Hi Josh:

        Good suggestions, thank you.

        But that is more work than simply to just not add the null shape to the
Switch so that's what I am opting to do (:  But your suggestion is good.

cheers,
Mona

> Why not extend the Switch class with your own that implements the
> behaviour you expect. Then, you Switch class can maintain the indexing
> your prefer, keeping track of which nodes in the underlying switch are
> null.
>
> josh
>
> ----------------------------------------------------
> Joshua L. Richmond, BASc, MSc.
> Systems Design Engineering /
> Orbital Express Program
>
> MD Robotics
> 9445 Airport Rd, Brampton, ON, Canada
> (905) 790-2800 x4332
> http://www.mdrobotics.ca
> -----------------------------------------------------


==================================================================
Mona Wong-Barnum
National Center for Microscopy and Imaging Research
University of California, San Diego
http://ncmir.ucsd.edu/

"Circumstances don't make a man, they reveal him"
                        -- James Allen
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