[vtkusers] Pick points on all polygon surfaces

[David Gobbi]

Use vtkCellPicker.  Do a Pick and then call GetPickedPositions().

 - David

On Thu, Mar 24, 2011 at 8:36 AM, zlf <jxdw_zlf at yahoo.com.cn> wrote:
> Hi
>
> Given a 2D coordinate (x,y) , how to get all 3D points on the polygon
> surfaces whose 2D projection point equals (x,y)?
>
> Thanks
>
> superZZ