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document and test Arrow and FancyArrow #7213

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@dopplershift

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@dopplershift

See #6583.

The code is pretty crufty, there are no tests, and it's not clear at all what the units are for drawing these things.

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added this to the 2.1 (next point release) milestone on Oct 3, 2016
dstansby

dstansby commented on Mar 6, 2017

@dstansby
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Yes please. I was just about to open a bunch of issues for ax.arrow()...

self-assigned this
on Mar 6, 2017
dstansby

dstansby commented on Jun 17, 2017

@dstansby
Member

Having another look into the whole arrow business(/mess), and it looks like Arrow and FancyArrow are arrows where all the vertices are rigidly fixed in data space, which I think is something useful to have.

efiring

efiring commented on Jun 18, 2017

@efiring
Member

Why is that useful? It makes them behave badly when anything changes the aspect ratio.

dstansby

dstansby commented on Jun 18, 2017

@dstansby
Member

In response to the the original report, I'm happy to add tests, and I think it's now clear what the units are for drawing the arrows (#8770). They might not be the best way to draw an arrow in 99% of use cases, but as long as they're well documented (which I'm happy to do) I don't really see a need to get rid of them.

modified the milestone: 2.2 (next next feature release) on Jul 11, 2017
changed the title [-]Deprecate Arrow and FancyArrow[/-] [+]document and test Arrow and FancyArrow[/+] on Jul 11, 2017
removed their assignment
on May 12, 2019

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    Documentationstatus: closed as inactiveIssues closed by the "Stale" Github Action. Please comment on any you think should still be open.status: inactiveMarked by the “Stale” Github Actiontopic: arrow

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      document and test Arrow and FancyArrow · Issue #7213 · matplotlib/matplotlib