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Clarify the effect of PolygonCollection properties on Quiver #20301

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May 25, 2021
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Clarify the effect of PolygonCollection properties on Quiver #20301

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7 changes: 6 additions & 1 deletion lib/matplotlib/quiver.py
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Expand Up @@ -38,6 +38,11 @@
*X*, *Y* define the arrow locations, *U*, *V* define the arrow directions, and
*C* optionally sets the color.

Each arrow is internally represented by a filled polygon with a default edge
linewidth of 0. As a result, an arrow is rather a filled area, not a line with
a head, and `.PolyCollection` properties like *linewidth*, *linestyle*,
*facecolor*, etc. act accordingly.

**Arrow size**

The default settings auto-scales the length of the arrows to a reasonable size.
Expand Down Expand Up @@ -188,7 +193,7 @@

Returns
-------
matplotlib.quiver.Quiver
`~matplotlib.quiver.Quiver`

See Also
--------
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