How update projection when transformation matrix is applied to a 3D scene?

Regina Henschel regina.henschel at
Tue Dec 7 16:27:12 UTC 2021

Hi all,

I'm going to correct errors in custom shape extrusion. That is in

The current solution calculates a transformation matrix aNewTransform 
and applies it to the scene by pScene->NbcSetTransform in #659

Later it separately calculates the rectangle which is needed as 
boundRect for the projection result and sets it at the scene in #763 to #768

Isn't there a different way to force a scene to calculate the projection 
of the changed scene and use that new rectangle?

         E3DModifySceneSnapRectUpdater aUpdater(pScene);
instead of
does not work.

Kind regards

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