[Matplotlib-users] Problem UsingTex

[kristen k. <co...@ya...>]

Dear John

When running the tex_demo.py script I just get a gray
figure canvas (no curves or anything) and the
following error message:
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Exception in Tkinter callback
Traceback (most recent call last):
  File "C:\Python24\lib\lib-tk\Tkinter.py", line 1345,
in __call__
    return self.func(*args)
  File
"C:\Python24\Lib\site-packages\matplotlib\backends\backend_tkagg.py",
line 148, in resize
    self.show()
  File
"C:\Python24\Lib\site-packages\matplotlib\backends\backend_tkagg.py",
line 151, in draw
    FigureCanvasAgg.draw(self)
  File
"C:\Python24\Lib\site-packages\matplotlib\backends\backend_agg.py",
line 381, in draw
    self.figure.draw(renderer)
  File
"C:\Python24\Lib\site-packages\matplotlib\figure.py",
line 511, in draw
    for a in self.axes: a.draw(renderer)
  File
"C:\Python24\Lib\site-packages\matplotlib\axes.py",
line 1387, in draw
    self.xaxis.draw(renderer)
  File
"C:\Python24\Lib\site-packages\matplotlib\axis.py",
line 552, in draw
    tick.draw(renderer)
  File
"C:\Python24\Lib\site-packages\matplotlib\axis.py",
line 151, in draw
    if self.label1On: self.label1.draw(renderer)
  File
"C:\Python24\Lib\site-packages\matplotlib\text.py",
line 848, in draw
    self._mytext.draw(renderer)
  File
"C:\Python24\Lib\site-packages\matplotlib\text.py",
line 335, in draw
    bbox, info = self._get_layout(renderer)
  File
"C:\Python24\Lib\site-packages\matplotlib\text.py",
line 184, in _get_layout
    w,h = renderer.get_text_width_height(
  File
"C:\Python24\Lib\site-packages\matplotlib\backends\backend_agg.py",
line 241, in get_text_width_height
    Z = self.texmanager.get_rgba(s, size, dpi, rgb)
  File
"C:\Python24\Lib\site-packages\matplotlib\texmanager.py",
line 296, in get_rgba
    X = readpng(pngfile)
RuntimeError: _image_module::readpng could not open
PNG file C:\Documents and
Settings\Kristen\.matplotlib\tex.cache\30565a8911a6bb487e3745c0ea3c8224_96.png
for reading
______________________________________________________

Any idea of what I'm missing??

Kristen



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