Problem solved. The backend was set to Qt4Agg. Once set to TkAgg everything works. I don't get it but it works..........
tva wrote: > > Hi Michiel > > thanks, but does that explain why the script works smoothly in 0.98.6 and > earlier versions? > Plotting all the curves at the end of the script is certainly possible, > but it is a severe reduction of the functionallity. given the fact that it > works so well in earlier versions of matplotlib, it seems like a bug in > matplotlib...? > > > > > Michiel de Hoon wrote: >> >>> Any idea why there is such a difference between >>> 0.98.5.3 and 0.99 ?? >> >> Drawing the whole figure once, when no further Python input is available, >> is much more efficient than drawing after each plot() command. For some >> figures, matplotlib 0.98.5.3 becomes extremely slow. >> >>> Thanks JJ, but unfortunately this is not the solution. >>> draw() gives the same result. - and I am running this >>> as a script (running it from ipython shell). >> >> The problem in your script is that the event loop never kicks in. >> Unfortunately, Python has no support for event loops in general, which >> makes this hard to solve. One option is to use raw_input() between calls >> to plot(), but then each time you have to hit <enter> to get the script >> to proceed. >> >> --Michiel. >> >> >> --- On Mon, 9/7/09, tva <t...@brygge.dk> wrote: >> >>> From: tva <t...@brygge.dk> >>> Subject: Re: [Matplotlib-users] cannot plot in loops with matplotlib >>> 0.99. 0.98 works fine >>> To: matplotlib-users@lists.sourceforge.net >>> Date: Monday, September 7, 2009, 3:17 AM >>> >>> Thanks JJ, but unfortunately this is not the solution. >>> draw() gives the same >>> result. - and I am running this as a script (running it >>> from ipython shell). >>> >>> Any clue? >>> >>> >>> >>> >>> >>> Jae-Joon Lee wrote: >>> > >>> > I presume you're running that script in interactive >>> shell? >>> > Try draw() instead of show(). >>> > >>> > Regards, >>> > >>> > -JJ >>> > >>> > >>> > On Sun, Sep 6, 2009 at 3:06 PM, tva<t...@brygge.dk> >>> wrote: >>> >> >>> >> Hi all >>> >> >>> >> with matplotlib 0.98.5.3 this script will draw new >>> lines as the scrips is >>> >> running: >>> >> >>> >> from pylab import * >>> >> x = arange(0,2*pi,0.01) >>> >> for i in arange(1,20): >>> >> >>> >> y=sin(x+i) >>> >> plot(x,y) # update the data >>> >> show() >>> >> >>> >> >>> >> with matplotlib 0.99, the exact same script runs >>> to the end without >>> >> plotting >>> >> and then plots all the lines. This is just a >>> trivial example but for some >>> >> applications it is useful to monitor the evolution >>> of curves as the >>> >> script >>> >> is running - allows me to update parameters if >>> something diverges. >>> >> Any idea why there is such a difference between >>> 0.98.5.3 and 0.99 ?? >>> >> -- >>> >> View this message in context: >>> >> >>> http://www.nabble.com/cannot-plot-in-loops-with-matplotlib-0.99.-0.98-works-fine-tp25320454p25320454.html >>> >> Sent from the matplotlib - users mailing list >>> archive at Nabble.com. >>> >> >>> >> >>> >> >>> ------------------------------------------------------------------------------ >>> >> Let Crystal Reports handle the reporting - Free >>> Crystal Reports 2008 >>> >> 30-Day >>> >> trial. 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Discover what's new with >> Crystal Reports now. http://p.sf.net/sfu/bobj-july >> _______________________________________________ >> Matplotlib-users mailing list >> Matplotlib-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/matplotlib-users >> >> > > -- View this message in context: http://www.nabble.com/cannot-plot-in-loops-with-matplotlib-0.99.-0.98-works-fine-tp25320454p25333552.html Sent from the matplotlib - users mailing list archive at Nabble.com. ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. 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