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247 lines
11 KiB
HTML
<!DOCTYPE html>
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<title>GPXSee - Documentation</title>
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<!-- START PAGE SOURCE -->
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<div class="shell">
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<div class="shell-b">
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<div id="header">
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<img src="css/images/gpxsee.png" alt="" class="logo"/><h1 class="logo"><a href="http://www.gpxsee.org">GPXSee</a></h1>
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<div id="navigation">
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<ul>
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<li><a href="index.html">Home</a></li>
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<li><a href="gallery.html">Screenshots</a></li>
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<li><a href="doc.html" class="active">Documentation</a></li>
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<div id="main">
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<div id="content">
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<h2 id="data">Data files</h2>
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<p>GPXSee opens GPX, TCX, FIT, KML, IGC, NMEA and
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<a href="http://www.poi-factory.com/garmin-csv-file-format">Garmin CSV</a>
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files, however not all format features are supported for all formats.
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Generally, GPXSee supports three kinds of data objects:</p>
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<ul>
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<li>Tracks</li>
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<li>Routes</li>
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<li>Waypoints</li>
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</ul>
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<p>Naturally, if a format supports only a subset of the objects, GPXSee also
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supports only this subset. Some formats - especially KML - have support for
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a plenty of other data objects like surfaces or even 3D structures. Those are
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not supported by GPXSee.</p>
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<p>In addition to GPS data, data from the following sensors is supported
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by GPXSee:</p>
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<ul>
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<li>Heart rate</li>
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<li>Cadence</li>
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<li>Power</li>
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<li>Temperature</li>
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</ul>
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<h2 id="maps">Maps</h2>
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<p>Two kinds of maps are supported by GPXSee - online maps and offline maps.
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You may either load them "ad hoc" from the GUI or they can be loaded
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automatically at program startup from the following directory:</p>
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<table class="config-files">
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<tr>
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<td class="os">Windows:</td>
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<td class="file">C:\Program Files\GPXSee\maps</td>
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</tr><tr>
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<td class="os">Linux:</td>
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<td class="file">/usr/share/gpxsee/maps</td>
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</tr><tr>
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<td class="os">OS X:</td>
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<td class="file">/Applications/GPXSee.app/Contents/Resources/maps</td>
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</tr>
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</table>
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<p>User specific map directories that - when present - override the global map
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directory are also supported. The paths are as follows:</p>
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<table class="config-files">
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<tr>
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<td class="os">Windows:</td>
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<td class="file">%HOMEPATH%\GPXSee\maps</td>
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</tr><tr>
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<td class="os">OS X, Linux:</td>
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<td class="file">$HOME/.gpxsee/maps</td>
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</tr>
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</table>
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<p>The map directory is recursively searched when loading the maps, so it
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may contain an arbitrary directory structure.</p>
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<h3 id="online">Online maps</h3>
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<p>The mapsource definition file format is based on XML and is fairly simple.
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For the formal map source file syntax see the <a href="map/1/map.xsd">mapsource
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XSD file</a>. The paragraphs below are a "human-readable" summary of the XSD
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syntax/semantics divided by map type.</p>
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<h4 id="OSM">OSM/Google tiles</h4>
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<p>The root <i>map</i> element contains two mandatory elements - <i>name</i>
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and <i>url</i>, and two optional elements - <i>zoom</i> and <i>bounds</i>.
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The tile X and Y coordinates are replaced with <code>$x</code> and
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<code>$y</code> in the URL and the zoom level is replaced with
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<code>$z</code>. An example map source definition file can look like:</p>
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<pre>
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<?xml version="1.0" encoding="UTF-8"?>
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<map xmlns="http://www.gpxsee.org/map/1" type="OSM">
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<name>USGS Imagery</name>
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<url>https://navigator.er.usgs.gov/tiles/aerial_Imagery.cgi/$z/$x/$y</url>
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<zoom min="2" max="15"/>
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<bounds bottom="0" top="74"/>
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</map>
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</pre>
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<p>The bounds are WGS84 latitude/longitude values in degrees. If omitted, the
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default zoom range is <0, 19> and the default bounds are
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<-85.0511, 85.0511> and <-180, 180>.</p>
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<h4 id="WMTS">WMTS</h4>
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<p>WMTS maps are distinguished by setting the <i>type</i> attribute of the
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<i>map</i> element to <code>WMTS</code>. Both the KVP and REST access methods
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are supported.</p>
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<p>For KVP, the <i>url</i> element represents the WMTS base URL and two
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additional elements are required - <i>layer</i> and <i>set</i>
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(TileMatrixSet in WMTS). Optional <i>format</i> and <i>style</i> elements may
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be specified defining the desired image format and layer style. If not set,
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<code>image/png</code> is used for <i>format</i> and the default style for
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<i>style</i>.</p>
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<pre>
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<?xml version="1.0" encoding="UTF-8"?>
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<map xmlns="http://www.gpxsee.org/map/1" type="WMTS">
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<name>CUZK</name>
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<url>http://geoportal.cuzk.cz/WMTS_ZM_900913/WMTService.aspx</url>
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<layer>zm</layer>
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<set axis="yx">ogc:1.0:globalcrs84pixel</set>
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</map>
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</pre>
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<p>For REST access, the <i>url</i> element's <i>type</i> attribute must be set
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to <code>REST</code>. The URL then represents the URL of the capabilities XML
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document. Defining the format has no relevance for the REST access method.</p>
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<pre>
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<?xml version="1.0" encoding="UTF-8"?>
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<map xmlns="http://www.gpxsee.org/map/1" type="WMTS">
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<name>Wien - Ortho</name>
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<url type="REST">http://maps1.wien.gv.at/wmts/1.0.0/WMTSCapabilities.xml</url>
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<layer>lb</layer>
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<style>farbe</style>
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<set>google3857</set>
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</map>
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</pre>
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<p>There is one more important attribute - the <i>axis</i> attribute of the
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<i>set</i> element. It specifies the axis order of the CRS used for the
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tile matrix set. The default order is obtained from the CRS definition like
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specified in the standard, but in praxis many servers use a wrong order. This
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is why GPXSee enables overriding the default axis order using the <i>axis</i>
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attribute. Possible values are <code>xy</code> and <code>yx</code>.</p>
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<p>Finally, one can define additional dimensions like <code>Time</code> using
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the <i>dimension</i> element. Use a separate entry for every additional dimension.</p>
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<h4 id="WMS">WMS</h4>
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<p>WMS maps are distinguished by setting the <i>type</i> attribute of the
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<i>map</i> element to <code>WMS</code>. WMS map definitions are very similar to
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WMTS map definitions, the main difference is that you must specify the map
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CRS using the <i>crs</i> element instead of specifying the tile set. Like in the
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case of the <i>set</i> element, you may specify the <i>axis</i> attribute to
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override the default axis order.</p>
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<p>It is possible to combine multiple WMS layers together in one map. To do so,
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use a comma separated list of WMS layers as the <i>layer</i> element content and
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a corresponding comma separated list as the <i>style</i> element content (can be
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omitted if all styles are the default style).</p>
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<pre>
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<?xml version="1.0" encoding="UTF-8"?>
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<map xmlns="http://www.gpxsee.org/map/1" type="WMS">
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<name>Katastr nemovitostí</name>
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<url>http://services.cuzk.cz/wms/wms.asp</url>
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<layer>polygony_parcel,polygony_budov,polygony_k_u</layer>
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<crs axis="yx">EPSG:3034</crs>
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</map>
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</pre>
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<h3 id="offline">Offline maps</h3>
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<p>OziExplorer maps, TrekBuddy maps/atlases, Garmin JNX maps and GeoTIFF images are
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supported by GPXSee. Supported map projections are Mercator (including Web Mercator),
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Transverse Mercator (including UTM), Lambert Conformal Conic, Albers Equal Area,
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Lambert Azimuthal Equal Area, Křovák's and Latitude/Longitude (2D geographic).
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Additionally, the Swiss and Hungarian Oblique Mercator projections are aupported using
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LCC1 approximation. For list of supported datums and projected coordinate systems see
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the <a href="https://github.com/tumic0/GPXSee/blob/master/pkg/csv/gcs.csv">GCS.csv</a>
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and <a href="https://github.com/tumic0/GPXSee/blob/master/pkg/csv/pcs.csv">PCS.csv</a>
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configuration files (can be modified or overridden by user files like the map
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directory).</p>
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<p>You may easily create offline atlases from online map services by using
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<a href="http://mobac.sourceforge.net/">Mobile Atlas Creator (MOBAC)</a>.</p>
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<h2 id="poi">POI files</h2>
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<p>All of the supported formats with waypoints capability - GPX, KML, TCX, NMEA
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and Garmin CSV - can be loaded either as data files or as POI files. When a file
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is opened as a POI file, only waypoints reasonable near the tracks/waypoints of
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the loaded data files are displayed.</p>
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<p>To make GPXSee load a POI file automatically on startup, add the file to the
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<code>POI</code> directory in one of the configuration paths.</p>
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</div>
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<div id="sidebar">
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<h4><a href="#data">Data files</a></h4>
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<h4><a href="#maps">Maps</a></h4>
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<h5><a href="#online">Online maps</a></h5>
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<h5><a href="#offline">Offline maps</a></h5>
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<h4><a href="#poi">POI files</a></h4>
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</div>
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<div class="cl"> </div>
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</div>
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</div>
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<p class="lf">Copyright © 2017 Martin Tůma - All Rights Reserved</p>
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