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@anntzer anntzer commented Apr 18, 2020

This is consistent with Colorbar. Moreover, this will make it possibly
to ultimately merge Colorbar into ColorbarBase -- currently, they only
differ by the fact that a ColorbarBase doesn't have an associated
ScalarMappable, but we can just construct an empty ScalarMappable in
that case (this is already what we document as recommended approach to
construct colorbars not attached to an artist --
fig.colorbar(ScalarMappable(norm=..., cmap=...)). Right now this
merging is nearly possible except for the fact that the constructors'
signatures are a pain to combine.


An alternative strategy may be to just deprecate ColorbarBase and move it all into Colorbar, but I guess that would be more disruptive.

PR Summary

PR Checklist

  • Has Pytest style unit tests
  • Code is Flake 8 compliant
  • New features are documented, with examples if plot related
  • Documentation is sphinx and numpydoc compliant
  • Added an entry to doc/users/next_whats_new/ if major new feature (follow instructions in README.rst there)
  • Documented in doc/api/api_changes.rst if API changed in a backward-incompatible way

This is consistent with Colorbar.  Moreover, this will make it possibly
to ultimately merge Colorbar into ColorbarBase -- currently, they only
differ by the fact that a ColorbarBase doesn't have an associated
ScalarMappable, but we can just construct an empty ScalarMappable in
that case (this is already what we document as recommended approach to
construct colorbars not attached to an artist --
`fig.colorbar(ScalarMappable(norm=..., cmap=...))`.  Right now this
merging is *nearly* possible except for the fact that the constructors'
signatures are a pain to combine.
@timhoffm timhoffm merged commit 7f670ed into matplotlib:master Apr 19, 2020
@anntzer anntzer deleted the cbarbasekwo branch April 19, 2020 16:07
@anntzer anntzer mentioned this pull request Jun 3, 2021
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3 participants