An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Orientations used in tracking visibility test. For reference, a pitch of 0° and a yaw of 0° denotes the orientation in which the top of the LRS is facing toward the camera, whereas a pitch of 90° and yaw of 180° denotes a horizontal orientation facing away from the camera.