A QGIS(2.0) plugin that allows to analyze and validate outputs of the Polaris simulations
Some of the versions of QGIS used Tkinter as default backend for matplotlib but do not distribute it! http://lists.osgeo.org/pipermail/qgis-user/2010-September/009637.html To swith to QT4, open C:\Program Files\QGIS Dufour\apps\Python27\Lib\site-packages\matplotlib\mpl-datamatplotlibrc and modify line 31 from: backend : TkAgg to: backend : Qt4Agg