new NeverTileDiscardPolicy
A TileDiscardPolicy specifying that tile images should never be discard.
Methods
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<static> prototype.isReady
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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. -
<static> prototype.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:
A promise that will resolve to true if the tile should be discarded.