On Friday 19 March 2010 10:21:30 Frederik Ramm wrote: > 1. Invent a custom projection that will do it for me. - Is the whole > proj4 projection support versatile enough for that (even if I wanted to > rotate not by 180 degrees but, say, by 131 degrees)?
I'm pretty sure it can be done. If you use WKT strings instead of proj4 string, you'll be able to invert the axis accordingly > 2. Tell Mapnik to render the labels and symbols at 180 degrees angle, > and later rotate the resulting bitmap. Sounds like an ugly hack. I wouldn't do it. > Other ideas, experiences? The obvious one: dump the data on PostGIS, then run a clever query to invert the latitude. Or invert the latitude just before dumping to PostGIS. Cheers, -- ---------------------------------- Iván Sánchez Ortega <[email protected]> http://ivan.sanchezortega.es MSN:[email protected] Jabber:[email protected] ; [email protected] IRC: ivansanchez @ OFTC & freenode _______________________________________________ Mapnik-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/mapnik-users

