[QGIS-Developer] Disappearing -180 / 180 longitude grid lines on certain zoom levels

C Hamilton adenaculture at gmail.com
Tue Aug 28 12:45:21 PDT 2018

With EPSG:4326 it does not seem to happen, but I tried EPSG:3857 and the
-180,180 grid lines do appear and disappear at different zoom levels. I
also confirm this with the Robinson projection with the addition that the
-90, 90 degree latitude lines also appear and disappear.


On Tue, Aug 28, 2018 at 3:31 PM, Andreas Neumann <a.neumann at carto.net>

> Hi again,
> For some time already I noticed that, depending on the zoom level, the
> -180 / 180 degree grid lines appear / disappear in QGIS. This is unrelated
> to the EqualEarth projection just discussed and also appears on other world
> projections, like the Robinson projection.
> Here is the testfile I used with world (countries) and gridlines:
> http://www.carto.net/neumann/temp/gridlines.gpkg
> Can you reproduce this behaviour?
> Any idea why this happens and how this could be fixed?
> Thanks,
> Andreas
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