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Polygon selector with useblit=True - polygon dissapears #17487

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Stassels opened this issue May 22, 2020 · 3 comments
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Polygon selector with useblit=True - polygon dissapears #17487

Stassels opened this issue May 22, 2020 · 3 comments
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status: confirmed bug topic: widgets/UI
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v3.4.0

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@Stassels
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When I use this example: https://matplotlib.org/3.1.3/gallery/widgets/polygon_selector_demo.html
and want to use blitting (see line below), the selection polygon dissapears when polygon is finalized.

self.poly = PolygonSelector(ax, self.onselect, useblit=True)

**Matplotlib version: 3.1.2 **

  • Operating system: Ubuntu 16.04
  • Matplotlib version: 3.1.2 (from pipy.org)
  • Matplotlib backend (`Qt5Agg'):
  • Python version: 3.7.6
  • Other libraries: PySide2 - 5.14.2
@QuLogic
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QuLogic commented May 22, 2020

Possibly somewhat related to #17476, @anntzer?

@anntzer
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anntzer commented May 22, 2020

Probably the same kind of problem, but active is not getting toggled and it's not immediately obvious to me where the background update is missing.

@tacaswell tacaswell mentioned this issue Jun 9, 2020
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@QuLogic
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QuLogic commented Oct 2, 2020

This is also fixed by #17480.

@QuLogic QuLogic closed this as completed Oct 2, 2020
@QuLogic QuLogic added this to the v3.4.0 milestone Oct 2, 2020
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status: confirmed bug topic: widgets/UI
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v3.4.0
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@QuLogic @anntzer @timhoffm @Stassels