[IPython-dev] Interactive Matplotlib in the browser

[Jason Grout]

On 10/11/12 5:08 PM, Jason Grout wrote:
> On 10/11/12 4:49 PM, Michael Droettboom wrote:
>> I have a proof-of-concept way to make interactive plots in the browser
>> work using transparent PNGs described here:
>>
>> http://mdboom.github.com/blog/2012/10/11/matplotlib-in-the-browser-its-coming/
>>
>> No PRs yet, because this is miles from ready for that, but it would be
>> helpful to get some feedback about how this works in different
>> browsers/platforms/network environments etc.
>
> When I try to run this with matplotlib 1.1.0, I get:
>
> Traceback (most recent call last):
>     File
> "/Users/grout/sage-trees/sage-5.4.rc1/local/lib/python2.7/site-packages/tornado-2.4-py2.7.egg/tornado/web.py",
> line 1042, in _execute
>       getattr(self, self.request.method.lower())(*args, **kwargs)
>     File "/Users/grout/projects/matplotlib-live/serve_figure.py", line
> 174, in get
>       np.frombuffer(renderer.buffer_rgba(), dtype=np.uint32),
> TypeError: buffer_rgba() takes exactly 3 arguments (1 given)
>
> and the image doesn't show up.  Is this something that is fixed in an
> matplotlib upgrade?
>

Making the call buffer_rgba(0,0) seems to fix it:

https://gist.github.com/3875846

Thanks,

Jason