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Widgets: RectangleSelector in Mpl 2.1.0 does not behave as described #9608
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API: changesChanges to the public API, typically requiring deprecation.Changes to the public API, typically requiring deprecation.Documentationstatus: closed as inactiveIssues closed by the "Stale" Github Action. Please comment on any you think should still be open.Issues closed by the "Stale" Github Action. Please comment on any you think should still be open.status: inactiveMarked by the “Stale” Github ActionMarked by the “Stale” Github Actiontopic: widgets/UI
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API: changesChanges to the public API, typically requiring deprecation.Changes to the public API, typically requiring deprecation.Documentationstatus: closed as inactiveIssues closed by the "Stale" Github Action. Please comment on any you think should still be open.Issues closed by the "Stale" Github Action. Please comment on any you think should still be open.status: inactiveMarked by the “Stale” Github ActionMarked by the “Stale” Github Actiontopic: widgets/UI
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In Python 3.6.3 and the related matplotlib (just compiled from sources) the RectangleSelector does no longer behave as in Python 2.7 and as is described. Instead of returning the mouse click coordinates in the event variable eclick and the release coordinates in erelease it returns the lower left corner in eclick and the upper right corner in erelease. This "normalization" reduces the information content and, thus, the usability of the selector. Only using the old version a user can switch to drawmode='line' and use the selector to input a displacement vector.