matplotlib-users Mailing List for matplotlib

Hey all,

Just in case there are people out there in the same boat as me; I
found a solution. Eric pointed out that the latest matplotlib only
supported numpy rc2, but they were only listing rc3 on sourceforge.
Turns out you can click the rc3 download link, then just change the
file name... downloads, installs & jives with matplotlib perfectly!


-- 
Todd Page
tw...@gm...

On Mon, Oct 23, 2006 at 01:28:36PM -0400, Darren Dale wrote:
> Hi Stefan,
>=20
> On Monday 23 October 2006 11:17, Stefan van der Walt wrote:
> > I am trying to generate graphs using
> >
> > text.usetex : True
> > ps.usedistiller : xpdf

[...]

>=20
> I can't reproduce the problem here, using xpdf 3.01 (although xpdf -v r=
eturns=20
> 3.00), pdftops 3.00, gpl ghostscript 8.54 and latex 3.141592-1.30.5-2.2=
=20
> (tetex 3.0 p1).=20

Thanks for the feedback, Darren.  I upgraded to ghostscript v8.54,
after which everything works smoothly.

Cheers
St=E9fan

Hi Chris,

> Ok, thanks. I suspected that, but since even Google isn't able to find
> an rc2 binary, I guess my only option is to wait for a compatible
> Matplotlib to be released.

Try here:

http://prdownloads.sourceforge.net/numpy/numpy-1.0rc2.win32-py2.4.exe?download

Or, for Python 2.5:

http://prdownloads.sourceforge.net/numpy/numpy-1.0rc2.win32-py2.5.exe?download

Andrea.

"Imagination Is The Only Weapon In The War Against Reality."
http://xoomer.virgilio.it/infinity77/

> I think that 97.6 was compiled against 1.0rc2 but Charlie Moad is the
> authority on this since he did the compile.  I have added this "news
> flash" to the site

Ok, thanks. I suspected that, but since even Google isn't able to find
an rc2 binary, I guess my only option is to wait for a compatible
Matplotlib to be released.

On a loosely-related topic, I originally tried upgrading to try out
pylab.quiver. In earlier versions, the arrows drawn by quiver could
not be properly scaled and were rendered at a huge size. Do you know
if this was a registered bug, and if it's been fixed?

Regards,
Chris

>>>>> "Chris" == Chris S <chr...@gm...> writes:

    Chris> I've spent the last 3 hours trying to install Matplotlib
    Chris> 0.87.6 on Windows, with no luck. The main problem I've run
    Chris> into is finding a compatible version of
    Chris> Numeric/Numarry/Numpy to use, and unfortanately the website
    Chris> doesn't mention this detail.

    Chris> I've tried installing numpy-1.0, 0.9.8, and 0.9.6, and I
    Chris> get some variation of the error below when I try to import
    Chris> matplotlib. What version of Numpy should Matplotlib work
    Chris> with?

    Chris> Regards, Chris Spencer

    Chris> RuntimeError: module compiled against version 1000002 of
    Chris> C-API but this version of numpy is 90709

I think that 97.6 was compiled against 1.0rc2 but Charlie Moad is the
authority on this since he did the compile.  I have added this "news
flash" to the site

  The latest matplotlib for windows was compiled with numpy
  1.0rc2. Please do not upgrade matplotlib for windows if you are
  running the latest numpy 1.0rc3. Check back soon as we hope to get a
  binary build for the latest numpy ASAP. You can check your numpy
  version by doing

  >>> import numpy
  >>> print numpy.__version

  Note, the latest matplotlib compiles and runs fine against the
  latest numpy -- this only affects binary builds such as the windows
  installer.

I've spent the last 3 hours trying to install Matplotlib 0.87.6 on
Windows, with no luck. The main problem I've run into is finding a
compatible version of Numeric/Numarry/Numpy to use, and unfortanately
the website doesn't mention this detail.

I've tried installing numpy-1.0, 0.9.8, and 0.9.6, and I get some
variation of the error below when I try to import matplotlib. What
version of Numpy should Matplotlib work with?

Regards,
Chris Spencer

RuntimeError: module compiled against version 1000002 of C-API but
this version of numpy is 90709

The import of the numpy version of the _transforms module,
_ns_transforms, failed.  This is is either because numpy was
unavailable when matplotlib was compiled, because a dependency of
_ns_transforms could not be satisfied, or because the build flag for
this module was turned off in setup.py.  If it appears that
_ns_transforms was not built, make sure you have a working copy of
numpy and then re-install matplotlib. Otherwise, the following
traceback gives more details:

RuntimeError: module compiled against version 1000002 of C-API but
this version of numpy is 90709

The import of the numpy version of the nxutils module,
_nsnxutils, failed.  This is is either because numpy was
unavailable when matplotlib was compiled, because a dependency of
_nsnxutils could not be satisfied, or because the build flag for
this module was turned off in setup.py.  If it appears that
_nsnxutils was not built, make sure you have a working copy of
numpy and then re-install matplotlib. Otherwise, the following
traceback gives more details:

E
======================================================================
ERROR: testXOGame (__main__.TestSequenceFunctions)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "test_reasoning.py", line 38, in testXOGame
    frame.graph(all=True)
  File "z:\testing\poe\model\reasoning\reasoning.py", line 446, in graph
    import pylab as P
  File "C:\Program Files\Python24\Lib\site-packages\pylab.py", line 1, in ?
    from matplotlib.pylab import *
  File "C:\Program
Files\Python24\Lib\site-packages\matplotlib\pylab.py", line 199, in ?
    import mlab  #so I can override hist, psd, etc...
  File "C:\Program
Files\Python24\Lib\site-packages\matplotlib\mlab.py", line 64, in ?
    import nxutils
  File "C:\Program
Files\Python24\Lib\site-packages\matplotlib\nxutils.py", line 17, in ?
    from matplotlib._ns_nxutils import *
ImportError: numpy.core.multiarray failed to import

>>>>> "Derek" == Derek Hohls <DH...@cs...> writes:

    Derek> The standard plot: ax.plot_date(dates,values) does a "dot"
    Derek> plot
 
    Derek> whereas
 
    Derek> ax.plot_date(dates,values,'-') plots a line.
 
    Derek> How, though, do I plot values as bars?

ax.bar(dates, values)
ax.xaxis_date()

JDH

With Linux it is easy to install matplotlib from the tarball or from 
svn--no need to hunt around for a package.

Eric

Willi Richert wrote:
> Am Samstag, 21. Oktober 2006 20:30 schrieb Eric Firing:
>>> matplotlib.__version__ == 0.82
>> There is the problem: you need to update your matplotlib.
>>
>> Eric
> 
> Thanks. Unfortunately, I've not yet found a more recent ubuntu/dapper repo for 
> matplotlib. Any experience with installing the ubuntu edgy version (0.87) on 
> dapper?
> 
> Thanks,
> wr
> 
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Hi Stefan,

On Monday 23 October 2006 11:17, Stefan van der Walt wrote:
> I am trying to generate graphs using
>
> text.usetex : True
> ps.usedistiller : xpdf
>
> Unfortunately, when running
>
> import pylab as P
> P.plot([10],[10])
> P.savefig('test.eps')
>
> I get an error message:
>
> File
> "/home/stefan//lib/python2.4/site-packages/matplotlib/backends/backend_ps.p
>y", line 1412, in get_bbox raise RuntimeError('Ghostscript was not able to
> extract a bounding box.\ RuntimeError: Ghostscript was not able to extract
> a bounding box.Here is the Ghostscript output:
>
> ESP Ghostscript 815.02: Unrecoverable error, exit code 1
>
> When I run with --verbose-debug-annoying I see
>
> pdftops -paper match -level2 "/tmp/098f6bcd4621d373cade4e832627b4f6.pdf"
> "/tmp/098f6bcd4621d373cade4e832627b4f6.ps" >
> "/tmp/098f6bcd4621d373cade4e832627b4f6.output"
>
> gs -dBATCH -dNOPAUSE -sDEVICE=bbox "/tmp/098f6bcd4621d373cade4e832627b4f6"
> ESP Ghostscript 815.02 (2006-04-19)
> Copyright (C) 2004 artofcode LLC, Benicia, CA.  All rights reserved.
> This software comes with NO WARRANTY: see the file PUBLIC for details.
> ERROR: /undefined in pdfLastFill
>
> I am running gs v8.15.2, pdftops v3.00, dvipng v1.5 and xpdf v3.01.  Are
> these versions known to be incompatible, or is there possible a
> problem with the output generated by matplotlib?
>
> With
>
> ps.usedistiller : ghostscript
>
> everything runs smoothly, but the text looks pretty dismal.
>
> I would appreciate any advice on how to get this running!

I can't reproduce the problem here, using xpdf 3.01 (although xpdf -v returns 
3.00), pdftops 3.00, gpl ghostscript 8.54 and latex 3.141592-1.30.5-2.2 
(tetex 3.0 p1). 

Hi,

I am trying to generate graphs using

text.usetex : True
ps.usedistiller : xpdf

Unfortunately, when running

import pylab as P
P.plot([10],[10])
P.savefig('test.eps')

I get an error message:

File "/home/stefan//lib/python2.4/site-packages/matplotlib/backends/backe=
nd_ps.py", line 1412, in get_bbox
    raise RuntimeError('Ghostscript was not able to extract a bounding bo=
x.\
RuntimeError: Ghostscript was not able to extract a bounding box.Here is =
the Ghostscript output:

ESP Ghostscript 815.02: Unrecoverable error, exit code 1

When I run with --verbose-debug-annoying I see

pdftops -paper match -level2 "/tmp/098f6bcd4621d373cade4e832627b4f6.pdf" =
"/tmp/098f6bcd4621d373cade4e832627b4f6.ps" > "/tmp/098f6bcd4621d373cade4e=
832627b4f6.output"

gs -dBATCH -dNOPAUSE -sDEVICE=3Dbbox "/tmp/098f6bcd4621d373cade4e832627b4=
f6"
ESP Ghostscript 815.02 (2006-04-19)
Copyright (C) 2004 artofcode LLC, Benicia, CA.  All rights reserved.
This software comes with NO WARRANTY: see the file PUBLIC for details.
ERROR: /undefined in pdfLastFill

I am running gs v8.15.2, pdftops v3.00, dvipng v1.5 and xpdf v3.01.  Are
these versions known to be incompatible, or is there possible a
problem with the output generated by matplotlib?

With

ps.usedistiller : ghostscript

everything runs smoothly, but the text looks pretty dismal.

I would appreciate any advice on how to get this running!

Thanks
St=E9fan

The standard plot:
 
ax.plot_date(dates,values) 
does a "dot" plot
 
whereas 
 
ax.plot_date(dates,values,'-') 
plots a line. 
 
How, though, do I plot values as bars?
 
Thanks
Derek
 
PS dates are converted from an array "dates as strings",
using the datestr2num() - which works well!


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unfortunately, debs.astraw.com is not accessible.

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ping: unknown host debs.astraw.com

 wr@[ikarus]:~> ping www.astraw.com
PING www.astraw.com (66.33.203.253) 56(84) bytes of data.
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Am Montag, 23. Oktober 2006 13:18 schrieb Sven Schreiber:
> Willi Richert schrieb:
> > Am Samstag, 21. Oktober 2006 20:30 schrieb Eric Firing:
> >>> matplotlib.__version__ == 0.82
> >>
> >> There is the problem: you need to update your matplotlib.
> >>
> >> Eric
> >
> > Thanks. Unfortunately, I've not yet found a more recent ubuntu/dapper
> > repo for matplotlib. Any experience with installing the ubuntu edgy
> > version (0.87) on dapper?
>
> check out the ubuntu (dapper) section at
> http://new.scipy.org/Installing_SciPy/Linux, that repository (by Andrew
> Straw) also gives you recent matplotlib packages.
> -sven

Willi Richert schrieb:
> Am Samstag, 21. Oktober 2006 20:30 schrieb Eric Firing:
>>> matplotlib.__version__ == 0.82
>> There is the problem: you need to update your matplotlib.
>>
>> Eric
> 
> Thanks. Unfortunately, I've not yet found a more recent ubuntu/dapper repo for 
> matplotlib. Any experience with installing the ubuntu edgy version (0.87) on 
> dapper?
> 

check out the ubuntu (dapper) section at
http://new.scipy.org/Installing_SciPy/Linux, that repository (by Andrew
Straw) also gives you recent matplotlib packages.
-sven

Am Samstag, 21. Oktober 2006 20:30 schrieb Eric Firing:
> >
> > matplotlib.__version__ == 0.82
>
> There is the problem: you need to update your matplotlib.
>
> Eric

Thanks. Unfortunately, I've not yet found a more recent ubuntu/dapper repo for 
matplotlib. Any experience with installing the ubuntu edgy version (0.87) on 
dapper?

Thanks,
wr