Fix shared GeoAxes zoom not propagating to sibling subplots#2652
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greglucas merged 1 commit intoSciTools:mainfrom Apr 9, 2026
Merged
Fix shared GeoAxes zoom not propagating to sibling subplots#2652greglucas merged 1 commit intoSciTools:mainfrom
greglucas merged 1 commit intoSciTools:mainfrom
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greglucas
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Can you add a test for this?
I think you should be able to set_xlim/ylim on one axis and ensure that it updates the limits as you expect on the other one in your shared examples.
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Rationale
When using
sharex/shareyon cartopy GeoAxes, interactive zoom does not propagate to sibling subplots after adding features._draw_preprocess()callsautoscale_view()on every draw, resetting all shared limits to full extent._get_extent_geom()compounds this by callingautoscale_view()insidehold_limits(), which propagates resets to siblings but only restores the current axes.Closes #2637
Implications
_draw_preprocess(): clearignore_existing_data_limitsafter the firstautoscale_view(), matching matplotlib's own pattern._get_extent_geom(): readviewLimdirectly instead of callingautoscale_view(). AdataLimfallback handles the pre-draw case.