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https://stackoverflow.com/questions/33277566/using-a-proxy-artist-inside-a-legend-matplotlib-python
Using a proxy artist inside a legend, matplotlib, Python. Ask Question Asked 5 years, 4 months ago. ... you need to grab the scatter and plot artists as you plot them, and then feed the handles and labels from them to legend. For example, here's your code modified (with some sample data at the beginning just to …
http://omz-software.com/pythonista/matplotlib/users/legend_guide.html
Using Proxy Artist ¶ When you want to display legend for an artist not supported by matplotlib, you may use another artist as a proxy. For example, you may create a proxy artist without adding it to the axes (so the proxy artist will not be drawn in the main axes) and feed it to the legend function.:
https://matplotlib.org/stable/tutorials/intermediate/legend_guide.html
Jan 28, 2021 · Proxy artists) ¶ Not all handles can be turned into legend entries automatically, so it is often necessary to create an artist which can. Legend handles don't have to exist on the Figure or Axes in order to be used. Suppose we wanted to create a legend which has an entry for some data which is represented by a red color:
http://www.itgo.me/a/5890179972586152298/using-a-proxy-artist-inside-a-legend-matplotlib-python
Recommend：python - How to add a string as the artist in matplotlib legend letter) which is then labelled. For example I would like a legend for the following figure: import numpy as npimport matplotlib.pyplot as pltimport stringN = 7x = np.random.rand(N)y = np.random.rand(N)colors = np.random.rand(N)area
https://github.com/matplotlib/matplotlib/issues/9607
def get_legend_artist(self): proxy = copy.copy(self) proxy.set_ms(5) return proxy.get_legend_artist() for line in ax.lines: line.get_legend_artist = get_legend_artist where the patching can be moved into a helper function, which can be called next to where the Line2Ds are added to the plot, instead of having to include code next to the call to ...
https://sourceforge.net/p/matplotlib/mailman/message/28292395/
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https://riptutorial.com/matplotlib/example/10473/single-legend-shared-across-multiple-subplots
The second argument to fig.legend() is also necessary. It is supposed to be a list of strings to use as the labels for each line in the legend. The other arguments passed on to fig.legend() are purely optional, and just help with fine-tuning the aesthetics of the legend.
https://riptutorial.com/matplotlib/example/32429/multiple-legends-on-the-same-axes
matplotlib documentation: Multiple Legends on the Same Axes. Example. If you call plt.legend() or ax.legend() more than once, the first legend is removed and a new one is drawn. According the official documentation:. This has been done so that it is possible to call legend() repeatedly to update the legend to the latest handles on the Axes
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