Am 18.08.2020 um 09:15 schrieb Thomas de Groot:
> Op 17/08/2020 om 19:11 schreef MichaelJF:
>> Am 17.08.2020 um 08:45 schrieb Thomas de Groot:
>>> Op 16/08/2020 om 18:27 schreef Bald Eagle:
>>>> MichaelJF <mi-### [at] t-onlinede> wrote:
>>>>> I failed to
>>>>> model this thin slice of white in the reflections in the original
>>>>> photography so far. But I think to "forget" it, is a venial sin.
>>>>
>>>> Maybe you can add a cylinder of media that is bisected by the 
>>>> water's surface?
>>>> Or layer an AOI texture onto the water?
>>>>
>>>> Other than that, I'd look to prior art in the archives, or in other 
>>>> graphics
>>>> groups...
>>>>

>>>>
>>>>
>>>>
>>>
>>> Great job indeed. First thing I thought concerning this issue was: 
>>> Tom York's diffuse modulation. Maybe it can help you: see his comment 
>>> in the following thread:
>>>
>>>
http://news.povray.org/povray.newusers/thread/%3Cweb.4393311ed86e519e4114da700@news.povray.org%3E/?ttop=338362&toff=650

>>>
>>>
>> Thank you both for your suggestions. May be the addition of an other 
>> media may cure the problem but I had a lot of difficulties to adjust 
>> the media as they are so far and will not risk to disturb them by 
>> another one. The other approach proposed by Thomas is the use of a 
>> texture_map to the lake similiar to the construction of my sky_sphere. 
>> Fortunatelly air has no ripples or waves and is more predictable as 
>> water. May be I must have more patience in modellng a filtering disc 
>> with a proper scaled hole
>>
>> disc {





>> }
>>
>> Best regards
>> Michael
>>
> 
> Best approach I guess is the one made by Jaime Vives Piqueres. I have 
> been working with his code lately for a couple of months (adding foam to 
> sea water for instance; see my 'Nature Beyond' thread).
> 
> See the following link for the technical aspects:
> 
> http://www.ignorancia.org/index.php/galleries/old-images/sea-buoy/
> 
Hello Thomas,

you did a very good job in adding foam to Jaime's sea and added a very 
nice whale. First I tried an isosurface similiar to Jaime's approach but 
I decided against it since it looked to much like sea with storms and 
tides and so on and not like a quiet lake.

Best regards
Michael

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