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HERE Optimized Map for Analytics (OMA) Data Specification

Optimized Map for Analytics Data Specification

Functional​Class​Attribute

Message Summary

message FunctionalClassAttribute

Single segment attribute. Possible attribute orientations(s): Both. The hierarchical classification of the road network.

Include: schema_road_functional_class.proto

Properties

Field Type Label Description
functional​_​class string  

Functional Class defines a hierarchical network used to determine a logical and efficient route. Functional Class = 1, 2, 3, and 4 roads are connected to form a comprehensive road network for navigation of long distance, mid-range and short routes in any given coverage area. May be used to render on a map display an amount of road network compatible to zoom level defined by the end user.

segment​_​identifier string  

Segment anchor attributes 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.