/[maps]/stich.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Revision 4 - (show annotations)
Mon Oct 15 21:57:50 2007 UTC (14 years ago) by dpavlin
File MIME type: text/plain
File size: 2714 byte(s)
name dumps based on input path
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
13 my $path = shift @ARGV || die "usage: $0 path_to_dump_dir\n";
14
15 my ( $range, $usage );
16
17 my @files;
18 my $file_pos;
19
20 find( sub {
21 return unless -f $_;
22
23 if ( $_ =~ m/(\d+)-(\d+)/ ) {
24
25 push @files, $_;
26
27 my ( $x, $y ) = ( $1, $2 );
28
29 $range->{min}->{x} = $x if not defined $range->{min}->{x} or $x < $range->{min}->{x};
30 $range->{max}->{x} = $x if not defined $range->{max}->{x} or $x > $range->{max}->{x};
31
32 $range->{min}->{y} = $y if not defined $range->{min}->{y} or $y < $range->{min}->{y};
33 $range->{max}->{y} = $y if not defined $range->{max}->{y} or $y > $range->{max}->{y};
34
35 $usage->{x}->{$x}++;
36 $usage->{y}->{$y}++;
37
38 $file_pos->{$_} = { x => $x, y => $y };
39
40 warn "## $_\n";
41
42 } else {
43
44 warn "SKIPPED: $_\n";
45 }
46
47
48
49 }, $path );
50
51 print "range = ",dump( $range ), "\n";
52 print "usage = ",dump( $usage ). "\n";
53
54 my $step_size;
55
56 foreach my $axis ( 'x', 'y' ) {
57
58 my $last = $range->{min}->{$axis};
59
60 foreach my $v ( sort keys %{$usage->{$axis}} ) {
61
62 next if $v == $last;
63
64 $step_size->{$axis}->{ $v - $last }++;
65 $last = $v;
66
67 }
68 undef $last;
69 }
70
71 print "step_size = ",dump( $step_size ),"\n";
72
73 my $step = {
74 x => ( sort { $step_size->{x}->{$b} <=> $step_size->{x}->{$a} } keys %{ $step_size->{x} } )[0],
75 y => ( sort { $step_size->{y}->{$b} <=> $step_size->{y}->{$a} } keys %{ $step_size->{y} } )[0],
76 };
77
78 print "selected step = ",dump( $step ),"\n";
79
80
81 my $img = Imager->new();
82 $img->read( file => $path . '/' . $files[0] ) or die $img->errstr();
83 my $tile_size = {
84 x => $img->getwidth,
85 y => $img->getheight,
86 };
87
88 print "tile_size = ",dump( $tile_size ),"\n";
89
90 my $x_tiles = ( $range->{max}->{x} - $range->{min}->{x} ) / $step->{x};
91 my $y_tiles = ( $range->{max}->{y} - $range->{min}->{y} ) / $step->{y};
92
93 my $x_size = $x_tiles * $tile_size->{x};
94 my $y_size = $y_tiles * $tile_size->{y};
95
96 print "final map size: $x_size x $y_size from $x_tiles x $y_tiles tiles\n";
97
98 my $map = Imager->new( xsize => $x_size, ysize => $y_size ) or $img->errstr();
99
100 foreach my $tile_file ( @files ) {
101 $img->read( file => "$path/$tile_file" ) or die $img->errstr();
102
103 # this is specific to globe position, I guess ... this is europe
104 my $x = ( $file_pos->{$tile_file}->{x} - $range->{min}->{x} ) / $step->{x};
105 my $y = ( $range->{max}->{y} - $file_pos->{$tile_file}->{y} ) / $step->{y};
106
107 printf("%3dx%-3d %s\n", $x, $y, $tile_file);
108
109 $map->paste(
110 src => $img,
111 left => $x * $tile_size->{x},
112 top => $y * $tile_size->{y},
113 );
114 }
115
116 $path =~ s/\W+/_/g;
117 $path =~ s/^_+//;
118 $path =~ s/_+$//;
119
120 $map->write( file => "$path.png" ) or die $img->errstr();

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