getPanoramas
Finds and returns all spheres, passes them to the optional callback function (if provided), and returns them.
Parameters:
callback
(function): (OPTIONAL) A callback function to execute after finding the nearest sphere. It will be passed the following automatically:response
(array): An array of all spheres. Each sphere is an object with the following properties:id
(number): The sphere idlatitude
(number): The latitude of the spherelongitude
(number): The longitude of the spheredateTimeAcquired
(string | null): A string representing the date that the sphere imagery was captured
Returns: A promise that resolves to response
(array): An array of all spheres.