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I have Tilestache working great over apache/mod_python. All of my mapnik.xml driven layers work well until I add a 'Metatiles' directive in the layer and then i get the following error:

AttributeError: Layer instance has no attribute 'palette256'

Here's the tilestache.cfg:

"bldglabels": { "provider": { "name": "mapnik", "mapfile": "/etc/mapxml/bldglabels.xml" }, "metatile": { "rows": 4, "columns": 4, "buffer": 64 } },

Any idea what I'm doing wrong? Thanks!

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    Just an update for anyone finding this: I used Tilemill to generate the mapnik xml files. adding the metatile directive to the xml still broke tilestache for me, but adding "Map {buffer-size: 256;}" to the tilemill .mss is a workaround and fixes the label cropping on tile edges. tilestache will render the xml fine with that directive int he "map" section. – jamierob Apr 22 '14 at 20:02
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Not a lot of documentation about that parameter, but I was able to get my configuration working by specifying "png options": {"palette256": True} in my layer configuration.

  • I ended up not liking how that palette impacted transparency rendering, so I set it to False instead. – probabble May 20 '14 at 21:11

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