Hi Ben,
It works for me. Thank you very much !
Best wishes
Nils
On Tue, Sep 17, 2013 at 3:25 PM, Benjamin Root <ben.r...@ou.edu> wrote:
>
>
>
> On Tue, Sep 17, 2013 at 4:25 AM, Nils Wagner <nils...@googlemail.com>wrote:
>
>> Hi all,
>>
>> How can I modify the grid linewidth and grid line color of an Axes3D
>> object ?
>> is it possible to use white instead of gray for the background color ?
>>
>> The following snippet doesn't show the desired effect.
>>
>> from mpl_toolkits.mplot3d import Axes3D
>> import matplotlib.pyplot as plt
>> fig = plt.figure(figsize=(10,8))
>> ax = fig.gca(projection='3d')
>> ax.grid(color='r',linestyle='-',linewdith=2)
>>
>>
> A (somewhat) undocumented feature (and is not guaranteed to work in the
> future!) is the axis's _axinfo dictionary.
>
> # This is a temporary member variable.
> # Do not depend on this existing in future releases!
> self._axinfo = self._AXINFO[adir].copy()
> self._axinfo.update({'label' : {'space_factor': 1.6,
> 'va': 'center',
> 'ha': 'center'},
> 'tick' : {'inward_factor': 0.2,
> 'outward_factor': 0.1},
> 'ticklabel': {'space_factor': 0.7},
> 'axisline': {'linewidth': 0.75,
> 'color': (0, 0, 0, 1)},
> 'grid' : {'color': (0.9, 0.9, 0.9, 1),
> 'linewidth': 1.0},
> })
>
> where _AXINFO is a class-level attribute defined as:
> # Some properties for the axes
> _AXINFO = {
> 'x': {'i': 0, 'tickdir': 1, 'juggled': (1, 0, 2),
> 'color': (0.95, 0.95, 0.95, 0.5)},
> 'y': {'i': 1, 'tickdir': 0, 'juggled': (0, 1, 2),
> 'color': (0.90, 0.90, 0.90, 0.5)},
> 'z': {'i': 2, 'tickdir': 0, 'juggled': (0, 2, 1),
> 'color': (0.925, 0.925, 0.925, 0.5)},
> }
>
> This information used to be hard-coded throughout the axis3d.py module. I
> consolidated it all into this dictionary for each Axis3D instance. So, you
> should be able to create your Axes3D object, and then do something like the
> following:
>
> ax = fig.gca(projection='3d')
> ax.xaxis._axinfo['grid'].update({'color': 'r', 'linewidth': 2})
> ax.xaxis._axinfo['color'] = 'white'
>
> (Note: untested code!) I don't think the linestyle can be specified,
> though. At some point, I probably should get the Axes3D.grid() function
> defined to mess around with this _axinfo modify the _axinfo dictionary.
>
> I hope that helps!
> Ben Root
>
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