matplotlib/matplotlib — pull request #819 by dmcdougall (2012-04-07 23:40:08+00:00)
Title: Add new plot style: stackplot

This addresses issue #359.

There is also an example so you can try out the pull request. Sample output from this code is provided below:

![stackplot](http://i.imgur.com/c3rqX.png)

Feedback is greatly appreciated, as always.