On Wednesday, July 27, 2011, Nicolas Rougier <nicolas.roug...@inria.fr>
wrote:
>
>
> Hi all,
>
> I've been testing various idea around the idea of a GL backend, and I
would have a few questions.
> First, I tried to use the backend template to quickly test an empty pyglet
backend and I've been quite surprised by the bad performances. Without
drawing anything, I can hardly reach 100FPS and I wonder if I did something
wrong ? (The backend is available backend_pyglet.py <
http://www.loria.fr/~rougier/tmp/backend_pyglet.py> and the test file is
at test_backend_pyglet.py <
http://www.loria.fr/~rougier/tmp/test_backend_pyglet.py>)
>
> Second, I've been experimenting with proper anti-alias technics (using
shaders) and the results are not so bad so far (IMHO) :
> Antialiased line with thickness varying by 0.1 pixels:
> http://www.loria.fr/~rougier/tmp/aa-line.png
> (don't paid attention to the cap, it's not done yet)
>
> Antialiased circles (small circles position is increased by 0.1 pixels)
> http://www.loria.fr/~rougier/tmp/aa-circle.png
> (I can post source code if anyone is interested)
> I don't know yet if all matplotlib artists can be drawing using these
technics.
>
> My question relates to the cairo backend that now seems to support gl and
shaders. Does anyone know the status of the gl-backend and how it would
improve performances of matplotlib ? (I had a hard time finding any
information).
>
> Nicolas
Nicolas,
I want to immediately encourage you to continue on your efforts. PLEASE
make a fork on github so that we may be able to experiment better.
Cheers!
Ben Root
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