HERE Map Content Developer's Guide

Lane​Count​Attribute

Message Summary

message LaneCountAttribute

Anchor type: Single segment. Possible SegmentAnchor Direction(s): Forward, Backward. For through lanes, the number of through lanes in a given direction of a segment. Segment anchor direction will be FORWARD or BACKWARD. Accounts for all lanes that are used as the main driving path are counted. E.g. Turn lanes are not accounted for.

Anchor type: Single segment. Possible SegmentAnchor Direction(s): Both. For physical lane count, the total number of lanes of a segment. Segment anchor direction will be BOTH. Physical lane count will always match the number of Lanes provided for the corresponding segment range.

Include: navigation_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 LanePartition. Never empty.

lane​_​count uint32  

Number of Lanes in the direction indicated by the referenced segment anchors.