Dear GeoServer Users,

I sent this out awhile back but have not received any response. I thought I'd 
send this again in case it got lost. Any help you can provide is deeply 
appreciated.

I am trying to use the transformation element in the SLD to execute a WPS 
process (for testing purposes, it simply returns the passed in GridCoverage2D 
raster). The results are not the same (please see attachments).  One looks more 
smoothed and the other one does not. They are both WW3 global, 360x181 Maximum 
Wave Height coverages.


1.       Without calling WPS process: This looks more smoothed.

http://localhost/geoserver/WW3_GLOBAL/wms?service=WMS&version=1.1.0&request=GetMap&layers=WW3_GLOBAL:global_360x181.max_wav_ht.surface&styles=1_no_wps_style&bbox=-180.0,-90.0,180.0,90.0&width=660&height=330&srs=EPSG:4326&format=application/openlayers



2.       With calling WPS process: This does not.

http://localhost/geoserver/WW3_GLOBAL/wms?service=WMS&version=1.1.0&request=GetMap&layers=WW3_GLOBAL:global_360x181.max_wav_ht.surface&styles=2_yes_wps_style&bbox=-180.0,-90.0,180.0,90.0&width=660&height=330&srs=EPSG:4326&format=application/openlayers


Could you please tell me why the pictures look that way (and perhaps how to fix 
it)?

Thank you.

Tam O

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