matplotlib-users Mailing List for matplotlib

No, with whatever is in the current version of svn, it now works on the
intel quad as well. Thanks!
On 8/5/07, william ratcliff <wil...@gm...> wrote:
>
> One more datapoint--I am becoming suspicious that this could be an arch
> problem. A colleague was able to build from source under cygwin on his
> rather old laptop. However, another colleague and myself have rather new
> computers and both failed (with different errors in the verbose mode). I
> just tried following Michael's build instructions (incidentally, could his
> last additions to setup.py be checked in to svn, along with a
> profile25.bat file?) on an old windows box that we have lying around here
> and it also worked well and I was able to run the embedding_in_wx4.py
> example without any problems.
>
> The computer that I've been having all of the problems on also was
> relatively clean--so, there are only two things I can think of--either some
> bizarre clash with the version of numpy that I built from source off of svn
> (which passed all of its tests, so I doubt it), or an arch dependence. I
> have an intel quad and my colleage has a duo, so perhaps there's a problem
> with computers with multiple processors? I will check the numpy issue later
> today.
>
> Thanks again,
> William
>
> On 8/2/07, william ratcliff <wil...@gm...> wrote:
> >
> > Oh--sorry I didn't read carefully--I don't need to install from sourceif there is a binary of the current svn version.
> >
> > Thanks!!
> >
> > William
> >
> >
> > On 8/2/07, william ratcliff <wil...@gm...> wrote:
> > >
> > > One of my colleagues, Paul Kienzle has made a number of additions to
> > > matplotlib for interacting with artists. I need to use some of those
> > > additions--which are not included in the stable release. Paul's on
> > > vacation, so I am trying to start from source.
> > >
> > > Thanks,
> > > William
> > >
> > > On 8/2/07, John Hunter < jd...@gm...> wrote:
> > > >
> > > > On 8/2/07, william ratcliff <wil...@gm...> wrote:
> > > > > Thanks again for all your work on this. I moved my old minGW and
> > > > installed
> > > > > MinGW-5.1.3 , and was already running the others--except numpy, I
> > > > have the
> > > > > latest version from svn, which I compiled and built fine after
> > > > building
> > > > > atlas. I checked out matplotlib from svn and did the same as you
> > > > > --I didn't try using the importlib batch file--I have a
> > > > libpython25.a--so,
> > > > > after changing the profile24.bat to profile25.bat with appropriate
> > > > path
> > > > > changes and your modifications to setup.py, I built it. I then
> > > > installed
> > > > > it--no problems yet. I then tried to use it with
> > > > embedding_in_wx4.py and
> > > > > python crashes and burns. I find that it crashes with the same
> > > > LazyValue
> > > > > error. Something similar happened to one of my colleagues who
> > > > tried building
> > > > > with visual studio instead of mingw. He's given up and is now
> > > > running it on
> > > > > his Mac. Sadly, I don't have that option. Does anyone else have
> > > > any ideas?
> > > >
> > > > Charlie Moad does our win32 builds for releases -- Charlie if you
> > > > get
> > > > a minute could you see if your build pipeline is still working OK
> > > > with
> > > > the recent svn changes, and if so take pity on poor William and send
> > > > him an installer?
> > > >
> > > > Or is there some reason you *need* to be building from src William?
> > > >
> > > > Thanks,
> > > > JDH
> > > >
> > >
> > >
> >
>

Tommy,
The easiest way is probably to provide contourf with x and y arguments 
corresponding to the bin centers. The x vector would have an entry for 
each column in your Z(x,y), and the y vector an entry for each row.
In [1]:z = rand(10,20)
In [2]:x = 2*arange(20)
In [3]:y = 2*arange(10)
In [4]:contourf(x,y,z)
Eric
Tommy Grav wrote:
> I am creating a 2 dimensional histogram that I would like to plot as 
> a contourf plot with
> matplotlib. I am using numpy to generate the histogram, but when I 
> plot it the tick marks
> are of course the index of the histogram array. How do I change these 
> tick labels to
> the value of the bins used to generate the histogram?
> 
> Cheers
> Tommy
> 
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One more datapoint--I am becoming suspicious that this could be an arch
problem. A colleague was able to build from source under cygwin on his
rather old laptop. However, another colleague and myself have rather new
computers and both failed (with different errors in the verbose mode). I
just tried following Michael's build instructions (incidentally, could his
last additions to setup.py be checked in to svn, along with a
profile25.batfile?) on an old windows box that we have lying around
here and it also
worked well and I was able to run the embedding_in_wx4.py example without
any problems.
The computer that I've been having all of the problems on also was
relatively clean--so, there are only two things I can think of--either some
bizarre clash with the version of numpy that I built from source off of svn
(which passed all of its tests, so I doubt it), or an arch dependence. I
have an intel quad and my colleage has a duo, so perhaps there's a problem
with computers with multiple processors? I will check the numpy issue later
today.
Thanks again,
William
On 8/2/07, william ratcliff <wil...@gm...> wrote:
>
> Oh--sorry I didn't read carefully--I don't need to install from source if
> there is a binary of the current svn version.
>
> Thanks!!
>
> William
>
>
> On 8/2/07, william ratcliff <wil...@gm...> wrote:
> >
> > One of my colleagues, Paul Kienzle has made a number of additions to
> > matplotlib for interacting with artists. I need to use some of those
> > additions--which are not included in the stable release. Paul's on
> > vacation, so I am trying to start from source.
> >
> > Thanks,
> > William
> >
> > On 8/2/07, John Hunter < jd...@gm...> wrote:
> > >
> > > On 8/2/07, william ratcliff <wil...@gm...> wrote:
> > > > Thanks again for all your work on this. I moved my old minGW and
> > > installed
> > > > MinGW-5.1.3 , and was already running the others--except numpy, I
> > > have the
> > > > latest version from svn, which I compiled and built fine after
> > > building
> > > > atlas. I checked out matplotlib from svn and did the same as you
> > > > --I didn't try using the importlib batch file--I have a
> > > libpython25.a--so,
> > > > after changing the profile24.bat to profile25.bat with appropriate
> > > path
> > > > changes and your modifications to setup.py, I built it. I then
> > > installed
> > > > it--no problems yet. I then tried to use it with
> > > embedding_in_wx4.py and
> > > > python crashes and burns. I find that it crashes with the same
> > > LazyValue
> > > > error. Something similar happened to one of my colleagues who tried
> > > building
> > > > with visual studio instead of mingw. He's given up and is now
> > > running it on
> > > > his Mac. Sadly, I don't have that option. Does anyone else have
> > > any ideas?
> > >
> > > Charlie Moad does our win32 builds for releases -- Charlie if you get
> > > a minute could you see if your build pipeline is still working OK with
> > >
> > > the recent svn changes, and if so take pity on poor William and send
> > > him an installer?
> > >
> > > Or is there some reason you *need* to be building from src William?
> > >
> > > Thanks,
> > > JDH
> > >
> >
> >
>

I am creating a 2 dimensional histogram that I would like to plot as 
a contourf plot with
matplotlib. I am using numpy to generate the histogram, but when I 
plot it the tick marks
are of course the index of the histogram array. How do I change these 
tick labels to
the value of the bins used to generate the histogram?
Cheers
 Tommy