Re: [Matplotlib-users] animating surfaces

[Matthew K. G. <mk...@cs...>]

Hmm, I tried that but it didn't work.

I also tried just using ax3d.hold(False), and also tried 
pylab.hold(False), but both times I still kept on getting multiple surfaces.

-- Matt

Eric Firing wrote:
> Matthew Koichi Grimes wrote:
>> I'd like to plot a 3D surface and its contours as the surface 
>> evolves. When I do it by simply calling plot_surface and/or contour3D 
>> multiple times, the plot doesn't clear the old surface before 
>> plotting the new one, so I get a whole bunch of surfaces accumulating 
>> in the same plot:
>>
>> <snip>
>> import pylab as P
>> import matplotlib.axes3d as P3
>>
>>     # bad: plots multiple surfaces on top of each other
>>     def animatePlot():
>>
>>         P.ion()              fig = P.gcf()
>>         ax3d = P3.Axes3D(self.fig)
>>                for i in xrange(100):
>>             x, y, z = getLatestData(i)
>>             ax3d.plot_surface( x, y, z )
>>             ax3d.contour3D( x, y, z )
>>             P.draw()
>
> Try putting "ax3d.hold(False)" before the plot_surface, and 
> "ax3d.hold(True)" after it.
>
> I haven't tried it, but I think this should accomplish what you want.
>
> Eric