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/%7Egsever/data/vocals_RF04_NU05_newmpl.pdf>
http://atmos.uwyo.edu/~gsever/data/vocals_RF04_NU05_oldmpl.pdf
<http://atmos.uwyo.edu/%7Egsever/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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