[vtkusers] summary ? GUI for VTK

[Mark Beall]

>* Pipeline viewer
>+++++++++++++++++
>         The tricky one :) Visual Representation of the VTK pipeline.
>         Needless to say that I love the one from Principia Mathematica :
>         
>http://www.principiamathematica.com/products/pipeline_editor/index.htm
>
>         I've got a friend working in Operational Research and Graph 
>Theory, I'm gonna ask him if he could send me some (easy to understand) 
>papers related to this difficult problem that is "Graph layouting". I've 
>been looking through the web yesterday, and found no OpenSource package (in 
>Python or else) doing such stuff. Any clues would be welcome. Some of us 
>might work on that issue :) ? Algorithms will be fine, implementation will 
>be straightforward :)

In various travels on the net I ran across this:

http://www.research.att.com/sw/tools/graphviz/

mark