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invalidateViewport();
invalidateVisualization();
deprecate3DLayer();

When I was sorting out the code, after seeing a lot of setcameraposs, I entered these three codes, and I couldn't understand what these three codes do. I have seen your comment, but I don't understand what it does.

It tells CC to recompute these various matrices / information the next time it will render the 3D view.

Thank you for your answer