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Showing 1 results of 1

From: Michael M. <mic...@gm...> - 2014年04月20日 00:08:01
On 4/19/2014 3:51 PM, Raymond Smith wrote:
> Hi Mike,
>
> Have you tried blitting? That prevents the draw from redrawing 
> everything on the plot, allowing it to only redraw the single line 
> that's moving, which should help any issues with speed. See some of 
> the examples <http://matplotlib.org/examples/animation/index.html> 
> with FuncAnimation and also a Q&A using the draw method here 
> <https://stackoverflow.com/questions/8955869/why-is-plotting-with-matplotlib-so-slow/8956211#8956211>, 
> which might work more smoothly with QTimer.
>
> Ray
>
Thanks, I'll check it out. Note that I did get FuncAnimation to work 
perfectly well except I have little control over the timing so I had a 
hard time synchronizing it with the sound. The FuncAnimation example I 
looked at wasn't very helpful if the question is how to blit or other 
details, because that's all going on behind the scenes. I will study the 
Stack Overflow Q&A and see if there is something I can directly use.
Mike

Showing 1 results of 1

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