matplotlib-users Mailing List for matplotlib (Page 2)

I'm the maintainer for python-matplotlib in Fedora Extras.  I'm getting
ready to build 0.87 and am looking for suggestions about what numeric
engine to make standard.  I'm building against numpy, Numeric, and
numarry, but I don't want to have it Require: all three at run time.  Is
numpy fully functional and the way of the future and should I just list
that?  Currently (0.86) I have python-numeric as the required engine at
runtime.

Thanks!

- Orion Poplawski

>>>>> "Chris" == Chris Shen <chr...@ai...> writes:
    Chris> Thanks Jeff for quick input. It is working well for me now.

    Chris> For the examples, I download from the link on the homepage
    Chris> which still points to
    Chris> http://matplotlib.sourceforge.net/matplotlib_examples_0.83.2.zip

The website was a bit out of date but has been recently updated.  The
examples link now points to a recent set of examples consistent with
0.87.

JDH

> Chris:  Contour now returns a single object, so replace all your calls 
> with something like
> 
> CS = contour(X,Y,Z)
> 
> -Jeff
> 
> P.S.  You must not have updated the examples, because the ones that come 
> with maplotlib 0.87 do work.
> 

Thanks Jeff for quick input. It is working well for me now.

For the examples, I download from the link on the homepage which still 
points to http://matplotlib.sourceforge.net/matplotlib_examples_0.83.2.zip

Best regards,
Chris

>>>>> "Paul" == Paul Barrett <peb...@gm...> writes:


    Paul> The following works for me.

    >>>> xticks(arange(len(data)), date, rotation=30, size='small')

Yes, and you can change the rotation of the existing ticks with


from pylab import figure, show

fig = figure()
ax = fig.add_subplot(111)
ax.plot([1,2,3])
labels = ax.get_xticklabels()
for label in labels:
    label.set_rotation(30)
show()

Chris Shen wrote:
> Dear friends,
>
> I just upgrade matplotlib from 0.83.2 to 0.87 under WinXP, Python 2.3.5,
> Numeric 23.8. I find out that all my plots using contour function do not
> work anymore. I also tried the examples: contour_demo.py,
> contourf_demo.py and contour_image.py. All of them do not work with the
> following error message:
>
>   File "contour_demo.py", line 26, in ?
>     levels, colls = contour(X, Y, Z)
> TypeError: unpack non-sequence
>
> Anyone has any clue in fixing this problem?
>
> Best regards,
> Chris
>

Chris:  Contour now returns a single object, so replace all your calls 
with something like
 
CS = contour(X,Y,Z)

-Jeff

P.S.  You must not have updated the examples, because the ones that come 
with maplotlib 0.87 do work.

-- 
Jeffrey S. Whitaker         Phone : (303)497-6313
NOAA/OAR/CDC  R/CDC1        FAX   : (303)497-6449
325 Broadway                Web   : http://www.cdc.noaa.gov/~jsw
Boulder, CO, USA 80305-3328 Office: Skaggs Research Cntr 1D-124

Dear friends,

I just upgrade matplotlib from 0.83.2 to 0.87 under WinXP, Python 2.3.5,
Numeric 23.8. I find out that all my plots using contour function do not
work anymore. I also tried the examples: contour_demo.py,
contourf_demo.py and contour_image.py. All of them do not work with the
following error message:

   File "contour_demo.py", line 26, in ?
     levels, colls = contour(X, Y, Z)
TypeError: unpack non-sequence

Anyone has any clue in fixing this problem?

Best regards,
Chris

On 2/27/06, Jason C. Leach <jas...@gm...> wrote:
>
> Hi,
>
> Is it possible to angle the text in the xticklabels?  I find it bunches u=
p
> a bit too much in my graph and I can't really read it.


The following works for me.

>>> xticks(arange(len(data)), date, rotation=3D30, size=3D'small')

 -- Paul

Hi,

Is it possible to angle the text in the xticklabels?  I find it bunches up =
a
bit too much in my graph and I can't really read it.

Thanks,
Jason.

--
........................................
.... Jason C. Leach
.... PGP Key: 0x62DDDF75
.... Keyserver: gpg.mit.edu

Hello, I'm trying to create just one scatter point and change its position.  here's my code:
  
  marker = axes.scatter([xValue,], [yValue],])
                  
  #show the plots
  canvas.draw()
  
I want to change the x and y value of the marker without creating a  new marker (the old one is still showing). i saw that there was  something like:
  
  marker.set_array()
  
  but I wasn't sure how to use this properly. how can I dynamically reset my scatter position? thanks.
  
  Jeff
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Today's Topics:

   1. Bug in WXAgg on OS X and Matplotlib 0.87 (Samuel M. Smith)
   2. Matplotlib installed font names (Samuel M. Smith)
   3. Getting latex fonts to display in plot window (Samuel M. Smith)
   4. Re: Getting latex fonts to display in plot window (Darren Dale)
   5. problem compiling matplotlib (-mtune=i686) (Sue Tranter)
   6. visualization tool (Ryan Krauss)
   7. Re: visualization tool (Arnd Baecker)

--__--__--

Message: 1
Cc: mat...@li...,
 Smith Samuel 
From: "Samuel M. Smith" 
Date: Sat, 25 Feb 2006 10:22:57 -0700
To: Christopher Barker 
Subject: [Matplotlib-users] Bug in WXAgg on OS X and Matplotlib 0.87

Setting the WX_CONFIG environment variable before the build fixed one  
problem. It is now finding my matplotlibrc file.

I thought maybe it was a font corruption problem but it I use TkAgg  
everything works fine with my 0.87.1cvs build. So
I think maybe I have uncovered a bug in the WXAgg? I would like to  
help fix it but I don't have a clue of where to start.

I also tried WxAgg with the first fonts in the rc file set to the  
ones that come installed with matplotlib
font.serif          : Bitstream Vera Serif
font.sans-serif     : Bitstream Vera Sans

and it still crashes. So something is wrong. Maybe its my  
environment. It would be nice if someone could verify
if they get the same problem


Here is the debug output

AlBook:smithsm$ ipython -pylab
loaded rc file /Users/smithsm/.matplotlib/matplotlibrc
matplotlib version 0.87.1cvs
verbose.level debug
interactive is False
platform is darwin
loaded modules: ['IPython.Prompts', '_bisect', 'distutils',  
'IPython.iplib', 'IPython.signal', 'random', 'IPython.FakeModule',  
'datetime', 'matplotlib.tempfile', 'IPython.bdb',  
'distutils.sysconfig', 'pytz.datetime', 'IPython.time', 'struct',  
're', 'tempfile', 'pprint', 'IPython.copy_reg', 'imp',  
'IPython.OInspect', 'collections', 'IPython.pydoc',  
'IPython.cStringIO', 'zipimport', 'IPython.codecs', 'string',  
'matplotlib.dateutil', 'IPython.imp', 'repr',  
'matplotlib.__future__', 'pytz.tzinfo', 'IPython.Itpl',  
'IPython.Debugger', 'new', 'distutils.re', 'IPython.excolors',  
'IPython.Queue', 'IPython.os', 'resource', 'bisect', 'IPython.glob',  
'signal', 'cmd', 'pydoc', 'threading', 'token', 'shlex',  
'pytz.bisect', 'IPython.shlex', 'matplotlib.pytz',  
'IPython.exceptions', 'IPython.new', 'dis', 'cStringIO', 'locale',  
'IPython.path', 'Queue', 'IPython.types', 'atexit',  
'IPython.commands', 'encodings', 'IPython.threading', 'bdb',  
'IPython.ConfigLoader', 'matplotlib.warnings', 'matplotlib.sys',  
'encodings.types', 'posix', 'encodings.ascii', 'math',  
'IPython.platutils_dummy', 'fcntl', 'IPython.profile',  
'IPython.platutils_win32', 'dateutil', 'optparse', 'UserDict',  
'inspect', 'distutils.os', 'matplotlib', 'IPython.hooks',  
'exceptions', 'codecs', 'getopt', 'md5', 'IPython.ColorANSI',  
'commands', 'socket', 'thread', 'sre', 'IPython.StringIO',  
'traceback', 'IPython.pstats', 'pkg_resources', 'itertools',  
'opcode', 'pstats', 'IPython.tokenize', 'distutils.sys', 'os', 'pdb',  
'IPython.traceback', '__future__', '_sre', 'IPython.Shell',  
'__builtin__', 'IPython', 'distutils.string', 'matplotlib.datetime',  
'IPython.codeop', 'posixpath', 'popen2', 'errno', '_socket',  
'binascii', 'IPython.sys', 'IPython.re', 'sre_constants',  
'IPython.platutils_posix', 'IPython.PyColorize', 'matplotlib.md5',  
'types', 'IPython.genutils', 'tokenize', 'IPython.pdb', 'cPickle',  
'pytz.sys', 'IPython.platutils', 'IPython.macro', '_codecs',  
'IPython.token', '_locale', 'IPython.keyword', 'IPython.IPython',  
'IPython.string', 'pytz', 'IPython.__builtin__', 'copy',  
'matplotlib.os', 'IPython.socket', 'IPython.resource', 'IPython.cmd',  
'keyword', 'StringIO', 'IPython.linecache', 'IPython.__main__',  
'encodings.aliases', 'fnmatch', 'sre_parse', 'IPython.ultraTB',  
'IPython.tempfile', 'IPython.Release', 'IPython.OutputTrap',  
'copy_reg', 'sre_compile', '_random', 'site', 'IPython.getopt',  
'IPython.ipstruct', 'IPython.inspect', '__main__', 'shutil',  
'IPython.Magic', 'IPython.pprint', 'strop', 'IPython.bisect',  
'IPython.textwrap', 'IPython.shutil', 'encodings.codecs', 'gettext',  
'IPython.Logger', 'IPython.fnmatch', 'encodings.exceptions',  
'pytz.sets', 'profile', 'IPython.wildcard', 'stat', '_ssl',  
'warnings', 'IPython.deep_reload', 'glob', 'sets', 'textwrap', 'sys',  
'IPython.ipmaker', 'codeop', 'os.path', 'IPython.background_jobs',  
'IPython.DPyGetOpt', 'IPython.cPickle', 'IPython.usage',  
'matplotlib.distutils', 'distutils.errors', 'marshal',  
'IPython.__future__', 'linecache', 'matplotlib.shutil', 'time',  
'IPython.ipapi']
numerix numpy 0.9.5.2006
font search path ['/Library/Frameworks/Python.framework/Versions/2.4/ 
lib/python2.4/site-packages/matplotlib/mpl-data']
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/cmtt10.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/VeraMoBd.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/VeraMoBI.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/VeraBd.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/VeraSeBd.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/VeraMono.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/cmsy10.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/cmex10.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/cmmi10.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/VeraIt.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/cmr10.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/Vera.ttf
$HOME=/Users/smithsm
CONFIGDIR=/Users/smithsm/.matplotlib
loaded ttfcache file /Users/smithsm/.matplotlib/ttffont.cache
matplotlib data path /Library/Frameworks/Python.framework/Versions/ 
2.4/lib/python2.4/site-packages/matplotlib/mpl-data
backend WXAgg version 2.6.2.1
Python 2.4.2 (#3, Jan  8 2006, 20:33:07)
Type "copyright", "credits" or "license" for more information.

IPython 0.7.1.fix1 -- An enhanced Interactive Python.
?       -> Introduction to IPython's features.
%magic  -> Information about IPython's 'magic' % functions.
help    -> Python's own help system.
object? -> Details about 'object'. ?object also works, ?? prints more.

   Welcome to pylab, a matplotlib-based Python environment.
   For more information, type 'help(pylab)'.

In [1]: plot([-2.345,-12.349])
------------------------------------------------------------------------ 
---
exceptions.MemoryError                               Traceback (most  
recent call last)

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/backends/backend_wx.py in _onPaint(self, evt)
    1046             self.realize()
    1047         # Render to the bitmap
-> 1048         self.draw(repaint=False)
    1049         # Update the display using a PaintDC
    1050         self.gui_repaint(drawDC=wx.PaintDC(self))

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/backends/backend_wxagg.py in draw(self, repaint)
      60         FigureCanvasAgg.draw(self)
      61
---> 62         self.bitmap = _convert_agg_to_wx_bitmap 
(self.get_renderer(), None)
      63         if repaint:
      64             self.gui_repaint()

MemoryError: _wxagg.convert_agg_to_wx_bitmap(): could not create the  
wx.Bitmap
------------------------------------------------------------------------ 
---
exceptions.MemoryError                               Traceback (most  
recent call last)

/Install/Python/MacPython/Python2.4.2/MatPlotLib/examples/
console>

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/pylab.py in plot(*args, **kwargs)
    2122 def plot(*args, **kwargs):
    2123     # allow callers to override the hold state by passing  
hold=True|False
-> 2124     b = ishold()
    2125     h = popd(kwargs, 'hold', None)
    2126     if h is not None:

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/pylab.py in ishold()
     962     Return the hold status of the current axes
     963     """
--> 964     return gca().ishold()
     965
     966 def isinteractive():

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/pylab.py in gca(**kwargs)
     913     """
     914
--> 915     ax =  gcf().gca(**kwargs)
     916     return ax
     917

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/pylab.py in gcf()
     923         return figManager.canvas.figure
     924     else:
--> 925         return figure()
     926
     927 def gci():

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/pylab.py in figure(num, figsize, dpi, facecolor,  
edgecolor, frameon)
     893         figManager.canvas.figure.number = num
     894
--> 895     draw_if_interactive()
     896     return figManager.canvas.figure
     897

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/IPython/genutils.py in wrapper(*args, **kw)
     802     def wrapper(*args,**kw):
     803         wrapper.called = False
--> 804         out = func(*args,**kw)
     805         wrapper.called = True
     806         return out

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/backends/backend_wx.py in draw_if_interactive()
    1170         figManager = Gcf.get_active()
    1171         if figManager is not None:
-> 1172             figManager.canvas.draw()
    1173
    1174

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/backends/backend_wxagg.py in draw(self, repaint)
      60         FigureCanvasAgg.draw(self)
      61
---> 62         self.bitmap = _convert_agg_to_wx_bitmap 
(self.get_renderer(), None)
      63         if repaint:
      64             self.gui_repaint()

MemoryError: _wxagg.convert_agg_to_wx_bitmap(): could not create the  
wx.Bitmap

In [2]:  
------------------------------------------------------------------------ 
---
exceptions.MemoryError                               Traceback (most  
recent call last)

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/backends/backend_wx.py in _onPaint(self, evt)
    1046             self.realize()
    1047         # Render to the bitmap
-> 1048         self.draw(repaint=False)
    1049         # Update the display using a PaintDC
    1050         self.gui_repaint(drawDC=wx.PaintDC(self))

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/backends/backend_wxagg.py in draw(self, repaint)
      60         FigureCanvasAgg.draw(self)
      61
---> 62         self.bitmap = _convert_agg_to_wx_bitmap 
(self.get_renderer(), None)
      63         if repaint:
      64             self.gui_repaint()

MemoryError: _wxagg.convert_agg_to_wx_bitmap(): could not create the  
wx.Bitmap


--__--__--

Message: 2
Cc: Smith Samuel 
From: "Samuel M. Smith" 
Date: Sat, 25 Feb 2006 10:28:58 -0700
To: mat...@li...
Subject: [Matplotlib-users] Matplotlib installed font names

There are several fonts installed by matplotlib into the mpl_data  
folder. The names or
sort of cryptic. I tried matching them up with the family names in  
the matplotlibrc file list for
font.serif
font.sans-serif

but the only one that makes sense is Bitstream Vera
What is the family name for cmt, cms cmex and also the pXXX.afm fonts?







**********************************************************************
Samuel M. Smith Ph.D.
2966 Fort Hill Road
Eagle Mountain, Utah 84043
801-768-2768 voice
801-768-2769 fax
**********************************************************************
"The greatest source of failure and unhappiness in the world is
giving up what we want most for what we want at the moment"
**********************************************************************



--__--__--

Message: 3
Cc: Rob Hetland ,
 Smith Samuel 
From: "Samuel M. Smith" 
Date: Sat, 25 Feb 2006 10:32:56 -0700
To: mat...@li...
Subject: [Matplotlib-users] Getting latex fonts to display in plot window

Rob,

Is there a way for matplotlib to use the latex fonts in the plot  
window not just in the saved version of the graph?
Even when I have usetex True it picks a font from the font list given  
in the matplotlibrc file.
How do I force it to use the type1cm or pslatex fonts?

Sam


--__--__--

Message: 4
From: Darren Dale 
   
Organization: Cornell University
To: mat...@li...
Subject: Re: [Matplotlib-users] Getting latex fonts to display in plot window
Date: Sat, 25 Feb 2006 13:53:01 -0500

On Saturday 25 February 2006 12:32, Samuel M. Smith wrote:
> Rob,
>
> Is there a way for matplotlib to use the latex fonts in the plot
> window not just in the saved version of the graph?
> Even when I have usetex True it picks a font from the font list given
> in the matplotlibrc file.

This is a new feature, it uses the font list to select the appropriate latex 
font, and the same font is used in the saved version.

> How do I force it to use the type1cm or pslatex fonts?

For type1cm, use:

font.serif : serif (or "computer modern roman")
font.sans-serif : sans-serif (or "computer modern sans-serif")
font.monospace : monospace (or "computer modern typewriter")

for pslatex, use:

font.serif : times
font.sans-serif : helvetica
font.monospace : courier

I'm planning on updating the usetex wiki page, I just havent had time to do it 
yet.

Darren


--__--__--

Message: 5
Date: Sat, 25 Feb 2006 19:29:49 +0000 (GMT)
From: Sue Tranter 
To: mat...@li...
Subject: [Matplotlib-users] problem compiling matplotlib (-mtune=i686)

I'm having problems compiling matplotlib. I'm running suse 9.3 (linux) and
have python:
Python 2.4.1 (#1, Sep 13 2005, 00:39:20)

I downloaded matplotlib-0.87.tar.gz, and have not changed the setup.py or 
setupext.py at all. I think I have all the graphics things installed.

The error message goes:
>>> [snip]
building 'matplotlib._agg' extension
creating build/temp.linux-i686-2.4
creating build/temp.linux-i686-2.4/src
creating build/temp.linux-i686-2.4/agg23
creating build/temp.linux-i686-2.4/agg23/src
gcc -pthread -fno-strict-aliasing -DNDEBUG -O2 -march=i586 -mtune=i686 
-fmessage-length=0 -Wall -D_FORTIFY_SOURCE=2 -g -I/usr/X11R6/include -fPIC 
-Iagg23/include -Isrc -Iswig -I/usr/include/python2.4 -c src/agg.cxx -o 
build/temp.linux-i686-2.4/src/agg.o
cc1plus: error: invalid option `tune=i686'
error: command 'gcc' failed with exit status 1

>>  gcc --version
gcc (GCC) 3.3.5 20050117 (prerelease) (SUSE Linux)
Copyright (C) 2003 Free Software Foundation, Inc.

I cant find anywhere in the matplotlib-0.87 directory structure that sets 
this "tune=i686". I have searched all the files in the directory structure 
for "tune" and "i686", so I'm guessing it's set somewhere else, but I dont 
know where.
Can anyone help?

thanks
Sue



--__--__--

Message: 6
Date: Sat, 25 Feb 2006 15:28:49 -0500
From: "Ryan Krauss" 
To: matplotlib-users 
Subject: [Matplotlib-users] visualization tool

This is sort of not a matplotlib specific question, but it seems like
people on this list might be able to point me in some good directions.
 I need to give a lecture on feedback control systems.  I would like
to talk about stabalizing unstable systems and use an inverted
pendulum for an example.  I know that Matlab had a demo like this that
included a fairly neat 2D visualization of a cart moving back and
forth with an inverted pendulum on it.  I would need to run a
simulation in the background that outputs the cart position and the
pendulum angle and then I would want to create an animation of the
cart and pendulum moving around.

Can anyone recommend a python package for doing this kind of animation?

Thanks,

Ryan


--__--__--

Message: 7
Date: Sun, 26 Feb 2006 00:33:18 +0100 (CET)
From: Arnd Baecker 
To: Ryan Krauss 
cc: matplotlib-users 
Subject: Re: [Matplotlib-users] visualization tool

Hi Ryan,

On Sat, 25 Feb 2006, Ryan Krauss wrote:

> This is sort of not a matplotlib specific question, but it seems like
> people on this list might be able to point me in some good directions.
>  I need to give a lecture on feedback control systems.  I would like
> to talk about stabalizing unstable systems and use an inverted
> pendulum for an example.  I know that Matlab had a demo like this that
> included a fairly neat 2D visualization of a cart moving back and
> forth with an inverted pendulum on it.  I would need to run a
> simulation in the background that outputs the cart position and the
> pendulum angle and then I would want to create an animation of the
> cart and pendulum moving around.
>
> Can anyone recommend a python package for doing this kind of animation?

First, you might try to use techniques described at
  http://new.scipy.org/Wiki/Cookbook/Matplotlib/Animations
If you have a reasonably fast machine it might already work out
fine enough.
Other options are pygame (never used it myself)
and Vpython (www.vpython.org) which can do some very nice things
with remarkably little code.

Best, Arnd



--__--__--

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Numpy and Scipy highjack distutils now, and this may be something they
add in.  Do you ave numpy installed?  That looks like a valid option
though.

On 2/25/06, Sue Tranter <se...@po...> wrote:
> I'm having problems compiling matplotlib. I'm running suse 9.3 (linux) an=
d
> have python:
> Python 2.4.1 (#1, Sep 13 2005, 00:39:20)
>
> I downloaded matplotlib-0.87.tar.gz, and have not changed the setup.py or
> setupext.py at all. I think I have all the graphics things installed.
>
> The error message goes:
> >>> [snip]
> building 'matplotlib._agg' extension
> creating build/temp.linux-i686-2.4
> creating build/temp.linux-i686-2.4/src
> creating build/temp.linux-i686-2.4/agg23
> creating build/temp.linux-i686-2.4/agg23/src
> gcc -pthread -fno-strict-aliasing -DNDEBUG -O2 -march=3Di586 -mtune=3Di68=
6
> -fmessage-length=3D0 -Wall -D_FORTIFY_SOURCE=3D2 -g -I/usr/X11R6/include =
-fPIC
> -Iagg23/include -Isrc -Iswig -I/usr/include/python2.4 -c src/agg.cxx -o
> build/temp.linux-i686-2.4/src/agg.o
> cc1plus: error: invalid option `tune=3Di686'
> error: command 'gcc' failed with exit status 1
>
> >>  gcc --version
> gcc (GCC) 3.3.5 20050117 (prerelease) (SUSE Linux)
> Copyright (C) 2003 Free Software Foundation, Inc.
>
> I cant find anywhere in the matplotlib-0.87 directory structure that sets
> this "tune=3Di686". I have searched all the files in the directory struct=
ure
> for "tune" and "i686", so I'm guessing it's set somewhere else, but I don=
t
> know where.
> Can anyone help?
>
> thanks
> Sue
>
>
>
> -------------------------------------------------------
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> Mat...@li...
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>

     They're just another option and it is personally preference at
this point.  I strongly suggest you skim this link:
   http://peak.telecommunity.com/DevCenter/PythonEggs

- Charlie

On 2/26/06, Alan G Isaac <ai...@am...> wrote:
> On Wed, 22 Feb 2006, Charlie Moad apparently wrote:
> > Notable notes:
> >    - Built against numpy-0.9.5
> >    - A wealth of bugfixes
> > http://sourceforge.net/project/showfiles.php?group_id=3D80706
>
> I'm on Win32 with Python 2.4.
> For this I see both an egg and an installer.
> The installer is being downloaded 15 times as often.
> What are the considerations?
>
> I thought the egg was the simpler choice:
> can't it just be put on site-packages and that's that?
> But I'm not very familiar with eggs.
> Is the issue that one may wish to modify the source,
> and the egg doesn't give direct access to that?
>
> Thank you,
> Alan Isaac
>
> PS Is it true that with eggs you can have multiple versions
> side by side and use them at will?
>
>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by xPML, a groundbreaking scripting langua=
ge
> that extends applications into web and mobile media. Attend the live webc=
ast
> and join the prime developer group breaking into this new coding territor=
y!
> http://sel.as-us.falkag.net/sel?cmd=3Dlnk&kid=3D110944&bid=3D241720&dat=
=3D121642
> _______________________________________________
> Matplotlib-users mailing list
> Mat...@li...
> https://lists.sourceforge.net/lists/listinfo/matplotlib-users
>

Darren Dale wrote:
> On Sunday 26 February 2006 7:50 pm, you wrote:
> 
>>Darren Dale wrote:
>>
>>>On Sunday 26 February 2006 6:37 am, Steve Schmerler wrote:
>>>
>>>>Hi
>>>>
>>>>With 0.87 and 0.86.2 mpl randomly crashes when executing this script:
>>>>
>>>>---------------------------
>>>
>>>>from pylab import *
>>>>from matplotlib import verbose
>>>
>>>>verbose.level = 'debug-annoying'
>>>>##verbose.level = 'debug'
>>>>
>>>>rcParams['text.usetex'] = True
>>>>plot([1,2,3])
>>>>
>>>>savefig("image.eps")
>>>>---------------------------
>>>>
>>>>The crash is triggered when savefig() is called and only if
>>>>rcParams['text.usetex'] = True. The error message is
>>>>
>>>> (test.py:7258): Pango-WARNING **: Invalid UTF-8 string passed to
>>>>pango_layout_set_text()
>>>>
>>>>I tried to track it down but the crash seems to occur in *different*
>>>>code segments (calling "python test.py" several times it crashed
>>>>sometimes after a call to dvips, sometimes dvipng, gs, ...). Sometimes
>>>>it even *doesn't* crash at all.
>>>>
>>>>I have the following pango-stuff installed (Debian):
>>>>
>>>>elcorto@ramrod:~$ COLUMNS=200 dpkg -l | grep pango
>>>>ii  libpango1.0-0                                1.8.1-1
>>>>
>>>>ii  libpango1.0-common                           1.8.1-1
>>>>
>>>>ii  libpango1.0-dbg                              1.8.1-1
>>>>
>>>>ii  libpango1.0-dev                              1.8.1-1
>>>
>>>I can't reproduce your result with pango 1.10.3 installed on a gentoo
>>>system with python-2.4.2. Does the script crash if you set
>>>verbose.level=silent? It looks like one of the stdout or stderr messages
>>>from dvips/gs/dvipng is returning unicode, in which case you could try to
>>>convert them to strings before passing them to verbose.report. Just a
>>>guess.
>>
>>Yes, with verbose.level = 'silent' the script runs and saves the image
>>but in interactive use the interpreter crashes (an errow message window
>>pops up, verbose.level: silent in matplotlibrc).
> 
> 
> Did you try to wrap the stderr/stdout output with str()?
> 

No. I have to correct myself. I just tested it again (with verbose.level
= 'silent' in the script and/or matplotlibrc) and it *does* crash so
it's not the verbose messages. This seems truly random ...

cheers,
steve

-- 
Random number generation is the art of producing pure gibberish as
quickly as possible.

Darren Dale wrote:
> On Sunday 26 February 2006 6:37 am, Steve Schmerler wrote:
> 
>>Hi
>>
>>With 0.87 and 0.86.2 mpl randomly crashes when executing this script:
>>
>>---------------------------
>>from pylab import *
>>from matplotlib import verbose
>>
>>verbose.level = 'debug-annoying'
>>##verbose.level = 'debug'
>>
>>rcParams['text.usetex'] = True
>>plot([1,2,3])
>>
>>savefig("image.eps")
>>---------------------------
>>
>>The crash is triggered when savefig() is called and only if
>>rcParams['text.usetex'] = True. The error message is
>>
>>  (test.py:7258): Pango-WARNING **: Invalid UTF-8 string passed to
>>pango_layout_set_text()
>>
>>I tried to track it down but the crash seems to occur in *different*
>>code segments (calling "python test.py" several times it crashed
>>sometimes after a call to dvips, sometimes dvipng, gs, ...). Sometimes
>>it even *doesn't* crash at all.
>>
>>I have the following pango-stuff installed (Debian):
>>
>>elcorto@ramrod:~$ COLUMNS=200 dpkg -l | grep pango
>>ii  libpango1.0-0                                1.8.1-1
>>
>>ii  libpango1.0-common                           1.8.1-1
>>
>>ii  libpango1.0-dbg                              1.8.1-1
>>
>>ii  libpango1.0-dev                              1.8.1-1
> 
> 
> I can't reproduce your result with pango 1.10.3 installed on a gentoo system 
> with python-2.4.2. Does the script crash if you set verbose.level=silent? It 
> looks like one of the stdout or stderr messages from dvips/gs/dvipng is 
> returning unicode, in which case you could try to convert them to strings 
> before passing them to verbose.report. Just a guess.

Yes, with verbose.level = 'silent' the script runs and saves the image 
but in interactive use the interpreter crashes (an errow message window 
pops up, verbose.level: silent in matplotlibrc).

cheers,
steve

-- 
Random number generation is the art of producing pure gibberish as 
quickly as possible.

On 2/25/06, Samuel M. Smith <sm...@sa...> wrote:
>
> There are several fonts installed by matplotlib into the mpl_data
> folder. The names or
> sort of cryptic. I tried matching them up with the family names in
> the matplotlibrc file list for
> font.serif
> font.sans-serif
>
> but the only one that makes sense is Bitstream Vera
> What is the family name for cmt, cms cmex and also the pXXX.afm fonts?
>

These are the default fonts used by TeX and are usually needed for
displaying math symbols.

 -- Paul

On Wed, 22 Feb 2006, Charlie Moad apparently wrote: 
> Notable notes: 
>    - Built against numpy-0.9.5 
>    - A wealth of bugfixes 
> http://sourceforge.net/project/showfiles.php?group_id=80706 

I'm on Win32 with Python 2.4.
For this I see both an egg and an installer.
The installer is being downloaded 15 times as often.
What are the considerations?

I thought the egg was the simpler choice:
can't it just be put on site-packages and that's that?
But I'm not very familiar with eggs.
Is the issue that one may wish to modify the source,
and the egg doesn't give direct access to that?

Thank you,
Alan Isaac

PS Is it true that with eggs you can have multiple versions 
side by side and use them at will?

On Sunday 26 February 2006 6:37 am, Steve Schmerler wrote:
> Hi
>
> With 0.87 and 0.86.2 mpl randomly crashes when executing this script:
>
> ---------------------------
> from pylab import *
> from matplotlib import verbose
>
> verbose.level = 'debug-annoying'
> ##verbose.level = 'debug'
>
> rcParams['text.usetex'] = True
> plot([1,2,3])
>
> savefig("image.eps")
> ---------------------------
>
> The crash is triggered when savefig() is called and only if
> rcParams['text.usetex'] = True. The error message is
>
>   (test.py:7258): Pango-WARNING **: Invalid UTF-8 string passed to
> pango_layout_set_text()
>
> I tried to track it down but the crash seems to occur in *different*
> code segments (calling "python test.py" several times it crashed
> sometimes after a call to dvips, sometimes dvipng, gs, ...). Sometimes
> it even *doesn't* crash at all.
>
> I have the following pango-stuff installed (Debian):
>
> elcorto@ramrod:~$ COLUMNS=200 dpkg -l | grep pango
> ii  libpango1.0-0                                1.8.1-1
>
> ii  libpango1.0-common                           1.8.1-1
>
> ii  libpango1.0-dbg                              1.8.1-1
>
> ii  libpango1.0-dev                              1.8.1-1

I can't reproduce your result with pango 1.10.3 installed on a gentoo system 
with python-2.4.2. Does the script crash if you set verbose.level=silent? It 
looks like one of the stdout or stderr messages from dvips/gs/dvipng is 
returning unicode, in which case you could try to convert them to strings 
before passing them to verbose.report. Just a guess.

On Fri, 2006-02-24 at 14:15 -0800, John Hunter wrote:
>         This is a bug and I fixed it in CVS (Steve take a look and see
>         if you
>         agree with the show._mainloop approach) but basically you
>         don't want
>         to use matplotlib this way.

I don't think show._mainloop is needed - it records the GTK+ state, but
GTK+ already does that itself and provides gtk.main_level() which
returns how many nestings of the mainloop we have running. To fix the
reported error we just need to check the main loop is actually running
before we call gtk.main_quit().

Fixed in CVS.

Steve

Send instant messages to your online friends http://au.messenger.yahoo.com 

Hi

With 0.87 and 0.86.2 mpl randomly crashes when executing this script:

---------------------------
from pylab import *
from matplotlib import verbose

verbose.level = 'debug-annoying'
##verbose.level = 'debug'

rcParams['text.usetex'] = True
plot([1,2,3])

savefig("image.eps")
---------------------------

The crash is triggered when savefig() is called and only if 
rcParams['text.usetex'] = True. The error message is

  (test.py:7258): Pango-WARNING **: Invalid UTF-8 string passed to 
pango_layout_set_text()

I tried to track it down but the crash seems to occur in *different* 
code segments (calling "python test.py" several times it crashed 
sometimes after a call to dvips, sometimes dvipng, gs, ...). Sometimes
it even *doesn't* crash at all.

I have the following pango-stuff installed (Debian):

elcorto@ramrod:~$ COLUMNS=200 dpkg -l | grep pango
ii  libpango1.0-0                                1.8.1-1 

ii  libpango1.0-common                           1.8.1-1 

ii  libpango1.0-dbg                              1.8.1-1 

ii  libpango1.0-dev                              1.8.1-1


Here's an example debug output:

----------------------------------------------------------------------------------------------------------
elcorto@ramrod:~$ python test.py
FigureCanvasAgg.print_figure
FigureCanvasAgg.draw
RendererAgg.__init__
RendererAgg._get_agg_font
         findfont failed Lucida Grande
         findfont failed Verdana
         findfont failed Geneva
         findfont failed Lucida
         findfont found Bitstream Vera Sans, normal, normal 500, normal, 
12.0
findfont returning 
/usr/lib/python2.3/site-packages/matplotlib/mpl-data/Vera.ttf
RendererAgg.points_to_pixels
RendererAgg.points_to_pixels
RendererAgg._get_agg_font
RendererAgg.points_to_pixels
RendererAgg.points_to_pixels
RendererAgg._get_agg_font
RendererAgg.points_to_pixels
RendererAgg.points_to_pixels
RendererAgg._get_agg_font
RendererAgg._get_agg_font
RendererAgg._get_agg_font
RendererAgg.points_to_pixels
RendererAgg.points_to_pixels
RendererAgg._get_agg_font
RendererAgg.points_to_pixels
RendererAgg.points_to_pixels
RendererAgg._get_agg_font
RendererAgg.points_to_pixels
RendererAgg.points_to_pixels
RendererAgg._get_agg_font
RendererAgg._get_agg_font
matplotlib data path /usr/lib/python2.3/site-packages/matplotlib/mpl-data
latex -interaction=nonstopmode "/tmp/15f8552d172b5a41c557b4ad371e3782.tex"
This is e-TeX, Version 3.14159-2.1 (Web2C 7.4.5)
entering extended mode
(/tmp/15f8552d172b5a41c557b4ad371e3782.tex
LaTeX2e <2001/06/01>
Babel <v3.7h> and hyphenation patterns for american, french, german, 
ngerman, b
ahasa, basque, catalan, croatian, czech, danish, dutch, finnish, greek, 
iceland
ic, irish, italian, latin, magyar, norsk, norsk, portuges, romanian, 
russian, s
lovak, slovene, spanish, swedish, turkish, ukrainian, nohyphenation, loaded.
(/usr/share/texmf/tex/latex/koma-script/scrartcl.cls
Document Class: scrartcl 2003/01/31 v2.9n LaTeX2e KOMA document class
(/usr/share/texmf/tex/latex/koma-script/scrlfile.sty
Package scrlfile, 2003/01/31 v2.9n LaTeX2e KOMA package
                   Copyright (C) Markus Kohm

) (/usr/share/texmf/tex/latex/base/size11.clo)
(/usr/share/texmf/tex/latex/koma-script/typearea.sty
Package typearea, 2003/01/31 v2.9n LaTeX2e KOMA package
                   Copyright (C) Frank Neukam, 1992-1994
                   Copyright (C) Markus Kohm, 1994-2002

)) (/usr/share/texmf/tex/latex/misc/type1cm.sty)
(/usr/share/texmf/tex/latex/psnfss/helvet.sty
(/usr/share/texmf/tex/latex/graphics/keyval.sty))
(/usr/share/texmf/tex/latex/psnfss/courier.sty)
(/usr/share/texmf/tex/latex/base/textcomp.sty
(/usr/share/texmf/tex/latex/base/ts1enc.def))
(/usr/share/texmf/tex/latex/misc/psfrag.sty
(/usr/share/texmf/tex/latex/graphics/graphics.sty
(/usr/share/texmf/tex/latex/graphics/trig.sty)
(/usr/share/texmf/tex/latex/config/graphics.cfg)
(/usr/share/texmf/tex/latex/graphics/dvips.def)))
(/usr/share/texmf/tex/latex/graphics/graphicx.sty)
(/usr/share/texmf/tex/latex/graphics/color.sty
(/usr/share/texmf/tex/latex/config/color.cfg)
(/usr/share/texmf/tex/latex/graphics/dvipsnam.def))
(./15f8552d172b5a41c557b4ad371e3782.aux)
(/usr/share/texmf/tex/latex/base/ts1cmr.fd)
(/usr/share/texmf/tex/latex/psnfss/ot1pnc.fd)
<15f8552d172b5a41c557b4ad371e3782.eps>
(/usr/share/texmf/tex/latex/psnfss/ot1phv.fd) [1]
(./15f8552d172b5a41c557b4ad371e3782.aux) )
Output written on 15f8552d172b5a41c557b4ad371e3782.dvi (1 page, 2268 bytes).
Transcript written on 15f8552d172b5a41c557b4ad371e3782.log.


dvips -R -T 12.750000in,18.030000in -o 
"/tmp/15f8552d172b5a41c557b4ad371e3782.ps" 
"/tmp/15f8552d172b5a41c557b4ad371e3782.dvi"

(test.py:7286): Pango-WARNING **: Invalid UTF-8 string passed to 
pango_layout_set_text()

----------------------------------------------------------------------------------------------------------

Hope anyone can give me a hint.

cheers,
steve

-- 
Random number generation is the art of producing pure gibberish as 
quickly as possible.

Hi Ryan,

On Sat, 25 Feb 2006, Ryan Krauss wrote:

> This is sort of not a matplotlib specific question, but it seems like
> people on this list might be able to point me in some good directions.
>  I need to give a lecture on feedback control systems.  I would like
> to talk about stabalizing unstable systems and use an inverted
> pendulum for an example.  I know that Matlab had a demo like this that
> included a fairly neat 2D visualization of a cart moving back and
> forth with an inverted pendulum on it.  I would need to run a
> simulation in the background that outputs the cart position and the
> pendulum angle and then I would want to create an animation of the
> cart and pendulum moving around.
>
> Can anyone recommend a python package for doing this kind of animation?

First, you might try to use techniques described at
  http://new.scipy.org/Wiki/Cookbook/Matplotlib/Animations
If you have a reasonably fast machine it might already work out
fine enough.
Other options are pygame (never used it myself)
and Vpython (www.vpython.org) which can do some very nice things
with remarkably little code.

Best, Arnd

This is sort of not a matplotlib specific question, but it seems like
people on this list might be able to point me in some good directions.
 I need to give a lecture on feedback control systems.  I would like
to talk about stabalizing unstable systems and use an inverted
pendulum for an example.  I know that Matlab had a demo like this that
included a fairly neat 2D visualization of a cart moving back and
forth with an inverted pendulum on it.  I would need to run a
simulation in the background that outputs the cart position and the
pendulum angle and then I would want to create an animation of the
cart and pendulum moving around.

Can anyone recommend a python package for doing this kind of animation?

Thanks,

Ryan

I'm having problems compiling matplotlib. I'm running suse 9.3 (linux) and
have python:
Python 2.4.1 (#1, Sep 13 2005, 00:39:20)

I downloaded matplotlib-0.87.tar.gz, and have not changed the setup.py or 
setupext.py at all. I think I have all the graphics things installed.

The error message goes:
>>> [snip]
building 'matplotlib._agg' extension
creating build/temp.linux-i686-2.4
creating build/temp.linux-i686-2.4/src
creating build/temp.linux-i686-2.4/agg23
creating build/temp.linux-i686-2.4/agg23/src
gcc -pthread -fno-strict-aliasing -DNDEBUG -O2 -march=i586 -mtune=i686 
-fmessage-length=0 -Wall -D_FORTIFY_SOURCE=2 -g -I/usr/X11R6/include -fPIC 
-Iagg23/include -Isrc -Iswig -I/usr/include/python2.4 -c src/agg.cxx -o 
build/temp.linux-i686-2.4/src/agg.o
cc1plus: error: invalid option `tune=i686'
error: command 'gcc' failed with exit status 1

>>  gcc --version
gcc (GCC) 3.3.5 20050117 (prerelease) (SUSE Linux)
Copyright (C) 2003 Free Software Foundation, Inc.

I cant find anywhere in the matplotlib-0.87 directory structure that sets 
this "tune=i686". I have searched all the files in the directory structure 
for "tune" and "i686", so I'm guessing it's set somewhere else, but I dont 
know where.
Can anyone help?

thanks
Sue

On Saturday 25 February 2006 12:32, Samuel M. Smith wrote:
> Rob,
>
> Is there a way for matplotlib to use the latex fonts in the plot
> window not just in the saved version of the graph?
> Even when I have usetex True it picks a font from the font list given
> in the matplotlibrc file.

This is a new feature, it uses the font list to select the appropriate latex 
font, and the same font is used in the saved version.

> How do I force it to use the type1cm or pslatex fonts?

For type1cm, use:

font.serif : serif (or "computer modern roman")
font.sans-serif : sans-serif (or "computer modern sans-serif")
font.monospace : monospace (or "computer modern typewriter")

for pslatex, use:

font.serif : times
font.sans-serif : helvetica
font.monospace : courier

I'm planning on updating the usetex wiki page, I just havent had time to do it 
yet.

Darren

Rob,

Is there a way for matplotlib to use the latex fonts in the plot  
window not just in the saved version of the graph?
Even when I have usetex True it picks a font from the font list given  
in the matplotlibrc file.
How do I force it to use the type1cm or pslatex fonts?

Sam

There are several fonts installed by matplotlib into the mpl_data  
folder. The names or
sort of cryptic. I tried matching them up with the family names in  
the matplotlibrc file list for
font.serif
font.sans-serif

but the only one that makes sense is Bitstream Vera
What is the family name for cmt, cms cmex and also the pXXX.afm fonts?







**********************************************************************
Samuel M. Smith Ph.D.
2966 Fort Hill Road
Eagle Mountain, Utah 84043
801-768-2768 voice
801-768-2769 fax
**********************************************************************
"The greatest source of failure and unhappiness in the world is
giving up what we want most for what we want at the moment"
**********************************************************************

Setting the WX_CONFIG environment variable before the build fixed one  
problem. It is now finding my matplotlibrc file.

I thought maybe it was a font corruption problem but it I use TkAgg  
everything works fine with my 0.87.1cvs build. So
I think maybe I have uncovered a bug in the WXAgg? I would like to  
help fix it but I don't have a clue of where to start.

I also tried WxAgg with the first fonts in the rc file set to the  
ones that come installed with matplotlib
font.serif          : Bitstream Vera Serif
font.sans-serif     : Bitstream Vera Sans

and it still crashes. So something is wrong. Maybe its my  
environment. It would be nice if someone could verify
if they get the same problem


Here is the debug output

AlBook:smithsm$ ipython -pylab
loaded rc file /Users/smithsm/.matplotlib/matplotlibrc
matplotlib version 0.87.1cvs
verbose.level debug
interactive is False
platform is darwin
loaded modules: ['IPython.Prompts', '_bisect', 'distutils',  
'IPython.iplib', 'IPython.signal', 'random', 'IPython.FakeModule',  
'datetime', 'matplotlib.tempfile', 'IPython.bdb',  
'distutils.sysconfig', 'pytz.datetime', 'IPython.time', 'struct',  
're', 'tempfile', 'pprint', 'IPython.copy_reg', 'imp',  
'IPython.OInspect', 'collections', 'IPython.pydoc',  
'IPython.cStringIO', 'zipimport', 'IPython.codecs', 'string',  
'matplotlib.dateutil', 'IPython.imp', 'repr',  
'matplotlib.__future__', 'pytz.tzinfo', 'IPython.Itpl',  
'IPython.Debugger', 'new', 'distutils.re', 'IPython.excolors',  
'IPython.Queue', 'IPython.os', 'resource', 'bisect', 'IPython.glob',  
'signal', 'cmd', 'pydoc', 'threading', 'token', 'shlex',  
'pytz.bisect', 'IPython.shlex', 'matplotlib.pytz',  
'IPython.exceptions', 'IPython.new', 'dis', 'cStringIO', 'locale',  
'IPython.path', 'Queue', 'IPython.types', 'atexit',  
'IPython.commands', 'encodings', 'IPython.threading', 'bdb',  
'IPython.ConfigLoader', 'matplotlib.warnings', 'matplotlib.sys',  
'encodings.types', 'posix', 'encodings.ascii', 'math',  
'IPython.platutils_dummy', 'fcntl', 'IPython.profile',  
'IPython.platutils_win32', 'dateutil', 'optparse', 'UserDict',  
'inspect', 'distutils.os', 'matplotlib', 'IPython.hooks',  
'exceptions', 'codecs', 'getopt', 'md5', 'IPython.ColorANSI',  
'commands', 'socket', 'thread', 'sre', 'IPython.StringIO',  
'traceback', 'IPython.pstats', 'pkg_resources', 'itertools',  
'opcode', 'pstats', 'IPython.tokenize', 'distutils.sys', 'os', 'pdb',  
'IPython.traceback', '__future__', '_sre', 'IPython.Shell',  
'__builtin__', 'IPython', 'distutils.string', 'matplotlib.datetime',  
'IPython.codeop', 'posixpath', 'popen2', 'errno', '_socket',  
'binascii', 'IPython.sys', 'IPython.re', 'sre_constants',  
'IPython.platutils_posix', 'IPython.PyColorize', 'matplotlib.md5',  
'types', 'IPython.genutils', 'tokenize', 'IPython.pdb', 'cPickle',  
'pytz.sys', 'IPython.platutils', 'IPython.macro', '_codecs',  
'IPython.token', '_locale', 'IPython.keyword', 'IPython.IPython',  
'IPython.string', 'pytz', 'IPython.__builtin__', 'copy',  
'matplotlib.os', 'IPython.socket', 'IPython.resource', 'IPython.cmd',  
'keyword', 'StringIO', 'IPython.linecache', 'IPython.__main__',  
'encodings.aliases', 'fnmatch', 'sre_parse', 'IPython.ultraTB',  
'IPython.tempfile', 'IPython.Release', 'IPython.OutputTrap',  
'copy_reg', 'sre_compile', '_random', 'site', 'IPython.getopt',  
'IPython.ipstruct', 'IPython.inspect', '__main__', 'shutil',  
'IPython.Magic', 'IPython.pprint', 'strop', 'IPython.bisect',  
'IPython.textwrap', 'IPython.shutil', 'encodings.codecs', 'gettext',  
'IPython.Logger', 'IPython.fnmatch', 'encodings.exceptions',  
'pytz.sets', 'profile', 'IPython.wildcard', 'stat', '_ssl',  
'warnings', 'IPython.deep_reload', 'glob', 'sets', 'textwrap', 'sys',  
'IPython.ipmaker', 'codeop', 'os.path', 'IPython.background_jobs',  
'IPython.DPyGetOpt', 'IPython.cPickle', 'IPython.usage',  
'matplotlib.distutils', 'distutils.errors', 'marshal',  
'IPython.__future__', 'linecache', 'matplotlib.shutil', 'time',  
'IPython.ipapi']
numerix numpy 0.9.5.2006
font search path ['/Library/Frameworks/Python.framework/Versions/2.4/ 
lib/python2.4/site-packages/matplotlib/mpl-data']
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/cmtt10.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/VeraMoBd.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/VeraMoBI.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/VeraBd.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/VeraSeBd.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/VeraMono.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/cmsy10.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/cmex10.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/cmmi10.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/VeraIt.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/cmr10.ttf
trying fontname /Library/Frameworks/Python.framework/Versions/2.4/lib/ 
python2.4/site-packages/matplotlib/mpl-data/Vera.ttf
$HOME=/Users/smithsm
CONFIGDIR=/Users/smithsm/.matplotlib
loaded ttfcache file /Users/smithsm/.matplotlib/ttffont.cache
matplotlib data path /Library/Frameworks/Python.framework/Versions/ 
2.4/lib/python2.4/site-packages/matplotlib/mpl-data
backend WXAgg version 2.6.2.1
Python 2.4.2 (#3, Jan  8 2006, 20:33:07)
Type "copyright", "credits" or "license" for more information.

IPython 0.7.1.fix1 -- An enhanced Interactive Python.
?       -> Introduction to IPython's features.
%magic  -> Information about IPython's 'magic' % functions.
help    -> Python's own help system.
object? -> Details about 'object'. ?object also works, ?? prints more.

   Welcome to pylab, a matplotlib-based Python environment.
   For more information, type 'help(pylab)'.

In [1]: plot([-2.345,-12.349])
------------------------------------------------------------------------ 
---
exceptions.MemoryError                               Traceback (most  
recent call last)

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/backends/backend_wx.py in _onPaint(self, evt)
    1046             self.realize()
    1047         # Render to the bitmap
-> 1048         self.draw(repaint=False)
    1049         # Update the display using a PaintDC
    1050         self.gui_repaint(drawDC=wx.PaintDC(self))

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/backends/backend_wxagg.py in draw(self, repaint)
      60         FigureCanvasAgg.draw(self)
      61
---> 62         self.bitmap = _convert_agg_to_wx_bitmap 
(self.get_renderer(), None)
      63         if repaint:
      64             self.gui_repaint()

MemoryError: _wxagg.convert_agg_to_wx_bitmap(): could not create the  
wx.Bitmap
------------------------------------------------------------------------ 
---
exceptions.MemoryError                               Traceback (most  
recent call last)

/Install/Python/MacPython/Python2.4.2/MatPlotLib/examples/<ipython  
console>

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/pylab.py in plot(*args, **kwargs)
    2122 def plot(*args, **kwargs):
    2123     # allow callers to override the hold state by passing  
hold=True|False
-> 2124     b = ishold()
    2125     h = popd(kwargs, 'hold', None)
    2126     if h is not None:

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/pylab.py in ishold()
     962     Return the hold status of the current axes
     963     """
--> 964     return gca().ishold()
     965
     966 def isinteractive():

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/pylab.py in gca(**kwargs)
     913     """
     914
--> 915     ax =  gcf().gca(**kwargs)
     916     return ax
     917

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/pylab.py in gcf()
     923         return figManager.canvas.figure
     924     else:
--> 925         return figure()
     926
     927 def gci():

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/pylab.py in figure(num, figsize, dpi, facecolor,  
edgecolor, frameon)
     893         figManager.canvas.figure.number = num
     894
--> 895     draw_if_interactive()
     896     return figManager.canvas.figure
     897

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/IPython/genutils.py in wrapper(*args, **kw)
     802     def wrapper(*args,**kw):
     803         wrapper.called = False
--> 804         out = func(*args,**kw)
     805         wrapper.called = True
     806         return out

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/backends/backend_wx.py in draw_if_interactive()
    1170         figManager = Gcf.get_active()
    1171         if figManager is not None:
-> 1172             figManager.canvas.draw()
    1173
    1174

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/backends/backend_wxagg.py in draw(self, repaint)
      60         FigureCanvasAgg.draw(self)
      61
---> 62         self.bitmap = _convert_agg_to_wx_bitmap 
(self.get_renderer(), None)
      63         if repaint:
      64             self.gui_repaint()

MemoryError: _wxagg.convert_agg_to_wx_bitmap(): could not create the  
wx.Bitmap

In [2]:  
------------------------------------------------------------------------ 
---
exceptions.MemoryError                               Traceback (most  
recent call last)

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/backends/backend_wx.py in _onPaint(self, evt)
    1046             self.realize()
    1047         # Render to the bitmap
-> 1048         self.draw(repaint=False)
    1049         # Update the display using a PaintDC
    1050         self.gui_repaint(drawDC=wx.PaintDC(self))

/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site- 
packages/matplotlib/backends/backend_wxagg.py in draw(self, repaint)
      60         FigureCanvasAgg.draw(self)
      61
---> 62         self.bitmap = _convert_agg_to_wx_bitmap 
(self.get_renderer(), None)
      63         if repaint:
      64             self.gui_repaint()

MemoryError: _wxagg.convert_agg_to_wx_bitmap(): could not create the  
wx.Bitmap