Johannes Dahlstrom <sad### [at] tkukoulufi> wrote:

> Kaveh wrote:
> 
> > Thanks Johannes. I haven't come across this construction, and can't find
> > it in the manual. Can you give me a hint as to where I can find more
> > information on this?
> > 
> 
> You mean the ? : ternary operator? Basically, it works like a simple 
> if/else construct:
> 
>  #if(<expression>) <do_this> #else <do_that> #end
> 
> is the same as:
> 
>  (<expression>) ? <do_this> : <do_that>
> 
> That is, if <expression> returns true, it executes the <do_this> part,
> otherwise the <do_that> part.
> 
> In the POV manual: 
> 6.1.3.3 Float Operators
> http://www.povray.org/documentation/view/137/

Got it. Except you had == which according to the manual should be =. I
did a search for == but couldn't find it. I would have guessed == too!

-- 
Kaveh

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