Hi Marcin, Thanks very much for your contribution! Both patches are applied in the latest trunk.
Regards, Artem 2009/2/2 Marcin Rudowski <[email protected]> > Hi > > I'm not sure where to post this and hope here would be enough. > > Since recently, I'm using Mapnik to render maps for UMP-pcPL which is > OSM like project for Poland, mainly for Garmin with biggest priority on > usable routing in this devices (many restrictions): > > http://mapa.ump.waw.pl/ump-www/ > http://ump.waw.pl/ > > In short, I convert polish-format *.mp maps to OSM compatible xml format > and render with mapnik and customized styles. > > I encountered few bugs, that I fixed and decided to share: > > - TextSymbolizer option allow_overlap was ignored. This was needed to > view all available details in closest zoom: > > http://mapa.ump.waw.pl/ump-www/?zoom=18&lat=52.54352&lon=19.68832&layers=B00000T > Fix is only for POI placement. > > - png256 format had a bug, that reduced random octcubes in process of > reducing colors and in effect produced very bad palette in some more > crowded places: > http://mapa.ump.waw.pl/ump-www/png256_bug.png > notice lack of fillings in middle tile, where white color was merged > with background gray. After fix, it is fine: > > http://mapa.ump.waw.pl/ump-www/?zoom=16&lat=52.24661&lon=21.01091&layers=B00000T > Strange, it didn't appear yet in OSM maps. > This was a bug in implementation: children_[i]->count is !=0 only on > leafs parents, so higher levels(with lower index) of reducible_[] were > practically not sorted. > > In attachment there are fixes for both problems. I use mapnik-0.5.1, but > patches are prepared svn, as there were no significant changes in > affected files in the meantime. > > Marcin Rudowski > _______________________________________________ > Mapnik-users mailing list > [email protected] > https://lists.berlios.de/mailman/listinfo/mapnik-users >
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