Try using the alpha test function in RenderingAttributes instead of
transparency attributes.

Dave Yazel

----- Original Message -----
From: Leyland Needham <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, April 26, 2001 2:05 AM
Subject: [JAVA3D] Bill board transparency, alpha test based...


Im not sure what to call it, but I want to do a bit mask kind of
transparency
for texture mapped billboard type objects. In OpenGL this is done by alpha
testing, and if the alpha value is below 0.5 its transparent and if its
greater or equal to 0.5 then its opaque. Also another characteristic of this
sort of transparency is that there is no sorting needed because there is no
partial transparency. So does Java3D support this, and if it does, how would
I go about getting content in Java3D to support this? I use 3d Studio Max
and
I would like to export in some format that would support this (like vrml or
some other). Any suggestions?

Thanks,
Leyland Needham

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