[vtkusers] vtkImageThresholdConnectivity

Maarten Beek beekmaarten at yahoo.com
Fri Sep 5 12:40:33 EDT 2014

Hi all,

I have a problem with vtkImageThresholdConnectivity in a pipeline with vtkImageSlice.

The vtkImageSlice reduces the extent of the image to the slice that is visible, and vtkImageThresholdConnectivity allocates its output accordingly. However it then takes the scalar pointer of the output for the extent of the (3d) input image.
This happens on line 448 of vtkImageThresholdConnectivity.cxx (VTK 6.1.0).

Is this a bug, or am I doing something wrong?

Thanks - Maarten
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