[OSM-talk] Simple GD rendering

[Hamish]

> Just playing with a PHP/GD renderer for the OSM data - it's all based
> on  planet.osm, so nothing more recent than April.
> 
> http://almien.co.uk/OSM/Viewer/


You might want to scale local maps in a map projection like UTM that is
a bit more equal-area than Plate Carrée. Or just scale x-axis by
cos(lat). That way you can make accurate scale bars etc. Maps spanning
more than 200km or so should probably continue to use Plate Carrée
(1lat : 1lon).



Hamish