Buffer region not served as part of the vector tile about t-rex HOT 2 CLOSED

Thanks fo rthe very detailed report. I tried to reproduce the problem with bbox the successor of t-rex. The result displayed by QGIS looks exactly the same:

BBOX does use PostGIS ST_AsMvt with the given buffer size which should give the same result as the t-rex query above.

My explanation is, that QGIS does only shows the part of the geomtry within the tile bounds and not the buffer around the tile. So probably the geometry content is the one you expect, but not fully displayed. Maybe you find a MVT debugging tool, which shows also the geometry part of the buffer around the tile?

from t-rex.

Indeed. I thought I double checked for it. I now learned the CLIP option for the MVT import driver only works, if the driver is able to guess the tile coordinates which requires a file name like {Z}-{X}-{Y}.pbf. Setting CLIP to NO reveals the buffer.

Now the border artifacts in my original application are gone. It seems there was some other error which lead me to this assumption.

from t-rex.