new TileDiscardPolicy()
A policy for discarding tile images according to some criteria. This type describes an
interface and is not intended to be instantiated directly.
Methods
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isReady() → Boolean
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Determines if the discard policy is ready to process images.
Returns:
True if the discard policy is ready to process images; otherwise, false. -
shouldDiscardImage(image) → Boolean
-
Given a tile image, decide whether to discard that image.
Name Type Description imageImage | Promise An image, or a promise that will resolve to an image. Returns:
A promise that will resolve to true if the tile should be discarded.