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This scene is derived form my Elevado scene posted a few days ago. It
contains more than 15'000 mesh trees. The river terrain is a one of the
samples coming with World Machine. Except the number of trees this is a
quite simple scene. Nevertheless it took almost 30 hours to render on a 1.7
GHz PC with 500 MB of RAM.
Regards, Christoph
Post a reply to this message
Attachments:
Download 'River.JPG' (164 KB)
Preview of image 'River.JPG'
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very pleasant.
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"Christoph Gerber" <ni.### [at] bluewin ch> wrote in message
news:3dcc2787@news.povray.org...
: This scene is derived form my Elevado scene posted a few days ago. It
: contains more than 15'000 mesh trees. The river terrain is a one of the
: samples coming with World Machine. Except the number of trees this is a
: quite simple scene. Nevertheless it took almost 30 hours to render on a 1.7
: GHz PC with 500 MB of RAM.
: Regards, Christoph
Really nice! Love the colors. Clouds by the sun seem
a little flat to me. Love the water...
=Bob=
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GASP! :o)) It goes right into the hall of fame!
Great.. great..
Regards,
Hugo
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You are right, I'm not happy with the sky. After fiddling for 3 days with
different media settings I gave up. It's much easier (at least for me) to
achieve good results if the light is coming from the side. With a sunset
type of light I was not able to obtain better results so far. Using a
Terragen sky as background would be an easy way to overcome the problem ...
Christoph
"=Bob=" <bob### [at] threestrandscom> schrieb im Newsbeitrag
news:3dcc2a46@news.povray.org...
> "Christoph Gerber" <ni.### [at] bluewinch> wrote in message
news:3dcc2787@news.povray.org...
> : This scene is derived form my Elevado scene posted a few days ago. It
> : contains more than 15'000 mesh trees. The river terrain is a one of the
> : samples coming with World Machine. Except the number of trees this is a
> : quite simple scene. Nevertheless it took almost 30 hours to render on a
1.7
> : GHz PC with 500 MB of RAM.
> : Regards, Christoph
>
> Really nice! Love the colors. Clouds by the sun seem
> a little flat to me. Love the water...
> =Bob=
>
>
>
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Christoph Gerber wrote:
> This scene is derived form my Elevado scene posted a few days ago. It
> contains more than 15'000 mesh trees. The river terrain is a one of the
> samples coming with World Machine. Except the number of trees this is a
> quite simple scene. Nevertheless it took almost 30 hours to render on a
1.7
> GHz PC with 500 MB of RAM.
> Regards, Christoph
Stunning work again.
Somehow the sky feels a bit cold though
--
-Jide
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"Christoph Gerber" <ni.### [at] bluewinch> wrote in message
news:3dcc2f19$1@news.povray.org...
: You are right, I'm not happy with the sky. After fiddling for 3 days with
: different media settings I gave up. It's much easier (at least for me) to
: achieve good results if the light is coming from the side. With a sunset
: type of light I was not able to obtain better results so far. Using a
: Terragen sky as background would be an easy way to overcome the problem ...
: Christoph
What are your media settings?
=Bob=
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Wooooowwwww.
- Slime
[ http://www.slimeland.com/ ]
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Love the trees, sun is good too, but the water is somewhat fake - it
just doesn't seem like the right type of waves (ripples) to me. The
clouds are a bit off, too, I think.
It's just that the trees put everything else to shame :)
Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG e-mail : pet### [at] tagpovrayorg
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"Christoph Gerber" <ni.### [at] bluewinch> wrote in message
news:3dcc2f19$1@news.povray.org...
> You are right, I'm not happy with the sky.
In my most humble opinion, the problem with the sky is the dull reddish
color in the clouds. When there's red in a sunset, it's a brighter color
red, especially when the sun is still so high above the horizon.
Also, the water seems awfully choppy for such a wide, meandering river, with
no other hint of wind. (Actually, the presence of the haze would indicate
little or no wind at all...)
With that said, I would like to mention that this is a stunning work! This
must be a magical forest...
Regards,
Dave Blandston
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Christoph Gerber escribió en el mensaje de noticias
3dcc2787@news.povray.org...
> This scene is derived form my Elevado scene posted a few days ago. It
> contains more than 15'000 mesh trees. The river terrain is a one of the
> samples coming with World Machine. Except the number of trees this is a
> quite simple scene. Nevertheless it took almost 30 hours to render on a
1.7
> GHz PC with 500 MB of RAM.
Once again, great work Christoph!
A very beautiful and relaxing image.
To give some constructive criticsm, I must agree with
other comments about the clouds and horizon colours.
If it's evening time there must be more red
(I think golden fits better for the clouds).
That will make these colors reflect in the water, what
will be more realistic.
Also the water should be more quiet I think.
Anyway, a beautiful image.
P.S.: You didn't send Elevado to the IRTC... bad boy... ;-)
Bye
Txemi Jendrix
http://www.txemijendrix.com
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How lovely... Hardly looks like it came out of a computer! (Although it
perhaps looks more like a painting than a photograph - can't ask me why!)
Keep it up!
Andrew.
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Here is just a quick try to implement some of the comments (trees disabled).
Bumpiness of the watersurface is much lower and a tint of red is added to
the horizon. Much better in my opinion, especially the water. Thanks for the
hints!
Christoph
Post a reply to this message
Attachments:
Download 'River2.JPG' (53 KB)
Preview of image 'River2.JPG'
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I liked it much better with those trees. The water could use variation over
the surface area, smoother places and rougher places, from wind differences.
The sky is great.
--
Farewell,
Bob
"Christoph Gerber" <ni.### [at] bluewinch> wrote in message
news:3dccf24b@news.povray.org...
> Here is just a quick try to implement some of the comments (trees
disabled).
> Bumpiness of the watersurface is much lower and a tint of red is added to
> the horizon. Much better in my opinion, especially the water. Thanks for
the
> hints!
Post a reply to this message
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The trees will be back in the final render, they were just disabled to speed
up testing of water and sky.
Christoph
"hughes, b." <omn### [at] charternet> schrieb im Newsbeitrag
news:3dcd0f9d@news.povray.org...
> I liked it much better with those trees. The water could use variation
over
> the surface area, smoother places and rougher places, from wind
differences.
> The sky is great.
> --
> Farewell,
> Bob
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On Sat, 9 Nov 2002 12:32:03 +0100, "Christoph Gerber"
<ni.### [at] bluewinch> wrote:
>Here is just a quick try to implement some of the comments (trees disabled).
>Bumpiness of the watersurface is much lower and a tint of red is added to
>the horizon. Much better in my opinion, especially the water. Thanks for the
>hints!
Much better now (and yes, I know you'll put the trees back in :) ).
The water still looks a little CG. Are you using fresnel reflection?
Attenuation?
Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG e-mail : pet### [at] tagpovrayorg
Post a reply to this message
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Christoph Gerber escribió en el mensaje de noticias
3dccf24b@news.povray.org...
> Here is just a quick try to implement some of the comments (trees
disabled).
> Bumpiness of the watersurface is much lower and a tint of red is added to
> the horizon. Much better in my opinion, especially the water. Thanks for
the
> hints!
Much better now.
Maybe the sun itself should be a little bit orange
and the water a little less bumpy, but it's just my opinion.
It's getting better and better.
Would be too much to ask for a 1024x768 version
when you'll finish your image?
See you.
Txemi Jendrix
http://www.txemijendrix.com
Post a reply to this message
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very nice work. my two comments are that the darks don't seem dark enough
and the water is too rough. A wide slow river would seem to not have such
waves, atleast not i all the parts. for instance if the wind is from the
right, the right part of the river would be calm, blocked from wind. but
this is very picky, only because its such a nice scene. i mean, those trees
are excellent.
Christoph Gerber <ni.### [at] bluewinch> wrote in message
news:3dcc2787@news.povray.org...
> This scene is derived form my Elevado scene posted a few days ago. It
> contains more than 15'000 mesh trees. The river terrain is a one of the
> samples coming with World Machine. Except the number of trees this is a
> quite simple scene. Nevertheless it took almost 30 hours to render on a
1.7
> GHz PC with 500 MB of RAM.
> Regards, Christoph
>
>
>
Post a reply to this message
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The code for the water uses variable reflection but is real simple
otherwise:
#declare WaterTex = texture {
pigment {rgb 0.1}
normal {bumps 0.05 turbulence 0.5 scale 0.3}
finish {
ambient 0.1
diffuse 0.1
reflection_min 0.0
reflection_max 0.8
specular 0.5
roughness 0.01
phong 0.5
phong_size 200
}
}
Regards, Christoph
"Peter Popov" <pet### [at] vipbg> schrieb im Newsbeitrag
news:815qsu0042mami5pns81ii9jdfae3lohqt@4ax.com...
> On Sat, 9 Nov 2002 12:32:03 +0100, "Christoph Gerber"
> <ni.### [at] bluewinch> wrote:
>
> >Here is just a quick try to implement some of the comments (trees
disabled).
> >Bumpiness of the watersurface is much lower and a tint of red is added to
> >the horizon. Much better in my opinion, especially the water. Thanks for
the
> >hints!
>
> Much better now (and yes, I know you'll put the trees back in :) ).
> The water still looks a little CG. Are you using fresnel reflection?
> Attenuation?
>
>
> Peter Popov ICQ : 15002700
> Personal e-mail : pet### [at] vipbg
> TAG e-mail : pet### [at] tagpovrayorg
Post a reply to this message
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In article <3dcd83a0@news.povray.org>,
"Christoph Gerber" <ni.### [at] bluewinch> wrote:
> reflection_min 0.0
> reflection_max 0.8
You're using MegaPOV? Why?
It might benefit from conserve_energy being turned on, but I doubt it
will have much visible effect here.
--
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/
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On Sat, 9 Nov 2002 22:52:23 +0100, "Christoph Gerber"
<ni.### [at] bluewinch> wrote:
>The code for the water uses variable reflection but is real simple
>otherwise:
I would suggest a few things:
1. Use POV-Ray 3.5 :)
2. Use fresnel reflection (coupled with a ior of 4/3) and
conserve_energy
3. The pigment is way off, water is normally perfectly clear with only
slight attenuation. Why don't you use something like pigment { rgbf 1
} and add attenuation to the ior (either fade_power 1000 or absorbing
media)?
These are realistic settings, try giving them a shot and see if they
make your scene look more real.
Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG e-mail : pet### [at] tagpovrayorg
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In article <79pssu0ois4jioc7d20kt097u6l029fi2q@4ax.com>,
Peter Popov <pet### [at] vipbg> wrote:
> 1. Use POV-Ray 3.5 :)
Agreed.
> 3. The pigment is way off, water is normally perfectly clear with only
> slight attenuation. Why don't you use something like pigment { rgbf 1
> } and add attenuation to the ior (either fade_power 1000 or absorbing
> media)?
Actually, a dark opaque pigment makes sense here, you usually can't see
through this kind of water unless you are right above a shallow portion,
and the scene is already slow rendering. I'd get rid of the ambient
though, as a rule I only use a non-0 ambient value for objects that are
supposed to glow.
--
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/
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On Sun, 10 Nov 2002 10:42:10 -0500, Christopher James Huff
<chr### [at] maccom> wrote:
>Actually, a dark opaque pigment makes sense here, you usually can't see
>through this kind of water unless you are right above a shallow portion,
>and the scene is already slow rendering.
Attenuation won't slow it down, but it adds more realism along the
shores and at steep angles of incidence.
>I'd get rid of the ambient though, as a rule I only use a non-0 ambient
>value for objects that are supposed to glow.
Agreed.
Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG e-mail : pet### [at] tagpovrayorg
Post a reply to this message
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In article <t62tsu4m6eq18omqjunq22lug2aji9a3pp@4ax.com>,
Peter Popov <pet### [at] vipbg> wrote:
> >Actually, a dark opaque pigment makes sense here, you usually can't see
> >through this kind of water unless you are right above a shallow portion,
> >and the scene is already slow rendering.
>
> Attenuation won't slow it down, but it adds more realism along the
> shores and at steep angles of incidence.
Instead of an opaque texture? Yes, it will be slower. The attenuation
calculations themselves don't cost much, though they are quite a bit
more than just using a constant color value, but any transparency at all
will require tracing at least one refracted ray every time the water is
hit, and then the additional texture calculation of the ground under the
water.
The shores often don't slope gradually out of the water, in fact there
is often an overhang. It takes practice to see into the water in this
situation even when it is clear, and if the water is carrying lots of
silt, you often can't see your feet if you are wading. A nearly black
opaque texture is a decent time saving approximation for this type of
image, even if it won't look good close up.
--
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/
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On Sun, 10 Nov 2002 12:19:24 -0500, Christopher James Huff
<chr### [at] maccom> wrote:
>Instead of an opaque texture? Yes, it will be slower. The attenuation
>calculations themselves don't cost much, though they are quite a bit
>more than just using a constant color value, but any transparency at all
>will require tracing at least one refracted ray every time the water is
>hit, and then the additional texture calculation of the ground under the
>water.
You're right, of course, it's just that I thought it was rgbf 0.1 in
the original post.
Anyway, it was just my €0.02 :)
Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG e-mail : pet### [at] tagpovrayorg
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On Fri, 8 Nov 2002 22:06:32 +0100, "Christoph Gerber" <ni.### [at] bluewinch>
wrote:
> This scene is derived form my Elevado scene posted a few days ago.
I wonder how it could look under film exposure patch made recently by Karii.
ABX
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