Looks like you just hit a bug in the OSM plugin. I think I've fixed it just now - could you test?
http://trac.mapnik.org/ticket/542 To do so you'll need to either rebuild the 0.7.2 development branch or current trunk. The 0.7.2 development branch would likely be easiest, to do this: svn co http://svn.mapnik.org/branches/0.7.2-dev/ mapnik-0.7.2 cd mapnik-0.7.2 sudo scons install Dane On Nov 13, 2010, at 11:47 AM, yvecai wrote: > I am modifying an XML file dynamically in python as a string, and I load the > file with mapnik.load_map_from_string(...). Then, I would like to change the > datasource. > > mapnik.load_map_from_string(m,mapfile) > for l in m.layers: > l.datasource = Osm(file='element2.osm') > save_map(m,'mapfile.xml') > > The mapfile.xml take into account my new datasource 'element2.osm', but > mapnik.render(m, im) will render with my previous datasource (which is called > 'element.osm'. > The datasource is changed, but not taken into account. Any idea? > > Yves > _______________________________________________ > Mapnik-users mailing list > [email protected] > https://lists.berlios.de/mailman/listinfo/mapnik-users _______________________________________________ Mapnik-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/mapnik-users
