Re: [Matplotlib-users] loss of 3d plot interactivity after cla()?

[Zachary P. <zac...@ya...>]

For posterity, Ben Root let me know off-list that the interaction bug is fixed in the soon-to-be-released v 1.1.1.

Also, regarding documentation, I mentioned to Ben and I'll mention here too that I'd be happy to help out where I can with what sort of information would be helpful for getting people in my position (tons of python knowledge, but almost none of matlab) up and running with matplotlib -- which as of now seems to rely on similarity-with-matlab for getting new users started. 

I'm obviously not the right person to write new docs, but if there's any other way I can help, I'd be happy to.

Zach


On Mar 16, 2012, at 5:34 PM, Zachary Pincus wrote:

> Hi all,
> 
> I'm (finally) getting started with matplotlib, and am enjoying the lovely plot quality. However, as a non-matlab user, I'm finding it *extremely* difficult to figure out how to do even the simplest tasks / understand the code samples. (e.g. what is the '111' in the boilerplate calls to add_subplot() in the various examples? I couldn't find anything in the docs, and had to resort to the matlab documentation!)
> 
> Anyhow, I've soldiered on, and have run across an issue that I don't know if is related to my non-comprehension of the right syntax, a bug in the Axes3D code, or a problem with the MacOSX backend. Here's code to duplicate the issue (Python 2.7, OS X 10.7, matplotlib 1.1.0, via pre-built installer):
> 
> import matplotlib as mpl
> mpl.use('macosx')
> import matplotlib.pyplot as plt
> plt.ion()
> from mpl_toolkits.mplot3d import Axes3D
> fig = plt.figure()
> ax = fig.gca(projection='3d')
> ax.plot([1,2,3], [2,3,2], [2,5,7]) # draws immediately!?
> ax.cla() # plt.cla() has same effect
> ax.plot([1,2,3], [2,3,2], [2,5,7]) # doesn't draw?
> plt.draw() # now draws, but z-order is messed up -- grid lines on top?
> # And worse, now figure can't be interactively rotated with the mouse
> 
> Nothing can restore interactivity short of making a new figure, or calling fig.clf() (which I *randomly* happened on), and then making a new set of axes.
> 
> Is this a known issue? Am I doing something wrong -- is ax.cla() or plt.cla() the wrong thing to clear the figure?
> 
> Thanks a lot,
> Zach
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