I work matplotlib on wxpython, python2.5.
It is wonderful that the following code work faster than canvas.draw().
canvas.restore_region(background)
##Updata three lines and draw it.
line.set_data(x,y)
ax.draw_artist(line)
canvas.blit(ax.bbox)
canvas.gui_repaint()
When I creat a frame and set frame.Show(True). Then ,refresh the line on
canvas with above method. It works.
However,When I creat a frame and set frame.Show(False). Then ,refresh the
line on canvas with above method. It fails. And get the following message.
'''
File "C:\Python25\Lib\site-packages\matplotlib\axes.py", line 1299, in
draw_artist
assert self._cachedRenderer is not None
AssertionError
'''
I creat a lot of frames and do not want to show it at frist. However, when
with frame.Show(False), I can refresh the canvas. Is there any solution?
Could anyone help me? Your help will be appreciated a lot. Thanks.
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