我正在开发一个应用程序，它将matplotlib嵌入到python和gtk2程序中，并将gtkcairo后端用于matplotlib。我成功使用axes.plot，但如果我尝试使用像scatter（）这样的东西来制作色彩图，或者使用像套索这样的交互式工具，我会收到错误。发生错误时会在问题详细信息中报告：
Most Recent Project: C:\Users\Documents\p\p.aprojx
Platform: AMD64
Traceback (most recent call last):
File "C:\Users\Work\components\win64\lib\python2.7\matplotlib\backends\backend_gtk.py", line 435, in expose_event
self._render_figure(self._pixmap, w, h)
File "C:\Users\Work\components\win64\lib\python2.7\matplotlib\backends\backend_gtk.py", line 423, in _render_figure
self.figure.draw (self._renderer)
File "C:\Users\Work\components\win64\lib\python2.7\matplotlib\artist.py", line 55, in draw_wrapper
draw(artist, renderer, *args, **kwargs)
File "C:\Users\Work\components\win64\lib\python2.7\matplotlib\figure.py", line 1034, in draw
func(*args)
File "C:\Users\Work\components\win64\lib\python2.7\matplotlib\artist.py", line 55, in draw_wrapper
draw(artist, renderer, *args, **kwargs)
File "C:\Users\Work\components\win64\lib\python2.7\matplotlib\axes.py", line 2086, in draw
a.draw(renderer)
File "C:\Users\Work\components\win64\lib\python2.7\matplotlib\artist.py", line 55, in draw_wrapper
draw(artist, renderer, *args, **kwargs)
File "C:\Users\Work\components\win64\lib\python2.7\matplotlib\collections.py", line 717, in draw
for x in self._sizes]
TypeError: Not implemented for this type
我想知道问题是什么，以及我能做些什么。目前我认为gtkcairo是问题所在，或者使用gtk2而不是3，但我不确定目前是否更改其中任何一项都是可行的。
这是正常工作的代码，但是如果我将plot（）更改为scatter（）或其他任何我遇到错误。
def plot(self, x, y, xlabel, ylabel, semilogX = False, semilogY = False, plot_circles = False):
self._figure.clear()
axes = matplotlib.axes.Subplot(self._figure, 111)
self._figure.add_axes(axes)
if semilogX:
axes.set_xscale('log')
if semilogY:
axes.set_yscale('log')
if plot_circles:
self.pts = axes.plot(x, y, 'o', c='blue', alpha=0.4)
else:
self.pts = axes.plot(x, y, ',', c='blue')
axes.set_xlabel(xlabel)
# the extra space is a hack for what appears to be a bug in the GTK backend where it draws
# the y label horizontally, then rotates it to be vertical, but it does not figure out the
# extent of the text correctly so leaves the trailing edge of a character (e.g. the leg of
# an 'h' behind) - the ' ' means the left behind object is not very visible...sigh
axes.set_ylabel(ylabel + ' ')
configure_axes(axes, True)
self.canvas.show()