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
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Determines if the discard policy is ready to process images.
Returns:
Boolean True if the discard policy is ready to process images; otherwise, false. -
shouldDiscardImage
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Given a tile image, decide whether to discard that image.
Parameters:
Name Type Description imageImage | Promise An image, or a promise that will resolve to an image. Returns:
Boolean A promise that will resolve to true if the tile should be discarded.