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←API Reference ←NSDK ←NSDKMapStorage

extractMapMetadata

Declaration

func extractMapMetadata(anchorPayload: String, map: NSDKBuffer) throws -> MapMetadata?

Summary

Extracts metadata from a map relative to a specified anchor.
Render the feature points in the metadata relative to the specified anchor to visualize the map.
This is only possible when the anchor is linked directly to the map's node(s), or if
the anchor's nodes are reachable to the map's nodes from the currently active
transform graph.

Returns

The metadata of the map if successful, nil if otherwise.

Throws

NSDKError.invalidArgumentor NSDKError.nullArgument indicating a problem with either argument. Check NSDK's C logs for more information.

Parameters

Name	Type	Summary
anchorPayload	String	The base64-encoded payload of the anchor that the returned points will be relative to.
map	NSDKBuffer	The map buffer to extract metadata from.

Method extractMapMetadata extractMapMetadata

Declaration​

Summary​

Returns​

Throws​

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