[OSM-dev] Mapnik: black transparent tiles

[Darafei Praliaskouski]

В сообщении от 21 марта 2012 15:57:21 автор marqqs at gmx.eu написал:
> Hello,
> 
> once in a while, Mapnik creates black tiles. For example:
> 
> http://openfiremap.org/?zoom=14&lat=48.11357&lon=11.52722&layers=B0000
> 
> Does anybody know the reason for this behaviour?
You need to either a) ues png instead of png256 compression or b) use hextree 
algorythm instead of default octree.

Komяpa, OSM BY Team