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- OpenLR is based on the WGS-84 coordinate reference system and requires maps to have two attributes: Functional Road Class (FRC, importance of road), Form-of-Way (FoW, type of road).
- A mapping may be needed form the from source map attribute conventions to OpenLR conventions.
- Use official encoders/decoders to ensure format compliance.
Ensure team familiarity with the topology-based referencing model.
For more complex POIs or areas, use ISO TPEG2-OLR, or evaluate extensions or hybrid approaches (e.g., OpenLR+).
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