Allow overriding the tilesAtZoom function. #568
Merged
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Prior to this, it was assumed that there was 2^level tiles in each direction at each level. For non-square tile source (such as slide images), this is not the case. Unless (until?) the tilesLayer knows how many pixels of tiles are available for the maximum level, the
tilesAtZoom
function needs to change. This allows it to be specified as an option.This is related to issue #544, but does not complete that.