In article <web.3d44b783314cfd0118ccf4f70@news.povray.org>,
 "Rohan Bernett" <rox### [at] yahoocom> wrote:

> I know the IORs of water and glass are 1.33 and 1.5, but there are a number
> of materials that it would be handy to know the IORs for.
> 
> Perspex
> PET (plastic, recycling number 1)
> Pyrex
> Quartz glass
> 
> If anyone can give the IORs of these substances (and any others) please
> reply to this message with them.

Look in consts.inc. Perspex is plexiglass, at 1.5. Polyethylene isn't in 
there, I'd guess at around 1.2. Pyrex isn't in there either, but I'd 
guess at somewhere from 1.5-1.6. Quartz glass is there, at 1.458.

-- 
Christopher James Huff <chr### [at] maccom>
POV-Ray TAG e-mail: chr### [at] tagpovrayorg
TAG web site: http://tag.povray.org/

Post a reply to this message