I submitted this to the list a while back but it (and a couple other
messages) never made it -- at least it never showed up in the digest
version of the list.  (BTW: Has anyone else had problems with messages
not showing up?  Or showing several days late?)......

Does anyone know of a relatively straightforward way to pick "through"
the transparent part of a texture?  I dug through the mail archives
and from what I could see the simplest approach is to figure out the
texture coordinate from the intersection and then, I guess, sample the
texture image to see if that pixel is transparent.  Any other
suggestions?

I haven't played with images very much.  Is there some general way to
tell if a pixel in an image is "transparent"?

I have a suggestion for the next go round of Java 3D: Allow
intersection determination based on texture transparency (or something
similar, perhaps a texture "key" value or range of values).

--jon
____________________ Peculiar Technologies ____________________
Jon Barrilleaux       3800 Lake Shore Ave.         Purveyors of
[EMAIL PROTECTED]        Oakland, CA 94610      Alternate Reality
510.444.4370 voc                           Augmented Simulation
510.444.0231 fax        www.augsim.com         and 3D Solutions

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