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Map and Layer objects both have a new parameter 'srs', initialized to "+proj=latlong +datum=WGS84" by default.
Basic usage (Python):
p = Projection("+proj=merc +datum=WGS84")
point = p.forward(Coord(-2,51))
...
2.reflected arithmetic operators for Envelope/Coord into Python
3.altered return policies for python objects
4.modified build system to require proj4 lib and headers
# $Id$ This directory contains a sample python script implementing the Mapnik API. The script is thoroughly commented and also acts as a mini tutorial. Reading it should get you on your way, and you can use it as a base for your work. You must compile and install mapnik and the python bindings FIRST. Once this is done, run it: /path/to/python rundemo.py If all goes well, it should render 2 map images: demo.jpg demo.png Have a look! Cheers, J.F.