C Specification

The XrTrackableMarkerDatabaseEntryANDROID structure configures a single marker id of a dictionary.

// Provided by XR_ANDROID_trackables_marker
typedef struct XrTrackableMarkerDatabaseEntryANDROID {
    int32_t    id;
    float      edgeSize;
} XrTrackableMarkerDatabaseEntryANDROID;

Members

Member Descriptions

  • id is the marker id as given in the dictionary.

  • edgeSize represents the size of marker edge in meters. If the runtime supports marker size estimation, the application can set this to zero and the marker size will be estimated online. If this is set to zero but the runtime does not support marker size estimation, the runtime must return XR_ERROR_VALIDATION_FAILURE.

Description

Valid Usage (Implicit)

See Also

XR_ANDROID_trackables_marker, XrTrackableMarkerDatabaseANDROID

Document Notes

For more information, see the OpenXR Specification

This page is extracted from the OpenXR Specification. Fixes and changes should be made to the Specification, not directly.

Copyright

Copyright 2014-2025 The Khronos Group Inc.

This work is licensed under a Creative Commons Attribution 4.0 International License.