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Christopher James Huff wrote:
> In article <3ea0f666$1@news.povray.org>,
> Simon Adameit <sim### [at] gaussschule-bs de> wrote:
>
>
>>Normally glass is modeled with thickness and not just as one surface so
>>slope or object pattern might be better.
>
>
> Neither of those will be of any help in making one-way glass. If you
> make a box with one side dark and the other side light, you will either
> see the dark side directly or through the light side. I'm not sure how
> you plan to use the slope pattern...I think it is idependant of the side
> of the surface it is evaluated at.
Ah, I didn't think of that. But one could use the slope or object
pattern in the interior texture.
> Anyway, in a one-way glass window, you are unlikely to be able to tell
> the difference between thick glass and single-surface glass. With smart
> lighting and reflection values, you should be able to get an acceptable
> effect, otherwise using interior_texture or actually changing the
> texture depending on the camera location is probably the best way to go.
>
In a one-way glass window you wouldn't need the effect.
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