6 |
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# G. Ward |
7 |
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# |
8 |
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use strict; |
9 |
+ |
my $windoz = ($^O eq "MSWin32" or $^O eq "MSWin64"); |
10 |
+ |
use File::Temp qw/ :mktemp /; |
11 |
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sub userror { |
12 |
< |
print STDERR "Usage: genBSDF [-n Nproc][-c Nsamp][-dim xmin xmax ymin ymax zmin zmax][{+|-}mgf][{+|-}geom] [input ..]\n"; |
12 |
> |
print STDERR "Usage: genBSDF [-n Nproc][-c Nsamp][-t{3|4} Nlog2][-r \"ropts\"][-dim xmin xmax ymin ymax zmin zmax][{+|-}f][{+|-}b][{+|-}mgf][{+|-}geom units] [input ..]\n"; |
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exit 1; |
14 |
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} |
15 |
< |
my $td = `mktemp -d /tmp/genBSDF.XXXXXX`; |
16 |
< |
chomp $td; |
17 |
< |
my $nsamp = 1000; |
15 |
> |
my ($td,$radscn,$mgfscn,$octree,$cnttmp,$rmtmp); |
16 |
> |
if ($windoz) { |
17 |
> |
my $tmploc = `echo \%TMP\%`; |
18 |
> |
chomp($tmploc); |
19 |
> |
$td = mkdtemp("$tmploc\\genBSDF.XXXXXX"); |
20 |
> |
$radscn = "$td\\device.rad"; |
21 |
> |
$mgfscn = "$td\\device.mgf"; |
22 |
> |
$octree = "$td\\device.oct"; |
23 |
> |
chomp $td; |
24 |
> |
$rmtmp = "rmdir /S /Q $td"; |
25 |
> |
} else{ |
26 |
> |
$td = mkdtemp("/tmp/genBSDF.XXXXXX"); |
27 |
> |
chomp $td; |
28 |
> |
$radscn = "$td/device.rad"; |
29 |
> |
$mgfscn = "$td/device.mgf"; |
30 |
> |
$octree = "$td/device.oct"; |
31 |
> |
$rmtmp = "rm -rf $td"; |
32 |
> |
} |
33 |
> |
my @savedARGV = @ARGV; |
34 |
> |
my $tensortree = 0; |
35 |
> |
my $ttlog2 = 4; |
36 |
> |
my $nsamp = 2000; |
37 |
> |
my $rtargs = "-w -ab 5 -ad 700 -lw 3e-6"; |
38 |
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my $mgfin = 0; |
39 |
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my $geout = 1; |
40 |
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my $nproc = 1; |
41 |
+ |
my $doforw = 0; |
42 |
+ |
my $doback = 1; |
43 |
+ |
my $pctcull = 90; |
44 |
+ |
my $gunit = "meter"; |
45 |
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my @dim; |
46 |
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# Get options |
47 |
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while ($#ARGV >= 0) { |
48 |
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if ("$ARGV[0]" =~ /^[-+]m/) { |
49 |
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$mgfin = ("$ARGV[0]" =~ /^\+/); |
50 |
+ |
} elsif ("$ARGV[0]" eq "-r") { |
51 |
+ |
$rtargs = "$rtargs $ARGV[1]"; |
52 |
+ |
shift @ARGV; |
53 |
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} elsif ("$ARGV[0]" =~ /^[-+]g/) { |
54 |
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$geout = ("$ARGV[0]" =~ /^\+/); |
55 |
+ |
$gunit = $ARGV[1]; |
56 |
+ |
if ($gunit !~ /^(?i)(meter|foot|inch|centimeter|millimeter)$/) { |
57 |
+ |
die "Illegal geometry unit '$gunit': must be meter, foot, inch, centimeter, or millimeter\n"; |
58 |
+ |
} |
59 |
+ |
shift @ARGV; |
60 |
+ |
} elsif ("$ARGV[0]" =~ /^[-+]f/) { |
61 |
+ |
$doforw = ("$ARGV[0]" =~ /^\+/); |
62 |
+ |
} elsif ("$ARGV[0]" =~ /^[-+]b/) { |
63 |
+ |
$doback = ("$ARGV[0]" =~ /^\+/); |
64 |
+ |
} elsif ("$ARGV[0]" eq "-t") { |
65 |
+ |
# Use value < 0 for rttree_reduce bypass |
66 |
+ |
$pctcull = $ARGV[1]; |
67 |
+ |
shift @ARGV; |
68 |
+ |
} elsif ("$ARGV[0]" =~ /^-t[34]$/) { |
69 |
+ |
$tensortree = substr($ARGV[0], 2, 1); |
70 |
+ |
$ttlog2 = $ARGV[1]; |
71 |
+ |
shift @ARGV; |
72 |
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} elsif ("$ARGV[0]" eq "-c") { |
73 |
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$nsamp = $ARGV[1]; |
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shift @ARGV; |
77 |
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shift @ARGV; |
78 |
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} elsif ("$ARGV[0]" =~ /^-d/) { |
79 |
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userror() if ($#ARGV < 6); |
80 |
< |
@dim = "@ARGV[1..6]"; |
80 |
> |
@dim = @ARGV[1..6]; |
81 |
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shift @ARGV for (1..6); |
82 |
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} elsif ("$ARGV[0]" =~ /^[-+]./) { |
83 |
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userror(); |
86 |
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} |
87 |
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shift @ARGV; |
88 |
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} |
89 |
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# Check that we're actually being asked to do something |
90 |
+ |
die "Must have at least one of +forward or +backward\n" if (!$doforw && !$doback); |
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# Get scene description and dimensions |
92 |
< |
my $radscn = "$td/device.rad"; |
45 |
< |
my $mgfscn = "$td/device.mgf"; |
46 |
< |
my $octree = "$td/device.oct"; |
92 |
> |
|
93 |
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if ( $mgfin ) { |
94 |
< |
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"; |
94 |
> |
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}; |
95 |
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die "Could not load MGF input\n" if ( $? ); |
96 |
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system "mgf2rad $mgfscn > $radscn"; |
97 |
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} else { |
98 |
< |
system "cat @ARGV | xform -e > $radscn"; |
98 |
> |
system "xform -e @ARGV > $radscn"; |
99 |
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die "Could not load Radiance input\n" if ( $? ); |
100 |
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system "rad2mgf $radscn > $mgfscn" if ( $geout ); |
101 |
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} |
102 |
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if ($#dim != 5) { |
103 |
< |
@dim = split /\s+/, `getbbox -h $radscn`; |
58 |
< |
shift @dim; |
103 |
> |
@dim = split ' ', `getbbox -h $radscn`; |
104 |
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} |
105 |
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print STDERR "Warning: Device extends into room\n" if ($dim[5] > 1e-5); |
106 |
< |
# Add receiver surface (rectangle) |
107 |
< |
my $modnm="_receiver_black_"; |
106 |
> |
# Add receiver surfaces (rectangular) |
107 |
> |
my $fmodnm="receiver_face"; |
108 |
> |
my $bmodnm="receiver_behind"; |
109 |
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open(RADSCN, ">> $radscn"); |
110 |
< |
print RADSCN "void glow $modnm\n0\n0\n4 0 0 0 0\n\n"; |
111 |
< |
print RADSCN "$modnm polygon _receiver_\n0\n0\n12\n"; |
112 |
< |
print RADSCN "\t",$dim[0],"\t",$dim[2],"\t",$dim[5]+1e-5,"\n"; |
113 |
< |
print RADSCN "\t",$dim[0],"\t",$dim[3],"\t",$dim[5]+1e-5,"\n"; |
68 |
< |
print RADSCN "\t",$dim[1],"\t",$dim[3],"\t",$dim[5]+1e-5,"\n"; |
69 |
< |
print RADSCN "\t",$dim[1],"\t",$dim[2],"\t",$dim[5]+1e-5,"\n"; |
110 |
> |
print RADSCN "void glow $fmodnm\n0\n0\n4 1 1 1 0\n\n"; |
111 |
> |
print RADSCN "$fmodnm source f_receiver\n0\n0\n4 0 0 1 180\n"; |
112 |
> |
print RADSCN "void glow $bmodnm\n0\n0\n4 1 1 1 0\n\n"; |
113 |
> |
print RADSCN "$bmodnm source b_receiver\n0\n0\n4 0 0 -1 180\n"; |
114 |
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close RADSCN; |
115 |
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# Generate octree |
116 |
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system "oconv -w $radscn > $octree"; |
117 |
|
die "Could not compile scene\n" if ( $? ); |
74 |
– |
# Set up sampling |
75 |
– |
# Kbin to produce incident direction in full Klems basis with (x1,x2) randoms |
76 |
– |
my $tcal = ' |
77 |
– |
DEGREE : PI/180; |
78 |
– |
sq(x) : x*x; |
79 |
– |
Kpola(r) : select(r+1, -5, 5, 15, 25, 35, 45, 55, 65, 75, 90); |
80 |
– |
Knaz(r) : select(r, 1, 8, 16, 20, 24, 24, 24, 16, 12); |
81 |
– |
Kaccum(r) : if(r-.5, Knaz(r) + Kaccum(r-1), 0); |
82 |
– |
Kmax : Kaccum(Knaz(0)); |
83 |
– |
Kfindrow(r, rem) : if(rem-Knaz(r)+.5, Kfindrow(r+1, rem-Knaz(r)), r); |
84 |
– |
Krow = if(Kbin-(Kmax-.5), 0, Kfindrow(1, Kbin)); |
85 |
– |
Kcol = Kbin - Kaccum(Krow-1); |
86 |
– |
Kazi = 360*DEGREE * (Kcol + (.5 - x2)) / Knaz(Krow); |
87 |
– |
Kpol = DEGREE * (x1*Kpola(Krow) + (1-x1)*Kpola(Krow-1)); |
88 |
– |
sin_kpol = sin(Kpol); |
89 |
– |
Dx = -cos(Kazi)*sin_kpol; |
90 |
– |
Dy = sin(Kazi)*sin_kpol; |
91 |
– |
Dz = sqrt(1 - sin_kpol*sin_kpol); |
92 |
– |
KprojOmega = PI * if(Kbin-.5, |
93 |
– |
(sq(cos(Kpola(Krow-1)*DEGREE)) - sq(cos(Kpola(Krow)*DEGREE)))/Knaz(Krow), |
94 |
– |
1 - sq(cos(Kpola(1)*DEGREE))); |
95 |
– |
'; |
96 |
– |
# Compute Klems bin from exiting ray direction |
97 |
– |
my $kcal = ' |
98 |
– |
DEGREE : PI/180; |
99 |
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Acos(x) : 1/DEGREE * if(x-1, 0, if(-1-x, 0, acos(x))); |
100 |
– |
posangle(a) : if(-a, a + 2*PI, a); |
101 |
– |
Atan2(y,x) : 1/DEGREE * posangle(atan2(y,x)); |
102 |
– |
kpola(r) : select(r, 5, 15, 25, 35, 45, 55, 65, 75, 90); |
103 |
– |
knaz(r) : select(r, 1, 8, 16, 20, 24, 24, 24, 16, 12); |
104 |
– |
kaccum(r) : if(r-.5, knaz(r) + kaccum(r-1), 0); |
105 |
– |
kfindrow(r, pol) : if(r-kpola(0)+.5, r, |
106 |
– |
if(pol-kpola(r), kfindrow(r+1, pol), r) ); |
107 |
– |
kazn(azi,inc) : if((360-.5*inc)-azi, floor((azi+.5*inc)/inc), 0); |
108 |
– |
kbin2(pol,azi) = select(kfindrow(1, pol), |
109 |
– |
kazn(azi,360/knaz(1)), |
110 |
– |
kaccum(1) + kazn(azi,360/knaz(2)), |
111 |
– |
kaccum(2) + kazn(azi,360/knaz(3)), |
112 |
– |
kaccum(3) + kazn(azi,360/knaz(4)), |
113 |
– |
kaccum(4) + kazn(azi,360/knaz(5)), |
114 |
– |
kaccum(5) + kazn(azi,360/knaz(6)), |
115 |
– |
kaccum(6) + kazn(azi,360/knaz(7)), |
116 |
– |
kaccum(7) + kazn(azi,360/knaz(8)), |
117 |
– |
kaccum(8) + kazn(azi,360/knaz(9)) |
118 |
– |
); |
119 |
– |
kbin = kbin2(Acos(Dz), Atan2(Dy, -Dx)); |
120 |
– |
'; |
121 |
– |
my $ndiv = 145; |
122 |
– |
my $nx = int(sqrt($nsamp*($dim[1]-$dim[0])/($dim[3]-$dim[2])) + .5); |
123 |
– |
my $ny = int($nsamp/$nx + .5); |
124 |
– |
$nsamp = $nx * $ny; |
125 |
– |
# Compute scattering data using rtcontrib |
126 |
– |
my $cmd = "cnt $ndiv $ny $nx | rcalc -of -e '$tcal' " . |
127 |
– |
"-e 'xp=(\$3+rand(.35*recno-15))*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . |
128 |
– |
"-e 'yp=(\$2+rand(.86*recno+11))*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . |
129 |
– |
"-e 'zp:$dim[4]-1e-5' " . |
130 |
– |
q{-e 'Kbin=$1;x1=rand(1.21*recno+2.75);x2=rand(-3.55*recno-7.57)' } . |
131 |
– |
q{-e '$1=xp;$2=yp;$3=zp;$4=Dx;$5=Dy;$6=Dz' } . |
132 |
– |
"| rtcontrib -h -ff -n $nproc -c $nsamp -e '$kcal' -b kbin -bn $ndiv " . |
133 |
– |
"-m $modnm -w -ab 5 -ad 700 -lw 3e-6 $octree " . |
134 |
– |
"| rcalc -e '$tcal' " . |
135 |
– |
"-e 'mod(n,d):n-floor(n/d)*d' -e 'Kbin=mod(recno-1,$ndiv)' " . |
136 |
– |
q{-if3 -e '$1=(0.265*$1+0.670*$2+0.065*$3)/KprojOmega'}; |
137 |
– |
my @darr = `$cmd`; |
138 |
– |
die "Failure running: $cmd\n" if ( $? ); |
118 |
|
# Output XML prologue |
119 |
|
print |
120 |
|
'<?xml version="1.0" encoding="UTF-8"?> |
121 |
|
<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"> |
143 |
– |
<WindowElementType>System</WindowElementType> |
144 |
– |
<Optical> |
145 |
– |
<Layer> |
146 |
– |
<Material> |
147 |
– |
<Name>Name</Name> |
148 |
– |
<Manufacturer>Manufacturer</Manufacturer> |
122 |
|
'; |
123 |
< |
printf "\t\t\t<Thickness unit=\"Meter\">%.3f</Thickness>\n", $dim[5] - $dim[4]; |
124 |
< |
printf "\t\t\t<Width unit=\"Meter\">%.3f</Width>\n", $dim[1] - $dim[0]; |
125 |
< |
printf "\t\t\t<Height unit=\"Meter\">%.3f</Height>\n", $dim[3] - $dim[2]; |
126 |
< |
print "\t\t\t<DeviceType>Integral</DeviceType>\n"; |
123 |
> |
print "<!-- File produced by: genBSDF @savedARGV -->\n"; |
124 |
> |
print |
125 |
> |
'<WindowElementType>System</WindowElementType> |
126 |
> |
<FileType>BSDF</FileType> |
127 |
> |
<Optical> |
128 |
> |
<Layer> |
129 |
> |
<Material> |
130 |
> |
<Name>Name</Name> |
131 |
> |
<Manufacturer>Manufacturer</Manufacturer> |
132 |
> |
'; |
133 |
> |
printf qq{\t\t<Thickness unit="$gunit">%.6f</Thickness>\n}, $dim[5] - $dim[4]; |
134 |
> |
printf qq{\t\t<Width unit="$gunit">%.6f</Width>\n}, $dim[1] - $dim[0]; |
135 |
> |
printf qq{\t\t<Height unit="$gunit">%.6f</Height>\n}, $dim[3] - $dim[2]; |
136 |
> |
print "\t\t<DeviceType>Other</DeviceType>\n"; |
137 |
> |
print "\t</Material>\n"; |
138 |
|
# Output MGF description if requested |
139 |
|
if ( $geout ) { |
140 |
< |
print "\t\t\t<Geometry format=\"MGF\" unit=\"Meter\">\n"; |
140 |
> |
print qq{\t\t<Geometry format="MGF">\n}; |
141 |
> |
print qq{\t\t<MGFblock unit="$gunit">\n}; |
142 |
|
printf "xf -t %.6f %.6f 0\n", -($dim[0]+$dim[1])/2, -($dim[2]+$dim[3])/2; |
143 |
< |
system "cat $mgfscn"; |
143 |
> |
open(MGFSCN, "< $mgfscn"); |
144 |
> |
while (<MGFSCN>) { print $_; } |
145 |
> |
close MGFSCN; |
146 |
|
print "xf\n"; |
147 |
< |
print "\t\t\t</Geometry>\n"; |
147 |
> |
print "</MGFblock>\n"; |
148 |
> |
print "\t</Geometry>\n"; |
149 |
|
} |
150 |
< |
print ' </Material> |
151 |
< |
<DataDefinition> |
152 |
< |
<IncidentDataStructure>Columns</IncidentDataStructure> |
153 |
< |
<AngleBasis> |
150 |
> |
# Set up surface sampling |
151 |
> |
my $nx = int(sqrt($nsamp*($dim[1]-$dim[0])/($dim[3]-$dim[2])) + 1); |
152 |
> |
my $ny = int($nsamp/$nx + 1); |
153 |
> |
$nsamp = $nx * $ny; |
154 |
> |
my $ns = 2**$ttlog2; |
155 |
> |
my (@pdiv, $disk2sq, $sq2disk, $tcal, $kcal); |
156 |
> |
# Create data segments (all the work happens here) |
157 |
> |
if ( $tensortree ) { |
158 |
> |
do_tree_bsdf(); |
159 |
> |
} else { |
160 |
> |
do_matrix_bsdf(); |
161 |
> |
} |
162 |
> |
# Output XML epilogue |
163 |
> |
print |
164 |
> |
'</Layer> |
165 |
> |
</Optical> |
166 |
> |
</WindowElement> |
167 |
> |
'; |
168 |
> |
# Clean up temporary files and exit |
169 |
> |
system $rmtmp; |
170 |
> |
|
171 |
> |
#-------------- End of main program segment --------------# |
172 |
> |
|
173 |
> |
#++++++++++++++ Tensor tree BSDF generation ++++++++++++++# |
174 |
> |
sub do_tree_bsdf { |
175 |
> |
# Shirley-Chiu mapping from unit square to disk |
176 |
> |
$sq2disk = 'in_square_a = 2*in_square_x - 1; ' . |
177 |
> |
'in_square_b = 2*in_square_y - 1; ' . |
178 |
> |
'in_square_rgn = if(in_square_a + in_square_b, ' . |
179 |
> |
'if(in_square_a - in_square_b, 1, 2), ' . |
180 |
> |
'if(in_square_b - in_square_a, 3, 4)); ' . |
181 |
> |
'out_disk_r = .999995*select(in_square_rgn, in_square_a, in_square_b, ' . |
182 |
> |
'-in_square_a, -in_square_b); ' . |
183 |
> |
'out_disk_phi = PI/4 * select(in_square_rgn, ' . |
184 |
> |
'in_square_b/in_square_a, ' . |
185 |
> |
'2 - in_square_a/in_square_b, ' . |
186 |
> |
'4 + in_square_b/in_square_a, ' . |
187 |
> |
'if(in_square_b*in_square_b, ' . |
188 |
> |
'6 - in_square_a/in_square_b, 0)); ' . |
189 |
> |
'Dx = out_disk_r*cos(out_disk_phi); ' . |
190 |
> |
'Dy = out_disk_r*sin(out_disk_phi); ' . |
191 |
> |
'Dz = sqrt(1 - out_disk_r*out_disk_r);' ; |
192 |
> |
# Shirley-Chiu mapping from unit disk to square |
193 |
> |
$disk2sq = 'norm_radians(p) : if(-p - PI/4, p + 2*PI, p); ' . |
194 |
> |
'in_disk_r = .999995*sqrt(Dx*Dx + Dy*Dy); ' . |
195 |
> |
'in_disk_phi = norm_radians(atan2(Dy, Dx)); ' . |
196 |
> |
'in_disk_rgn = floor((.999995*in_disk_phi + PI/4)/(PI/2)) + 1; ' . |
197 |
> |
'out_square_a = select(in_disk_rgn, ' . |
198 |
> |
'in_disk_r, ' . |
199 |
> |
'(PI/2 - in_disk_phi)*in_disk_r/(PI/4), ' . |
200 |
> |
'-in_disk_r, ' . |
201 |
> |
'(in_disk_phi - 3*PI/2)*in_disk_r/(PI/4)); ' . |
202 |
> |
'out_square_b = select(in_disk_rgn, ' . |
203 |
> |
'in_disk_phi*in_disk_r/(PI/4), ' . |
204 |
> |
'in_disk_r, ' . |
205 |
> |
'(PI - in_disk_phi)*in_disk_r/(PI/4), ' . |
206 |
> |
'-in_disk_r); ' . |
207 |
> |
'out_square_x = (out_square_a + 1)/2; ' . |
208 |
> |
'out_square_y = (out_square_b + 1)/2;'; |
209 |
> |
# Announce ourselves in XML output |
210 |
> |
print "\t<DataDefinition>\n"; |
211 |
> |
print "\t\t<IncidentDataStructure>TensorTree$tensortree</IncidentDataStructure>\n"; |
212 |
> |
print "\t</DataDefinition>\n"; |
213 |
> |
|
214 |
> |
# Start rcontrib processes for compute each side |
215 |
> |
do_tree_rtcontrib(0) if ( $doback ); |
216 |
> |
do_tree_rtcontrib(1) if ( $doforw ); |
217 |
> |
|
218 |
> |
} # end of sub do_tree_bsdf() |
219 |
> |
|
220 |
> |
# Run rcontrib process to generate tensor tree samples |
221 |
> |
sub do_tree_rtcontrib { |
222 |
> |
my $forw = shift; |
223 |
> |
my $cmd; |
224 |
> |
my $matargs = "-m $bmodnm"; |
225 |
> |
if ( !$forw || !$doback || $tensortree==3 ) { $matargs .= " -m $fmodnm"; } |
226 |
> |
if ($windoz) { |
227 |
> |
$cmd = "rcontrib $rtargs -h -faa -fo -n $nproc -c $nsamp " . |
228 |
> |
qq{-e "$disk2sq" -bn "$ns*$ns" } . |
229 |
> |
qq{-b "$ns*floor(out_square_x*$ns)+floor(out_square_y*$ns)" } . |
230 |
> |
"-o $td/%s.flt $matargs $octree"; |
231 |
> |
} else { |
232 |
> |
$cmd = "rcontrib $rtargs -h -fff -fo -n $nproc -c $nsamp " . |
233 |
> |
qq{-e "$disk2sq" -bn "$ns*$ns" } . |
234 |
> |
qq{-b "$ns*floor(out_square_x*$ns)+floor(out_square_y*$ns)" } . |
235 |
> |
"-o $td/%s.flt $matargs $octree"; |
236 |
> |
} |
237 |
> |
if ( $tensortree == 3 ) { |
238 |
> |
# Isotropic BSDF |
239 |
> |
my $ns2 = $ns / 2; |
240 |
> |
if ($windoz) { |
241 |
> |
$cmd = "cnt $ns2 $ny $nx " . |
242 |
> |
qq{| rcalc -e "r1=rand(.8681*recno-.673892)" } . |
243 |
> |
qq{-e "r2=rand(-5.37138*recno+67.1737811)" } . |
244 |
> |
qq{-e "r3=rand(+3.17603772*recno+83.766771)" } . |
245 |
> |
qq{-e "Dx=1-2*(\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)" } . |
246 |
> |
qq{-e "xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]" } . |
247 |
> |
qq{-e "yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]" } . |
248 |
> |
qq{-e "zp=$dim[5-$forw]" -e "myDz=Dz*($forw*2-1)" } . |
249 |
> |
qq{-e "\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz" } . |
250 |
> |
qq{-e "\$4=Dx;\$5=Dy;\$6=myDz" } . |
251 |
> |
"| $cmd"; |
252 |
> |
} else { |
253 |
> |
$cmd = "cnt $ns2 $ny $nx " . |
254 |
> |
qq{| rcalc -e "r1=rand(.8681*recno-.673892)" } . |
255 |
> |
qq{-e "r2=rand(-5.37138*recno+67.1737811)" } . |
256 |
> |
qq{-e "r3=rand(+3.17603772*recno+83.766771)" } . |
257 |
> |
qq{-e "Dx=1-2*(\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)" } . |
258 |
> |
qq{-e "xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]" } . |
259 |
> |
qq{-e "yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]" } . |
260 |
> |
qq{-e "zp=$dim[5-$forw]" -e "myDz=Dz*($forw*2-1)" } . |
261 |
> |
qq{-e '\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz' } . |
262 |
> |
qq{-e '\$4=Dx;\$5=Dy;\$6=myDz' -of } . |
263 |
> |
"| $cmd"; |
264 |
> |
} |
265 |
> |
} else { |
266 |
> |
# Anisotropic BSDF |
267 |
> |
# Sample area vertically to improve load balance, since |
268 |
> |
# shading systems usually have bilateral symmetry (L-R) |
269 |
> |
if ($windoz) { |
270 |
> |
$cmd = "cnt $ns $ns $ny $nx " . |
271 |
> |
qq{| rcalc -e "r1=rand(.8681*recno-.673892)" } . |
272 |
> |
qq{-e "r2=rand(-5.37138*recno+67.1737811)" } . |
273 |
> |
qq{-e "r3=rand(3.17603772*recno+83.766771)" } . |
274 |
> |
qq{-e "r4=rand(-2.3857833*recno-964.72738)" } . |
275 |
> |
qq{-e "in_square_x=(\$1+r1)/$ns" } . |
276 |
> |
qq{-e "in_square_y=(\$2+r2)/$ns" -e "$sq2disk" } . |
277 |
> |
qq{-e "xp=(\$4+r3)*(($dim[1]-$dim[0])/$nx)+$dim[0]" } . |
278 |
> |
qq{-e "yp=(\$3+r4)*(($dim[3]-$dim[2])/$ny)+$dim[2]" } . |
279 |
> |
qq{-e "zp=$dim[5-$forw]" -e "myDz=Dz*($forw*2-1)" } . |
280 |
> |
qq{-e "\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz" } . |
281 |
> |
qq{-e "\$4=Dx;\$5=Dy;\$6=myDz" } . |
282 |
> |
"| $cmd"; |
283 |
> |
} else { |
284 |
> |
$cmd = "cnt $ns $ns $ny $nx " . |
285 |
> |
qq{| rcalc -e "r1=rand(.8681*recno-.673892)" } . |
286 |
> |
qq{-e "r2=rand(-5.37138*recno+67.1737811)" } . |
287 |
> |
qq{-e "r3=rand(3.17603772*recno+83.766771)" } . |
288 |
> |
qq{-e "r4=rand(-2.3857833*recno-964.72738)" } . |
289 |
> |
qq{-e "in_square_x=(\$1+r1)/$ns" } . |
290 |
> |
qq{-e "in_square_y=(\$2+r2)/$ns" -e "$sq2disk" } . |
291 |
> |
qq{-e "xp=(\$4+r3)*(($dim[1]-$dim[0])/$nx)+$dim[0]" } . |
292 |
> |
qq{-e "yp=(\$3+r4)*(($dim[3]-$dim[2])/$ny)+$dim[2]" } . |
293 |
> |
qq{-e "zp=$dim[5-$forw]" -e "myDz=Dz*($forw*2-1)" } . |
294 |
> |
qq{-e '\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz' } . |
295 |
> |
qq{-e '\$4=Dx;\$5=Dy;\$6=myDz' -of } . |
296 |
> |
"| $cmd"; |
297 |
> |
} |
298 |
> |
} |
299 |
> |
# print STDERR "Starting: $cmd\n"; |
300 |
> |
system "$cmd" || die "Failure running rcontrib"; |
301 |
> |
ttree_out($forw); |
302 |
> |
} # end of do_tree_rtcontrib() |
303 |
> |
|
304 |
> |
# Simplify and output tensor tree results |
305 |
> |
sub ttree_out { |
306 |
> |
my $forw = shift; |
307 |
> |
my $side = ("Back","Front")[$forw]; |
308 |
> |
my $cmd; |
309 |
> |
# Only output one transmitted anisotropic distribution, preferring backwards |
310 |
> |
if ( !$forw || !$doback || $tensortree==3 ) { |
311 |
> |
print |
312 |
> |
' <WavelengthData> |
313 |
> |
<LayerNumber>System</LayerNumber> |
314 |
> |
<Wavelength unit="Integral">Visible</Wavelength> |
315 |
> |
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
316 |
> |
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
317 |
> |
<WavelengthDataBlock>' ; |
318 |
> |
print "\t\t\t<WavelengthDataDirection>Transmission $side</WavelengthDataDirection>\n"; |
319 |
> |
print |
320 |
> |
' <AngleBasis>LBNL/Shirley-Chiu</AngleBasis> |
321 |
> |
<ScatteringDataType>BTDF</ScatteringDataType> |
322 |
> |
<ScatteringData> |
323 |
> |
'; |
324 |
> |
if ($windoz) { |
325 |
> |
$cmd = qq{rcalc -e "Omega:PI/($ns*$ns)" } . |
326 |
> |
q{-e "$1=(0.265*$1+0.670*$2+0.065*$3)/Omega" }; |
327 |
> |
} else { |
328 |
> |
$cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
329 |
> |
q{-e '$1=(0.265*$1+0.670*$2+0.065*$3)/Omega' }; |
330 |
> |
} |
331 |
> |
if ($pctcull >= 0) { |
332 |
> |
if ($windoz) { |
333 |
> |
$cmd = "rcollate -h -oc 1 $td/" . ($bmodnm,$fmodnm)[$forw] . ".flt | " . |
334 |
> |
$cmd . |
335 |
> |
"| rttree_reduce -h -fa -t $pctcull -r $tensortree -g $ttlog2"; |
336 |
> |
} else { |
337 |
> |
$cmd .= "-of $td/" . ($bmodnm,$fmodnm)[$forw] . ".flt " . |
338 |
> |
" | rttree_reduce -h -ff -t $pctcull -r $tensortree -g $ttlog2"; |
339 |
> |
} |
340 |
> |
system "$cmd" || die "Failure running rttree_reduce"; |
341 |
> |
} else { |
342 |
> |
if ($windoz) { |
343 |
> |
$cmd = "rcollate -h -oc 1 $td/" . ($bmodnm,$fmodnm)[$forw] . ".flt | " . |
344 |
> |
$cmd ; |
345 |
> |
} else { |
346 |
> |
$cmd .= "$td/" . ($bmodnm,$fmodnm)[$forw] . ".flt"; |
347 |
> |
} |
348 |
> |
print "{\n"; |
349 |
> |
system "$cmd" || die "Failure running rcalc"; |
350 |
> |
for (my $i = ($tensortree==3)*$ns*$ns*$ns/2; $i-- > 0; ) { |
351 |
> |
print "0\n"; |
352 |
> |
} |
353 |
> |
print "}\n"; |
354 |
> |
} |
355 |
> |
print |
356 |
> |
' </ScatteringData> |
357 |
> |
</WavelengthDataBlock> |
358 |
> |
</WavelengthData> |
359 |
> |
'; |
360 |
> |
} |
361 |
> |
# Output reflection |
362 |
> |
print |
363 |
> |
' <WavelengthData> |
364 |
> |
<LayerNumber>System</LayerNumber> |
365 |
> |
<Wavelength unit="Integral">Visible</Wavelength> |
366 |
> |
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
367 |
> |
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
368 |
> |
<WavelengthDataBlock> |
369 |
> |
'; |
370 |
> |
print "\t\t\t<WavelengthDataDirection>Reflection $side</WavelengthDataDirection>\n"; |
371 |
> |
print |
372 |
> |
' <AngleBasis>LBNL/Shirley-Chiu</AngleBasis> |
373 |
> |
<ScatteringDataType>BTDF</ScatteringDataType> |
374 |
> |
<ScatteringData> |
375 |
> |
'; |
376 |
> |
if ($windoz) { |
377 |
> |
$cmd = qq{rcalc -e "Omega:PI/($ns*$ns)" } . |
378 |
> |
q{-e "$1=(0.265*$1+0.670*$2+0.065*$3)/Omega" }; |
379 |
> |
}else { |
380 |
> |
$cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
381 |
> |
q{-e '$1=(0.265*$1+0.670*$2+0.065*$3)/Omega' }; |
382 |
> |
} |
383 |
> |
if ($pctcull >= 0) { |
384 |
> |
if ($windoz) { |
385 |
> |
$cmd = "rcollate -h -oc 1 $td/" . ($fmodnm,$bmodnm)[$forw] . ".flt |" . |
386 |
> |
$cmd . |
387 |
> |
" | rttree_reduce -a -h -fa -t $pctcull -r $tensortree -g $ttlog2"; |
388 |
> |
|
389 |
> |
} else { |
390 |
> |
$cmd .= "-of $td/" . ($fmodnm,$bmodnm)[$forw] . ".flt " . |
391 |
> |
"| rttree_reduce -a -h -ff -t $pctcull -r $tensortree -g $ttlog2"; |
392 |
> |
} |
393 |
> |
system "$cmd" || die "Failure running rttree_reduce"; |
394 |
> |
} else { |
395 |
> |
if ($windoz) { |
396 |
> |
$cmd = "rcollate -h -oc 1 $td/" . ($fmodnm,$bmodnm)[$forw] . ".flt |" . |
397 |
> |
$cmd ; |
398 |
> |
} else { |
399 |
> |
$cmd .= "$td/" . ($fmodnm,$bmodnm)[$forw] . ".flt"; |
400 |
> |
} |
401 |
> |
print "{\n"; |
402 |
> |
system "$cmd" || die "Failure running rcalc"; |
403 |
> |
for (my $i = ($tensortree==3)*$ns*$ns*$ns/2; $i-- > 0; ) { |
404 |
> |
print "0\n"; |
405 |
> |
} |
406 |
> |
print "}\n"; |
407 |
> |
} |
408 |
> |
print |
409 |
> |
' </ScatteringData> |
410 |
> |
</WavelengthDataBlock> |
411 |
> |
</WavelengthData> |
412 |
> |
'; |
413 |
> |
} # end of ttree_out() |
414 |
> |
|
415 |
> |
#------------- End of do_tree_bsdf() & subroutines -------------# |
416 |
> |
|
417 |
> |
#+++++++++++++++ Klems matrix BSDF generation +++++++++++++++# |
418 |
> |
sub do_matrix_bsdf { |
419 |
> |
# Set up sampling of portal |
420 |
> |
# Kbin to produce incident direction in full Klems basis with (x1,x2) randoms |
421 |
> |
$tcal = 'DEGREE : PI/180; ' . |
422 |
> |
'sq(x) : x*x; ' . |
423 |
> |
'Kpola(r) : select(r+1, 0, 5, 15, 25, 35, 45, 55, 65, 75, 90); ' . |
424 |
> |
'Knaz(r) : select(r, 1, 8, 16, 20, 24, 24, 24, 16, 12); ' . |
425 |
> |
'Kaccum(r) : if(r-.5, Knaz(r) + Kaccum(r-1), 0); ' . |
426 |
> |
'Kmax : Kaccum(Knaz(0)); ' . |
427 |
> |
'Kfindrow(r, rem) : if(rem-Knaz(r)+.5, Kfindrow(r+1, rem-Knaz(r)), r); ' . |
428 |
> |
'Krow = if(Kbin-(Kmax-.5), 0, Kfindrow(1, Kbin)); ' . |
429 |
> |
'Kcol = Kbin - Kaccum(Krow-1); ' . |
430 |
> |
'Kazi = 360*DEGREE * (Kcol + (.5 - x2)) / Knaz(Krow); ' . |
431 |
> |
'Kpol = DEGREE * (x1*Kpola(Krow) + (1-x1)*Kpola(Krow-1)); ' . |
432 |
> |
'sin_kpol = sin(Kpol); ' . |
433 |
> |
'Dx = cos(Kazi)*sin_kpol; ' . |
434 |
> |
'Dy = sin(Kazi)*sin_kpol; ' . |
435 |
> |
'Dz = sqrt(1 - sin_kpol*sin_kpol); ' . |
436 |
> |
'KprojOmega = PI * if(Kbin-.5, ' . |
437 |
> |
'(sq(cos(Kpola(Krow-1)*DEGREE)) - sq(cos(Kpola(Krow)*DEGREE)))/Knaz(Krow), ' . |
438 |
> |
'1 - sq(cos(Kpola(1)*DEGREE))); '; |
439 |
> |
# Compute Klems bin from exiting ray direction (forward or backward) |
440 |
> |
$kcal = 'DEGREE : PI/180; ' . |
441 |
> |
'abs(x) : if(x, x, -x); ' . |
442 |
> |
'Acos(x) : if(x-1, 0, if(-1-x, PI, acos(x)))/DEGREE; ' . |
443 |
> |
'posangle(a) : if(-a, a + 2*PI, a); ' . |
444 |
> |
'Atan2(y,x) : posangle(atan2(y,x))/DEGREE; ' . |
445 |
> |
'kpola(r) : select(r, 5, 15, 25, 35, 45, 55, 65, 75, 90); ' . |
446 |
> |
'knaz(r) : select(r, 1, 8, 16, 20, 24, 24, 24, 16, 12); ' . |
447 |
> |
'kaccum(r) : if(r-.5, knaz(r) + kaccum(r-1), 0); ' . |
448 |
> |
'kfindrow(r, pol) : if(r-kpola(0)+.5, r, ' . |
449 |
> |
'if(pol-kpola(r), kfindrow(r+1, pol), r) ); ' . |
450 |
> |
'kazn(azi,inc) : if((360-.5*inc)-azi, floor((azi+.5*inc)/inc), 0); ' . |
451 |
> |
'kbin2(pol,azi) = select(kfindrow(1, pol), ' . |
452 |
> |
'kazn(azi,360/knaz(1)), ' . |
453 |
> |
'kaccum(1) + kazn(azi,360/knaz(2)), ' . |
454 |
> |
'kaccum(2) + kazn(azi,360/knaz(3)), ' . |
455 |
> |
'kaccum(3) + kazn(azi,360/knaz(4)), ' . |
456 |
> |
'kaccum(4) + kazn(azi,360/knaz(5)), ' . |
457 |
> |
'kaccum(5) + kazn(azi,360/knaz(6)), ' . |
458 |
> |
'kaccum(6) + kazn(azi,360/knaz(7)), ' . |
459 |
> |
'kaccum(7) + kazn(azi,360/knaz(8)), ' . |
460 |
> |
'kaccum(8) + kazn(azi,360/knaz(9)) ' . |
461 |
> |
'); ' . |
462 |
> |
'kbin = kbin2(Acos(abs(Dz)),Atan2(Dy,Dx));'; |
463 |
> |
my $ndiv = 145; |
464 |
> |
# Compute scattering data using rcontrib |
465 |
> |
my @tfarr; |
466 |
> |
my @rfarr; |
467 |
> |
my @tbarr; |
468 |
> |
my @rbarr; |
469 |
> |
my (@data,@line); # for windows |
470 |
> |
my $cmd; |
471 |
> |
my $rtcmd; |
472 |
> |
my $rccmd; |
473 |
> |
if ($windoz) { |
474 |
> |
$rtcmd = "rcontrib $rtargs -h -fo -n $nproc -c $nsamp " . |
475 |
> |
qq{-e "$kcal" -b kbin -bn $ndiv } . |
476 |
> |
qq{-o "$td\\%s.flt" -m $fmodnm -m $bmodnm $octree }; |
477 |
> |
$rccmd = qq{rcalc -e "$tcal" } . |
478 |
> |
qq{-e "mod(n,d):n-floor(n/d)*d" -e "Kbin=mod(recno-.999,$ndiv)" } . |
479 |
> |
q{ -e "$1=(0.265*$1+0.670*$2+0.065*$3)/KprojOmega" }; |
480 |
> |
} else { |
481 |
> |
$rtcmd = "rcontrib $rtargs -h -ff -fo -n $nproc -c $nsamp " . |
482 |
> |
"-e '$kcal' -b kbin -bn $ndiv " . |
483 |
> |
"-o '$td/%s.flt' -m $fmodnm -m $bmodnm $octree"; |
484 |
> |
$rccmd = "rcalc -e '$tcal' " . |
485 |
> |
"-e 'mod(n,d):n-floor(n/d)*d' -e 'Kbin=mod(recno-.999,$ndiv)' " . |
486 |
> |
q{-if3 -e '$1=(0.265*$1+0.670*$2+0.065*$3)/KprojOmega' }; |
487 |
> |
} |
488 |
> |
if ( $doforw ) { |
489 |
> |
if ($windoz) { |
490 |
> |
$cmd = qq{cnt $ndiv $ny $nx | rcalc -e "$tcal" } . |
491 |
> |
qq{-e "xp=(\$3+rand(.12*recno+288))*(($dim[1]-$dim[0])/$nx)+$dim[0]" } . |
492 |
> |
qq{-e "yp=(\$2+rand(.37*recno-44))*(($dim[3]-$dim[2])/$ny)+$dim[2]" } . |
493 |
> |
qq{-e "zp:$dim[4]" } . |
494 |
> |
q{-e "Kbin=$1;x1=rand(2.75*recno+3.1);x2=rand(-2.01*recno-3.37)" } . |
495 |
> |
q{-e "$1=xp-Dx;$2=yp-Dy;$3=zp-Dz;$4=Dx;$5=Dy;$6=Dz" } . |
496 |
> |
"| $rtcmd "; |
497 |
> |
} else { |
498 |
> |
$cmd = "cnt $ndiv $ny $nx | rcalc -of -e '$tcal' " . |
499 |
> |
"-e 'xp=(\$3+rand(.12*recno+288))*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . |
500 |
> |
"-e 'yp=(\$2+rand(.37*recno-44))*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . |
501 |
> |
"-e 'zp:$dim[4]' " . |
502 |
> |
q{-e 'Kbin=$1;x1=rand(2.75*recno+3.1);x2=rand(-2.01*recno-3.37)' } . |
503 |
> |
q{-e '$1=xp-Dx;$2=yp-Dy;$3=zp-Dz;$4=Dx;$5=Dy;$6=Dz' } . |
504 |
> |
"| $rtcmd"; |
505 |
> |
} |
506 |
> |
system "$cmd" || die "Failure running: $cmd\n"; |
507 |
> |
if ($windoz) { |
508 |
> |
@tfarr = `rcollate -h -oc 1 $td\\$fmodnm.flt | $rccmd`; |
509 |
> |
} else { |
510 |
> |
@tfarr = `$rccmd $td/$fmodnm.flt`; |
511 |
> |
} |
512 |
> |
die "Failure running: $rccmd $td/$fmodnm.flt\n" if ( $? ); |
513 |
> |
if ($windoz) { |
514 |
> |
@rfarr = `rcollate -h -oc 1 $td\\$bmodnm.flt | $rccmd`; |
515 |
> |
} else { |
516 |
> |
@rfarr = `$rccmd $td/$bmodnm.flt`; |
517 |
> |
} |
518 |
> |
die "Failure running: $rccmd $td/$bmodnm.flt\n" if ( $? ); |
519 |
> |
} |
520 |
> |
if ( $doback ) { |
521 |
> |
if ($windoz) { |
522 |
> |
$cmd = qq{cnt $ndiv $ny $nx | rcalc -e "$tcal" } . |
523 |
> |
qq{-e "xp=(\$3+rand(.35*recno-15))*(($dim[1]-$dim[0])/$nx)+$dim[0]" } . |
524 |
> |
qq{-e "yp=(\$2+rand(.86*recno+11))*(($dim[3]-$dim[2])/$ny)+$dim[2]" } . |
525 |
> |
qq{-e "zp:$dim[5]" } . |
526 |
> |
q{-e "Kbin=$1;x1=rand(1.21*recno+2.75);x2=rand(-3.55*recno-7.57)" } . |
527 |
> |
q{-e "$1=xp-Dx;$2=yp-Dy;$3=zp+Dz;$4=Dx;$5=Dy;$6=-Dz" } . |
528 |
> |
"| $rtcmd"; |
529 |
> |
} else { |
530 |
> |
$cmd = "cnt $ndiv $ny $nx | rcalc -of -e '$tcal' " . |
531 |
> |
"-e 'xp=(\$3+rand(.35*recno-15))*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . |
532 |
> |
"-e 'yp=(\$2+rand(.86*recno+11))*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . |
533 |
> |
"-e 'zp:$dim[5]' " . |
534 |
> |
q{-e 'Kbin=$1;x1=rand(1.21*recno+2.75);x2=rand(-3.55*recno-7.57)' } . |
535 |
> |
q{-e '$1=xp-Dx;$2=yp-Dy;$3=zp+Dz;$4=Dx;$5=Dy;$6=-Dz' } . |
536 |
> |
"| $rtcmd"; |
537 |
> |
} |
538 |
> |
system "$cmd" || die "Failure running: $cmd\n"; |
539 |
> |
if ($windoz) { |
540 |
> |
@tbarr = `rcollate -h -oc 1 $td\\$bmodnm.flt | $rccmd`; |
541 |
> |
} else { |
542 |
> |
@tbarr = `$rccmd $td/$bmodnm.flt`; |
543 |
> |
} |
544 |
> |
die "Failure running: $rccmd $td/$bmodnm.flt\n" if ( $? ); |
545 |
> |
chomp(@tbarr); |
546 |
> |
if ($windoz) { |
547 |
> |
@rbarr = `rcollate -h -oc 1 $td\\$fmodnm.flt | $rccmd`; |
548 |
> |
} else { |
549 |
> |
@rbarr = `$rccmd $td/$fmodnm.flt`; |
550 |
> |
} |
551 |
> |
die "Failure running: $rccmd $td/$fmodnm.flt\n" if ( $? ); |
552 |
> |
chomp(@rbarr); |
553 |
> |
} |
554 |
> |
|
555 |
> |
# Output angle basis |
556 |
> |
print |
557 |
> |
' <DataDefinition> |
558 |
> |
<IncidentDataStructure>Columns</IncidentDataStructure> |
559 |
> |
<AngleBasis> |
560 |
|
<AngleBasisName>LBNL/Klems Full</AngleBasisName> |
561 |
< |
<AngleBasisBlock> |
562 |
< |
<Theta>0</Theta> |
563 |
< |
<nPhis>1</nPhis> |
564 |
< |
<ThetaBounds> |
561 |
> |
<AngleBasisBlock> |
562 |
> |
<Theta>0</Theta> |
563 |
> |
<nPhis>1</nPhis> |
564 |
> |
<ThetaBounds> |
565 |
|
<LowerTheta>0</LowerTheta> |
566 |
|
<UpperTheta>5</UpperTheta> |
567 |
< |
</ThetaBounds> |
174 |
< |
</AngleBasisBlock> |
175 |
< |
<AngleBasisBlock> |
176 |
< |
<Theta>10</Theta> |
177 |
< |
<nPhis>8</nPhis> |
178 |
< |
<ThetaBounds> |
179 |
< |
<LowerTheta>5</LowerTheta> |
180 |
< |
<UpperTheta>15</UpperTheta> |
181 |
< |
</ThetaBounds> |
182 |
< |
</AngleBasisBlock> |
183 |
< |
<AngleBasisBlock> |
184 |
< |
<Theta>20</Theta> |
185 |
< |
<nPhis>16</nPhis> |
186 |
< |
<ThetaBounds> |
187 |
< |
<LowerTheta>15</LowerTheta> |
188 |
< |
<UpperTheta>25</UpperTheta> |
189 |
< |
</ThetaBounds> |
190 |
< |
</AngleBasisBlock> |
191 |
< |
<AngleBasisBlock> |
192 |
< |
<Theta>30</Theta> |
193 |
< |
<nPhis>20</nPhis> |
194 |
< |
<ThetaBounds> |
195 |
< |
<LowerTheta>25</LowerTheta> |
196 |
< |
<UpperTheta>35</UpperTheta> |
197 |
< |
</ThetaBounds> |
198 |
< |
</AngleBasisBlock> |
199 |
< |
<AngleBasisBlock> |
200 |
< |
<Theta>40</Theta> |
201 |
< |
<nPhis>24</nPhis> |
202 |
< |
<ThetaBounds> |
203 |
< |
<LowerTheta>35</LowerTheta> |
204 |
< |
<UpperTheta>45</UpperTheta> |
205 |
< |
</ThetaBounds> |
206 |
< |
</AngleBasisBlock> |
207 |
< |
<AngleBasisBlock> |
208 |
< |
<Theta>50</Theta> |
209 |
< |
<nPhis>24</nPhis> |
210 |
< |
<ThetaBounds> |
211 |
< |
<LowerTheta>45</LowerTheta> |
212 |
< |
<UpperTheta>55</UpperTheta> |
213 |
< |
</ThetaBounds> |
214 |
< |
</AngleBasisBlock> |
215 |
< |
<AngleBasisBlock> |
216 |
< |
<Theta>60</Theta> |
217 |
< |
<nPhis>24</nPhis> |
218 |
< |
<ThetaBounds> |
219 |
< |
<LowerTheta>55</LowerTheta> |
220 |
< |
<UpperTheta>65</UpperTheta> |
221 |
< |
</ThetaBounds> |
222 |
< |
</AngleBasisBlock> |
223 |
< |
<AngleBasisBlock> |
224 |
< |
<Theta>70</Theta> |
225 |
< |
<nPhis>16</nPhis> |
226 |
< |
<ThetaBounds> |
227 |
< |
<LowerTheta>65</LowerTheta> |
228 |
< |
<UpperTheta>75</UpperTheta> |
229 |
< |
</ThetaBounds> |
230 |
< |
</AngleBasisBlock> |
231 |
< |
<AngleBasisBlock> |
232 |
< |
<Theta>82.5</Theta> |
233 |
< |
<nPhis>12</nPhis> |
234 |
< |
<ThetaBounds> |
235 |
< |
<LowerTheta>75</LowerTheta> |
236 |
< |
<UpperTheta>90</UpperTheta> |
237 |
< |
</ThetaBounds> |
567 |
> |
</ThetaBounds> |
568 |
|
</AngleBasisBlock> |
569 |
+ |
<AngleBasisBlock> |
570 |
+ |
<Theta>10</Theta> |
571 |
+ |
<nPhis>8</nPhis> |
572 |
+ |
<ThetaBounds> |
573 |
+ |
<LowerTheta>5</LowerTheta> |
574 |
+ |
<UpperTheta>15</UpperTheta> |
575 |
+ |
</ThetaBounds> |
576 |
+ |
</AngleBasisBlock> |
577 |
+ |
<AngleBasisBlock> |
578 |
+ |
<Theta>20</Theta> |
579 |
+ |
<nPhis>16</nPhis> |
580 |
+ |
<ThetaBounds> |
581 |
+ |
<LowerTheta>15</LowerTheta> |
582 |
+ |
<UpperTheta>25</UpperTheta> |
583 |
+ |
</ThetaBounds> |
584 |
+ |
</AngleBasisBlock> |
585 |
+ |
<AngleBasisBlock> |
586 |
+ |
<Theta>30</Theta> |
587 |
+ |
<nPhis>20</nPhis> |
588 |
+ |
<ThetaBounds> |
589 |
+ |
<LowerTheta>25</LowerTheta> |
590 |
+ |
<UpperTheta>35</UpperTheta> |
591 |
+ |
</ThetaBounds> |
592 |
+ |
</AngleBasisBlock> |
593 |
+ |
<AngleBasisBlock> |
594 |
+ |
<Theta>40</Theta> |
595 |
+ |
<nPhis>24</nPhis> |
596 |
+ |
<ThetaBounds> |
597 |
+ |
<LowerTheta>35</LowerTheta> |
598 |
+ |
<UpperTheta>45</UpperTheta> |
599 |
+ |
</ThetaBounds> |
600 |
+ |
</AngleBasisBlock> |
601 |
+ |
<AngleBasisBlock> |
602 |
+ |
<Theta>50</Theta> |
603 |
+ |
<nPhis>24</nPhis> |
604 |
+ |
<ThetaBounds> |
605 |
+ |
<LowerTheta>45</LowerTheta> |
606 |
+ |
<UpperTheta>55</UpperTheta> |
607 |
+ |
</ThetaBounds> |
608 |
+ |
</AngleBasisBlock> |
609 |
+ |
<AngleBasisBlock> |
610 |
+ |
<Theta>60</Theta> |
611 |
+ |
<nPhis>24</nPhis> |
612 |
+ |
<ThetaBounds> |
613 |
+ |
<LowerTheta>55</LowerTheta> |
614 |
+ |
<UpperTheta>65</UpperTheta> |
615 |
+ |
</ThetaBounds> |
616 |
+ |
</AngleBasisBlock> |
617 |
+ |
<AngleBasisBlock> |
618 |
+ |
<Theta>70</Theta> |
619 |
+ |
<nPhis>16</nPhis> |
620 |
+ |
<ThetaBounds> |
621 |
+ |
<LowerTheta>65</LowerTheta> |
622 |
+ |
<UpperTheta>75</UpperTheta> |
623 |
+ |
</ThetaBounds> |
624 |
+ |
</AngleBasisBlock> |
625 |
+ |
<AngleBasisBlock> |
626 |
+ |
<Theta>82.5</Theta> |
627 |
+ |
<nPhis>12</nPhis> |
628 |
+ |
<ThetaBounds> |
629 |
+ |
<LowerTheta>75</LowerTheta> |
630 |
+ |
<UpperTheta>90</UpperTheta> |
631 |
+ |
</ThetaBounds> |
632 |
+ |
</AngleBasisBlock> |
633 |
|
</AngleBasis> |
634 |
|
</DataDefinition> |
635 |
< |
<WavelengthData> |
635 |
> |
'; |
636 |
> |
if ( $doforw ) { |
637 |
> |
print |
638 |
> |
' <WavelengthData> |
639 |
|
<LayerNumber>System</LayerNumber> |
640 |
|
<Wavelength unit="Integral">Visible</Wavelength> |
641 |
|
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
647 |
|
<ScatteringDataType>BTDF</ScatteringDataType> |
648 |
|
<ScatteringData> |
649 |
|
'; |
650 |
< |
# Output computed data (transposed order) |
650 |
> |
# Output front transmission (transposed order) |
651 |
|
for (my $od = 0; $od < $ndiv; $od++) { |
652 |
|
for (my $id = 0; $id < $ndiv; $id++) { |
653 |
< |
print $darr[$ndiv*$id + $od]; |
653 |
> |
chomp $tfarr[$ndiv*$id + $od]; |
654 |
> |
print $tfarr[$ndiv*$id + $od], ",\t"; |
655 |
|
} |
656 |
|
print "\n"; |
657 |
|
} |
260 |
– |
# Output XML epilogue |
658 |
|
print |
659 |
< |
' </ScatteringData> |
660 |
< |
</WavelengthDataBlock> |
659 |
> |
' </ScatteringData> |
660 |
> |
</WavelengthDataBlock> |
661 |
|
</WavelengthData> |
662 |
< |
</Layer> |
663 |
< |
</Optical> |
664 |
< |
</WindowElement> |
662 |
> |
<WavelengthData> |
663 |
> |
<LayerNumber>System</LayerNumber> |
664 |
> |
<Wavelength unit="Integral">Visible</Wavelength> |
665 |
> |
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
666 |
> |
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
667 |
> |
<WavelengthDataBlock> |
668 |
> |
<WavelengthDataDirection>Reflection Front</WavelengthDataDirection> |
669 |
> |
<ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> |
670 |
> |
<RowAngleBasis>LBNL/Klems Full</RowAngleBasis> |
671 |
> |
<ScatteringDataType>BTDF</ScatteringDataType> |
672 |
> |
<ScatteringData> |
673 |
|
'; |
674 |
< |
# Clean up temporary files |
675 |
< |
system "rm -rf $td"; |
674 |
> |
# Output front reflection (transposed order) |
675 |
> |
for (my $od = 0; $od < $ndiv; $od++) { |
676 |
> |
for (my $id = 0; $id < $ndiv; $id++) { |
677 |
> |
chomp $rfarr[$ndiv*$id + $od]; |
678 |
> |
print $rfarr[$ndiv*$id + $od], ",\t"; |
679 |
> |
} |
680 |
> |
print "\n"; |
681 |
> |
} |
682 |
> |
print |
683 |
> |
' </ScatteringData> |
684 |
> |
</WavelengthDataBlock> |
685 |
> |
</WavelengthData> |
686 |
> |
'; |
687 |
> |
} |
688 |
> |
if ( $doback ) { |
689 |
> |
print |
690 |
> |
' <WavelengthData> |
691 |
> |
<LayerNumber>System</LayerNumber> |
692 |
> |
<Wavelength unit="Integral">Visible</Wavelength> |
693 |
> |
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
694 |
> |
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
695 |
> |
<WavelengthDataBlock> |
696 |
> |
<WavelengthDataDirection>Transmission Back</WavelengthDataDirection> |
697 |
> |
<ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> |
698 |
> |
<RowAngleBasis>LBNL/Klems Full</RowAngleBasis> |
699 |
> |
<ScatteringDataType>BTDF</ScatteringDataType> |
700 |
> |
<ScatteringData> |
701 |
> |
'; |
702 |
> |
# Output back transmission (transposed order) |
703 |
> |
for (my $od = 0; $od < $ndiv; $od++) { |
704 |
> |
for (my $id = 0; $id < $ndiv; $id++) { |
705 |
> |
chomp $tbarr[$ndiv*$id + $od]; |
706 |
> |
print $tbarr[$ndiv*$id + $od], ",\t"; |
707 |
> |
} |
708 |
> |
print "\n"; |
709 |
> |
} |
710 |
> |
print |
711 |
> |
' </ScatteringData> |
712 |
> |
</WavelengthDataBlock> |
713 |
> |
</WavelengthData> |
714 |
> |
<WavelengthData> |
715 |
> |
<LayerNumber>System</LayerNumber> |
716 |
> |
<Wavelength unit="Integral">Visible</Wavelength> |
717 |
> |
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
718 |
> |
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
719 |
> |
<WavelengthDataBlock> |
720 |
> |
<WavelengthDataDirection>Reflection Back</WavelengthDataDirection> |
721 |
> |
<ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> |
722 |
> |
<RowAngleBasis>LBNL/Klems Full</RowAngleBasis> |
723 |
> |
<ScatteringDataType>BTDF</ScatteringDataType> |
724 |
> |
<ScatteringData> |
725 |
> |
'; |
726 |
> |
# Output back reflection (transposed order) |
727 |
> |
for (my $od = 0; $od < $ndiv; $od++) { |
728 |
> |
for (my $id = 0; $id < $ndiv; $id++) { |
729 |
> |
chomp $rbarr[$ndiv*$id + $od]; |
730 |
> |
print $rbarr[$ndiv*$id + $od], ",\t"; |
731 |
> |
} |
732 |
> |
print "\n"; |
733 |
> |
} |
734 |
> |
print |
735 |
> |
' </ScatteringData> |
736 |
> |
</WavelengthDataBlock> |
737 |
> |
</WavelengthData> |
738 |
> |
'; |
739 |
> |
} |
740 |
> |
} |
741 |
> |
#------------- End of do_matrix_bsdf() --------------# |