[vtkusers] Read data from Callback function

[David Doria]

On Tue, May 21, 2013 at 4:28 PM, Massinissa Bandou
<Massinissa.Bandou at usherbrooke.ca> wrote:
> Hi all!
>
> Can anyone tell me how to read data from a callback function? For example I
> want to read a matrix of vector *row* anytime during the interaction with
> points. Is it related to clientdata?
>
> thank you for your advice!

Have you seen these?

http://www.itk.org/Wiki/VTK/Tutorials/Callbacks
http://www.vtk.org/Wiki/VTK/Examples/Cxx/Interaction/ClientData

David