
  | 
                shift @ARGV; | 
| 156 | 
  | 
        shift @ARGV; | 
| 157 | 
  | 
} | 
| 158 | 
  | 
# Check that we're actually being asked to do something | 
| 159 | 
< | 
die "Must have at least one of +forward or +backward" if (!$doforw && !$doback); | 
| 160 | 
< | 
# Get scene description and dimensions | 
| 161 | 
< | 
my $radscn = "$td/device.rad"; | 
| 162 | 
< | 
my $mgfscn = "$td/device.mgf"; | 
| 163 | 
< | 
my $octree = "$td/device.oct"; | 
| 164 | 
< | 
if ( $mgfin ) { | 
| 165 | 
< | 
        system "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"; | 
| 166 | 
< | 
        die "Could not load MGF input\n" if ( $? ); | 
| 167 | 
< | 
        system "mgf2rad $mgfscn > $radscn"; | 
| 168 | 
< | 
} else { | 
| 169 | 
< | 
        system "cat @ARGV | xform -e > $radscn"; | 
| 170 | 
< | 
        die "Could not load Radiance input\n" if ( $? ); | 
| 171 | 
< | 
        system "rad2mgf $radscn > $mgfscn" if ( $geout ); | 
| 159 | 
> | 
die "Must have at least one of +forward or +backward\n" if (!$doforw && !$doback); | 
| 160 | 
> | 
$wrapper .= $tensortree ? " -a t$tensortree" : " -a kf -c"; | 
| 161 | 
> | 
$wrapper .= " -u $gunit"; | 
| 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 $radscn`; | 
| 177 | 
  | 
} | 
| 178 | 
< | 
print STDERR "Warning: Device extends into room\n" if ($dim[5] > 1e-5); | 
| 179 | 
< | 
# Add receiver surfaces (rectangular) | 
| 180 | 
< | 
my $fmodnm="receiver_face"; | 
| 181 | 
< | 
my $bmodnm="receiver_behind"; | 
| 182 | 
< | 
open(RADSCN, ">> $radscn"); | 
| 76 | 
< | 
print RADSCN "void glow $fmodnm\n0\n0\n4 1 1 1 0\n\n"; | 
| 77 | 
< | 
print RADSCN "$fmodnm source f_receiver\n0\n0\n4 0 0 1 180\n"; | 
| 78 | 
< | 
print RADSCN "void glow $bmodnm\n0\n0\n4 1 1 1 0\n\n"; | 
| 79 | 
< | 
print RADSCN "$bmodnm source b_receiver\n0\n0\n4 0 0 -1 180\n"; | 
| 80 | 
< | 
close RADSCN; | 
| 81 | 
< | 
# Generate octree | 
| 82 | 
< | 
system "oconv -w $radscn > $octree"; | 
| 83 | 
< | 
die "Could not compile scene\n" if ( $? ); | 
| 84 | 
< | 
# Set up sampling of interior portal | 
| 85 | 
< | 
# Kbin to produce incident direction in full Klems basis with (x1,x2) randoms | 
| 86 | 
< | 
my $tcal = ' | 
| 87 | 
< | 
DEGREE : PI/180; | 
| 88 | 
< | 
sq(x) : x*x; | 
| 89 | 
< | 
Kpola(r) : select(r+1, -5, 5, 15, 25, 35, 45, 55, 65, 75, 90); | 
| 90 | 
< | 
Knaz(r) : select(r, 1, 8, 16, 20, 24, 24, 24, 16, 12); | 
| 91 | 
< | 
Kaccum(r) : if(r-.5, Knaz(r) + Kaccum(r-1), 0); | 
| 92 | 
< | 
Kmax : Kaccum(Knaz(0)); | 
| 93 | 
< | 
Kfindrow(r, rem) : if(rem-Knaz(r)+.5, Kfindrow(r+1, rem-Knaz(r)), r); | 
| 94 | 
< | 
Krow = if(Kbin-(Kmax-.5), 0, Kfindrow(1, Kbin)); | 
| 95 | 
< | 
Kcol = Kbin - Kaccum(Krow-1); | 
| 96 | 
< | 
Kazi = 360*DEGREE * (Kcol + (.5 - x2)) / Knaz(Krow); | 
| 97 | 
< | 
Kpol = DEGREE * (x1*Kpola(Krow) + (1-x1)*Kpola(Krow-1)); | 
| 98 | 
< | 
sin_kpol = sin(Kpol); | 
| 99 | 
< | 
Dx = cos(Kazi)*sin_kpol; | 
| 100 | 
< | 
Dy = sin(Kazi)*sin_kpol; | 
| 101 | 
< | 
Dz = sqrt(1 - sin_kpol*sin_kpol); | 
| 102 | 
< | 
KprojOmega = PI * if(Kbin-.5, | 
| 103 | 
< | 
        (sq(cos(Kpola(Krow-1)*DEGREE)) - sq(cos(Kpola(Krow)*DEGREE)))/Knaz(Krow), | 
| 104 | 
< | 
        1 - sq(cos(Kpola(1)*DEGREE))); | 
| 105 | 
< | 
'; | 
| 106 | 
< | 
# Compute Klems bin from exiting ray direction (forward or backward) | 
| 107 | 
< | 
my $kcal = ' | 
| 108 | 
< | 
DEGREE : PI/180; | 
| 109 | 
< | 
Acos(x) : 1/DEGREE * if(x-1, 0, if(-1-x, 0, acos(x))); | 
| 110 | 
< | 
posangle(a) : if(-a, a + 2*PI, a); | 
| 111 | 
< | 
Atan2(y,x) : 1/DEGREE * posangle(atan2(y,x)); | 
| 112 | 
< | 
kpola(r) : select(r, 5, 15, 25, 35, 45, 55, 65, 75, 90); | 
| 113 | 
< | 
knaz(r) : select(r, 1, 8, 16, 20, 24, 24, 24, 16, 12); | 
| 114 | 
< | 
kaccum(r) : if(r-.5, knaz(r) + kaccum(r-1), 0); | 
| 115 | 
< | 
kfindrow(r, pol) : if(r-kpola(0)+.5, r, | 
| 116 | 
< | 
                if(pol-kpola(r), kfindrow(r+1, pol), r) ); | 
| 117 | 
< | 
kazn(azi,inc) : if((360-.5*inc)-azi, floor((azi+.5*inc)/inc), 0); | 
| 118 | 
< | 
kbin2(pol,azi) = select(kfindrow(1, pol), | 
| 119 | 
< | 
                kazn(azi,360/knaz(1)), | 
| 120 | 
< | 
                kaccum(1) + kazn(azi,360/knaz(2)), | 
| 121 | 
< | 
                kaccum(2) + kazn(azi,360/knaz(3)), | 
| 122 | 
< | 
                kaccum(3) + kazn(azi,360/knaz(4)), | 
| 123 | 
< | 
                kaccum(4) + kazn(azi,360/knaz(5)), | 
| 124 | 
< | 
                kaccum(5) + kazn(azi,360/knaz(6)), | 
| 125 | 
< | 
                kaccum(6) + kazn(azi,360/knaz(7)), | 
| 126 | 
< | 
                kaccum(7) + kazn(azi,360/knaz(8)), | 
| 127 | 
< | 
                kaccum(8) + kazn(azi,360/knaz(9)) | 
| 128 | 
< | 
        ); | 
| 129 | 
< | 
kbin = if(Dz, kbin2(Acos(Dz),Atan2(Dy,Dx)), kbin2(Acos(-Dz),Atan2(-Dy,-Dx))); | 
| 130 | 
< | 
'; | 
| 131 | 
< | 
my $ndiv = 145; | 
| 132 | 
< | 
my $nx = int(sqrt($nsamp*($dim[1]-$dim[0])/($dim[3]-$dim[2])) + .5); | 
| 133 | 
< | 
my $ny = int($nsamp/$nx + .5); | 
| 134 | 
< | 
$nsamp = $nx * $ny; | 
| 135 | 
< | 
# Compute scattering data using rtcontrib | 
| 136 | 
< | 
my @tfarr; | 
| 137 | 
< | 
my @rfarr; | 
| 138 | 
< | 
my @tbarr; | 
| 139 | 
< | 
my @rbarr; | 
| 140 | 
< | 
my $cmd; | 
| 141 | 
< | 
my $rtcmd = "rtcontrib -h -ff -fo -n $nproc -c $nsamp " . | 
| 142 | 
< | 
        "-e '$kcal' -b kbin -bn $ndiv " . | 
| 143 | 
< | 
        "-o '$td/%s.flt' -m $fmodnm -m $bmodnm $rtargs $octree"; | 
| 144 | 
< | 
my $rccmd = "rcalc -e '$tcal' " . | 
| 145 | 
< | 
        "-e 'mod(n,d):n-floor(n/d)*d' -e 'Kbin=mod(recno-.999,$ndiv)' " . | 
| 146 | 
< | 
        q{-if3 -e '$1=(0.265*$1+0.670*$2+0.065*$3)/KprojOmega'}; | 
| 147 | 
< | 
if ( $doforw ) { | 
| 148 | 
< | 
$cmd = "cnt $ndiv $ny $nx | rcalc -of -e '$tcal' " . | 
| 149 | 
< | 
        "-e 'xp=(\$3+rand(.35*recno-15))*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . | 
| 150 | 
< | 
        "-e 'yp=(\$2+rand(.86*recno+11))*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . | 
| 151 | 
< | 
        "-e 'zp:$dim[4]' " . | 
| 152 | 
< | 
        q{-e 'Kbin=$1;x1=rand(1.21*recno+2.75);x2=rand(-3.55*recno-7.57)' } . | 
| 153 | 
< | 
        q{-e '$1=xp-Dx;$2=yp-Dy;$3=zp-Dz;$4=Dx;$5=Dy;$6=Dz' } . | 
| 154 | 
< | 
        "| $rtcmd"; | 
| 155 | 
< | 
system "$cmd" || die "Failure running: $cmd\n"; | 
| 156 | 
< | 
@tfarr = `$rccmd $td/$fmodnm.flt`; | 
| 157 | 
< | 
die "Failure running: $rccmd $td/$fmodnm.flt\n" if ( $? ); | 
| 158 | 
< | 
@rfarr = `$rccmd $td/$bmodnm.flt`; | 
| 159 | 
< | 
die "Failure running: $rccmd $td/$bmodnm.flt\n" if ( $? ); | 
| 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 | 
< | 
if ( $doback ) { | 
| 185 | 
< | 
$cmd = "cnt $ndiv $ny $nx | rcalc -of -e '$tcal' " . | 
| 186 | 
< | 
        "-e 'xp=(\$3+rand(.35*recno-15))*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . | 
| 187 | 
< | 
        "-e 'yp=(\$2+rand(.86*recno+11))*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . | 
| 188 | 
< | 
        "-e 'zp:$dim[5]' " . | 
| 189 | 
< | 
        q{-e 'Kbin=$1;x1=rand(1.21*recno+2.75);x2=rand(-3.55*recno-7.57)' } . | 
| 190 | 
< | 
        q{-e '$1=xp+Dx;$2=yp+Dy;$3=zp+Dz;$4=-Dx;$5=-Dy;$6=-Dz' } . | 
| 191 | 
< | 
        "| $rtcmd"; | 
| 192 | 
< | 
system "$cmd" || die "Failure running: $cmd\n"; | 
| 193 | 
< | 
@tbarr = `$rccmd $td/$bmodnm.flt`; | 
| 194 | 
< | 
die "Failure running: $rccmd $td/$bmodnm.flt\n" if ( $? ); | 
| 195 | 
< | 
@rbarr = `$rccmd $td/$fmodnm.flt`; | 
| 196 | 
< | 
die "Failure running: $rccmd $td/$fmodnm.flt\n" if ( $? ); | 
| 197 | 
< | 
} | 
| 198 | 
< | 
# Output XML prologue | 
| 199 | 
< | 
print | 
| 200 | 
< | 
'<?xml version="1.0" encoding="UTF-8"?> | 
| 201 | 
< | 
<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"> | 
| 202 | 
< | 
        <WindowElementType>System</WindowElementType> | 
| 203 | 
< | 
        <Optical> | 
| 204 | 
< | 
                <Layer> | 
| 182 | 
< | 
                <Material> | 
| 183 | 
< | 
                        <Name>Name</Name> | 
| 184 | 
< | 
                        <Manufacturer>Manufacturer</Manufacturer> | 
| 185 | 
< | 
'; | 
| 186 | 
< | 
printf "\t\t\t<Thickness unit=\"Meter\">%.3f</Thickness>\n", $dim[5] - $dim[4]; | 
| 187 | 
< | 
printf "\t\t\t<Width unit=\"Meter\">%.3f</Width>\n", $dim[1] - $dim[0]; | 
| 188 | 
< | 
printf "\t\t\t<Height unit=\"Meter\">%.3f</Height>\n", $dim[3] - $dim[2]; | 
| 189 | 
< | 
print "\t\t\t<DeviceType>Integral</DeviceType>\n"; | 
| 190 | 
< | 
# Output MGF description if requested | 
| 191 | 
< | 
if ( $geout ) { | 
| 192 | 
< | 
        print "\t\t\t<Geometry format=\"MGF\" unit=\"Meter\">\n"; | 
| 193 | 
< | 
        printf "xf -t %.6f %.6f 0\n", -($dim[0]+$dim[1])/2, -($dim[2]+$dim[3])/2; | 
| 194 | 
< | 
        system "cat $mgfscn"; | 
| 195 | 
< | 
        print "xf\n"; | 
| 196 | 
< | 
        print "\t\t\t</Geometry>\n"; | 
| 197 | 
< | 
} | 
| 198 | 
< | 
print '                 </Material> | 
| 199 | 
< | 
                <DataDefinition> | 
| 200 | 
< | 
                        <IncidentDataStructure>Columns</IncidentDataStructure> | 
| 201 | 
< | 
                        <AngleBasis> | 
| 202 | 
< | 
                        <AngleBasisName>LBNL/Klems Full</AngleBasisName> | 
| 203 | 
< | 
                                <AngleBasisBlock> | 
| 204 | 
< | 
                                <Theta>0</Theta> | 
| 205 | 
< | 
                                <nPhis>1</nPhis> | 
| 206 | 
< | 
                                <ThetaBounds> | 
| 207 | 
< | 
                                <LowerTheta>0</LowerTheta> | 
| 208 | 
< | 
                                <UpperTheta>5</UpperTheta> | 
| 209 | 
< | 
                                </ThetaBounds> | 
| 210 | 
< | 
                                </AngleBasisBlock> | 
| 211 | 
< | 
                                <AngleBasisBlock> | 
| 212 | 
< | 
                                <Theta>10</Theta> | 
| 213 | 
< | 
                                <nPhis>8</nPhis> | 
| 214 | 
< | 
                                <ThetaBounds> | 
| 215 | 
< | 
                                        <LowerTheta>5</LowerTheta> | 
| 216 | 
< | 
                                        <UpperTheta>15</UpperTheta> | 
| 217 | 
< | 
                                </ThetaBounds> | 
| 218 | 
< | 
                                </AngleBasisBlock> | 
| 219 | 
< | 
                                <AngleBasisBlock> | 
| 220 | 
< | 
                                <Theta>20</Theta> | 
| 221 | 
< | 
                                <nPhis>16</nPhis> | 
| 222 | 
< | 
                                <ThetaBounds> | 
| 223 | 
< | 
                                        <LowerTheta>15</LowerTheta> | 
| 224 | 
< | 
                                        <UpperTheta>25</UpperTheta> | 
| 225 | 
< | 
                                </ThetaBounds> | 
| 226 | 
< | 
                                </AngleBasisBlock> | 
| 227 | 
< | 
                                <AngleBasisBlock> | 
| 228 | 
< | 
                                <Theta>30</Theta> | 
| 229 | 
< | 
                                <nPhis>20</nPhis> | 
| 230 | 
< | 
                                <ThetaBounds> | 
| 231 | 
< | 
                                        <LowerTheta>25</LowerTheta> | 
| 232 | 
< | 
                                        <UpperTheta>35</UpperTheta> | 
| 233 | 
< | 
                                </ThetaBounds> | 
| 234 | 
< | 
                                </AngleBasisBlock> | 
| 235 | 
< | 
                                <AngleBasisBlock> | 
| 236 | 
< | 
                                <Theta>40</Theta> | 
| 237 | 
< | 
                                <nPhis>24</nPhis> | 
| 238 | 
< | 
                                <ThetaBounds> | 
| 239 | 
< | 
                                        <LowerTheta>35</LowerTheta> | 
| 240 | 
< | 
                                        <UpperTheta>45</UpperTheta> | 
| 241 | 
< | 
                                </ThetaBounds> | 
| 242 | 
< | 
                                </AngleBasisBlock> | 
| 243 | 
< | 
                                <AngleBasisBlock> | 
| 244 | 
< | 
                                <Theta>50</Theta> | 
| 245 | 
< | 
                                <nPhis>24</nPhis> | 
| 246 | 
< | 
                                <ThetaBounds> | 
| 247 | 
< | 
                                        <LowerTheta>45</LowerTheta> | 
| 248 | 
< | 
                                        <UpperTheta>55</UpperTheta> | 
| 249 | 
< | 
                                </ThetaBounds> | 
| 250 | 
< | 
                                </AngleBasisBlock> | 
| 251 | 
< | 
                                <AngleBasisBlock> | 
| 252 | 
< | 
                                <Theta>60</Theta> | 
| 253 | 
< | 
                                <nPhis>24</nPhis> | 
| 254 | 
< | 
                                <ThetaBounds> | 
| 255 | 
< | 
                                        <LowerTheta>55</LowerTheta> | 
| 256 | 
< | 
                                        <UpperTheta>65</UpperTheta> | 
| 257 | 
< | 
                                </ThetaBounds> | 
| 258 | 
< | 
                                </AngleBasisBlock> | 
| 259 | 
< | 
                                <AngleBasisBlock> | 
| 260 | 
< | 
                                <Theta>70</Theta> | 
| 261 | 
< | 
                                <nPhis>16</nPhis> | 
| 262 | 
< | 
                                <ThetaBounds> | 
| 263 | 
< | 
                                        <LowerTheta>65</LowerTheta> | 
| 264 | 
< | 
                                        <UpperTheta>75</UpperTheta> | 
| 265 | 
< | 
                                </ThetaBounds> | 
| 266 | 
< | 
                                </AngleBasisBlock> | 
| 267 | 
< | 
                                <AngleBasisBlock> | 
| 268 | 
< | 
                                <Theta>82.5</Theta> | 
| 269 | 
< | 
                                <nPhis>12</nPhis> | 
| 270 | 
< | 
                                <ThetaBounds> | 
| 271 | 
< | 
                                        <LowerTheta>75</LowerTheta> | 
| 272 | 
< | 
                                        <UpperTheta>90</UpperTheta> | 
| 273 | 
< | 
                                </ThetaBounds> | 
| 274 | 
< | 
                        </AngleBasisBlock> | 
| 275 | 
< | 
                </AngleBasis> | 
| 276 | 
< | 
        </DataDefinition> | 
| 277 | 
< | 
'; | 
| 278 | 
< | 
if ( $doforw ) { | 
| 279 | 
< | 
print '         <WavelengthData> | 
| 280 | 
< | 
                <LayerNumber>System</LayerNumber> | 
| 281 | 
< | 
                <Wavelength unit="Integral">Visible</Wavelength> | 
| 282 | 
< | 
                <SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> | 
| 283 | 
< | 
                <DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> | 
| 284 | 
< | 
                <WavelengthDataBlock> | 
| 285 | 
< | 
                        <WavelengthDataDirection>Transmission Front</WavelengthDataDirection> | 
| 286 | 
< | 
                        <ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> | 
| 287 | 
< | 
                        <RowAngleBasis>LBNL/Klems Full</RowAngleBasis> | 
| 288 | 
< | 
                        <ScatteringDataType>BTDF</ScatteringDataType> | 
| 289 | 
< | 
                        <ScatteringData> | 
| 290 | 
< | 
'; | 
| 291 | 
< | 
# Output front transmission (transposed order) | 
| 292 | 
< | 
for (my $od = 0; $od < $ndiv; $od++) { | 
| 293 | 
< | 
        for (my $id = 0; $id < $ndiv; $id++) { | 
| 294 | 
< | 
                print $tfarr[$ndiv*$id + $od]; | 
| 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; | 
| 200 | 
> | 
$rfluxmtx .= " -n $nproc -c $nsamp"; | 
| 201 | 
> | 
if ( !defined $recovery ) { | 
| 202 | 
> | 
        open(MYAVH, "> $td/savedARGV.txt"); | 
| 203 | 
> | 
        foreach (@savedARGV) { | 
| 204 | 
> | 
                print MYAVH "$_\n"; | 
| 205 | 
  | 
        } | 
| 206 | 
< | 
        print "\n"; | 
| 207 | 
< | 
} | 
| 208 | 
< | 
print | 
| 209 | 
< | 
'               </ScatteringData> | 
| 210 | 
< | 
        </WavelengthDataBlock> | 
| 211 | 
< | 
        </WavelengthData> | 
| 212 | 
< | 
        <WavelengthData> | 
| 213 | 
< | 
                <LayerNumber>System</LayerNumber> | 
| 214 | 
< | 
                <Wavelength unit="Integral">Visible</Wavelength> | 
| 215 | 
< | 
                <SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> | 
| 216 | 
< | 
                <DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> | 
| 217 | 
< | 
                <WavelengthDataBlock> | 
| 218 | 
< | 
                        <WavelengthDataDirection>Reflection Front</WavelengthDataDirection> | 
| 219 | 
< | 
                        <ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> | 
| 220 | 
< | 
                        <RowAngleBasis>LBNL/Klems Full</RowAngleBasis> | 
| 221 | 
< | 
                        <ScatteringDataType>BRDF</ScatteringDataType> | 
| 222 | 
< | 
                        <ScatteringData> | 
| 313 | 
< | 
'; | 
| 314 | 
< | 
# Output front reflection (transposed order) | 
| 315 | 
< | 
for (my $od = 0; $od < $ndiv; $od++) { | 
| 316 | 
< | 
        for (my $id = 0; $id < $ndiv; $id++) { | 
| 317 | 
< | 
                print $rfarr[$ndiv*$id + $od]; | 
| 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 | 
< | 
        print "\n"; | 
| 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 | 
> | 
        # 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 | 
< | 
print | 
| 257 | 
< | 
'               </ScatteringData> | 
| 258 | 
< | 
        </WavelengthDataBlock> | 
| 259 | 
< | 
        </WavelengthData> | 
| 260 | 
< | 
'; | 
| 256 | 
> | 
$curphase = 0; | 
| 257 | 
> | 
# Create data segments (all the work happens here) | 
| 258 | 
> | 
if ( $tensortree ) { | 
| 259 | 
> | 
        do_tree_bsdf(); | 
| 260 | 
> | 
} else { | 
| 261 | 
> | 
        do_matrix_bsdf(); | 
| 262 | 
  | 
} | 
| 263 | 
< | 
if ( $doback ) { | 
| 264 | 
< | 
print '         <WavelengthData> | 
| 265 | 
< | 
                <LayerNumber>System</LayerNumber> | 
| 266 | 
< | 
                <Wavelength unit="Integral">Visible</Wavelength> | 
| 267 | 
< | 
                <SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> | 
| 268 | 
< | 
                <DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> | 
| 269 | 
< | 
                <WavelengthDataBlock> | 
| 270 | 
< | 
                        <WavelengthDataDirection>Transmission Back</WavelengthDataDirection> | 
| 271 | 
< | 
                        <ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> | 
| 272 | 
< | 
                        <RowAngleBasis>LBNL/Klems Full</RowAngleBasis> | 
| 273 | 
< | 
                        <ScatteringDataType>BTDF</ScatteringDataType> | 
| 274 | 
< | 
                        <ScatteringData> | 
| 275 | 
< | 
'; | 
| 276 | 
< | 
# Output back transmission (transposed order) | 
| 277 | 
< | 
for (my $od = 0; $od < $ndiv; $od++) { | 
| 342 | 
< | 
        for (my $id = 0; $id < $ndiv; $id++) { | 
| 343 | 
< | 
                print $tbarr[$ndiv*$id + $od]; | 
| 263 | 
> | 
# Output XML | 
| 264 | 
> | 
# print STDERR "Running: $wrapper\n"; | 
| 265 | 
> | 
system "$wrapper -C \"Created by: genBSDF @savedARGV\""; | 
| 266 | 
> | 
die "Could not wrap BSDF data\n" if ( $? ); | 
| 267 | 
> | 
# Clean up temporary files and exit | 
| 268 | 
> | 
exec $rmtmp; | 
| 269 | 
> | 
 | 
| 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 | 
< | 
        print "\n"; | 
| 279 | 
> | 
        open(MYPH, ">> $td/phase.txt"); | 
| 280 | 
> | 
        print MYPH "$curphase\n"; | 
| 281 | 
> | 
        close MYPH; | 
| 282 | 
> | 
        return 1; | 
| 283 | 
  | 
} | 
| 284 | 
< | 
print | 
| 285 | 
< | 
'               </ScatteringData> | 
| 286 | 
< | 
        </WavelengthDataBlock> | 
| 287 | 
< | 
        </WavelengthData> | 
| 288 | 
< | 
        <WavelengthData> | 
| 289 | 
< | 
                <LayerNumber>System</LayerNumber> | 
| 353 | 
< | 
                <Wavelength unit="Integral">Visible</Wavelength> | 
| 354 | 
< | 
                <SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> | 
| 355 | 
< | 
                <DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> | 
| 356 | 
< | 
                <WavelengthDataBlock> | 
| 357 | 
< | 
                        <WavelengthDataDirection>Reflection Back</WavelengthDataDirection> | 
| 358 | 
< | 
                        <ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> | 
| 359 | 
< | 
                        <RowAngleBasis>LBNL/Klems Full</RowAngleBasis> | 
| 360 | 
< | 
                        <ScatteringDataType>BRDF</ScatteringDataType> | 
| 361 | 
< | 
                        <ScatteringData> | 
| 362 | 
< | 
'; | 
| 363 | 
< | 
# Output back reflection (transposed order) | 
| 364 | 
< | 
for (my $od = 0; $od < $ndiv; $od++) { | 
| 365 | 
< | 
        for (my $id = 0; $id < $ndiv; $id++) { | 
| 366 | 
< | 
                print $rbarr[$ndiv*$id + $od]; | 
| 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 | 
< | 
        print "\n"; | 
| 291 | 
> | 
        return 1; | 
| 292 | 
  | 
} | 
| 293 | 
< | 
print | 
| 294 | 
< | 
'               </ScatteringData> | 
| 295 | 
< | 
        </WavelengthDataBlock> | 
| 296 | 
< | 
        </WavelengthData> | 
| 297 | 
< | 
'; | 
| 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 | 
< | 
# Output XML epilogue | 
| 303 | 
< | 
print '</Layer> | 
| 304 | 
< | 
</Optical> | 
| 305 | 
< | 
</WindowElement> | 
| 306 | 
< | 
'; | 
| 307 | 
< | 
# Clean up temporary files | 
| 308 | 
< | 
system "rm -rf $td"; | 
| 302 | 
> | 
 | 
| 303 | 
> | 
#++++++++++++++ Tensor tree BSDF generation ++++++++++++++# | 
| 304 | 
> | 
sub do_tree_bsdf { | 
| 305 | 
> | 
 | 
| 306 | 
> | 
        # Run rfluxmtx processes to compute each side | 
| 307 | 
> | 
        do_ttree_dir(0) if ( $doback ); | 
| 308 | 
> | 
        do_ttree_dir(1) if ( $doforw ); | 
| 309 | 
> | 
 | 
| 310 | 
> | 
}       # end of sub do_tree_bsdf() | 
| 311 | 
> | 
 | 
| 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 | 
| 320 | 
> | 
                my $ns2 = $ns / 2; | 
| 321 | 
> | 
                if ($windoz) { | 
| 322 | 
> | 
                        $cmd = "cnt $ns2 $ny $nx " . | 
| 323 | 
> | 
                                qq{| rcalc -e "r1=rand(.8681*recno-.673892)" } . | 
| 324 | 
> | 
                                qq{-e "r2=rand(-5.37138*recno+67.1737811)" } . | 
| 325 | 
> | 
                                qq{-e "r3=rand(+3.17603772*recno+83.766771)" } . | 
| 326 | 
> | 
                                qq{-e "r4=rand(-1.5839226*recno-59.82712)" } . | 
| 327 | 
> | 
                                qq{-e "odds(n):if(.5*n-floor(.5*n)-.25,-1,1)"} . | 
| 328 | 
> | 
                                qq{-e "Dx=1-(\$1+r1)/$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 | 
> | 
                                "| $rfluxmtx$r -fa -y $ns2 - $receivers -i $octree"; | 
| 337 | 
> | 
                } else { | 
| 338 | 
> | 
                        $cmd = "cnt $ns2 $ny $nx " . | 
| 339 | 
> | 
                                qq{| rcalc -e 'r1=rand(.8681*recno-.673892)' } . | 
| 340 | 
> | 
                                qq{-e 'r2=rand(-5.37138*recno+67.1737811)' } . | 
| 341 | 
> | 
                                qq{-e 'r3=rand(+3.17603772*recno+83.766771)' } . | 
| 342 | 
> | 
                                qq{-e 'r4=rand(-1.5839226*recno-59.82712)' } . | 
| 343 | 
> | 
                                qq{-e 'odds(n):if(.5*n-floor(.5*n)-.25,-1,1)' } . | 
| 344 | 
> | 
                                qq{-e 'Dx=1-(\$1+r1)/$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 | 
> | 
                                "| $rfluxmtx$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$r -fa $sender $receivers -i $octree"; | 
| 359 | 
> | 
                } else { | 
| 360 | 
> | 
                        $cmd = "$rfluxmtx$r -h -ff $sender $receivers -i $octree"; | 
| 361 | 
> | 
                } | 
| 362 | 
> | 
        } | 
| 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 | 
> | 
 | 
| 371 | 
> | 
# Simplify and store tensor tree results | 
| 372 | 
> | 
sub ttree_out { | 
| 373 | 
> | 
        my $forw = shift; | 
| 374 | 
> | 
        my ($refldat,$transdat); | 
| 375 | 
> | 
        if ( $forw ) { | 
| 376 | 
> | 
                $transdat = $facedat; | 
| 377 | 
> | 
                $refldat = $behinddat; | 
| 378 | 
> | 
        } else { | 
| 379 | 
> | 
                $transdat = $behinddat; | 
| 380 | 
> | 
                $refldat = $facedat; | 
| 381 | 
> | 
        } | 
| 382 | 
> | 
        # Only output one transmitted anisotropic distribution, preferring backwards | 
| 383 | 
> | 
        if ( !$forw || !$doback || $tensortree==3 ) { | 
| 384 | 
> | 
                my $ttyp = ("tb","tf")[$forw]; | 
| 385 | 
> | 
                ttree_comp($ttyp, "Visible", $transdat, ($tb,$tf)[$forw]); | 
| 386 | 
> | 
                if ( $docolor ) { | 
| 387 | 
> | 
                        ttree_comp($ttyp, "CIE-u", $transdat, ($tbx,$tfx)[$forw]); | 
| 388 | 
> | 
                        ttree_comp($ttyp, "CIE-v", $transdat, ($tbz,$tfz)[$forw]); | 
| 389 | 
> | 
                } | 
| 390 | 
> | 
        } | 
| 391 | 
> | 
        # Output reflection | 
| 392 | 
> | 
        my $rtyp = ("rb","rf")[$forw]; | 
| 393 | 
> | 
        ttree_comp($rtyp, "Visible", $refldat, ($rb,$rf)[$forw]); | 
| 394 | 
> | 
        if ( $docolor ) { | 
| 395 | 
> | 
                ttree_comp($rtyp, "CIE-u", $refldat, ($rbx,$rfx)[$forw]); | 
| 396 | 
> | 
                ttree_comp($rtyp, "CIE-v", $refldat, ($rbz,$rfz)[$forw]); | 
| 397 | 
> | 
        } | 
| 398 | 
> | 
}       # end of ttree_out() | 
| 399 | 
> | 
 | 
| 400 | 
> | 
# Call rttree_reduce on the given component | 
| 401 | 
> | 
sub ttree_comp { | 
| 402 | 
> | 
        my $typ = shift; | 
| 403 | 
> | 
        my $spec = shift; | 
| 404 | 
> | 
        my $src = shift; | 
| 405 | 
> | 
        my $dest = shift; | 
| 406 | 
> | 
        my $cmd; | 
| 407 | 
> | 
        if ($windoz) { | 
| 408 | 
> | 
                if ("$spec" eq "Visible") { | 
| 409 | 
> | 
                        $cmd = qq{rcalc -e "Omega:PI/($ns*$ns)" } . | 
| 410 | 
> | 
                                q{-e "Ri=$1;Gi=$2;Bi=$3" } . | 
| 411 | 
> | 
                                qq{-e "$CIEuv" } . | 
| 412 | 
> | 
                                q{-e "$1=Yi/Omega"}; | 
| 413 | 
> | 
                } elsif ("$spec" eq "CIE-u") { | 
| 414 | 
> | 
                        $cmd = q{rcalc -e "Ri=$1;Gi=$2;Bi=$3" } . | 
| 415 | 
> | 
                                qq{-e "$CIEuv" } . | 
| 416 | 
> | 
                                q{-e "$1=uprime"}; | 
| 417 | 
> | 
                } elsif ("$spec" eq "CIE-v") { | 
| 418 | 
> | 
                        $cmd = q{rcalc -e "Ri=$1;Gi=$2;Bi=$3" } . | 
| 419 | 
> | 
                                qq{-e "$CIEuv" } . | 
| 420 | 
> | 
                                q{-e "$1=vprime"}; | 
| 421 | 
> | 
                } | 
| 422 | 
> | 
        } else { | 
| 423 | 
> | 
                if ("$spec" eq "Visible") { | 
| 424 | 
> | 
                        $cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . | 
| 425 | 
> | 
                                q{-e 'Ri=$1;Gi=$2;Bi=$3' } . | 
| 426 | 
> | 
                                "-e '$CIEuv' " . | 
| 427 | 
> | 
                                q{-e '$1=Yi/Omega'}; | 
| 428 | 
> | 
                } elsif ("$spec" eq "CIE-u") { | 
| 429 | 
> | 
                        $cmd = q{rcalc -if3 -e 'Ri=$1;Gi=$2;Bi=$3' } . | 
| 430 | 
> | 
                                "-e '$CIEuv' " . | 
| 431 | 
> | 
                                q{-e '$1=uprime'}; | 
| 432 | 
> | 
                } elsif ("$spec" eq "CIE-v") { | 
| 433 | 
> | 
                        $cmd = q{rcalc -if3 -e 'Ri=$1;Gi=$2;Bi=$3' } . | 
| 434 | 
> | 
                                "-e '$CIEuv' " . | 
| 435 | 
> | 
                                q{-e '$1=vprime'}; | 
| 436 | 
> | 
                } | 
| 437 | 
> | 
        } | 
| 438 | 
> | 
        if ($pctcull >= 0) { | 
| 439 | 
> | 
                my $avg = ( $dorecip && "$typ" =~ /^r[fb]/ ) ? " -a" : ""; | 
| 440 | 
> | 
                my $pcull = ("$spec" eq "Visible") ? $pctcull : | 
| 441 | 
> | 
                                                     (100 - (100-$pctcull)*.25) ; | 
| 442 | 
> | 
                if ($windoz) { | 
| 443 | 
> | 
                        $cmd = "rcollate -ho -oc 1 $src | " . | 
| 444 | 
> | 
                                        $cmd . | 
| 445 | 
> | 
                                        " | rttree_reduce$avg -h -fa -t $pcull -r $tensortree -g $ttlog2"; | 
| 446 | 
> | 
                } else { | 
| 447 | 
> | 
                        $cmd .= " -of $src " . | 
| 448 | 
> | 
                                        "| rttree_reduce$avg -h -ff -t $pcull -r $tensortree -g $ttlog2"; | 
| 449 | 
> | 
                } | 
| 450 | 
> | 
                run_check "$cmd > $dest"; | 
| 451 | 
> | 
        } else { | 
| 452 | 
> | 
                if ($windoz) { | 
| 453 | 
> | 
                        $cmd = "rcollate -ho -oc 1 $src | " . $cmd ; | 
| 454 | 
> | 
                } else { | 
| 455 | 
> | 
                        $cmd .= " $src"; | 
| 456 | 
> | 
                } | 
| 457 | 
> | 
                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; $i-- > 0; ) { | 
| 466 | 
> | 
                                print DATOUT "0\n"; | 
| 467 | 
> | 
                        } | 
| 468 | 
> | 
                        print DATOUT "}\n"; | 
| 469 | 
> | 
                        close DATOUT; | 
| 470 | 
> | 
                } | 
| 471 | 
> | 
        } | 
| 472 | 
> | 
        if ( "$spec" ne "$curspec" ) { | 
| 473 | 
> | 
                $wrapper .= " -s $spec"; | 
| 474 | 
> | 
                $curspec = $spec; | 
| 475 | 
> | 
        } | 
| 476 | 
> | 
        $wrapper .= " -$typ $dest"; | 
| 477 | 
> | 
}       # end of ttree_comp() | 
| 478 | 
> | 
 | 
| 479 | 
> | 
#------------- End of do_tree_bsdf() & subroutines -------------# | 
| 480 | 
> | 
 | 
| 481 | 
> | 
#+++++++++++++++ Klems matrix BSDF generation +++++++++++++++# | 
| 482 | 
> | 
sub do_matrix_bsdf { | 
| 483 | 
> | 
 | 
| 484 | 
> | 
        # Run rfluxmtx processes to compute each side | 
| 485 | 
> | 
        do_matrix_dir(0) if ( $doback ); | 
| 486 | 
> | 
        do_matrix_dir(1) if ( $doforw ); | 
| 487 | 
> | 
 | 
| 488 | 
> | 
}       # end of sub do_matrix_bsdf() | 
| 489 | 
> | 
 | 
| 490 | 
> | 
# Call rfluxmtx and process tensor tree BSDF for the given direction | 
| 491 | 
> | 
sub do_matrix_dir { | 
| 492 | 
> | 
        my $forw = shift; | 
| 493 | 
> | 
        my $dop = do_phase(); | 
| 494 | 
> | 
        my $r = ($dop < 0) ? " -r" : ""; | 
| 495 | 
> | 
        my $sender = ($bsender,$fsender)[$forw]; | 
| 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 | 
> | 
 | 
| 505 | 
> | 
sub matrix_out { | 
| 506 | 
> | 
        my $forw = shift; | 
| 507 | 
> | 
        my ($refldat,$transdat); | 
| 508 | 
> | 
        if ( $forw ) { | 
| 509 | 
> | 
                $transdat = $facedat; | 
| 510 | 
> | 
                $refldat = $behinddat; | 
| 511 | 
> | 
        } else { | 
| 512 | 
> | 
                $transdat = $behinddat; | 
| 513 | 
> | 
                $refldat = $facedat; | 
| 514 | 
> | 
        } | 
| 515 | 
> | 
        # Output transmission | 
| 516 | 
> | 
        my $ttyp = ("tb","tf")[$forw]; | 
| 517 | 
> | 
        matrix_comp($ttyp, "Visible", $transdat, ($tb,$tf)[$forw]); | 
| 518 | 
> | 
        if ( $docolor ) { | 
| 519 | 
> | 
                matrix_comp($ttyp, "CIE-X", $transdat, ($tbx,$tfx)[$forw]); | 
| 520 | 
> | 
                matrix_comp($ttyp, "CIE-Z", $transdat, ($tbz,$tfz)[$forw]); | 
| 521 | 
> | 
        } | 
| 522 | 
> | 
        # Output reflection | 
| 523 | 
> | 
        my $rtyp = ("rb","rf")[$forw]; | 
| 524 | 
> | 
        matrix_comp($rtyp, "Visible", $refldat, ($rb,$rf)[$forw]); | 
| 525 | 
> | 
        if ( $docolor ) { | 
| 526 | 
> | 
                matrix_comp($rtyp, "CIE-X", $refldat, ($rbx,$rfx)[$forw]); | 
| 527 | 
> | 
                matrix_comp($rtyp, "CIE-Z", $refldat, ($rbz,$rfz)[$forw]); | 
| 528 | 
> | 
        } | 
| 529 | 
> | 
}       # end of matrix_out() | 
| 530 | 
> | 
 | 
| 531 | 
> | 
# Transpose matrix component data and save to file | 
| 532 | 
> | 
sub matrix_comp { | 
| 533 | 
> | 
        my $typ = shift; | 
| 534 | 
> | 
        my $spec = shift; | 
| 535 | 
> | 
        my $src = shift; | 
| 536 | 
> | 
        my $dest = shift; | 
| 537 | 
> | 
        my $cmd = "rmtxop -fa -t"; | 
| 538 | 
> | 
        if ("$spec" eq "Visible") { | 
| 539 | 
> | 
                $cmd .= " -c 0.2651 0.6701 0.0648"; | 
| 540 | 
> | 
        } elsif ("$spec" eq "CIE-X") { | 
| 541 | 
> | 
                $cmd .= " -c 0.5141 0.3239 0.1620"; | 
| 542 | 
> | 
        } elsif ("$spec" eq "CIE-Z") { | 
| 543 | 
> | 
                $cmd .= " -c 0.0241 0.1229 0.8530"; | 
| 544 | 
> | 
        } | 
| 545 | 
> | 
        $cmd .= " $src | getinfo -"; | 
| 546 | 
> | 
        run_check "$cmd > $dest"; | 
| 547 | 
> | 
        if ( "$spec" ne "$curspec" ) { | 
| 548 | 
> | 
                $wrapper .= " -s $spec"; | 
| 549 | 
> | 
                $curspec = $spec; | 
| 550 | 
> | 
        } | 
| 551 | 
> | 
        $wrapper .= " -$typ $dest"; | 
| 552 | 
> | 
}       # end of matrix_comp() | 
| 553 | 
> | 
 | 
| 554 | 
> | 
#------------- End of do_matrix_bsdf() & subroutines --------------# |