8000 Backport PR #23390: FIX: colorbar contour with log norm should defaul… · matplotlib/matplotlib@88a1537 · GitHub
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Backport PR #23390: FIX: colorbar contour with log norm should default to log locator and formatter...
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‎lib/matplotlib/colorbar.py

Lines changed: 5 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1167,7 +1167,11 @@ def _reset_locator_formatter_scale(self):
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self._minorlocator = None
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self._formatter = None
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self._minorformatter = None
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if (self.boundaries is not None or
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if (isinstance(self.mappable, contour.ContourSet) and
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isinstance(self.norm, colors.LogNorm)):
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# if contours have lognorm, give them a log scale...
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self._set_scale('log')
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elif (self.boundaries is not None or
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isinstance(self.norm, colors.BoundaryNorm)):
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if self.spacing == 'uniform':
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funcs = (self._forward_boundaries, self._inverse_boundaries)

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