Re: [Matplotlib-users] Matplotlib performance

2008-04-15 Thread Matt McCormick
> I agree that exploration of large data sets is an important application, > and that we need to speed it up. A couple days ago I added automatic > subsetting (but not decimation--although this could be added easily) to > image drawing, and that made a big difference for panning and zooming > u

Re: [Matplotlib-users] Matplotlib performance

2008-04-15 Thread Eric Firing
thewtex wrote: >>> Main issue is Matplotlib's performance. I'm trying to plot a current >>> trace from a physics experiment, containing about 300,000 data points. >>> In LabVIEW, one can easily browse through a data set like this, but I >>> haven't been able yet to get such a good performance w

Re: [Matplotlib-users] Matplotlib performance

2008-04-15 Thread thewtex
> > Main issue is Matplotlib's performance. I'm trying to plot a current > > trace from a physics experiment, containing about 300,000 data points. > > In LabVIEW, one can easily browse through a data set like this, but I > > haven't been able yet to get such a good performance with > > IPytho

Re: [Matplotlib-users] Matplotlib performance

2008-03-01 Thread Onno Broekmans
JH> Note that with the clipped line approach I suggested, you can have the JH> best of both worlds. Downsampl when N>2 or some appropriate JH> number, and plot the full data when you zoom. Hm.. Good point. I'll try to implement that. Thanks! Best regards, -- Onno Broekmans -

Re: [Matplotlib-users] Matplotlib performance

2008-02-29 Thread John Hunter
On Fri, Feb 29, 2008 at 10:21 AM, Onno Broekmans <[EMAIL PROTECTED]> wrote: > Thanks for your reply! I agree that under normal circumstances, > downsampling would be a good thing to do. However, in this case, it's > really about the tiny details in the trace, so I'd like to zoom in on > a smal

Re: [Matplotlib-users] Matplotlib performance

2008-02-29 Thread Onno Broekmans
Hi Alan, >> I'm trying to plot a current trace from a physics >> experiment, containing about 300,000 data points. AGI> You may find this off topic, since you seem to mean by "plot AGI> a current trace" something different than I'm familiar with. AGI> [snip] AGI> So perhaps your question is real

Re: [Matplotlib-users] Matplotlib performance

2008-02-29 Thread John Hunter
On Fri, Feb 29, 2008 at 8:27 AM, <[EMAIL PROTECTED]> wrote: > Hi everyone, > > Quite recently I started out with learning Python, IPython, SciPy and > Matplotlib, to try see if I could replace some data analysis software > that was previously written in LabVIEW. Slowly I'm getting sort-of the >

Re: [Matplotlib-users] Matplotlib performance

2008-02-29 Thread Alan G Isaac
On Fri, 29 Feb 2008, [EMAIL PROTECTED] apparently wrote: > I'm trying to plot a current trace from a physics > experiment, containing about 300,000 data points. You may find this off topic, since you seem to mean by "plot a current trace" something different than I'm familiar with. Suppose I h

[Matplotlib-users] Matplotlib performance

2008-02-29 Thread matplotlibuser
Hi everyone, Quite recently I started out with learning Python, IPython, SciPy and Matplotlib, to try see if I could replace some data analysis software that was previously written in LabVIEW. Slowly I'm getting sort-of the hang of it, but I've run into a few problems, and I'm now looking around f