# MapMetadata Source: https://www.nianticspatial.com/docs/api/swift/NSDK.struct-MapMetadata/ MapMetadata Structure representing the metadata of a device map for visualization and processing. --- ## Declaration struct MapMetadata --- ## Properties | Name | Type | Summary | | --- | --- | --- | | var errors | [Float | Per-point standard deviations in meters. | | let owner | ResourceOwner? | The owner of the map metadata.- Attention: The owner must be released when the map metadata is no longer needed. | | var points | [Float | Point positions in ARKit coordinates, stored as three floats per point. | | let pointsCount | UInt32 | The number of feature points in the map. | | let usesLearnedFeatures | Bool | Whether the map uses learned features. | ---