the marker 'x' (ex: plot(a,b,'bx',markersize=5) are not working anymore (at least version 0.72.1 and cvs) with Agg backend and derived (TkAgg and GTKAgg). With PS or PNG backends it's ok.
The error message is:
Traceback (most recent call last):
File "/usr/local/lib/python2.4/lib-tk/Tkinter.py", line 1345, in __call__
return self.func(*args)
File "/usr/local/lib/python2.4/site-packages/matplotlib/backends/backend_tkagg.py", line 140, in resize
self.show()
File "/usr/local/lib/python2.4/site-packages/matplotlib/backends/backend_tkagg.py", line 143, in draw
FigureCanvasAgg.draw(self)
File "/usr/local/lib/python2.4/site-packages/matplotlib/backends/backend_agg.py", line 319, in draw
self.figure.draw(self.renderer)
File "/usr/local/lib/python2.4/site-packages/matplotlib/figure.py", line 338, in draw
for a in self.axes: a.draw(renderer)
File "/usr/local/lib/python2.4/site-packages/matplotlib/axes.py", line 1296, in draw
a.draw(renderer)
File "/usr/local/lib/python2.4/site-packages/matplotlib/lines.py", line 294, in draw
markerFunc(renderer, gc, xt, yt)
File "/usr/local/lib/python2.4/site-packages/matplotlib/lines.py", line 1044, in _draw_x
renderer.draw_line(gc, x-offset, y-offset, x+offset, y+offset)
File "/usr/local/lib/python2.4/site-packages/matplotlib/backends/backend_agg.py", line 155, in draw_line
self._renderer.draw_lines(gc, x, y)
IndexError: Unexpected SeqBase<T> length.
thanks.