Trevor G Quayle wrote:
> Angular maps (sometimes called light probe) represent a linear interpolation of
> the environment relative to the angle from the viewing vector, which more
> evenly distributes the data. (e.g. center is 0 degrees from viewing angle, 1/4
> distance from the center is 90deg, 1/2=180deg, 3/4=270deg, edge=360deg).

Is that right?  If so, the edge is the same as the center of the image, 
since it is 360deg, and 1/2 out is the same in either direction, since 
it's 180deg?  That's rather odd.

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