Warp <war### [at] tagpovrayorg> wrote in news:3e19873f@news.povray.org:

> Tor Olav Kristensen <tor### [at] hotmailcom> wrote:
>>>> M = (Pa+Pb)/2
>>>
>>>  Just for the sake of curiosity: This is also called average. :)
> 
>> Warp, I'm a little curious too:
>> Can you explain how it makes sense to
>> calculate the average of two points ?
> 
>   It makes perfect sense: The average of two numbers is the number
>   which is 
> exactly in the middle of them. In the same way the average of two
> points is the point which is exactly in the middle of them.

http://www.flipcode.com/geometry/issue08.shtml
http://www.flipcode.com/geometry/issue09.shtml


Tor Olav

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