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to be used with my xwing when it is done. i needed a break from the
xwing, so i thought i'd try this. the planet surface is based on gilles
tran's sphereHF. the idea for how a planet should look started with
jeff lee's orbit, but rapidly turned into something else. if any of you
have done planets, i'd love to know how you did it. i'm thinking of
changing the clouds to media. also, i think the clouds need to be more
sparse (sp?) but i suppose an alien planet could have that much cloud
cover, so maybe i should leave it. i tried some animations with only
marginal success. the cloud layers moved at different speeds, but i
couldn't get black hole warps to do what i wanted. and looking at the
weather report on the news last night, i didn't have the occasional
opposition of weather systems like in real life (ie north-south and
east-west system collisions and systems where the edges meet). i also
thought that global cloud cover would be thick in some areas and thin in
others, but then i noticed my planet is pretty green, so maybe good,
even coverage is okay. i also thought that if i use this for an xwing
animation, that in the time it takes for a ship to fly by, the weather
would not have changed noticably from space anyway and so a still image
is fine. the land was made in wilbur like a year ago and is named Tel
Elnan. it was intended to be the world for an AD&D campaign. i was
starting to generate art for it and ran across pov. pov has had me in
its clutches since and AD&D has moved to the way back burner.
Post a reply to this message
Attachments:
Download 'spherehfb.jpg' (117 KB)
Preview of image 'spherehfb.jpg'
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The glow of the atmosphere on the dark side should also be a bit darker, and I
think the clouds should be brighter when lit. This assumes the planet is Earth
like.
ryan constantine wrote:
> to be used with my xwing when it is done. i needed a break from the
> xwing, so i thought i'd try this. the planet surface is based on gilles
> tran's sphereHF. the idea for how a planet should look started with
> jeff lee's orbit, but rapidly turned into something else. if any of you
> have done planets, i'd love to know how you did it. i'm thinking of
> changing the clouds to media. also, i think the clouds need to be more
> sparse (sp?) but i suppose an alien planet could have that much cloud
> cover, so maybe i should leave it. i tried some animations with only
> marginal success. the cloud layers moved at different speeds, but i
> couldn't get black hole warps to do what i wanted. and looking at the
> weather report on the news last night, i didn't have the occasional
> opposition of weather systems like in real life (ie north-south and
> east-west system collisions and systems where the edges meet). i also
> thought that global cloud cover would be thick in some areas and thin in
> others, but then i noticed my planet is pretty green, so maybe good,
> even coverage is okay. i also thought that if i use this for an xwing
> animation, that in the time it takes for a ship to fly by, the weather
> would not have changed noticably from space anyway and so a still image
> is fine. the land was made in wilbur like a year ago and is named Tel
> Elnan. it was intended to be the world for an AD&D campaign. i was
> starting to generate art for it and ran across pov. pov has had me in
> its clutches since and AD&D has moved to the way back burner.
>
> ------------------------------------------------------------------------
> [Image]
--
Josh English
eng### [at] spiritone com
"May your hopes, dreams, and plans not be destroyed by a few zeros."
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Looks nice. You're right about the clouds. Also, there's way too much
ambient light. The dark side of the planet should be completely black. Try
setting ambient to 0 then bring diffuse up until you get the right effect.
-Chris-
ryan constantine <rco### [at] yahoocom> wrote in message
news:393D5C78.175E3973@yahoo.com...
> to be used with my xwing when it is done. i needed a break from the
> xwing, so i thought i'd try this. the planet surface is based on gilles
> tran's sphereHF. the idea for how a planet should look started with
> jeff lee's orbit, but rapidly turned into something else. if any of you
> have done planets, i'd love to know how you did it. i'm thinking of
> changing the clouds to media. also, i think the clouds need to be more
> sparse (sp?) but i suppose an alien planet could have that much cloud
> cover, so maybe i should leave it. i tried some animations with only
> marginal success. the cloud layers moved at different speeds, but i
> couldn't get black hole warps to do what i wanted. and looking at the
> weather report on the news last night, i didn't have the occasional
> opposition of weather systems like in real life (ie north-south and
> east-west system collisions and systems where the edges meet). i also
> thought that global cloud cover would be thick in some areas and thin in
> others, but then i noticed my planet is pretty green, so maybe good,
> even coverage is okay. i also thought that if i use this for an xwing
> animation, that in the time it takes for a ship to fly by, the weather
> would not have changed noticably from space anyway and so a still image
> is fine. the land was made in wilbur like a year ago and is named Tel
> Elnan. it was intended to be the world for an AD&D campaign. i was
> starting to generate art for it and ran across pov. pov has had me in
> its clutches since and AD&D has moved to the way back burner.
Post a reply to this message
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Yes, the features are way too thick, but at smaller sizes you'd need 'em that
big just to show up...
The "dark side" should be... dark, fix your lighting.
--
David Fontaine <dav### [at] faricynet> ICQ 55354965
Please visit my website: http://www.faricy.net/~davidf/
Post a reply to this message
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Some comments:
I don't think the planet's cloud cover should look 3D or voluminous from this
distance, and certainly the atmosphere should be a lot thinner. If the clouds
are water vapour, they should have a much higher albedo (i.e. be brighter).
Also, the atmosphere probably shoudn't glow on the night side, and I'd say the
whole hemisphere should be darker.
IIRC the rotation of a planet tends to create certain prevailing latitudinal
winds. So maybe create some semi-regular banding patterns of cloud cover, for
example around the equator.
You mention you tried to animate the clouds. Unless you intend to squeeze a
significant time span into the clip, is it really worth the trouble? If the
winds were strong enough to cause cloud movement noticeable from space, I doubt
the planet would be all that green ;)
--
Margus Ramst
Personal e-mail: mar### [at] peakeduee
TAG (Team Assistance Group) e-mail: mar### [at] tagpovrayorg
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to all the "dark side is too light" folks:
i used one light, and ambient is 0. the media of the atmosphere must be
doing that. any suggestions?
"Chris S." wrote:
>
> Looks nice. You're right about the clouds. Also, there's way too much
> ambient light. The dark side of the planet should be completely black. Try
> setting ambient to 0 then bring diffuse up until you get the right effect.
>
> -Chris-
>
> ryan constantine <rco### [at] yahoocom> wrote in message
> news:393D5C78.175E3973@yahoo.com...
> > to be used with my xwing when it is done. i needed a break from the
> > xwing, so i thought i'd try this. the planet surface is based on gilles
> > tran's sphereHF. the idea for how a planet should look started with
> > jeff lee's orbit, but rapidly turned into something else. if any of you
> > have done planets, i'd love to know how you did it. i'm thinking of
> > changing the clouds to media. also, i think the clouds need to be more
> > sparse (sp?) but i suppose an alien planet could have that much cloud
> > cover, so maybe i should leave it. i tried some animations with only
> > marginal success. the cloud layers moved at different speeds, but i
> > couldn't get black hole warps to do what i wanted. and looking at the
> > weather report on the news last night, i didn't have the occasional
> > opposition of weather systems like in real life (ie north-south and
> > east-west system collisions and systems where the edges meet). i also
> > thought that global cloud cover would be thick in some areas and thin in
> > others, but then i noticed my planet is pretty green, so maybe good,
> > even coverage is okay. i also thought that if i use this for an xwing
> > animation, that in the time it takes for a ship to fly by, the weather
> > would not have changed noticably from space anyway and so a still image
> > is fine. the land was made in wilbur like a year ago and is named Tel
> > Elnan. it was intended to be the world for an AD&D campaign. i was
> > starting to generate art for it and ran across pov. pov has had me in
> > its clutches since and AD&D has moved to the way back burner.
Post a reply to this message
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"ryan constantine" <rco### [at] yahoocom> wrote in message
news:393D8AF3.746C76D4@yahoo.com...
> to all the "dark side is too light" folks:
> i used one light, and ambient is 0. the media of the atmosphere must be
> doing that. any suggestions?
>
> "Chris S." wrote:
> >
> > Looks nice. You're right about the clouds. Also, there's way too much
> > ambient light. The dark side of the planet should be completely black.
Try
> > setting ambient to 0 then bring diffuse up until you get the right
effect.
Well, I had some success at creating atmospheres for planets. I wrote a
tutorial about my method. You can check it out at
http://www.crosswinds.net/~dorks35 under the tutorials section.
If you have any specific questions, feel free to contact me directly, or
just post the questions here...
Darcy
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ryan constantine wrote:
>
> to all the "dark side is too light" folks:
> i used one light, and ambient is 0. the media of the atmosphere must be
> doing that. any suggestions?
>
Ah, yes. Emitting media does that. The way I see it, you have two options:
1) Use scattering media for the atmosphere. Slow, and probably ovekill.
2) Use a gradient color_map for the media, going from dark at the night side to
light at the day side. Since you can't control the emission and absorption
amount separately, you might have to use two medias, one (constant density) for
the absorbing part, and one (gradient density) for the emitting part.
--
Margus Ramst
Personal e-mail: mar### [at] peakeduee
TAG (Team Assistance Group) e-mail: mar### [at] tagpovrayorg
Post a reply to this message
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thanks you guys. i'll give those a shot. by the way, after looking at
real phots of the earth, i think my clouds aren't too unbelievable. so
maybe just a little tweaking will do rather than an entire overhaul.
ryan constantine wrote:
>
> to all the "dark side is too light" folks:
> i used one light, and ambient is 0. the media of the atmosphere must be
> doing that. any suggestions?
>
> "Chris S." wrote:
> >
> > Looks nice. You're right about the clouds. Also, there's way too much
> > ambient light. The dark side of the planet should be completely black. Try
> > setting ambient to 0 then bring diffuse up until you get the right effect.
> >
> > -Chris-
> >
> > ryan constantine <rco### [at] yahoocom> wrote in message
> > news:393D5C78.175E3973@yahoo.com...
> > > to be used with my xwing when it is done. i needed a break from the
> > > xwing, so i thought i'd try this. the planet surface is based on gilles
> > > tran's sphereHF. the idea for how a planet should look started with
> > > jeff lee's orbit, but rapidly turned into something else. if any of you
> > > have done planets, i'd love to know how you did it. i'm thinking of
> > > changing the clouds to media. also, i think the clouds need to be more
> > > sparse (sp?) but i suppose an alien planet could have that much cloud
> > > cover, so maybe i should leave it. i tried some animations with only
> > > marginal success. the cloud layers moved at different speeds, but i
> > > couldn't get black hole warps to do what i wanted. and looking at the
> > > weather report on the news last night, i didn't have the occasional
> > > opposition of weather systems like in real life (ie north-south and
> > > east-west system collisions and systems where the edges meet). i also
> > > thought that global cloud cover would be thick in some areas and thin in
> > > others, but then i noticed my planet is pretty green, so maybe good,
> > > even coverage is okay. i also thought that if i use this for an xwing
> > > animation, that in the time it takes for a ship to fly by, the weather
> > > would not have changed noticably from space anyway and so a still image
> > > is fine. the land was made in wilbur like a year ago and is named Tel
> > > Elnan. it was intended to be the world for an AD&D campaign. i was
> > > starting to generate art for it and ran across pov. pov has had me in
> > > its clutches since and AD&D has moved to the way back burner.
Post a reply to this message
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Way too large atmosphere..
Looks like it (the planet) is in a glass bubble or some such...
Albeit it looks wonderful...
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