Re: [Matplotlib-users] question about building from source on windows

[Eric Firing]

william ratcliff wrote:
> This also occurs when I run
> import matplotlib
> matplotlib.use("Agg")
> from pylab import *,
> then it crashes with LazyValue::init_type

That's in the _transforms module.  You might try with
matplotlib.use("Template") and see if it still crashes--not that I would 
know how to track down the problem in either case.

Eric

> 
> 
> On 8/1/07, * william ratcliff* <[EMAIL PROTECTED] 
> > wrote:
> 
> No, thank you for trying so hard.
> 
> I just tried running setup.py with VERBOSE=True on a clean installation.
> when it crashes I get:
> LazyValue::init_type
> 
> does this mean anything to anyone?
> 
> William
> 
> 
> On 8/1/07, *Michael Droettboom* <[EMAIL PROTECTED]
> > wrote:
> 
> It's probably something in C++ backend code for Agg.  Maybe
> someone else
> on this list knows the last time it built and worked on Windows
> and can
> track down a change that may have broken it.
> 
> It will probably take some work with a debugger to figure out
> where it
> is crashing.  I'd be completely guessing at this point.  If you feel
> adventurous and can get a C backtrace out of the crash somehow,
> (does
> gdb work with mingw?), that could be useful.  Barring that,
> maybe one of
> the other Windows folk on this list has some ideas.
> 
> Thanks for your considerable patience ;)
> 
> Cheers,
> Mike
> 
> william ratcliff wrote:
> >  Yes.  It crashes at the savefig line.
> >
> >  On 8/1/07, *Michael Droettboom* < [EMAIL PROTECTED]
> 
> >  mailto:[EMAIL PROTECTED]>>> wrote:
> >
> > william ratcliff wrote:
> > > Ok--I reverted to head and it fixed the undefined references
> > error and
> > > everything seems to build normally.
> > Well, that's partially good news...
> > > But, if I try to run the embedding_in_wx4.py example, it
> crashes
> > > python 2.5.1
> > >
> > > If I install from the .msi then things do work in python
> 2.5.1,
> > so it
> > > must be something with the build.
> > Just to clarify, you mean the 0.90.1 installer downloaded from
> > SourceForge?
> > >
> > > I also tried to just start python from the command
> window, then ran:
> > > import numpy as N
> > > x=N.array([1,2,3])
> > > from pylab import *
> > > plot(x,x)
> > > show()
> > >
> > > The plot command generates a Line2D instance,
> > > but the show() command kills python in the same way that the
> > embedding
> > > example does.  In the embedding example, I notice that the
> > CanvasFrame
> > > is generated before the crash.
> > Does it also crash if you use the Agg backend alone and
> save to an
> > image
> > file?
> >
> > import matplotlib
> > matplotlib.use("Agg")
> > from pylab import *
> > plot([1,2,3])
> > savefig("test.png")
> >
> > Cheers,
> > Mike
> > >
> > > On 8/1/07, *william ratcliff* <
> [EMAIL PROTECTED] 
> >  >
> > >  
> >   > >
> > > Let me try this.
> > >
> > > On 8/1/07, *Michael Droettboom* < [EMAIL PROTECTED]
> 
> > mailto:[EMAIL PROTECTED]>>
> > > mailto:[EMAIL PROTECTED]>
>  > >
> > > I'm going to summarize, just to make sure I have
> everything
> > > straight.
> > >
> > > 1) HEAD doesn't build (you get lots of "undefined
> > reference to
> > > `_imp__FT_Done_FreeType'")
> > > 2) revision 3645 (yesterday before my setup.py
> changes),
> > > builds, but you
> > > got the float('inf') error (which is now fixed)
> > > 3) much earlier revisions (3608) have other issues
> > (which seem
> > > to be
> > > related to out-of-date wxPython code)
> > >
> > > I have just committed a possible fix for 1).  You
> may
> > 

Re: [Matplotlib-users] New user's question --- first run --- everything seems fine, got error msgs.

[Christopher Barker]

[EMAIL PROTECTED] wrote:
Dear all: The first problem was fixed by upgrading to a recent version 
of ipython. As for the second (IPP stuff) warning ... still pending but 
doesn't doing harm currently.


A question to the wxPython mailing list may be in order for that one. AS 
a little test, trying running the enclosed, about-as-small-as-it-gets 
wxPython app, and see if you get the same warning.


-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

[EMAIL PROTECTED]
#!/usr/bin/env python2.4

import wx

class DemoFrame(wx.Frame):
""" This window displays a button """
def __init__(self, title = "Micro App"):
wx.Frame.__init__(self, None , -1, title)

MenuBar = wx.MenuBar()

FileMenu = wx.Menu()

item = FileMenu.Append(wx.ID_ANY, text = "&Open")

self.Bind(wx.EVT_MENU, self.OnOpen, item)

item = FileMenu.Append(wx.ID_PREFERENCES, text = "&Preferences")
self.Bind(wx.EVT_MENU, self.OnPrefs, item)

item = FileMenu.Append(wx.ID_EXIT, text = "&Exit")

self.Bind(wx.EVT_MENU, self.OnQuit, item)


MenuBar.Append(FileMenu, "&File")

HelpMenu = wx.Menu()

item = HelpMenu.Append(wx.ID_HELP, "Test &Help",
"Help for this simple test")
self.Bind(wx.EVT_MENU, self.OnHelp, item)

## this gets put in the App menu on OS-X
item = HelpMenu.Append(wx.ID_ABOUT, "&About",
"More information About this program")
self.Bind(wx.EVT_MENU, self.OnAbout, item)
MenuBar.Append(HelpMenu, "&Help")

self.SetMenuBar(MenuBar)

btn = wx.Button(self, label = "Quit")

btn.Bind(wx.EVT_BUTTON, self.OnQuit )

self.Bind(wx.EVT_CLOSE, self.OnQuit)


def OnQuit(self,Event):
self.Destroy()

def OnAbout(self, event):
dlg = wx.MessageDialog(self, "This is a small program to test\n"
 "the use of menus on Mac, etc.\n",
"About Me", wx.OK | wx.ICON_INFORMATION)
dlg.ShowModal()
dlg.Destroy()

def OnHelp(self, event):
dlg = wx.MessageDialog(self, "This would be help\n"
 "If there was any\n",
"Test Help", wx.OK | wx.ICON_INFORMATION)
dlg.ShowModal()
dlg.Destroy()

def OnOpen(self, event):
dlg = wx.MessageDialog(self, "This would be an open Dialog\n"
 "If there was anything to open\n",
"Open File", wx.OK | wx.ICON_INFORMATION)
dlg.ShowModal()
dlg.Destroy()

def OnPrefs(self, event):
dlg = wx.MessageDialog(self, "This would be an preferences Dialog\n"
 "If there were any preferences to set.\n",
"Preferences", wx.OK | wx.ICON_INFORMATION)
dlg.ShowModal()
dlg.Destroy()

app = wx.App(False)
frame = DemoFrame()
frame.Show()
app.MainLoop()





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Re: [Matplotlib-users] New user's question --- first run --- everything seems fine, got error msgs.

[frigoris . ma]

Dear all: The first problem was fixed by upgrading to a recent version of
ipython. As for the second (IPP stuff) warning ... still pending but doesn't
doing harm currently.

Thank you all.

Cong.


On 8/2/07, Christopher Barker <[EMAIL PROTECTED]> wrote:
>
> [EMAIL PROTECTED] wrote:
> > /usr/lib/python2.5/site-packages/IPython/Shell.py:709:
> > DeprecationWarning: The wxPython compatibility package is no longer
> > automatically generated or actively maintained. Please switch to the wx
> > package as soon as possible.
>
> > I don't understand what was said by the Deprecation Warning message. The
> > wxPython on my computer is up-to-date.
>
> This isn't an issue with your wx package, it's an issue with how ipython
> or mpl is using wx -- are you using the latest versions of each of
> these? I'm pretty sure this was fixed in recent MPLs.
>
> However, it's a deprecation warning, so it should still work for now.
>
> > ** (python:15301): WARNING **: IPP request failed with status 1030
>
> I have no idea about this one -- hopefully it will be familiar to someone.
>
> -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
>
> [EMAIL PROTECTED]
>
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Re: [Matplotlib-users] Image Scalling

[Christopher Barker]

Jonathan Makem wrote:
>How do I scale an image of a plot so that it fits a landscape A4 
> page?

What back-end are you using?

> How do you increase the font size of the numbers on each axis?

This page may be helpful for some of these questions:

http://www.scipy.org/Cookbook/Matplotlib/AdjustingImageSize

-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

[EMAIL PROTECTED]

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Re: [Matplotlib-users] question about building from source on windows

[william ratcliff]

This also occurs when I run
import matplotlib
matplotlib.use("Agg")
from pylab import *,
then it crashes with LazyValue::init_type


On 8/1/07, william ratcliff <[EMAIL PROTECTED]> wrote:
>
> No, thank you for trying so hard.
>
> I just tried running setup.py with VERBOSE=True on a clean installation.
> when it crashes I get:
> LazyValue::init_type
>
> does this mean anything to anyone?
>
> William
>
> On 8/1/07, Michael Droettboom <[EMAIL PROTECTED]> wrote:
> >
> > It's probably something in C++ backend code for Agg.  Maybe someone else
> > on this list knows the last time it built and worked on Windows and can
> > track down a change that may have broken it.
> >
> > It will probably take some work with a debugger to figure out where it
> > is crashing.  I'd be completely guessing at this point.  If you feel
> > adventurous and can get a C backtrace out of the crash somehow, (does
> > gdb work with mingw?), that could be useful.  Barring that, maybe one of
> >
> > the other Windows folk on this list has some ideas.
> >
> > Thanks for your considerable patience ;)
> >
> > Cheers,
> > Mike
> >
> > william ratcliff wrote:
> > > Yes.  It crashes at the savefig line.
> > >
> > > On 8/1/07, *Michael Droettboom* < [EMAIL PROTECTED]
> > > > wrote:
> > >
> > > william ratcliff wrote:
> > > > Ok--I reverted to head and it fixed the undefined references
> > > error and
> > > > everything seems to build normally.
> > > Well, that's partially good news...
> > > > But, if I try to run the embedding_in_wx4.py example, it crashes
> > > > python 2.5.1
> > > >
> > > > If I install from the .msi then things do work in python 2.5.1,
> > > so it
> > > > must be something with the build.
> > > Just to clarify, you mean the 0.90.1 installer downloaded from
> > > SourceForge?
> > > >
> > > > I also tried to just start python from the command window, then
> > ran:
> > > > import numpy as N
> > > > x=N.array([1,2,3])
> > > > from pylab import *
> > > > plot(x,x)
> > > > show()
> > > >
> > > > The plot command generates a Line2D instance,
> > > > but the show() command kills python in the same way that the
> > > embedding
> > > > example does.  In the embedding example, I notice that the
> > > CanvasFrame
> > > > is generated before the crash.
> > > Does it also crash if you use the Agg backend alone and save to an
> >
> > > image
> > > file?
> > >
> > > import matplotlib
> > > matplotlib.use("Agg")
> > > from pylab import *
> > > plot([1,2,3])
> > > savefig("test.png")
> > >
> > > Cheers,
> > > Mike
> > > >
> > > > On 8/1/07, *william ratcliff* < [EMAIL PROTECTED]
> > > 
> > > >  > > >> wrote:
> > > >
> > > > Let me try this.
> > > >
> > > > On 8/1/07, *Michael Droettboom* < [EMAIL PROTECTED]
> > > 
> > > > >> wrote:
> > > >
> > > > I'm going to summarize, just to make sure I have
> > everything
> > > > straight.
> > > >
> > > > 1) HEAD doesn't build (you get lots of "undefined
> > > reference to
> > > > `_imp__FT_Done_FreeType'")
> > > > 2) revision 3645 (yesterday before my setup.py changes),
> > > > builds, but you
> > > > got the float('inf') error (which is now fixed)
> > > > 3) much earlier revisions (3608) have other issues
> > > (which seem
> > > > to be
> > > > related to out-of-date wxPython code)
> > > >
> > > > I have just committed a possible fix for 1).  You may
> > > want to try
> > > > updating to HEAD and building that.
> > > >
> > > > If that doesn't work for you, I'm worried about things
> > > getting
> > > > out of
> > > > hand and annoying a lot of people with my (well
> > intentioned)
> > > > setup.py
> > > > changes yesterday.  If that's the case, I will revert my
> > > build
> > > > changes
> > > > until I have a chance to sit in front of a Windows box
> > and
> > > > figure out
> > > > what's really going wrong.
> > > >
> > > > Apologies all around,
> > > > Mike
> > > >
> > > > william ratcliff wrote:
> > > > > 3608 also runs into problems of linking with the
> > freetype
> > > > libraries.
> > > > > Some much older versions (say in the 3500s) compile,
> > but
> > > > still crash
> > > > > python2.5.1 with errors like:
> > > > >
> > > > >
> > > C:\matplotlib\trunk\matplotlib\examples>c:\python25\python.exe
> > > > > embedding_in_wx4.
> > > >

Re: [Matplotlib-users] New user's question --- first run --- everything seems fine, got error msgs.

[Michael Droettboom]

[EMAIL PROTECTED] wrote:
> I'm an astronomy major college student in Beijing who recently 
> switched to Python for most of his homework in numeric analysis and 
> data visualization (and really loving Python). I run Python 2.5 
> with NumPy, SciPy and matplotlib on a Fedora 7 Linux system. The 
> matplotlib on my computer was build from source but most of the 
> required dependecies (incl. wxPython, gtk2-devel things, etc.) were 
> installed from the "official" Fedora repository via yum. During 
> compilation of matplotlib I set the BUILD_WXAGG variable to 1 and left 
> everything else untouched.
>
> The compilation was smooth but the first test run seems not. After 
> invoking ipython with -pylab parameter I received the warning (and 
> welcome) messages:
>
> /usr/lib/python2.5/site-packages/IPython/Shell.py:709: 
> DeprecationWarning: The wxPython compatibility package is no longer 
> automatically generated or actively maintained. Please switch to the 
> wx package as soon as possible.
> import wxPython.wx as wx

This is actually coming from ipython, not matplotlib.  This indicates 
that version of ipython you have installed was written for an earlier 
version of wxPython.  It may still work despite this warning.  (Maybe an 
ipython expert can comment on that.)  The current release of ipython 
(0.8.1) has been updated and does not present this warning with the 
current release of wxPython (2.8.4.0).

If both your ipython and wxPython are from official Fedora packages, 
that's a version mismatch, and should probably be reported as a 
packaging bug to Fedora.  You may want to upgrade ipython if you can do 
so easily.

> Then I threw a test command to ipython and things seem to be wrong 
> again. A typical session goes like this:
>
> In [1]: # This is just a test plot. It generates a figure in the GUI 
> with some warning message.
>
> In [2]: plot([1, 3, 8, 0])
>
> ** (python:15301): WARNING **: IPP request failed with status 1030
>
> ** (python:15301): WARNING **: IPP request failed with status 1030

That's very strange.  AFAIK, IPP is "Internet Printing Protocol", and 
this message usually comes from CUPS or something.  My best guess is 
that when wxPython initializes its first window, it also initializes the 
wxWidgets printing stuff, and there's something underlying that that is 
broken on your system.  (Only a guess).  Again, it's possible that 
things could continue normally despite this warning.

I would look into your printer configuration to see if these messages 
can be eliminated.

> The correct figure was generated in a GUI but error messages pop 
> up whenever "plot" is used.

What are the error messages?  (Or do you just mean the ones above?)

>
> Currently I've got no idea about either warning message. They 
> certainly told me something but I can't even make sure whether there 
> are things going wrong! *shrug* So any hints?
>
> Thanks in advance

I think if the plots being generated are okay, both of these warnings 
could be benign, though annoying.

Cheers,
Mike

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Re: [Matplotlib-users] question about building from source on windows

[william ratcliff]

No, thank you for trying so hard.

I just tried running setup.py with VERBOSE=True on a clean installation.
when it crashes I get:
LazyValue::init_type

does this mean anything to anyone?

William

On 8/1/07, Michael Droettboom <[EMAIL PROTECTED]> wrote:
>
> It's probably something in C++ backend code for Agg.  Maybe someone else
> on this list knows the last time it built and worked on Windows and can
> track down a change that may have broken it.
>
> It will probably take some work with a debugger to figure out where it
> is crashing.  I'd be completely guessing at this point.  If you feel
> adventurous and can get a C backtrace out of the crash somehow, (does
> gdb work with mingw?), that could be useful.  Barring that, maybe one of
> the other Windows folk on this list has some ideas.
>
> Thanks for your considerable patience ;)
>
> Cheers,
> Mike
>
> william ratcliff wrote:
> > Yes.  It crashes at the savefig line.
> >
> > On 8/1/07, *Michael Droettboom* <[EMAIL PROTECTED]
> > > wrote:
> >
> > william ratcliff wrote:
> > > Ok--I reverted to head and it fixed the undefined references
> > error and
> > > everything seems to build normally.
> > Well, that's partially good news...
> > > But, if I try to run the embedding_in_wx4.py example, it crashes
> > > python 2.5.1
> > >
> > > If I install from the .msi then things do work in python 2.5.1,
> > so it
> > > must be something with the build.
> > Just to clarify, you mean the 0.90.1 installer downloaded from
> > SourceForge?
> > >
> > > I also tried to just start python from the command window, then
> ran:
> > > import numpy as N
> > > x=N.array([1,2,3])
> > > from pylab import *
> > > plot(x,x)
> > > show()
> > >
> > > The plot command generates a Line2D instance,
> > > but the show() command kills python in the same way that the
> > embedding
> > > example does.  In the embedding example, I notice that the
> > CanvasFrame
> > > is generated before the crash.
> > Does it also crash if you use the Agg backend alone and save to an
> > image
> > file?
> >
> > import matplotlib
> > matplotlib.use("Agg")
> > from pylab import *
> > plot([1,2,3])
> > savefig("test.png")
> >
> > Cheers,
> > Mike
> > >
> > > On 8/1/07, *william ratcliff* < [EMAIL PROTECTED]
> > 
> > >  > >> wrote:
> > >
> > > Let me try this.
> > >
> > > On 8/1/07, *Michael Droettboom* < [EMAIL PROTECTED]
> > 
> > > >> wrote:
> > >
> > > I'm going to summarize, just to make sure I have
> everything
> > > straight.
> > >
> > > 1) HEAD doesn't build (you get lots of "undefined
> > reference to
> > > `_imp__FT_Done_FreeType'")
> > > 2) revision 3645 (yesterday before my setup.py changes),
> > > builds, but you
> > > got the float('inf') error (which is now fixed)
> > > 3) much earlier revisions (3608) have other issues
> > (which seem
> > > to be
> > > related to out-of-date wxPython code)
> > >
> > > I have just committed a possible fix for 1).  You may
> > want to try
> > > updating to HEAD and building that.
> > >
> > > If that doesn't work for you, I'm worried about things
> > getting
> > > out of
> > > hand and annoying a lot of people with my (well
> intentioned)
> > > setup.py
> > > changes yesterday.  If that's the case, I will revert my
> > build
> > > changes
> > > until I have a chance to sit in front of a Windows box and
> > > figure out
> > > what's really going wrong.
> > >
> > > Apologies all around,
> > > Mike
> > >
> > > william ratcliff wrote:
> > > > 3608 also runs into problems of linking with the
> freetype
> > > libraries.
> > > > Some much older versions (say in the 3500s) compile, but
> > > still crash
> > > > python2.5.1 with errors like:
> > > >
> > > >
> > C:\matplotlib\trunk\matplotlib\examples>c:\python25\python.exe
> > > > embedding_in_wx4.
> > > > py
> > > > embedding_in_wx4.py:24: DeprecationWarning: The wxPython
> > > compatibility
> > > > package i
> > > > s no longer automatically generated or actively
> > > maintained.  Please
> > > > switch to th
> > > > e wx package as soon as possible.
> > > >   from wxPython.wx import *
> > > >
> > > 

Re: [Matplotlib-users] question about building from source on windows

[Michael Droettboom]

It's probably something in C++ backend code for Agg.  Maybe someone else 
on this list knows the last time it built and worked on Windows and can 
track down a change that may have broken it.

It will probably take some work with a debugger to figure out where it 
is crashing.  I'd be completely guessing at this point.  If you feel 
adventurous and can get a C backtrace out of the crash somehow, (does 
gdb work with mingw?), that could be useful.  Barring that, maybe one of 
the other Windows folk on this list has some ideas.

Thanks for your considerable patience ;)

Cheers,
Mike

william ratcliff wrote:
> Yes.  It crashes at the savefig line.
>
> On 8/1/07, *Michael Droettboom* <[EMAIL PROTECTED] 
> > wrote:
>
> william ratcliff wrote:
> > Ok--I reverted to head and it fixed the undefined references
> error and
> > everything seems to build normally.
> Well, that's partially good news...
> > But, if I try to run the embedding_in_wx4.py example, it crashes
> > python 2.5.1
> >
> > If I install from the .msi then things do work in python 2.5.1,
> so it
> > must be something with the build.
> Just to clarify, you mean the 0.90.1 installer downloaded from
> SourceForge?
> >
> > I also tried to just start python from the command window, then ran:
> > import numpy as N
> > x=N.array([1,2,3])
> > from pylab import *
> > plot(x,x)
> > show()
> >
> > The plot command generates a Line2D instance,
> > but the show() command kills python in the same way that the
> embedding
> > example does.  In the embedding example, I notice that the
> CanvasFrame
> > is generated before the crash.
> Does it also crash if you use the Agg backend alone and save to an
> image
> file?
>
> import matplotlib
> matplotlib.use("Agg")
> from pylab import *
> plot([1,2,3])
> savefig("test.png")
>
> Cheers,
> Mike
> >
> > On 8/1/07, *william ratcliff* < [EMAIL PROTECTED]
> 
> >  >> wrote:
> >
> > Let me try this.
> >
> > On 8/1/07, *Michael Droettboom* < [EMAIL PROTECTED]
> 
> > >> wrote:
> >
> > I'm going to summarize, just to make sure I have everything
> > straight.
> >
> > 1) HEAD doesn't build (you get lots of "undefined
> reference to
> > `_imp__FT_Done_FreeType'")
> > 2) revision 3645 (yesterday before my setup.py changes),
> > builds, but you
> > got the float('inf') error (which is now fixed)
> > 3) much earlier revisions (3608) have other issues
> (which seem
> > to be
> > related to out-of-date wxPython code)
> >
> > I have just committed a possible fix for 1).  You may
> want to try
> > updating to HEAD and building that.
> >
> > If that doesn't work for you, I'm worried about things
> getting
> > out of
> > hand and annoying a lot of people with my (well intentioned)
> > setup.py
> > changes yesterday.  If that's the case, I will revert my
> build
> > changes
> > until I have a chance to sit in front of a Windows box and
> > figure out
> > what's really going wrong.
> >
> > Apologies all around,
> > Mike
> >
> > william ratcliff wrote:
> > > 3608 also runs into problems of linking with the freetype
> > libraries.
> > > Some much older versions (say in the 3500s) compile, but
> > still crash
> > > python2.5.1 with errors like:
> > >
> > >
> C:\matplotlib\trunk\matplotlib\examples>c:\python25\python.exe
> > > embedding_in_wx4.
> > > py
> > > embedding_in_wx4.py:24: DeprecationWarning: The wxPython
> > compatibility
> > > package i
> > > s no longer automatically generated or actively
> > maintained.  Please
> > > switch to th
> > > e wx package as soon as possible.
> > >   from wxPython.wx import *
> > >
> > > Thanks again for the help!
> > >
> > > William
> > >
> > > On 8/1/07, *John Hunter* < [EMAIL PROTECTED]
> 
> > mailto:[EMAIL PROTECTED]>>
> mailto:[EMAIL PROTECTED]>
> > >>
> > > > wrote:
> > >
> > > On 8/1/07, william ratcliff <
> [EMAIL PROTECTED] 
> >  

[Matplotlib-users] New user's question --- first run --- everything seems fine, got error msgs.

[frigoris . ma]

Dear all,

I'm an astronomy major college student in Beijing who recently switched to
Python for most of his homework in numeric analysis and data visualization
(and really loving Python). I run Python 2.5 with NumPy, SciPy
and matplotlib on a Fedora 7 Linux system. The matplotlib on my computer was
build from source but most of the required dependecies (incl. wxPython,
gtk2-devel things, etc.) were installed from the "official" Fedora
repository via yum. During compilation of matplotlib I set the BUILD_WXAGG
variable to 1 and left everything else untouched.

The compilation was smooth but the first test run seems not. After invoking
ipython with -pylab parameter I received the warning (and welcome) messages:

/usr/lib/python2.5/site-packages/IPython/Shell.py:709: DeprecationWarning:
The wxPython compatibility package is no longer automatically generated or
actively maintained. Please switch to the wx package as soon as possible.
import wxPython.wx as wx
Python 2.5 (r25:51908, Apr 10 2007, 10:29:13)
Type "copyright", "credits" or "license" for more information.

IPython 0.7.2 -- 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)'.

I don't understand what was said by the Deprecation Warning message. The
wxPython on my computer is up-to-date.

Then I threw a test command to ipython and things seem to be wrong again. A
typical session goes like this:

In [1]: # This is just a test plot. It generates a figure in the GUI with
some warning message.

In [2]: plot([1, 3, 8, 0])

** (python:15301): WARNING **: IPP request failed with status 1030

** (python:15301): WARNING **: IPP request failed with status 1030
Out[2]: []

In [3]:


The correct figure was generated in a GUI but error messages pop
up whenever "plot" is used.

Currently I've got no idea about either warning message. They certainly told
me something but I can't even make sure whether there are things going
wrong! *shrug* So any hints?

Thanks in advance

Cong.
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Re: [Matplotlib-users] question about building from source on windows

[william ratcliff]

Yes.  It crashes at the savefig line.

On 8/1/07, Michael Droettboom <[EMAIL PROTECTED]> wrote:
>
> william ratcliff wrote:
> > Ok--I reverted to head and it fixed the undefined references error and
> > everything seems to build normally.
> Well, that's partially good news...
> > But, if I try to run the embedding_in_wx4.py example, it crashes
> > python 2.5.1
> >
> > If I install from the .msi then things do work in python 2.5.1, so it
> > must be something with the build.
> Just to clarify, you mean the 0.90.1 installer downloaded from
> SourceForge?
> >
> > I also tried to just start python from the command window, then ran:
> > import numpy as N
> > x=N.array([1,2,3])
> > from pylab import *
> > plot(x,x)
> > show()
> >
> > The plot command generates a Line2D instance,
> > but the show() command kills python in the same way that the embedding
> > example does.  In the embedding example, I notice that the CanvasFrame
> > is generated before the crash.
> Does it also crash if you use the Agg backend alone and save to an image
> file?
>
> import matplotlib
> matplotlib.use("Agg")
> from pylab import *
> plot([1,2,3])
> savefig("test.png")
>
> Cheers,
> Mike
> >
> > On 8/1/07, *william ratcliff* <[EMAIL PROTECTED]
> > > wrote:
> >
> > Let me try this.
> >
> > On 8/1/07, *Michael Droettboom* < [EMAIL PROTECTED]
> > > wrote:
> >
> > I'm going to summarize, just to make sure I have everything
> > straight.
> >
> > 1) HEAD doesn't build (you get lots of "undefined reference to
> > `_imp__FT_Done_FreeType'")
> > 2) revision 3645 (yesterday before my setup.py changes),
> > builds, but you
> > got the float('inf') error (which is now fixed)
> > 3) much earlier revisions (3608) have other issues (which seem
> > to be
> > related to out-of-date wxPython code)
> >
> > I have just committed a possible fix for 1).  You may want to
> try
> > updating to HEAD and building that.
> >
> > If that doesn't work for you, I'm worried about things getting
> > out of
> > hand and annoying a lot of people with my (well intentioned)
> > setup.py
> > changes yesterday.  If that's the case, I will revert my build
> > changes
> > until I have a chance to sit in front of a Windows box and
> > figure out
> > what's really going wrong.
> >
> > Apologies all around,
> > Mike
> >
> > william ratcliff wrote:
> > > 3608 also runs into problems of linking with the freetype
> > libraries.
> > > Some much older versions (say in the 3500s) compile, but
> > still crash
> > > python2.5.1 with errors like:
> > >
> > > C:\matplotlib\trunk\matplotlib\examples>c:\python25\python.exe
> > > embedding_in_wx4.
> > > py
> > > embedding_in_wx4.py:24: DeprecationWarning: The wxPython
> > compatibility
> > > package i
> > > s no longer automatically generated or actively
> > maintained.  Please
> > > switch to th
> > > e wx package as soon as possible.
> > >   from wxPython.wx import *
> > >
> > > Thanks again for the help!
> > >
> > > William
> > >
> > > On 8/1/07, *John Hunter* < [EMAIL PROTECTED]
> >   > >
> > > > wrote:
> > >
> > > On 8/1/07, william ratcliff < [EMAIL PROTECTED]
> > 
> > >  > >> wrote:
> > > > from matplotlib.mathtext import math_parse_s_ft2font
> > > >   File
> > > > "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> > > > line 1182, in  > > > dule>
> > > > class Vlist(List):
> > > >   File
> > > > "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> > > > line 1189, in Vli
> > > > st
> > > > def vpack(self, h=0., m='additional',
> l=float('inf')):
> > > > ValueError: invalid literal for float(): inf
> > >
> > > It's not clear to me why you should be hitting mathtext
> > at all, since
> > > the wxcursor_demo.py does not use it, as far as I can
> > tell.  Michael,
> > > would any of your earlier work caused him to get into
> > mathtext
> > > inapproriately?  You may need to revert a little farther,
> > William, eg
> > > to r3608 while we get this sorted out.
> > >
> > > JDH
> > >
> > >
> >
> >
> >
>
>
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Re: [Matplotlib-users] question about building from source on windows

[Michael Droettboom]

william ratcliff wrote:
> Ok--I reverted to head and it fixed the undefined references error and 
> everything seems to build normally.
Well, that's partially good news...
> But, if I try to run the embedding_in_wx4.py example, it crashes 
> python 2.5.1
>
> If I install from the .msi then things do work in python 2.5.1, so it 
> must be something with the build.
Just to clarify, you mean the 0.90.1 installer downloaded from 
SourceForge? 
>
> I also tried to just start python from the command window, then ran:
> import numpy as N
> x=N.array([1,2,3])
> from pylab import *
> plot(x,x)
> show()
>
> The plot command generates a Line2D instance,
> but the show() command kills python in the same way that the embedding 
> example does.  In the embedding example, I notice that the CanvasFrame 
> is generated before the crash.
Does it also crash if you use the Agg backend alone and save to an image 
file?

import matplotlib
matplotlib.use("Agg")
from pylab import *
plot([1,2,3])
savefig("test.png")

Cheers,
Mike
>
> On 8/1/07, *william ratcliff* <[EMAIL PROTECTED] 
> > wrote:
>
> Let me try this.
>
> On 8/1/07, *Michael Droettboom* < [EMAIL PROTECTED]
> > wrote:
>
> I'm going to summarize, just to make sure I have everything
> straight.
>
> 1) HEAD doesn't build (you get lots of "undefined reference to
> `_imp__FT_Done_FreeType'")
> 2) revision 3645 (yesterday before my setup.py changes),
> builds, but you
> got the float('inf') error (which is now fixed)
> 3) much earlier revisions (3608) have other issues (which seem
> to be
> related to out-of-date wxPython code)
>
> I have just committed a possible fix for 1).  You may want to try
> updating to HEAD and building that.
>
> If that doesn't work for you, I'm worried about things getting
> out of
> hand and annoying a lot of people with my (well intentioned)
> setup.py
> changes yesterday.  If that's the case, I will revert my build
> changes
> until I have a chance to sit in front of a Windows box and
> figure out
> what's really going wrong.
>
> Apologies all around,
> Mike
>
> william ratcliff wrote:
> > 3608 also runs into problems of linking with the freetype
> libraries.
> > Some much older versions (say in the 3500s) compile, but
> still crash
> > python2.5.1 with errors like:
> >
> > C:\matplotlib\trunk\matplotlib\examples>c:\python25\python.exe
> > embedding_in_wx4.
> > py
> > embedding_in_wx4.py:24: DeprecationWarning: The wxPython
> compatibility
> > package i
> > s no longer automatically generated or actively
> maintained.  Please
> > switch to th
> > e wx package as soon as possible.
> >   from wxPython.wx import *
> >
> > Thanks again for the help!
> >
> > William
> >
> > On 8/1/07, *John Hunter* < [EMAIL PROTECTED]
>   >
> > > wrote:
> >
> > On 8/1/07, william ratcliff < [EMAIL PROTECTED]
> 
> >  >> wrote:
> > > from matplotlib.mathtext import math_parse_s_ft2font
> > >   File
> > > "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> > > line 1182, in  > > dule>
> > > class Vlist(List):
> > >   File
> > > "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> > > line 1189, in Vli
> > > st
> > > def vpack(self, h=0., m='additional', l=float('inf')):
> > > ValueError: invalid literal for float(): inf
> >
> > It's not clear to me why you should be hitting mathtext
> at all, since
> > the wxcursor_demo.py does not use it, as far as I can
> tell.  Michael,
> > would any of your earlier work caused him to get into
> mathtext
> > inapproriately?  You may need to revert a little farther,
> William, eg
> > to r3608 while we get this sorted out.
> >
> > JDH
> >
> >
>
>
>


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Re: [Matplotlib-users] question about building from source on windows

[william ratcliff]

I also looked at the log_bar.py example and found that it's also at the
pylab.show() command that it dies

On 8/1/07, william ratcliff <[EMAIL PROTECTED]> wrote:
>
> Ok--I reverted to head and it fixed the undefined references error and
> everything seems to build normally.   But, if I try to run the
> embedding_in_wx4.py example, it crashes python 2.5.1
>
> If I install from the .msi then things do work in python 2.5.1, so it must
> be something with the build.
>
> I also tried to just start python from the command window, then ran:
> import numpy as N
> x=N.array([1,2,3])
> from pylab import *
> plot(x,x)
> show()
>
> The plot command generates a Line2D instance,
> but the show() command kills python in the same way that the embedding
> example does.  In the embedding example, I notice that the CanvasFrame is
> generated before the crash.
>
>
> Cheers,
> William
>
>
> On 8/1/07, william ratcliff <[EMAIL PROTECTED]> wrote:
> >
> > Let me try this.
> >
> > On 8/1/07, Michael Droettboom < [EMAIL PROTECTED]> wrote:
> > >
> > > I'm going to summarize, just to make sure I have everything straight.
> > >
> > > 1) HEAD doesn't build (you get lots of "undefined reference to
> > > `_imp__FT_Done_FreeType'")
> > > 2) revision 3645 (yesterday before my setup.py changes), builds, but
> > > you
> > > got the float('inf') error (which is now fixed)
> > > 3) much earlier revisions (3608) have other issues (which seem to be
> > > related to out-of-date wxPython code)
> > >
> > > I have just committed a possible fix for 1).  You may want to try
> > > updating to HEAD and building that.
> > >
> > > If that doesn't work for you, I'm worried about things getting out of
> > > hand and annoying a lot of people with my (well intentioned) setup.py
> > > changes yesterday.  If that's the case, I will revert my build changes
> > >
> > > until I have a chance to sit in front of a Windows box and figure out
> > > what's really going wrong.
> > >
> > > Apologies all around,
> > > Mike
> > >
> > > william ratcliff wrote:
> > > > 3608 also runs into problems of linking with the freetype libraries.
> > >
> > > > Some much older versions (say in the 3500s) compile, but still crash
> > > > python2.5.1 with errors like:
> > > >
> > > > C:\matplotlib\trunk\matplotlib\examples>c:\python25\python.exe
> > > > embedding_in_wx4.
> > > > py
> > > > embedding_in_wx4.py:24: DeprecationWarning: The wxPython
> > > compatibility
> > > > package i
> > > > s no longer automatically generated or actively maintained.  Please
> > > > switch to th
> > > > e wx package as soon as possible.
> > > >   from wxPython.wx import *
> > > >
> > > > Thanks again for the help!
> > > >
> > > > William
> > > >
> > > > On 8/1/07, *John Hunter* < [EMAIL PROTECTED]  > > >
> > > > > wrote:
> > > >
> > > > On 8/1/07, william ratcliff < [EMAIL PROTECTED]
> > > > > wrote:
> > > > > from matplotlib.mathtext import math_parse_s_ft2font
> > > > >   File
> > > > > "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> > > > > line 1182, in  > > > > dule>
> > > > > class Vlist(List):
> > > > >   File
> > > > > "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> > > > > line 1189, in Vli
> > > > > st
> > > > > def vpack(self, h=0., m='additional', l=float('inf')):
> > > > > ValueError: invalid literal for float(): inf
> > > >
> > > > It's not clear to me why you should be hitting mathtext at all,
> > > since
> > > > the wxcursor_demo.py does not use it, as far as I can
> > > tell.  Michael,
> > > > would any of your earlier work caused him to get into mathtext
> > > > inapproriately?  You may need to revert a little farther,
> > > William, eg
> > > > to r3608 while we get this sorted out.
> > > >
> > > > JDH
> > > >
> > > >
> > >
> > >
> >
>
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Re: [Matplotlib-users] question about building from source on windows

[william ratcliff]

Ok--I reverted to head and it fixed the undefined references error and
everything seems to build normally.   But, if I try to run the
embedding_in_wx4.py example, it crashes python 2.5.1

If I install from the .msi then things do work in python 2.5.1, so it must
be something with the build.

I also tried to just start python from the command window, then ran:
import numpy as N
x=N.array([1,2,3])
from pylab import *
plot(x,x)
show()

The plot command generates a Line2D instance,
but the show() command kills python in the same way that the embedding
example does.  In the embedding example, I notice that the CanvasFrame is
generated before the crash.


Cheers,
William


On 8/1/07, william ratcliff <[EMAIL PROTECTED]> wrote:
>
> Let me try this.
>
> On 8/1/07, Michael Droettboom <[EMAIL PROTECTED]> wrote:
> >
> > I'm going to summarize, just to make sure I have everything straight.
> >
> > 1) HEAD doesn't build (you get lots of "undefined reference to
> > `_imp__FT_Done_FreeType'")
> > 2) revision 3645 (yesterday before my setup.py changes), builds, but you
> > got the float('inf') error (which is now fixed)
> > 3) much earlier revisions (3608) have other issues (which seem to be
> > related to out-of-date wxPython code)
> >
> > I have just committed a possible fix for 1).  You may want to try
> > updating to HEAD and building that.
> >
> > If that doesn't work for you, I'm worried about things getting out of
> > hand and annoying a lot of people with my (well intentioned) setup.py
> > changes yesterday.  If that's the case, I will revert my build changes
> > until I have a chance to sit in front of a Windows box and figure out
> > what's really going wrong.
> >
> > Apologies all around,
> > Mike
> >
> > william ratcliff wrote:
> > > 3608 also runs into problems of linking with the freetype libraries.
> > > Some much older versions (say in the 3500s) compile, but still crash
> > > python2.5.1 with errors like:
> > >
> > > C:\matplotlib\trunk\matplotlib\examples>c:\python25\python.exe
> > > embedding_in_wx4.
> > > py
> > > embedding_in_wx4.py:24: DeprecationWarning: The wxPython compatibility
> > > package i
> > > s no longer automatically generated or actively maintained.  Please
> > > switch to th
> > > e wx package as soon as possible.
> > >   from wxPython.wx import *
> > >
> > > Thanks again for the help!
> > >
> > > William
> > >
> > > On 8/1/07, *John Hunter* <[EMAIL PROTECTED]  > >
> > > > wrote:
> > >
> > > On 8/1/07, william ratcliff < [EMAIL PROTECTED]
> > > > wrote:
> > > > from matplotlib.mathtext import math_parse_s_ft2font
> > > >   File
> > > > "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> > > > line 1182, in  > > > dule>
> > > > class Vlist(List):
> > > >   File
> > > > "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> > > > line 1189, in Vli
> > > > st
> > > > def vpack(self, h=0., m='additional', l=float('inf')):
> > > > ValueError: invalid literal for float(): inf
> > >
> > > It's not clear to me why you should be hitting mathtext at all,
> > since
> > > the wxcursor_demo.py does not use it, as far as I can
> > tell.  Michael,
> > > would any of your earlier work caused him to get into mathtext
> > > inapproriately?  You may need to revert a little farther, William,
> > eg
> > > to r3608 while we get this sorted out.
> > >
> > > JDH
> > >
> > >
> >
> >
>
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Re: [Matplotlib-users] question about building from source on windows

[william ratcliff]

Let me try this.

On 8/1/07, Michael Droettboom <[EMAIL PROTECTED]> wrote:
>
> I'm going to summarize, just to make sure I have everything straight.
>
> 1) HEAD doesn't build (you get lots of "undefined reference to
> `_imp__FT_Done_FreeType'")
> 2) revision 3645 (yesterday before my setup.py changes), builds, but you
> got the float('inf') error (which is now fixed)
> 3) much earlier revisions (3608) have other issues (which seem to be
> related to out-of-date wxPython code)
>
> I have just committed a possible fix for 1).  You may want to try
> updating to HEAD and building that.
>
> If that doesn't work for you, I'm worried about things getting out of
> hand and annoying a lot of people with my (well intentioned) setup.py
> changes yesterday.  If that's the case, I will revert my build changes
> until I have a chance to sit in front of a Windows box and figure out
> what's really going wrong.
>
> Apologies all around,
> Mike
>
> william ratcliff wrote:
> > 3608 also runs into problems of linking with the freetype libraries.
> > Some much older versions (say in the 3500s) compile, but still crash
> > python2.5.1 with errors like:
> >
> > C:\matplotlib\trunk\matplotlib\examples>c:\python25\python.exe
> > embedding_in_wx4.
> > py
> > embedding_in_wx4.py:24: DeprecationWarning: The wxPython compatibility
> > package i
> > s no longer automatically generated or actively maintained.  Please
> > switch to th
> > e wx package as soon as possible.
> >   from wxPython.wx import *
> >
> > Thanks again for the help!
> >
> > William
> >
> > On 8/1/07, *John Hunter* <[EMAIL PROTECTED] 
> > > wrote:
> >
> > On 8/1/07, william ratcliff < [EMAIL PROTECTED]
> > > wrote:
> > > from matplotlib.mathtext import math_parse_s_ft2font
> > >   File
> > > "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> > > line 1182, in  > > dule>
> > > class Vlist(List):
> > >   File
> > > "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> > > line 1189, in Vli
> > > st
> > > def vpack(self, h=0., m='additional', l=float('inf')):
> > > ValueError: invalid literal for float(): inf
> >
> > It's not clear to me why you should be hitting mathtext at all,
> since
> > the wxcursor_demo.py does not use it, as far as I can
> tell.  Michael,
> > would any of your earlier work caused him to get into mathtext
> > inapproriately?  You may need to revert a little farther, William,
> eg
> > to r3608 while we get this sorted out.
> >
> > JDH
> >
> >
>
>
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Re: [Matplotlib-users] question about building from source on windows

[william ratcliff]

I run from the command line.  Essentially, it just goes poof.  There is no
output--it generates an error report (as usual in windows)--but nothing pops
out that I can understand...

Cheers,
William

On 8/1/07, Michael Droettboom <[EMAIL PROTECTED]> wrote:
>
> Do you get any output (e.g. a traceback) or it just goes poof?  (You may
> need to run it from the command line if you aren't already).
>
> Cheers,
> Mike
>
> william ratcliff wrote:
> > Now, it no longer gives rise to the previous error, but python crashes
> > when I run the embedding_in_wx4.py example.
> >
> > William
> >
> > On 8/1/07, *John Hunter* <[EMAIL PROTECTED]
> > > wrote:
> >
> > On 8/1/07, Michael Droettboom < [EMAIL PROTECTED]
> > > wrote:
> >
> > > >> "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> > > >> line 1189, in Vli
> > > >> st
> > > >> def vpack(self, h=0., m='additional', l=float('inf')):
> > > >> ValueError: invalid literal for float(): inf
> >
> > > I'm not opposed to importing mathtext on demand only, but that
> > would be new.
> >
> > I see, it wasn't clear to me on my first look that the bug was
> > triggered at module load time.  I had assumed the bug was triggered
> by
> > *using* mathtext.  Since you seem to have found the fix (numpy.inf)
> > I'm happy to leave it as is.
> >
> > JDH
> >
> >
>
>
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Re: [Matplotlib-users] question about building from source on windows

[william ratcliff]

Now, it no longer gives rise to the previous error, but python crashes when
I run the embedding_in_wx4.py example.

William

On 8/1/07, John Hunter <[EMAIL PROTECTED]> wrote:
>
> On 8/1/07, Michael Droettboom <[EMAIL PROTECTED]> wrote:
>
> > >> "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> > >> line 1189, in Vli
> > >> st
> > >> def vpack(self, h=0., m='additional', l=float('inf')):
> > >> ValueError: invalid literal for float(): inf
>
> > I'm not opposed to importing mathtext on demand only, but that would be
> new.
>
> I see, it wasn't clear to me on my first look that the bug was
> triggered at module load time.  I had assumed the bug was triggered by
> *using* mathtext.  Since you seem to have found the fix (numpy.inf)
> I'm happy to leave it as is.
>
> JDH
>
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Re: [Matplotlib-users] question about building from source on windows

[Michael Droettboom]

I'm going to summarize, just to make sure I have everything straight.

1) HEAD doesn't build (you get lots of "undefined reference to 
`_imp__FT_Done_FreeType'")
2) revision 3645 (yesterday before my setup.py changes), builds, but you 
got the float('inf') error (which is now fixed)
3) much earlier revisions (3608) have other issues (which seem to be 
related to out-of-date wxPython code)

I have just committed a possible fix for 1).  You may want to try 
updating to HEAD and building that.

If that doesn't work for you, I'm worried about things getting out of 
hand and annoying a lot of people with my (well intentioned) setup.py 
changes yesterday.  If that's the case, I will revert my build changes 
until I have a chance to sit in front of a Windows box and figure out 
what's really going wrong.

Apologies all around,
Mike

william ratcliff wrote:
> 3608 also runs into problems of linking with the freetype libraries.  
> Some much older versions (say in the 3500s) compile, but still crash 
> python2.5.1 with errors like:
>
> C:\matplotlib\trunk\matplotlib\examples>c:\python25\python.exe 
> embedding_in_wx4.
> py
> embedding_in_wx4.py:24: DeprecationWarning: The wxPython compatibility 
> package i
> s no longer automatically generated or actively maintained.  Please 
> switch to th
> e wx package as soon as possible.
>   from wxPython.wx import *
>
> Thanks again for the help!
>
> William
>
> On 8/1/07, *John Hunter* <[EMAIL PROTECTED]  
> > wrote:
>
> On 8/1/07, william ratcliff < [EMAIL PROTECTED]
> > wrote:
> > from matplotlib.mathtext import math_parse_s_ft2font
> >   File
> > "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> > line 1182, in  > dule>
> > class Vlist(List):
> >   File
> > "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> > line 1189, in Vli
> > st
> > def vpack(self, h=0., m='additional', l=float('inf')):
> > ValueError: invalid literal for float(): inf
>
> It's not clear to me why you should be hitting mathtext at all, since
> the wxcursor_demo.py does not use it, as far as I can tell.  Michael,
> would any of your earlier work caused him to get into mathtext
> inapproriately?  You may need to revert a little farther, William, eg
> to r3608 while we get this sorted out.
>
> JDH
>
>


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Re: [Matplotlib-users] question about building from source on windows

[william ratcliff]

3608 also runs into problems of linking with the freetype libraries.  Some
much older versions (say in the 3500s) compile, but still crash
python2.5.1with errors like:

C:\matplotlib\trunk\matplotlib\examples>c:\python25\python.exe
embedding_in_wx4.
py
embedding_in_wx4.py:24: DeprecationWarning: The wxPython compatibility
package i
s no longer automatically generated or actively maintained.  Please switch
to th
e wx package as soon as possible.
  from wxPython.wx import *

Thanks again for the help!

William

On 8/1/07, John Hunter <[EMAIL PROTECTED]> wrote:
>
> On 8/1/07, william ratcliff <[EMAIL PROTECTED]> wrote:
> > from matplotlib.mathtext import math_parse_s_ft2font
> >   File
> > "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> > line 1182, in  > dule>
> > class Vlist(List):
> >   File
> > "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> > line 1189, in Vli
> > st
> > def vpack(self, h=0., m='additional', l=float('inf')):
> > ValueError: invalid literal for float(): inf
>
> It's not clear to me why you should be hitting mathtext at all, since
> the wxcursor_demo.py does not use it, as far as I can tell.  Michael,
> would any of your earlier work caused him to get into mathtext
> inapproriately?  You may need to revert a little farther, William, eg
> to r3608 while we get this sorted out.
>
> JDH
>
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Re: [Matplotlib-users] question about building from source on windows

[Michael Droettboom]

John Hunter wrote:
> On 8/1/07, william ratcliff <[EMAIL PROTECTED]> wrote:
>   
>> from matplotlib.mathtext import math_parse_s_ft2font
>>   File
>> "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
>> line 1182, in > dule>
>> class Vlist(List):
>>   File
>> "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
>> line 1189, in Vli
>> st
>> def vpack(self, h=0., m='additional', l=float('inf')):
>> ValueError: invalid literal for float(): inf
>> 
>
> It's not clear to me why you should be hitting mathtext at all, since
> the wxcursor_demo.py does not use it, as far as I can tell.  Michael,
> would any of your earlier work caused him to get into mathtext
> inapproriately?  
The call to "float('inf')", since it's in a default argument spec, will 
get called at import time.  Most (maybe all) of the backends import 
mathtext unconditionally, so this will get run whether mathtext is 
used/called or not.

I'm not opposed to importing mathtext on demand only, but that would be new.

Cheers,
Mike

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Re: [Matplotlib-users] question about building from source on windows

[John Hunter]

On 8/1/07, Michael Droettboom <[EMAIL PROTECTED]> wrote:

> >> "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> >> line 1189, in Vli
> >> st
> >> def vpack(self, h=0., m='additional', l=float('inf')):
> >> ValueError: invalid literal for float(): inf

> I'm not opposed to importing mathtext on demand only, but that would be new.

I see, it wasn't clear to me on my first look that the bug was
triggered at module load time.  I had assumed the bug was triggered by
*using* mathtext.  Since you seem to have found the fix (numpy.inf)
I'm happy to leave it as is.

JDH

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Re: [Matplotlib-users] question about building from source on windows

[Michael Droettboom]

Do you get any output (e.g. a traceback) or it just goes poof?  (You may 
need to run it from the command line if you aren't already).

Cheers,
Mike

william ratcliff wrote:
> Now, it no longer gives rise to the previous error, but python crashes 
> when I run the embedding_in_wx4.py example. 
>
> William
>
> On 8/1/07, *John Hunter* <[EMAIL PROTECTED] 
> > wrote:
>
> On 8/1/07, Michael Droettboom < [EMAIL PROTECTED]
> > wrote:
>
> > >> "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> > >> line 1189, in Vli
> > >> st
> > >> def vpack(self, h=0., m='additional', l=float('inf')):
> > >> ValueError: invalid literal for float(): inf
>
> > I'm not opposed to importing mathtext on demand only, but that
> would be new.
>
> I see, it wasn't clear to me on my first look that the bug was
> triggered at module load time.  I had assumed the bug was triggered by
> *using* mathtext.  Since you seem to have found the fix (numpy.inf)
> I'm happy to leave it as is.
>
> JDH
>
>


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Re: [Matplotlib-users] question about building from source on windows

[John Hunter]

On 8/1/07, william ratcliff <[EMAIL PROTECTED]> wrote:
> from matplotlib.mathtext import math_parse_s_ft2font
>   File
> "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> line 1182, in  dule>
> class Vlist(List):
>   File
> "c:\python25\Lib\site-packages\matplotlib\mathtext.py",
> line 1189, in Vli
> st
> def vpack(self, h=0., m='additional', l=float('inf')):
> ValueError: invalid literal for float(): inf

It's not clear to me why you should be hitting mathtext at all, since
the wxcursor_demo.py does not use it, as far as I can tell.  Michael,
would any of your earlier work caused him to get into mathtext
inapproriately?  You may need to revert a little farther, William, eg
to r3608 while we get this sorted out.

JDH

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Re: [Matplotlib-users] question about building from source on windows

[Michael Droettboom]

william ratcliff wrote:
> If I revert back to 3645, it builds and I can install it--but then I 
> run into
> the original error I was having where I couldn't run the demos:
>
> File "c:\python25\Lib\site-packages\matplotlib\mathtext.py", line 
> 1189, in Vli
> st
> def vpack(self, h=0., m='additional', l=float('inf')):
> ValueError: invalid literal for float(): inf
Did you report that error earlier?  Sorry I missed it.

It turns out that "float('inf')" is not portable to Windows.  See here: 
http://www.python.org/dev/peps/pep-0754/

I just committed a possible fix using numpy.inf instead.  Please update

   lib/matplotlib/mathtext.py

and let me know if this works (again, sorry I don't have Windows to test 
on here.)

In the meantime, I'll try to track down why the build is broken on trunk 
for you.

Cheers,
Mike

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Re: [Matplotlib-users] question about building from source on windows

[william ratcliff]

If I revert back to 3645, it builds and I can install it--but then I run
into
the original error I was having where I couldn't run the demos:


C:\matplotlib\trunk\matplotlib\examples>c:\python25\python.exe
wxcursor_demo.py
Traceback (most recent call last):
  File "wxcursor_demo.py", line 6, in 
from matplotlib.backends.backend_wxagg import FigureCanvasWxAgg as
FigureCan
vas
  File "c:\python25\Lib\site-packages\matplotlib\backends\backend_wxagg.py",
lin
e 24, in 
from backend_agg import FigureCanvasAgg
  File "c:\python25\Lib\site-packages\matplotlib\backends\backend_agg.py",
line
86, in 
from matplotlib.mathtext import math_parse_s_ft2font
  File "c:\python25\Lib\site-packages\matplotlib\mathtext.py", line 1182, in

class Vlist(List):
  File "c:\python25\Lib\site-packages\matplotlib\mathtext.py", line 1189, in
Vli
st
def vpack(self, h=0., m='additional', l=float('inf')):
ValueError: invalid literal for float(): inf

Thanks,
William

On 8/1/07, Michael Droettboom <[EMAIL PROTECTED]> wrote:
>
> william ratcliff wrote:
> >
> > Thanks!  I think that:
> > "found, but unknown version" would be a bit better.
> I'll fix that.
> >   So, it means that it found libpng and freetype.  It says that it
> > didn't vind wx-python--but is that only relevant for versions of
> > wxpython below 2.8
> Yes, the message should be fixed.  It won't attempt to build the wxAgg
> extension (which isn't needed) in your case anyway.
> >   I am running C:\Python25\Lib\site-packages\wx-2.8-msw-unicode, and
> > there is no wx-config directory associated with it.
> That probably just means you don't have the development headers
> installed, which is not necessary in this case.
> >
> > Also, is there a reason why the compilation is being done with the
> > cygwin flag?
> It looks like it's using the -mno-cygwin flag, which is how mingw32 is
> normally selected.
>
> BTW, any luck when you reverted to an earlier SVN version?  (3645)
>
> Cheers,
> Mike
> >
> > Thanks,
> > William
> >
> > On 8/1/07, *Michael Droettboom* <[EMAIL PROTECTED]
> > > wrote:
> >
> > william ratcliff wrote:
> > > A bit strange:
> > >
> > > gcc -mno-cygwin -O2 -Wall -Wstrict-prototypes
> -Iwin32_static\include
> > > -I. -Ic:\python25\include -Ic:\python25\PC -c src/ft2font.cpp -o
> > > build\temp.win32- 2.5\Release\src\ft2font.o
> > > g++ -mno-cygwin -shared build\temp.win32-
> 2.5\Release\src\ft2font.o
> > > build\temp.win32-2.5\Release\src\mplutils.o
> > > build\temp.win32-2.5\Release\cxx\cxxsupport.o
> > > build\temp.win32- 2.5\Release\cxx\cxx_extensions.o
> > > build\temp.win32-2.5\Release\cxx\indirectpythoninterface.o
> > > build\temp.win32-2.5\Release\cxx\cxxextensions.o-Lwin32_static\lib
> > > -Lc:\python25\libs -Lc:\python25\PCBuild -lfreetype -lz -lpython25
> > > -lmsvcr71 -o build\lib.win32-2.5\matplotlib\ft2font.pyd
> > > Found executable c:\python24\enthought\mingw\bin\g++.exe
> > >
> > build\temp.win32-2.5\Release\src\ft2font.o:ft2font.cpp:
> (.text+0x317):
> > > undefined reference to `_imp__FT_Done_FreeType'
> > These _imp__ things have something to do with how mingw32 links with
> > libraries.  I'm afraid I'm getting a little out of my element
> > there.  If
> > you want to rule out any unintentional consequences of my very
> recent
> > setup.py changes (which were primarily to give more information,
> > rather
> > than change how things work), you can revert SVN a bit "svn -r
> > 3645" and
> > see if things are any different.  Please let me know how that goes
> > either way.
> > > But, I noticed in the beginning:
> > >
> > >
> >
> 
> > > BUILDING MATPLOTLIB
> > > matplotlib: 0.90.1 (r3634)
> > > python: 2.5.1 (r251:54863, Apr 18 2007,
> > 08:51:08) [MSC
> > > v.1310 32 bit (Intel)]
> > >   platform: win32
> > >Windows version: (5, 1, 2600, 2, 'Service Pack 2')
> > >
> > > REQUIRED DEPENDENCIES
> > > Setting mingw32 as default compiler for nt.
> > >  numpy: 1.0.4.dev3937
> > >  freetype2: unknown (no pkg-config)
> > >
> > > OPTIONAL DEPENDENCIES
> > >   Gtk+: no
> > > * Building for Gtk+ requires pygtk; you
> must
> > > be able
> > > * to "import gtk" in your build/install
> > > environment
> > >Tkinter: Tkinter: 50704, Tk: 8.4, Tcl: 8.4
> > >   wxPython: no
> > > *  WXAgg's accelerator requires
> > `wx-config'.  The
> > > * `wx-config' executable could not be
> > located
> > > in any
> > > * directory of the PATH environment
> > variable.
> >

Re: [Matplotlib-users] question about building from source on windows

[Michael Droettboom]

william ratcliff wrote:
>
> Thanks!  I think that:
> "found, but unknown version" would be a bit better.
I'll fix that.
>   So, it means that it found libpng and freetype.  It says that it 
> didn't vind wx-python--but is that only relevant for versions of 
> wxpython below 2.8
Yes, the message should be fixed.  It won't attempt to build the wxAgg 
extension (which isn't needed) in your case anyway.
>   I am running C:\Python25\Lib\site-packages\wx-2.8-msw-unicode, and 
> there is no wx-config directory associated with it.
That probably just means you don't have the development headers 
installed, which is not necessary in this case.
>
> Also, is there a reason why the compilation is being done with the 
> cygwin flag?
It looks like it's using the -mno-cygwin flag, which is how mingw32 is 
normally selected.

BTW, any luck when you reverted to an earlier SVN version?  (3645)

Cheers,
Mike
>
> Thanks,
> William
>
> On 8/1/07, *Michael Droettboom* <[EMAIL PROTECTED] 
> > wrote:
>
> william ratcliff wrote:
> > A bit strange:
> >
> > gcc -mno-cygwin -O2 -Wall -Wstrict-prototypes -Iwin32_static\include
> > -I. -Ic:\python25\include -Ic:\python25\PC -c src/ft2font.cpp -o
> > build\temp.win32- 2.5\Release\src\ft2font.o
> > g++ -mno-cygwin -shared build\temp.win32- 2.5\Release\src\ft2font.o
> > build\temp.win32-2.5\Release\src\mplutils.o
> > build\temp.win32-2.5\Release\cxx\cxxsupport.o
> > build\temp.win32- 2.5\Release\cxx\cxx_extensions.o
> > build\temp.win32-2.5\Release\cxx\indirectpythoninterface.o
> > build\temp.win32-2.5\Release\cxx\cxxextensions.o -Lwin32_static\lib
> > -Lc:\python25\libs -Lc:\python25\PCBuild -lfreetype -lz -lpython25
> > -lmsvcr71 -o build\lib.win32-2.5\matplotlib\ft2font.pyd
> > Found executable c:\python24\enthought\mingw\bin\g++.exe
> >
> build\temp.win32-2.5\Release\src\ft2font.o:ft2font.cpp:(.text+0x317):
> > undefined reference to `_imp__FT_Done_FreeType'
> These _imp__ things have something to do with how mingw32 links with
> libraries.  I'm afraid I'm getting a little out of my element
> there.  If
> you want to rule out any unintentional consequences of my very recent
> setup.py changes (which were primarily to give more information,
> rather
> than change how things work), you can revert SVN a bit "svn -r
> 3645" and
> see if things are any different.  Please let me know how that goes
> either way.
> > But, I noticed in the beginning:
> >
> >
> 
> 
> > BUILDING MATPLOTLIB
> > matplotlib: 0.90.1 (r3634)
> > python: 2.5.1 (r251:54863, Apr 18 2007,
> 08:51:08) [MSC
> > v.1310 32 bit (Intel)]
> >   platform: win32
> >Windows version: (5, 1, 2600, 2, 'Service Pack 2')
> >
> > REQUIRED DEPENDENCIES
> > Setting mingw32 as default compiler for nt.
> >  numpy: 1.0.4.dev3937
> >  freetype2: unknown (no pkg-config)
> >
> > OPTIONAL DEPENDENCIES
> >   Gtk+: no
> > * Building for Gtk+ requires pygtk; you must
> > be able
> > * to "import gtk" in your build/install
> > environment
> >Tkinter: Tkinter: 50704, Tk: 8.4, Tcl: 8.4
> >   wxPython: no
> > *  WXAgg's accelerator requires
> `wx-config'.  The
> > * `wx-config' executable could not be
> located
> > in any
> > * directory of the PATH environment
> variable.
> > If you
> > * want to build WXAgg, and wx-config is
> in some
> > * other location or has some other name,
> set the
> > * WX_CONFIG environment variable to the full
> > path of
> > * the executable like so:  export
> > WX_CONFIG=/usr/lib
> > * /wxPython-
> 2.6.1.0-gtk2-unicode/bin/wx-config
> > Qt: no
> >Qt4: no
> >  Cairo: no
> > libpng: unknown (no pkg-config)
> >
> > [Edit setup.cfg to suppress the above messages]
> >
> 
> 
> >
> > Does this mean that it's unable to find the win32_static
> directory?  I
> > have in in the matplotlibdirectory.
> No.  The line:
>
>freetype2: unknown (no pkg-config)
>
> indicates that the freetype2 headers were found, but it couldn't
> determine the version through pkg-config.  If it wasn't able to
> find it,
> it would hav said "freetype2: no".  On second glance, I admit 

Re: [Matplotlib-users] question about building from source on windows

[william ratcliff]

Thanks!  I think that:
"found, but unknown version" would be a bit better.  So, it means that it
found libpng and freetype.  It says that it didn't vind wx-python--but is
that only relevant for versions of wxpython below 2.8  I am running
C:\Python25\Lib\site-packages\wx-2.8-msw-unicode, and there is no wx-config
directory associated with it.

Also, is there a reason why the compilation is being done with the cygwin
flag?

Thanks,
William

On 8/1/07, Michael Droettboom <[EMAIL PROTECTED]> wrote:
>
> william ratcliff wrote:
> > A bit strange:
> >
> > gcc -mno-cygwin -O2 -Wall -Wstrict-prototypes -Iwin32_static\include
> > -I. -Ic:\python25\include -Ic:\python25\PC -c src/ft2font.cpp -o
> > build\temp.win32-2.5\Release\src\ft2font.o
> > g++ -mno-cygwin -shared build\temp.win32- 2.5\Release\src\ft2font.o
> > build\temp.win32-2.5\Release\src\mplutils.o
> > build\temp.win32-2.5\Release\cxx\cxxsupport.o
> > build\temp.win32-2.5\Release\cxx\cxx_extensions.o
> > build\temp.win32-2.5\Release\cxx\indirectpythoninterface.o
> > build\temp.win32-2.5\Release\cxx\cxxextensions.o -Lwin32_static\lib
> > -Lc:\python25\libs -Lc:\python25\PCBuild -lfreetype -lz -lpython25
> > -lmsvcr71 -o build\lib.win32-2.5\matplotlib\ft2font.pyd
> > Found executable c:\python24\enthought\mingw\bin\g++.exe
> > build\temp.win32-2.5\Release\src\ft2font.o:ft2font.cpp:(.text+0x317):
> > undefined reference to `_imp__FT_Done_FreeType'
> These _imp__ things have something to do with how mingw32 links with
> libraries.  I'm afraid I'm getting a little out of my element there.  If
> you want to rule out any unintentional consequences of my very recent
> setup.py changes (which were primarily to give more information, rather
> than change how things work), you can revert SVN a bit "svn -r 3645" and
> see if things are any different.  Please let me know how that goes
> either way.
> > But, I noticed in the beginning:
> >
> >
> 
> > BUILDING MATPLOTLIB
> > matplotlib: 0.90.1 (r3634)
> > python: 2.5.1 (r251:54863, Apr 18 2007, 08:51:08) [MSC
> > v.1310 32 bit (Intel)]
> >   platform: win32
> >Windows version: (5, 1, 2600, 2, 'Service Pack 2')
> >
> > REQUIRED DEPENDENCIES
> > Setting mingw32 as default compiler for nt.
> >  numpy: 1.0.4.dev3937
> >  freetype2: unknown (no pkg-config)
> >
> > OPTIONAL DEPENDENCIES
> >   Gtk+: no
> > * Building for Gtk+ requires pygtk; you must
> > be able
> > * to "import gtk" in your build/install
> > environment
> >Tkinter: Tkinter: 50704, Tk: 8.4, Tcl: 8.4
> >   wxPython: no
> > *  WXAgg's accelerator requires
> `wx-config'.  The
> > * `wx-config' executable could not be located
> > in any
> > * directory of the PATH environment variable.
> > If you
> > * want to build WXAgg, and wx-config is in some
> > * other location or has some other name, set the
> > * WX_CONFIG environment variable to the full
> > path of
> > * the executable like so:  export
> > WX_CONFIG=/usr/lib
> > * /wxPython-2.6.1.0-gtk2-unicode/bin/wx-config
> > Qt: no
> >Qt4: no
> >  Cairo: no
> > libpng: unknown (no pkg-config)
> >
> > [Edit setup.cfg to suppress the above messages]
> >
> 
> >
> > Does this mean that it's unable to find the win32_static directory?  I
> > have in in the matplotlibdirectory.
> No.  The line:
>
>freetype2: unknown (no pkg-config)
>
> indicates that the freetype2 headers were found, but it couldn't
> determine the version through pkg-config.  If it wasn't able to find it,
> it would hav said "freetype2: no".  On second glance, I admit that
> message might be confusing.  Do you think "found, but unknown version"
> would be better?
> >   I think I'm confused on something:  In the win32 directory, there
> > are instructions for building under cygwin--but is it necessary to
> > build, or does matplotlib just require the library files and their
> > headers, which it should be able to find in the win32_static directory?
> I'll defer on that question to someone with more matplotlib + Windows
> experience.
>
> Cheers,
> Mike
>
> >
> > Cheers,
> > William
> >
> > On 8/1/07, *Michael Droettboom* <[EMAIL PROTECTED]
> > > wrote:
> >
> > It looks like I screwed up the order of libraries between
> > freetype2 and
> > zlib.  (It was updated to use pkg-config to determine the freetype
> > dependencies where possible, but that inadvertently broke Windows.)
> >
> > Please 'svn up' and try again.

Re: [Matplotlib-users] question about building from source on windows

[Michael Droettboom]

william ratcliff wrote:
> A bit strange:
>
> gcc -mno-cygwin -O2 -Wall -Wstrict-prototypes -Iwin32_static\include 
> -I. -Ic:\python25\include -Ic:\python25\PC -c src/ft2font.cpp -o 
> build\temp.win32-2.5\Release\src\ft2font.o
> g++ -mno-cygwin -shared build\temp.win32- 2.5\Release\src\ft2font.o 
> build\temp.win32-2.5\Release\src\mplutils.o 
> build\temp.win32-2.5\Release\cxx\cxxsupport.o 
> build\temp.win32-2.5\Release\cxx\cxx_extensions.o 
> build\temp.win32-2.5\Release\cxx\indirectpythoninterface.o 
> build\temp.win32-2.5\Release\cxx\cxxextensions.o -Lwin32_static\lib 
> -Lc:\python25\libs -Lc:\python25\PCBuild -lfreetype -lz -lpython25 
> -lmsvcr71 -o build\lib.win32-2.5\matplotlib\ft2font.pyd
> Found executable c:\python24\enthought\mingw\bin\g++.exe
> build\temp.win32-2.5\Release\src\ft2font.o:ft2font.cpp:(.text+0x317): 
> undefined reference to `_imp__FT_Done_FreeType'
These _imp__ things have something to do with how mingw32 links with 
libraries.  I'm afraid I'm getting a little out of my element there.  If 
you want to rule out any unintentional consequences of my very recent 
setup.py changes (which were primarily to give more information, rather 
than change how things work), you can revert SVN a bit "svn -r 3645" and 
see if things are any different.  Please let me know how that goes 
either way.
> But, I noticed in the beginning:
>
> 
> BUILDING MATPLOTLIB
> matplotlib: 0.90.1 (r3634)
> python: 2.5.1 (r251:54863, Apr 18 2007, 08:51:08) [MSC
> v.1310 32 bit (Intel)]
>   platform: win32
>Windows version: (5, 1, 2600, 2, 'Service Pack 2')
>
> REQUIRED DEPENDENCIES
> Setting mingw32 as default compiler for nt.
>  numpy: 1.0.4.dev3937
>  freetype2: unknown (no pkg-config)
>
> OPTIONAL DEPENDENCIES
>   Gtk+: no
> * Building for Gtk+ requires pygtk; you must 
> be able
> * to "import gtk" in your build/install 
> environment
>Tkinter: Tkinter: 50704, Tk: 8.4, Tcl: 8.4
>   wxPython: no
> *  WXAgg's accelerator requires `wx-config'.  The
> * `wx-config' executable could not be located 
> in any
> * directory of the PATH environment variable. 
> If you
> * want to build WXAgg, and wx-config is in some
> * other location or has some other name, set the
> * WX_CONFIG environment variable to the full 
> path of
> * the executable like so:  export 
> WX_CONFIG=/usr/lib
> * /wxPython-2.6.1.0-gtk2-unicode/bin/wx-config
> Qt: no
>Qt4: no
>  Cairo: no
> libpng: unknown (no pkg-config)
>
> [Edit setup.cfg to suppress the above messages]
> 
>
> Does this mean that it's unable to find the win32_static directory?  I 
> have in in the matplotlibdirectory.
No.  The line:

   freetype2: unknown (no pkg-config)

indicates that the freetype2 headers were found, but it couldn't 
determine the version through pkg-config.  If it wasn't able to find it, 
it would hav said "freetype2: no".  On second glance, I admit that 
message might be confusing.  Do you think "found, but unknown version" 
would be better?
>   I think I'm confused on something:  In the win32 directory, there 
> are instructions for building under cygwin--but is it necessary to 
> build, or does matplotlib just require the library files and their 
> headers, which it should be able to find in the win32_static directory?
I'll defer on that question to someone with more matplotlib + Windows 
experience.

Cheers,
Mike

>
> Cheers,
> William
>
> On 8/1/07, *Michael Droettboom* <[EMAIL PROTECTED] 
> > wrote:
>
> It looks like I screwed up the order of libraries between
> freetype2 and
> zlib.  (It was updated to use pkg-config to determine the freetype
> dependencies where possible, but that inadvertently broke Windows.)
>
> Please 'svn up' and try again.  Sorry for the inconvience.
>
> Cheers,
> Mike
>
> william ratcliff wrote:
> > Is it possible that the freetype library in win32_static is out
> of date?
> >
> > Cheers,
> > William
> >
> > On 8/1/07, *william ratcliff* < [EMAIL PROTECTED]
> 
> >  >> wrote:
> >
> > Ok--that did fix the expandtabs bug!  I can now see where
> there is
> > a failure in the build:
> >
> > Found executable C:\Python24\Enthought\MingW\bin\g++.exe
> > win32_static\lib/libfreetype.a(ftgzip.o):ftgzip.c:(.text+0x160):
> 

Re: [Matplotlib-users] question about building from source on windows

[william ratcliff]

A bit strange:

gcc -mno-cygwin -O2 -Wall -Wstrict-prototypes -Iwin32_static\include -I.
-Ic:\python25\include -Ic:\python25\PC -c src/ft2font.cpp -o
build\temp.win32-2.5\Release\src\ft2font.o
g++ -mno-cygwin -shared
build\temp.win32-2.5\Release\src\ft2font.obuild\temp.win32-
2.5\Release\src\mplutils.o
build\temp.win32-2.5\Release\cxx\cxxsupport.obuild\temp.win32-
2.5\Release\cxx\cxx_extensions.o build\temp.win32-
2.5\Release\cxx\indirectpythoninterface.o build\temp.win32-
2.5\Release\cxx\cxxextensions.o -Lwin32_static\lib -Lc:\python25\libs
-Lc:\python25\PCBuild -lfreetype -lz -lpython25 -lmsvcr71 -o
build\lib.win32-2.5\matplotlib\ft2font.pyd
Found executable c:\python24\enthought\mingw\bin\g++.exe
build\temp.win32-2.5\Release\src\ft2font.o:ft2font.cpp:(.text+0x317):
undefined reference to `_imp__FT_Done_FreeType'
build\temp.win32-2.5\Release\src\ft2font.o:ft2font.cpp:(.text+0x3e7):
undefined reference to `_imp__FT_Done_FreeType'
build\temp.win32-2.5\Release\src\ft2font.o:ft2font.cpp:(.text+0x4b7):
undefined reference to `_imp__FT_Done_FreeType'
build\temp.win32-2.5\Release\src\ft2font.o:ft2font.cpp:(.text+0x14da):
undefined reference to `_imp__FT_Get_PS_Font_Info'
build\temp.win32-2.5\Release\src\ft2font.o:ft2font.cpp:(.text+0x2520):
undefined reference to `_imp__FT_Get_Name_Index'
build\temp.win32-2.5\Release\src\ft2font.o:ft2font.cpp:(.text+0x29e8):
undefined reference to `_imp__FT_Get_Glyph_Name'
build\temp.win32-2.5\Release\src\ft2font.o:ft2font.cpp:(.text+0x4150):
undefined reference to `_imp__FT_Get_Kerning'
build\temp.win32-2.5\Release\src\ft2font.o:ft2font.cpp:(.text+0x45a7):
undefined
...

build\temp.win32-2.5\Release\src\ft2font.o:ft2font.cpp:(.text+0x18ba3):
undefined reference to `_imp__FT_Set_Char_Size'
build\temp.win32-2.5\Release\src\ft2font.o:ft2font.cpp:(.text+0x18d2e):
undefined reference to `_imp__FT_Get_Postscript_Name'
build\temp.win32-2.5\Release\src\ft2font.o:ft2font.cpp:(.text+0x1a86a):
undefined reference to `_imp__FT_New_Face'
build\temp.win32-2.5\Release\src\ft2font.o:ft2font.cpp:(.text+0x1aef3):
undefined reference to `_imp__FT_Set_Char_Size'
build\temp.win32-2.5\Release\src\ft2font.o:ft2font.cpp:(.text+0x1b07e):
undefined reference to `_imp__FT_Get_Postscript_Name'
collect2: ld returned 1 exit status
error: Command "g++ -mno-cygwin -shared build\temp.win32-
2.5\Release\src\ft2font.o
build\temp.win32-2.5\Release\src\mplutils.obuild\temp.win32-
2.5\Release\cxx\cxxsupport.o build\temp.win32-
2.5\Release\cxx\cxx_extensions.o build\temp.win32-
2.5\Release\cxx\indirectpythoninterface.o build\temp.win32-
2.5\Release\cxx\cxxextensions.o -Lwin32_static\lib -Lc:\python25\libs
-Lc:\python25\PCBuild -lfreetype -lz -lpython25 -lmsvcr71 -o
build\lib.win32-2.5\matplotlib\ft2font.pyd" failed with exit status 1


But, I noticed in the beginning:


BUILDING MATPLOTLIB
matplotlib: 0.90.1 (r3634)
python: 2.5.1 (r251:54863, Apr 18 2007, 08:51:08) [MSC
v.1310 32 bit (Intel)]
  platform: win32
   Windows version: (5, 1, 2600, 2, 'Service Pack 2')

REQUIRED DEPENDENCIES
Setting mingw32 as default compiler for nt.
 numpy: 1.0.4.dev3937
 freetype2: unknown (no pkg-config)

OPTIONAL DEPENDENCIES
  Gtk+: no
* Building for Gtk+ requires pygtk; you must be able
* to "import gtk" in your build/install environment
   Tkinter: Tkinter: 50704, Tk: 8.4, Tcl: 8.4
  wxPython: no
*  WXAgg's accelerator requires `wx-config'.  The
* `wx-config' executable could not be located in any
* directory of the PATH environment variable. If you
* want to build WXAgg, and wx-config is in some
* other location or has some other name, set the
* WX_CONFIG environment variable to the full path of
* the executable like so:  export WX_CONFIG=/usr/lib
* /wxPython-2.6.1.0-gtk2-unicode/bin/wx-config
Qt: no
   Qt4: no
 Cairo: no
libpng: unknown (no pkg-config)

[Edit setup.cfg to suppress the above messages]


Does this mean that it's unable to find the win32_static directory?  I have
in in the matplotlibdirectory.  I think I'm confused on something:  In the
win32 directory, there are instructions for building under cygwin--but is it
necessary to build, or does matplotlib just require the library files and
their headers, which it should be able to find in the win32_static
directory?

Cheers,
William

On 8/1/07, Michael Droettboom <[EMAIL PROTECTED]> wrote:
>
> It looks like I screwed up the order of libraries between freetype2 and
> zlib.  (It was

Re: [Matplotlib-users] question about building from source on windows

[Michael Droettboom]

It looks like I screwed up the order of libraries between freetype2 and 
zlib.  (It was updated to use pkg-config to determine the freetype 
dependencies where possible, but that inadvertently broke Windows.)

Please 'svn up' and try again.  Sorry for the inconvience.

Cheers,
Mike

william ratcliff wrote:
> Is it possible that the freetype library in win32_static is out of date?
>
> Cheers,
> William
>
> On 8/1/07, *william ratcliff* < [EMAIL PROTECTED] 
> > wrote:
>
> Ok--that did fix the expandtabs bug!  I can now see where there is
> a failure in the build:
>
> Found executable C:\Python24\Enthought\MingW\bin\g++.exe
> win32_static\lib/libfreetype.a(ftgzip.o):ftgzip.c:(.text+0x160):
> undefined refer
> ence to `inflateInit2_'
> win32_static\lib/libfreetype.a(ftgzip.o):ftgzip.c:(.text+0x1d7):
> undefined refer
> ence to `inflateEnd'
> win32_static\lib/libfreetype.a(ftgzip.o):ftgzip.c:(.text+0x522):
> undefined refer
> ence to `inflateReset'
> win32_static\lib/libfreetype.a(ftgzip.o):ftgzip.c:(.text+0x5e8):
> undefined refer
> ence to `inflate'
> collect2: ld returned 1 exit status
> error: Command "g++ -mno-cygwin -shared build\temp.win32-
> 2.5\Release\src\ft2font
> .o build\temp.win32-2.5\Release\src\mplutils.o
> build\temp.win32-2.5\Release\cxx\
> cxxsupport.o build\temp.win32-2.5\Release\cxx\cxx_extensions.o
> build\temp.win32-
> 2.5\Release\cxx\indirectpythoninterface.o
> build\temp.win32-2.5\Release\cxx\cxxex
> tensions.o -Lwin32_static\lib -Lc:\python25\libs
> -Lc:\python25\PCBuild -lz -lfre
> etype -lpython25 -lmsvcr71 -o
> build\lib.win32-2.5\matplotlib\ft2font.pyd" failed
>  with exit status 1
>
>
> suggestions?
>
> Thanks,
> William
>
>
> On 8/1/07, *Michael Droettboom* <[EMAIL PROTECTED]
> > wrote:
>
> That's my bad from my changes to setup.py yesterday.
>
> Please update from SVN and try again.
>
> Cheers,
> Mike
>
> william ratcliff wrote:
> > I tried the new setup.py script and found:
> >
> > C:\matplotlib\trunk\matplotlib>c:\python25\python.exe
> setup.py build
> > 
> 
>
> > BUILDING MATPLOTLIB
> > matplotlib: 0.90.1 (r3634)
> > python: 2.5.1 (r251:54863, Apr 18 2007,
> 08:51:08) [MSC
> > v.1310 32 bit (Intel)]
> >   platform: win32
> > Traceback (most recent call last):
> >   File "setup.py", line 122, in 
> > print_status('Windows version', sys.getwindowsversion())
> >   File "C:\matplotlib\trunk\matplotlib\setupext.py", line
> 119, in
> > print_status
> > subsequent_indent=indent)
> >   File "c:\python25\lib\textwrap.py", line 315, in fill
> > return w.fill(text)
> >   File "c:\python25\lib\textwrap.py", line 287, in fill
> > return "\n".join( self.wrap(text))
> >   File "c:\python25\lib\textwrap.py", line 274, in wrap
> > text = self._munge_whitespace(text)
> >   File "c:\python25\lib\textwrap.py", line 122, in
> _munge_whitespace
> > text = text.expandtabs()
> > AttributeError: 'tuple' object has no attribute 'expandtabs'
> >
> > Any ideas?  Thanks!!!
> >
> > William
> >
> >
> > On 8/1/07, * Michael Droettboom* < [EMAIL PROTECTED]
> 
> > mailto:[EMAIL PROTECTED]>>> wrote:
> >
> > william ratcliff wrote:
> > > I have a question about building from source on windows:
> > > I have installed freetype2 and libpng, for zlib, I have
> a collection
> > > of dlls,
> > > But, where do I place these so that matplotlib can find
> them
> > (for the
> > > include files, libraries, etc.  Are there any that I
> have to
> > > rename?)?  I am using mingw for compilation and python
> 2.5--I have
> > > built numpy successfully from source and have installed
> > wxpython.  I
> > > have the latest version of matplotlib from the trunk of
> the svn
> > > repository.
> > As of yesterday, the setup.py script should give a little
> more
> > feedback
> > about where it is looking for external dependencies.  I
> took great
> > care
> > to not change any of the Windows behavior, since I didn't
> have a
> > Windows
> > box handy to test with.  If you are still stuck after
> following the
> > existin

Re: [Matplotlib-users] question about building from source on windows

[william ratcliff]

Is it possible that the freetype library in win32_static is out of date?

Cheers,
William

On 8/1/07, william ratcliff <[EMAIL PROTECTED]> wrote:
>
> Ok--that did fix the expandtabs bug!  I can now see where there is a
> failure in the build:
>
> Found executable C:\Python24\Enthought\MingW\bin\g++.exe
> win32_static\lib/libfreetype.a(ftgzip.o):ftgzip.c:(.text+0x160): undefined
> refer
> ence to `inflateInit2_'
> win32_static\lib/libfreetype.a(ftgzip.o):ftgzip.c:(.text+0x1d7): undefined
> refer
> ence to `inflateEnd'
> win32_static\lib/libfreetype.a(ftgzip.o):ftgzip.c:(.text+0x522): undefined
> refer
> ence to `inflateReset'
> win32_static\lib/libfreetype.a(ftgzip.o):ftgzip.c:(.text+0x5e8): undefined
> refer
> ence to `inflate'
> collect2: ld returned 1 exit status
> error: Command "g++ -mno-cygwin -shared build\temp.win32-
> 2.5\Release\src\ft2font
> .o build\temp.win32-2.5\Release\src\mplutils.o build\temp.win32-
> 2.5\Release\cxx\
> cxxsupport.o 
> build\temp.win32-2.5\Release\cxx\cxx_extensions.obuild\temp.win32-
> 2.5\Release\cxx\indirectpythoninterface.o build\temp.win32-
> 2.5\Release\cxx\cxxex
> tensions.o -Lwin32_static\lib -Lc:\python25\libs -Lc:\python25\PCBuild -lz
> -lfre
> etype -lpython25 -lmsvcr71 -o build\lib.win32-2.5\matplotlib\ft2font.pyd"
> failed
>  with exit status 1
>
>
> suggestions?
>
> Thanks,
> William
>
> On 8/1/07, Michael Droettboom <[EMAIL PROTECTED]> wrote:
> >
> > That's my bad from my changes to setup.py yesterday.
> >
> > Please update from SVN and try again.
> >
> > Cheers,
> > Mike
> >
> > william ratcliff wrote:
> > > I tried the new setup.py script and found:
> > >
> > > C:\matplotlib\trunk\matplotlib>c:\python25\python.exe setup.py build
> > >
> > 
> >
> > > BUILDING MATPLOTLIB
> > > matplotlib: 0.90.1 (r3634)
> > > python: 2.5.1 (r251:54863, Apr 18 2007, 08:51:08) [MSC
> > > v.1310 32 bit (Intel)]
> > >   platform: win32
> > > Traceback (most recent call last):
> > >   File "setup.py", line 122, in 
> > > print_status('Windows version', sys.getwindowsversion())
> > >   File "C:\matplotlib\trunk\matplotlib\setupext.py", line 119, in
> > > print_status
> > > subsequent_indent=indent)
> > >   File "c:\python25\lib\textwrap.py", line 315, in fill
> > > return w.fill(text)
> > >   File "c:\python25\lib\textwrap.py", line 287, in fill
> > > return "\n".join( self.wrap(text))
> > >   File "c:\python25\lib\textwrap.py", line 274, in wrap
> > > text = self._munge_whitespace(text)
> > >   File "c:\python25\lib\textwrap.py", line 122, in _munge_whitespace
> > > text = text.expandtabs()
> > > AttributeError: 'tuple' object has no attribute 'expandtabs'
> > >
> > > Any ideas?  Thanks!!!
> > >
> > > William
> > >
> > >
> > > On 8/1/07, * Michael Droettboom* < [EMAIL PROTECTED]
> > > > wrote:
> > >
> > > william ratcliff wrote:
> > > > I have a question about building from source on windows:
> > > > I have installed freetype2 and libpng, for zlib, I have a
> > collection
> > > > of dlls,
> > > > But, where do I place these so that matplotlib can find them
> > > (for the
> > > > include files, libraries, etc.  Are there any that I have to
> > > > rename?)?  I am using mingw for compilation and python 2.5--Ihave
> > > > built numpy successfully from source and have installed
> > > wxpython.  I
> > > > have the latest version of matplotlib from the trunk of the svn
> > > > repository.
> > > As of yesterday, the setup.py script should give a little more
> > > feedback
> > > about where it is looking for external dependencies.  I took great
> > > care
> > > to not change any of the Windows behavior, since I didn't have a
> > > Windows
> > > box handy to test with.  If you are still stuck after following
> > the
> > > existing directions, the output of setup.py may offer some clues.
> > >
> > > Cheers,
> > > Mike
> > >
> > >
> >
> >
>
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Re: [Matplotlib-users] question about building from source on windows

[william ratcliff]

Ok--that did fix the expandtabs bug!  I can now see where there is a failure
in the build:

Found executable C:\Python24\Enthought\MingW\bin\g++.exe
win32_static\lib/libfreetype.a(ftgzip.o):ftgzip.c:(.text+0x160): undefined
refer
ence to `inflateInit2_'
win32_static\lib/libfreetype.a(ftgzip.o):ftgzip.c:(.text+0x1d7): undefined
refer
ence to `inflateEnd'
win32_static\lib/libfreetype.a(ftgzip.o):ftgzip.c:(.text+0x522): undefined
refer
ence to `inflateReset'
win32_static\lib/libfreetype.a(ftgzip.o):ftgzip.c:(.text+0x5e8): undefined
refer
ence to `inflate'
collect2: ld returned 1 exit status
error: Command "g++ -mno-cygwin -shared build\temp.win32-
2.5\Release\src\ft2font
.o build\temp.win32-2.5\Release\src\mplutils.o build\temp.win32-
2.5\Release\cxx\
cxxsupport.o build\temp.win32-2.5\Release\cxx\cxx_extensions.obuild\temp.win32-
2.5\Release\cxx\indirectpythoninterface.o build\temp.win32-
2.5\Release\cxx\cxxex
tensions.o -Lwin32_static\lib -Lc:\python25\libs -Lc:\python25\PCBuild -lz
-lfre
etype -lpython25 -lmsvcr71 -o build\lib.win32-2.5\matplotlib\ft2font.pyd"
failed
 with exit status 1


suggestions?

Thanks,
William

On 8/1/07, Michael Droettboom <[EMAIL PROTECTED]> wrote:
>
> That's my bad from my changes to setup.py yesterday.
>
> Please update from SVN and try again.
>
> Cheers,
> Mike
>
> william ratcliff wrote:
> > I tried the new setup.py script and found:
> >
> > C:\matplotlib\trunk\matplotlib>c:\python25\python.exe setup.py build
> >
> 
> > BUILDING MATPLOTLIB
> > matplotlib: 0.90.1 (r3634)
> > python: 2.5.1 (r251:54863, Apr 18 2007, 08:51:08) [MSC
> > v.1310 32 bit (Intel)]
> >   platform: win32
> > Traceback (most recent call last):
> >   File "setup.py", line 122, in 
> > print_status('Windows version', sys.getwindowsversion())
> >   File "C:\matplotlib\trunk\matplotlib\setupext.py", line 119, in
> > print_status
> > subsequent_indent=indent)
> >   File "c:\python25\lib\textwrap.py", line 315, in fill
> > return w.fill(text)
> >   File "c:\python25\lib\textwrap.py", line 287, in fill
> > return "\n".join( self.wrap(text))
> >   File "c:\python25\lib\textwrap.py", line 274, in wrap
> > text = self._munge_whitespace(text)
> >   File "c:\python25\lib\textwrap.py", line 122, in _munge_whitespace
> > text = text.expandtabs()
> > AttributeError: 'tuple' object has no attribute 'expandtabs'
> >
> > Any ideas?  Thanks!!!
> >
> > William
> >
> >
> > On 8/1/07, * Michael Droettboom* <[EMAIL PROTECTED]
> > > wrote:
> >
> > william ratcliff wrote:
> > > I have a question about building from source on windows:
> > > I have installed freetype2 and libpng, for zlib, I have a
> collection
> > > of dlls,
> > > But, where do I place these so that matplotlib can find them
> > (for the
> > > include files, libraries, etc.  Are there any that I have to
> > > rename?)?  I am using mingw for compilation and python 2.5--I have
> > > built numpy successfully from source and have installed
> > wxpython.  I
> > > have the latest version of matplotlib from the trunk of the svn
> > > repository.
> > As of yesterday, the setup.py script should give a little more
> > feedback
> > about where it is looking for external dependencies.  I took great
> > care
> > to not change any of the Windows behavior, since I didn't have a
> > Windows
> > box handy to test with.  If you are still stuck after following the
> > existing directions, the output of setup.py may offer some clues.
> >
> > Cheers,
> > Mike
> >
> >
>
>
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Re: [Matplotlib-users] question about building from source on windows

[Michael Droettboom]

That's my bad from my changes to setup.py yesterday.

Please update from SVN and try again.

Cheers,
Mike

william ratcliff wrote:
> I tried the new setup.py script and found:
>
> C:\matplotlib\trunk\matplotlib>c:\python25\python.exe setup.py build
> 
> BUILDING MATPLOTLIB
> matplotlib: 0.90.1 (r3634)
> python: 2.5.1 (r251:54863, Apr 18 2007, 08:51:08) [MSC
> v.1310 32 bit (Intel)]
>   platform: win32
> Traceback (most recent call last):
>   File "setup.py", line 122, in 
> print_status('Windows version', sys.getwindowsversion())
>   File "C:\matplotlib\trunk\matplotlib\setupext.py", line 119, in 
> print_status
> subsequent_indent=indent)
>   File "c:\python25\lib\textwrap.py", line 315, in fill
> return w.fill(text)
>   File "c:\python25\lib\textwrap.py", line 287, in fill
> return "\n".join( self.wrap(text))
>   File "c:\python25\lib\textwrap.py", line 274, in wrap
> text = self._munge_whitespace(text)
>   File "c:\python25\lib\textwrap.py", line 122, in _munge_whitespace
> text = text.expandtabs()
> AttributeError: 'tuple' object has no attribute 'expandtabs'
>
> Any ideas?  Thanks!!!
>
> William
>
>
> On 8/1/07, * Michael Droettboom* <[EMAIL PROTECTED] 
> > wrote:
>
> william ratcliff wrote:
> > I have a question about building from source on windows:
> > I have installed freetype2 and libpng, for zlib, I have a collection
> > of dlls,
> > But, where do I place these so that matplotlib can find them
> (for the
> > include files, libraries, etc.  Are there any that I have to
> > rename?)?  I am using mingw for compilation and python 2.5--I have
> > built numpy successfully from source and have installed
> wxpython.  I
> > have the latest version of matplotlib from the trunk of the svn
> > repository.
> As of yesterday, the setup.py script should give a little more
> feedback
> about where it is looking for external dependencies.  I took great
> care
> to not change any of the Windows behavior, since I didn't have a
> Windows
> box handy to test with.  If you are still stuck after following the
> existing directions, the output of setup.py may offer some clues.
>
> Cheers,
> Mike
>
>


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Re: [Matplotlib-users] question about building from source on windows

[william ratcliff]

I tried the new setup.py script and found:

C:\matplotlib\trunk\matplotlib>c:\python25\python.exe setup.py build

BUILDING MATPLOTLIB
matplotlib: 0.90.1 (r3634)
python: 2.5.1 (r251:54863, Apr 18 2007, 08:51:08) [MSC
v.1310 32 bit (Intel)]
  platform: win32
Traceback (most recent call last):
  File "setup.py", line 122, in 
print_status('Windows version', sys.getwindowsversion())
  File "C:\matplotlib\trunk\matplotlib\setupext.py", line 119, in
print_status
subsequent_indent=indent)
  File "c:\python25\lib\textwrap.py", line 315, in fill
return w.fill(text)
  File "c:\python25\lib\textwrap.py", line 287, in fill
return "\n".join(self.wrap(text))
  File "c:\python25\lib\textwrap.py", line 274, in wrap
text = self._munge_whitespace(text)
  File "c:\python25\lib\textwrap.py", line 122, in _munge_whitespace
text = text.expandtabs()
AttributeError: 'tuple' object has no attribute 'expandtabs'

Any ideas?  Thanks!!!

William


On 8/1/07, Michael Droettboom <[EMAIL PROTECTED]> wrote:
>
> william ratcliff wrote:
> > I have a question about building from source on windows:
> > I have installed freetype2 and libpng, for zlib, I have a collection
> > of dlls,
> > But, where do I place these so that matplotlib can find them (for the
> > include files, libraries, etc.  Are there any that I have to
> > rename?)?  I am using mingw for compilation and python 2.5--I have
> > built numpy successfully from source and have installed wxpython.  I
> > have the latest version of matplotlib from the trunk of the svn
> > repository.
> As of yesterday, the setup.py script should give a little more feedback
> about where it is looking for external dependencies.  I took great care
> to not change any of the Windows behavior, since I didn't have a Windows
> box handy to test with.  If you are still stuck after following the
> existing directions, the output of setup.py may offer some clues.
>
> Cheers,
> Mike
>
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Re: [Matplotlib-users] question about building from source on windows

[Michael Droettboom]

william ratcliff wrote:
> I have a question about building from source on windows:
> I have installed freetype2 and libpng, for zlib, I have a collection 
> of dlls,
> But, where do I place these so that matplotlib can find them (for the 
> include files, libraries, etc.  Are there any that I have to 
> rename?)?  I am using mingw for compilation and python 2.5--I have 
> built numpy successfully from source and have installed wxpython.  I 
> have the latest version of matplotlib from the trunk of the svn 
> repository.
As of yesterday, the setup.py script should give a little more feedback 
about where it is looking for external dependencies.  I took great care 
to not change any of the Windows behavior, since I didn't have a Windows 
box handy to test with.  If you are still stuck after following the 
existing directions, the output of setup.py may offer some clues.

Cheers,
Mike

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[Matplotlib-users] Image Scalling

[Jonathan Makem]

Hi,

   How do I scale an image of a plot so that it fits a landscape A4 page?
How do you move the position of the x and y labels on the axis? How do you
increase the font size of the numbers on each axis?

 

Regards,

Jonathan Makem

 

School of Mechanical and Aerospace Engineering
Ashby Building
Stranmillis Road
Belfast 

BT9 5AH

 

Tel:  +44 (0)28 9097 4277

Fax: +44 (0)28 9066 1729

Email:   [EMAIL PROTECTED] 

 

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[Matplotlib-users] ticklabels positions not updated

[Lionel Roubeyrie]

Hi all,
I'm going crazy with ticklabels positions, I just want to update yticklabels 
but nothing changes :
>tlist=gca().get_yticklabels()
>tlist[1].get_position()
  Out [571]:(0.0, 1.0)
>tlist[1].set_position((0.0, 2.0))
>draw()
>tlist[1].get_position()
  Out [574]:(0.0, 1.0)
Do I miss something?
Thanks

-- 
Lionel Roubeyrie - [EMAIL PROTECTED]
Chargé d'études et de maintenance
LIMAIR - la Surveillance de l'Air en Limousin
http://www.limair.asso.fr


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