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Solve complex location problems from geofencing to custom routing
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Common Metadata
Independent from the payload specific to each feature type, a set of properties carrying metadata is common to all objects found within the GeoJSON Map Components collection of catalogs.
General
| Attribute | Value | Description |
|---|---|---|
| id | Object identifier. | |
| box | An optional bounding box. | |
| geometry | The object geometry. This may be null for non-spatial features. | |
| Type | "Feature" | Clients may be able to handle the type "FeatureCollection,” but this is out of scope of the objects. |
- category specifies a generic "free text" subcategory description for the feature. To be used for display only.
- featureType, such as Place, Roadsegment, and Building.
- isoCountryCode identifies the ISO-3166 Alpha-3 code of the country. This is included for all countries. For more information about ISO-3166 Alpha-3 codes, refer to the International Organization for Standardization.
- Map Objects metadata ("properties"."@ns:com:here:mom:meta"):
- hashPayload - this is a SHA1 checksum over the payload of the object. Metadata is excluded from the calculation.
- createdTS - Timestamp of the initial creation of the object using the RFC-822 time zone.
- lastUpdatedTS - Timestamp of the last modification of the object.
- lastReviewedTS – Timestamp of the last review of feature.
- lastUpdatedBy – An optional token identifying the user who last modified the object.
- modelVersion – Identifies the Marketplace Object Model version.
- sourceId – Source of the data.
- layerId – Identification of the data layer the feature is published in.
- All metadata is optional and is not published if unknown.
