Hmm, how can I test this change the easiest way?
Clone the master and replace with your changes? or can I directly clone
your experimental branch?
On Wed, May 16, 2012 at 8:52 AM, Michael Droettboom <md...@stsci.edu> wrote:
> I have a proposed solution here:
>
> https://github.com/matplotlib/matplotlib/pull/872
>
> Git bisect found that the first commit where this happens was here:
>
> https://github.com/matplotlib/matplotlib/commit/4cd75cdf
>
> This is the script I used to reproduce -- I assume it's the same thing
> you're seeing:
>
> from matplotlib import pyplot as plt
> import numpy as np
>
> x = np.linspace(0, 3.14 * 2, 3000)
> y = np.sin(x)
> x[::100] = np.nan
> plt.plot(x, y)
> plt.ylim(-0.25, 0.25)
> plt.show()
>
> Mike
>
>
> On 05/16/2012 10:44 AM, Gökhan Sever wrote:
>
> Hi Mike,
>
> Could you inform me about your progress? I can test your sample script.
> I was thinking to test from v1.1.x branch downwards to spot the source of
> the issue, but I just don't know how to clone at particular commit in git.
>
> Thank you.
>
> On Wed, May 16, 2012 at 6:51 AM, Michael Droettboom <md...@stsci.edu>wrote:
>
>> Nevermind -- I've got something to reproduce this and am looking into it
>> now.
>>
>> Mike
>>
>>
>> On 05/16/2012 08:13 AM, Michael Droettboom wrote:
>>
>> On 05/15/2012 07:57 PM, Gökhan Sever wrote:
>>
>> Hello,
>>
>> I have encountered a weird plotting issue recently using a recent mpl
>> clone. See the linked pdfs for better demonstration of the issue:
>>
>> http://atmos.uwyo.edu/~gsever/data/vocals_RF04_NU05_newmpl.pdf
>> http://atmos.uwyo.edu/~gsever/data/vocals_RF04_NU05_oldmpl.pdf
>>
>>
>> newmpl file is created using the latest master branch (cloned and setup
>> today)
>> oldmpl is created using mpl v1.1.0 (
>> https://github.com/downloads/matplotlib/matplotlib/matplotlib-1.1.0.tar.gz
>> )
>>
>> Scroll down to page 4 in each file and you will see the wrong
>> plotted behavior of alwp_lcl (black line) variable on newmpl file comparing
>> to the correct version that is shown on oldmpl.
>>
>> I was trying to figure out a way to correct this and I raised y-axis
>> max to 2400 and then the line looks fine. However I have other data that
>> show similar wrong behaviors, so I decided to try earlier mpl versions
>> since I know that those plots were looking correct earlier (at least a few
>> months back). Trying v1.1.x branch gave me the same results. Note that
>> these data contain "nans". Are nan handling changed in recent mpl code or
>> the way the data is plotted out of margins? I can't reproduce this
>> with synthetic data.
>>
>> There have been changes to that code lately. Is there any way you can
>> pack up a small script and data to reproduce this? Then I can poke at it
>> and see what I find (it would also make a good regression test).
>>
>> Mike
>>
>>
>>
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>
>
> --
> Gökhan
>
>
>
--
Gökhan
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