Perhaps some inspiriation from the following tutorial: http://flowingdata.com/2009/11/12/how-to-make-a-us-county-thematic-map-using-free-tools/
Similar, using Pentaho Data Integration (Kettle): http://blog.braintapper.com/using-pentaho-data-integration-to-make.html Examples and discussion: http://flowingdata.com/2010/10/26/unemployment-rates-over-this-past-year/ http://drop.io/inup25f/asset/unemp-change-png http://en.wikipedia.org/wiki/Jenks_Natural_Breaks_Optimization#cite_note-Jenks-0 -- Cheers, Knut Staring _______________________________________________ Mailing list: https://launchpad.net/~dhis2-devs Post to : dhis2-devs@lists.launchpad.net Unsubscribe : https://launchpad.net/~dhis2-devs More help : https://help.launchpad.net/ListHelp
