NeverTileDiscardPolicy

new NeverTileDiscardPolicy()

A TileDiscardPolicy specifying that tile images should never be discard.
See:

Methods

isReady()

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)Promise.<Boolean>

Given a tile image, decide whether to discard that image.
Name Type Description
image Image | Promise.<Image> 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.