1 |
#!/usr/bin/perl -w |
2 |
|
3 |
# stich.pl |
4 |
# |
5 |
# 10/15/07 22:02:18 CEST Dobrica Pavlinusic <dpavlin@rot13.org> |
6 |
|
7 |
use strict; |
8 |
|
9 |
use File::Find; |
10 |
use Data::Dump qw/dump/; |
11 |
use Imager; |
12 |
use Getopt::Long; |
13 |
|
14 |
# Mireo 1, Google 0 |
15 |
my $flip_vertical = 0; |
16 |
|
17 |
GetOptions( |
18 |
'flip-vertical' => \$flip_vertical, |
19 |
); |
20 |
|
21 |
my $path = shift @ARGV || die "usage: $0 path_to_dump_dir\n"; |
22 |
|
23 |
my ( $range, $usage ); |
24 |
|
25 |
my @files; |
26 |
my $file_pos; |
27 |
|
28 |
find( sub { |
29 |
return unless -f $_; |
30 |
|
31 |
if ( $_ =~ m/(\d+)-(\d+)/ ) { |
32 |
|
33 |
push @files, $_; |
34 |
|
35 |
my ( $x, $y ) = ( $1, $2 ); |
36 |
|
37 |
$range->{min}->{x} = $x if not defined $range->{min}->{x} or $x < $range->{min}->{x}; |
38 |
$range->{max}->{x} = $x if not defined $range->{max}->{x} or $x > $range->{max}->{x}; |
39 |
|
40 |
$range->{min}->{y} = $y if not defined $range->{min}->{y} or $y < $range->{min}->{y}; |
41 |
$range->{max}->{y} = $y if not defined $range->{max}->{y} or $y > $range->{max}->{y}; |
42 |
|
43 |
$usage->{x}->{$x}++; |
44 |
$usage->{y}->{$y}++; |
45 |
|
46 |
$file_pos->{$_} = { x => $x, y => $y }; |
47 |
|
48 |
warn "## $_\n"; |
49 |
|
50 |
} else { |
51 |
|
52 |
warn "SKIPPED: $_\n"; |
53 |
} |
54 |
|
55 |
|
56 |
|
57 |
}, $path ); |
58 |
|
59 |
print "range = ",dump( $range ), "\n"; |
60 |
print "usage = ",dump( $usage ). "\n"; |
61 |
|
62 |
my $step_size; |
63 |
|
64 |
foreach my $axis ( 'x', 'y' ) { |
65 |
|
66 |
my $last = $range->{min}->{$axis}; |
67 |
|
68 |
foreach my $v ( sort keys %{$usage->{$axis}} ) { |
69 |
|
70 |
next if $v == $last; |
71 |
|
72 |
$step_size->{$axis}->{ $v - $last }++; |
73 |
$last = $v; |
74 |
|
75 |
} |
76 |
undef $last; |
77 |
} |
78 |
|
79 |
print "step_size = ",dump( $step_size ),"\n"; |
80 |
|
81 |
my $step = { |
82 |
x => ( sort { $step_size->{x}->{$b} <=> $step_size->{x}->{$a} } keys %{ $step_size->{x} } )[0], |
83 |
y => ( sort { $step_size->{y}->{$b} <=> $step_size->{y}->{$a} } keys %{ $step_size->{y} } )[0], |
84 |
}; |
85 |
|
86 |
print "selected step = ",dump( $step ),"\n"; |
87 |
|
88 |
|
89 |
my $img = Imager->new(); |
90 |
$img->read( file => $path . '/' . $files[0] ) or die $img->errstr(); |
91 |
my $tile_size = { |
92 |
x => $img->getwidth, |
93 |
y => $img->getheight, |
94 |
}; |
95 |
|
96 |
print "tile_size = ",dump( $tile_size ),"\n"; |
97 |
|
98 |
my $x_tiles = ( $range->{max}->{x} - $range->{min}->{x} ) / $step->{x}; |
99 |
my $y_tiles = ( $range->{max}->{y} - $range->{min}->{y} ) / $step->{y}; |
100 |
|
101 |
my $x_size = $x_tiles * $tile_size->{x}; |
102 |
my $y_size = $y_tiles * $tile_size->{y}; |
103 |
|
104 |
print "final map size: $x_size x $y_size from $x_tiles x $y_tiles tiles\n"; |
105 |
|
106 |
my $map = Imager->new( xsize => $x_size, ysize => $y_size ) or $img->errstr(); |
107 |
|
108 |
foreach my $tile_file ( @files ) { |
109 |
$img->read( file => "$path/$tile_file" ) or die $img->errstr(); |
110 |
|
111 |
# this is specific to globe position, I guess ... this is europe |
112 |
my $x = ( $file_pos->{$tile_file}->{x} - $range->{min}->{x} ) / $step->{x}; |
113 |
my $y; |
114 |
if ( $flip_vertical ) { |
115 |
$y = ( $range->{max}->{y} - $file_pos->{$tile_file}->{y} ) / $step->{y}; |
116 |
} else { |
117 |
$y = ( $file_pos->{$tile_file}->{y} - $range->{min}->{y} ) / $step->{y}; |
118 |
} |
119 |
|
120 |
printf("%3dx%-3d %s\n", $x, $y, $tile_file); |
121 |
|
122 |
$map->paste( |
123 |
src => $img, |
124 |
left => $x * $tile_size->{x}, |
125 |
top => $y * $tile_size->{y}, |
126 |
); |
127 |
} |
128 |
|
129 |
$path =~ s/\W+/_/g; |
130 |
$path =~ s/^_+//; |
131 |
$path =~ s/_+$//; |
132 |
|
133 |
$map->write( file => "$path.png" ) or die $img->errstr(); |