Vispy canvas as a widget in a non-vispy Qt application.

[Yuri Spitsyn]

I have a Qt application (non-vispy) that needs to use some visualization. The search led me to vispy.
From glancing over documentation it seems like vispy Canvas requires vispy Application. Is it so or there is a way to embed Canvas into a non-vispy Qt application?

[Almar Klein]

Hi Yuri,

Yes, a canvas needs an Application, but each Application is just a
wrapper around a real application object, which with Qt, is a genuine Qt
application. Actually, if you first import PySide/PyQy4, and then create
a vispy.app.Canvas(), the Canvas will use Qt, and you can embed the
widget in your application, without worrying about the Application
object. For example:

canvas = app.Canvas(parent=widget)
widget.layout().addWidget(canvas.native)


For an example see e.g.
https://github.com/vispy/vispy/blob/master/examples/tutorial/app/shared_context.py

Regards,
Almar

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[Yuri Spitsyn]

Nice!

Thanks, Almar.