| 13 |
|
use File::Temp qw/ tempdir /; |
| 14 |
|
my $td = tempdir( CLEANUP => 1 ); |
| 15 |
|
|
| 16 |
< |
my $res = 1024; # Default output image dimensions. Same as objpict. |
| 16 |
> |
my $res = 1024; # Default output image dimensions. Same as objpict. |
| 17 |
|
my $tiny = 0.01; |
| 18 |
< |
my $maxsize = 0.001; # max luminaire size after scaling |
| 18 |
> |
my $maxsize = 0.001; # max luminaire size after scaling |
| 19 |
|
my $is_ies = 0; |
| 20 |
|
|
| 21 |
|
my $ies = "$td/dist.ies"; |
| 22 |
< |
my $lumi = "$td/lumi.rad"; # Fitting given on cmd line, or generated by ies2rad |
| 23 |
< |
my $lumi2 = "$td/lumi2.rad"; # Fitting scaled to size |
| 22 |
> |
my $lumi = "$td/lumi.rad"; # Fitting given on cmd line, or generated by ies2rad |
| 23 |
> |
my $lumi2 = "$td/lumi2.rad"; # Fitting scaled to size |
| 24 |
|
my $mat = "$td/lt.mat"; |
| 25 |
|
my $room1 = "$td/room1.rad"; |
| 26 |
|
my $room2 = "$td/room2.rad"; |
| 33 |
|
|
| 34 |
|
# Parse command line arguments |
| 35 |
|
while (@ARGV) { |
| 36 |
< |
$_ = $ARGV[0]; |
| 37 |
< |
if (m/-i/) { # File is an IES file, not a Radiance luminaire |
| 38 |
< |
$is_ies = 1; |
| 39 |
< |
} elsif (m/-d/) { # Resolution of the output HDR image |
| 40 |
< |
$res = $ARGV[1]; |
| 41 |
< |
shift @ARGV; |
| 42 |
< |
} elsif (m/^-\w/) { # Oops! Illegal option |
| 36 |
> |
$_ = $ARGV[0]; |
| 37 |
> |
if (m/-i/) { # File is an IES file, not a Radiance luminaire |
| 38 |
> |
$is_ies = 1; |
| 39 |
> |
} elsif (m/-d/) { # Resolution of the output HDR image |
| 40 |
> |
$res = $ARGV[1]; |
| 41 |
> |
shift @ARGV; |
| 42 |
> |
} elsif (m/^-\w/) { # Oops! Illegal option |
| 43 |
|
die("ltpict: bad option '$_'\n"); |
| 44 |
|
} else { |
| 45 |
< |
last; # No more options. What's left is the actual file name. |
| 46 |
< |
} |
| 45 |
> |
last; # No more options. What's left is the actual file name. |
| 46 |
> |
} |
| 47 |
|
shift @ARGV; |
| 48 |
|
} |
| 49 |
|
|
| 50 |
< |
if ($is_ies == 0) { |
| 51 |
< |
# Input file is a Radiance luminaire |
| 52 |
< |
$lumi = $ARGV[0]; |
| 50 |
> |
# We need exactly one Radiance luminaires or IES file |
| 51 |
> |
if ( !$#ARGV == 0 ) { |
| 52 |
> |
die("ltpict: Need one Radiance luminaire or IES file.\n"); |
| 53 |
> |
} elsif ( $is_ies == 0 ) { |
| 54 |
> |
|
| 55 |
> |
# Input file is a Radiance luminaire |
| 56 |
> |
$lumi = $ARGV[0]; |
| 57 |
|
} else { |
| 58 |
< |
# Input file is IES photometry |
| 59 |
< |
system "ies2rad -p $td -o lumi $ARGV[0]"; |
| 58 |
> |
|
| 59 |
> |
# Input file is IES photometry |
| 60 |
> |
system qq[ ies2rad -p $td -o lumi "$ARGV[0]" ]; |
| 61 |
|
} |
| 62 |
|
|
| 63 |
|
my $res2 = $res / 2; # Each rendering is half the size of final composite |
| 64 |
|
|
| 65 |
|
# Scale luminaire and center at origin |
| 66 |
< |
my $dimstr = `getbbox -h $lumi`; |
| 66 |
> |
my $dimstr = `getbbox -h "$lumi"`; |
| 67 |
|
chomp $dimstr; |
| 68 |
+ |
|
| 69 |
|
# Values returned by getbbox are indented and delimited with multiple spaces. |
| 70 |
< |
$dimstr =~ s/^\s+//; # remove leading spaces |
| 71 |
< |
my @dims = split(/\s+/, $dimstr); # convert to array |
| 70 |
> |
$dimstr =~ s/^\s+//; # remove leading spaces |
| 71 |
> |
my @dims = split( /\s+/, $dimstr ); # convert to array |
| 72 |
|
|
| 73 |
|
# Find largest axes-aligned dimension |
| 74 |
< |
my @diffs = ($dims[1]-$dims[0], $dims[3]-$dims[2], $dims[5]-$dims[4]); |
| 74 |
> |
my @diffs = ( $dims[1] - $dims[0], $dims[3] - $dims[2], $dims[5] - $dims[4] ); |
| 75 |
|
@diffs = reverse sort { $a <=> $b } @diffs; |
| 76 |
|
my $size = $diffs[0]; |
| 77 |
|
|
| 78 |
|
# Move luminaire so centre is at origin, and scale |
| 79 |
< |
my $xtrans = -1.0 * ($dims[0] + $dims[1]) / 2; |
| 80 |
< |
my $ytrans = -1.0 * ($dims[2] + $dims[3]) / 2; |
| 81 |
< |
my $ztrans = -1.0 * ($dims[4] + $dims[5]) / 2; |
| 82 |
< |
my $scale = $maxsize / $size; |
| 79 |
> |
my $xtrans = -1.0 * ( $dims[0] + $dims[1] ) / 2; |
| 80 |
> |
my $ytrans = -1.0 * ( $dims[2] + $dims[3] ) / 2; |
| 81 |
> |
my $ztrans = -1.0 * ( $dims[4] + $dims[5] ) / 2; |
| 82 |
> |
my $scale = $maxsize / $size; |
| 83 |
> |
system qq[ xform -t $xtrans $ytrans $ztrans "$lumi" > $lumi2 ]; |
| 84 |
|
|
| 78 |
– |
open(FH, ">$lumi2") or |
| 79 |
– |
die("ltpict: Cannot write to temporary file $lumi"); |
| 80 |
– |
print FH "!xform -t $xtrans $ytrans $ztrans -s $scale $lumi"; |
| 81 |
– |
close FH; |
| 82 |
– |
|
| 83 |
– |
|
| 85 |
|
# Material for the room |
| 86 |
< |
open(FH, ">$mat") or |
| 87 |
< |
die("ltpict: Cannot write to temporary file $mat"); |
| 86 |
> |
open( FH, ">$mat" ) |
| 87 |
> |
or die("ltpict: Cannot write to temporary file $mat"); |
| 88 |
|
print FH "void plastic wall_mat 0 0 5 .5 .5 .5 0 0"; |
| 89 |
|
close FH; |
| 90 |
|
|
| 90 |
– |
|
| 91 |
|
# Different 'room' geometry for different views |
| 92 |
< |
my $o = 0.1; # Offset |
| 92 |
> |
my $o = 0.1; # Offset |
| 93 |
|
|
| 94 |
|
# C0-C180 |
| 95 |
< |
open(FH, ">$room1") or |
| 96 |
< |
die("ltpict: Cannot write to temporary file $room1"); |
| 97 |
< |
print FH "wall_mat polygon box.4620 0 0 12 -$o -5 5 -$o 5 5 -$o 5 -5 -$o -5 -5"; |
| 95 |
> |
open( FH, ">$room1" ) |
| 96 |
> |
or die("ltpict: Cannot write to temporary file $room1"); |
| 97 |
> |
print FH |
| 98 |
> |
"wall_mat polygon box.4620 0 0 12 -$o -5 5 -$o 5 5 -$o 5 -5 -$o -5 -5"; |
| 99 |
|
close(FH); |
| 100 |
|
|
| 101 |
|
# C90-C270 |
| 102 |
< |
open(FH, ">$room2") or |
| 103 |
< |
die("ltpict: Cannot write to temporary file $room2"); |
| 104 |
< |
print FH "wall_mat polygon box.1540 0 0 12 5 $o -5 5 $o 5 -5 $o 5 -5 $o -5"; |
| 102 |
> |
open( FH, ">$room2" ) |
| 103 |
> |
or die("ltpict: Cannot write to temporary file $room2"); |
| 104 |
> |
print FH |
| 105 |
> |
"wall_mat polygon box.1540 0 0 12 5 $o -5 5 $o 5 -5 $o 5 -5 $o -5"; |
| 106 |
|
close(FH); |
| 107 |
|
|
| 108 |
|
# Lower hemisphere |
| 109 |
< |
open(FH, ">$room3") or |
| 110 |
< |
die("ltpict: Cannot write to temporary file $room3"); |
| 109 |
> |
open( FH, ">$room3" ) |
| 110 |
> |
or die("ltpict: Cannot write to temporary file $room3"); |
| 111 |
|
print FH "wall_mat bubble lower 0 0 4 0 0 $dims[4] 5"; |
| 112 |
|
close(FH); |
| 113 |
|
|
| 114 |
|
# Upper hemisphere |
| 115 |
< |
open(FH, ">$room4") or |
| 116 |
< |
die("ltpict: Cannot write to temporary file $room4"); |
| 115 |
> |
open( FH, ">$room4" ) |
| 116 |
> |
or die("ltpict: Cannot write to temporary file $room4"); |
| 117 |
|
print FH "wall_mat bubble upper 0 0 4 0 0 $dims[5] 5"; |
| 118 |
|
close(FH); |
| 119 |
|
|
| 118 |
– |
|
| 120 |
|
# Call bbox again, for the translated and scaled luminaire. |
| 121 |
|
$dimstr = `getbbox -h $lumi2`; |
| 122 |
|
chomp $dimstr; |
| 123 |
+ |
|
| 124 |
|
# Values returned by getbbox are indented and delimited with multiple spaces. |
| 125 |
< |
$dimstr =~ s/^\s+//; # remove leading spaces |
| 126 |
< |
@dims = split(/\s+/, $dimstr); # convert to array |
| 125 |
> |
$dimstr =~ s/^\s+//; # remove leading spaces |
| 126 |
> |
@dims = split( /\s+/, $dimstr ); # convert to array |
| 127 |
|
|
| 128 |
|
# Define the four views |
| 129 |
< |
my $vw1 = "-vtl -vp 4.5 0 0 -vd -1 0 0 -vh 10 -vv 10"; |
| 130 |
< |
my $vw2 = "-vtl -vp 0 -4.5 0 -vd 0 1 0 -vh 10 -vv 10"; |
| 129 |
> |
my $vw1 = "-vtl -vp 4.5 0 0 -vd -1 0 0 -vh 10 -vv 10"; |
| 130 |
> |
my $vw2 = "-vtl -vp 0 -4.5 0 -vd 0 1 0 -vh 10 -vv 10"; |
| 131 |
|
my $zcent3 = $dims[4] - $tiny; |
| 132 |
< |
my $vw3 = "-vta -vp 0 0 $zcent3 -vd 0 0 -1 -vu 0 1 0 -vh 180 -vv 180"; |
| 132 |
> |
my $vw3 = "-vta -vp 0 0 $zcent3 -vd 0 0 -1 -vu 0 1 0 -vh 180 -vv 180"; |
| 133 |
|
my $zcent4 = $dims[5] + $tiny; |
| 134 |
< |
my $vw4 = "-vta -vp 0 0 $zcent4 -vd 0 0 1 -vu 0 1 0 -vh 180 -vv 180"; |
| 134 |
> |
my $vw4 = "-vta -vp 0 0 $zcent4 -vd 0 0 1 -vu 0 1 0 -vh 180 -vv 180"; |
| 135 |
|
|
| 136 |
+ |
# Compile octrees |
| 137 |
|
system "oconv $mat $room1 $lumi2 > $oct1"; |
| 138 |
|
system "oconv $mat $room2 $lumi2 > $oct2"; |
| 139 |
|
system "oconv $mat $room3 $lumi2 > $oct3"; |
| 147 |
|
system "$rpict_cmd $vw4 $oct4 > $td/up.hdr"; |
| 148 |
|
|
| 149 |
|
# Compose the four views into one image |
| 150 |
< |
my $vtl = "$td/vtl.hdr"; # The two parallel views |
| 151 |
< |
my $vta = "$td/vta.hdr"; # The two fisheye views |
| 150 |
> |
my $vtl = "$td/vtl.hdr"; # The two parallel views |
| 151 |
> |
my $vta = "$td/vta.hdr"; # The two fisheye views |
| 152 |
|
|
| 153 |
|
# Auto-expose right/front and down/up pairs separately |
| 154 |
|
my $pcond_cmd = "pcond -l"; |
