Am 12.09.2012 um 11:19 schrieb "Duan,Lin" <[email protected]>:
> ...
>
> How can I do , so it can performed as expected (first graph)?
I think you can't: from what I understand you are trying to perform a rotation
in 3D space, whereas QGraphicsScene/View only manage 2D (or "pseudo 3D" aka
2.5D, if you take the "depth" z-coordinate into account) objects.
Use a "proper" 3D scene (QGLWidget) or try the new "Qt Quick3D" module!
Cheers,
Oliver
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