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Am 25.02.2013 13:44, schrieb Thomas de Groot:
> On 25-2-2013 10:24, clipka wrote:
>> Why not use a wave tank simulator? POV-Ray can do that :-)
>>
>> news://news.povray.org:119/4a812162@news.povray.org
>>
>> I think I still have the SDL code somewhere on my computer.
>>
>
> Yes, but... the code in that thread is your Game of Life? Not really
> waves meseems... ;-)
>
> Is there wave tank simulator code somewhere?
Posted to p.b.scene-files.
Have Fun!
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On 26-2-2013 4:41, clipka wrote:
> Am 25.02.2013 13:44, schrieb Thomas de Groot:
>> Is there wave tank simulator code somewhere?
>
> Posted to p.b.scene-files.
>
> Have Fun!
>
Thanks! Visibly the same flavour as Game of Life ;-)
However... except for a series of white images with some "obstacles" I
see no wave pattern forming.
Changed version to 3.7 and ambient to emission but that is obviously not
the problem.
any ideas?
Thomas
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Am 26.02.2013 09:31, schrieb Thomas de Groot:
> On 26-2-2013 4:41, clipka wrote:
>> Am 25.02.2013 13:44, schrieb Thomas de Groot:
>>> Is there wave tank simulator code somewhere?
>>
>> Posted to p.b.scene-files.
>>
>> Have Fun!
>>
>
> Thanks! Visibly the same flavour as Game of Life ;-)
>
> However... except for a series of white images with some "obstacles" I
> see no wave pattern forming.
>
> Changed version to 3.7 and ambient to emission but that is obviously not
> the problem.
>
> any ideas?
Um... no, not really. It's been years since I touched that code. Maybe
check the all the gamma tweakables?
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On 26-2-2013 9:53, clipka wrote:
> Um... no, not really. It's been years since I touched that code. Maybe
> check the all the gamma tweakables?
>
Well, assumed_gamma 1.0 of course, everything else equal to all my other
scenes.
Attached is a ninth iteration as an example. In the series the images
get brighter and brighter.
Thomas
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Attachments:
Download 'wavetank9.exr.dat' (4 KB)
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Am 26.02.2013 14:22, schrieb Thomas de Groot:
> On 26-2-2013 9:53, clipka wrote:
>> Um... no, not really. It's been years since I touched that code. Maybe
>> check the all the gamma tweakables?
>>
>
> Well, assumed_gamma 1.0 of course, everything else equal to all my other
> scenes.
>
> Attached is a ninth iteration as an example. In the series the images
> get brighter and brighter.
You might need to set "gamma 1.0" on the .png input file.
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Thomas de Groot <tho### [at] degroot org> wrote:
> On 26-2-2013 9:53, clipka wrote:
> > Um... no, not really. It's been years since I touched that code. Maybe
> > check the all the gamma tweakables?
> >
>
> Well, assumed_gamma 1.0 of course, everything else equal to all my other
> scenes.
>
> Attached is a ninth iteration as an example. In the series the images
> get brighter and brighter.
>
http://www.nolights.de/downloads.html#lssm
Work quite well.
But you have IIRC a big sea. ;-)
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On 26-2-2013 14:39, clipka wrote:
> You might need to set "gamma 1.0" on the .png input file.
I forgot that one indeed, but no change.
Thomas
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On 26-2-2013 15:11, Stephen wrote:
> http://www.nolights.de/downloads.html#lssm
> Work quite well.
> But you have IIRC a big sea. ;-)
For the time being, it is curiosity (which kills the cat of course) ;-)
But yes, I probably shall have look into that too.
My sea is very large indeed: a sphere of 10e5 radius.
Thomas
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> Thomas de Groot <tho### [at] degrootorg> wrote:
>> On 26-2-2013 9:53, clipka wrote:
>>> Um... no, not really. It's been years since I touched that code. Maybe
>>> check the all the gamma tweakables?
>>>
>>
>> Well, assumed_gamma 1.0 of course, everything else equal to all my other
>> scenes.
>>
>> Attached is a ninth iteration as an example. In the series the images
>> get brighter and brighter.
>>
>
>
> http://www.nolights.de/downloads.html#lssm
> Work quite well.
> But you have IIRC a big sea. ;-)
>
>
That's a simulation for standing water over a mostly flat bottom.
In the Gancaloon scene, you have a river going into the sea. That mean
some current. Then, there is the problem of that flowing water
encountering the mostly static sea water. Add a realy uneven bottom with
possibly some abrupt depth changes.
The simulator may work well, but the current model is likely to cause it
to fail.
Alain
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On 26-2-2013 21:41, Alain wrote:
> That's a simulation for standing water over a mostly flat bottom.
>
> In the Gancaloon scene, you have a river going into the sea. That mean
> some current. Then, there is the problem of that flowing water
> encountering the mostly static sea water. Add a realy uneven bottom with
> possibly some abrupt depth changes.
> The simulator may work well, but the current model is likely to cause it
> to fail.
Reasons why I left this for (much) later. ;-)
Except for the island offshore, the sea and river bottoms are flat, but
the meeting of the two water bodies is challenging. At least I solved
the water colour mixing of the two (with some help of the community) a
couple of years ago.
Thomas
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