Thanks, John. That worked just fine for me. After posting, I realized PNG 
was my problem, but none of the other formats compatible with savefig are 
animate-able either, so I was at a loss. 

Linda, I wasn't able to access your notebook.

It would be great if there were a help document/tutorial dedicated solely 
to using Sage in conjunction with matplotlib(/scipy/numpy?), but I suppose 
that's a conversation for another thread. Perhaps I'll write it...after I 
figure it out. Or maybe I'll decide it's superfluous.

On Saturday, January 19, 2013 1:36:21 PM UTC-6, John H Palmieri wrote:
>
>
>
> On Wednesday, January 16, 2013 9:41:14 PM UTC-8, David Morawski wrote:
>>
>> I'm having some troubles figuring out matplotlib from within Sage. I'm 
>> interested in doing some animations, so I started with the first 
>> example<http://matplotlib.org/examples/animation/animate_decay.html>on 
>> matplotlib.org. I downloaded the source 
>> code<http://matplotlib.org/examples/animation/animate_decay.py>for the 
>> example and ran the following:
>>
>> sage: load('animate_decay.py')
>> sage: plt.savefig('blah.png')
>>
>
>
> Instead:
>
>     sage: from animate_decay import *
>     sage: ani.save('blah.mp4')
>
> or
>
>     sage: ani.save('blah.avi')
>
> (Can you store animations in png files?)
>
> -- 
> John
>
>

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