Re: [Matplotlib-users] import pylab produces rounding error

2008-07-17 Thread Angela Rivera Campos
If you cannot open the display, most likely it is because either you are running as root (bad, bad) or you are running over a remot connection (ssh) and do not have X11 forwarding properly enabled or configures. If you want to use mpl with an interactive window, you will need to have access

Re: [Matplotlib-users] animated hexbin plot

2008-07-17 Thread Eric Firing
Chee Sing Lee wrote: Hello, I'm pretty new to matplotlib, so please bear with me. I am writing an application that includes a hexagonally binned scatter plot that updates periodically, up to a couple times a second. My current approach is clearing axes.collections, calling hexbin() with

Re: [Matplotlib-users] ocean profile

2008-07-17 Thread Tim Michelsen
I'd love to see it included to -- I believe the problem is finding a good code that is BSD compatible. Yes. Some examples on plotting data using spatial interpolation would be very nice. One with the delauny package: see below at: http://scipy.org/scipy/scikits/ And one with griddata:

Re: [Matplotlib-users] import pylab produces rounding error

2008-07-17 Thread John Hunter
On Thu, Jul 17, 2008 at 1:22 AM, Angela Rivera Campos [EMAIL PROTECTED] wrote: Well, I can assure you that I am neither working as root, I might be a newbie to matplotlib but not to linux, nor have any problem with the display. This problem is happening in both machines, remote (ssh -X, for

Re: [Matplotlib-users] Error when running multiple jobs utilizing the Tex utilities in matplotlib

2008-07-17 Thread Darren Dale
On Wednesday 16 July 2008 07:20:59 am Ian Harry wrote: [EMAIL PROTECTED] 07:14 AM matplotlib]$ diff texmanager.py /usr/lib64/python2.4/site-packages/matplotlib/texmanager.py 248c248 fh = file(outfile,'a') --- fh = file(outfile) 252,254c252 else:

Re: [Matplotlib-users] ocean profile

2008-07-17 Thread John Hunter
On Wed, Jul 16, 2008 at 6:59 PM, Alan G Isaac [EMAIL PROTECTED] wrote: I assume you know of Robert Kern's code? URL:http://cours-info.iut-bm.univ-fcomte.fr/docs/python/scipy/scipy.sandbox.delaunay-module.html I was aware of the project but always assumed he was relying on some GPL/LGPL code

Re: [Matplotlib-users] twinx memory leak

2008-07-17 Thread Michael Droettboom
Anyone have any thoughts on this? It seems like it's serious enough to try to resolve before the next bugfix release. Cheers, Mike Michael Droettboom wrote: Yes, it should be. I'm further puzzled that removing del Gcf.figs[num] prevents the memory leak. There is some side effect that

Re: [Matplotlib-users] twinx memory leak

2008-07-17 Thread John Hunter
On Thu, Jul 17, 2008 at 12:42 PM, Michael Droettboom [EMAIL PROTECTED] wrote: Anyone have any thoughts on this? It seems like it's serious enough to try to resolve before the next bugfix release. I think what we are seeing here is the known GUI figure canvas leak (Michael, I think our offlist

[Matplotlib-users] small scatter plot color bug

2008-07-17 Thread Ben Axelrod
It seems like this should be possible: ax.scatter(x, y, c=None) but axes chokes on the c=None parameter. - This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based

Re: [Matplotlib-users] small scatter plot color bug

2008-07-17 Thread John Hunter
On Thu, Jul 17, 2008 at 1:53 PM, Ben Axelrod [EMAIL PROTECTED] wrote: It seems like this should be possible: ax.scatter(x, y, c=None) Just use plot(x, y, 'o') or whatever marker you want, and set the markersize. scatter is meant for plots where either the marker size or marker color vary.

[Matplotlib-users] difference between plot and scatter

2008-07-17 Thread Ben Axelrod
It seems that axes.plot() handles 'None' values in the input arrays gracefully by just not plotting that point. But axes.scatter() bugs out. Can this be fixed? Thanks, -Ben - This SF.Net email is sponsored by the Moblin

Re: [Matplotlib-users] difference between plot and scatter

2008-07-17 Thread John Hunter
On Thu, Jul 17, 2008 at 2:35 PM, Ben Axelrod [EMAIL PROTECTED] wrote: It seems that axes.plot() handles 'None' values in the input arrays gracefully by just not plotting that point. But axes.scatter() bugs out. Can this be fixed? We try to support np.nan and np masked arrays to handle missing

Re: [Matplotlib-users] ploting a contour graph from data files

2008-07-17 Thread Ryan May
Michael Droettboom wrote: Oz Nahum wrote: I am mostly frustrated with documentation writers who write very nice tutorials describing how to plot completely unusfull graphs of spheres inside loops and a dolphin swimming in the middle. I'm sorry. I just couldn't resist writing a tutorial

Re: [Matplotlib-users] Can I update symbol positions and colors in a collection?

2008-07-17 Thread Ryan May
Eric Bruning wrote: I have scatterplots on several axes that are dynamically updated, and thus I need to keep track of each of the PolyCollection artists that represent the scattered data. I would like to keep the same PolyCollection object but update the positions, colors, etc. of the

Re: [Matplotlib-users] Can I update symbol positions and colors in a collection?

2008-07-17 Thread John Hunter
On Thu, Jul 17, 2008 at 10:28 PM, Ryan May [EMAIL PROTECTED] wrote: I helped Eric out with this offline, and obviously set_array is for the colors, but the only solution we could come up with was to directly reset the PolyCollection._offsets member. This seems a little hacky. Is there any