159 lines
6.2 KiB
Markdown
159 lines
6.2 KiB
Markdown
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The OsmAnd's GPX file format conforms to GPX 1.1 specification with additional data written as extensions. There are few sections of such data:
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## Track appearance
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These parameters are used to customize the appearance of a track on the map. Used inside "gpx" tag and applies to all tracks inside gpx.
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#### Parameters
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* **show_arrows** [*true, false*] - show / hide arrows along the path line.
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* **width** [*thin, medium, bold, 1-24*] - width of a track line on the map. The thin, medium and bold are style depended values (should be defined as currentTrackWidth attribute).
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* **color** [*#AARRGGBB, #RRGGBB*] - color of a track line on the map. Hex values.
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* **split_type** [*no_split, distance, time*] - split type for a track.
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* **split_interval** [*double*] - split interval for a track. Distance (meters), time (seconds).
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#### Example:
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```xml
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<gpx version="1.1" creator="OsmAndRouterV2" xmlns="http://www.topografix.com/GPX/1/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd">
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...
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<extensions>
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<show_arrows>true</show_arrows>
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<color>#4e4eff</color>
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<split_type>distance</split_type>
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<split_interval>2000.0</split_interval>
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<width>bold</width>
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</extensions>
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</gpx>
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```
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## Details of a track point (trkpt)
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Written to a gpx file while recording a track.
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* **speed** (meters per second)
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* **heading** (0-359 degrees)
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#### Example:
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```xml
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<trkpt lat="52.397799" lon="4.575998">
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<ele>203</ele>
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<time>2019-05-08T10:36:43Z</time>
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<hdop>3</hdop>
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<extensions>
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<heading>273</heading>
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<speed>5.02</speed>
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</extensions>
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</trkpt>
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```
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## Calculated route(s)
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This data contains information about a route built with **OsmAnd** (route segments, turns, road names and types, restrictions, etc.). With their help, route can be restored completely as if it had just been built even without the currently installed offline maps.
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There can be several routes in one gpx file. Each of them is contained in a specific segment (**trkseg** / **extensions**). In this form, a gpx file is saved when exporting a constructed route or when saving a track that consists of several separate segments via the **Plan route**.
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When using the **Plan route** tool, route key points (**rtept**) are additionally written to the gpx file. There can also be several **rte** blocks (according to a number of separate segments / tracks in a gpx file).
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#### Gpx structure:
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```xml
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<trk>
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<trkseg>
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<!-- List of segment points. The order of the points corresponds to the order and length of the route segments (<route><segment length="x" ... />). -->
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<!-- The value of the "length" attribute corresponds to the number of points in this segment of the route. -->
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<trkpt ... ></trkpt>
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<extensions>
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<!-- List of route segments -->
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<route>
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<segment ... />
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</route>
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<!-- Properties of segments included in the route. -->
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<!-- This data is taken from offline maps during the initial construction of a route. -->
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<types>
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<type ... />
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</types>
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</extensions>
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</trkseg>
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</trk>
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<!-- List of intermediate route points. If there are multiple routes, the order of the rte list matches the order of the route segments. -->
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<rte>
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<rtept ... />
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<!-- For routes built with the "Plan route", the parameters of key points are saved. -->
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<extensions>
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<!-- Route profile type for next segment (car, bicycle, pedestrian, etc.). -->
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<profile>...</profile>
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<!-- The index of the point in the gpx segment that corresponds to the first point of the calculated route for this segment. -->
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<trkpt_idx>...</trkpt_idx>
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</extensions>
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</rtept>
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</rte>
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```
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#### Example:
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```xml
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<gpx version="1.1" creator="OsmAndRouterV2" xmlns="http://www.topografix.com/GPX/1/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd">
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<metadata>
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<name>Fri 06 Nov 2020</name>
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</metadata>
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<trk>
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<name>Fri 06 Nov 2020</name>
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<trkseg>
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<trkpt lat="52.3639849" lon="4.8900533">
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<ele>0.801</ele>
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</trkpt>
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<trkpt lat="52.3636917" lon="4.8922849">
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<ele>0.998</ele>
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</trkpt>
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<trkpt lat="52.3636885" lon="4.892309">
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<ele>1</ele>
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</trkpt>
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<trkpt lat="52.3636426" lon="4.8922902">
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<ele>0.963</ele>
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</trkpt>
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<trkpt lat="52.363564" lon="4.8922607">
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<ele>0.899</ele>
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</trkpt>
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....
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<extensions>
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<route>
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<segment id="7372058" length="3" segmentTime="178.44" speed="1.11" turnType="C" types="0,1,2,3,4,5,6" names="57" />
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<segment id="334164679" length="5" segmentTime="86.11" speed="1.11" turnType="TR" turnAngle="91.88" types="7,8,0,9,10,11,12,13,6" pointTypes=";;14,15;16,17,18;" names="58" />
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<segment id="334603581" length="6" segmentTime="75.5" speed="1.11" types="19,20,21,7,8,0,22,9,10,11,12,13,23,6" pointTypes=";14;16,24;16,24;14;" names="58" />
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<segment id="446707354" length="3" segmentTime="8.32" speed="1.11" turnType="TSLL" turnAngle="-25.44" types="19,25,21,7,8,22,9,1,11,12,13,6" names="58" />
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...
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</route>
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<types>
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<type t="lit" v="yes" />
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<type t="oneway" v="yes" />
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<type t="highway" v="unclassified" />
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<type t="surface" v="paving_stones" />
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<type t="maxspeed" v="30" />
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...
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</types>
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</extensions>
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</trkseg>
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</trk>
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<rte>
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<rtept lat="52.3639945" lon="4.8900532">
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<extensions>
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<profile>pedestrian</profile>
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<trkpt_idx>0</trkpt_idx>
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</extensions>
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</rtept>
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<rtept lat="52.3612797" lon="4.8911677">
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<extensions>
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<profile>pedestrian</profile>
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<trkpt_idx>24</trkpt_idx>
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</extensions>
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</rtept>
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<rtept lat="52.356996" lon="4.8912071">
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<extensions>
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<profile>pedestrian</profile>
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<trkpt_idx>89</trkpt_idx>
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</extensions>
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</rtept>
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<rtept lat="52.3542374" lon="4.8947024">
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<extensions>
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<profile>pedestrian</profile>
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<trkpt_idx>121</trkpt_idx>
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</extensions>
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</rtept>
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</rte>
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</gpx>
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```
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