matplotlib-users

[Matplotlib-users] Newbie help!

[Barry D. <bl...@ad...>]

I'm running Python 2.3 on win XPro.  When I try to run
the simple example code I get the following error
output:

Traceback (most recent call last):
  File
"C:\Python23\Lib\site-packages\matplotlib\_simple_demo.py",
line 6, in ?
    from matplotlib.figure import Figure, Subplot
  File
"C:\Python23\Lib\site-packages\matplotlib\figure.py",
line 19, in ?
    from lines import Line2D_Dispatcher, SolidLine2D,
\
ImportError: cannot import name Line2D_Dispatcher

I've searched the files for this name,
Line2D_Dispatcher, and can't find it. Is something
missing from my installation?

Thanks.
Barry Drake

Re: [Matplotlib-users] Newbie help!

[John H. <jdh...@ac...>]

>>>>> "Barry" == Barry Drake <bl...@ad...> writes:

    Barry> I've searched the files for this name, Line2D_Dispatcher,
    Barry> and can't find it. Is something missing from my
    Barry> installation?

This looks like a version conflict in matplotlib.  The dispatcher
thing is from an older version and is no longer used, and the
_simple_demo.py code has been removed as well.  I suggest you remove
the C:\Python23\Lib\site-packages\matplotlib dir entirely and
reinstall version 0.29 from the matplotlib sourceforge site.

Then you should be able to run the examples in the examples dir of the
src distribution without problems.

Let me know how it goes,
John Hunter

Re: [Matplotlib-users] Newbie help!

[Barry D. <bl...@ad...>]

I am using the 0.29 version of matplotlib.  I switched
to running the examples from the tutorial and things
are working great.

You verified what I thought, that _simple_demo.py was
from an earlier version.

I haven't been able to use the package interactively
yet.  At a command prompt, I was able to run the
thread test from the website though.  I'll mainly be
using matplotlib statically anyway.

As a long time Matlab user, I was very happy to find
this package!

Thanks for your quick response.
Barry

--- John Hunter <jdh...@ac...> wrote:
> >>>>> "Barry" == Barry Drake <bl...@ad...>
> writes:
> 
>     Barry> I've searched the files for this name,
> Line2D_Dispatcher,
>     Barry> and can't find it. Is something missing
> from my
>     Barry> installation?
> 
> This looks like a version conflict in matplotlib. 
> The dispatcher
> thing is from an older version and is no longer
> used, and the
> _simple_demo.py code has been removed as well.  I
> suggest you remove
> the C:\Python23\Lib\site-packages\matplotlib dir
> entirely and
> reinstall version 0.29 from the matplotlib
> sourceforge site.
> 
> Then you should be able to run the examples in the
> examples dir of the
> src distribution without problems.
> 
> Let me know how it goes,
> John Hunter

Re: [Matplotlib-users] Newbie help!

[Barry D. <bl...@ad...>]

Update on the interactive mode:

I found the interactive2.py on the website and tried
that rather than the interactive.py that was included
with the .29 dist.  That worked.  However, 

1. it can't find ShowOn (NameError) so I just typed
show() at the command prompt 

2. and it doesn't exit using ctrl-z <enter> ; I used
the close box.

Barry

--- John Hunter <jdh...@ac...> wrote:
> >>>>> "Barry" == Barry Drake <bl...@ad...>
> writes:
> 
>     Barry> I've searched the files for this name,
> Line2D_Dispatcher,
>     Barry> and can't find it. Is something missing
> from my
>     Barry> installation?
> 
> This looks like a version conflict in matplotlib. 
> The dispatcher
> thing is from an older version and is no longer
> used, and the
> _simple_demo.py code has been removed as well.  I
> suggest you remove
> the C:\Python23\Lib\site-packages\matplotlib dir
> entirely and
> reinstall version 0.29 from the matplotlib
> sourceforge site.
> 
> Then you should be able to run the examples in the
> examples dir of the
> src distribution without problems.
> 
> Let me know how it goes,
> John Hunter
> 
> 
>
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Re: [Matplotlib-users] Newbie help!

[John H. <jdh...@ac...>]

>>>>> "Barry" == Barry Drake <bl...@ad...> writes:

    Barry> Update on the interactive mode: I found the interactive2.py
    Barry> on the website and tried that rather than the
    Barry> interactive.py that was included with the .29 dist.  That
    Barry> worked.  However,

    Barry> 1. it can't find ShowOn (NameError) so I just typed show()
    Barry> at the command prompt

I made several bug fixes that have restored interactive2.py
functionality.  When I added support for other outputs (PS and GD) a
few bugs crept into the GTK output that I was unaware of, and tracking
down your problems made them clear to me.  

I just uploaded a new file release to the sourceforge site that
reflects these changes to the GTK backend and interactive2.py, as well
as the new legend command.  The version is 0.29.1, so you should grab
a copy and give it a try.  Note you'll need the src distribution (zip
or tar.gz) to get the new examples/interactive2.py file.

    Barry> 2. and it doesn't exit using ctrl-z <enter> ; I used the
    Barry> close box.

This one is still on the TODO list.

Hope this helps,
John Hunter