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Legend guide addition#24707
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Legend guide addition#24707
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Ah, shoot. I didn't check indentation. Sorry about that. |
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rcomer commentedDec 22, 2022 • edited
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Hi@matthewelmer, thanks for the proposal. This is a neat solution for getting the legend nicely placed with current Matplotlib capability. However, you may be interested in the proposed new functionality at#19743. I think this will allow users to get the desired layout more simply: importnumpyasnpimportmatplotlib.pyplotaspltfig,axes=plt.subplots(1,3,layout="constrained")eta=np.linspace(0,1)cap_lambda_vals=np.array([-24,-12,0,12,24])forcap_lambdaincap_lambda_vals:# Some dataf=2*eta-2*eta**3+eta**4+cap_lambda*eta/6* (1-eta)**3df_deta=2-6*eta**2+4*eta**3+cap_lambda/ \6* (1-6*eta+9*eta**2-4*eta**3)d2f_deta2=-12*eta+12*eta**2+ \cap_lambda/6* (-6+18*eta-12*eta**2)# Plot dataaxes[0].plot(f,eta,label=f"$\Lambda ={cap_lambda}$")axes[1].plot(df_deta,eta,label=f"$\Lambda ={cap_lambda}$")axes[2].plot(d2f_deta2,eta,label=f"$\Lambda ={cap_lambda}$")# Add a legend to the figure, using the handles from the plot you want to# create the legend for.fig.legend(loc="outside upper center",ncol=len(cap_lambda_vals),handles=axes[0].get_legend_handles_labels()[0],mode="expand")plt.show()
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That's great! Thank you for bringing this to my attention. I'm happy to hear that a feature I have wanted for so long is being implemented! |
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PR Summary
This pull request adds an example to the legend guide. While the legend guide already has a nice way of putting a legend above a subplot, it didn't have an example showing how to do a common legend above multiple subplots. I found a pretty good way to do it, and I wanted to share!
PR Checklist
Documentation and Tests
pytestpasses)Release Notes
.. versionadded::directive in the docstring and documented indoc/users/next_whats_new/.. versionchanged::directive in the docstring and documented indoc/api/next_api_changes/next_whats_new/README.rstornext_api_changes/README.rst