Hi LaoyeChan,

you could do it with RhinoScript. It's possible to make the material
with Grasshopper (see: 
http://groups.google.com/group/grasshopper3d/web/t_gradient.png
), but you cannot bake it yet.

--
David Rutten
[email protected]
Robert McNeel & Associates


On May 4, 7:32 am, LaoyeChan <[email protected]> wrote:
> hello there,
> suppose i have 100 faces here marked no.1 to no.100, i'd like to set
> their transparancy 1% to !00%,matching their no.,can i get it done
> with grasshopper or rhinoscript? thank you:D

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