On 10/24/2013 12:40 PM, efujioka wrote:
Through further trials and errors, I found dropping SYMBOL parameter from the
polygon STYLE improves the image (artifacts less obvious). I should have
noticed this before...
Anyway, I still see slight artifacts and the tile image is less crisp than
5.2 due to anti-alias that you can't turn off??
An ideal solution would be to allow to turn off anti-alias for AGG/PNG with
RGBA, I guess. As I said before, GD/PNG with PC256 works fine (get an image
as crisp as with 5.2 [GD/PNG with RGBA] without artifacts) but it can't make
the layer transparent. So I think I'm stuck.
Try this for your output format:
OUTPUTFORMAT
NAME "agg_qn"
DRIVER "AGG/PNG"
EXTENSION "png"
MIMETYPE "image/png; mode=8bit"
IMAGEMODE RGB
FORMATOPTION "INTERLACE=false"
FORMATOPTION "QUANTIZE_NEW=ON"
FORMATOPTION "QUANTIZE_DITHER=OFF"
FORMATOPTION "QUANTIZE_COLORS=256"
FORMATOPTION "TRANSPARENT=ON"
TRANSPARENT ON
END
-Steve
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