Page History
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OpenLR works fundamentally differently. Instead of static identifiers, it generates dynamic location references derived from the actual geometry, topology, and attributes of the road network. Encoding a location therefore requires access to a routable digital map, as the encoder must understand how road segments connect, how paths are formed, and where decision points such as junctions and merges occur. While OpenLR is map‑agnostic in the sense that it is not tied to a specific vendor or map version, it nevertheless requires the presence of a suitable routable road network at encoding time.
Encoding/decoding
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TMC location references versus OpenLR location references
| encoding | decoding | |
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| TMC | ||
| OpenLR |
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Migrating from TMC to OpenLR: impact on Location Referencing Workflows
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