In article <3D3D12CC.5D0F2200@gmx.de>,
 Christoph Hormann <chr### [at] gmxde> wrote:

> Since this is really a minor issue i don't want to make much ado about it,
> but i disagree on this.  Such abrupt changes only occur with relatively
> strong and rapidly changing wind.  Also the waves here are quite high
> frequency, something also indicating strong wind effect.  The plants in
> the picture imply it is quite calm.  Maybe some concentric structures
> produced by bubbles or animals would be a nice detail.

I see these quite often on our ponds and a nearby lake without any 
strong wind. They look very realistic to me, right down to the borders 
between the disturbed areas and the mirror-smooth areas. It occurs when 
there is an unsteady breeze or something is blocking the wind causing 
turbulent flow, so it is blowing against the water in some small places 
but not in others. I see nothing in this image that would contradict 
this...the plants and tree seem like just the thing to make it more 
likely.

The frequency of ripples has more to do with the size of the body of 
water and the steadiness of the wind, and the area of water exposed to 
the wind.

-- 
Christopher James Huff <chr### [at] maccom>
POV-Ray TAG e-mail: chr### [at] tagpovrayorg
TAG web site: http://tag.povray.org/

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