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=======================================
MEP24: negative radius in polar plots
=======================================
.. contents::
:local:
Status
======
*Discussion*
Branches and Pull requests
==========================
None
Abstract
========
It is clear that polar plots need to be able to gracefully handle
negative r values (not by clipping or reflection).
Detailed description
====================
One obvious application that we should support is bB plots (see
https://github.com/matplotlib/matplotlib/issues/1730#issuecomment-40815837),
but this seems more generally useful (for example growth rate as a
function of angle). The assumption in the current code (as I
understand it) is that the center of the graph is ``r==0``, however it
would be good to be able to set the center to be at any ``r`` (with any
value less than the offset clipped).
Implementation
==============
Related Issues
==============
#1730, #1603, #2203, #2133
Backward compatibility
======================
Alternatives
============
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