MotionTrackerCameraDeviceTrackingMode Enum

Constant	Value	Description
VIO	0	Tracking and hitTestAgainstPointCloud is supported, but plane detection, relocation and anchor are not. It has low CPU and memory usage.
SLAM	1	SLAM(Simultaneous tracking and mapping) supports relocation, plane detection and hitTestAgainstPointCloud. CPU and memory usage are higher. Real time pose correction of anchor is not supported.
Anchor	2	Anchor is SLAM(Simultaneous tracking and mapping) with real time pose correction. CPU and memory usage are highest. Anchor supports relocation, plane detection, hitTestAgainstPointCloud and pose correction. Anchor is automatically saved when hitTestAgainstPointCloud is called.
LargeScale	3	LargeScale is SLAM(Simultaneous tracking and mapping) with real time pose correction in large scenes.Tracking is more stable at a large depth of field. LargeScale supports relocation, plane detection, hitTestAgainstPointCloud and pose correction. Anchor is automatically saved when hitTestAgainstPointCloud is called.