I am having issues with the output image quality of MapServer. I have a mapserver set up as a wms server up high res orthophoto images. The images are in tiled geotiff format with JPEG / YCBCR compression with internal gaussen overviews and referenced using a tile index in the mapfile with the PROCESSING RESAMPLE=BILINEAR directive. Mapserver 5.6.7 is set up using AGG with imagemode RGBA. I have noticed that the images generated have aliasing in areas of high contrast when viewing at various scales (full res seems fine). What is the optimal setup to reduce this effect?
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