On Dec 6, 2010, at 2:30 PM, yvecai wrote: > At last, I come up with something that seems ok: A simple way for users to > make a complete legend out of a mapnik xml map file. > It's here: > https://github.com/yvecai/RenderLegend > And the result can be seen here: > http://dev-yves.dyndns.org/legend/page.html > I tested the script on several map files found here and there, feel free to > test it with yours. >
way cool! btw, in your intro you might want to point to the OSM Plugin wiki page (rather than the api docs): http://trac.mapnik.org/wiki/OsmPlugin > Deeper work can be done in parsing the database queries in the postgis > datasource, but everything works on the slippy map except turning circles > and spur-siding-yards (select ... as statements). Ya, amazingly well. > > Concerning mapnik, I stumbled on the PolygonSymbolizer issue with osm > datasource (http://trac.mapnik.org/ticket/673). As a workaround I don't allow > polygons to be rendered with rules that do not contain a polygonSymbolizer by > adding a filter. If you want a node in the middle of the polygon, say so. Okay. > > The next issue I have is for managing external entities in the xml: this > would be really easy to serialize the style sheet with mapnik.load_map(), but > this does not work if the database parameter or shapefiles in the original > stylesheet are not correctly set (http://trac.mapnik.org/ticket/153). We can revisit that ticket - maybe we could turn status into an enum { 'on', 'off', 'hidden' } or something like that... > And setting them is not as user friendly as I wanted. Can I ask what you were hoping for? > Maybe mapnik.load_map() could use an extra parameter that would avoid > datasource validation ? > Your wish is granted: http://trac.mapnik.org/ticket/622 (just needs thoughtful approach to how to expose in xml) > Comments welcome! > _______________________________________________ > 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
