HERE Lanes Data Specification

Link Topology-Geometry

The topology and 2D line string geometry for the road map is provided in tiles in the "road-topology-geometry" layer of the catalog. The content of these tiles is defined in the layer-road-topology-geometry.proto and geometry.proto schema files.

The top-level message for topology-geometry tiles is TopologyLayerTile. The Node and Link objects are the building blocks of road topology. Geometry: Points and Line Strings provides geometry for this topology.