[vtkusers] selecting points

[David Doria]

2011/12/19 Boehm, Lukas <Lukas.Boehm at cellent.de>:
> This solution is nearly perfect. There's only the problem that I do not
> want the polygon to be filled. Because in a filled polygon the user
> cannot see the selected points.
>
> How can I draw the polygon without filling it? I want to see only the
> borders, so I can see the points within the polygon.
>
> Thank you for this solution!
> Lukas

I'd just use a vtkPolyLine instead of a vtkPolygon:
http://www.vtk.org/Wiki/VTK/Examples/Cxx/GeometricObjects/PolyLine