[Matplotlib-users] Autoscaling after adding patches (and annotations)

[Elan Ernest]

To add a patch to an axes use `ax.add_patch()`.

If you have several patches, consider using a collection, as shown in 
https://matplotlib.org/gallery/shapes_and_collections/collections.html 
or 
https://matplotlib.org/gallery/shapes_and_collections/patch_collection.html

Am 21.03.2019 um 15:44 schrieb Neal Becker:
> In this code, I add polygons and text annotations.  The result is plotted on
> axes scaled [0..1], not autoscaled to match the data.  If I add e.g., a
> scatterplot of the polygon centers, the result in scaled fine.  What's an
> easy way to get the axes to scale correctly in this example?
>
> for i, center in enumerate(centers):
>      circle = mpl.patches.RegularPolygon ((center.real, center.imag), 6, 1,
> fill=False, clip_on=False, linestyle='-', orientation=30*pi/180)
>      ax.add_artist (circle)
>      ax.annotate (beam_colors[i], xy=(center.real, center.imag),
> textcoords='offset points', xytext=(-3,3))
> plt.show()
>
>
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