FIX: Only send one update signal when autoscaling norms#25079
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ksunden merged 1 commit intomatplotlib:mainfrom Jan 25, 2023
Merged
FIX: Only send one update signal when autoscaling norms#25079ksunden merged 1 commit intomatplotlib:mainfrom
ksunden merged 1 commit intomatplotlib:mainfrom
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Signal are sent for every vmin/vmax update, when autoscaling we were changing vmin/vmax to None, then updating them which would cause 4 update signals to be sent. We really don't care about the intermediate signals and only want a single one sent after all the udpates are complete.
jklymak
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Jan 25, 2023
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| with self.callbacks.blocked(): | ||
| # Pause callbacks while we are updating so we only get | ||
| # a single update signal at the end | ||
| self.vmin = self.vmax = None | ||
| self.autoscale_None(A) |
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Maybe just?
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| with self.callbacks.blocked(): | |
| # Pause callbacks while we are updating so we only get | |
| # a single update signal at the end | |
| self.vmin = self.vmax = None | |
| self.autoscale_None(A) | |
| if A.size(): | |
| self.vmin = A.min() | |
| self.vmax = A.max() |
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subclasses overwrite autoscale_None() to handle that themselves, so I think we need to defer to their implementations. I'd save that for another PR if someone wants to tackle it.
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I'm still a little grumpy about |
jklymak
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ksunden
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meeseeksmachine
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…utoscaling norms
QuLogic
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…079-on-v3.7.x Backport PR #25079 on branch v3.7.x (FIX: Only send one update signal when autoscaling norms)
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PR Summary
Signal are sent for every vmin/vmax update, when autoscaling we were changing vmin/vmax to None, then updating them which would cause 4 update signals to be sent. We really don't care about the intermediate signals and only want a single one sent after all the updates are complete.
closes #25077
NOTE: The colorbar says "if not norm.scaled(): set vmin/vmax to 0, 1" which doesn't work for the LogNorm scales. Perhaps we should also change that arbitrary 0, 1 expansion. But, this at least makes sure we don't go through the
vmin=Nonepath here while we are actively updating the norm.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