OpenLR

OpenLR

OpenLR

Open file format

OpenLR is a royalty-free open standard for "procedures and formats for the encoding, transmission, and decoding of local data irrespective of the map" developed by TomTom.

Quick Facts Developed by, Initial release ...

The format allows locations localised on one map to be found on another map to which the data have been transferred.[1]

OpenLR requires that the coordinates are specified in the WGS 84 format and that route links are given in metres. Also, all routes need to be assigned to a "functional road class".

The specification is described in a white paper licensed under a Creative Commons license. Additionally, TomTom has published an open-source library for the format under the Apache license. [2]

See also

References

  1. [1]
    "Open format for local map data - the H Open: News and Features". Archived from the original on 2011-08-07.
  2. [2]
    "Method". Archived from the original on 2021-02-12.
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