Did you know Mapnik has some exciting Ruby bindings taking shape on github?
Well, you should check them out. Elliot Laster is the fine fellow who has been working on them and over 200 tests are already passing.
After compiling mapnik trunk on OS X here is how I built the ruby bindings:
And using the Mapnik2/trunk nightlies on ubuntu here is how you can get things running:Posted by Dane Springmeyer on 29 August 2011.