Srtm to Nodes

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Data nodes from OpenStreetMap are defined by id, latitude and longitude, which is enough for painting 2D maps. Modern routing algorithms for example can also take advantage of elevation data.

As the elevation is not added to OpenStreetMap data directly, there exist some plugins that make use of Nasa SRTM data to obtain the elevation information. The osmosis-srtm-plugin (hosted at google code) is intended to be used as a plugin for Osmosis to process OSM-input files together with SRTM data in order to add a height tag to each node.