Re: [matplotlib-devel] rendering problem in mplot3d

2010-07-18 Thread João Luís Silva
On 07/18/2010 04:58 AM, H Mike Duan wrote: > Hi, > > There seems to be a problem in how 3D surfaces and lines are rendered > in mplot3d. The following is a simple script that plots a yellow > sphere, a blue wireframe on the surface of the sphere, and a red > wireframe outside the sphere. The semi-t

[matplotlib-devel] Bug plotting very small values

2010-06-11 Thread João Luís Silva
Hi, Plotting some very small values (~1E-306) will break mpl with the error: File "/usr/lib/python2.5/site-packages/matplotlib/backends/backend_agg.py", line 154, in draw_text self._renderer.draw_text_image(font.get_image(), int(x), int(y) + 1, angle, gc) OverflowError: cannot convert

[matplotlib-devel] Some keys generate tracebacks in the GTK backend

2010-06-01 Thread João Luís Silva
Hi, Pressing tab, the "Windows" key or the right click key (and maybe others) on a plot with the GTKAgg or GTK backend causes the following traceback: Traceback (most recent call last): File "/usr/lib/python2.5/site-packages/matplotlib/backends/backend_gtk.py", line 264, in key_press_event

Re: [matplotlib-devel] Removing lines leaks memory

2010-05-28 Thread João Luís Silva
On 05/28/2010 09:18 AM, Pearu Peterson wrote: > , say, every second and the experiment > can last hours, I have tried two approaches: > 1) clear axes and plot new experimental data - this is > slow and takes too much cpu resources. > 2) remove lines and plot new experimental data - this is > fast e

[matplotlib-devel] Exception for the colorbar of a imshow of zeroes

2010-05-21 Thread João Luís Silva
Hi, Using the SVN version the following example fails with: File "/usr/local/lib/python2.6/dist-packages/matplotlib/colors.py", line 815, in inverse raise ValueError("Inversion requires valid vmax > vmin") ValueError: Inversion requires valid vmax > vmin This was introduced in svn revision

[matplotlib-devel] usetex='True' and annotate generates a traceback for certain texts

2009-04-06 Thread João Luís Silva
Hi, annotate and usetex='True' can trigger a traceback if the text is invalid. A space or an underscore generate this behavior, I haven't tried others. Ubuntu 8.10, mpl svn (rev. 7032). Once again feel free to ignore this, I just feel compelled to report all mpl bugs :) JLS Example: #-

Re: [matplotlib-devel] interactive property editor

2009-03-12 Thread João Luís Silva
Paul Kienzle wrote: > Hi, > > What's the status of interactive property editors for mpl graphs? > > I would like something that would allow me to change properties such > as the size and position of the graph, grids, scales, ranges, colors, > symbols, line styles, fonts, etc., and add annotat

Re: [matplotlib-devel] File format for plots

2009-02-26 Thread João Luís Silva
sam tygier wrote: > > That is one method that i have used, but i don't think it is ideal. My data > can be a wide range of things, > sometimes the coordinates of a bunch of many particles, sometimes the track > of one. If I save just an array > of numbers it can get a bit confusing. So it would

Re: [matplotlib-devel] Pan and zoom tool makes markers disappear

2009-02-02 Thread João Luís Silva
Michael Droettboom wrote: > There seems to have been an indentation error there. > > Please update and try again now. > All seems to be fine now, thanks. João Silva -- This SF.net email is sponsored by: SourcForge Com

Re: [matplotlib-devel] Pan and zoom tool makes markers disappear

2009-02-02 Thread João Luís Silva
Michael Droettboom wrote: > Thanks for narrowing this down. I have (hopefully) fixed this in r6864. > It did fix my previous examples. However it broke the other form of markevery, a 2-int tuple. From the set_markevery docs: Set the markevery property to subsample the plot when using

Re: [matplotlib-devel] Pan and zoom tool makes markers disappear

2009-02-02 Thread João Luís Silva
Michael Droettboom wrote: > Thanks for the report. I'm not actually able to reproduce this here -- > though I suspect this could be related to the recent path simplification > changes. > > Taking a stab in the dark -- have you tried removing the build directory > and rebuilding? distutils doe

[matplotlib-devel] Pan and zoom tool makes markers disappear

2009-01-31 Thread João Luís Silva
Hi, I found a minor bug. Clicking with the pan and zoom tool on a plot with markers and the markevery option makes the markers disappear. OS: Ubuntu Matplotlib svn revision 6861 Backend: GTKAgg. Didn't test any others. Example script: import mat

Re: [matplotlib-devel] Bug in Agg-based backends when yscale == "log"?

2009-01-26 Thread João Luís Silva
Jan Müller wrote: > Hi, > > The simple code snippet at the end of this mail should plot a single line. > I can confirm this bug on Ubuntu running matplotlib svn revision 6827. However I think it doesn't have to do with the log-scale but with the big variations on the x-scale and the custom xs