installer quantum GIS
Librairie à installer avant
ref http://slackbuilds.org/repository/13.1/libraries/gdal/
wget http://slackbuilds.org/slackbuilds/13.1/libraries/gdal.tar.gz
tar -zxf gdal.tar.gz
http://slackbuilds.org/repository/13.1/libraries/gsl/
http://downloads.sourceforge.net/numpy/numpy-1.4.1.tar.gz
http://slackbuilds.org/repository/13.1/libraries/qwt/