is there any simple way to let povray calculate the surface area and volume
of an object?
For example, for a buoy, whose mass depends on it's surface area, it's
displacement beneath the water surface could be calculated very easily if
there were functions to calculate the volume & surface area of the buoy in
povray.
of course I could calculate this manually also, but it would be a lot easier
if povray could do this.


-- 
Q: How many mathematicians does it take to screw in a light bulb?
A: One.  He gives it to six Californians, thereby reducing the problem
 to the earlier joke.

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