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= Layer > Convert To Data Layer =

[[Image(source:trunk/images/converttoosm.png,32)]]

This feature is available for [[Image(source:trunk/images/layer/gpx_small.png)]] [wikitr:/Help/Dialog/LayerList#Layertypes GPX Layers] and [[Image(source:trunk/images/layer/marker_small.png)]] [wikitr:/Help/Dialog/LayerList#Layertypes Marker Layers] and converts gpx data into osm data.

== GPX Layers ==

Creates a new OSM Data Layer comprising a [[Image(source:trunk/images/data/way.svg,top)]] [Concepts/Object#Ways way] for each track in the GPX data, consisting of a [[Image(source:trunk/images/data/node.svg,top)]] [Concepts/Object#Nodes node] in sequence for each track point. Some data are extracted from each positions and converted to a tag:

|| course (bearing) ||
|| elevation ||
|| fix mode ||
|| number of satellite used ||
|| speed ||
|| time ||

If you want to use this way as a new OpenStreetMap's highway, this is very much only a starting point. You will need to split the ways up, connect them with correct topology, move nodes around, thin them out, remove the unwanted tags, tag them and so on. **Never upload raw converted  ways! **

== Marker Layers ==

When converting a [Help/Dialog/LayerList#Layertypes Marker Layer] the following "tags" of the marker will be converted to osm tags:
||= marker tag =||= osm tag =||
|| name || name ||
|| desc || description ||
|| cmt || note ||
|| src || source ||
|| sym || gpxicon ||

You can adjust or enhance this list by modifying the key `gpx.to-osm-mapping` in the [wiki:Help/Preferences/Advanced advanced preferences]. The key `gpxicon` is intended for custom icon display within JOSM, so make sure to not upload any keys which should not be part of the OSM database. (See also ticket #13717, the implementation of this feature.)

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