Hello all,

How does Geoserver reproject rasters by default? I'm interested in what kind of 
interpolation method is used, and is there a possibility to choose that in UI 
(or somewhere else)? 

Another question is how the cell size / cell count issue is taken care of? 

In our current case the source WMS server has layers natively in an UTM 
projection (EPSG:3067) and we need to reproject a layer to a normal Mercator 
projection (EPSG:3395). In theory there should be two steps, first from UTM to 
ellipsoid and then from ellipsoid to Mercator. In the first step the cell would 
be distorted from a square to rectangular ring arc segment. The second step 
would just change the scale more or less.

Best regards,

  Antti 


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