Re: [matplotlib-devel] Large datasets performance....

2009-06-17 Thread Michael Droettboom
Ludwig Schwardt wrote: > Does the new path simplification code use a similar approach to snd? > I've always wanted something like that in matplotlib... :-) > > Not knowing the details of what snd is doing, I would say "probably". The general idea is to remove points on-the-fly that do not chan

Re: [matplotlib-devel] Large datasets performance....

2009-06-17 Thread Ludwig Schwardt
Hi, On this subject, one program that has pretty impressive interactive visualisation is the venerable snd (http://ccrma.stanford.edu/software/snd/). It displays hours of audio in a flash and allows you pan and zoom the signal without a hitch. It only plots an envelope of the audio signal at first

Re: [matplotlib-devel] Large datasets performance....

2009-06-17 Thread Jimmy Paillet
The demo-animation.py worked beautifully out of the box at 150fps I upped a bit the array size to 1200x1200...still around 40fps... very interesting... jimmy 2009/6/17 Jimmy Paillet > > > 2009/6/17 Michael Droettboom > >> vehemental wrote: >> >>> Hello, >>> >>> I'm using matplotlib for

Re: [matplotlib-devel] Large datasets performance....

2009-06-17 Thread Nicolas Rougier
I think the setter method is available in python 2.6 only. I modified sources and put them at same place. It should be ok now. Nicolas On Wed, 2009-06-17 at 10:10 -0500, Gökhan SEVER wrote: > On Wed, Jun 17, 2009 at 9:25 AM, Nicolas Rougier > wrote: > > Hello, > >

Re: [matplotlib-devel] Large datasets performance....

2009-06-17 Thread Gökhan SEVER
On Wed, Jun 17, 2009 at 9:25 AM, Nicolas Rougier wrote: > > Hello, > > To give you some hints on performances using OpenGL, you can have a look > at glumpy: > http://www.loria.fr/~rougier/tmp/glumpy.tgz > (It requires pyglet for the OpenGL backend).

Re: [matplotlib-devel] Large datasets performance....

2009-06-17 Thread Jimmy Paillet
2009/6/17 Michael Droettboom > vehemental wrote: > >> Hello, >> >> I'm using matplotlib for various tasks beautifully...but on some >> occasions, >> I have to visualize large datasets (in the range of 10M data points) >> (using >> imshow or regular plots)...system start to choke a bit at that poi

Re: [matplotlib-devel] Large datasets performance....

2009-06-17 Thread Michael Droettboom
vehemental wrote: > Hello, > > I'm using matplotlib for various tasks beautifully...but on some occasions, > I have to visualize large datasets (in the range of 10M data points) (using > imshow or regular plots)...system start to choke a bit at that point... > The first thing I would check is wh

Re: [matplotlib-devel] Large datasets performance....

2009-06-17 Thread Nicolas Rougier
Hello, To give you some hints on performances using OpenGL, you can have a look at glumpy: http://www.loria.fr/~rougier/tmp/glumpy.tgz (It requires pyglet for the OpenGL backend). It is not yet finished but it is usable. Current version allows to visualize static numpy float32 array up to 8000x8

[matplotlib-devel] Large datasets performance....

2009-06-17 Thread vehemental
Hello, I'm using matplotlib for various tasks beautifully...but on some occasions, I have to visualize large datasets (in the range of 10M data points) (using imshow or regular plots)...system start to choke a bit at that point... I would like to be consistent somehow and not use different tools