In article <Xns### [at] 204213191226>,
 "Rafal 'Raf256' Maj" <raf### [at] raf256com> wrote:

> Sound can be interpreted like a special type of... wave, and therefore it 
> can be traced just as light do :

Wrong. POV does not simulate the wave nature of light. It can get away 
with a pure particle simulation because the wavelengths of light are so 
small, so the effects are usually invisible or unnoticed. There are 
special cases where wave effects are faked, like iridescence or 
dispersion, but overall POV treats light as particles with RGB 
intensities.
Sound has a much larger wavelength (for example, a 5 KHz sound in normal 
conditions has a wavelength of about 7cm, 500Hz about 0.7m) and travels 
at a much lower speed, so effects such as lag time and diffraction have 
much greater importance. Raytracing techniques may have some application 
in sound simulation (though I doubt it), but you would want a program 
designed from the start for it.

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/

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