Re: [Matplotlib-users] Simple animation with Qt4 backend

2010-11-22 Thread Christopher Barker
On 11/21/10 9:43 AM, Gael Varoquaux wrote: > Yes, I can confirm that adding processEvents in places to facilitate > redraws is a good way to lead to segfaults. I have seen this in many > places other than matplotlib. The reason Tk does not have this problem is > that it deals with event loops in a

Re: [Matplotlib-users] Possible memory leak?

2010-11-22 Thread Benjamin Root
On Mon, Nov 22, 2010 at 11:32 AM, Eric Firing wrote: > On 11/22/2010 06:15 AM, Benjamin Root wrote: > > On Fri, Nov 19, 2010 at 3:14 PM, Caleb Constantine > > mailto:cadamant...@gmail.com>> wrote: > > > > On Thu, Nov 18, 2010 at 4:50 PM, Benjamin Root > > wrote: >

Re: [Matplotlib-users] Problem viewing mplot3d figure

2010-11-22 Thread Miguel Costa
On Mon, Nov 22, 2010 at 5:56 PM, Benjamin Root wrote: > > Miguel, > > This is a known issue with mplot3d. The issue is that the polygons are > essentially abstracted 2-D objects that are using the same backend > architecture as the core 2-D plotting software. I think your example script > is pr

Re: [Matplotlib-users] Problem viewing mplot3d figure

2010-11-22 Thread Benjamin Root
On Mon, Nov 22, 2010 at 11:44 AM, Miguel Costa wrote: > Hello all. > > I'm attempting to use bar3d to plot a packing solution but from some > viewpoints the perspective is wrong (boxes seem overlapped), and with a > large number of boxes the plot is always incoherent. > > (I'm using matplotlib 1.0

[Matplotlib-users] Problem viewing mplot3d figure

2010-11-22 Thread Miguel Costa
Hello all. I'm attempting to use bar3d to plot a packing solution but from some viewpoints the perspective is wrong (boxes seem overlapped), and with a large number of boxes the plot is always incoherent. (I'm using matplotlib 1.0.0 on fedora 14) Does anyone know how to fix this? Cheers, Miguel

Re: [Matplotlib-users] Possible memory leak?

2010-11-22 Thread Eric Firing
On 11/22/2010 06:15 AM, Benjamin Root wrote: > On Fri, Nov 19, 2010 at 3:14 PM, Caleb Constantine > mailto:cadamant...@gmail.com>> wrote: > > On Thu, Nov 18, 2010 at 4:50 PM, Benjamin Root > wrote: > > > > Caleb, > > > > Interesting analysis. On

Re: [Matplotlib-users] Unknown projection '3d' even with svn version?

2010-11-22 Thread Benjamin Root
On Thu, Nov 18, 2010 at 2:30 AM, Eric Emsellem wrote: > Ok problem(s) solved, thanks a lot for the efficient help (this also taught > me how to go through the code more thoroughly) > > * for the record: I had a pylab.py in the site-packages directory, probably > a left-over from some other instal

Re: [Matplotlib-users] Possible memory leak?

2010-11-22 Thread Benjamin Root
On Fri, Nov 19, 2010 at 3:14 PM, Caleb Constantine wrote: > On Thu, Nov 18, 2010 at 4:50 PM, Benjamin Root wrote: > > > > Caleb, > > > > Interesting analysis. One possible source of a leak would be some sort > of dangling reference that still hangs around even though the plot objects > have been

Re: [Matplotlib-users] Possible memory leak?

2010-11-22 Thread Michael Droettboom
Caleb, Thanks for doing all of this investigation and providing something easy to reproduce. With the help of valgrind, I believe I've tracked it down to a bug in PyCXX, the Python/C++ interface tool matplotlib uses. I have attached a patch that seems to remove the leak for me, but as I'm

Re: [Matplotlib-users] Hammer projection grid

2010-11-22 Thread Benjamin Root
On Mon, Nov 22, 2010 at 6:59 AM, Tobias Winchen < winc...@physik.rwth-aachen.de> wrote: > Dear all, > > > On Wednesday 17 November 2010 Benjamin Root wrote: > > > > Nevermind about the example script, I tested it myself and verified the > > problem. The fix was simple. We were missing a square r

Re: [Matplotlib-users] bar with zero data

2010-11-22 Thread Benjamin Root
On Mon, Nov 22, 2010 at 7:56 AM, andres luhamaa wrote: > Hello! > I see strange behaviour in plotting bars with dates on x-axis. Example > attached, problem seems to arise only after duplicating x-axis and with > all-zero data. good.png is with non-zero data and bad.png with zero data. > > Regards

Re: [Matplotlib-users] Hammer projection grid

2010-11-22 Thread Tobias Winchen
Dear all, > On Wednesday 17 November 2010 Benjamin Root wrote: > > Nevermind about the example script, I tested it myself and verified the > problem. The fix was simple. We were missing a square root for the > denominator of the formula for x and y. Before I submit this patch, can > anybody wi

[Matplotlib-users] rotate patch (rectangle)

2010-11-22 Thread Wolfgang Kerzendorf
Hello, I have tried in vain to rotate a rectangle patch. I tried to use AffineTransform2D.rotate_deg(20.) and apply it to the Rectangle with set_transform. If I add the patch it doesnt show. What is the right course of action here. Cheers Wolfgang

Re: [Matplotlib-users] Formatter dates

2010-11-22 Thread Tim Åberg
Solved it, was thinking backwards again. From: qw...@hotmail.com To: matplotlib-users@lists.sourceforge.net Date: Mon, 22 Nov 2010 09:00:38 + Subject: Re: [Matplotlib-users] Formatter dates Thanks for the reply! I have been looking into it now and thinks i have get the hang of how it

Re: [Matplotlib-users] Formatter dates

2010-11-22 Thread Tim Åberg
Thanks for the reply! I have been looking into it now and thinks i have get the hang of how it works rougly. Do you know any way to know the max-value of X straight away? I have a list of dates that with listlength Y, the X spans from 0 - something. So if i could figure out what "something" is i