[vtkusers] how to reset vtkImageReslice ?

[Emmanuel Olart]

Hi

I have many vtkImageReslice in differents renderWindow ( imageData ->
reslice -> texture -> planeSource -> dataSetMapper -> actor -> Renderer
-> RenderWindow)

  atext = vtkTexture()
  atext.SetInput(reslice.GetOutput())
  atext.SetLookupTable(self.lut)
  atext.InterpolateOn()

  # need a plane to texture map onto
  plane = vtkPlaneSource()
....
  # mapper for the textured plane
  mapper = vtkDataSetMapper()
  mapper.SetInput(plane.GetOutput())

  imagePlaneActor = vtkActor()
  imagePlaneActor.SetMapper(mapper)
  imagePlaneActor.SetTexture(atext)

  CurrentRenderer.AddActor(self.imagePlaneActor)

My renderWindow s are not visible all together. So i'd like to free the
memory used by hidden ones. How can i do this ? (i think freeing the
memory used by the vtkImageData (input of the vtkImageReslice) should do
it but i don't know how to do it).
Could someone help me ?
Thx
Manu
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