How to use vtkImageConnectivityFilter

[NeuZhangQiang]

I need to use the vtkImageConnectivityFilter, and I want to use the SetExtractionModeToSeededRegions method. But, I don’t know how to provide the seed (such as (50, 50)). Could somebody provide a demo?

For example:

the extent of input image is: x=[100 200], y=[100 200]
the seed is: [150 150]

[lassoan (Andras Lasso)]

This post should help:

vtk image connectivity filter

First of all, you need to upgrade to a recent VTK version. It is unreasonable to expect help with using a decade old version. You can find vtkImageConnectivityFilter documentation here. All VTK filters have tests, which you can use as examples. See the relevant test here. You can find a Python example in 3D Slicer’s “Flood filling” Segment Editor effect. If you have any specific questions you can ask it here. There is no example for this filter on VTK examples website. It would be great if yo…