Re: [Matplotlib-users] Rendering a plot into a variable?

[Ken M. <mc...@ii...>]

On Mar 25, 2006, at 10:15 AM, Steve Bergman wrote:
> I need to be able to render a plot (actually a pie) in png, jpg, or  
> gif format directly into a variable that I can return to the  
> application server.  I'm currently using the rather ugly method of  
> writing to a temp file and then reading it back in and returning  
> the data.  Is there a way to do this completely in memory?

Attached is a script which uses the Agg backend and the Python  
Imaging Library to generate the PNG as a string.  The same caveats  
about pylab and multithreading still apply.  I hope this helps you  
get started.

Ken