# When I use QVTKOpenGLStereoWidget

**URL:** https://discourse.vtk.org/t/when-i-use-qvtkopenglstereowidget/5723
**Category:** Support
**Created:** [May 7, 2021, 8:15am UTC](https://discourse.vtk.org/t/when-i-use-qvtkopenglstereowidget/5723 "2021-05-07T08:15:33Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![loufear](https://discourse.vtk.org/user_avatar/discourse.vtk.org/loufear/32/3150_2.png) [@loufear](https://discourse.vtk.org/u/loufear)
#### Post date: [May 7, 2021, 8:15am UTC](https://discourse.vtk.org/t/when-i-use-qvtkopenglstereowidget/5723/1 "2021-05-07T08:15:33Z")

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QVTKOpenGLStereoWidget actor ghosting \* When mouse events are triggered

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### Author: ![loufear](https://discourse.vtk.org/user_avatar/discourse.vtk.org/loufear/32/3150_2.png) [@loufear](https://discourse.vtk.org/u/loufear)
#### Post date: [May 7, 2021, 8:18am UTC](https://discourse.vtk.org/t/when-i-use-qvtkopenglstereowidget/5723/2 "2021-05-07T08:18:14Z")

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![vtk9.0Render](https://discourse.vtk.org/uploads/default/original/2X/1/147e342172788fab70da388215d0f039237b4f6d.png) Uploading: vtk9.0Render.png…