[vtkusers] Graph interactor styles?

[David Doria]

Using a vtkGraphLayoutView, is there any way to select a vertex and
highlight the edges connected to it? That is, in this selection:

http://rpi.edu/~doriad/VTK_List/selection.jpg

<http://rpi.edu/~doriad/VTK_List/selection.jpg>current only the vertex gets
highlighted, but I want to also highlight the two edges that the selection
intersects.

Thanks,

David
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