Hi matplotters,
I am trying to create an image and save it to pdf.
Unfortunately, the result is much different if I save it to pdf, eps
or png.
I am on Mac OS X 10.4, using qt4 4.5.0 and the qt4agg backend (but
the problems also occur with -dmacosx).
The plot I am trying to make is an overlay of hists + datapoints with
errorbars.
The png roughly looks like I would expect (although I can't figure
out how to plot a straight black horizontal line at y=0. pylab.plot
doesn't seem to do what I want)
The eps doesn't get filled with the correct colors, and the pdf and
the svg don't work at all.
The error message for saving as svg is inlined below the message.
The rest of the files should be accessible at https://
jstrube.web.cern.ch/jstrube/matplotlib_testcase/
You need the python bindings to CERN's ROOT libraries if you want to
reproduce the plot.
Any help is greatly appreciated.
Cheers,
Jan
File "analyzeLambdaPbarGammaShape.py", line 128, in <module>
pl.savefig('lambdaPbarGamma_all.svg')
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/pyplot.py", line 354, in savefig
return fig.savefig(*args, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/figure.py", line 1002, in savefig
self.canvas.print_figure(*args, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/backends/backend_qt4agg.py", line
144, in print_figure
FigureCanvasAgg.print_figure(self, *args, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/backend_bases.py", line 1476, in
print_figure
**kwargs)
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/backend_bases.py", line 1355, in
print_svg
return svg.print_svg(*args, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/backends/backend_svg.py", line
615, in print_svg
return self._print_svg(filename, svgwriter, fh_to_close, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/backends/backend_svg.py", line
650, in _print_svg
self.figure.draw(renderer)
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/artist.py", line 46, in draw_wrapper
draw(artist, renderer, *kl)
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/figure.py", line 774, in draw
for a in self.axes: a.draw(renderer)
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/artist.py", line 46, in draw_wrapper
draw(artist, renderer, *kl)
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/axes.py", line 1826, in draw
a.draw(renderer)
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/artist.py", line 46, in draw_wrapper
draw(artist, renderer, *kl)
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/patches.py", line 326, in draw
renderer.draw_path(gc, tpath, affine, rgbFace)
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/backends/backend_svg.py", line
233, in draw_path
self._draw_svg_element('path', 'd="%s"' % path_data, gc, rgbFace)
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/backends/backend_svg.py", line 69,
in _draw_svg_element
style = self._get_style(gc, rgbFace)
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/backends/backend_svg.py", line
121, in _get_style
fill = "url(#%s)" % self._get_hatch(gc, rgbFace)
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/backends/backend_svg.py", line
107, in _get_hatch
(HATCH_SIZE+1, HATCH_SIZE+1, rgb2hex(rgbFace)))
File "/Library/Frameworks/Python.framework/Versions/2.6/lib/
python2.6/site-packages/matplotlib/colors.py", line 221, in rgb2hex
return '#%02x%02x%02x' % tuple([round(val*255) for val in rgb])
TypeError: 'NoneType' object is not iterable
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