[Matplotlib-users] Can't seem to plot 2 horizontal lines on same plot

I don't know what dumb thing I'm going but I can't seem to plot 2 horizontal lines on the same plot!!! Why does this snippet give a *BLANK* plot when I run it? (Either line separately seems to be ok!?!?) import pylab x1 = pylab.arange(-10, 10, 0.01) x2 = pylab.arange( 0, 10, 0.01) f1 = [0 for

Re: [Matplotlib-users] Can't seem to plot 2 horizontal lines on same plot

On Tuesday, 7 October 2008, [EMAIL PROTECTED] wrote: Why does this snippet give a *BLANK* plot when I run it? (Either line separately seems to be ok!?!?) import pylab x1 = pylab.arange(-10, 10, 0.01) x2 = pylab.arange( 0, 10, 0.01) f1 = [0 for e in x1] f2 = [1 for e in x2]

[Matplotlib-users] Animation and imshow

I'm trying to figure out how to do animated graphics in pylab using imshow, so I made this little 'hello world' equivalent showing a moving square over two frames. Problem is I have to call draw twice to refresh the image. Anyone can explain why this is so (and how to do this more elegantly)? This

Re: [Matplotlib-users] compiling problems w/ py2.6 on OS 10.4

matplotlib 0.98.3 predates the release of Python 2.6, so it is unsupported in that combination. There were recent changes made to matplotlib in SVN to make it (more) Python 2.6 compatible. You may run into further trouble trying to get it to work with Python 2.6 That, however, doesn't seem

Re: [Matplotlib-users] Can't seem to plot 2 horizontal lines on same plot

pylab.show() takes no arguments. The pylab interface is stateful, meaning you run a series of commands in order and it usually does the right thing, rather than passing the results of one function into another (in general). Did you not get an exception when you ran your example? The

[Matplotlib-users] colorbar tick labeling

I was wondering if it is possible to change the colorbar tick labeling in matplotlib from numeric to text. Essentially, I want the colorbar to be a qualitative indicator; in the jet scheme, I'd like blue to be labeled as 'unstable', green as 'neutral', and red as 'stable'. I can change it so I

[Matplotlib-users] Compilation problems on Fedora Core2.

Hi all, Both the latest matplotlib (0.98.3) and the maintenance release (0.91.4) fail to compile for me with identical error msg. I'm using Fedora Core 2, which I can't upgrade unfortunately. I've installed python2.5.2, numpy-1.1.1, pygtk-2.4 and they seem work ok. The relevant line is, gcc

Re: [Matplotlib-users] Compilation problems on Fedora Core2.

This is a known problem with old versions of pygtk. See here: http://osdir.com/ml/python.matplotlib.general/2004-11/msg00101.html Cheers, Mike Venkat Ramanan wrote: Hi all, Both the latest matplotlib (0.98.3) and the maintenance release (0.91.4) fail to compile for me with identical error

Re: [Matplotlib-users] Compilation problems on Fedora Core2.

Thanks for the quick and helpful pointer. I have a related question not specifically matplotlib related. I installed pygtk-2.4 using python setup.py install. Is there an easy way to remove it from the python install? Thanks, Venkat. Michael Droettboom wrote: This is a known problem with old

Re: [Matplotlib-users] Compilation problems on Fedora Core2.

Sorry, I seem to have installed pygtk by configure --prefix=/data/opt make make install Bye, Venkat. Venkat Ramanan wrote: Thanks for the quick and helpful pointer. I have a related question not specifically matplotlib related. I installed pygtk-2.4 using python setup.py install. Is there

Re: [Matplotlib-users] Compilation problems on Fedora Core2.

On Tue, Oct 7, 2008 at 11:32 AM, Michael Droettboom [EMAIL PROTECTED] wrote: This is a known problem with old versions of pygtk. See here: http://osdir.com/ml/python.matplotlib.general/2004-11/msg00101.html See also this FAQ: http://matplotlib.sourceforge.net/faq.html#PYGTK24

Re: [Matplotlib-users] compiling problems with py2.6, os 10.4

I don't think so - how would I find out? I haven't explicitly installed anything like that myself, so unless it's sipped with OS X, or was installed with some other package, I shouldn't have it. Nat On Oct 7, 2008, at 3:06 PM, Johann Cohen-Tanugi wrote: I think that the culprit is :

Re: [Matplotlib-users] Can't seem to plot 2 horizontal lines on same plot

On Tue, Oct 07, 2008 at 12:54:49PM +0200, Johann Rohwer wrote: The autoscaling feature sets the y limits to [0,1] which means that your lines are falling on the bottom and top x-axis which hides them. Rescaling the y-axis will make the lines visible, e.g. pylab.ylim(-1,2) Thank you very

Re: [Matplotlib-users] Can't seem to plot 2 horizontal lines on same plot

On Tue, Oct 07, 2008 at 08:19:39AM -0400, Michael Droettboom wrote: Did you not get an exception when you ran your example? The following works for me: import pylab x1 = pylab.arange(-10, 10, 0.01) x2 = pylab.arange( 0, 10, 0.01) f1 = [0 for e in x1] f2 = [1 for e in x2] pylab.plot(x1,

Re: [Matplotlib-users] Animation and imshow

loop through the data and call clf(): from pylab import * from numpy import * ion() hold(False) frame1 = zeros((200, 200)) frame1[20:40, 20:40] = 255 frame2 = zeros((200, 200)) frame2[20:40, 30:50] = 255 frame3 = zeros((200, 200)) frame3[20:40, 40:60] = 255 frame4 = zeros((200, 200))

[Matplotlib-users] More digits on the plot window coordinate display?

Is there a way to display more digits on the cursor readout in the lower right hand corner of the plot window? Right now my setup is only showing three digits to the right of the decimal point, which isn't enough when I'm zoomed way in. If that description isn't good enough to describe what

Re: [Matplotlib-users] More digits on the plot window coordinate display?

Buchholz, Greg wrote: Is there a way to display more digits on the cursor readout in the lower right hand corner of the plot window? Right now my setup is only showing three digits to the right of the decimal point, which isn’t enough when I’m zoomed way in. If that description isn’t