6 |
|
# G. Ward |
7 |
|
# |
8 |
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use strict; |
9 |
+ |
my $windoz = ($^O eq "MSWin32" or $^O eq "MSWin64"); |
10 |
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use File::Temp qw/ :mktemp /; |
11 |
|
sub userror { |
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] [input ..]\n"; |
12 |
> |
print STDERR "Usage: genBSDF [-n Nproc][-c Nsamp][-W][-t{3|4} Nlog2][-r \"ropts\"][-f \"x=string;y=string\"][-dim xmin xmax ymin ymax zmin zmax][{+|-}C][{+|-}f][{+|-}b][{+|-}mgf][{+|-}geom units] [input ..]\n"; |
13 |
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exit 1; |
14 |
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} |
15 |
< |
my $td = mkdtemp("/tmp/genBSDF.XXXXXX"); |
16 |
< |
chomp $td; |
15 |
> |
my ($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) { |
18 |
> |
my $tmploc = `echo \%TMP\%`; |
19 |
> |
chomp($tmploc); |
20 |
> |
$td = mkdtemp("$tmploc\\genBSDF.XXXXXX"); |
21 |
> |
$radscn = "$td\\device.rad"; |
22 |
> |
$mgfscn = "$td\\device.mgf"; |
23 |
> |
$octree = "$td\\device.oct"; |
24 |
> |
$fsender = "$td\\fsender.rad"; |
25 |
> |
$bsender = "$td\\bsender.rad"; |
26 |
> |
$receivers = "$td\\receivers.rad"; |
27 |
> |
$facedat = "$td\\face.dat"; |
28 |
> |
$behinddat = "$td\\behind.dat"; |
29 |
> |
$tf = "$td\\tf.dat"; |
30 |
> |
$rf = "$td\\rf.dat"; |
31 |
> |
$tb = "$td\\tb.dat"; |
32 |
> |
$rb = "$td\\rb.dat"; |
33 |
> |
$tfx = "$td\\tfx.dat"; |
34 |
> |
$rfx = "$td\\rfx.dat"; |
35 |
> |
$tbx = "$td\\tbx.dat"; |
36 |
> |
$rbx = "$td\\rbx.dat"; |
37 |
> |
$tfz = "$td\\tfz.dat"; |
38 |
> |
$rfz = "$td\\rfz.dat"; |
39 |
> |
$tbz = "$td\\tbz.dat"; |
40 |
> |
$rbz = "$td\\rbz.dat"; |
41 |
> |
chomp $td; |
42 |
> |
$rmtmp = "rmdir /S /Q $td"; |
43 |
> |
} else { |
44 |
> |
$td = mkdtemp("/tmp/genBSDF.XXXXXX"); |
45 |
> |
chomp $td; |
46 |
> |
$radscn = "$td/device.rad"; |
47 |
> |
$mgfscn = "$td/device.mgf"; |
48 |
> |
$octree = "$td/device.oct"; |
49 |
> |
$fsender = "$td/fsender.rad"; |
50 |
> |
$bsender = "$td/bsender.rad"; |
51 |
> |
$receivers = "$td/receivers.rad"; |
52 |
> |
$facedat = "$td/face.dat"; |
53 |
> |
$behinddat = "$td/behind.dat"; |
54 |
> |
$tf = "$td/tf.dat"; |
55 |
> |
$rf = "$td/rf.dat"; |
56 |
> |
$tb = "$td/tb.dat"; |
57 |
> |
$rb = "$td/rb.dat"; |
58 |
> |
$tfx = "$td/tfx.dat"; |
59 |
> |
$rfx = "$td/rfx.dat"; |
60 |
> |
$tbx = "$td/tbx.dat"; |
61 |
> |
$rbx = "$td/rbx.dat"; |
62 |
> |
$tfz = "$td/tfz.dat"; |
63 |
> |
$rfz = "$td/rfz.dat"; |
64 |
> |
$tbz = "$td/tbz.dat"; |
65 |
> |
$rbz = "$td/rbz.dat"; |
66 |
> |
$rmtmp = "rm -rf $td"; |
67 |
> |
} |
68 |
> |
my @savedARGV = @ARGV; |
69 |
> |
my $rfluxmtx = "rfluxmtx -v -ab 5 -ad 700 -lw 3e-6"; |
70 |
> |
my $wrapper = "wrapBSDF"; |
71 |
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my $tensortree = 0; |
72 |
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my $ttlog2 = 4; |
73 |
< |
my $nsamp = 1000; |
19 |
< |
my $rtargs = "-w -ab 5 -ad 700 -lw 3e-6"; |
73 |
> |
my $nsamp = 2000; |
74 |
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my $mgfin = 0; |
75 |
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my $geout = 1; |
76 |
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my $nproc = 1; |
77 |
+ |
my $docolor = 0; |
78 |
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my $doforw = 0; |
79 |
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my $doback = 1; |
80 |
+ |
my $pctcull = 90; |
81 |
+ |
my $gunit = "meter"; |
82 |
+ |
my $curspec = "Visible"; |
83 |
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my @dim; |
84 |
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# Get options |
85 |
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while ($#ARGV >= 0) { |
86 |
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if ("$ARGV[0]" =~ /^[-+]m/) { |
87 |
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$mgfin = ("$ARGV[0]" =~ /^\+/); |
88 |
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} elsif ("$ARGV[0]" eq "-r") { |
89 |
< |
$rtargs = "$rtargs $ARGV[1]"; |
89 |
> |
$rfluxmtx .= " $ARGV[1]"; |
90 |
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shift @ARGV; |
91 |
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} elsif ("$ARGV[0]" =~ /^[-+]g/) { |
92 |
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$geout = ("$ARGV[0]" =~ /^\+/); |
93 |
+ |
$gunit = $ARGV[1]; |
94 |
+ |
if ($gunit !~ /^(?i)(meter|foot|inch|centimeter|millimeter)$/) { |
95 |
+ |
die "Illegal geometry unit '$gunit': must be meter, foot, inch, centimeter, or millimeter\n"; |
96 |
+ |
} |
97 |
+ |
shift @ARGV; |
98 |
+ |
} elsif ("$ARGV[0]" =~ /^[-+]C/) { |
99 |
+ |
$docolor = ("$ARGV[0]" =~ /^\+/); |
100 |
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} elsif ("$ARGV[0]" =~ /^[-+]f/) { |
101 |
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$doforw = ("$ARGV[0]" =~ /^\+/); |
102 |
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} elsif ("$ARGV[0]" =~ /^[-+]b/) { |
103 |
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$doback = ("$ARGV[0]" =~ /^\+/); |
104 |
+ |
} elsif ("$ARGV[0]" eq "-t") { |
105 |
+ |
# Use value < 0 for rttree_reduce bypass |
106 |
+ |
$pctcull = $ARGV[1]; |
107 |
+ |
shift @ARGV; |
108 |
|
} elsif ("$ARGV[0]" =~ /^-t[34]$/) { |
109 |
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$tensortree = substr($ARGV[0], 2, 1); |
110 |
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$ttlog2 = $ARGV[1]; |
111 |
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shift @ARGV; |
112 |
+ |
} elsif ("$ARGV[0]" eq "-f") { |
113 |
+ |
$wrapper .= " -f \"$ARGV[1]\""; |
114 |
+ |
shift @ARGV; |
115 |
+ |
} elsif ("$ARGV[0]" eq "-W") { |
116 |
+ |
$wrapper .= " -W"; |
117 |
|
} elsif ("$ARGV[0]" eq "-c") { |
118 |
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$nsamp = $ARGV[1]; |
119 |
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shift @ARGV; |
133 |
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} |
134 |
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# Check that we're actually being asked to do something |
135 |
|
die "Must have at least one of +forward or +backward\n" if (!$doforw && !$doback); |
136 |
< |
# Name our own persist file? |
137 |
< |
my $persistfile; |
138 |
< |
if ( $tensortree && $nproc > 1 && "$rtargs" !~ /-PP /) { |
139 |
< |
$persistfile = "$td/pfile.txt"; |
140 |
< |
$rtargs = "-PP $persistfile $rtargs"; |
67 |
< |
} |
136 |
> |
# Issue warning for unhandled reciprocity case |
137 |
> |
print STDERR "Warning: recommend both +forward and +backward with -t3\n" if |
138 |
> |
($tensortree==3 && !($doforw && $doback)); |
139 |
> |
$wrapper .= $tensortree ? " -a t$tensortree" : " -a kf -c"; |
140 |
> |
$wrapper .= " -u $gunit"; |
141 |
|
# Get scene description and dimensions |
69 |
– |
my $radscn = "$td/device.rad"; |
70 |
– |
my $mgfscn = "$td/device.mgf"; |
71 |
– |
my $octree = "$td/device.oct"; |
142 |
|
if ( $mgfin ) { |
143 |
< |
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"; |
143 |
> |
system "mgf2rad @ARGV > $radscn"; |
144 |
|
die "Could not load MGF input\n" if ( $? ); |
75 |
– |
system "mgf2rad $mgfscn > $radscn"; |
145 |
|
} else { |
146 |
|
system "xform -e @ARGV > $radscn"; |
147 |
|
die "Could not load Radiance input\n" if ( $? ); |
79 |
– |
system "rad2mgf $radscn > $mgfscn" if ( $geout ); |
148 |
|
} |
149 |
|
if ($#dim != 5) { |
150 |
|
@dim = split ' ', `getbbox -h $radscn`; |
151 |
|
} |
152 |
|
print STDERR "Warning: Device extends into room\n" if ($dim[5] > 1e-5); |
153 |
< |
# Add receiver surfaces (rectangular) |
154 |
< |
my $fmodnm="receiver_face"; |
87 |
< |
my $bmodnm="receiver_behind"; |
88 |
< |
open(RADSCN, ">> $radscn"); |
89 |
< |
print RADSCN "void glow $fmodnm\n0\n0\n4 1 1 1 0\n\n"; |
90 |
< |
print RADSCN "$fmodnm source f_receiver\n0\n0\n4 0 0 1 180\n"; |
91 |
< |
print RADSCN "void glow $bmodnm\n0\n0\n4 1 1 1 0\n\n"; |
92 |
< |
print RADSCN "$bmodnm source b_receiver\n0\n0\n4 0 0 -1 180\n"; |
93 |
< |
close RADSCN; |
153 |
> |
$wrapper .= ' -f "t=' . ($dim[5] - $dim[4]) . ';w=' . ($dim[1] - $dim[0]) . |
154 |
> |
';h=' . ($dim[3] - $dim[2]) . '"'; |
155 |
|
# Generate octree |
156 |
|
system "oconv -w $radscn > $octree"; |
157 |
|
die "Could not compile scene\n" if ( $? ); |
158 |
< |
# Output XML prologue |
98 |
< |
print |
99 |
< |
'<?xml version="1.0" encoding="UTF-8"?> |
100 |
< |
<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"> |
101 |
< |
<WindowElementType>System</WindowElementType> |
102 |
< |
<Optical> |
103 |
< |
<Layer> |
104 |
< |
<Material> |
105 |
< |
<Name>Name</Name> |
106 |
< |
<Manufacturer>Manufacturer</Manufacturer> |
107 |
< |
'; |
108 |
< |
printf "\t\t<Thickness unit=\"Meter\">%.3f</Thickness>\n", $dim[5] - $dim[4]; |
109 |
< |
printf "\t\t<Width unit=\"Meter\">%.3f</Width>\n", $dim[1] - $dim[0]; |
110 |
< |
printf "\t\t<Height unit=\"Meter\">%.3f</Height>\n", $dim[3] - $dim[2]; |
111 |
< |
print "\t\t<DeviceType>Integral</DeviceType>\n"; |
112 |
< |
# Output MGF description if requested |
158 |
> |
# Add MGF description if requested |
159 |
|
if ( $geout ) { |
160 |
< |
print "\t\t<Geometry format=\"MGF\" unit=\"Meter\">\n"; |
161 |
< |
printf "xf -t %.6f %.6f 0\n", -($dim[0]+$dim[1])/2, -($dim[2]+$dim[3])/2; |
116 |
< |
open(MGFSCN, "< $mgfscn"); |
117 |
< |
while (<MGFSCN>) { print $_; } |
160 |
> |
open(MGFSCN, "> $mgfscn"); |
161 |
> |
printf MGFSCN "xf -t %.6f %.6f 0\n", -($dim[0]+$dim[1])/2, -($dim[2]+$dim[3])/2; |
162 |
|
close MGFSCN; |
163 |
< |
print "xf\n"; |
164 |
< |
print "\t\t</Geometry>\n"; |
163 |
> |
if ( $mgfin ) { |
164 |
> |
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}; |
165 |
> |
} else { |
166 |
> |
system "rad2mgf $radscn >> $mgfscn"; |
167 |
> |
} |
168 |
> |
open(MGFSCN, ">> $mgfscn"); |
169 |
> |
print MGFSCN "xf\n"; |
170 |
> |
close MGFSCN; |
171 |
> |
$wrapper .= " -g $mgfscn"; |
172 |
|
} |
173 |
< |
print " </Material>\n"; |
174 |
< |
# Set up surface sampling |
175 |
< |
my $nx = int(sqrt($nsamp*($dim[1]-$dim[0])/($dim[3]-$dim[2])) + .5); |
125 |
< |
my $ny = int($nsamp/$nx + .5); |
173 |
> |
# Create receiver & sender surfaces (rectangular) |
174 |
> |
my $nx = int(sqrt($nsamp*($dim[1]-$dim[0])/($dim[3]-$dim[2])) + 1); |
175 |
> |
my $ny = int($nsamp/$nx + 1); |
176 |
|
$nsamp = $nx * $ny; |
177 |
|
my $ns = 2**$ttlog2; |
178 |
< |
my (@pdiv, $disk2sq, $sq2disk, $tcal, $kcal); |
178 |
> |
open(RADSCN, "> $receivers"); |
179 |
> |
print RADSCN '#@rfluxmtx ' . ($tensortree ? "h=sc$ns\n" : "h=kf\n"); |
180 |
> |
print RADSCN '#@rfluxmtx ' . "u=Y o=$facedat\n\n"; |
181 |
> |
print RADSCN "void glow receiver_face\n0\n0\n4 1 1 1 0\n\n"; |
182 |
> |
print RADSCN "receiver_face source f_receiver\n0\n0\n4 0 0 1 180\n\n"; |
183 |
> |
print RADSCN '#@rfluxmtx ' . "u=Y o=$behinddat\n\n"; |
184 |
> |
print RADSCN "void glow receiver_behind\n0\n0\n4 1 1 1 0\n\n"; |
185 |
> |
print RADSCN "receiver_behind source b_receiver\n0\n0\n4 0 0 -1 180\n"; |
186 |
> |
close RADSCN; |
187 |
> |
# Finish rfluxmtx command and prepare sender surfaces |
188 |
> |
$rfluxmtx .= " -n $nproc -c $nsamp"; |
189 |
> |
if ( $tensortree != 3 ) { # Isotropic tensor tree is exception |
190 |
> |
open (RADSCN, "> $fsender"); |
191 |
> |
print RADSCN '#@rfluxmtx u=Y ' . ($tensortree ? "h=sc$ns\n\n" : "h=kf\n\n"); |
192 |
> |
print RADSCN "void polygon fwd_sender\n0\n0\n12\n"; |
193 |
> |
printf RADSCN "\t%f\t%f\t%f\n", $dim[0], $dim[2], $dim[4]; |
194 |
> |
printf RADSCN "\t%f\t%f\t%f\n", $dim[0], $dim[3], $dim[4]; |
195 |
> |
printf RADSCN "\t%f\t%f\t%f\n", $dim[1], $dim[3], $dim[4]; |
196 |
> |
printf RADSCN "\t%f\t%f\t%f\n", $dim[1], $dim[2], $dim[4]; |
197 |
> |
close RADSCN; |
198 |
> |
open (RADSCN, "> $bsender"); |
199 |
> |
print RADSCN '#@rfluxmtx u=Y ' . ($tensortree ? "h=sc$ns\n\n" : "h=kf\n\n"); |
200 |
> |
print RADSCN "void polygon fwd_sender\n0\n0\n12\n"; |
201 |
> |
printf RADSCN "\t%f\t%f\t%f\n", $dim[0], $dim[2], $dim[5]; |
202 |
> |
printf RADSCN "\t%f\t%f\t%f\n", $dim[1], $dim[2], $dim[5]; |
203 |
> |
printf RADSCN "\t%f\t%f\t%f\n", $dim[1], $dim[3], $dim[5]; |
204 |
> |
printf RADSCN "\t%f\t%f\t%f\n", $dim[0], $dim[3], $dim[5]; |
205 |
> |
close RADSCN; |
206 |
> |
} |
207 |
|
# Create data segments (all the work happens here) |
208 |
|
if ( $tensortree ) { |
209 |
|
do_tree_bsdf(); |
210 |
|
} else { |
211 |
|
do_matrix_bsdf(); |
212 |
|
} |
213 |
< |
# Output XML epilogue |
214 |
< |
print |
215 |
< |
'</Layer> |
216 |
< |
</Optical> |
217 |
< |
</WindowElement> |
218 |
< |
'; |
213 |
> |
# Output XML |
214 |
> |
my $old_fh = select(STDOUT); |
215 |
> |
$| = 1; |
216 |
> |
select($old_fh); |
217 |
> |
print "<!-- Created by: genBSDF @savedARGV -->\n"; |
218 |
> |
# print STDERR "Running: $wrapper\n"; |
219 |
> |
system $wrapper; |
220 |
> |
die "Could not wrap BSDF data\n" if ( $? ); |
221 |
|
# Clean up temporary files and exit |
222 |
< |
if ( $persistfile && open(PFI, "< $persistfile") ) { |
143 |
< |
while (<PFI>) { |
144 |
< |
s/^[^ ]* //; |
145 |
< |
kill('ALRM', $_); |
146 |
< |
last; |
147 |
< |
} |
148 |
< |
close PFI; |
149 |
< |
} |
150 |
< |
exec("rm -rf $td"); |
222 |
> |
system $rmtmp; |
223 |
|
|
224 |
|
#-------------- End of main program segment --------------# |
225 |
|
|
226 |
|
#++++++++++++++ Tensor tree BSDF generation ++++++++++++++# |
227 |
|
sub do_tree_bsdf { |
228 |
< |
# Get sampling rate and subdivide task |
229 |
< |
my $ns2 = $ns; |
230 |
< |
$ns2 /= 2 if ( $tensortree == 3 ); |
231 |
< |
@pdiv = (0, int($ns2/$nproc)); |
232 |
< |
my $nrem = $ns2 % $nproc; |
161 |
< |
for (my $i = 1; $i < $nproc; $i++) { |
162 |
< |
my $nv = $pdiv[$i] + $pdiv[1]; |
163 |
< |
++$nv if ( $nrem-- > 0 ); |
164 |
< |
push @pdiv, $nv; |
165 |
< |
} |
166 |
< |
die "Script error 1" if ($pdiv[-1] != $ns2); |
167 |
< |
# Shirley-Chiu mapping from unit square to disk |
168 |
< |
$sq2disk = ' |
169 |
< |
in_square_a = 2*in_square_x - 1; |
170 |
< |
in_square_b = 2*in_square_y - 1; |
171 |
< |
in_square_rgn = if(in_square_a + in_square_b, |
172 |
< |
if(in_square_a - in_square_b, 1, 2), |
173 |
< |
if(in_square_b - in_square_a, 3, 4)); |
174 |
< |
out_disk_r = .999995*select(in_square_rgn, in_square_a, in_square_b, |
175 |
< |
-in_square_a, -in_square_b); |
176 |
< |
out_disk_phi = PI/4 * select(in_square_rgn, |
177 |
< |
in_square_b/in_square_a, |
178 |
< |
2 - in_square_a/in_square_b, |
179 |
< |
4 + in_square_b/in_square_a, |
180 |
< |
if(in_square_b*in_square_b, |
181 |
< |
6 - in_square_a/in_square_b, 0)); |
182 |
< |
Dx = out_disk_r*cos(out_disk_phi); |
183 |
< |
Dy = out_disk_r*sin(out_disk_phi); |
184 |
< |
Dz = sqrt(1 - out_disk_r*out_disk_r); |
185 |
< |
'; |
186 |
< |
# Shirley-Chiu mapping from unit disk to square |
187 |
< |
$disk2sq = ' |
188 |
< |
norm_radians(p) : if(-p - PI/4, p + 2*PI, p); |
189 |
< |
in_disk_r = .999995*sqrt(Dx*Dx + Dy*Dy); |
190 |
< |
in_disk_phi = norm_radians(atan2(Dy, Dx)); |
191 |
< |
in_disk_rgn = floor((in_disk_phi + PI/4)/(PI/2)) + 1; |
192 |
< |
out_square_a = select(in_disk_rgn, |
193 |
< |
in_disk_r, |
194 |
< |
(PI/2 - in_disk_phi)*in_disk_r/(PI/4), |
195 |
< |
-in_disk_r, |
196 |
< |
(in_disk_phi - 3*PI/2)*in_disk_r/(PI/4)); |
197 |
< |
out_square_b = select(in_disk_rgn, |
198 |
< |
in_disk_phi*in_disk_r/(PI/4), |
199 |
< |
in_disk_r, |
200 |
< |
(PI - in_disk_phi)*in_disk_r/(PI/4), |
201 |
< |
-in_disk_r); |
202 |
< |
out_square_x = (out_square_a + 1)/2; |
203 |
< |
out_square_y = (out_square_b + 1)/2; |
204 |
< |
'; |
205 |
< |
# Announce ourselves in XML output |
206 |
< |
print "\t<DataDefinition>\n"; |
207 |
< |
print "\t\t<IncidentDataStructure>TensorTree$tensortree</IncidentDataStructure>\n"; |
208 |
< |
print "\t</DataDefinition>\n"; |
209 |
< |
# Fork parallel rtcontrib processes to compute each side |
210 |
< |
if ( $doback ) { |
211 |
< |
for (my $proc = 0; $proc < $nproc; $proc++) { |
212 |
< |
bg_tree_rtcontrib(0, $proc); |
213 |
< |
} |
214 |
< |
while (wait() >= 0) { |
215 |
< |
die "rtcontrib process reported error" if ( $? ); |
216 |
< |
} |
217 |
< |
ttree_out(0); |
218 |
< |
} |
219 |
< |
if ( $doforw ) { |
220 |
< |
for (my $proc = 0; $proc < $nproc; $proc++) { |
221 |
< |
bg_tree_rtcontrib(1, $proc); |
222 |
< |
} |
223 |
< |
while (wait() >= 0) { |
224 |
< |
die "rtcontrib process reported error" if ( $? ); |
225 |
< |
} |
226 |
< |
ttree_out(1); |
227 |
< |
} |
228 |
> |
|
229 |
> |
# Run rfluxmtx processes to compute each side |
230 |
> |
do_ttree_dir(0) if ( $doback ); |
231 |
> |
do_ttree_dir(1) if ( $doforw ); |
232 |
> |
|
233 |
|
} # end of sub do_tree_bsdf() |
234 |
|
|
235 |
< |
# Run i'th rtcontrib process for generating tensor tree samples |
236 |
< |
sub bg_tree_rtcontrib { |
232 |
< |
my $pid = fork(); |
233 |
< |
die "Cannot fork new process" unless defined $pid; |
234 |
< |
if ($pid > 0) { return $pid; } |
235 |
> |
# Call rfluxmtx and process tensor tree BSDF for the given direction |
236 |
> |
sub do_ttree_dir { |
237 |
|
my $forw = shift; |
238 |
< |
my $pn = shift; |
237 |
< |
my $pbeg = $pdiv[$pn]; |
238 |
< |
my $plen = $pdiv[$pn+1] - $pbeg; |
239 |
< |
my $matargs = "-m $bmodnm"; |
240 |
< |
if ( !$forw || !$doback ) { $matargs .= " -m $fmodnm"; } |
241 |
< |
my $cmd = "rtcontrib $rtargs -h -ff -fo -c $nsamp " . |
242 |
< |
"-e '$disk2sq' -bn '$ns*$ns' " . |
243 |
< |
"-b '$ns*floor(out_square_x*$ns)+floor(out_square_y*$ns)' " . |
244 |
< |
"-o $td/%s_" . sprintf("%03d", $pn) . ".flt $matargs $octree"; |
238 |
> |
my $cmd; |
239 |
|
if ( $tensortree == 3 ) { |
240 |
|
# Isotropic BSDF |
241 |
< |
$cmd = "cnt $plen $ny $nx " . |
242 |
< |
"| rcalc -e 'r1=rand(($pn+.8681)*recno-.673892)' " . |
243 |
< |
"-e 'r2=rand(($pn-5.37138)*recno+67.1737811)' " . |
244 |
< |
"-e 'r3=rand(($pn+3.17603772)*recno+83.766771)' " . |
245 |
< |
"-e 'Dx=1-($pbeg+\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)' " . |
246 |
< |
"-e 'xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . |
247 |
< |
"-e 'yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . |
248 |
< |
"-e 'zp=$dim[5-$forw]' -e 'myDz=Dz*($forw*2-1)' " . |
249 |
< |
"-e '\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz' " . |
250 |
< |
"-e '\$4=Dx;\$5=Dy;\$6=myDz' -of " . |
251 |
< |
"| $cmd"; |
241 |
> |
my $ns2 = $ns / 2; |
242 |
> |
if ($windoz) { |
243 |
> |
$cmd = "cnt $ns2 $ny $nx " . |
244 |
> |
qq{| rcalc -e "r1=rand(.8681*recno-.673892)" } . |
245 |
> |
qq{-e "r2=rand(-5.37138*recno+67.1737811)" } . |
246 |
> |
qq{-e "r3=rand(+3.17603772*recno+83.766771)" } . |
247 |
> |
qq{-e "Dx=1-2*(\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)" } . |
248 |
> |
qq{-e "xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]" } . |
249 |
> |
qq{-e "yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]" } . |
250 |
> |
qq{-e "zp=$dim[5-$forw]" -e "myDz=Dz*($forw*2-1)" } . |
251 |
> |
qq{-e "\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz" } . |
252 |
> |
qq{-e "\$4=Dx;\$5=Dy;\$6=myDz" } . |
253 |
> |
"| $rfluxmtx -fa -y $ns2 - $receivers -i $octree"; |
254 |
> |
} else { |
255 |
> |
$cmd = "cnt $ns2 $ny $nx " . |
256 |
> |
qq{| rcalc -e "r1=rand(.8681*recno-.673892)" } . |
257 |
> |
qq{-e "r2=rand(-5.37138*recno+67.1737811)" } . |
258 |
> |
qq{-e "r3=rand(+3.17603772*recno+83.766771)" } . |
259 |
> |
qq{-e "Dx=1-2*(\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)" } . |
260 |
> |
qq{-e "xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]" } . |
261 |
> |
qq{-e "yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]" } . |
262 |
> |
qq{-e "zp=$dim[5-$forw]" -e "myDz=Dz*($forw*2-1)" } . |
263 |
> |
qq{-e '\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz' } . |
264 |
> |
qq{-e '\$4=Dx;\$5=Dy;\$6=myDz' -of } . |
265 |
> |
"| $rfluxmtx -h -ff -y $ns2 - $receivers -i $octree"; |
266 |
> |
} |
267 |
|
} else { |
268 |
|
# Anisotropic BSDF |
269 |
< |
# Sample area vertically to improve load balance, since |
270 |
< |
# shading systems usually have bilateral symmetry (L-R) |
271 |
< |
$cmd = "cnt $plen $ns $ny $nx " . |
272 |
< |
"| rcalc -e 'r1=rand(($pn+.8681)*recno-.673892)' " . |
273 |
< |
"-e 'r2=rand(($pn-5.37138)*recno+67.1737811)' " . |
274 |
< |
"-e 'r3=rand(($pn+3.17603772)*recno+83.766771)' " . |
266 |
< |
"-e 'r4=rand(($pn-2.3857833)*recno-964.72738)' " . |
267 |
< |
"-e 'in_square_x=($pbeg+\$1+r1)/$ns' " . |
268 |
< |
"-e 'in_square_y=(\$2+r2)/$ns' -e '$sq2disk' " . |
269 |
< |
"-e 'xp=(\$4+r3)*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . |
270 |
< |
"-e 'yp=(\$3+r4)*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . |
271 |
< |
"-e 'zp=$dim[5-$forw]' -e 'myDz=Dz*($forw*2-1)' " . |
272 |
< |
"-e '\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz' " . |
273 |
< |
"-e '\$4=Dx;\$5=Dy;\$6=myDz' -of " . |
274 |
< |
"| $cmd"; |
269 |
> |
my $sender = ($bsender,$fsender)[$forw]; |
270 |
> |
if ($windoz) { |
271 |
> |
$cmd = "$rfluxmtx -fa $sender $receivers -i $octree"; |
272 |
> |
} else { |
273 |
> |
$cmd = "$rfluxmtx -h -ff $sender $receivers -i $octree"; |
274 |
> |
} |
275 |
|
} |
276 |
< |
# print STDERR "Starting: $cmd\n"; |
277 |
< |
exec($cmd); # no return; status report to parent via wait |
278 |
< |
die "Cannot exec: $cmd\n"; |
279 |
< |
} # end of bg_tree_rtcontrib() |
276 |
> |
# print STDERR "Starting: $cmd\n"; |
277 |
> |
system $cmd; |
278 |
> |
die "Failure running rfluxmtx" if ( $? ); |
279 |
> |
ttree_out($forw); |
280 |
> |
} # end of do_ttree_dir() |
281 |
|
|
282 |
< |
# Simplify and output tensor tree results |
282 |
> |
# Simplify and store tensor tree results |
283 |
|
sub ttree_out { |
284 |
|
my $forw = shift; |
285 |
< |
my $side = ("Back","Front")[$forw]; |
286 |
< |
# Only output one transmitted distribution, preferring backwards |
287 |
< |
if ( !$forw || !$doback ) { |
288 |
< |
print |
289 |
< |
' <WavelengthData> |
290 |
< |
<LayerNumber>System</LayerNumber> |
291 |
< |
<Wavelength unit="Integral">Visible</Wavelength> |
292 |
< |
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
293 |
< |
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
294 |
< |
<WavelengthDataBlock> |
295 |
< |
<WavelengthDataDirection>Transmission</WavelengthDataDirection> |
296 |
< |
<AngleBasis>LBNL/Shirley-Chiu</AngleBasis> |
297 |
< |
<ScatteringDataType>BTDF</ScatteringDataType> |
298 |
< |
<ScatteringData> |
299 |
< |
'; |
300 |
< |
system "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
301 |
< |
q{-e '$1=(0.265*$1+0.670*$2+0.065*$3)/Omega' -of } . |
302 |
< |
"$td/" . ($bmodnm,$fmodnm)[$forw] . "_???.flt " . |
303 |
< |
"| rttree_reduce -h -ff -r $tensortree -g $ttlog2"; |
304 |
< |
die "Failure running rttree_reduce" if ( $? ); |
305 |
< |
print |
306 |
< |
' </ScatteringData> |
307 |
< |
</WavelengthDataBlock> |
308 |
< |
</WavelengthData> |
308 |
< |
'; |
309 |
< |
} |
310 |
< |
# Output reflection |
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 |
< |
<WavelengthDataDirection>Reflection $side</WavelengthDataDirection> |
319 |
< |
<AngleBasis>LBNL/Shirley-Chiu</AngleBasis> |
320 |
< |
<ScatteringDataType>BRDF</ScatteringDataType> |
321 |
< |
<ScatteringData> |
322 |
< |
'; |
323 |
< |
system "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
324 |
< |
q{-e '$1=(0.265*$1+0.670*$2+0.065*$3)/Omega' -of } . |
325 |
< |
"$td/" . ($fmodnm,$bmodnm)[$forw] . "_???.flt " . |
326 |
< |
"| rttree_reduce -h -ff -r $tensortree -g $ttlog2"; |
327 |
< |
die "Failure running rttree_reduce" if ( $? ); |
328 |
< |
print |
329 |
< |
' </ScatteringData> |
330 |
< |
</WavelengthDataBlock> |
331 |
< |
</WavelengthData> |
332 |
< |
'; |
285 |
> |
my ($refldat,$transdat); |
286 |
> |
if ( $forw ) { |
287 |
> |
$transdat = $facedat; |
288 |
> |
$refldat = $behinddat; |
289 |
> |
} else { |
290 |
> |
$transdat = $behinddat; |
291 |
> |
$refldat = $facedat; |
292 |
> |
} |
293 |
> |
# Only output one transmitted anisotropic distribution, preferring backwards |
294 |
> |
if ( !$forw || !$doback || $tensortree==3 ) { |
295 |
> |
my $ttyp = ("tb","tf")[$forw]; |
296 |
> |
ttree_comp($ttyp, "Visible", $transdat, ($tb,$tf)[$forw]); |
297 |
> |
if ( $docolor ) { |
298 |
> |
ttree_comp($ttyp, "CIE-X", $transdat, ($tbx,$tfx)[$forw]); |
299 |
> |
ttree_comp($ttyp, "CIE-Z", $transdat, ($tbz,$tfz)[$forw]); |
300 |
> |
} |
301 |
> |
} |
302 |
> |
# Output reflection |
303 |
> |
my $rtyp = ("rb","rf")[$forw]; |
304 |
> |
ttree_comp($rtyp, "Visible", $refldat, ($rb,$rf)[$forw]); |
305 |
> |
if ( $docolor ) { |
306 |
> |
ttree_comp($rtyp, "CIE-X", $refldat, ($rbx,$rfx)[$forw]); |
307 |
> |
ttree_comp($rtyp, "CIE-Z", $refldat, ($rbz,$rfz)[$forw]); |
308 |
> |
} |
309 |
|
} # end of ttree_out() |
310 |
|
|
311 |
+ |
# Call rttree_reduce on the given component |
312 |
+ |
sub ttree_comp { |
313 |
+ |
my $typ = shift; |
314 |
+ |
my $spec = shift; |
315 |
+ |
my $src = shift; |
316 |
+ |
my $dest = shift; |
317 |
+ |
my $cmd; |
318 |
+ |
if ($windoz) { |
319 |
+ |
if ("$spec" eq "Visible") { |
320 |
+ |
$cmd = qq{rcalc -e "Omega:PI/($ns*$ns)" } . |
321 |
+ |
q{-e "$1=(0.265*$1+0.670*$2+0.065*$3)/Omega"}; |
322 |
+ |
} elsif ("$spec" eq "CIE-X") { |
323 |
+ |
$cmd = qq{rcalc -e "Omega:PI/($ns*$ns)" } . |
324 |
+ |
q{-e "$1=(0.514*$1+0.324*$2+0.162*$3)/Omega"}; |
325 |
+ |
} elsif ("$spec" eq "CIE-Z") { |
326 |
+ |
$cmd = qq{rcalc -e "Omega:PI/($ns*$ns)" } . |
327 |
+ |
q{-e "$1=(0.024*$1+0.123*$2+0.853*$3)/Omega"}; |
328 |
+ |
} |
329 |
+ |
} else { |
330 |
+ |
if ("$spec" eq "Visible") { |
331 |
+ |
$cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
332 |
+ |
q{-e '$1=(0.265*$1+0.670*$2+0.065*$3)/Omega'}; |
333 |
+ |
} elsif ("$spec" eq "CIE-X") { |
334 |
+ |
$cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
335 |
+ |
q{-e '$1=(0.514*$1+0.324*$2+0.162*$3)/Omega'}; |
336 |
+ |
} elsif ("$spec" eq "CIE-Z") { |
337 |
+ |
$cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
338 |
+ |
q{-e '$1=(0.024*$1+0.123*$2+0.853*$3)/Omega'}; |
339 |
+ |
} |
340 |
+ |
} |
341 |
+ |
if ($pctcull >= 0) { |
342 |
+ |
my $avg = ( "$typ" =~ /^r[fb]/ ) ? " -a" : ""; |
343 |
+ |
if ($windoz) { |
344 |
+ |
$cmd = "rcollate -ho -oc 1 $src | " . |
345 |
+ |
$cmd . |
346 |
+ |
" | rttree_reduce$avg -h -fa -t $pctcull -r $tensortree -g $ttlog2"; |
347 |
+ |
} else { |
348 |
+ |
$cmd .= " -of $src " . |
349 |
+ |
"| rttree_reduce$avg -h -ff -t $pctcull -r $tensortree -g $ttlog2"; |
350 |
+ |
} |
351 |
+ |
# print STDERR "Running: $cmd\n"; |
352 |
+ |
system "$cmd > $dest"; |
353 |
+ |
die "Failure running rttree_reduce" if ( $? ); |
354 |
+ |
} else { |
355 |
+ |
if ($windoz) { |
356 |
+ |
$cmd = "rcollate -ho -oc 1 $src | " . $cmd ; |
357 |
+ |
} else { |
358 |
+ |
$cmd .= " $src"; |
359 |
+ |
} |
360 |
+ |
open(DATOUT, "> $dest"); |
361 |
+ |
print DATOUT "{\n"; |
362 |
+ |
close DATOUT; |
363 |
+ |
# print STDERR "Running: $cmd\n"; |
364 |
+ |
system "$cmd >> $dest"; |
365 |
+ |
die "Failure running rcalc" if ( $? ); |
366 |
+ |
open(DATOUT, ">> $dest"); |
367 |
+ |
for (my $i = ($tensortree==3)*$ns*$ns*$ns/2; $i-- > 0; ) { |
368 |
+ |
print DATOUT "0\n"; |
369 |
+ |
} |
370 |
+ |
print DATOUT "}\n"; |
371 |
+ |
close DATOUT; |
372 |
+ |
} |
373 |
+ |
if ( "$spec" ne "$curspec" ) { |
374 |
+ |
$wrapper .= " -s $spec"; |
375 |
+ |
$curspec = $spec; |
376 |
+ |
} |
377 |
+ |
$wrapper .= " -$typ $dest"; |
378 |
+ |
} # end of ttree_comp() |
379 |
+ |
|
380 |
|
#------------- End of do_tree_bsdf() & subroutines -------------# |
381 |
|
|
382 |
|
#+++++++++++++++ Klems matrix BSDF generation +++++++++++++++# |
383 |
|
sub do_matrix_bsdf { |
384 |
< |
# Set up sampling of portal |
385 |
< |
# Kbin to produce incident direction in full Klems basis with (x1,x2) randoms |
386 |
< |
$tcal = ' |
387 |
< |
DEGREE : PI/180; |
388 |
< |
sq(x) : x*x; |
389 |
< |
Kpola(r) : select(r+1, -5, 5, 15, 25, 35, 45, 55, 65, 75, 90); |
390 |
< |
Knaz(r) : select(r, 1, 8, 16, 20, 24, 24, 24, 16, 12); |
391 |
< |
Kaccum(r) : if(r-.5, Knaz(r) + Kaccum(r-1), 0); |
392 |
< |
Kmax : Kaccum(Knaz(0)); |
393 |
< |
Kfindrow(r, rem) : if(rem-Knaz(r)+.5, Kfindrow(r+1, rem-Knaz(r)), r); |
394 |
< |
Krow = if(Kbin-(Kmax-.5), 0, Kfindrow(1, Kbin)); |
395 |
< |
Kcol = Kbin - Kaccum(Krow-1); |
396 |
< |
Kazi = 360*DEGREE * (Kcol + (.5 - x2)) / Knaz(Krow); |
397 |
< |
Kpol = DEGREE * (x1*Kpola(Krow) + (1-x1)*Kpola(Krow-1)); |
398 |
< |
sin_kpol = sin(Kpol); |
399 |
< |
Dx = cos(Kazi)*sin_kpol; |
400 |
< |
Dy = sin(Kazi)*sin_kpol; |
401 |
< |
Dz = sqrt(1 - sin_kpol*sin_kpol); |
402 |
< |
KprojOmega = PI * if(Kbin-.5, |
403 |
< |
(sq(cos(Kpola(Krow-1)*DEGREE)) - sq(cos(Kpola(Krow)*DEGREE)))/Knaz(Krow), |
404 |
< |
1 - sq(cos(Kpola(1)*DEGREE))); |
405 |
< |
'; |
406 |
< |
# Compute Klems bin from exiting ray direction (forward or backward) |
407 |
< |
$kcal = ' |
408 |
< |
DEGREE : PI/180; |
409 |
< |
abs(x) : if(x, x, -x); |
410 |
< |
Acos(x) : 1/DEGREE * if(x-1, 0, if(-1-x, 0, acos(x))); |
411 |
< |
posangle(a) : if(-a, a + 2*PI, a); |
367 |
< |
Atan2(y,x) : 1/DEGREE * posangle(atan2(y,x)); |
368 |
< |
kpola(r) : select(r, 5, 15, 25, 35, 45, 55, 65, 75, 90); |
369 |
< |
knaz(r) : select(r, 1, 8, 16, 20, 24, 24, 24, 16, 12); |
370 |
< |
kaccum(r) : if(r-.5, knaz(r) + kaccum(r-1), 0); |
371 |
< |
kfindrow(r, pol) : if(r-kpola(0)+.5, r, |
372 |
< |
if(pol-kpola(r), kfindrow(r+1, pol), r) ); |
373 |
< |
kazn(azi,inc) : if((360-.5*inc)-azi, floor((azi+.5*inc)/inc), 0); |
374 |
< |
kbin2(pol,azi) = select(kfindrow(1, pol), |
375 |
< |
kazn(azi,360/knaz(1)), |
376 |
< |
kaccum(1) + kazn(azi,360/knaz(2)), |
377 |
< |
kaccum(2) + kazn(azi,360/knaz(3)), |
378 |
< |
kaccum(3) + kazn(azi,360/knaz(4)), |
379 |
< |
kaccum(4) + kazn(azi,360/knaz(5)), |
380 |
< |
kaccum(5) + kazn(azi,360/knaz(6)), |
381 |
< |
kaccum(6) + kazn(azi,360/knaz(7)), |
382 |
< |
kaccum(7) + kazn(azi,360/knaz(8)), |
383 |
< |
kaccum(8) + kazn(azi,360/knaz(9)) |
384 |
< |
); |
385 |
< |
kbin = kbin2(Acos(abs(Dz)),Atan2(Dy,Dx)); |
386 |
< |
'; |
387 |
< |
my $ndiv = 145; |
388 |
< |
# Compute scattering data using rtcontrib |
389 |
< |
my @tfarr; |
390 |
< |
my @rfarr; |
391 |
< |
my @tbarr; |
392 |
< |
my @rbarr; |
393 |
< |
my $cmd; |
394 |
< |
my $rtcmd = "rtcontrib $rtargs -h -ff -fo -n $nproc -c $nsamp " . |
395 |
< |
"-e '$kcal' -b kbin -bn $ndiv " . |
396 |
< |
"-o '$td/%s.flt' -m $fmodnm -m $bmodnm $octree"; |
397 |
< |
my $rccmd = "rcalc -e '$tcal' " . |
398 |
< |
"-e 'mod(n,d):n-floor(n/d)*d' -e 'Kbin=mod(recno-.999,$ndiv)' " . |
399 |
< |
q{-if3 -e '$1=(0.265*$1+0.670*$2+0.065*$3)/KprojOmega'}; |
400 |
< |
if ( $doforw ) { |
401 |
< |
$cmd = "cnt $ndiv $ny $nx | rcalc -of -e '$tcal' " . |
402 |
< |
"-e 'xp=(\$3+rand(.12*recno+288))*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . |
403 |
< |
"-e 'yp=(\$2+rand(.37*recno-44))*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . |
404 |
< |
"-e 'zp:$dim[4]' " . |
405 |
< |
q{-e 'Kbin=$1;x1=rand(2.75*recno+3.1);x2=rand(-2.01*recno-3.37)' } . |
406 |
< |
q{-e '$1=xp-Dx;$2=yp-Dy;$3=zp-Dz;$4=Dx;$5=Dy;$6=Dz' } . |
407 |
< |
"| $rtcmd"; |
408 |
< |
system "$cmd" || die "Failure running: $cmd\n"; |
409 |
< |
@tfarr = `$rccmd $td/$fmodnm.flt`; |
410 |
< |
die "Failure running: $rccmd $td/$fmodnm.flt\n" if ( $? ); |
411 |
< |
@rfarr = `$rccmd $td/$bmodnm.flt`; |
412 |
< |
die "Failure running: $rccmd $td/$bmodnm.flt\n" if ( $? ); |
413 |
< |
} |
414 |
< |
if ( $doback ) { |
415 |
< |
$cmd = "cnt $ndiv $ny $nx | rcalc -of -e '$tcal' " . |
416 |
< |
"-e 'xp=(\$3+rand(.35*recno-15))*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . |
417 |
< |
"-e 'yp=(\$2+rand(.86*recno+11))*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . |
418 |
< |
"-e 'zp:$dim[5]' " . |
419 |
< |
q{-e 'Kbin=$1;x1=rand(1.21*recno+2.75);x2=rand(-3.55*recno-7.57)' } . |
420 |
< |
q{-e '$1=xp-Dx;$2=yp-Dy;$3=zp+Dz;$4=Dx;$5=Dy;$6=-Dz' } . |
421 |
< |
"| $rtcmd"; |
422 |
< |
system "$cmd" || die "Failure running: $cmd\n"; |
423 |
< |
@tbarr = `$rccmd $td/$bmodnm.flt`; |
424 |
< |
die "Failure running: $rccmd $td/$bmodnm.flt\n" if ( $? ); |
425 |
< |
@rbarr = `$rccmd $td/$fmodnm.flt`; |
426 |
< |
die "Failure running: $rccmd $td/$fmodnm.flt\n" if ( $? ); |
427 |
< |
} |
428 |
< |
# Output angle basis |
429 |
< |
print |
430 |
< |
' <DataDefinition> |
431 |
< |
<IncidentDataStructure>Columns</IncidentDataStructure> |
432 |
< |
<AngleBasis> |
433 |
< |
<AngleBasisName>LBNL/Klems Full</AngleBasisName> |
434 |
< |
<AngleBasisBlock> |
435 |
< |
<Theta>0</Theta> |
436 |
< |
<nPhis>1</nPhis> |
437 |
< |
<ThetaBounds> |
438 |
< |
<LowerTheta>0</LowerTheta> |
439 |
< |
<UpperTheta>5</UpperTheta> |
440 |
< |
</ThetaBounds> |
441 |
< |
</AngleBasisBlock> |
442 |
< |
<AngleBasisBlock> |
443 |
< |
<Theta>10</Theta> |
444 |
< |
<nPhis>8</nPhis> |
445 |
< |
<ThetaBounds> |
446 |
< |
<LowerTheta>5</LowerTheta> |
447 |
< |
<UpperTheta>15</UpperTheta> |
448 |
< |
</ThetaBounds> |
449 |
< |
</AngleBasisBlock> |
450 |
< |
<AngleBasisBlock> |
451 |
< |
<Theta>20</Theta> |
452 |
< |
<nPhis>16</nPhis> |
453 |
< |
<ThetaBounds> |
454 |
< |
<LowerTheta>15</LowerTheta> |
455 |
< |
<UpperTheta>25</UpperTheta> |
456 |
< |
</ThetaBounds> |
457 |
< |
</AngleBasisBlock> |
458 |
< |
<AngleBasisBlock> |
459 |
< |
<Theta>30</Theta> |
460 |
< |
<nPhis>20</nPhis> |
461 |
< |
<ThetaBounds> |
462 |
< |
<LowerTheta>25</LowerTheta> |
463 |
< |
<UpperTheta>35</UpperTheta> |
464 |
< |
</ThetaBounds> |
465 |
< |
</AngleBasisBlock> |
466 |
< |
<AngleBasisBlock> |
467 |
< |
<Theta>40</Theta> |
468 |
< |
<nPhis>24</nPhis> |
469 |
< |
<ThetaBounds> |
470 |
< |
<LowerTheta>35</LowerTheta> |
471 |
< |
<UpperTheta>45</UpperTheta> |
472 |
< |
</ThetaBounds> |
473 |
< |
</AngleBasisBlock> |
474 |
< |
<AngleBasisBlock> |
475 |
< |
<Theta>50</Theta> |
476 |
< |
<nPhis>24</nPhis> |
477 |
< |
<ThetaBounds> |
478 |
< |
<LowerTheta>45</LowerTheta> |
479 |
< |
<UpperTheta>55</UpperTheta> |
480 |
< |
</ThetaBounds> |
481 |
< |
</AngleBasisBlock> |
482 |
< |
<AngleBasisBlock> |
483 |
< |
<Theta>60</Theta> |
484 |
< |
<nPhis>24</nPhis> |
485 |
< |
<ThetaBounds> |
486 |
< |
<LowerTheta>55</LowerTheta> |
487 |
< |
<UpperTheta>65</UpperTheta> |
488 |
< |
</ThetaBounds> |
489 |
< |
</AngleBasisBlock> |
490 |
< |
<AngleBasisBlock> |
491 |
< |
<Theta>70</Theta> |
492 |
< |
<nPhis>16</nPhis> |
493 |
< |
<ThetaBounds> |
494 |
< |
<LowerTheta>65</LowerTheta> |
495 |
< |
<UpperTheta>75</UpperTheta> |
496 |
< |
</ThetaBounds> |
497 |
< |
</AngleBasisBlock> |
498 |
< |
<AngleBasisBlock> |
499 |
< |
<Theta>82.5</Theta> |
500 |
< |
<nPhis>12</nPhis> |
501 |
< |
<ThetaBounds> |
502 |
< |
<LowerTheta>75</LowerTheta> |
503 |
< |
<UpperTheta>90</UpperTheta> |
504 |
< |
</ThetaBounds> |
505 |
< |
</AngleBasisBlock> |
506 |
< |
</AngleBasis> |
507 |
< |
</DataDefinition> |
508 |
< |
'; |
509 |
< |
if ( $doforw ) { |
510 |
< |
print |
511 |
< |
' <WavelengthData> |
512 |
< |
<LayerNumber>System</LayerNumber> |
513 |
< |
<Wavelength unit="Integral">Visible</Wavelength> |
514 |
< |
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
515 |
< |
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
516 |
< |
<WavelengthDataBlock> |
517 |
< |
<WavelengthDataDirection>Transmission Front</WavelengthDataDirection> |
518 |
< |
<ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> |
519 |
< |
<RowAngleBasis>LBNL/Klems Full</RowAngleBasis> |
520 |
< |
<ScatteringDataType>BTDF</ScatteringDataType> |
521 |
< |
<ScatteringData> |
522 |
< |
'; |
523 |
< |
# Output front transmission (transposed order) |
524 |
< |
for (my $od = 0; $od < $ndiv; $od++) { |
525 |
< |
for (my $id = 0; $id < $ndiv; $id++) { |
526 |
< |
print $tfarr[$ndiv*$id + $od]; |
384 |
> |
|
385 |
> |
# Run rfluxmtx processes to compute each side |
386 |
> |
do_matrix_dir(0) if ( $doback ); |
387 |
> |
do_matrix_dir(1) if ( $doforw ); |
388 |
> |
|
389 |
> |
} # end of sub do_matrix_bsdf() |
390 |
> |
|
391 |
> |
# Call rfluxmtx and process tensor tree BSDF for the given direction |
392 |
> |
sub do_matrix_dir { |
393 |
> |
my $forw = shift; |
394 |
> |
my $cmd; |
395 |
> |
my $sender = ($bsender,$fsender)[$forw]; |
396 |
> |
$cmd = "$rfluxmtx -fd $sender $receivers -i $octree"; |
397 |
> |
# print STDERR "Starting: $cmd\n"; |
398 |
> |
system $cmd; |
399 |
> |
die "Failure running rfluxmtx" if ( $? ); |
400 |
> |
matrix_out($forw); |
401 |
> |
} # end of do_matrix_dir() |
402 |
> |
|
403 |
> |
sub matrix_out { |
404 |
> |
my $forw = shift; |
405 |
> |
my ($refldat,$transdat); |
406 |
> |
if ( $forw ) { |
407 |
> |
$transdat = $facedat; |
408 |
> |
$refldat = $behinddat; |
409 |
> |
} else { |
410 |
> |
$transdat = $behinddat; |
411 |
> |
$refldat = $facedat; |
412 |
|
} |
413 |
< |
print "\n"; |
414 |
< |
} |
415 |
< |
print |
416 |
< |
' </ScatteringData> |
417 |
< |
</WavelengthDataBlock> |
418 |
< |
</WavelengthData> |
534 |
< |
<WavelengthData> |
535 |
< |
<LayerNumber>System</LayerNumber> |
536 |
< |
<Wavelength unit="Integral">Visible</Wavelength> |
537 |
< |
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
538 |
< |
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
539 |
< |
<WavelengthDataBlock> |
540 |
< |
<WavelengthDataDirection>Reflection Front</WavelengthDataDirection> |
541 |
< |
<ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> |
542 |
< |
<RowAngleBasis>LBNL/Klems Full</RowAngleBasis> |
543 |
< |
<ScatteringDataType>BRDF</ScatteringDataType> |
544 |
< |
<ScatteringData> |
545 |
< |
'; |
546 |
< |
# Output front reflection (transposed order) |
547 |
< |
for (my $od = 0; $od < $ndiv; $od++) { |
548 |
< |
for (my $id = 0; $id < $ndiv; $id++) { |
549 |
< |
print $rfarr[$ndiv*$id + $od]; |
413 |
> |
# Output transmission |
414 |
> |
my $ttyp = ("tb","tf")[$forw]; |
415 |
> |
matrix_comp($ttyp, "Visible", $transdat, ($tb,$tf)[$forw]); |
416 |
> |
if ( $docolor ) { |
417 |
> |
matrix_comp($ttyp, "CIE-X", $transdat, ($tbx,$tfx)[$forw]); |
418 |
> |
matrix_comp($ttyp, "CIE-Z", $transdat, ($tbz,$tfz)[$forw]); |
419 |
|
} |
420 |
< |
print "\n"; |
421 |
< |
} |
422 |
< |
print |
423 |
< |
' </ScatteringData> |
424 |
< |
</WavelengthDataBlock> |
425 |
< |
</WavelengthData> |
557 |
< |
'; |
558 |
< |
} |
559 |
< |
if ( $doback ) { |
560 |
< |
print |
561 |
< |
' <WavelengthData> |
562 |
< |
<LayerNumber>System</LayerNumber> |
563 |
< |
<Wavelength unit="Integral">Visible</Wavelength> |
564 |
< |
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
565 |
< |
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
566 |
< |
<WavelengthDataBlock> |
567 |
< |
<WavelengthDataDirection>Transmission Back</WavelengthDataDirection> |
568 |
< |
<ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> |
569 |
< |
<RowAngleBasis>LBNL/Klems Full</RowAngleBasis> |
570 |
< |
<ScatteringDataType>BTDF</ScatteringDataType> |
571 |
< |
<ScatteringData> |
572 |
< |
'; |
573 |
< |
# Output back transmission (transposed order) |
574 |
< |
for (my $od = 0; $od < $ndiv; $od++) { |
575 |
< |
for (my $id = 0; $id < $ndiv; $id++) { |
576 |
< |
print $tbarr[$ndiv*$id + $od]; |
420 |
> |
# Output reflection |
421 |
> |
my $rtyp = ("rb","rf")[$forw]; |
422 |
> |
matrix_comp($rtyp, "Visible", $refldat, ($rb,$rf)[$forw]); |
423 |
> |
if ( $docolor ) { |
424 |
> |
matrix_comp($rtyp, "CIE-X", $refldat, ($rbx,$rfx)[$forw]); |
425 |
> |
matrix_comp($rtyp, "CIE-Z", $refldat, ($rbz,$rfz)[$forw]); |
426 |
|
} |
427 |
< |
print "\n"; |
428 |
< |
} |
429 |
< |
print |
430 |
< |
' </ScatteringData> |
431 |
< |
</WavelengthDataBlock> |
432 |
< |
</WavelengthData> |
433 |
< |
<WavelengthData> |
434 |
< |
<LayerNumber>System</LayerNumber> |
435 |
< |
<Wavelength unit="Integral">Visible</Wavelength> |
436 |
< |
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
437 |
< |
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
438 |
< |
<WavelengthDataBlock> |
439 |
< |
<WavelengthDataDirection>Reflection Back</WavelengthDataDirection> |
440 |
< |
<ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> |
441 |
< |
<RowAngleBasis>LBNL/Klems Full</RowAngleBasis> |
593 |
< |
<ScatteringDataType>BRDF</ScatteringDataType> |
594 |
< |
<ScatteringData> |
595 |
< |
'; |
596 |
< |
# Output back reflection (transposed order) |
597 |
< |
for (my $od = 0; $od < $ndiv; $od++) { |
598 |
< |
for (my $id = 0; $id < $ndiv; $id++) { |
599 |
< |
print $rbarr[$ndiv*$id + $od]; |
427 |
> |
} # end of matrix_out() |
428 |
> |
|
429 |
> |
# Transpose matrix component data and save to file |
430 |
> |
sub matrix_comp { |
431 |
> |
my $typ = shift; |
432 |
> |
my $spec = shift; |
433 |
> |
my $src = shift; |
434 |
> |
my $dest = shift; |
435 |
> |
my $cmd = "rmtxop -fa -t"; |
436 |
> |
if ("$spec" eq "Visible") { |
437 |
> |
$cmd .= " -c 0.265 0.670 0.065"; |
438 |
> |
} elsif ("$spec" eq "CIE-X") { |
439 |
> |
$cmd .= " -c 0.514 0.324 0.162"; |
440 |
> |
} elsif ("$spec" eq "CIE-Z") { |
441 |
> |
$cmd .= " -c 0.024 0.123 0.853"; |
442 |
|
} |
443 |
< |
print "\n"; |
444 |
< |
} |
445 |
< |
print |
446 |
< |
' </ScatteringData> |
447 |
< |
</WavelengthDataBlock> |
448 |
< |
</WavelengthData> |
449 |
< |
'; |
450 |
< |
} |
451 |
< |
} |
452 |
< |
#------------- End of do_matrix_bsdf() --------------# |
443 |
> |
$cmd .= " $src | rcollate -ho -oc 145"; |
444 |
> |
# print STDERR "Running: $cmd\n"; |
445 |
> |
system "$cmd > $dest"; |
446 |
> |
die "Failure running rttree_reduce" if ( $? ); |
447 |
> |
if ( "$spec" ne "$curspec" ) { |
448 |
> |
$wrapper .= " -s $spec"; |
449 |
> |
$curspec = $spec; |
450 |
> |
} |
451 |
> |
$wrapper .= " -$typ $dest"; |
452 |
> |
} # end of matrix_comp() |
453 |
> |
|
454 |
> |
#------------- End of do_matrix_bsdf() & subroutines --------------# |