new Cesium.DiscardEmptyTileImagePolicy()

A policy for discarding tile images that contain no data (and so aren't actually images). This policy discards DiscardEmptyTileImagePolicy.EMPTY_IMAGE, which is expected to be used in place of any empty tile images by the image loading code.


static readonly Cesium.DiscardEmptyTileImagePolicy.EMPTY_IMAGE : HTMLImageElement

Default value for representing an empty image.


Determines if the discard policy is ready to process images.
True if the discard policy is ready to process images; otherwise, false.
Given a tile image, decide whether to discard that image.
Name Type Description
image HTMLImageElement An image to test.
True if the image should be discarded; otherwise, false.
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