TMS implementation based on node.js
Version 0.1
https://github.com/mapnik/mapnik/wiki/GettingStartedInXML
Download the data from the Natural Earth Data site.
To download and unzip on the command line with the do:
wget https://github.com/mapnik/mapnik/wiki/data/110m-admin-0-countries.zip
unzip 110m-admin-0-countries.zip # creates ne_110m_admin_0_countries.shp
Create the world_style.xml: