[vtkusers] vtkPolyDataConnectivityFilter

[R K Shyamprakash]

Hello All,
                I need to extract one of the regions in my polydata. For
this I use vtkPolyDataConnectivityFilter. Using this class if I set the
region id i can extract that particular region. But my problem is, how can I
select a particular reagion programmatically(say by clicking on a particular
reagion I want to get its region id and then extract it). Can somebody tell
me how to solve this.

Thanks
Shyam