On Jan 5, 2011, at 3:57 PM, Colin Marquardt wrote: > 2011/1/5 Dane Springmeyer <[email protected]>: >> Also, would be great to know more about your usecase - why no antialiasing? > > I don't know Aurelien's use case, but I could imagine using this for a > contour line overlay where it might be quicker to patch the headers of > PNG files instead of re-rendering the tiles if you just want to change > the line color. Due to mix colors, this wouldn't work well with > antialiasing. > Actually, you might use that to filter out, say, 20-meter contours out > of tiles showing both 20-meter and 100-meter contours (if the two line > types use distinct colors). Admittely, this a bit of a constructed > case :)
Ya, it was re-classing of polygons (based on color) which was one of the reasons I added gamma to the polygon symbolizers. > > Cheers > Colin _______________________________________________ Mapnik-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/mapnik-users
