Re: [Matplotlib-users] 'Poly3DCollection' object has no attribute '_facecolors2d'

[Oliver <oli...@gm...>]

Bug report made under issue 4067
<https://github.com/matplotlib/matplotlib/issues/4067>.

Thanks for confirming the bug!
​

2015-02-05 22:43 GMT+01:00 Benjamin Root <ben...@ou...>:

> Yup, that is a real bug... self._facecolors2d doesn't get set until the
> first draw. It really shouldn't be accessing _facecolors2d because the
> elements can change order depending on the rotation of the display. Could
> you file the bug report, please?
>
> Thanks!
> Ben Root
>
>
> On Thu, Feb 5, 2015 at 4:32 PM, Oliver <oli...@gm...> wrote:
>
>> Greetings,
>>
>> before I submit an issue I usually try to confirm on the mailing list
>> that the issue I'm experiencing is not just on my system.
>> At the moment, I've tested this only on my personal laptop, but in
>> virtual environments.
>> One venv has mpl version 1.3.1, the other has just been installed (with
>> only numpy, matplotlib and ipython) and thus has mpl version 1.4.2.
>>
>> In both environments the following script fails:
>>
>> import numpy as np
>> import matplotlib.tri as mtri
>> import matplotlib.pyplot as plt
>> from mpl_toolkits.mplot3d import Axes3D
>>
>> y,x = np.ogrid[1:10:100j, 1:10:100j]
>> z = x**2-x*y
>> z2 = np.cos(x)**3 - np.sin(y)**2
>> fig = plt.figure()
>> ax = fig.add_subplot(111, projection='3d')
>> r = ax.plot_surface(x,y,z2, cmap='hot')
>> r.get_facecolors()
>>
>> It fails on the last line with the following traceback:
>>
>> ---------------------------------------------------------------------------
>> AttributeError                            Traceback (most recent call
>> last)
>> <ipython-input-13-de0f41d662cd> in <module>()
>> ----> 1 r.get_facecolors()
>>
>> /home/oliver/.virtualenvs/mpl/local/lib/python2.7/site-packages/mpl_toolkits/mplot3d/art3d.pyc
>> in get_facecolors(self)
>>     634
>>     635     def get_facecolors(self):
>> --> 636         return self._facecolors2d
>>     637     get_facecolor = get_facecolors
>>     638
>>
>> AttributeError: 'Poly3DCollection' object has no attribute '_facecolors2d'
>>
>> Can anyone confirm on their system that this is a bug?
>> I have the same error appearing for `get_facecolor()` (without the s) by
>> the way.
>>
>> Regards,
>>
>> Oliver
>>
>>
>> ------------------------------------------------------------------------------
>> Dive into the World of Parallel Programming. The Go Parallel Website,
>> sponsored by Intel and developed in partnership with Slashdot Media, is
>> your
>> hub for all things parallel software development, from weekly thought
>> leadership blogs to news, videos, case studies, tutorials and more. Take a
>> look and join the conversation now. http://goparallel.sourceforge.net/
>> _______________________________________________
>> Matplotlib-users mailing list
>> Mat...@li...
>> https://lists.sourceforge.net/lists/listinfo/matplotlib-users
>>
>>
>