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Hi!
an image I am working on with Moray>Pov
It's an existing lighthouse in Brittany
Photos here http://www.phareland.com/Mathieu.htm
I tried to make swell with an isosurface with combined bozo and f_ridged_mf
functions
I worked on backlit scattering in waves.
Foam is after Jaime's method but I'm not satisfied (not by the method but by
my use of it for close-up):
I wanted a sort of crackle pattern combined with turbulence to simulate
upwelling whirls close to rocks but I can't figure out how to implement it
in SDL
Comments,advices, critics are welcome a usual
Marc
Post a reply to this message
Attachments:
Download 'Mathieu_houle001.jpg' (104 KB)
Preview of image 'Mathieu_houle001.jpg'
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Excellent... Really nice work :-))
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jac### [at] wanadoo fr news:409cc307@news.povray.org
> Hi!
> an image I am working on with Moray>Pov
wow grete see, how did You did it?
As for land/rocks... very nice, but... something is a bit wrong imho.. hmm
colors look a bit to flat IMHO... or like there was a median / oil paint
filter applied to texture
--
http://www.raf256.com/3d/
Rafal Maj 'Raf256', home page - http://www.raf256.com/me/
Computer Graphics
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spa### [at] raf256com news:Xns94E38A49E36DBraf256com@203.29.75.35
> wow grete see, how did You did it?
>
sea
--
http://www.raf256.com/3d/
Rafal Maj 'Raf256', home page - http://www.raf256.com/me/
Computer Graphics
Post a reply to this message
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"LightBeam" <s.f### [at] tiscalifr> a écrit dans le message de news:
409cc5d8$1@news.povray.org...
> Excellent... Really nice work :-))
Thanks :)
Marc
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"Rafal 'Raf256' Maj" <spa### [at] raf256com> a écrit dans le message de news:
Xns94E38A61AF125raf256com@203.29.75.35...
> spa### [at] raf256com news:Xns94E38A49E36DBraf256com@203.29.75.35
>
> > wow grete see, how did You did it?
> >
>
> sea
>
I'll post the sea code on p.b.s-f as soon as I'm finished cleaning the code
:)
Marc
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"Rafal 'Raf256' Maj" <spa### [at] raf256com> a écrit dans le message de news:
Xns94E38A49E36DBraf256com@203.29.75.35...
> As for land/rocks... very nice, but... something is a bit wrong imho.. hmm
> colors look a bit to flat IMHO... or like there was a median / oil paint
> filter applied to texture
>
I quite agree: I meet some issue adding a normal pattern with a slope
pigmant pattern, I'm trying to find a workaround.
Maybe terrain will end as an isosurface as well
Marc
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"Marc Jacquier" <jac### [at] wanadoofr> a écrit dans le message de news:
409cc765$1@news.povray.org...
> >
> I'll post the sea code on p.b.s-f as soon as I'm finished cleaning the
code
> :)
Done :)
Marc
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"Marc Jacquier" <jac### [at] wanadoofr> schreef in bericht
news:409ccff2@news.povray.org...
>
> "Marc Jacquier" <jac### [at] wanadoofr> a écrit dans le message de
news:
> 409cc765$1@news.povray.org...
> > >
> > I'll post the sea code on p.b.s-f as soon as I'm finished cleaning the
> code
> > :)
>
> Done :)
>
Yipee!!!! Comes just in time for a scene I have in mind!!!!! :-))
Otherwise, I like the picture, and I think the swell is well rendered.
Shouldn't the windphane on the lighthouse point landwards? Of course, the
wind may have changed, and waves are pretty conservative once they are in
motion :-0
What is particularly good is the green transparency in the background swell.
Thomas
Post a reply to this message
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In article <409cc307@news.povray.org>,
"Marc Jacquier" <jac### [at] wanadoofr> wrote:
> ...
> Foam is after Jaime's method but I'm not satisfied (not by the method but by
> my use of it for close-up):
> ...
where to get infos of this method ??
thanks
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"Kurts" <kur### [at] yahoofr> a écrit dans le message de news:
kurtzlepirate-09EE8A.16445508052004@news.povray.org...
>
> where to get infos of this method ??
> thanks
I just quote Jaime's april/29/2004 response in "My LOTW project" thread on
this group:
> Casually, I'm just tweaking this texture. Now I simlified it a bit,
> removing the intersection. The same terrain itself translated a bit is
> enough. There is the relevant part:
>
> #declare terrain_coast=object{terrain translate Foam_Level*y}
> #declare m_water=
> material{
> texture{
> pigment_pattern{object{terrain_coast rgb 0, rgb 1}}
> texture_map{
> [0 t_water]
> [1 t_foam]
> }
> scale 100 warp{turbulence .3 lambda 3} scale 1/100
> scale 1000 warp{turbulence .3 lambda 3} scale 1/1000
> }
> ...
>
>
> The translation amount depends on your scene scale and how much foam
> you want, and the same can be applied to the warps scale.
>
the trick is to use an object as pattern
either the calculated point is inside the object and the returned value is 1
or the point is outside and the value is 0
It is a boolean pattern
my complete code for the sea (including isosurface and material) is on the
p.b.s-f group
Marc
Post a reply to this message
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"Thomas de Groot" <t.d### [at] internlnet> a écrit dans le message de news:
409cd6c8@news.povray.org...
> >
> Yipee!!!! Comes just in time for a scene I have in mind!!!!! :-))
I'm glad that can be usefull for somebody :-)
I look forward to see your scene.
> Otherwise, I like the picture, and I think the swell is well rendered.
> Shouldn't the windphane on the lighthouse point landwards? Of course, the
> wind may have changed, and waves are pretty conservative once they are in
> motion :-0
Or maybe the axle is solden by rust :-p
No seriousely I didn't think of that, thanks for noticing it. but it should
be pointing offshore as it is facing the wind.
> What is particularly good is the green transparency in the background
swell.
Thanks I spent some time at tweaking the absorption and scattering colors
Marc
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"Marc Jacquier" <jac### [at] wanadoofr> wrote in message
news:409cfe2a@news.povray.org...
<snip>
> Or maybe the axle is solden by rust :-p
> No seriousely I didn't think of that, thanks for noticing it. but it
should
> be pointing offshore as it is facing the wind.
Nah, those waves look as if they're being held up by an offshore breeze!
Dave.
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Marc Jacquier wrote:
> Hi!
> an image I am working on with Moray>Pov
>
> It's an existing lighthouse in Brittany
> Photos here http://www.phareland.com/Mathieu.htm
>
> I tried to make swell with an isosurface with combined bozo and f_ridged_mf
> functions
> I worked on backlit scattering in waves.
> Foam is after Jaime's method but I'm not satisfied (not by the method but by
> my use of it for close-up):
> I wanted a sort of crackle pattern combined with turbulence to simulate
> upwelling whirls close to rocks but I can't figure out how to implement it
> in SDL
>
> Comments,advices, critics are welcome a usual
>
> Marc
Holy sh*t. Excellent!!!
--
Respectfully,
Dan P
http://<broken link>
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Marc Jacquier wrote:
> I tried to make swell with an isosurface with combined bozo and f_ridged_mf
> functions
> I worked on backlit scattering in waves.
Impressive! The waves shape and texture/interior is very natural looking.
> Foam is after Jaime's method but I'm not satisfied (not by the method but by
> my use of it for close-up):
Well, the method isn't very good for close-up views. Perhaps it would
look a bit better with more transparency.
> I wanted a sort of crackle pattern combined with turbulence to simulate
> upwelling whirls close to rocks but I can't figure out how to implement it
> in SDL
That sounds *really* difficult to figure out... :)
--
Jaime
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Marc Jacquier wrote:
> Hi!
> an image I am working on with Moray>Pov
>
I already saw this one in the french group, the waves look very nice but
they are not breaking of course although they should. :-) The foam
could use some more structure, maybe some normal would be sufficient.
For the water shape a nonlinear scaling might be a good idea, the waves
should be very long at the coast but on the open sea they should be less
directed (it looks a bit strange at the horizon right now). Or use two
functions and blend them.
Christoph
--
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 01 May. 2004 _____./\/^>_*_<^\/\.______
Post a reply to this message
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Marc Jacquier wrote:
> Hi!
> an image I am working on with Moray>Pov
>
> It's an existing lighthouse in Brittany
> Photos here http://www.phareland.com/Mathieu.htm
>
> I tried to make swell with an isosurface with combined bozo and f_ridged_mf
> functions
> I worked on backlit scattering in waves.
> Foam is after Jaime's method but I'm not satisfied (not by the method but by
> my use of it for close-up):
> I wanted a sort of crackle pattern combined with turbulence to simulate
> upwelling whirls close to rocks but I can't figure out how to implement it
> in SDL
>
> Comments,advices, critics are welcome a usual
Ban for posting photos.
Okay, maybe not. But that water looks really good, and the lighting
works too.
-Xplo
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"Marc Jacquier" <jac### [at] wanadoofr> schreef in bericht
news:409cfe2a@news.povray.org...
>
> "Thomas de Groot" <t.d### [at] internlnet> a écrit dans le message de
news:
> 409cd6c8@news.povray.org...
> I'm glad that can be usefull for somebody :-)
> I look forward to see your scene.
Patience! I just started on it! It will feature, by the way, also the ruined
bridge of Panta Rei, but more in the background...
>
> Or maybe the axle is solden by rust :-p
> No seriousely I didn't think of that, thanks for noticing it. but it
should
> be pointing offshore as it is facing the wind.
Yes, of course! pointing offshore. That's what I mean. Just muddled up my
vocabulary.
Thomas
Post a reply to this message
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Impressive!
The sea is excellent well done.
Mick
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"Dan P" <dan### [at] yahoocom> a écrit dans le message de news:
409d05fc$1@news.povray.org...
> Holy sh*t. Excellent!!!
> --
LOL thanks :-)
Marc
Post a reply to this message
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"Jaime Vives Piqueres" <jai### [at] ignoranciaorg> a écrit dans le message
de news: 409d1336$1@news.povray.org...
> Impressive! The waves shape and texture/interior is very natural
looking.
Thanks
>
>
> Well, the method isn't very good for close-up views. Perhaps it would
> look a bit better with more transparency.
I'm thinking about blurring the edges with several randomly translated
and averaged instances of the pattern to return a distance dependent value
instead of a boolean
>
> > I wanted a sort of crackle pattern combined with turbulence to simulate
> > upwelling whirls close to rocks but I can't figure out how to implement
it
> > in SDL
>
> That sounds *really* difficult to figure out... :)
I think of a function combination, still a lot of work !
Marc
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"Christoph Hormann" <chr### [at] gmxde> a écrit dans le message de news:
c7j5h2$89b$1@chho.imagico.de...
> I already saw this one in the french group, the waves look very nice but
> they are not breaking of course although they should. :-)
I agree, I'd like some shore break tubes (with foam of course!) but I'm not
a maths freak and can't figure out what kind of function could give that
>The foam could use some more structure, maybe some normal would be
sufficient.
or more ridged_mf everywhere...
> For the water shape a nonlinear scaling might be a good idea, the waves
> should be very long at the coast but on the open sea they should be less
> directed (it looks a bit strange at the horizon right now). Or use two
> functions and blend them.
>
I'll give it a try
Thanks
Marc
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"Xplo Eristotle" <xpl### [at] infomagicnet> a écrit dans le message de news:
409d1a6d@news.povray.org...
>
> Ban for posting photos.
:-)
> Okay, maybe not. But that water looks really good, and the lighting
> works too.
>
Thank you
Marc
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