> Yes, I have read Christoph's tutorial and the water uses some
> of the things that he suggests.

Christoph has at least 2 different pages dealing with water, and based on
your image I think you refer to the toturial about setting up the
reflections, media, and to a lesser degree, the ripples... But the page I
had in mind, offers a quite complicated macro for you to download, that
simulates the behaviour of water surfaces in motion (a simplified behaviour
but better than I've seen elsewhere in POV).. Here's the link, in any case:

http://www-public.tu-bs.de:8080/~y0013390/pov/water/water_inc.html

By default it generates isosurfaces but for speed reasons, heightfields are
the better choice and it's not hard to setup to output a heightfield.. Well
the pattern will then repeat itself because you will probably copy the
heightfield to several places in the scene to fill an ocean...

But it's worth a look, if you missed it.  ;o)

Regards,
Hugo

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