Hi,
using an empty mathtext "$$" in labels generates an exception. See
example and traceback below.
/Jörgen
from pylab import *
from numpy import *
x=arange(0,2*pi,0.1)
plot(x,sin(x))
title(r"$$")
show()
Exception in Tkinter callback
Traceback (most recent call last):
File "C:\python25\lib\lib-tk\Tkinter.py", line 1403, in __call__
return self.func(*args)
File
"c:\python\external\matplotlib-trunk\build\lib.win32-2.5\matplotlib\backends\backend_tkagg.py",
line 188, in resize
self.show()
File
"c:\python\external\matplotlib-trunk\build\lib.win32-2.5\matplotlib\backends\backend_tkagg.py",
line 191, in draw
FigureCanvasAgg.draw(self)
File
"c:\python\external\matplotlib-trunk\build\lib.win32-2.5\matplotlib\backends\backend_agg.py",
line 255, in draw
self.figure.draw(self.renderer)
File
"c:\python\external\matplotlib-trunk\build\lib.win32-2.5\matplotlib\figure.py",
line 796, in draw
for a in self.axes: a.draw(renderer)
File
"c:\python\external\matplotlib-trunk\build\lib.win32-2.5\matplotlib\axes.py",
line 1494, in draw
a.draw(renderer)
File
"c:\python\external\matplotlib-trunk\build\lib.win32-2.5\matplotlib\text.py",
line 295, in draw
bbox, info = self._get_layout(renderer)
File
"c:\python\external\matplotlib-trunk\build\lib.win32-2.5\matplotlib\text.py",
line 195, in _get_layout
line, self._fontproperties, ismath=self.is_math_text(line))
File
"c:\python\external\matplotlib-trunk\build\lib.win32-2.5\matplotlib\backends\backend_agg.py",
line 134, in get_text_width_height_descent
self.mathtext_parser.parse(s, self.dpi, prop)
File
"c:\python\external\matplotlib-trunk\build\lib.win32-2.5\matplotlib\mathtext.py",
line 2706, in parse
box = self._parser.parse(s, font_output, fontsize, dpi)
File
"c:\python\external\matplotlib-trunk\build\lib.win32-2.5\matplotlib\mathtext.py",
line 2186, in parse
str(err)]))
ValueError:
$$
^
Expected end of text (at char 0), (line:1, col:1)
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