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callback
(function): A callback function to execute. It will be passed an object with the following properties:pan
(number): The pan of the click eventtilt
(number): The tilt of the click eventlat
(number): The calculated latitude at the click eventlon
(number): The calculated longitude at the click eventlng
(number): The calculated longitude at the click eventele
(number): The calculated altitude at the click event, measured in meters above sea level
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