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Alain <aze### [at] qwerty org> wrote:
> The vegetation will be more abundent east of the areas of high see
> temperatures.
Depends on the direction of rotation :P
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"clipka" <nomail@nomail> wrote:
> Alain <aze### [at] qwertyorg> wrote:
> > The vegetation will be more abundent east of the areas of high see
> > temperatures.
>
> Depends on the direction of rotation :P
Also on prevailing wind direction, I would think. Much oversimplified wind
directions on my west-to-east rotating planet, for example:
+90 Calm (polar high)
Northeast
+60 Calm (polar front)
Southwest
+30 Calm (subtropical high, "horse latitudes")
Northeast ("trade winds")
0 Calm (intertropical convergence zone, "doldrums")
Southeast
-30 Calm (subtropical high)
Northwest
-60 Calm (polar front)
Southeast
-90 Calm (polar high)
http://en.wikipedia.org/wiki/Atmospheric_circulation
http://en.wikipedia.org/wiki/File:Earthmap720x360_grid.jpg
Contrary to popular belief, flush toilets do *not* follow this plan:
http://www.ems.psu.edu/~fraser/Bad/BadCoriolis.html
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"Cousin Ricky" <ric### [at] yahoocom> wrote:
> > Depends on the direction of rotation :P
>
> Also on prevailing wind direction, I would think. Much oversimplified wind
> directions on my west-to-east rotating planet, for example:
Note that the prevailing wind directions *are* dependent on the direction of
rotation ;)
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That's the spirit!
Thomas
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"clipka" <nomail@nomail> schreef in bericht
news:web.4a6c58ca515abde5877441c40@news.povray.org...
>
> Depends on the direction of rotation :P
...and on the orientation of mountain ranges versus coasts and versus
rotation, creating rain shadows....
Thomas
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From: Christian Froeschlin
Subject: Re: Planet texture WIP #3 - Coast
Date: 27 Jul 2009 15:15:11
Message: <4a6dfcbf@news.povray.org>
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Tek wrote:
> After a bit of googling I found this image:
> http://coastalchange.ucsd.edu/images/refraction2.jpg
but that is rather a "closeup" with at most a few kilometers
field of view. Your image seems to have a curved horizon which
indicates a scale at least two magnitudes higher (although it's
a bit difficult to tell as only a short section is visible).
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hmm... I hadn't thought about how rotation affects wind, I was just going to
use some turbulence for the wind, but I'll add some rotation to it.
I'd like to get the mountain ranges to cause rain, but I can't see a way to
get a smooth result without taking lots of samples, and I'm not going to do
that for what is, after all, just a pretty pattern :)
--
Tek
http://evilsuperbrain.com
"Thomas de Groot" <tDOTdegroot@interDOTnlANOTHERDOTnet> wrote in message
news:4a6d9119$1@news.povray.org...
>
> "clipka" <nomail@nomail> schreef in bericht
> news:web.4a6c58ca515abde5877441c40@news.povray.org...
>>
>> Depends on the direction of rotation :P
>
> ...and on the orientation of mountain ranges versus coasts and versus
> rotation, creating rain shadows....
>
> Thomas
>
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"Christian Froeschlin" <chr### [at] chrfrde> wrote in message
news:4a6dfcbf@news.povray.org...
> Tek wrote:
>
>> After a bit of googling I found this image:
>> http://coastalchange.ucsd.edu/images/refraction2.jpg
>
> but that is rather a "closeup" with at most a few kilometers
> field of view. Your image seems to have a curved horizon which
> indicates a scale at least two magnitudes higher (although it's
> a bit difficult to tell as only a short section is visible).
As I said, the scale is rather inconsistent. The waves, buildings, and roads
are on a scale that's roughly consistent with each other, but the planet's
radius is much too small by comparison.
--
Tek
http://evilsuperbrain.com
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Such a nice planet... now - please - don't add pollution in your textures!
;-)
Paolo
>Tek on date 22/07/2009 02:43 wrote:
> I've been mostly working on the normal maps. There's a lot of textures here
> that are influenced by the pattern of the sea, to create concentric waves
> near the coast, cliffs on the shore, etc. Rendered without atmosphere to
> save some time.
>
> This view is much closer than anything I plan on using in a finished image,
> but it's a nice way to tweak the texture details.
>
> There's still a lot of work needed, but what do you think of it so far?
>
>
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Starts to look great! Congratulations!
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