[vtkusers] Extract region with vtkTracerInteractorStyleImage

[David Doria]

On Wed, Aug 14, 2013 at 6:31 PM, Fabian Torres <dae.wong at gmail.com> wrote:
> Sorry the name is vtkInteractorStyleImage.
> vtkTracerInteractorStyleImage is the name of my class.

You might look at the way it is done in vtkImageTracerWidget. Here is
a demo to make sure the functionality is what you need:
http://www.vtk.org/Wiki/VTK/Examples/Cxx/Widgets/ImageTracerWidgetInsideContour

David