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/MissionCockpit/tags/V0.6.0/libmapdef.pl
0,0 → 1,841
###############################################################################
#
# libmapdef.pl - Map definition
#
## Copyright (C) 2009 Rainer Walther (rainerwalther-mail@web.de)
#
# Creative Commons Lizenz mit den Zusaetzen (by, nc, sa)
#
# Es ist Ihnen gestattet:
# * das Werk vervielfältigen, verbreiten und öffentlich zugänglich machen
# * Abwandlungen bzw. Bearbeitungen des Inhaltes anfertigen
#
# Zu den folgenden Bedingungen:
# * Namensnennung.
# Sie müssen den Namen des Autors/Rechteinhabers in der von ihm festgelegten Weise nennen.
# * Keine kommerzielle Nutzung.
# Dieses Werk darf nicht für kommerzielle Zwecke verwendet werden.
# * Weitergabe unter gleichen Bedingungen.
# Wenn Sie den lizenzierten Inhalt bearbeiten oder in anderer Weise umgestalten,
# verändern oder als Grundlage für einen anderen Inhalt verwenden,
# dürfen Sie den neu entstandenen Inhalt nur unter Verwendung von Lizenzbedingungen
# weitergeben, die mit denen dieses Lizenzvertrages identisch oder vergleichbar sind.
#
# Im Falle einer Verbreitung müssen Sie anderen die Lizenzbedingungen, unter welche dieses
# Werk fällt, mitteilen. Am Einfachsten ist es, einen Link auf diese Seite einzubinden.
#
# Jede der vorgenannten Bedingungen kann aufgehoben werden, sofern Sie die Einwilligung
# des Rechteinhabers dazu erhalten.
#
# Diese Lizenz lässt die Urheberpersönlichkeitsrechte unberührt.
#
# Weitere Details zur Lizenzbestimmung gibt es hier:
# Kurzform: http://creativecommons.org/licenses/by-nc-sa/3.0/de/
# Komplett: http://creativecommons.org/licenses/by-nc-sa/3.0/de/legalcode
#
###############################################################################
##
# 2009-03-06 0.0.1 rw created
# 2009-04-01 0.1.0 rw RC1
# 2009-04-18 0.1.1 rw Select default map, if configured map does not exist
# 2009-07-22 0.1.2 rw Offset_x and Offset_y for adjustment of map calibration
# 2009-08-15 0.1.3 rw Tracking Antenne Home position added
# Player home position added
# Read map definition from XML file
# 2009-09-29 0.1.4 rw Read map definition from KML file (GE import)
# Allow Config lines in map definition file (like mkcockpit.xml)
# 2009-11-08 0.1.5 rw Avoid div/0, if P1=P2
# 2010-05-16 0.1.6 rw Check empty Border in XML
# 2010-09-09 0.1.7 rw Load JPEG/PNG containig Geo-Information
# rename map/map.pl --> libmapdef.pl
# 2010-09-19 0.1.8 rw Create Map from Google/OSM download
# 2010-10-04 0.1.9 rw Google Maps entfernt wg. rechtlicher Bedenken
# 2010-10-09 0.1.10 rw Zoom und Reload-Checkbox
#
###############################################################################
 
$Version{'libmapdef.pl'} = "0.1.10 - 2010-10-09";
 
use Math::Trig;
use XML::Simple; # http://search.cpan.org/dist/XML-Simple-2.18/lib/XML/Simple.pm
use Image::ExifTool qw(:Public); # http://search.cpan.org/~exiftool/Image-ExifTool-8.25/lib/Image/ExifTool.pod
use LWP::Simple; # http://search.cpan.org/~gaas/libwww-perl-5.836/lib/LWP/Simple.pm
use File::Path qw(make_path);
 
if ( $Cfg->{'map2'}->{'ImageMagickInstalled'} =~ /y/i )
{
require Image::Magick; # comes with ImageMagick installation
# requires ImageMagick 6.5 for Activestate Perl 5.10:
# http://image_magick.veidrodis.com/image_magick/binaries/ImageMagick-6.5.9-9-Q8-windows-dll.exe
# http://image_magick.veidrodis.com/image_magick/binaries/ImageMagick-6.5.9-9-Q16-windows-dll.exe
# Beim Installieren angeben: Install PerlMagick for Activestate Perl 5.10.1 Buld 1007
#
# Theorie: http://www.imagemagick.org/
# http://www.imagemagick.org/script/perl-magick.php
}
 
use libgemaps; # Theorie: http://wiki.openstreetmap.org/wiki/Slippy_map_tilenames
 
# Load maps from filesystem (XML, KML, JPEG/PNG)
sub MapDefLoad()
{
%Maps =
(
Default => {
'Name' => "Default",
'File' => 'default-800.gif',
# 'Size_X' => '800',
# 'Size_Y => '600',
 
'P1_x' => '71', # calibration P1, P2
'P1_y' => '472',
'P2_x' => '500',
'P2_y' => '103',
'P1_Lat' => '48.856253',
'P1_Lon' => '2.3500000',
'P2_Lat' => '54.090153',
'P2_Lon' => '12.133249',
 
# 'Offset_x' => 5, # Optional Pixel offset MK to right
# 'Offset_y' => 5, # Optional pixel offset MK to top
 
# 'Home_Lat' => '54.090153', # Optional home position for player
# 'Home_Lon' => '12.133249', # Optional home position for player
 
# 'Poi_Lat' => '54.090153', # Optional POI position for player
# 'Poi_Lon' => '12.133249', # Optional POI position for player
 
# 'Track_Lat' => '49.685333', # Optional Tracking Antenna pos
# 'Track_Lon' => '10.950134', # Optional Tracking Antenna pos
# 'Track_Alt' => '500', # Optional Tracking Antenna altitude
# 'Track_Bearing' => 10, # Optional Tracking antenne direction
 
# 'Border' => [ 555, 430, # airfield border
# 516, 555,
# 258, 555,
# 100, 300,
# 580, 260,
# 530, 94,
# 627, 130,
# 735, 300,
# 680, 400,
# 757, 470,
# 720, 515,
# 575, 420,
# ],
},
);
 
 
#
# load additional Maps from XML files
#
my $MapDir = $Cfg->{'map'}->{'MapDir'} || "map";
if ( -d $MapDir )
{
opendir DIR, $MapDir;
my @Files = readdir DIR;
@Files = grep /\.xml$/, @Files;
closedir DIR;
 
foreach $Xml (@Files)
{
my $MapConfigFile = "$MapDir/$Xml";
if ( -f $MapConfigFile )
{
my $XmlMap = XMLin($MapConfigFile);
 
foreach $Location (keys %{$XmlMap})
{
foreach $Key (keys %{$XmlMap->{$Location}} )
{
my $Value = $XmlMap->{$Location}->{$Key};
if ( $Key =~ /Border/i )
{
$Value =~ s/\s//g;
if ( $Value ne "" )
{
my @Border = split ',', $Value;
@{$Maps{$Location}->{$Key}} = @Border;
}
}
else
{
$Maps{$Location}->{$Key} = $Value;
}
}
}
}
}
}
 
 
#
# load additional Maps from KML files
#
my $MapDir = $Cfg->{'map'}->{'MapDir'} || "map";
if ( -d $MapDir )
{
opendir DIR, $MapDir;
my @Files = readdir DIR;
@Files = grep /\.kml$/, @Files;
closedir DIR;
 
foreach $Kml (@Files)
{
my $MapConfigFile = "$MapDir/$Kml";
if ( -f $MapConfigFile )
{
my $KmlMap = XMLin($MapConfigFile);
 
my $Name = $KmlMap->{'Document'}->{'Folder'}->{'name'};
my $Desc = $KmlMap->{'Document'}->{'Folder'}->{'description'};
 
$Maps{$Name}->{'Name'} = $Name;
 
# Airfield Border
my $Border = "";
my $bBorder = 0;
 
# parse config lines
@DescLines = split '\n', $Desc;
foreach $Line (@DescLines)
{
if ( $bBorder )
{
# collect border lines
if ( $Line =~ /=/i )
{
# New keyword found. End of multi-line border config
$bBorder = 0;
}
else
{
$Border = "$Border" . "$Line";
}
}
 
if ( $Line =~ /\s*(\S*)\s*=\s*(.*)/i)
{
my $Key = $1;
my $Value = $2;
chomp $Value;
 
# search for border keyword
if ($Key =~ /border/i )
{
$Border = $Value;
$bBorder = 1;
}
else
{
$Maps{$Name}->{$Key} = $Value;
}
}
}
 
if ( $Border ne "" )
{
$Border =~ s/\s//g;
my @Border = split ',', $Border;
@{$Maps{$Name}->{'Border'}} = @Border;
}
 
# P1 calibration point
my $P1 = $KmlMap->{'Document'}->{'Folder'}->{'Placemark'}->{'P1'}->{'Point'}->{'coordinates'};
my $P1Desc = $KmlMap->{'Document'}->{'Folder'}->{'Placemark'}->{'P1'}->{'description'};
($Maps{$Name}->{'P1_Lon'}, $Maps{$Name}->{'P1_Lat'}) = split ',', $P1;
if ( $P1Desc =~ /\s*x\s*=\s*(\d*)/i) { $Maps{$Name}->{'P1_x'} = $1; } # x=nnn
if ( $P1Desc =~ /\s*y\s*=\s*(\d*)/i) { $Maps{$Name}->{'P1_y'} = $1; } # y=nnn
 
# P2 calibration point
my $P2 = $KmlMap->{'Document'}->{'Folder'}->{'Placemark'}->{'P2'}->{'Point'}->{'coordinates'};
my $P2Desc = $KmlMap->{'Document'}->{'Folder'}->{'Placemark'}->{'P2'}->{'description'};
($Maps{$Name}->{'P2_Lon'}, $Maps{$Name}->{'P2_Lat'}) = split ',', $P2;
if ( $P2Desc =~ /\s*x\s*=\s*(\d*)/i) { $Maps{$Name}->{'P2_x'} = $1; } # x=nnn
if ( $P2Desc =~ /\s*y\s*=\s*(\d*)/i) { $Maps{$Name}->{'P2_y'} = $1; } # y=nnn
 
# Home position
if ( $KmlMap->{'Document'}->{'Folder'}->{'Placemark'}->{'Home'}->{'visibility'} ne "0" )
{
my $Home = $KmlMap->{'Document'}->{'Folder'}->{'Placemark'}->{'Home'}->{'Point'}->{'coordinates'};
my $HomeDesc = $KmlMap->{'Document'}->{'Folder'}->{'Placemark'}->{'Home'}->{'description'};
($Maps{$Name}->{'Home_Lon'}, $Maps{$Name}->{'Home_Lat'}) = split ',', $Home;
}
 
# POI position
if ( $KmlMap->{'Document'}->{'Folder'}->{'Placemark'}->{'POI'}->{'visibility'} ne "0" )
{
my $Poi = $KmlMap->{'Document'}->{'Folder'}->{'Placemark'}->{'POI'}->{'Point'}->{'coordinates'};
my $PoiDesc = $KmlMap->{'Document'}->{'Folder'}->{'Placemark'}->{'POI'}->{'description'};
($Maps{$Name}->{'Poi_Lon'}, $Maps{$Name}->{'Poi_Lat'}) = split ',', $Poi;
}
 
# Antenna tracker position
if ( $KmlMap->{'Document'}->{'Folder'}->{'Placemark'}->{'Antenna'}->{'visibility'} ne "0" )
{
my $Track = $KmlMap->{'Document'}->{'Folder'}->{'Placemark'}->{'Antenna'}->{'Point'}->{'coordinates'};
my $TrackDesc = $KmlMap->{'Document'}->{'Folder'}->{'Placemark'}->{'Antenna'}->{'description'};
($Maps{$Name}->{'Track_Lon'}, $Maps{$Name}->{'Track_Lat'}) = split ',', $Track;
if ( $TrackDesc =~ /\s*Track_Alt\s*=\s*(\d*)/i) { $Maps{$Name}->{'Track_Alt'} = $1; } # Track_Alt=nnn
if ( $TrackDesc =~ /\s*Track_Bearing\s*=\s*(\d*)/i) { $Maps{$Name}->{'Track_Bearing'} = $1; } # Track_Bearing=nnn
}
 
if ( $Maps{$Name}->{'P1_x'} == $Maps{$Name}->{'P2_x'} and
$Maps{$Name}->{'P1_y'} == $Maps{$Name}->{'P2_y'} )
{
# Avoid div/0 if P1=P2
$Maps{$Name}->{'P1_x'} += 1;
}
}
}
}
 
#
# load additional Maps from JPEG/PNG containing Geo-Information
#
my $MapDir = $Cfg->{'map'}->{'MapDir'} || "map";
if ( -d $MapDir )
{
opendir DIR, $MapDir;
my @Files = readdir DIR;
closedir DIR;
 
my @ImgFiles;
push @ImgFiles, grep /\.jpg$/, @Files;
push @ImgFiles, grep /\.png$/, @Files;
 
foreach $Image (@ImgFiles)
{
my $ImgFile = "$MapDir/$Image";
if ( -f $ImgFile )
{
# take only image files which are not already used in %Maps
$bUsed = "";
foreach $Map (keys %Maps)
{
if ( $Maps{$Map}->{'File'} =~ /^${Image}$/i )
{
$bUsed = "X";
last;
}
}
 
if ( $bUsed ne "X" )
{
# take image
my ($Width, $Height, $ImgInfo) = &GetImageInfo($ImgFile);
my $Comment = $$ImgInfo{'Comment'};
my $Name = substr ($Image, 0, -4); # remove extension
 
# Image from Kopter-Tool
my @Fields = split ",", $Comment;
if ( $Fields[0] =~ /Geo-Information/i )
{
my ($RoLat, $RoLon) = split ":", $Fields[1];
my ($LoLat, $LoLon) = split ":", $Fields[2];
my ($RuLat, $RuLon) = split ":", $Fields[3];
my ($LuLat, $LuLon) = split ":", $Fields[4];
 
$Maps{$Name}->{'Name'} = $Name;
$Maps{$Name}->{'File'} = $Image;
$Maps{$Name}->{'P1_x'} = 0;
$Maps{$Name}->{'P1_y'} = 0;
$Maps{$Name}->{'P2_x'} = $Width;
$Maps{$Name}->{'P2_y'} = $Height;
$Maps{$Name}->{'P1_Lat'} = $LoLat;
$Maps{$Name}->{'P1_Lon'} = $LoLon;
$Maps{$Name}->{'P2_Lat'} = $RuLat;
$Maps{$Name}->{'P2_Lon'} = $RuLon;
}
 
# GeoMapTool Image for Mission Cockpit
my @Fields = split ";", $Comment;
foreach $Param (@Fields)
{
my ($Key, $Value) = split ":", $Param;
if ( $Key eq "P" )
{
my ($P1_x, $P1_y, $P2_x, $P2_y, $P1_Lat, $P1_Lon, $P2_Lat, $P2_Lon) = split ",", $Value;
$Maps{$Name}->{'P1_x'} = $P1_x;
$Maps{$Name}->{'P1_y'} = $P1_y;
$Maps{$Name}->{'P2_x'} = $P2_x;
$Maps{$Name}->{'P2_y'} = $P2_y;
$Maps{$Name}->{'P1_Lat'} = $P1_Lat;
$Maps{$Name}->{'P1_Lon'} = $P1_Lon;
$Maps{$Name}->{'P2_Lat'} = $P2_Lat;
$Maps{$Name}->{'P2_Lon'} = $P2_Lon;
 
$Maps{$Name}->{'File'} = $Image;
$Maps{$Name}->{'Name'} = $Name;
}
if ( $Key eq "Home" )
{
my ($Home_Lat, $Home_Lon) = split ",", $Value;
$Maps{$Name}->{'Home_Lat'} = $Home_Lat;
$Maps{$Name}->{'Home_Lon'} = $Home_Lon;
}
if ( $Key eq "Poi" )
{
my ($Poi_Lat, $Poi_Lon) = split ",", $Value;
$Maps{$Name}->{'Poi_Lat'} = $Poi_Lat;
$Maps{$Name}->{'Poi_Lon'} = $Poi_Lon;
}
if ( $Key eq "Border" )
{
my @Border = split ',', $Value;
@{$Maps{$Name}->{'Border'}} = @Border;
}
}
}
}
}
}
 
# Die verwendete Karte
&MapSetCurrentFromCfg();
}
 
 
# Set $Maps{'Current'} from Cfg-Setting
sub MapSetCurrentFromCfg()
{
 
# Todo: Karte automatisch anhand der aktuellen GPS Position auswählen
 
my $MapDefault = $Cfg->{'map'}->{'MapDefault'};
if ( defined $Maps{$MapDefault} )
{
$Maps{'Current'} = $Maps{$MapDefault};
}
else
{
$Maps{'Current'} = $Maps{'Default'};
print "Map \"$MapDefault\" not found in map.pl. Using \"Default\" map\n";
}
 
# optional map specific Cfg setup from map definition
# Aktuell gültige Karte
my %Map = %{$Maps{'Current'}};
 
foreach $Key (keys %Map)
{
# Cfg:Section:Keyword
if ( $Key =~ /^Cfg:(\S*):(\S*)/i )
{
$Section = $1;
$Keyword = $2;
$Cfg->{$Section}->{$Keyword} = $Map{$Key};
}
}
 
# Get size of image
my $ImgFile = "$Cfg->{'map'}->{'MapDir'}/$Map{'File'}";
my ($Width, $Height) = &GetImageInfo($ImgFile);
if ( $Maps{'Current'}->{'Size_X'} eq "" )
{
$Maps{'Current'}->{'Size_X'} = $Width;
}
if ( $Maps{'Current'}->{'Size_Y'} eq "" )
{
$Maps{'Current'}->{'Size_Y'} = $Height;
}
 
# Option list from map config dialog
@{ $CfgOpt{MapDefault} } = sort keys %Maps
}
 
 
# Get size and EXIF data of Image
sub GetImageInfo()
{
my ($File) = @_;
 
my $ExifTool = new Image::ExifTool;
my $ImgInfo = $ExifTool->ImageInfo($File);
 
my $Width;
my $Height;
 
my $ImageSize = $$ImgInfo{'ImageSize'};
($Width, $Height) = split "x", $ImageSize;
 
if ( $Width eq "" )
{
$Width = $$ImgInfo{'ImageWidth'};
}
if ( $Height eq "" )
{
$Height = $$ImgInfo{'ImageHeight'};
}
 
if ( $Width eq "" )
{
$Width = $$ImgInfo{'ExifImageWidth'};
}
if ( $Height eq "" )
{
$Height = $$ImgInfo{'ExifImageHeight'};
}
 
return ($Width, $Height, $ImgInfo);
}
 
 
#
# Compose a JPEG map for given Position and Bearing. Download Image-Tiles from OSM
#
 
# Create Map
sub MapCompose()
{
# Directory for tile cache
my $TileDir = $Cfg->{'map2'}->{'MapTileCache'} || "map/_tile_cache";
 
# JPEG filename
my $MapFile = $Cfg->{'map'}->{'MapDir'} || "map";
$MapFile = $MapFile . "/AutoMap.jpg";
 
my $Zoom = $Cfg->{'map2'}->{'Zoom'} || 18;
my $OsmUrl = $Cfg->{'map2'}->{'OsmUrl'} || "http://tile.openstreetmap.org/%z/%x/%y.png";
 
my $Lat = $MkOsd{'CurPos_Lat'};
my $Lon = $MkOsd{'CurPos_Lon'};
my $Radius = $MkOsd{'OperatingRadius'} || 250;
my $Bearing = $MkOsd{'CompassHeading'} || 0;
 
my $OverscanTop = $Cfg->{'map2'}->{'OverscanTop'} || 100;
my $OverscanBot = $Cfg->{'map2'}->{'OverscanBot'} || 23;
my $OverscanLeft = $Cfg->{'map2'}->{'OverscanLeft'} || 110;
my $OverscanRight = $Cfg->{'map2'}->{'OverscanRight'} || 110;
my $ImageHeight = $Cfg->{'map2'}->{'ImageHeight'} || int($main->screenheight * 0.8);
my $TileReload = "";
 
#
# GUI Popup - check and confirm parameter
#
my $popup = $main->Toplevel();
$popup->title("Map Composer");
 
my @Fields = ( # Label Variable
$Translate{MapLat}, \$Lat,
$Translate{MapLon}, \$Lon,
$Translate{MapRadius}, \$Radius,
$Translate{MapBearing}, \$Bearing,
$Translate{OverscanTop}, \$OverscanTop,
$Translate{OverscanBot}, \$OverscanBot,
$Translate{OverscanLeft}, \$OverscanLeft,
$Translate{OverscanRight}, \$OverscanRight,
$Translate{MapZoom}, \$Zoom,
$Translate{MapImageHight}, \$ImageHeight,
);
my $Row = 0;
my $i = 0;
for $Field (0 .. $#Fields/2)
{
my $Label = $Fields[$i++];
my $Var = $Fields[$i++];
 
$popup->Label (-text => $Label,
-width => 25,
-anchor => 'w',
)->grid (-row => $Row,
-column => 0,
-sticky => 'w',
-padx => 5,
-pady => 1,
);
$popup->Entry ( -textvariable => $Var,
-exportselection => '1',
-width => 40,
-relief => 'sunken',
)->grid (-row => $Row,
-column => 1,
-sticky => 'w',
-padx => 5,
-pady => 1,
);
$Row ++;
}
 
$popup->Checkbutton( -text => $Translate{'MapTileReload'},
-offvalue => "",
-onvalue => "X",
-variable => \$TileReload,
)->grid (-row => $Row++,
-column => 1,
-columnspan => 2,
-sticky => 'w',
);
 
$MapComposeMessage = "";
$popup->Label (-textvariable => \$MapComposeMessage,
-font => '-*-Arial-Bold-R-Normal--*-175-*',
-width => 40,
-anchor => 'w',
)->grid (-row => $Row ++,
-column => 0,
-columnspan => 2,
-sticky => 'w',
-padx => 5,
-pady => 5,
);
 
# Button: OK
$popup->Button('-text' => 'OK - Create Map',
'-width' => '20',
'-command' => sub
{
# check values
if ( $Radius > 500 ) { $Radius = 500; }
if ( $Zoom > 19 ) { $Zoom = 19; }
if ( $OverscanTop > 125 ) { $OverscanTop = 125; }
if ( $OverscanBot > 125 ) { $OverscanBot = 125; }
if ( $OverscanLeft > 125 ) { $OverscanLeft = 125; }
if ( $OverscanRight > 125 ) { $OverscanRight = 125; }
 
if ( $Lat ne "" and $Lon ne "")
{
# Compose map - will block Mainloop while running
&MapComposeOsm ($Lat, $Lon, $Radius, $Bearing, $Zoom, $OsmUrl, $TileDir, $MapFile, $TileReload,
$OverscanTop, $OverscanBot, $OverscanLeft, $OverscanRight, $ImageHeight);
 
# Save new MapDefault
my $CfgEdit = &CopyHash($Cfg);
$CfgEdit->{'map'}->{'MapDefault'} = "AutoMap";
&ConfigureSave( $XmlConfigFile, $Cfg, $CfgEdit);
 
# Reload Map
&MapDefLoad();
&CanvasRedraw();
 
$popup->destroy();
}
else
{
$MapComposeMessage = "Lat/Lon is invalid";
$main->update;
}
} )->grid(-row => $Row,
-column => 0,
-sticky => 'w',
-padx => 15,
-pady => 5,
);
 
# Button: Abort
$popup->Button('-text' => $Translate{'Abort'},
'-width' => '10',
'-command' => sub { $popup->destroy() },
)->grid(-row => $Row,
-column => 1,
-sticky => 'w',
-padx => 15,
-pady => 5,
);
}
 
# Create JPEG Map from OSM using ImageMagick
sub MapComposeOsm()
{
my ($Lat, $Lon, $Radius, $Bearing, $Zoom, $UrlDesc, $TileDir, $MapFile, $TileReload,
$OverscanTop, $OverscanBot, $OverscanLeft, $OverscanRight, $ImageHeight) = @_;
 
# Calculate required tiles
my ($LatN, $LonN) = &MapGpsAt ($Lat, $Lon, $Radius * 1.4, 0); # Factor 1.4 wg. rotation
my ($LatE, $LonE) = &MapGpsAt ($Lat, $Lon, $Radius * 1.4, 90);
my ($LatS, $LonS) = &MapGpsAt ($Lat, $Lon, $Radius * 1.4, 180);
my ($LatW, $LonW) = &MapGpsAt ($Lat, $Lon, $Radius * 1.4, 270);
my @Tiles = &Google_Tiles($LatS, $LonW, $LatN, $LonE, $Zoom, 0, 'Partial');
 
# download tiles and compose Image
my $Columns = 0;
my $LastRow = $Tiles[0]{'NAMEY'};
my $ImgTiles = new Image::Magick;
for ( $Tile = 0; $Tile <= $#Tiles; $Tile++ )
{
my $NameX = $Tiles[$Tile]{'NAMEX'};
my $NameY = $Tiles[$Tile]{'NAMEY'};
 
my $Dir = "$TileDir/$Zoom/$NameX";
if ( ! -d $Dir )
{
make_path("$Dir");
}
my $File = sprintf ("%s/%d_%d_%d.jpg", $Dir, $Zoom, $NameX, $NameY);
if ( ! -f $File or $TileReload eq "X" )
{
if ( defined $main)
{
$MapComposeMessage = sprintf "Download Tile %d/%d: %d %d %d", $Tile+1, $#Tiles+1, $NameX, $NameY, $Zoom;
$main->update;
}
 
my $Url = $UrlDesc;
$Url =~ s/%x/$NameX/i;
$Url =~ s/%y/$NameY/i;
$Url =~ s/%z/$Zoom/i;
 
my $Status = getstore($Url, $File ); # download using LWP
if ( $Status != RC_OK )
{
# use error tile
$File = "icon/Tile256x256.jpg";
}
}
 
$ImgTiles->Read("$File");
 
# count tile Columns
$Columns ++;
if ( $NameY != $LastRow )
{
$Columns = 1;
$LastRow = $NameY;
}
}
 
if ( defined $main)
{
$MapComposeMessage = "Compose image ...";
$main->update;
}
 
# Montage Tiles
my $Width = $ImgTiles->[0]->Get('columns');
my $Height = $ImgTiles->[0]->Get('rows');
my $Img = $ImgTiles->Montage( geometry => "$Width" . 'x' . "$Height" . '+0+0',
tile => $Columns,
);
undef $ImgTiles; # Tiles not needed any more
 
#
# Rotate around lat/lon, translate lat/lon to image center
#
 
my $Value = &Google_Tile_Factors($Zoom, "0") ; # Calculate Tile Factor
my ($C_gy, $C_gx) = &Google_Coord_to_Pix( $Value, $Lat, $Lon );
 
# OSM raw image pixel size
my $Left_gx = $Tiles[0]{'PXW'};
my $Right_gx = $Tiles[$#Tiles]{'PXE'};
my $Top_gy = $Tiles[0]{'PYN'};
my $Bot_gy = $Tiles[$#Tiles]{'PYS'};
 
# Center: Image pixel coord
my $C_x = $C_gx - $Left_gx;
my $C_y = $C_gy - $Top_gy;
 
# Translation to image center
my $Width = $Img->[0]->Get('columns');
my $Height = $Img->[0]->Get('rows');
my $T_x = $Width /2;
my $T_y = $Height /2;
 
my $Degree = (360 - $Bearing) % 360;
my $Scale = 1.0;
$Status = $Img->Distort (method=>ScaleRotateTranslate,
points=>[ $C_x, $C_y, $Scale, $Degree, $T_x, $T_y ],
);
#
# Clip used area around Radius
#
my ($LatN, $LonN) = &MapGpsAt ($Lat, $Lon, $Radius, 0);
my ($N_gy, $N_gx) = &Google_Coord_to_Pix( $Value, $LatN, $LonN );
my $RadiusPix = $C_gy - $N_gy; # $Radius in image pixel
 
my $Left_x = $RadiusPix * $OverscanLeft / 100;
my $Right_x = $RadiusPix * $OverscanRight / 100;
my $Top_y = $RadiusPix * $OverscanTop / 100;
my $Bot_y = $RadiusPix * $OverscanBot / 100;
my $SizeX = $Left_x + $Right_x;
my $SizeY = $Top_y + $Bot_y;
 
my $Width = $Img->[0]->Get('columns');
my $Height = $Img->[0]->Get('rows');
my $OffsetX = $Width /2 - $Left_x;
my $OffsetY = $Height/2 - $Top_y;
 
$Status = $Img->Crop( geometry => $SizeX . 'x' . $SizeY . '+' . $OffsetX . '+' . $OffsetY, );
 
#
# Scale Image to Screen Height
#
my $Scale = $ImageHeight / $Img->[0]->Get('rows');
$Status = $Img->AffineTransform( scale => "$Scale , $Scale" );
 
#
# Transparent Rectangel for better OSD contrast
#
my $Width = $Img->[0]->Get('columns');
my $Height = 100;
$Img->Draw( primitive => "rectangle",
points => "0,0 $Width,$Height",
fill => 'rgba(0, 0, 0, 0.4)',
);
 
#
# Copyright / Logo
#
if ( $UrlDesc =~ /openstreetmap/i )
{
my $Height = $Img->[0]->Get('rows');
$Img->Annotate( text=> 'Daten von OpenStreetMap - Veröffentlicht unter CC-BY-SA 2.0',
pointsize => 12,
x => 10 + $Img->[0]->Get('page.x'),
y => $Height -4 + $Img->[0]->Get('page.y'),
fill => 'black',
);
}
elsif ( $UrlDesc =~ /google/i )
{
my $Logo = new Image::Magick;
$Logo->Read("icon/PoweredByGoogle.png");
$Img->Composite( image => $Logo,
compose => "Atop",
gravity => "SouthWest",
geometry => "+10-2",
);
}
 
 
#
# get map calibration for Top/Left (P1), Bottom/Right (P2)
#
my $P1_x = 0;
my $P1_y = 0;
my $P2_x = $Img->[0]->Get('columns') -1;
my $P2_y = $Img->[0]->Get('rows') -1;
 
my $P_x = - $Left_x;
my $P_y = $Top_y;
my $R1_x = $P_x * cos (deg2rad $Degree) - $P_y * sin (deg2rad $Degree);
my $R1_y = $P_y * cos (deg2rad $Degree) + $P_x * sin (deg2rad $Degree);
my $R1_gx = $C_gx + $R1_x;
my $R1_gy = $C_gy - $R1_y;
 
my $P_x = $Right_x;
my $P_y = - $Bot_y;
my $R2_x = $P_x * cos (deg2rad $Degree) - $P_y * sin (deg2rad $Degree);
my $R2_y = $P_y * cos (deg2rad $Degree) + $P_x * sin (deg2rad $Degree);
my $R2_gx = $C_gx + $R2_x;
my $R2_gy = $C_gy - $R2_y;
 
($P1_Lat, $P1_Lon) = &Google_Pix_to_Coordinate($Value, $R1_gy, $R1_gx);
($P2_Lat, $P2_Lon) = &Google_Pix_to_Coordinate($Value, $R2_gy, $R2_gx);
 
#
# Set EXIF Geo-Information Comment - Mission Cockpit format for rotated image
#
my $Comment = sprintf ("P:%d,%d,%d,%d,%f,%f,%f,%f", $P1_x, $P1_y, $P2_x, $P2_y, $P1_Lat, $P1_Lon, $P2_Lat, $P2_Lon);
$Img->Comment("$Comment");
 
# Write file
$Img->Write("$MapFile");
undef $ImgClip;
}
 
1;
 
__END__