counterclock parameter for pie

[fat-crocodile]

No description provided.

[tacaswell]

Can you also and an entry I CHANGELOG, api_changes.rst and whats_New.rst? The two rst files are under doc.

This is so your new feature gets advertised.

[fat-crocodile]

Sorry, I was a little bit busy, and I will be completely offline for the next two weeks (since tomorrow).
I fix style tests failures and add line in api_changes.rst.

For whats_New, I think, it is too small changes
And I don't understand what you mean by 'I CHANGELOG entry'.

Feel free to reject this pull request and make changes yourself, I will happy enough.

[tacaswell]

That comment should have read:

"Can you also add an entry in CHANGELOG, api_changes.rst and whats_New.rst? The two rst files are under doc."

Sorry for the typos (I think I will blame my phone).

[fat-crocodile]

Add line in changelog.
Pythjon 2.7 still failed ( https://travis-ci.org/matplotlib/matplotlib/jobs/20698286 ), and I don't know why :( Failed test does not connected with my changes.

======================================================================
FAIL: matplotlib.tests.test_triangulation.test_tripcolor.test
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/travis/virtualenv/python2.7/local/lib/python2.7/site-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/home/travis/virtualenv/python2.7/local/lib/python2.7/site-packages/matplotlib-1.4.x-py2.7-linux-x86_64.egg/matplotlib/testing/decorators.py", line 50, in failer
    result = f(*args, **kwargs)
  File "/home/travis/virtualenv/python2.7/local/lib/python2.7/site-packages/matplotlib-1.4.x-py2.7-linux-x86_64.egg/matplotlib/testing/decorators.py", line 201, in do_test
    '(RMS %(rms).3f)'%err)
ImageComparisonFailure: images not close: /home/travis/build/matplotlib/tmp_test_dir/result_images/test_triangulation/tripcolor1.png vs. /home/travis/build/matplotlib/tmp_test_dir/result_images/test_triangulation/tripcolor1-expected.png (RMS 90.068)

[tac edited to add markup]

[tacaswell]

travis some times generates transient failures (or fails to set it's self up). Don't worry about it in this case.

[tacaswell]

This looks good to me. The one other thing that is good to have is a test showing the function of the new feature. As you are about to go offline for two weeks, I will take care of the test for this feature.

[tacaswell]

One last thing I just noticed, if the plot is ccw, should the starting angle also be shifted?

[fat-crocodile]

I think not, cause situation simpler if one parameter controls only one thing -- only fractions direction in this case.

[tacaswell]

Fair point (I had not fully grasped the difference that the starting position was an angle and the wedge sizes were fractions).

I will merge this tonight unless there is protest.