> P.S. I tried to add a button which, when clicked, would toggle the
> appropriate isosurface representation between mesh and solid ... but my
> Python/Tk programming leaves a lot to be desired!  Maybe there are some
> gurus out there who can sort it out...?

OK - I hacked a work-around which does the job for now.  Hope this is


Gareth Stockwell <gar...@ebi.ac.uk>
European Bioinformatics Institute

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