9 |
|
my $windoz = ($^O eq "MSWin32" or $^O eq "MSWin64"); |
10 |
|
use File::Temp qw/ :mktemp /; |
11 |
|
sub userror { |
12 |
< |
print STDERR "Usage: genBSDF [-n Nproc][-c Nsamp][-t{3|4} Nlog2][-r \"ropts\"][-dim xmin xmax ymin ymax zmin zmax][{+|-}f][{+|-}b][{+|-}mgf][{+|-}geom units] [input ..]\n"; |
12 |
> |
print STDERR "Usage: genBSDF [-n Nproc][-c Nsamp][-W][-t{3|4} Nlog2][-r \"ropts\"][-s \"x=string;y=string\"][-dim xmin xmax ymin ymax zmin zmax][{+|-}C][{+|-}f][{+|-}b][{+|-}mgf][{+|-}geom units] [input ..]\n"; |
13 |
|
exit 1; |
14 |
|
} |
15 |
< |
my ($td,$radscn,$mgfscn,$octree,$cnttmp,$rmtmp); |
16 |
< |
if ($windoz) { |
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); |
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 |
< |
chomp $td; |
44 |
< |
$rmtmp = "rmdir /S /Q $td"; |
45 |
< |
} else{ |
46 |
< |
$td = mkdtemp("/tmp/genBSDF.XXXXXX"); |
47 |
< |
chomp $td; |
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"; |
88 |
+ |
my $wrapper = "wrapBSDF"; |
89 |
|
my $tensortree = 0; |
90 |
|
my $ttlog2 = 4; |
91 |
|
my $nsamp = 2000; |
37 |
– |
my $rtargs = "-w -ab 5 -ad 700 -lw 3e-6"; |
92 |
|
my $mgfin = 0; |
93 |
|
my $geout = 1; |
94 |
|
my $nproc = 1; |
95 |
+ |
my $docolor = 0; |
96 |
|
my $doforw = 0; |
97 |
|
my $doback = 1; |
98 |
|
my $pctcull = 90; |
99 |
|
my $gunit = "meter"; |
100 |
+ |
my $curspec = "Visible"; |
101 |
|
my @dim; |
102 |
|
# Get options |
103 |
|
while ($#ARGV >= 0) { |
104 |
|
if ("$ARGV[0]" =~ /^[-+]m/) { |
105 |
|
$mgfin = ("$ARGV[0]" =~ /^\+/); |
106 |
|
} elsif ("$ARGV[0]" eq "-r") { |
107 |
< |
$rtargs = "$rtargs $ARGV[1]"; |
107 |
> |
$rfluxmtx .= " $ARGV[1]"; |
108 |
|
shift @ARGV; |
109 |
|
} elsif ("$ARGV[0]" =~ /^[-+]g/) { |
110 |
|
$geout = ("$ARGV[0]" =~ /^\+/); |
113 |
|
die "Illegal geometry unit '$gunit': must be meter, foot, inch, centimeter, or millimeter\n"; |
114 |
|
} |
115 |
|
shift @ARGV; |
116 |
+ |
} elsif ("$ARGV[0]" =~ /^[-+]C/) { |
117 |
+ |
$docolor = ("$ARGV[0]" =~ /^\+/); |
118 |
|
} elsif ("$ARGV[0]" =~ /^[-+]f/) { |
119 |
|
$doforw = ("$ARGV[0]" =~ /^\+/); |
120 |
|
} elsif ("$ARGV[0]" =~ /^[-+]b/) { |
122 |
|
} elsif ("$ARGV[0]" eq "-t") { |
123 |
|
# Use value < 0 for rttree_reduce bypass |
124 |
|
$pctcull = $ARGV[1]; |
125 |
+ |
if ($pctcull >= 100) { |
126 |
+ |
die "Illegal -t culling percentage, must be < 100\n"; |
127 |
+ |
} |
128 |
|
shift @ARGV; |
129 |
|
} elsif ("$ARGV[0]" =~ /^-t[34]$/) { |
130 |
|
$tensortree = substr($ARGV[0], 2, 1); |
131 |
|
$ttlog2 = $ARGV[1]; |
132 |
|
shift @ARGV; |
133 |
+ |
} elsif ("$ARGV[0]" eq "-s") { |
134 |
+ |
$wrapper .= " -f \"$ARGV[1]\""; |
135 |
+ |
shift @ARGV; |
136 |
+ |
} elsif ("$ARGV[0]" eq "-W") { |
137 |
+ |
$wrapper .= " -W"; |
138 |
|
} elsif ("$ARGV[0]" eq "-c") { |
139 |
|
$nsamp = $ARGV[1]; |
140 |
|
shift @ARGV; |
154 |
|
} |
155 |
|
# Check that we're actually being asked to do something |
156 |
|
die "Must have at least one of +forward or +backward\n" if (!$doforw && !$doback); |
157 |
< |
# Issue warning for unhandled reciprocity case |
158 |
< |
print STDERR "Warning: recommend both +forward and +backward with -t3" if |
159 |
< |
($tensortree==3 && !($doforw && $doback)); |
160 |
< |
# Get scene description and dimensions |
161 |
< |
|
162 |
< |
if ( $mgfin ) { |
163 |
< |
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}; |
164 |
< |
die "Could not load MGF input\n" if ( $? ); |
165 |
< |
system "mgf2rad $mgfscn > $radscn"; |
166 |
< |
} else { |
167 |
< |
system "xform -e @ARGV > $radscn"; |
168 |
< |
die "Could not load Radiance input\n" if ( $? ); |
169 |
< |
system "rad2mgf $radscn > $mgfscn" if ( $geout ); |
157 |
> |
$wrapper .= $tensortree ? " -a t$tensortree" : " -a kf -c"; |
158 |
> |
$wrapper .= " -u $gunit"; |
159 |
> |
if ( !defined $recovery ) { |
160 |
> |
# Issue warning for unhandled reciprocity case |
161 |
> |
print STDERR "Warning: recommend both +forward and +backward with -t3\n" if |
162 |
> |
($tensortree==3 && !($doforw && $doback)); |
163 |
> |
# Get scene description |
164 |
> |
if ( $mgfin ) { |
165 |
> |
system "mgf2rad @ARGV > $radscn"; |
166 |
> |
die "Could not load MGF input\n" if ( $? ); |
167 |
> |
} else { |
168 |
> |
system "xform -e @ARGV > $radscn"; |
169 |
> |
die "Could not load Radiance input\n" if ( $? ); |
170 |
> |
} |
171 |
|
} |
172 |
< |
if ($#dim != 5) { |
172 |
> |
if ( $#dim != 5 ) { |
173 |
|
@dim = split ' ', `getbbox -h $radscn`; |
174 |
|
} |
175 |
< |
print STDERR "Warning: Device extends into room\n" if ($dim[5] > 1e-5); |
176 |
< |
# Add receiver surfaces (rectangular) |
177 |
< |
my $fmodnm="receiver_face"; |
178 |
< |
my $bmodnm="receiver_behind"; |
179 |
< |
open(RADSCN, ">> $radscn"); |
113 |
< |
print RADSCN "void glow $fmodnm\n0\n0\n4 1 1 1 0\n\n"; |
114 |
< |
print RADSCN "$fmodnm source f_receiver\n0\n0\n4 0 0 1 180\n"; |
115 |
< |
print RADSCN "void glow $bmodnm\n0\n0\n4 1 1 1 0\n\n"; |
116 |
< |
print RADSCN "$bmodnm source b_receiver\n0\n0\n4 0 0 -1 180\n"; |
117 |
< |
close RADSCN; |
118 |
< |
# Generate octree |
119 |
< |
system "oconv -w $radscn > $octree"; |
120 |
< |
die "Could not compile scene\n" if ( $? ); |
121 |
< |
# Output XML prologue |
122 |
< |
print |
123 |
< |
'<?xml version="1.0" encoding="UTF-8"?> |
124 |
< |
<WindowElement xmlns="http://windows.lbl.gov" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://windows.lbl.gov/BSDF-v1.4.xsd"> |
125 |
< |
'; |
126 |
< |
print "<!-- File produced by: genBSDF @savedARGV -->\n"; |
127 |
< |
print |
128 |
< |
'<WindowElementType>System</WindowElementType> |
129 |
< |
<FileType>BSDF</FileType> |
130 |
< |
<Optical> |
131 |
< |
<Layer> |
132 |
< |
<Material> |
133 |
< |
<Name>Name</Name> |
134 |
< |
<Manufacturer>Manufacturer</Manufacturer> |
135 |
< |
'; |
136 |
< |
printf qq{\t\t<Thickness unit="$gunit">%.6f</Thickness>\n}, $dim[5] - $dim[4]; |
137 |
< |
printf qq{\t\t<Width unit="$gunit">%.6f</Width>\n}, $dim[1] - $dim[0]; |
138 |
< |
printf qq{\t\t<Height unit="$gunit">%.6f</Height>\n}, $dim[3] - $dim[2]; |
139 |
< |
print "\t\t<DeviceType>Other</DeviceType>\n"; |
140 |
< |
print "\t</Material>\n"; |
141 |
< |
# Output MGF description if requested |
142 |
< |
if ( $geout ) { |
143 |
< |
print qq{\t\t<Geometry format="MGF">\n}; |
144 |
< |
print qq{\t\t<MGFblock unit="$gunit">\n}; |
145 |
< |
printf "xf -t %.6f %.6f 0\n", -($dim[0]+$dim[1])/2, -($dim[2]+$dim[3])/2; |
146 |
< |
open(MGFSCN, "< $mgfscn"); |
147 |
< |
while (<MGFSCN>) { print $_; } |
148 |
< |
close MGFSCN; |
149 |
< |
print "xf\n"; |
150 |
< |
print "</MGFblock>\n"; |
151 |
< |
print "\t</Geometry>\n"; |
175 |
> |
die "Device entirely inside room!\n" if ( $dim[4] >= 0 ); |
176 |
> |
if ( $dim[5] > 1e-5 ) { |
177 |
> |
print STDERR "Warning: Device extends into room\n"; |
178 |
> |
} elsif ( $dim[5]*$dim[5] > .01*($dim[1]-$dim[0])*($dim[3]-$dim[2]) ) { |
179 |
> |
print STDERR "Warning: Device far behind Z==0 plane\n"; |
180 |
|
} |
181 |
< |
# Set up surface sampling |
181 |
> |
# Assume Zmax==0 to derive thickness so pkgBSDF will work |
182 |
> |
$wrapper .= ' -f "t=' . (-$dim[4]) . ';w=' . ($dim[1] - $dim[0]) . |
183 |
> |
';h=' . ($dim[3] - $dim[2]) . '"'; |
184 |
> |
$wrapper .= " -g $mgfscn" if ( $geout ); |
185 |
> |
# Calculate CIE (u',v') from Radiance RGB: |
186 |
> |
my $CIEuv = 'Xi=.5141*Ri+.3239*Gi+.1620*Bi;' . |
187 |
> |
'Yi=.2651*Ri+.6701*Gi+.0648*Bi;' . |
188 |
> |
'Zi=.0241*Ri+.1229*Gi+.8530*Bi;' . |
189 |
> |
'den=Xi+15*Yi+3*Zi;' . |
190 |
> |
'uprime=4*Xi/den;vprime=9*Yi/den;' ; |
191 |
> |
my $FEPS = 1e-5; |
192 |
> |
my $ns = 2**$ttlog2; |
193 |
|
my $nx = int(sqrt($nsamp*($dim[1]-$dim[0])/($dim[3]-$dim[2])) + 1); |
194 |
|
my $ny = int($nsamp/$nx + 1); |
195 |
|
$nsamp = $nx * $ny; |
196 |
< |
my $ns = 2**$ttlog2; |
197 |
< |
my (@pdiv, $disk2sq, $sq2disk, $tcal, $kcal); |
196 |
> |
$rfluxmtx .= " -n $nproc -c $nsamp"; |
197 |
> |
if ( !defined $recovery ) { |
198 |
> |
open(MYAVH, "> $td/savedARGV.txt"); |
199 |
> |
foreach (@savedARGV) { |
200 |
> |
print MYAVH "$_\n"; |
201 |
> |
} |
202 |
> |
close MYAVH; |
203 |
> |
# Generate octree |
204 |
> |
system "oconv -w $radscn > $octree"; |
205 |
> |
die "Could not compile scene\n" if ( $? ); |
206 |
> |
# Add MGF description if requested |
207 |
> |
if ( $geout ) { |
208 |
> |
open(MGFSCN, "> $mgfscn"); |
209 |
> |
printf MGFSCN "xf -t %.6f %.6f 0\n", -($dim[0]+$dim[1])/2, -($dim[2]+$dim[3])/2; |
210 |
> |
close MGFSCN; |
211 |
> |
if ( $mgfin ) { |
212 |
> |
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}; |
213 |
> |
} else { |
214 |
> |
system "rad2mgf $radscn >> $mgfscn"; |
215 |
> |
} |
216 |
> |
open(MGFSCN, ">> $mgfscn"); |
217 |
> |
print MGFSCN "xf\n"; |
218 |
> |
close MGFSCN; |
219 |
> |
} |
220 |
> |
# Create receiver & sender surfaces (rectangular) |
221 |
> |
open(RADSCN, "> $receivers"); |
222 |
> |
print RADSCN '#@rfluxmtx ' . ($tensortree ? "h=-sc$ns\n" : "h=-kf\n"); |
223 |
> |
print RADSCN '#@rfluxmtx ' . "u=-Y o=$facedat\n\n"; |
224 |
> |
print RADSCN "void glow receiver_face\n0\n0\n4 1 1 1 0\n\n"; |
225 |
> |
print RADSCN "receiver_face source f_receiver\n0\n0\n4 0 0 1 180\n\n"; |
226 |
> |
print RADSCN '#@rfluxmtx ' . ($tensortree ? "h=+sc$ns\n" : "h=+kf\n"); |
227 |
> |
print RADSCN '#@rfluxmtx ' . "u=-Y o=$behinddat\n\n"; |
228 |
> |
print RADSCN "void glow receiver_behind\n0\n0\n4 1 1 1 0\n\n"; |
229 |
> |
print RADSCN "receiver_behind source b_receiver\n0\n0\n4 0 0 -1 180\n"; |
230 |
> |
close RADSCN; |
231 |
> |
# Prepare sender surfaces |
232 |
> |
if ( $tensortree != 3 ) { # Isotropic tensor tree is exception |
233 |
> |
open (RADSCN, "> $fsender"); |
234 |
> |
print RADSCN '#@rfluxmtx u=-Y ' . ($tensortree ? "h=-sc$ns\n\n" : "h=-kf\n\n"); |
235 |
> |
print RADSCN "void polygon fwd_sender\n0\n0\n12\n"; |
236 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[2], $dim[4]-$FEPS; |
237 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[3], $dim[4]-$FEPS; |
238 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[3], $dim[4]-$FEPS; |
239 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[2], $dim[4]-$FEPS; |
240 |
> |
close RADSCN; |
241 |
> |
open (RADSCN, "> $bsender"); |
242 |
> |
print RADSCN '#@rfluxmtx u=-Y ' . ($tensortree ? "h=+sc$ns\n\n" : "h=+kf\n\n"); |
243 |
> |
print RADSCN "void polygon bwd_sender\n0\n0\n12\n"; |
244 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[2], $dim[5]+$FEPS; |
245 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[2], $dim[5]+$FEPS; |
246 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[1], $dim[3], $dim[5]+$FEPS; |
247 |
> |
printf RADSCN "\t%e\t%e\t%e\n", $dim[0], $dim[3], $dim[5]+$FEPS; |
248 |
> |
close RADSCN; |
249 |
> |
} |
250 |
> |
print STDERR "Recover using: $0 -recover $td\n"; |
251 |
> |
} |
252 |
> |
# Open unbuffered progress file |
253 |
> |
open(MYPH, ">> $td/phase.txt"); |
254 |
> |
{ |
255 |
> |
my $ofh = select MYPH; |
256 |
> |
$| = 1; |
257 |
> |
select $ofh; |
258 |
> |
} |
259 |
> |
$curphase = 0; |
260 |
|
# Create data segments (all the work happens here) |
261 |
|
if ( $tensortree ) { |
262 |
|
do_tree_bsdf(); |
263 |
|
} else { |
264 |
|
do_matrix_bsdf(); |
265 |
|
} |
266 |
< |
# Output XML epilogue |
267 |
< |
print |
268 |
< |
'</Layer> |
269 |
< |
</Optical> |
169 |
< |
</WindowElement> |
170 |
< |
'; |
266 |
> |
# Output XML |
267 |
> |
# print STDERR "Running: $wrapper\n"; |
268 |
> |
system "$wrapper -C \"Created by: genBSDF @savedARGV\""; |
269 |
> |
die "Could not wrap BSDF data\n" if ( $? ); |
270 |
|
# Clean up temporary files and exit |
271 |
< |
system $rmtmp; |
271 |
> |
exec $rmtmp; |
272 |
|
|
273 |
< |
#-------------- End of main program segment --------------# |
273 |
> |
#============== End of main program segment ==============# |
274 |
|
|
275 |
+ |
# Function to determine if next phase should be skipped or recovered |
276 |
+ |
sub do_phase { |
277 |
+ |
$curphase++; |
278 |
+ |
if ( defined $recovery ) { |
279 |
+ |
if ( $recovery > $curphase ) { return 0; } |
280 |
+ |
if ( $recovery == $curphase ) { return -1; } |
281 |
+ |
} |
282 |
+ |
print MYPH "$curphase\n"; |
283 |
+ |
return 1; |
284 |
+ |
} |
285 |
+ |
|
286 |
+ |
# Check if we are in active phase (not skipping parts) |
287 |
+ |
sub active_phase { |
288 |
+ |
if ( defined $recovery ) { |
289 |
+ |
if ( $recovery > $curphase ) { return 0; } |
290 |
+ |
if ( $recovery == $curphase ) { return -1; } |
291 |
+ |
} |
292 |
+ |
return 1; |
293 |
+ |
} |
294 |
+ |
|
295 |
+ |
# Function to run program and check output if in active phase |
296 |
+ |
sub run_check { |
297 |
+ |
if ( !active_phase() ) { return; } |
298 |
+ |
my $cmd = shift; |
299 |
+ |
# print STDERR "Running: $cmd\n"; |
300 |
+ |
system $cmd; |
301 |
+ |
die "Failure running: $cmd\n" if ( $? ); |
302 |
+ |
} |
303 |
+ |
|
304 |
|
#++++++++++++++ Tensor tree BSDF generation ++++++++++++++# |
305 |
|
sub do_tree_bsdf { |
178 |
– |
# Shirley-Chiu mapping from unit square to disk |
179 |
– |
$sq2disk = 'in_square_a = 2*in_square_x - 1; ' . |
180 |
– |
'in_square_b = 2*in_square_y - 1; ' . |
181 |
– |
'in_square_rgn = if(in_square_a + in_square_b, ' . |
182 |
– |
'if(in_square_a - in_square_b, 1, 2), ' . |
183 |
– |
'if(in_square_b - in_square_a, 3, 4)); ' . |
184 |
– |
'out_disk_r = .999995*select(in_square_rgn, in_square_a, in_square_b, ' . |
185 |
– |
'-in_square_a, -in_square_b); ' . |
186 |
– |
'out_disk_phi = PI/4 * select(in_square_rgn, ' . |
187 |
– |
'in_square_b/in_square_a, ' . |
188 |
– |
'2 - in_square_a/in_square_b, ' . |
189 |
– |
'4 + in_square_b/in_square_a, ' . |
190 |
– |
'if(in_square_b*in_square_b, ' . |
191 |
– |
'6 - in_square_a/in_square_b, 0)); ' . |
192 |
– |
'Dx = out_disk_r*cos(out_disk_phi); ' . |
193 |
– |
'Dy = out_disk_r*sin(out_disk_phi); ' . |
194 |
– |
'Dz = sqrt(1 - out_disk_r*out_disk_r);' ; |
195 |
– |
# Shirley-Chiu mapping from unit disk to square |
196 |
– |
$disk2sq = 'norm_radians(p) : if(-p - PI/4, p + 2*PI, p); ' . |
197 |
– |
'in_disk_r = .999995*sqrt(Dx*Dx + Dy*Dy); ' . |
198 |
– |
'in_disk_phi = norm_radians(atan2(Dy, Dx)); ' . |
199 |
– |
'in_disk_rgn = floor((.999995*in_disk_phi + PI/4)/(PI/2)) + 1; ' . |
200 |
– |
'out_square_a = select(in_disk_rgn, ' . |
201 |
– |
'in_disk_r, ' . |
202 |
– |
'(PI/2 - in_disk_phi)*in_disk_r/(PI/4), ' . |
203 |
– |
'-in_disk_r, ' . |
204 |
– |
'(in_disk_phi - 3*PI/2)*in_disk_r/(PI/4)); ' . |
205 |
– |
'out_square_b = select(in_disk_rgn, ' . |
206 |
– |
'in_disk_phi*in_disk_r/(PI/4), ' . |
207 |
– |
'in_disk_r, ' . |
208 |
– |
'(PI - in_disk_phi)*in_disk_r/(PI/4), ' . |
209 |
– |
'-in_disk_r); ' . |
210 |
– |
'out_square_x = (out_square_a + 1)/2; ' . |
211 |
– |
'out_square_y = (out_square_b + 1)/2;'; |
212 |
– |
# Announce ourselves in XML output |
213 |
– |
print "\t<DataDefinition>\n"; |
214 |
– |
print "\t\t<IncidentDataStructure>TensorTree$tensortree</IncidentDataStructure>\n"; |
215 |
– |
print "\t</DataDefinition>\n"; |
306 |
|
|
307 |
< |
# Start rcontrib processes for compute each side |
308 |
< |
do_tree_rtcontrib(0) if ( $doback ); |
309 |
< |
do_tree_rtcontrib(1) if ( $doforw ); |
307 |
> |
# Run rfluxmtx processes to compute each side |
308 |
> |
do_ttree_dir(0) if ( $doback ); |
309 |
> |
do_ttree_dir(1) if ( $doforw ); |
310 |
|
|
311 |
|
} # end of sub do_tree_bsdf() |
312 |
|
|
313 |
< |
# Run rcontrib process to generate tensor tree samples |
314 |
< |
sub do_tree_rtcontrib { |
313 |
> |
# Call rfluxmtx and process tensor tree BSDF for the given direction |
314 |
> |
sub do_ttree_dir { |
315 |
|
my $forw = shift; |
316 |
+ |
my $dop = do_phase(); |
317 |
+ |
my $r = ($dop < 0) ? " -r" : ""; |
318 |
|
my $cmd; |
227 |
– |
my $matargs = "-m $bmodnm"; |
228 |
– |
if ( !$forw || !$doback || $tensortree==3 ) { $matargs .= " -m $fmodnm"; } |
229 |
– |
if ($windoz) { |
230 |
– |
$cmd = "rcontrib $rtargs -h -faa -fo -n $nproc -c $nsamp " . |
231 |
– |
qq{-e "$disk2sq" -bn "$ns*$ns" } . |
232 |
– |
qq{-b "$ns*floor(out_square_x*$ns)+floor(out_square_y*$ns)" } . |
233 |
– |
"-o $td/%s.flt $matargs $octree"; |
234 |
– |
} else { |
235 |
– |
$cmd = "rcontrib $rtargs -h -fff -fo -n $nproc -c $nsamp " . |
236 |
– |
qq{-e "$disk2sq" -bn "$ns*$ns" } . |
237 |
– |
qq{-b "$ns*floor(out_square_x*$ns)+floor(out_square_y*$ns)" } . |
238 |
– |
"-o $td/%s.flt $matargs $octree"; |
239 |
– |
} |
319 |
|
if ( $tensortree == 3 ) { |
320 |
|
# Isotropic BSDF |
321 |
|
my $ns2 = $ns / 2; |
330 |
|
qq{-e "zp=$dim[5-$forw]" -e "myDz=Dz*($forw*2-1)" } . |
331 |
|
qq{-e "\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz" } . |
332 |
|
qq{-e "\$4=Dx;\$5=Dy;\$6=myDz" } . |
333 |
< |
"| $cmd"; |
333 |
> |
"| $rfluxmtx$r -fa -y $ns2 - $receivers -i $octree"; |
334 |
|
} else { |
335 |
|
$cmd = "cnt $ns2 $ny $nx " . |
336 |
|
qq{| rcalc -e "r1=rand(.8681*recno-.673892)" } . |
342 |
|
qq{-e "zp=$dim[5-$forw]" -e "myDz=Dz*($forw*2-1)" } . |
343 |
|
qq{-e '\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz' } . |
344 |
|
qq{-e '\$4=Dx;\$5=Dy;\$6=myDz' -of } . |
345 |
< |
"| $cmd"; |
345 |
> |
"| $rfluxmtx$r -h -ff -y $ns2 - $receivers -i $octree"; |
346 |
|
} |
347 |
|
} else { |
348 |
|
# Anisotropic BSDF |
349 |
< |
# Sample area vertically to improve load balance, since |
271 |
< |
# shading systems usually have bilateral symmetry (L-R) |
349 |
> |
my $sender = ($bsender,$fsender)[$forw]; |
350 |
|
if ($windoz) { |
351 |
< |
$cmd = "cnt $ns $ns $ny $nx " . |
274 |
< |
qq{| rcalc -e "r1=rand(.8681*recno-.673892)" } . |
275 |
< |
qq{-e "r2=rand(-5.37138*recno+67.1737811)" } . |
276 |
< |
qq{-e "r3=rand(3.17603772*recno+83.766771)" } . |
277 |
< |
qq{-e "r4=rand(-2.3857833*recno-964.72738)" } . |
278 |
< |
qq{-e "in_square_x=(\$1+r1)/$ns" } . |
279 |
< |
qq{-e "in_square_y=(\$2+r2)/$ns" -e "$sq2disk" } . |
280 |
< |
qq{-e "xp=(\$4+r3)*(($dim[1]-$dim[0])/$nx)+$dim[0]" } . |
281 |
< |
qq{-e "yp=(\$3+r4)*(($dim[3]-$dim[2])/$ny)+$dim[2]" } . |
282 |
< |
qq{-e "zp=$dim[5-$forw]" -e "myDz=Dz*($forw*2-1)" } . |
283 |
< |
qq{-e "\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz" } . |
284 |
< |
qq{-e "\$4=Dx;\$5=Dy;\$6=myDz" } . |
285 |
< |
"| $cmd"; |
351 |
> |
$cmd = "$rfluxmtx$r -fa $sender $receivers -i $octree"; |
352 |
|
} else { |
353 |
< |
$cmd = "cnt $ns $ns $ny $nx " . |
288 |
< |
qq{| rcalc -e "r1=rand(.8681*recno-.673892)" } . |
289 |
< |
qq{-e "r2=rand(-5.37138*recno+67.1737811)" } . |
290 |
< |
qq{-e "r3=rand(3.17603772*recno+83.766771)" } . |
291 |
< |
qq{-e "r4=rand(-2.3857833*recno-964.72738)" } . |
292 |
< |
qq{-e "in_square_x=(\$1+r1)/$ns" } . |
293 |
< |
qq{-e "in_square_y=(\$2+r2)/$ns" -e "$sq2disk" } . |
294 |
< |
qq{-e "xp=(\$4+r3)*(($dim[1]-$dim[0])/$nx)+$dim[0]" } . |
295 |
< |
qq{-e "yp=(\$3+r4)*(($dim[3]-$dim[2])/$ny)+$dim[2]" } . |
296 |
< |
qq{-e "zp=$dim[5-$forw]" -e "myDz=Dz*($forw*2-1)" } . |
297 |
< |
qq{-e '\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz' } . |
298 |
< |
qq{-e '\$4=Dx;\$5=Dy;\$6=myDz' -of } . |
299 |
< |
"| $cmd"; |
353 |
> |
$cmd = "$rfluxmtx$r -h -ff $sender $receivers -i $octree"; |
354 |
|
} |
355 |
|
} |
356 |
< |
# print STDERR "Starting: $cmd\n"; |
357 |
< |
system "$cmd" || die "Failure running rcontrib"; |
356 |
> |
if ( $dop ) { |
357 |
> |
# print STDERR "Running: $cmd\n"; |
358 |
> |
system $cmd; |
359 |
> |
die "Failure running rfluxmtx" if ( $? ); |
360 |
> |
} |
361 |
|
ttree_out($forw); |
362 |
< |
} # end of do_tree_rtcontrib() |
362 |
> |
} # end of do_ttree_dir() |
363 |
|
|
364 |
< |
# Simplify and output tensor tree results |
364 |
> |
# Simplify and store tensor tree results |
365 |
|
sub ttree_out { |
366 |
|
my $forw = shift; |
367 |
< |
my $side = ("Back","Front")[$forw]; |
368 |
< |
my $cmd; |
369 |
< |
# Only output one transmitted anisotropic distribution, preferring backwards |
370 |
< |
if ( !$forw || !$doback || $tensortree==3 ) { |
314 |
< |
print |
315 |
< |
' <WavelengthData> |
316 |
< |
<LayerNumber>System</LayerNumber> |
317 |
< |
<Wavelength unit="Integral">Visible</Wavelength> |
318 |
< |
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
319 |
< |
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
320 |
< |
<WavelengthDataBlock>' ; |
321 |
< |
print "\t\t\t<WavelengthDataDirection>Transmission $side</WavelengthDataDirection>\n"; |
322 |
< |
print |
323 |
< |
' <AngleBasis>LBNL/Shirley-Chiu</AngleBasis> |
324 |
< |
<ScatteringDataType>BTDF</ScatteringDataType> |
325 |
< |
<ScatteringData> |
326 |
< |
'; |
327 |
< |
if ($windoz) { |
328 |
< |
$cmd = qq{rcalc -e "Omega:PI/($ns*$ns)" } . |
329 |
< |
q{-e "$1=(0.265*$1+0.670*$2+0.065*$3)/Omega" }; |
330 |
< |
} else { |
331 |
< |
$cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
332 |
< |
q{-e '$1=(0.265*$1+0.670*$2+0.065*$3)/Omega' }; |
333 |
< |
} |
334 |
< |
if ($pctcull >= 0) { |
335 |
< |
if ($windoz) { |
336 |
< |
$cmd = "rcollate -h -oc 1 $td/" . ($bmodnm,$fmodnm)[$forw] . ".flt | " . |
337 |
< |
$cmd . |
338 |
< |
"| rttree_reduce -h -fa -t $pctcull -r $tensortree -g $ttlog2"; |
367 |
> |
my ($refldat,$transdat); |
368 |
> |
if ( $forw ) { |
369 |
> |
$transdat = $facedat; |
370 |
> |
$refldat = $behinddat; |
371 |
|
} else { |
372 |
< |
$cmd .= "-of $td/" . ($bmodnm,$fmodnm)[$forw] . ".flt " . |
373 |
< |
" | rttree_reduce -h -ff -t $pctcull -r $tensortree -g $ttlog2"; |
372 |
> |
$transdat = $behinddat; |
373 |
> |
$refldat = $facedat; |
374 |
|
} |
375 |
< |
system "$cmd" || die "Failure running rttree_reduce"; |
376 |
< |
} else { |
377 |
< |
if ($windoz) { |
378 |
< |
$cmd = "rcollate -h -oc 1 $td/" . ($bmodnm,$fmodnm)[$forw] . ".flt | " . |
379 |
< |
$cmd ; |
380 |
< |
} else { |
381 |
< |
$cmd .= "$td/" . ($bmodnm,$fmodnm)[$forw] . ".flt"; |
375 |
> |
# Only output one transmitted anisotropic distribution, preferring backwards |
376 |
> |
if ( !$forw || !$doback || $tensortree==3 ) { |
377 |
> |
my $ttyp = ("tb","tf")[$forw]; |
378 |
> |
ttree_comp($ttyp, "Visible", $transdat, ($tb,$tf)[$forw]); |
379 |
> |
if ( $docolor ) { |
380 |
> |
ttree_comp($ttyp, "CIE-u", $transdat, ($tbx,$tfx)[$forw]); |
381 |
> |
ttree_comp($ttyp, "CIE-v", $transdat, ($tbz,$tfz)[$forw]); |
382 |
> |
} |
383 |
|
} |
384 |
< |
print "{\n"; |
385 |
< |
system "$cmd" || die "Failure running rcalc"; |
386 |
< |
for (my $i = ($tensortree==3)*$ns*$ns*$ns/2; $i-- > 0; ) { |
387 |
< |
print "0\n"; |
384 |
> |
# Output reflection |
385 |
> |
my $rtyp = ("rb","rf")[$forw]; |
386 |
> |
ttree_comp($rtyp, "Visible", $refldat, ($rb,$rf)[$forw]); |
387 |
> |
if ( $docolor ) { |
388 |
> |
ttree_comp($rtyp, "CIE-u", $refldat, ($rbx,$rfx)[$forw]); |
389 |
> |
ttree_comp($rtyp, "CIE-v", $refldat, ($rbz,$rfz)[$forw]); |
390 |
|
} |
391 |
< |
print "}\n"; |
357 |
< |
} |
358 |
< |
print |
359 |
< |
' </ScatteringData> |
360 |
< |
</WavelengthDataBlock> |
361 |
< |
</WavelengthData> |
362 |
< |
'; |
363 |
< |
} |
364 |
< |
# Output reflection |
365 |
< |
print |
366 |
< |
' <WavelengthData> |
367 |
< |
<LayerNumber>System</LayerNumber> |
368 |
< |
<Wavelength unit="Integral">Visible</Wavelength> |
369 |
< |
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
370 |
< |
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
371 |
< |
<WavelengthDataBlock> |
372 |
< |
'; |
373 |
< |
print "\t\t\t<WavelengthDataDirection>Reflection $side</WavelengthDataDirection>\n"; |
374 |
< |
print |
375 |
< |
' <AngleBasis>LBNL/Shirley-Chiu</AngleBasis> |
376 |
< |
<ScatteringDataType>BTDF</ScatteringDataType> |
377 |
< |
<ScatteringData> |
378 |
< |
'; |
379 |
< |
if ($windoz) { |
380 |
< |
$cmd = qq{rcalc -e "Omega:PI/($ns*$ns)" } . |
381 |
< |
q{-e "$1=(0.265*$1+0.670*$2+0.065*$3)/Omega" }; |
382 |
< |
}else { |
383 |
< |
$cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
384 |
< |
q{-e '$1=(0.265*$1+0.670*$2+0.065*$3)/Omega' }; |
385 |
< |
} |
386 |
< |
if ($pctcull >= 0) { |
387 |
< |
if ($windoz) { |
388 |
< |
$cmd = "rcollate -h -oc 1 $td/" . ($fmodnm,$bmodnm)[$forw] . ".flt |" . |
389 |
< |
$cmd . |
390 |
< |
" | rttree_reduce -a -h -fa -t $pctcull -r $tensortree -g $ttlog2"; |
391 |
> |
} # end of ttree_out() |
392 |
|
|
393 |
+ |
# Call rttree_reduce on the given component |
394 |
+ |
sub ttree_comp { |
395 |
+ |
my $typ = shift; |
396 |
+ |
my $spec = shift; |
397 |
+ |
my $src = shift; |
398 |
+ |
my $dest = shift; |
399 |
+ |
my $cmd; |
400 |
+ |
if ($windoz) { |
401 |
+ |
if ("$spec" eq "Visible") { |
402 |
+ |
$cmd = qq{rcalc -e "Omega:PI/($ns*$ns)" } . |
403 |
+ |
q{-e "Ri=$1;Gi=$2;Bi=$3" } . |
404 |
+ |
qq{-e "$CIEuv" } . |
405 |
+ |
q{-e "$1=Yi/Omega"}; |
406 |
+ |
} elsif ("$spec" eq "CIE-u") { |
407 |
+ |
$cmd = q{rcalc -e "Ri=$1;Gi=$2;Bi=$3" } . |
408 |
+ |
qq{-e "$CIEuv" } . |
409 |
+ |
q{-e "$1=uprime"}; |
410 |
+ |
} elsif ("$spec" eq "CIE-v") { |
411 |
+ |
$cmd = q{rcalc -e "Ri=$1;Gi=$2;Bi=$3" } . |
412 |
+ |
qq{-e "$CIEuv" } . |
413 |
+ |
q{-e "$1=vprime"}; |
414 |
+ |
} |
415 |
|
} else { |
416 |
< |
$cmd .= "-of $td/" . ($fmodnm,$bmodnm)[$forw] . ".flt " . |
417 |
< |
"| rttree_reduce -a -h -ff -t $pctcull -r $tensortree -g $ttlog2"; |
416 |
> |
if ("$spec" eq "Visible") { |
417 |
> |
$cmd = "rcalc -if3 -e 'Omega:PI/($ns*$ns)' " . |
418 |
> |
q{-e 'Ri=$1;Gi=$2;Bi=$3' } . |
419 |
> |
"-e '$CIEuv' " . |
420 |
> |
q{-e '$1=Yi/Omega'}; |
421 |
> |
} elsif ("$spec" eq "CIE-u") { |
422 |
> |
$cmd = q{rcalc -if3 -e 'Ri=$1;Gi=$2;Bi=$3' } . |
423 |
> |
"-e '$CIEuv' " . |
424 |
> |
q{-e '$1=uprime'}; |
425 |
> |
} elsif ("$spec" eq "CIE-v") { |
426 |
> |
$cmd = q{rcalc -if3 -e 'Ri=$1;Gi=$2;Bi=$3' } . |
427 |
> |
"-e '$CIEuv' " . |
428 |
> |
q{-e '$1=vprime'}; |
429 |
> |
} |
430 |
|
} |
431 |
< |
system "$cmd" || die "Failure running rttree_reduce"; |
432 |
< |
} else { |
433 |
< |
if ($windoz) { |
434 |
< |
$cmd = "rcollate -h -oc 1 $td/" . ($fmodnm,$bmodnm)[$forw] . ".flt |" . |
435 |
< |
$cmd ; |
431 |
> |
if ($pctcull >= 0) { |
432 |
> |
my $avg = ( "$typ" =~ /^r[fb]/ ) ? " -a" : ""; |
433 |
> |
my $pcull = ("$spec" eq "Visible") ? $pctcull : |
434 |
> |
(100 - (100-$pctcull)*.25) ; |
435 |
> |
if ($windoz) { |
436 |
> |
$cmd = "rcollate -ho -oc 1 $src | " . |
437 |
> |
$cmd . |
438 |
> |
" | rttree_reduce$avg -h -fa -t $pcull -r $tensortree -g $ttlog2"; |
439 |
> |
} else { |
440 |
> |
$cmd .= " -of $src " . |
441 |
> |
"| rttree_reduce$avg -h -ff -t $pcull -r $tensortree -g $ttlog2"; |
442 |
> |
} |
443 |
> |
run_check "$cmd > $dest"; |
444 |
|
} else { |
445 |
< |
$cmd .= "$td/" . ($fmodnm,$bmodnm)[$forw] . ".flt"; |
445 |
> |
if ($windoz) { |
446 |
> |
$cmd = "rcollate -ho -oc 1 $src | " . $cmd ; |
447 |
> |
} else { |
448 |
> |
$cmd .= " $src"; |
449 |
> |
} |
450 |
> |
if ( active_phase() ) { |
451 |
> |
open(DATOUT, "> $dest"); |
452 |
> |
print DATOUT "{\n"; |
453 |
> |
close DATOUT; |
454 |
> |
# print STDERR "Running: $cmd\n"; |
455 |
> |
system "$cmd >> $dest"; |
456 |
> |
die "Failure running rcalc" if ( $? ); |
457 |
> |
open(DATOUT, ">> $dest"); |
458 |
> |
for (my $i = ($tensortree==3)*$ns*$ns*$ns/2; $i-- > 0; ) { |
459 |
> |
print DATOUT "0\n"; |
460 |
> |
} |
461 |
> |
print DATOUT "}\n"; |
462 |
> |
close DATOUT; |
463 |
> |
} |
464 |
|
} |
465 |
< |
print "{\n"; |
466 |
< |
system "$cmd" || die "Failure running rcalc"; |
467 |
< |
for (my $i = ($tensortree==3)*$ns*$ns*$ns/2; $i-- > 0; ) { |
407 |
< |
print "0\n"; |
465 |
> |
if ( "$spec" ne "$curspec" ) { |
466 |
> |
$wrapper .= " -s $spec"; |
467 |
> |
$curspec = $spec; |
468 |
|
} |
469 |
< |
print "}\n"; |
470 |
< |
} |
411 |
< |
print |
412 |
< |
' </ScatteringData> |
413 |
< |
</WavelengthDataBlock> |
414 |
< |
</WavelengthData> |
415 |
< |
'; |
416 |
< |
} # end of ttree_out() |
469 |
> |
$wrapper .= " -$typ $dest"; |
470 |
> |
} # end of ttree_comp() |
471 |
|
|
472 |
|
#------------- End of do_tree_bsdf() & subroutines -------------# |
473 |
|
|
474 |
|
#+++++++++++++++ Klems matrix BSDF generation +++++++++++++++# |
475 |
|
sub do_matrix_bsdf { |
476 |
< |
# Set up sampling of portal |
477 |
< |
# Kbin to produce incident direction in full Klems basis with (x1,x2) randoms |
478 |
< |
$tcal = 'DEGREE : PI/180; ' . |
479 |
< |
'sq(x) : x*x; ' . |
480 |
< |
'Kpola(r) : select(r+1, 0, 5, 15, 25, 35, 45, 55, 65, 75, 90); ' . |
481 |
< |
'Knaz(r) : select(r, 1, 8, 16, 20, 24, 24, 24, 16, 12); ' . |
482 |
< |
'Kaccum(r) : if(r-.5, Knaz(r) + Kaccum(r-1), 0); ' . |
483 |
< |
'Kmax : Kaccum(Knaz(0)); ' . |
484 |
< |
'Kfindrow(r, rem) : if(rem-Knaz(r)+.5, Kfindrow(r+1, rem-Knaz(r)), r); ' . |
485 |
< |
'Krow = if(Kbin-(Kmax-.5), 0, Kfindrow(1, Kbin)); ' . |
486 |
< |
'Kcol = Kbin - Kaccum(Krow-1); ' . |
487 |
< |
'Kazi = 360*DEGREE * (Kcol + (.5 - x2)) / Knaz(Krow); ' . |
488 |
< |
'Kpol = DEGREE * (x1*Kpola(Krow) + (1-x1)*Kpola(Krow-1)); ' . |
489 |
< |
'sin_kpol = sin(Kpol); ' . |
490 |
< |
'Dx = cos(Kazi)*sin_kpol; ' . |
491 |
< |
'Dy = sin(Kazi)*sin_kpol; ' . |
492 |
< |
'Dz = sqrt(1 - sin_kpol*sin_kpol); ' . |
493 |
< |
'KprojOmega = PI * if(Kbin-.5, ' . |
440 |
< |
'(sq(cos(Kpola(Krow-1)*DEGREE)) - sq(cos(Kpola(Krow)*DEGREE)))/Knaz(Krow), ' . |
441 |
< |
'1 - sq(cos(Kpola(1)*DEGREE))); '; |
442 |
< |
# Compute Klems bin from exiting ray direction (forward or backward) |
443 |
< |
$kcal = 'DEGREE : PI/180; ' . |
444 |
< |
'abs(x) : if(x, x, -x); ' . |
445 |
< |
'Acos(x) : if(x-1, 0, if(-1-x, PI, acos(x)))/DEGREE; ' . |
446 |
< |
'posangle(a) : if(-a, a + 2*PI, a); ' . |
447 |
< |
'Atan2(y,x) : posangle(atan2(y,x))/DEGREE; ' . |
448 |
< |
'kpola(r) : select(r, 5, 15, 25, 35, 45, 55, 65, 75, 90); ' . |
449 |
< |
'knaz(r) : select(r, 1, 8, 16, 20, 24, 24, 24, 16, 12); ' . |
450 |
< |
'kaccum(r) : if(r-.5, knaz(r) + kaccum(r-1), 0); ' . |
451 |
< |
'kfindrow(r, pol) : if(r-kpola(0)+.5, r, ' . |
452 |
< |
'if(pol-kpola(r), kfindrow(r+1, pol), r) ); ' . |
453 |
< |
'kazn(azi,inc) : if((360-.5*inc)-azi, floor((azi+.5*inc)/inc), 0); ' . |
454 |
< |
'kbin2(pol,azi) = select(kfindrow(1, pol), ' . |
455 |
< |
'kazn(azi,360/knaz(1)), ' . |
456 |
< |
'kaccum(1) + kazn(azi,360/knaz(2)), ' . |
457 |
< |
'kaccum(2) + kazn(azi,360/knaz(3)), ' . |
458 |
< |
'kaccum(3) + kazn(azi,360/knaz(4)), ' . |
459 |
< |
'kaccum(4) + kazn(azi,360/knaz(5)), ' . |
460 |
< |
'kaccum(5) + kazn(azi,360/knaz(6)), ' . |
461 |
< |
'kaccum(6) + kazn(azi,360/knaz(7)), ' . |
462 |
< |
'kaccum(7) + kazn(azi,360/knaz(8)), ' . |
463 |
< |
'kaccum(8) + kazn(azi,360/knaz(9)) ' . |
464 |
< |
'); ' . |
465 |
< |
'kbin = kbin2(Acos(abs(Dz)),Atan2(Dy,Dx));'; |
466 |
< |
my $ndiv = 145; |
467 |
< |
# Compute scattering data using rcontrib |
468 |
< |
my @tfarr; |
469 |
< |
my @rfarr; |
470 |
< |
my @tbarr; |
471 |
< |
my @rbarr; |
472 |
< |
my (@data,@line); # for windows |
473 |
< |
my $cmd; |
474 |
< |
my $rtcmd; |
475 |
< |
my $rccmd; |
476 |
< |
if ($windoz) { |
477 |
< |
$rtcmd = "rcontrib $rtargs -h -fo -n $nproc -c $nsamp " . |
478 |
< |
qq{-e "$kcal" -b kbin -bn $ndiv } . |
479 |
< |
qq{-o "$td\\%s.flt" -m $fmodnm -m $bmodnm $octree }; |
480 |
< |
$rccmd = qq{rcalc -e "$tcal" } . |
481 |
< |
qq{-e "mod(n,d):n-floor(n/d)*d" -e "Kbin=mod(recno-.999,$ndiv)" } . |
482 |
< |
q{ -e "$1=(0.265*$1+0.670*$2+0.065*$3)/KprojOmega" }; |
483 |
< |
} else { |
484 |
< |
$rtcmd = "rcontrib $rtargs -h -ff -fo -n $nproc -c $nsamp " . |
485 |
< |
"-e '$kcal' -b kbin -bn $ndiv " . |
486 |
< |
"-o '$td/%s.flt' -m $fmodnm -m $bmodnm $octree"; |
487 |
< |
$rccmd = "rcalc -e '$tcal' " . |
488 |
< |
"-e 'mod(n,d):n-floor(n/d)*d' -e 'Kbin=mod(recno-.999,$ndiv)' " . |
489 |
< |
q{-if3 -e '$1=(0.265*$1+0.670*$2+0.065*$3)/KprojOmega' }; |
490 |
< |
} |
491 |
< |
if ( $doforw ) { |
492 |
< |
if ($windoz) { |
493 |
< |
$cmd = qq{cnt $ndiv $ny $nx | rcalc -e "$tcal" } . |
494 |
< |
qq{-e "xp=(\$3+rand(.12*recno+288))*(($dim[1]-$dim[0])/$nx)+$dim[0]" } . |
495 |
< |
qq{-e "yp=(\$2+rand(.37*recno-44))*(($dim[3]-$dim[2])/$ny)+$dim[2]" } . |
496 |
< |
qq{-e "zp:$dim[4]" } . |
497 |
< |
q{-e "Kbin=$1;x1=rand(2.75*recno+3.1);x2=rand(-2.01*recno-3.37)" } . |
498 |
< |
q{-e "$1=xp-Dx;$2=yp-Dy;$3=zp-Dz;$4=Dx;$5=Dy;$6=Dz" } . |
499 |
< |
"| $rtcmd "; |
500 |
< |
} else { |
501 |
< |
$cmd = "cnt $ndiv $ny $nx | rcalc -of -e '$tcal' " . |
502 |
< |
"-e 'xp=(\$3+rand(.12*recno+288))*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . |
503 |
< |
"-e 'yp=(\$2+rand(.37*recno-44))*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . |
504 |
< |
"-e 'zp:$dim[4]' " . |
505 |
< |
q{-e 'Kbin=$1;x1=rand(2.75*recno+3.1);x2=rand(-2.01*recno-3.37)' } . |
506 |
< |
q{-e '$1=xp-Dx;$2=yp-Dy;$3=zp-Dz;$4=Dx;$5=Dy;$6=Dz' } . |
507 |
< |
"| $rtcmd"; |
476 |
> |
|
477 |
> |
# Run rfluxmtx processes to compute each side |
478 |
> |
do_matrix_dir(0) if ( $doback ); |
479 |
> |
do_matrix_dir(1) if ( $doforw ); |
480 |
> |
|
481 |
> |
} # end of sub do_matrix_bsdf() |
482 |
> |
|
483 |
> |
# Call rfluxmtx and process tensor tree BSDF for the given direction |
484 |
> |
sub do_matrix_dir { |
485 |
> |
my $forw = shift; |
486 |
> |
my $dop = do_phase(); |
487 |
> |
my $r = ($dop < 0) ? " -r" : ""; |
488 |
> |
my $sender = ($bsender,$fsender)[$forw]; |
489 |
> |
my $cmd = "$rfluxmtx$r -fd $sender $receivers -i $octree"; |
490 |
> |
if ( $dop ) { |
491 |
> |
# print STDERR "Running: $cmd\n"; |
492 |
> |
system $cmd; |
493 |
> |
die "Failure running rfluxmtx" if ( $? ); |
494 |
|
} |
495 |
< |
system "$cmd" || die "Failure running: $cmd\n"; |
496 |
< |
if ($windoz) { |
497 |
< |
@tfarr = `rcollate -h -oc 1 $td\\$fmodnm.flt | $rccmd`; |
498 |
< |
} else { |
499 |
< |
@tfarr = `$rccmd $td/$fmodnm.flt`; |
500 |
< |
} |
501 |
< |
die "Failure running: $rccmd $td/$fmodnm.flt\n" if ( $? ); |
502 |
< |
if ($windoz) { |
503 |
< |
@rfarr = `rcollate -h -oc 1 $td\\$bmodnm.flt | $rccmd`; |
518 |
< |
} else { |
519 |
< |
@rfarr = `$rccmd $td/$bmodnm.flt`; |
520 |
< |
} |
521 |
< |
die "Failure running: $rccmd $td/$bmodnm.flt\n" if ( $? ); |
522 |
< |
} |
523 |
< |
if ( $doback ) { |
524 |
< |
if ($windoz) { |
525 |
< |
$cmd = qq{cnt $ndiv $ny $nx | rcalc -e "$tcal" } . |
526 |
< |
qq{-e "xp=(\$3+rand(.35*recno-15))*(($dim[1]-$dim[0])/$nx)+$dim[0]" } . |
527 |
< |
qq{-e "yp=(\$2+rand(.86*recno+11))*(($dim[3]-$dim[2])/$ny)+$dim[2]" } . |
528 |
< |
qq{-e "zp:$dim[5]" } . |
529 |
< |
q{-e "Kbin=$1;x1=rand(1.21*recno+2.75);x2=rand(-3.55*recno-7.57)" } . |
530 |
< |
q{-e "$1=xp-Dx;$2=yp-Dy;$3=zp+Dz;$4=Dx;$5=Dy;$6=-Dz" } . |
531 |
< |
"| $rtcmd"; |
495 |
> |
matrix_out($forw); |
496 |
> |
} # end of do_matrix_dir() |
497 |
> |
|
498 |
> |
sub matrix_out { |
499 |
> |
my $forw = shift; |
500 |
> |
my ($refldat,$transdat); |
501 |
> |
if ( $forw ) { |
502 |
> |
$transdat = $facedat; |
503 |
> |
$refldat = $behinddat; |
504 |
|
} else { |
505 |
< |
$cmd = "cnt $ndiv $ny $nx | rcalc -of -e '$tcal' " . |
506 |
< |
"-e 'xp=(\$3+rand(.35*recno-15))*(($dim[1]-$dim[0])/$nx)+$dim[0]' " . |
535 |
< |
"-e 'yp=(\$2+rand(.86*recno+11))*(($dim[3]-$dim[2])/$ny)+$dim[2]' " . |
536 |
< |
"-e 'zp:$dim[5]' " . |
537 |
< |
q{-e 'Kbin=$1;x1=rand(1.21*recno+2.75);x2=rand(-3.55*recno-7.57)' } . |
538 |
< |
q{-e '$1=xp-Dx;$2=yp-Dy;$3=zp+Dz;$4=Dx;$5=Dy;$6=-Dz' } . |
539 |
< |
"| $rtcmd"; |
505 |
> |
$transdat = $behinddat; |
506 |
> |
$refldat = $facedat; |
507 |
|
} |
508 |
< |
system "$cmd" || die "Failure running: $cmd\n"; |
509 |
< |
if ($windoz) { |
510 |
< |
@tbarr = `rcollate -h -oc 1 $td\\$bmodnm.flt | $rccmd`; |
511 |
< |
} else { |
512 |
< |
@tbarr = `$rccmd $td/$bmodnm.flt`; |
513 |
< |
} |
547 |
< |
die "Failure running: $rccmd $td/$bmodnm.flt\n" if ( $? ); |
548 |
< |
chomp(@tbarr); |
549 |
< |
if ($windoz) { |
550 |
< |
@rbarr = `rcollate -h -oc 1 $td\\$fmodnm.flt | $rccmd`; |
551 |
< |
} else { |
552 |
< |
@rbarr = `$rccmd $td/$fmodnm.flt`; |
553 |
< |
} |
554 |
< |
die "Failure running: $rccmd $td/$fmodnm.flt\n" if ( $? ); |
555 |
< |
chomp(@rbarr); |
556 |
< |
} |
557 |
< |
|
558 |
< |
# Output angle basis |
559 |
< |
print |
560 |
< |
' <DataDefinition> |
561 |
< |
<IncidentDataStructure>Columns</IncidentDataStructure> |
562 |
< |
<AngleBasis> |
563 |
< |
<AngleBasisName>LBNL/Klems Full</AngleBasisName> |
564 |
< |
<AngleBasisBlock> |
565 |
< |
<Theta>0</Theta> |
566 |
< |
<nPhis>1</nPhis> |
567 |
< |
<ThetaBounds> |
568 |
< |
<LowerTheta>0</LowerTheta> |
569 |
< |
<UpperTheta>5</UpperTheta> |
570 |
< |
</ThetaBounds> |
571 |
< |
</AngleBasisBlock> |
572 |
< |
<AngleBasisBlock> |
573 |
< |
<Theta>10</Theta> |
574 |
< |
<nPhis>8</nPhis> |
575 |
< |
<ThetaBounds> |
576 |
< |
<LowerTheta>5</LowerTheta> |
577 |
< |
<UpperTheta>15</UpperTheta> |
578 |
< |
</ThetaBounds> |
579 |
< |
</AngleBasisBlock> |
580 |
< |
<AngleBasisBlock> |
581 |
< |
<Theta>20</Theta> |
582 |
< |
<nPhis>16</nPhis> |
583 |
< |
<ThetaBounds> |
584 |
< |
<LowerTheta>15</LowerTheta> |
585 |
< |
<UpperTheta>25</UpperTheta> |
586 |
< |
</ThetaBounds> |
587 |
< |
</AngleBasisBlock> |
588 |
< |
<AngleBasisBlock> |
589 |
< |
<Theta>30</Theta> |
590 |
< |
<nPhis>20</nPhis> |
591 |
< |
<ThetaBounds> |
592 |
< |
<LowerTheta>25</LowerTheta> |
593 |
< |
<UpperTheta>35</UpperTheta> |
594 |
< |
</ThetaBounds> |
595 |
< |
</AngleBasisBlock> |
596 |
< |
<AngleBasisBlock> |
597 |
< |
<Theta>40</Theta> |
598 |
< |
<nPhis>24</nPhis> |
599 |
< |
<ThetaBounds> |
600 |
< |
<LowerTheta>35</LowerTheta> |
601 |
< |
<UpperTheta>45</UpperTheta> |
602 |
< |
</ThetaBounds> |
603 |
< |
</AngleBasisBlock> |
604 |
< |
<AngleBasisBlock> |
605 |
< |
<Theta>50</Theta> |
606 |
< |
<nPhis>24</nPhis> |
607 |
< |
<ThetaBounds> |
608 |
< |
<LowerTheta>45</LowerTheta> |
609 |
< |
<UpperTheta>55</UpperTheta> |
610 |
< |
</ThetaBounds> |
611 |
< |
</AngleBasisBlock> |
612 |
< |
<AngleBasisBlock> |
613 |
< |
<Theta>60</Theta> |
614 |
< |
<nPhis>24</nPhis> |
615 |
< |
<ThetaBounds> |
616 |
< |
<LowerTheta>55</LowerTheta> |
617 |
< |
<UpperTheta>65</UpperTheta> |
618 |
< |
</ThetaBounds> |
619 |
< |
</AngleBasisBlock> |
620 |
< |
<AngleBasisBlock> |
621 |
< |
<Theta>70</Theta> |
622 |
< |
<nPhis>16</nPhis> |
623 |
< |
<ThetaBounds> |
624 |
< |
<LowerTheta>65</LowerTheta> |
625 |
< |
<UpperTheta>75</UpperTheta> |
626 |
< |
</ThetaBounds> |
627 |
< |
</AngleBasisBlock> |
628 |
< |
<AngleBasisBlock> |
629 |
< |
<Theta>82.5</Theta> |
630 |
< |
<nPhis>12</nPhis> |
631 |
< |
<ThetaBounds> |
632 |
< |
<LowerTheta>75</LowerTheta> |
633 |
< |
<UpperTheta>90</UpperTheta> |
634 |
< |
</ThetaBounds> |
635 |
< |
</AngleBasisBlock> |
636 |
< |
</AngleBasis> |
637 |
< |
</DataDefinition> |
638 |
< |
'; |
639 |
< |
if ( $doforw ) { |
640 |
< |
print |
641 |
< |
' <WavelengthData> |
642 |
< |
<LayerNumber>System</LayerNumber> |
643 |
< |
<Wavelength unit="Integral">Visible</Wavelength> |
644 |
< |
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
645 |
< |
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
646 |
< |
<WavelengthDataBlock> |
647 |
< |
<WavelengthDataDirection>Transmission Front</WavelengthDataDirection> |
648 |
< |
<ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> |
649 |
< |
<RowAngleBasis>LBNL/Klems Full</RowAngleBasis> |
650 |
< |
<ScatteringDataType>BTDF</ScatteringDataType> |
651 |
< |
<ScatteringData> |
652 |
< |
'; |
653 |
< |
# Output front transmission (transposed order) |
654 |
< |
for (my $od = 0; $od < $ndiv; $od++) { |
655 |
< |
for (my $id = 0; $id < $ndiv; $id++) { |
656 |
< |
chomp $tfarr[$ndiv*$id + $od]; |
657 |
< |
print $tfarr[$ndiv*$id + $od], ",\t"; |
508 |
> |
# Output transmission |
509 |
> |
my $ttyp = ("tb","tf")[$forw]; |
510 |
> |
matrix_comp($ttyp, "Visible", $transdat, ($tb,$tf)[$forw]); |
511 |
> |
if ( $docolor ) { |
512 |
> |
matrix_comp($ttyp, "CIE-X", $transdat, ($tbx,$tfx)[$forw]); |
513 |
> |
matrix_comp($ttyp, "CIE-Z", $transdat, ($tbz,$tfz)[$forw]); |
514 |
|
} |
515 |
< |
print "\n"; |
516 |
< |
} |
517 |
< |
print |
518 |
< |
' </ScatteringData> |
519 |
< |
</WavelengthDataBlock> |
520 |
< |
</WavelengthData> |
665 |
< |
<WavelengthData> |
666 |
< |
<LayerNumber>System</LayerNumber> |
667 |
< |
<Wavelength unit="Integral">Visible</Wavelength> |
668 |
< |
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
669 |
< |
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
670 |
< |
<WavelengthDataBlock> |
671 |
< |
<WavelengthDataDirection>Reflection Front</WavelengthDataDirection> |
672 |
< |
<ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> |
673 |
< |
<RowAngleBasis>LBNL/Klems Full</RowAngleBasis> |
674 |
< |
<ScatteringDataType>BTDF</ScatteringDataType> |
675 |
< |
<ScatteringData> |
676 |
< |
'; |
677 |
< |
# Output front reflection (transposed order) |
678 |
< |
for (my $od = 0; $od < $ndiv; $od++) { |
679 |
< |
for (my $id = 0; $id < $ndiv; $id++) { |
680 |
< |
chomp $rfarr[$ndiv*$id + $od]; |
681 |
< |
print $rfarr[$ndiv*$id + $od], ",\t"; |
515 |
> |
# Output reflection |
516 |
> |
my $rtyp = ("rb","rf")[$forw]; |
517 |
> |
matrix_comp($rtyp, "Visible", $refldat, ($rb,$rf)[$forw]); |
518 |
> |
if ( $docolor ) { |
519 |
> |
matrix_comp($rtyp, "CIE-X", $refldat, ($rbx,$rfx)[$forw]); |
520 |
> |
matrix_comp($rtyp, "CIE-Z", $refldat, ($rbz,$rfz)[$forw]); |
521 |
|
} |
522 |
< |
print "\n"; |
523 |
< |
} |
524 |
< |
print |
525 |
< |
' </ScatteringData> |
526 |
< |
</WavelengthDataBlock> |
527 |
< |
</WavelengthData> |
528 |
< |
'; |
529 |
< |
} |
530 |
< |
if ( $doback ) { |
531 |
< |
print |
532 |
< |
' <WavelengthData> |
533 |
< |
<LayerNumber>System</LayerNumber> |
534 |
< |
<Wavelength unit="Integral">Visible</Wavelength> |
535 |
< |
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
536 |
< |
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
698 |
< |
<WavelengthDataBlock> |
699 |
< |
<WavelengthDataDirection>Transmission Back</WavelengthDataDirection> |
700 |
< |
<ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> |
701 |
< |
<RowAngleBasis>LBNL/Klems Full</RowAngleBasis> |
702 |
< |
<ScatteringDataType>BTDF</ScatteringDataType> |
703 |
< |
<ScatteringData> |
704 |
< |
'; |
705 |
< |
# Output back transmission (transposed order) |
706 |
< |
for (my $od = 0; $od < $ndiv; $od++) { |
707 |
< |
for (my $id = 0; $id < $ndiv; $id++) { |
708 |
< |
chomp $tbarr[$ndiv*$id + $od]; |
709 |
< |
print $tbarr[$ndiv*$id + $od], ",\t"; |
522 |
> |
} # end of matrix_out() |
523 |
> |
|
524 |
> |
# Transpose matrix component data and save to file |
525 |
> |
sub matrix_comp { |
526 |
> |
my $typ = shift; |
527 |
> |
my $spec = shift; |
528 |
> |
my $src = shift; |
529 |
> |
my $dest = shift; |
530 |
> |
my $cmd = "rmtxop -fa -t"; |
531 |
> |
if ("$spec" eq "Visible") { |
532 |
> |
$cmd .= " -c 0.2651 0.6701 0.0648"; |
533 |
> |
} elsif ("$spec" eq "CIE-X") { |
534 |
> |
$cmd .= " -c 0.5141 0.3239 0.1620"; |
535 |
> |
} elsif ("$spec" eq "CIE-Z") { |
536 |
> |
$cmd .= " -c 0.0241 0.1229 0.8530"; |
537 |
|
} |
538 |
< |
print "\n"; |
539 |
< |
} |
540 |
< |
print |
541 |
< |
' </ScatteringData> |
542 |
< |
</WavelengthDataBlock> |
716 |
< |
</WavelengthData> |
717 |
< |
<WavelengthData> |
718 |
< |
<LayerNumber>System</LayerNumber> |
719 |
< |
<Wavelength unit="Integral">Visible</Wavelength> |
720 |
< |
<SourceSpectrum>CIE Illuminant D65 1nm.ssp</SourceSpectrum> |
721 |
< |
<DetectorSpectrum>ASTM E308 1931 Y.dsp</DetectorSpectrum> |
722 |
< |
<WavelengthDataBlock> |
723 |
< |
<WavelengthDataDirection>Reflection Back</WavelengthDataDirection> |
724 |
< |
<ColumnAngleBasis>LBNL/Klems Full</ColumnAngleBasis> |
725 |
< |
<RowAngleBasis>LBNL/Klems Full</RowAngleBasis> |
726 |
< |
<ScatteringDataType>BTDF</ScatteringDataType> |
727 |
< |
<ScatteringData> |
728 |
< |
'; |
729 |
< |
# Output back reflection (transposed order) |
730 |
< |
for (my $od = 0; $od < $ndiv; $od++) { |
731 |
< |
for (my $id = 0; $id < $ndiv; $id++) { |
732 |
< |
chomp $rbarr[$ndiv*$id + $od]; |
733 |
< |
print $rbarr[$ndiv*$id + $od], ",\t"; |
538 |
> |
$cmd .= " $src | rcollate -ho -oc 145"; |
539 |
> |
run_check "$cmd > $dest"; |
540 |
> |
if ( "$spec" ne "$curspec" ) { |
541 |
> |
$wrapper .= " -s $spec"; |
542 |
> |
$curspec = $spec; |
543 |
|
} |
544 |
< |
print "\n"; |
545 |
< |
} |
546 |
< |
print |
547 |
< |
' </ScatteringData> |
739 |
< |
</WavelengthDataBlock> |
740 |
< |
</WavelengthData> |
741 |
< |
'; |
742 |
< |
} |
743 |
< |
} |
744 |
< |
#------------- End of do_matrix_bsdf() --------------# |
544 |
> |
$wrapper .= " -$typ $dest"; |
545 |
> |
} # end of matrix_comp() |
546 |
> |
|
547 |
> |
#------------- End of do_matrix_bsdf() & subroutines --------------# |