Re: [Geoserver-users] How to enable anti-aliasing for WMS rendered from raster data

[Andrea A. <aa...@op...>]

Min Feng wrote:
> Dear all,
> 
> I am trying to create a WMS layer from a GeoTIFF image using
> GeoServer. However, I noticed that the WMS images looks much worse
> than viewing the TIFF in my picture editor tools, especially when
> viewing it after zooming out. It turns out that these tools did
> anti-aliasing after zooming out the image. I wonder if GeoServer
> supports anti-aliasing feature for WMS? I noticed the "anti-aliasing"
> option in the "WMS Service" configuration page, but it seams the
> option is only for SVG and has nothing to do with the WMS images
> rendered from raster data.

What you want is called interpolation, not antialiasing.
Try setting bilinear interpolation in the wms page.
Mind, that comes with quite a performance price

Cheers
Andrea