> You can get this effect by making the surface not quite fully
> transparent. If you think about what causes shadows you should realize
> why this is necessary.
I'm not sure if I understood you right, but I think you're telling
him how an object casts shadows, while he wants to know how
an object may be invisible, except for shadows falling ON it.
But I don't know how that could be achieved.
--
Tim Nikias
Homepage: http://www.digitaltwilight.de/no_lights/index.html
Email: Tim### [at] gmx de
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