Folks:

  Sort of a dumb question I think, but here goes:

  I'm trying to use the existing wood textures to build a mock up of an
object.  I want to 'fade' the outside plywood by setting it partially
transparent via animation to show the internal wood structure.  I know I can
do this by playing with the pigments and all, but how can I do it without
changing the library textures (pigments / etc)?

  i.e. something like this

#define seethrough 0.9

  texture { T_Wood2 transparency seethrough }

(I'd vary seethrough obviously).  I can handle all of this but I'm missing
the syntax on how to do the transparency.  (Might be the wrong keyword,
although I did look at the syntax)

  Thank you,

        == John ==

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