[vtkusers] Retry - vtk4.0 regen pipline.

[D.M.P.Davies]

Prabhu Ramachandran wrote:

> Its not clear to me as to what exactly you want to do.  Can you
> provide a small code snippet (say 5-10 lines) that clearly illustrates
> the problem. Then maybe folks will understand what you mean and
> answer.
>
> prabhu

Ok,

I've run a pipline such as :

vtkVectorText BT
    BT SetText "-----DISPLAY TEXT---------"
vtkLinearExtrusionFilter BL
 BL SetInput [$BT GetOutput]
vtkPolyDataMapper BM
    BM SetInput [BL GetOutput]
vtkActor BA
    BA SetMapper BM
Renderer(.backdrop.drawing) AddActor BA
Render .backdrop.drawing

This gives me a correct rendered display - I then do from tcl:

BT SetText   "---Change Display Text -----"
Render  .backdrop.drawing


In 3.2 the display changed - in 4.0 it doesn't.

Note : I am using an old version of  TkInteractor- holds Render proc  !! (modified for my own
use)


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