In article <3ea807ba@news.povray.org>,
 Simon Adameit <sim### [at] gaussschule-bsde> wrote:

> It's not about being able to see both surfaces but about the rays not 
> ending up parallel. 

Parallel? Rays that start out parallel will stay parallel.


> You could use a lower ior to compensate for this but 

Ah, you are thinking of using ior. With a single-surface window, you 
would obviously not use an ior.


> this will make fresnel reflection look all wrong.

Why are you using fresnel reflection?


> > Well, as I've been saying, you can probably get a reasonable one-way 
> > effect by good lighting. 
> 
> lightning?

No, lighting.


> >But I don't see how the slope pattern can help 
> 
> The same way object or gradient(if the window is flat) pattern can help.

I now see how you were applying the object pattern, but not the slope 
pattern. What are you using it for?

-- 
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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