prefetchCircularArea
Prefetches tiles for a circular area.
Important: This is a Public Preview API. It may be changed or removed at any time.
Parameters
center
The center of the circular area.
radius
The radius of the circular area. The value must be non-negative and at maximum MAX_PREFETCH_RADIUS. The parameter defaults to DEFAULT_PREFETCH_RADIUS.
Throws
If any of the arguments is invalid.