In article <3eb95e15$1@news.povray.org>,
 "Andrew Coppin" <orp### [at] btinternetcom> wrote:

> Questions, questions...
> 
> Does anyone know the physics behind holograms?

http://www.wikipedia.org/w/wiki.phtml?search=hologram&go=Go
http://www.everything2.com/index.pl?node_id=615788


> More to the point, can I draw one with POV-Ray? :-)

A hologram requires optical effects that POV can not simulate directly. 
You may be able to get something close to what a hologram made with a 
very long wavelength would look like by combining functions, but it 
would not work very well and would be very slow.

-- 
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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