Re: lighting front and back of facets

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Michael Jones (mtj++at++babar)
Fri, 3 Nov 1995 10:42:20 -0800

On Nov 3, 9:43am, ken sartor wrote:
> Subject: lighting front and back of facets
:
:Hi -
:
:This is not really a performer question but it is a graphics
:question....

All graphics questions are Performer questions. ;-)

:How can one get both the frontface and the backface of a facet
:to be rendered? At present i am using no particular material
:or lighting scheme, just whatever the defaults are. If i turn:

[...]

:So, how would it know what the value of the back side of the
:facet would be? (I want them to be entirely decoupled from
:each other.)
:
:Suggestions would be *GREATLY* appreciated!!!

Use a front material and a back material. Since your example
is in IRIS GL code, take a look at the lmdef() man page.

-- 


Be seeing you,      Phone:415.933.1455  Fax:415.965.2658 M/S:8U-590
Michael T. Jones    Silicon Graphics, Advanced Systems Division
mtj++at++sgi.com         2011 N. Shoreline Blvd., Mtn. View, CA 94039-7311
                    "Du musst Amboss oder Hammer sein" -- Goethe

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