Add PROCESSING "RESAMPLE=BILINEAR"
to your raster layer. If you're feeling really free with your CPU cycles, add PROCESSING "RESAMPLE=AVERAGE" On Mon, Sep 22, 2008 at 7:50 AM, Benoît Andrieu <[EMAIL PROTECTED]> wrote: > Hello guys ! > > I currently have some problems in the quality of the images produced by > GDAL/Mapserver. > > We are using MapServer to serve raster imagery to NASA Worldwind. > Our files are in UTM and Worldwind needs WGS84 images so we do reprojection > on the fly. > Using this, we can clearly see image quality artefacts between Worldwind > (using WGS84, no choice) and a custom internal tool (showing original data). > > I can reproduce the problem using gdalwarp tool using a very simple command > line : > gdalwarp -multi -t_srs EPSG:4326 -srcnodata 0 -dstnodata 0 -r near > %FileSrc%/*_p_*8bit.tif %FileDest% > > You can see the result in the embedded file : on the right, the original > image and on the left, the resulting output. > > I suspect that using some others settings, I could improve the quality on > gdalwarp's output in a first time and on mapserver's output in a second time > but I don't know where to start... > > So if anyone could help or suggest anything, he will be welcome !!! > > Thanks in advance, > > Benoît > _______________________________________________ > mapserver-users mailing list > mapserver-users@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/mapserver-users > > _______________________________________________ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
