Can you post the outputformats defined in your mapfile, and the urls used to access each of these images?
-- thomas On Mon, Dec 17, 2012 at 4:18 PM, Cédric MOULLET <[email protected]>wrote: > I realize that links have been sent and not pictures > Here are reachable links for the three cases: > 1. > https://picasaweb.google.com/lh/photo/j_OClw5fGOeQE7K1wiimytMTjNZETYmyPJy0liipFm0?feat=directlink > 2. > https://picasaweb.google.com/lh/photo/3q52h52EwOp9JzZm3KAWbNMTjNZETYmyPJy0liipFm0?feat=directlink > 3. > https://picasaweb.google.com/lh/photo/GTAThw7AOVMK-j-7DWAabtMTjNZETYmyPJy0liipFm0?feat=directlink > Cédric > > > On Mon, Dec 17, 2012 at 4:11 PM, Cédric MOULLET > <[email protected]>wrote: > >> Hi, >> The following issue has been observed with MapServer 6.0.3: >> >> 1. Very good quality for a PNG with RESAMPLE=BILINEAR and >> OVERSAMPLE_RATIO=16: >> [image: >> http://wms-bgdi.bgdi.admin.ch/?lang=xx&LAYERS=ch.swisstopo.pixelkarte-grau-pk100_bazl&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&SRS=EPSG%3A21781&BBOX=513184,143152,519840,149808&WIDTH=256&HEIGHT=256] >> >> 2. Less good quality for a PNG or JPEG with default resampling settings: >> [image: >> http://wms-bgdi.bgdi.admin.ch/?lang=xx&LAYERS=ch.swisstopo.pixelkarte-grau-pk100_original&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&SRS=EPSG%3A21781&BBOX=513184,143152,519840,149808&WIDTH=256&HEIGHT=256] >> >> 3. Awful quality for JPEG with RESAMPLE=BILINEAR and OVERSAMPLE_RATIO=16: >> [image: >> http://wms-bgdi.bgdi.admin.ch/?lang=xx&LAYERS=ch.swisstopo.pixelkarte-grau-pk100_bazl&FORMAT=image%2Fjpeg&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&SRS=EPSG%3A21781&BBOX=513184,143152,519840,149808&WIDTH=256&HEIGHT=256] >> >> Any idea why the OVERSAMPLE_RATIO affects heavily the quality of JPEG >> images ? >> >> Thanks in advance for your help, >> Cédric >> > > > > -- > Political blog: http://cedricmoullet.blogspot.com/ > Welcome to my world: http://www.cedricmoullet.com/ > My Linked In profile: http://www.linkedin.com/in/cedricmoullet > Twitter: http://twitter.com/cedricmoullet > Home sweet home: > http://map.geo.admin.ch/?crosshair=bowl&zoom=11&X=185241.24219&Y=561288.90625&bgOpacity=0&selectedNode=node_ch.swisstopo.fixpunkte-lage1 > > > _______________________________________________ > mapserver-users mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/mapserver-users > >
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