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MotionTrackerFrameSource component reference

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Explore properties in the MotionTrackerFrameSource component window to customize camera and motion tracking parameters.

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Component screenshot under default conditions.

Property Description
Desired Focus Mode Desired focus mode. Options:
  • Default: Use default value, actual selection relates to used AR features.
  • Input: Use specified value.
When selecting Input, options:
  • Continousauto: Continuous auto-focus mode, high image clarity, average tracking effect. Actual focus effect depends on device capability.
  • Medium: Medium-distance fixed-focus mode, average image clarity, better tracking effect, actual focus effect depends on device capability.
Desired Resolution Desired resolution. Options:
  • Default: Use default value.
  • Input: Use specified value.
When selecting Input, options:
  • Resolution_1280: Standard resolution is 1280 x 960 or 1280 x 720, actual resolution depends on device capability.
  • Resolution_640: Standard resolution is 640 x 480 or 640 x 360, actual resolution depends on device capability.
Desired Frame Rate Desired camera frame rate. Options:
  • Default: Use default value.
  • Input: Use specified value.
When selecting Input, options:
  • Camera_FPS_30: Device frame rate is 30fps, actual frame rate depends on device capability.
  • Camera_FPS_60: Device frame rate is 60fps or 30fps, actual frame rate depends on device capability.
Advanced Options Advanced options. Usually no modification needed in most cases.
        Desired Min Quality Level Desired minimum allowed quality level. Options:
  • Default: Use default value.
  • Input: Use specified value.
When selecting Input, options:
  • NotSupported: Device doesn't support motion tracking, possibly due to unmet adaptation standards or not yet adapted.
  • Bad: Device doesn't fully meet standards, unstable scale, usable for small scenes within desktop scale.
  • Limited: Device doesn't fully meet standards, scale is nearly accurate, usable for medium scenes within room scale, such as AR games, AR navigation.
  • Good: Device meets standards, scale is accurate, usable for large scenes at building scale, such as AR games, AR navigation, 3D reconstruction.
        Desired Tracking Mode Desired tracking mode. Options:
  • Default: Use default value.
  • Input: Use specified value.
When selecting Input, options:
  • VIO: Only tracking and click collision point cloud, low CPU and memory usage, but doesn't support plane detection, relocation, or anchors.
  • SLAM: Simultaneous tracking and mapping, supports relocation after loss, click collision point cloud, and plane detection, but no anchors, no real-time pose correction, and slightly higher CPU/memory usage.
  • Anchor: Simultaneous tracking and mapping, supports relocation after loss, click collision point cloud, plane detection, and anchors, but highest CPU and memory usage.
  • LargeScale: Suitable for large scenes, simultaneous tracking and mapping, supports relocation after loss, click collision point cloud, plane detection, and anchors. More stable tracking under large depth-of-field.
        Camera Candidate Alternative for Camera, only effective when Unity XR Origin isn't used. If unset, uses Camera.main.