[Portugal] QGis e GeoWebCache

[cremat0rio]

Olá a todos!

Ao tentar pôr o QGis a funcionar com o GeoWebCache, estou a sentir algumas
dificuldades.
Tenho o Geoserver 2.0.2 e alterei o endereço do WMS para
http://xpto:8080/geoserver/gwc/service/wms
Nos logs do geoserver aparecem mensagens como as seguintes:
X,Y values for the tile index were calculated to be {2.6858205358000005,
6.474380232400005}  which had to be rounded to {3, 6}  and exceeds the
threshold of 10%. Perhaps the client is using the wrong origin ?

The requested tile dimensions 756x752 do not match those of the grid set
(256x256)

Requested horizontal resolution: 146.2843346171875 , best match: 78.125
exceeds 10% threshold. Perhaps the client is configured  with an incorrect
set of scales (resolutions),  or the DPI setting is off compared to the one
in GWC ?

Estou a usar o mesmo EPSG tanto no QGis como no layer, aliás, o WMS sem a
cache pelo meio funciona correctamente.
Se fizer “Zoom to layer extent” no QGis ele faz um zoom-out enorme, dando o
erro:
Requested horizontal resolution: 491.7499086757812 , best match: 78.125
exceeds 10% threshold. Perhaps the client is configured  with an incorrect
set of scales (resolutions),  or the DPI setting is off compared to the one
in GWC ?

Qualquer ajuda na resolução desta situação é muito apreciada.
Desculpem se esta descrição for muito incompleta.

David
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