Hi,

Given a regular getMap request

http://localhost:4000/geoserver/wms?bbox=-244598.49057485908,7210763.50214684,-234814.55095186457,7220547.441769835&Format=image/png&request=GetMap&layers=XXXX&width=256&height=256&srs=EPSG:900913&transparent=true&tiled=true
 
<http://localhost:4000/geoserver/wms?bbox=-244598.49057485908,7210763.50214684,-234814.55095186457,7220547.441769835&Format=image/png&request=GetMap&layers=XXXX&width=256&height=256&srs=EPSG:900913&transparent=true&tiled=true>

I get a 256x256 image that is served using the integrated cache.

Subsequently if I request the same with a 768x768 image..

http://localhost:4000/geoserver/wms?bbox=-244598.49057485908,7210763.50214684,-234814.55095186457,7220547.441769835&Format=image/png&request=GetMap&layers=XXXX&width=768&height=768&srs=EPSG:900913&transparent=true&tiled=true
 
<http://localhost:4000/geoserver/wms?bbox=-244598.49057485908,7210763.50214684,-234814.55095186457,7220547.441769835&Format=image/png&request=GetMap&layers=XXXX&width=256&height=256&srs=EPSG:900913&transparent=true&tiled=true>

Then I get a 768x768 image that is NOT cached. The error is that the request 
does not align to the grid set EPSG:900913

So.. What I would like to achieve is a 768x768 representation of the same 
original 256x256 tile and have that returned through the cache, i.e. The image 
contains the same details but is just an increase in resolution.. How do you do 
this?

Kind Regards,

Rob

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