I defined a XYZ source and added to map

var source = new ol.source.XYZ({
  url: 'http://blabla.com/{x}/{y}/{z}.png',
  crossOrigin: 'anonymous'

During runtime I can access specific tile by


Now I want to change this tile image. I tried setting src_ and image_ properties but no change.


OK, I found the solution.

Firstly change tile's src by calling

map.getLayers().getArray()[0].getSource().getTile(2,1,-3).image_.src="base64 or new url"

Then call changed() function on the tile


After all to refresh this tile call changed() function on the source object


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