"Stephen" <mcavoys_AT_aolDOT.com> schreef in bericht 
news:web.455c6b93e4e3b873f1cb1e660@news.povray.org...
>
> It depends where you are looking from. If you are close to shore the
> turbulence stirs up a lot of sand and cuts down the visibility. If you are
> offshore in deep water the sea is clearer. Also if you are higher that a
> few yards above the surface you get better visibility through the top 
> layer
> of water. I spent about sixteen years working on oilrigs and can say that
> your latest images are quire realistic. One other thing, some rust marks
> would not go amiss on your ship :-) The rust stains would come from the
> bilge pumps even on a fibreglass hull.
>

Yes, like Stephen says. I often observed from the deck of a ship that in a 
turbulent sea, once in a while, you get suddenly whole stretches of a 
perfectly smooth surface, mostly in the wave troughs of course, through 
which you can look down into the depth. It only happens for a few seconds 
and then the surface clouds over once more, as it were.

Thomas

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