HERE Map Content Developer's Guide

Overpass​Underpass​Attribute

Message Summary

message OverpassUnderpassAttribute

Anchor type: Single segment. Possible SegmentAnchor Direction(s): Both.

Overpass/Underpass indicates that a road goes over/under another road. It can be used for map display as well as to enhance both audible and visual route guidance, such as "Take the overpass". Overpass/Underpass is applied when a change in elevation is perceived when moving over or under another road.

Include: road_attributes.proto

Properties

Field Type Label Description
segment​_​anchor​_​index uint32 repeated

Indices of all segment anchors to which this attribute applies. 0-based index references to segment_anchor in NavigationAttributesPartition. Never empty.

overpass​_​underpass Overpass​Underpass  

Overpass or underpass applicable for the listed segment anchors.