[Qt-interest] Drawing two QGraphicsScenes on one QGLWidget

[Nick Spacek]

Hello,

I'm trying to figure out the best way to draw two different QGraphicsScene
over top of eachother. I want to be able to blend and transition them
together, something like what is done here:
http://daniel.molkentin.de/blog/archives/95-Leveraging-Qt-For-Smooth-Transition-Effects.html

Well, attaching two scenes to a single view doesn't work (obviously). Two
different views can't both have their viewport set to the same GL widget. To
be able to blend like the example above, I would need to set the opacity of
the GL painter between the drawing of each scene.

Thanks for any suggestions!
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