In article <396329b5@news.povray.org>, "Marc-Hendrik Bremer" 
<Mar### [at] t-onlinede> wrote:

> is it possible to make or fake some heat flickering in pov? I think 
> in real life the flickering happens because of different IORs of the 
> 'surfaces' between air at different temperatures - that is probably 
> not possible in pov, is it?

No, it isn't. And although it isn't impossible to do, getting it to work 
in POV would probably be difficult.


> So, how to fake this? I tried already a normal on an object with 
> filter 1, but nothing appeared ...

Did you remember to give the object an ior in the interior statement?
You are on the right track, some people have simulated the "mirage" 
effect with multiple layers of objects with different ior's, a single 
object with a normal should be sufficient for many situations.

-- 
Christopher James Huff - Personal e-mail: chr### [at] maccom
TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
Personal Web page: http://homepage.mac.com/chrishuff/
TAG Web page: http://tag.povray.org/

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