Hey Andrea; I am still trying to figure out what your optimization did ... > Years ago, way before my involvement in GeoServer, I > introduced a rendering optimization for lines. The > observation was that if the line width was less than > 1.5 pixels, setting it to 0 flat would make the rendering > quite a bit faster (30%+ if my memory serves me right) > and the visual result would have been the same. > This magic number of 1.5 only makes sense if anti-alias is turned off right. To keep in the spirit of the optimization it should be set to 1.25 (if we assume 4x subsampling); or turned off completly if anti-aliasing is turned on? > For the trunk series, I'd say that we should turn the > optimization off by default, but leave the toggle around for > one more release cycle, after which, we remove it completely. > > How does this sound? > That sounds fine; I am still looking at the pictures and trying to decide what has changed. The "thin line" pictures are very thin indeed. > Cheers > Andrea > >
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