Simon de Vet wrote:
> 
> The POV help file does not specify the axes, and they appear to be cartesian.
> However, I worked with these diagrams during the summer, and they were always
> in polar coordinates.
> 
> If this applies to the POV diagrams (and from their shape, I think it does),
> then the distance of the point from the (0,0) point is an indication of
> intensity, and the angle is the observation angle.
> 

I understood it that way too, just like directional characteristics of
radio antennas.  

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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