matplotlib-users Mailing List for matplotlib (Page 14)

Hello list -
I want to plot something in two subplots, then add something to the first
subplot.
How do I select the first subplot after I have plotted on the second
subplot?
For example:
subplot(211)
plot([1,2,3])
subplot(212)
plot([4,3,2])
Now I want to add something to the first subplot.
So I thought I could do subplot(211) again, but that destroys the subplot.
Any suggestions?
Thanks, Mark

On Tue, Jun 10, 2008 at 3:35 AM, Ryan May <rm...@gm...> wrote:
> John Hunter wrote:
>>
>> I posted a snapshot of the docs at:
>>
>> http://matplotlib.sourceforge.net/doc/html/index.html
>>
>
> WOW. I love the way sphinx docs look. But more importantly, great work
> you guys on improving the documentation. As long as I've been using
> matplotlib (2 1/2 years now), it's been a very powerful and
> full-featured toolkit, but the problem was knowing where to find out how
> to make it do what you want (or more often even knowing that such a
> feature existed). The examples were (and still are) a good place to
> look, but what you guys have put together here is asthetic and very
> useful, and it puts a nice public face on all the hard work you've done.
Indeed, that's the problem of many python projects (in my case sympy
...) that it's difficult to find out what it can do. But
once we switched to sphinx, I am much more motivated to write more
docs, as it looks good. :)
Ondrej

John Hunter wrote:
> 
> I posted a snapshot of the docs at:
> 
> http://matplotlib.sourceforge.net/doc/html/index.html
> 
WOW. I love the way sphinx docs look. But more importantly, great work 
you guys on improving the documentation. As long as I've been using 
matplotlib (2 1/2 years now), it's been a very powerful and 
full-featured toolkit, but the problem was knowing where to find out how 
to make it do what you want (or more often even knowing that such a 
feature existed). The examples were (and still are) a good place to 
look, but what you guys have put together here is asthetic and very 
useful, and it puts a nice public face on all the hard work you've done.
My hat off to you. Keep it up.
Ryan
-- 
Ryan May
Graduate Research Assistant
School of Meteorology
University of Oklahoma

Bryan Fodness wrote:
> I have copied the new patches.py and axes.py. It fixed the fill, but I 
> still have an axes instance that is not closed.
I don't understand what you mean by this--what is the problem?
> 
> x1, x2, y1, y2 = -4, 4, -4, 4
> ax1 = axes([0.0, 0.0, 1.0, 1.0], axisbg='0.95')
> ax2 = axes([0.2, 0.1, 0.6, 0.8], axisbg='w')
> ax2.fill([x1,x2,x2,x1], [y1,y1,y2,y2], fc='None', ec='r')
> xlim(x1-2,x2+2)
> ylim(y1-2,y2+2)
> 
> Do I need more than the files that I have copied?
I don't know, but in general, copying individual files from svn is very 
risky; changes might have been committed that only work when all 
affected files are updated.
I think that what you may need to do is either learn to build from svn, 
and accept that this is a bleeding edge and you will get cut now and 
then, or stick to unmodified releases, and use workarounds in your own 
code for whatever bugs and shortcomings you stumble over.
Eric

I have copied the new patches.py and axes.py. It fixed the fill, but I
still have an axes instance that is not closed.
x1, x2, y1, y2 = -4, 4, -4, 4
ax1 = axes([0.0, 0.0, 1.0, 1.0], axisbg='0.95')
ax2 = axes([0.2, 0.1, 0.6, 0.8], axisbg='w')
ax2.fill([x1,x2,x2,x1], [y1,y1,y2,y2], fc='None', ec='r')
xlim(x1-2,x2+2)
ylim(y1-2,y2+2)
Do I need more than the files that I have copied?
On Thu, Jun 5, 2008 at 4:19 PM, Eric Firing <ef...@ha...> wrote:
> Bryan,
>
> Thanks for pointing this out. Mike D. has made a change in the svn trunk
> to restore the automatic closing of polygons made with the patches.Polygon
> constructor, which is used by the fill command.
>
> Eric
>
> Bryan Fodness wrote:
>
>> It seems like it does not connect the last point to the first point. This
>> also happens with the matplotlib.patches Polygon.
>> from pylab import fill, xlim, ylim, savefig
>> x1, x2, y1, y2 = -4, 4, -4, 4
>> fill([x1,x2,x2,x1], [y1,y1,y2,y2], fc='None', ec='r')
>> xlim(-5,5)
>> ylim(-5,5)
>> savefig('edge_test')
>>
>>
>> On Thu, Jun 5, 2008 at 1:18 AM, Eric Firing <ef...@ha... <mailto:
>> ef...@ha...>> wrote:
>>
>> Bryan Fodness wrote:
>>
>> I just upgraded to 0.98.0 and recreated a few graphs. I am
>> missing parts of the edges of a fill and polygon. Any suggestions?
>>
>>
>> Please post an illustrative script, as simple as possible.
>>
>> Eric
>>
>>
>>
>>
>> --
>> "The game of science can accurately be described as a never-ending insult
>> to human intelligence." - João Magueijo
>>
>
>
-- 
"The game of science can accurately be described as a never-ending insult to
human intelligence." - João Magueijo

On Mon, 9 Jun 2008, T J apparently wrote:
> I need pstricks 
Out of curiosity, what do you use in pstricks that pgf does 
not provide?
Cheers,
Alan Isaac

I'm having a problem with the bbox keyword to the text() function. The 
code below, for me, results in one postscript file that looks fine, but 
the PNG file has letters outside of the bounding box for most of the 
words I plot.
I'm using matplotlib '0.98pre' on Mac OS X.
import matplotlib
matplotlib.use('agg')
from pylab import *
x = array([6,7,8,9,10])
y = array([6,7,8,9,10])
fig = figure()
plot(x,y,'rx')
hold('on')
fontdict2 = {'fontweight':'light',
 'color': 'k',
 'fontsize':9}
words = ['Hi','Goodbye','What''s this','Aloha','So long, farewell']
for i in range(0,len(x)):
 tx = x[i]
 ty = y[i]
 word = words[i]
 text(tx,ty,word,fontdict2,bbox={'facecolor':'w'})
savefig('textplot.eps')
savefig('textplot.png')
close(fig)
-- 
------------------------------------------------------
Michael Hearne
mh...@us...
(303) 273-8620
USGS National Earthquake Information Center
1711 Illinois St. Golden CO 80401
Senior Software Engineer
Synergetics, Inc.
------------------------------------------------------

Hi T J,
On Monday 09 June 2008 04:06:32 pm T J wrote:
> Hi,
>
> I use pstricks frequently, and it has provided an alpha channel
> (provided we eventually use ps2pdf). With matplotlib, when I save to
> eps, I lose all transparency (understandable), but I wonder if it is
> possible to export the picture as a bunch of pstricks commands, which,
> after using ps2pdf, would give transparency.
>
> Yes, I am aware of pdflatex which supports pdf, but I need pstricks
> (and I haven't yet explored pst-pdf). Either way, a pstricks-backend
> would be quite nice! Is this feasible?
I'm sure its feasible, but probably not practical: I don't think there is 
enough demand for a pstricks backend to make it worth the development time 
and the longterm commitment to support it.
Darren

Hi,
I use pstricks frequently, and it has provided an alpha channel
(provided we eventually use ps2pdf). With matplotlib, when I save to
eps, I lose all transparency (understandable), but I wonder if it is
possible to export the picture as a bunch of pstricks commands, which,
after using ps2pdf, would give transparency.
Yes, I am aware of pdflatex which supports pdf, but I need pstricks
(and I haven't yet explored pst-pdf). Either way, a pstricks-backend
would be quite nice! Is this feasible?

On Thu, Jun 5, 2008 at 8:50 PM, John Hunter <jd...@gm...> wrote:
> On the svn trunk (0.98) there is a
> bug in the apple gcc compiler with our agg extension that causes a
> compiler error if the optimization level is -O3.
Has this been reported to Apple?
Cheers
Adam

 I have had horrible luck with bdist_mpkg for the last several months.
I did poke at the setuptools code and it looks like we just won't be able to
make it happy with a universal binary. The preferred extensions have ppc or
i386 in them depending on your arch. I think the best way to move forward
is to just post binaries for each architecture and not have a universal
build.
 I statically compile in universal builds of libpng and freetype so
end-users don't have to worry about it. I just build these by hand and the
process is documented here:
http://ipython.scipy.org/moin/MatplotlibOSXBuildNotes
- Charlie
On Mon, Jun 9, 2008 at 1:03 PM, Christopher Barker <Chr...@no...>
wrote:
> Charlie Moad wrote:
> > I am not having luck finding docs on this.
>
> setuptools really don't seem to be living up to their (its?) promise.
>
> Would it be hard to go back to *.mpkg binaries? We'd have to do one for
> Apple's python, and one for python.org's, but that should be pretty
> easy, at least for someone running Leopard.
>
> Or is bdist_mpkg not working for MPL anymore?
>
> Charlie, where/how did you get the Universal libs for the dependencies?
>
> -Chris
>
>
>
> --
> Christopher Barker, Ph.D.
> Oceanographer
>
> Emergency Response Division
> NOAA/NOS/OR&R (206) 526-6959 voice
> 7600 Sand Point Way NE (206) 526-6329 fax
> Seattle, WA 98115 (206) 526-6317 main reception
>
> Chr...@no...
>
> -------------------------------------------------------------------------
> Check out the new SourceForge.net Marketplace.
> It's the best place to buy or sell services for
> just about anything Open Source.
> http://sourceforge.net/services/buy/index.php
> _______________________________________________
> Matplotlib-users mailing list
> Mat...@li...
> https://lists.sourceforge.net/lists/listinfo/matplotlib-users
>

Charlie Moad wrote:
> I am not having luck finding docs on this.
setuptools really don't seem to be living up to their (its?) promise.
Would it be hard to go back to *.mpkg binaries? We'd have to do one for 
Apple's python, and one for python.org's, but that should be pretty 
easy, at least for someone running Leopard.
Or is bdist_mpkg not working for MPL anymore?
Charlie, where/how did you get the Universal libs for the dependencies?
-Chris
-- 
Christopher Barker, Ph.D.
Oceanographer
Emergency Response Division
NOAA/NOS/OR&R (206) 526-6959 voice
7600 Sand Point Way NE (206) 526-6329 fax
Seattle, WA 98115 (206) 526-6317 main reception
Chr...@no...

Ondrej Certik wrote:
> On Mon, Jun 9, 2008 at 5:08 PM, John Hunter <jd...@gm...> wrote:
> 
>> On Mon, Jun 9, 2008 at 10:00 AM, Ondrej Certik <on...@ce...> wrote:
>>
>> 
>>> My system wide matplotlib is 0.91.2-2. I tried to install the one from
>>> svn, but it requires numpy 1.1, which is not yet in Debian. So if it
>>> is not possible to generate the docs without numpy 1.1, I'll wait
>>> until it gets into Debian.
>>> 
>> Yes, the docs project is specifically for the 0.98 svn trunk, which
>> requires numpy 1.1
>>
>> I can post some build snapshots on the web ocassionally if people are
>> interested.
>> 
>
> Yes, I am very interested, especially I wanted to see Michael's CSS
> styles. If you could post it on the web somewhere, it'd be awesome.
> 
Honestly there's very little to my style -- it just adds thin lines 
above each class, method, function etc. to make them easier to 
separate. Other than that, it's the stock Sphinx CSS.
http://matplotlib.svn.sourceforge.net/viewvc/matplotlib/trunk/matplotlib/doc/_static/matplotlib.css?view=log
Cheers,
Mike

On Mon, Jun 9, 2008 at 5:41 PM, John Hunter <jd...@gm...> wrote:
> On Mon, Jun 9, 2008 at 10:23 AM, Ondrej Certik <on...@ce...> wrote:
>
>> In the meantime, I am trying to package numpy 1.1 for Debian, but when
>> I installed it and did "import numpy", I got:
>>
>> ImportError: No module named ma
>
> Make sure you rm -rf the numpy* install dirs. I think people have
> seen similar problems trying to install over old numpys (ditto for mpl
> 0.98)
The peculiar point is that it seems to work normally, but not when I
create the deb package, so it's probably Debian specific. I'll ask on
the numpy list if I won't figure it out myself.
>
> I posted a snapshot of the docs at:
>
> http://matplotlib.sourceforge.net/doc/html/index.html
Thanks, looks good. Very nice docs.
Ondrej

On Mon, Jun 9, 2008 at 10:23 AM, Ondrej Certik <on...@ce...> wrote:
> In the meantime, I am trying to package numpy 1.1 for Debian, but when
> I installed it and did "import numpy", I got:
>
> ImportError: No module named ma
Make sure you rm -rf the numpy* install dirs. I think people have
seen similar problems trying to install over old numpys (ditto for mpl
0.98)
I posted a snapshot of the docs at:
 http://matplotlib.sourceforge.net/doc/html/index.html
JDH

On Mon, Jun 9, 2008 at 5:08 PM, John Hunter <jd...@gm...> wrote:
> On Mon, Jun 9, 2008 at 10:00 AM, Ondrej Certik <on...@ce...> wrote:
>
>> My system wide matplotlib is 0.91.2-2. I tried to install the one from
>> svn, but it requires numpy 1.1, which is not yet in Debian. So if it
>> is not possible to generate the docs without numpy 1.1, I'll wait
>> until it gets into Debian.
>
> Yes, the docs project is specifically for the 0.98 svn trunk, which
> requires numpy 1.1
>
> I can post some build snapshots on the web ocassionally if people are
> interested.
Yes, I am very interested, especially I wanted to see Michael's CSS
styles. If you could post it on the web somewhere, it'd be awesome.
In the meantime, I am trying to package numpy 1.1 for Debian, but when
I installed it and did "import numpy", I got:
ImportError: No module named ma
So now I am going to figure out what's wrong. Anyway, that's why I
prefer proven software in Debian, so that I don't have to fix such
problems to see the docs. :) I need to fix the problem at some point
though anyway, so I'll do it now.
Ondrej

On Mon, Jun 9, 2008 at 10:00 AM, Ondrej Certik <on...@ce...> wrote:
> My system wide matplotlib is 0.91.2-2. I tried to install the one from
> svn, but it requires numpy 1.1, which is not yet in Debian. So if it
> is not possible to generate the docs without numpy 1.1, I'll wait
> until it gets into Debian.
Yes, the docs project is specifically for the 0.98 svn trunk, which
requires numpy 1.1
I can post some build snapshots on the web ocassionally if people are
interested.
JDH

Hi,
I did:
$ svn co https://matplotlib.svn.sourceforge.net/svnroot/matplotlib/trunk/matplotlib
$ cd matplotlib/doc
$ ./make.py html
making figs
 building pyplot_formatstr.py
 building dollar_ticks.py
 building pyplot_text.py
 building pyplot_two_subplots.py
 building fig_x.py
 building pyplot_three.py
 building fig_axes_customize_simple.py
 building fig_axes_labels_simple.py
 building pyplot_simple.py
 building pyplot_mathtext.py
all figures made
/var/lib/python-support/python2.5/pygments/plugin.py:39: UserWarning:
Module pygments was already imported from
/var/lib/python-support/python2.5/pygments/__init__.py, but
/var/lib/python-support/python2.5 is being added to sys.path
 import pkg_resources
Sphinx v0.3, building html
trying to load pickled env... not found
building [html]: targets for 24 source files that are out of date
updating environment: 24 added, 0 changed, 0 removed
reading... api/artist_api api/index api/pyplot_api reST markup error:
/home/ondra/repos/matplotlib/doc/api/pyplot_api.rst:1100: (SEVERE/4)
Unexpected section title or transition.
****************
My system wide matplotlib is 0.91.2-2. I tried to install the one from
svn, but it requires numpy 1.1, which is not yet in Debian. So if it
is not possible to generate the docs without numpy 1.1, I'll wait
until it gets into Debian.
Thanks,
Ondrej

>>
>
> Samuel,
> Something must be wrong with your numpy installation: did you forget 
> to delete
> any previous installation of numpy before installing 1.1.0 ? There 
> shouldn't
> be any ma.py module in numpy.core. The masked array module now 
> resides in
> numpy.ma
>
That was it. I didn't realize I had to delete the old installation 
first.
After deleting everything with numpy init from /Library/Frameworks/ 
Python.framework/Versions/2.5/lib/python2.5/site-packages
 and reinstalling, all the tests past cleanly.
Thanks

On Saturday 07 June 2008 16:04:13 Samuel M. Smith wrote:
> Numpy is installed in /Library/Frameworks/Python.framework/Versions/
> 2.5/lib/python2.5/site-packages/numpy
> Numpy version 1.1.0
> /Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-
> packages/numpy/core/ma.py:609: UserWarning: Cannot automatically
> convert masked array to numeric because data
> is masked in one or more locations.
> warnings.warn("Cannot automatically convert masked array to "\
Samuel,
Something must be wrong with your numpy installation: did you forget to delete 
any previous installation of numpy before installing 1.1.0 ? There shouldn't 
be any ma.py module in numpy.core. The masked array module now resides in 
numpy.ma
> FAIL: check_testUfuncRegression (numpy.core.tests.test_ma.TestUfuncs)
Same here: you shouldn't have a numpy.core.tests.test_ma file, but 
numpy.ma.tests.test_core.
Please try to reinstall numpy from scratch, or at least delete outdated files.

I installed numpy 1.10 from the package installer to OS X Leopard 
10.5.3.
It installs fine but I get and error (see below) when running the tests.
Does anyone else get this error? Is it fixed in the current svn version?
 >>> numpy.test()
Numpy is installed in /Library/Frameworks/Python.framework/Versions/ 
2.5/lib/python2.5/site-packages/numpy
Numpy version 1.1.0
Python version 2.5.2 (r252:60911, Feb 22 2008, 07:57:53) [GCC 4.0.1 
(Apple Computer, Inc. build 5363)]
/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site- 
packages/numpy/core/ma.py:609: UserWarning: Cannot automatically 
convert masked array to numeric because data
 is masked in one or more locations.
 warnings.warn("Cannot automatically convert masked array to "\
FAIL: check_testUfuncRegression (numpy.core.tests.test_ma.TestUfuncs)
----------------------------------------------------------------------
Traceback (most recent call last):
 File "/Library/Frameworks/Python.framework/Versions/2.5/lib/ 
python2.5/site-packages/numpy/core/tests/test_ma.py", line 692, in 
check_testUfuncRegression
 self.failUnless(eqmask(ur.mask, mr.mask))
AssertionError
----------------------------------------------------------------------
Ran 1319 tests in 2.475s
FAILED (failures=1)
<unittest._TextTestResult run=1319 errors=0 failures=1>

Thanks, I got confused by later posts in the same thread that only 
said to delete the work fat not the whole -macosx-10.3-fat
That still didn't work completely as the permissions were wrong after 
the install
in /Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/ 
site-packages/matplotlib-0.98.0-py2.5.egg
drwx------ 10 root admin 340 Jun 7 14:20 matplotlib-0.98.0- 
py2.5.egg
after
 chmod ugo+rx matplotlib-0.98.0-py2.5.egg
then I could ipython --pylab successfully
Thanks
On 07 Jun 2008, at 15:09 , Jeff Whitaker wrote:
> Samuel M. Smith wrote:
>> I am a little confused. It seems the only ones having success
>> installing MPL on Leopard are those building from
>> source. Is this the recommended way to install. I couldn't get the 
>> egg
>> to install.
>>
>>
> Samuel: There was a recent message (pasted below) on the list from
> Vincent Noel that describes a workaround for the Leopard egg problem:
>
> "If you rename matplotlib-0.98.0-py2.5.egg to
> matplotlib-0.98.0-py2.5.egg,
> easy_install will install it from the disk.
>
> I'm not sure why this happens. I've noticed lots of Mac OS X eggs with
> cruft at the end of the
> filename, which prevents their installation through easy_install.
> Renaming is all it takes
> to install them; still, it's annoying."
>
> HTH,
>
> -Jeff
>
>
>
> -- 
> Jeffrey S. Whitaker Phone : (303)497-6313
> NOAA/OAR/CDC R/PSD1 FAX : (303)497-6449
> 325 Broadway Boulder, CO, USA 80305-3328
>
>
> -------------------------------------------------------------------------
> Check out the new SourceForge.net Marketplace.
> It's the best place to buy or sell services for
> just about anything Open Source.
> http://sourceforge.net/services/buy/index.php
> _______________________________________________
> Matplotlib-users mailing list
> Mat...@li...
> https://lists.sourceforge.net/lists/listinfo/matplotlib-users
**********************************************************************
Samuel M. Smith Ph.D.
2966 Fort Hill Road
Eagle Mountain, Utah 84005-4108
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"
**********************************************************************

I renamed the egg on sf to "matplotlib-0.98.0-py2.5-macosx-10.3.egg". For
me, setuptools does not try to download the source after installing now.
Unfortunately when I try, "easy_install matplotlib", it still starts
downloading the source instead of the osx binary. I am not having luck
finding docs on this.
- Charlie
On Sat, Jun 7, 2008 at 3:09 PM, Jeff Whitaker <js...@fa...> wrote:
> Samuel M. Smith wrote:
> > I am a little confused. It seems the only ones having success
> > installing MPL on Leopard are those building from
> > source. Is this the recommended way to install. I couldn't get the egg
> > to install.
> >
> >
> Samuel: There was a recent message (pasted below) on the list from
> Vincent Noel that describes a workaround for the Leopard egg problem:
>
> "If you rename matplotlib-0.98.0-py2.5-macosx-10.3-fat.egg to
> matplotlib-0.98.0-py2.5.egg,
> easy_install will install it from the disk.
>
> I'm not sure why this happens. I've noticed lots of Mac OS X eggs with
> cruft at the end of the
> filename, which prevents their installation through easy_install.
> Renaming is all it takes
> to install them; still, it's annoying."
>
> HTH,
>
> -Jeff
>
>
>
> --
> Jeffrey S. Whitaker Phone : (303)497-6313
> NOAA/OAR/CDC R/PSD1 FAX : (303)497-6449
> 325 Broadway Boulder, CO, USA 80305-3328
>
>
> -------------------------------------------------------------------------
> Check out the new SourceForge.net Marketplace.
> It's the best place to buy or sell services for
> just about anything Open Source.
> http://sourceforge.net/services/buy/index.php
> _______________________________________________
> Matplotlib-users mailing list
> Mat...@li...
> https://lists.sourceforge.net/lists/listinfo/matplotlib-users
>

Samuel M. Smith wrote:
> I am a little confused. It seems the only ones having success 
> installing MPL on Leopard are those building from
> source. Is this the recommended way to install. I couldn't get the egg 
> to install.
>
> 
Samuel: There was a recent message (pasted below) on the list from 
Vincent Noel that describes a workaround for the Leopard egg problem:
"If you rename matplotlib-0.98.0-py2.5-macosx-10.3-fat.egg to
matplotlib-0.98.0-py2.5.egg,
easy_install will install it from the disk.
I'm not sure why this happens. I've noticed lots of Mac OS X eggs with
cruft at the end of the
filename, which prevents their installation through easy_install.
Renaming is all it takes
to install them; still, it's annoying."
HTH,
-Jeff
-- 
Jeffrey S. Whitaker Phone : (303)497-6313
NOAA/OAR/CDC R/PSD1 FAX : (303)497-6449
325 Broadway Boulder, CO, USA 80305-3328

I am a little confused. It seems the only ones having success 
installing MPL on Leopard are those building from
source. Is this the recommended way to install. I couldn't get the egg 
to install.
**********************************************************************
Samuel M. Smith Ph.D.
2966 Fort Hill Road
Eagle Mountain, Utah 84005-4108
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"
**********************************************************************