[pstricks] transparency not showing in Acrobat Reader

[Francisco Fortes de Brito]

I need help in the following matter: I have been doing some figures using
the package pst-solides3d. When I use the option opacity=0,or any positive
real number less than one, and I compile the .tex file with xelatex(I use
MikTeX in a PC with windows seven)  I can see the transparency effect in
the texworks pdf viewer. The same effect cannot be seen in Acrobat Reader.
I just guess that this may have something to do with Ghostscript, but it is
just a guess. By the way, the file compiles flawlessly with XeLateX.

I´ll be gratefull for any advice that could eventually lead to a solution
to this problem.

Attached the file .tex, .pdf and .log of a small example of this problem.

Francisco Brito
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