[Matplotlib-users] Minus signs for zticklabels absent when saved as PDF, unless manually specified

[Nishan Singh Mann]

Thank Thomas, I concur. I just tried this on a machine running Ubuntu
16.04, matplotlib version 1.5.1 and issue is absent. Guess I will just use
pip or upgrade my distro.
Nishan

On Wed, 1 Jun 2016 at 18:29 Thomas Caswell <tcaswell at gmail.com> wrote:

> I can not reproduce this on 2.0.0b1 which means we fixed this bug at some
> point between 1.3.1 and now.
>
> Is it possible to get a newer version of mpl?
>
> Tom
>
> On Wed, Jun 1, 2016 at 6:13 PM Nishan Singh Mann <
> nishan.singh.mann at gmail.com> wrote:
>
>> Hello all,
>>                First up, the prerequisites,
>>
>>    - uname -a: Linux macallan3 3.16.0-71-generic #92~14.04.1-Ubuntu SMP
>>    Thu May 12 23:31:46 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
>>    - matplotlib version: '1.3.1'
>>    - install
>>    location: '/usr/lib/python3/dist-packages/matplotlib/__init__.py'
>>    - installed via apt-get.
>>    - no customizations to my rc file have been done
>>
>> Consider the following test code
>> # ----------------------------- #
>> import numpy as np
>> import matplotlib as mpl
>> from matplotlib import pyplot as plt
>> from mpl_toolkits.mplot3d import Axes3D
>>
>> fig = plt.figure()
>> ax = fig.gca(projection='3d')
>> x = np.linspace(-1, 1)
>> y = np.linspace(-1, 1)
>> (xx, yy) = np.meshgrid(x, y)
>> ax.plot(x, y, x+y)
>> # ax.set_zticklabels(['-2', '-1.5', '-1.0', '-0.5', '0', '0.5', '1.0',
>> '1.5', '2.0'])
>> plt.savefig('test.pdf')
>> plt.show()
>> # ----------------------------- #
>> On my machine, this saves the figure as a pdf but the minus signs in
>> front of the negative zticklabels are missing. If I now manually set the
>> zticklabels by un-commenting the line above, the minus signs appear in the
>> pdf. This only occurs when saving as a .pdf. Saving as .jpg, .png, .eps,
>> .ps file has no problems. Can anyone else reproduce this issue?
>>
>> Regards,
>> Nishan Mann
>>
>> --
>> Nishan Singh Mann
>>
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>>
> --
Nishan Singh Mann
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