HERE Lanes Data Specification

Line​String​3d​Offset

Message Summary

message LineString3dOffset

Represents a 3D polyline using point and elevation offset encoding.

For background on offset encoding, see "HERE Lanes Coordinate Array Offset Encoding"

For general background on coordinate encoding, see "HERE Lanes Coordinate Array Offset Encoding"

Include: geometry.proto

Properties

Field Type Label Description
here​_​2d​_​coordinate​_​diffs sint64 repeated

Lat/long offsets are encoded from the previous entry and for the first entry, the tile centerpoint.

cm​_​from​_​wgs​84_​ellipsoid​_​diffs sint32 repeated

Elevation offsets are encoded from the previous entry and for the first entry, the tile centerpoint.