Spline fog functionality

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rupprecr++at++adadv1.mdc.com
Mon, 24 Jul 1995 08:29:45 -0500

Has anyone implemented spline fog and have it work as described in
the Performer Manual Reference pages?

"The range value is specified in a normalized form in the numberic
range [0..1], with 0.0 corresponding to the fog onset range (plus
offset) and 1.0 the fog opaque range( plus offset). This allows the
ranges to be changed while maintaining the same fog density curve".

This means to me that at some range from the eyepoint (fog onset
range) the fog will begin and the fog table will specify the density
of the fog up to the fog oqaque range. I've tried this but the fog
always seems to start at the near clip plane. Am I reading this
wrong?

Thanks in advance,
Rich Rupprecht
MDTS
(rupprecr++at++adadv1.mdc.com)

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