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Optimized Map for Analytics Data Specification

Optimized Map for Analytics Data Specification

Overpass​Underpass​Attribute

Message Summary

message OverpassUnderpassAttribute

Single segment attribute. Possible attribute orientation(s): Both. Indication 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, e.g., "Take the overpass". Overpass/Underpass is applied when a change in elevation is perceived when moving over or under another road.

Include: schema_road_overpass_underpass.proto

Properties

Field Type Label Description
overpass​_​underpass string  

Overpass or underpass applicable for the listed segments.

segment​_​identifier string  

An identifier for the referenced segment in the format of domain:system:type:id, for example, "here:cm:segment:532172642". This property is unique in a catalog.

segment​_​start​_​offset double  

Values range from [0.0 - 1.0]. Relative to the segment's orientation - not necessarily the overall chain orientation.

segment​_​end​_​offset double  

Values range from [0.0 - 1.0]. Relative to the segment's orientation - not necessarily the overall chain orientation.

segment​_​inverted bool  

The referenced segment is inverted in relation to the chain.

attribute​_​orientation string  

The attribute's orientation relative to the chain's first-to-last orientation.

partition​_​name string  

Quadkey (HERE tiling) for the current partition.