[vtkusers] Breaking the pipeline

[Mathias Haack]

Hi all,

I have the following pipeline with VTK 4.0.2:
png image -> vtkPNGReader -> vtkImageData -> vtkImageActor -> ... -> display

It works as it is supposed to be. Now I want to alter the vtkImageData using
an image filter like vtkImageFlip, first I deepcopy the vtkImageData,
using vtkImageFlip and deep copy it back to the vtkImageData.
The result is an unchanged image on my display. I suppose the pipeline will
read the image again (or use the cached image from the reader).

I need to break the connection between the image reader and vtkImageData.

How can I achieve this?


Matthias

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