9 |
|
my $windoz = ($^O eq "MSWin32" or $^O eq "MSWin64"); |
10 |
|
use File::Temp qw/ :mktemp /; |
11 |
|
sub userror { |
12 |
< |
print STDERR "Usage: genBSDF [-n Nproc][-c Nsamp][-W][-t{3|4} Nlog2][-r \"ropts\"][-s \"x=string;y=string\"][-dim xmin xmax ymin ymax zmin zmax][{+|-}C][{+|-}f][{+|-}b][{+|-}mgf][{+|-}geom units] [input ..]\n"; |
12 |
> |
print STDERR "Usage: genBSDF [-n Nproc][-c Nsamp][-W][-t{3|4} Nlog2][-r \"ropts\"][-s \"x=string;y=string\"][-dim xmin xmax ymin ymax zmin zmax][{+|-}C][{+|-}a][{+|-}f][{+|-}b][{+|-}mgf][{+|-}geom units] [input ..]\n"; |
13 |
|
exit 1; |
14 |
|
} |
15 |
|
my ($td,$radscn,$mgfscn,$octree,$fsender,$bsender,$receivers,$facedat,$behinddat,$rmtmp); |
88 |
|
my $wrapper = "wrapBSDF"; |
89 |
|
my $tensortree = 0; |
90 |
|
my $ttlog2 = 4; |
91 |
+ |
my $dorecip = 1; |
92 |
|
my $nsamp = 2000; |
93 |
|
my $mgfin = 0; |
94 |
|
my $geout = 1; |
116 |
|
shift @ARGV; |
117 |
|
} elsif ("$ARGV[0]" =~ /^[-+]C/) { |
118 |
|
$docolor = ("$ARGV[0]" =~ /^\+/); |
119 |
+ |
} elsif ("$ARGV[0]" =~ /^[-+]a/) { |
120 |
+ |
$dorecip = ("$ARGV[0]" =~ /^\+/); |
121 |
|
} elsif ("$ARGV[0]" =~ /^[-+]f/) { |
122 |
|
$doforw = ("$ARGV[0]" =~ /^\+/); |
123 |
|
} elsif ("$ARGV[0]" =~ /^[-+]b/) { |
190 |
|
'Yi=.2651*Ri+.6701*Gi+.0648*Bi;' . |
191 |
|
'Zi=.0241*Ri+.1229*Gi+.8530*Bi;' . |
192 |
|
'den=Xi+15*Yi+3*Zi;' . |
193 |
< |
'uprime=4*Xi/den;vprime=9*Yi/den;' ; |
193 |
> |
'uprime=if(Yi,4*Xi/den,4/19);' . |
194 |
> |
'vprime=if(Yi,9*Yi/den,9/19);' ; |
195 |
|
my $FEPS = 1e-5; |
196 |
|
my $ns = 2**$ttlog2; |
197 |
|
my $nx = int(sqrt($nsamp*($dim[1]-$dim[0])/($dim[3]-$dim[2])) + 1); |
205 |
|
} |
206 |
|
close MYAVH; |
207 |
|
# Generate octree |
208 |
< |
system "oconv -w -f $radscn > $octree"; |
208 |
> |
system "oconv -w $radscn > $octree"; |
209 |
|
die "Could not compile scene\n" if ( $? ); |
210 |
|
# Add MGF description if requested |
211 |
|
if ( $geout ) { |
323 |
|
qq{| rcalc -e "r1=rand(.8681*recno-.673892)" } . |
324 |
|
qq{-e "r2=rand(-5.37138*recno+67.1737811)" } . |
325 |
|
qq{-e "r3=rand(+3.17603772*recno+83.766771)" } . |
326 |
< |
qq{-e "Dx=1-2*(\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)" } . |
326 |
> |
qq{-e "r4=rand(-1.5839226*recno-59.82712)" } . |
327 |
> |
qq{-e "Dx=1-2*(\$1+r1)/$ns" } . |
328 |
> |
qq{-e "Dy=min(1/$ns,sqrt(1-Dx*Dx))*(2*r2-1)" } . |
329 |
> |
qq{-e "Dz=sqrt(1-Dx*Dx-Dy*Dy)" } . |
330 |
|
qq{-e "xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]" } . |
331 |
|
qq{-e "yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]" } . |
332 |
|
qq{-e "zp=$dim[5-$forw]" -e "myDz=Dz*($forw*2-1)" } . |
338 |
|
qq{| rcalc -e 'r1=rand(.8681*recno-.673892)' } . |
339 |
|
qq{-e 'r2=rand(-5.37138*recno+67.1737811)' } . |
340 |
|
qq{-e 'r3=rand(+3.17603772*recno+83.766771)' } . |
341 |
< |
qq{-e 'Dx=1-2*(\$1+r1)/$ns;Dy:0;Dz=sqrt(1-Dx*Dx)' } . |
342 |
< |
qq{-e 'xp=(\$3+r2)*(($dim[1]-$dim[0])/$nx)+$dim[0]' } . |
343 |
< |
qq{-e 'yp=(\$2+r3)*(($dim[3]-$dim[2])/$ny)+$dim[2]' } . |
341 |
> |
qq{-e 'r4=rand(-1.5839226*recno-59.82712)' } . |
342 |
> |
qq{-e 'Dx=1-2*(\$1+r1)/$ns' } . |
343 |
> |
qq{-e 'Dy=min(1/$ns,sqrt(1-Dx*Dx))*(2*r2-1)' } . |
344 |
> |
qq{-e 'Dz=sqrt(1-Dx*Dx-Dy*Dy)' } . |
345 |
> |
qq{-e 'xp=(\$3+r3)*(($dim[1]-$dim[0])/$nx)+$dim[0]' } . |
346 |
> |
qq{-e 'yp=(\$2+r4)*(($dim[3]-$dim[2])/$ny)+$dim[2]' } . |
347 |
|
qq{-e 'zp=$dim[5-$forw]' -e 'myDz=Dz*($forw*2-1)' } . |
348 |
|
qq{-e '\$1=xp-Dx;\$2=yp-Dy;\$3=zp-myDz' } . |
349 |
|
qq{-e '\$4=Dx;\$5=Dy;\$6=myDz' -of } . |
434 |
|
} |
435 |
|
} |
436 |
|
if ($pctcull >= 0) { |
437 |
< |
my $avg = ( "$typ" =~ /^r[fb]/ ) ? " -a" : ""; |
437 |
> |
my $avg = ( $dorecip && "$typ" =~ /^r[fb]/ ) ? " -a" : ""; |
438 |
|
my $pcull = ("$spec" eq "Visible") ? $pctcull : |
439 |
|
(100 - (100-$pctcull)*.25) ; |
440 |
|
if ($windoz) { |