QPixmap core dumped

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Dear experts:
I am running this script. And I get the error below.

[cid:b26c9e16-3a3f-4f54-892f-618563ed9483 at eurprd03.prod.outlook.com]
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Hi Andrade,

what you report is not an MNE issue it's a mayavi issue.

you may want to test the pyvista backend in the 0.20 version

Alex

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Dear experts:
I am running this script. And I get the error below.

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Sorry I am so ignorant so many times about this topic.
I have installed pyvista but I don't have a clear idea about this. So I might ask few questions.

When I run my code. Instead of using mayavi it will use pyvista? Do I have to uninstall mayavi then? Or it will use both?

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You should use this function:

https://mne.tools/stable/generated/mne.viz.set_3d_backend.html#mne.viz.set_3d_backend

No need to uninstall mayavi. You can switch back and forth between the two.

Mainak