Hey!

I'm one of the many people who make "offline" maps for the iPhone/iPad/iPod Touch.  I charge for my products but for a limited time, I'm making one (Atlanta) free:

http://itunes.apple.com/us/app/20mb-atlanta-map/id385689407?mt=8

It will go back to being a paid application once the State of the Map US conference has completed:

http://wiki.openstreetmap.org/wiki/WikiProject_United_States/US_SOTM

Why bother downloading the my App?  I wrote a brand new render engine for Open Street Map data and there are cool new features to see.  Gone are bitmap tiles - all data is rendered on the fly using the OpenGL hardware.  Some new features you don't see every day:
  • Labels on ways and features are redrawn every frame to try to give you the best map
  • Multiple views of the same map (Transit Map, Bike Map) using the same data.
  • ~100 times compression over tiles - network bandwidth is tiny.  We can represent the 5 boroughs of New York in less than 20MB (Apples limit for app's downloaded over wifi).
  • Popups for Points of Interest - see more of the metadata available on POI's.
  • No code past planet.osm was written by Frederick Ramm. ;)
I'm still early on in application development - there are bugs with the rendering and many features in the backlog.  I'd love feedback (offline) if you have it.

John


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