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Logic for transforming raw map data tags into structured routing attributes.
Distinct from Map Value Transformers: None of the candidates relate to geospatial data tag translation; they focus on DB sharding or AI logic.
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Valhalla is an open-source routing engine that calculates optimal paths and travel times using OpenStreetMap data. It is built around a tiled routing graph framework, allowing map data to be organized into small geographic tiles for efficient regional updates and offline routing capability. The project distinguishes itself through a multimodal routing server that combines automobile, pedestrian, bicycle, and public transit modes into single journeys. It includes a GPS trace matching engine to align noisy coordinates to the most probable road network paths and an isochrone and matrix generator
Transforms raw map tags into specific keys and values using scriptable logic to modify data interpretation.