[vtkusers] Get a list of selected graph vertices

[Jim Peterson]

David,
The example compiles and executes, and has no other description of what 
is intended, so my read is "it works".  I cannot determine what you 
think the intended result is, we appear to be adding two identical 
vertices, (have you verified v1 and v2 are actually different?)  and 
creating two identical edges. could you describe what is expected from 
this code?

thanks,
Jim

David Doria wrote:
> I can't seem to figure out how to get a list of selected vertices when
> using a vtkGraphLayoutView. I would expect to see some kind of
> GetSelection function either on vtkGraphLayoutView or
> vtkRenderedGraphRepresentation, but I see nothing of the sort.
>
> I tried to do this:
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/Broken/Graphs/SelectedVertices
>
> but it always says there are 0 nodes selected.
>
> Does anyone know how to do this?
>
> Thanks,
>
> David
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