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I have created image Pyramid of 4 levels using gdal retile and published it on GeoServer using ImagePyramid technique. When I am accessing it in QGIS, it seems to work fine but at the zoom level from 1:2000 to 1:900. I am getting some white line between the tiles.enter image description here

also, I have published each folder of pyramid separately on Geoserver using image mosaic technique. when I am accessing these layers in Qgis. in folder layer 0, 2 and 4 I haven't found the white lines between tiles at any zoom level.enter image description here but when I am loading folder layer 1, whites lines are appearing between the tiles at the same zoom level. I have also tried the "Input/output Transparent Color" set to white but it's not helpful.

Can anybody suggest why white lines appear and how to remove it?

  • Do you use gdal_retile.py? Try to add a small overlap. There should be no need to use overlap but there may be a bug in gdal_retile. – user30184 Jun 16 '18 at 10:25

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