[vtkusers] ImmediateModeRendering for vtkMapper2D or vtkActor2D

[Louis Desjardins]

Hi vtk experts.........

Has anyone succeeded in immediate mode rendering using a vtkActor2D object 
such as a vtkTextActor or vtkScalarBarActor???

With regular actors i can easily get immediate mode rendering using the 
vtkActor->Render() function..

However with the vtkActor2D objects there's just a function called 
RenderOverlay( Viewport) which seems to render to the screen however when I 
call this it renders on the wrong renderer!! (even though I do something 
like actor2d->RenderOverlay(Ren5) ).

Does anyone have any suggestions??

Thank you in advance for your help!!!

LD

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