2009/8/31 Tom Chance <t...@acrewoods.net>:
> There's a curious Mapnik problem in Peckham, London:
>
> http://www.openstreetmap.org/?mlat=51.47008&mlon=-0.06592&zoom=16&layers=B000FTF
>
> That industrial park has been split into two halves at that particular zoom
> level - each with a different shade of purple - for months. Zoom in and it's
> the newer, darker purple. There's no problem that I can see with the data, and
> I've even made updates to the area which have forced the left hand, lighter
> tile to be redrawn. But it's still split.
>
> Any ideas?
That looks like an artefact of the colour reduction algorithm used to
make the 256 colour PNG files. It is quite rare and I don't know how
to fix it.
--
Jon
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