Hey All,
I am doing a deep dive into the openlayers code in an attempt to further
understand how tile loading is implemented in order to fix some issues I
am having with a custom implementation. One thing that I am having
trouble figuring out is whether all of the tiles are loaded for each zoom
level right away when the zoom happens of if there is a way to get
OpenLayers to only load the visible portion of the tiles plus a buffer
(with further loading being triggered when the user pans into the buffer).
From what I can tell tile loading (addTile) is only called by
initGriddedTiles, and only when the forceReTile boolean is triggered by a
zoom or by a pan that goes completely outside of the layer boundaries?
Thanks,
Joe Miller
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