[vtkusers] Place Point on Actor

[David Doria]

On Tue, Mar 6, 2012 at 7:13 AM, alex Dowson <alexdowson at hotmail.com> wrote:
> Hi
>
> How can place 3D points actor using mouse ?  Which class need to be use for
> it ?
>
> Actually I want to place more than one point on surface/polydata/actor using
> mouse . Is there any widget for that ?
>
> Alex

I just use the vtkPointPicker and store the picked points in a
vtkPolyData for display. I have done this here - it might help you get
started :
http://www.midasjournal.org/browse/publication/836

David