Pre-requisites
If you want to follow through the examples in this chapter, make sure you have the following Python libraries installed on your computer:
GDAL/OGR Version 1.9 or later (http://gdal.org)
pyproj Version 1.9.2 or later (http://code.google.com/p/pyproj)
Shapely Version 1.2 or later (http://trac.gispython.org/lab/wiki/Shapely)
For more information about these libraries and how to use them, including references to the API documentation for each library, please refer to Chapter 3, Python Libraries for Geospatial Development.