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back to basics
About Truespace Archives
These pages are a copy of the official truespace forums prior to their removal somewhere around 2011.
They are retained here for archive purposes only.
back to basics // Work in Progress
Post by Rareth // Aug 2, 2006, 9:57am
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Rareth
Total Posts: 149
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though I would try something easier than vehicles... |
Post by b_scotty // Aug 2, 2006, 10:18am
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b_scotty
Total Posts: 176
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Hi Rareth,
Looks like you are off to a nice start. One suggestion I might make is to fade out the atmoshphere on the dark side of the planet, unless of course there is an unseen light source behind planet illuminating it. My two cents. :)
I love spacescapes and planetary scenes, that's what got me interested in 3d in the first place. :) |
Post by Rareth // Aug 2, 2006, 11:35am
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Rareth
Total Posts: 149
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no just the one light source.. I'll have to see if I can figure out how to fade out the atmosphere sphere... I did the shaders in Shader lab.. |
Post by Rareth // Aug 2, 2006, 12:47pm
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Rareth
Total Posts: 149
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ok try two for the planet render.. |
Post by b_scotty // Aug 2, 2006, 3:15pm
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b_scotty
Total Posts: 176
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Yep, that's what I meant! Much better. :) |
Post by Shike // Aug 2, 2006, 8:03pm
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Shike
Total Posts: 511
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Nice! And the atmosphere looks good after the change :)
Is it a handpainted texture or a procedural one? |
Post by Matski007 // Aug 3, 2006, 12:20am
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Matski007
Total Posts: 539
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go here for some great earth maps you can use as your texture
http://visibleearth.nasa.gov/view_set.php?categoryID=2363 |
Post by Rareth // Aug 3, 2006, 3:44am
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Rareth
Total Posts: 149
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I really appreciate the comments thanks all.
all the textures were done in Shader Lab pro 2.4 and the effect is caused with 3 nested spheres.. planet, clouds, atmosphere
the planet is not necessarily earth per say.. I just wanted to try my hand at the atmosphere/clouds effect...
The background image I snagged from Nasa but its too busy for my tastes and the other images I downloaded to use were not of high enough resolution.. the stars became pixelated, so I think I'll need to either make my own starry background or keep digging through the Nasa archives. |
Post by Matski007 // Aug 3, 2006, 6:02am
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Matski007
Total Posts: 539
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http://scifi3d.theforce.net/list.asp?intGenreID=10&intCatID=43
scroll down to the star backgrounds, very good
thought id point out too (dunno how relevent to ur image) that when viewing earth from outer space, you cannot see any stars, i imagine this is the same with all planets, the background is just black (not very interesting tho heh) |
Post by W!ZARD // Aug 4, 2006, 1:35am
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W!ZARD
Total Posts: 2603
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thought id point out too (dunno how relevent to ur image) that when viewing earth from outer space, you cannot see any stars, i imagine this is the same with all planets, the background is just black (not very interesting tho heh)
Matski is correct - the stars are not visible due to the extreme contrast between the light levels reflecting from the planet and the background sky.
Additionally, though you wouldn't think so from the majority of space art, the atmosphere is also not visible - specially at the distance shown in these images. The diameter of the earth at the equator is 7,926.41 miles (12,756.32 kilometers). 99% of Earths atmosphere lies in the first 30 Kms which is a tiny fraction of the overall diameter of the planet. viewed from a distance that allows one to see the entire globe the atmosphere is too thin to be discerned - which in no way stops space artists from surrounding there planets in unnatural and unrealistic hazey glows representing atmosphere.
This is one of the modern space fallacies perpetuated by most Sci Fi art and ranks up there with spaceships that 'fly' like planes and behave like floating ships with the crew oriented at right angles to the direction of thrust. Of course this should not stop us from building tS space ships and space scenes the way we want them to be dispite the laws of physics saying otherwise!!
Rareth has exactly the right approach when he states that builing an entire planet is easier than building a vehicle!! |
Post by Rareth // Aug 4, 2006, 3:33am
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Rareth
Total Posts: 149
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;) Yep all the points Wizard makes are true.. Stars are easily washed out by light contrasts, the atmosphere should not be visible at this distance.
(look at some pictures of earth taken from the moon).
I wasn't going for realism in the picture.. I was playing with the Shaderlab.
I will be creating a space scene (already in the works) with a station orbiting a planet and that scene will have the pov close enough for atmospheric glow/haze. already have a rough station design modeled but not textured.. working on a ship to be docked with the station now.. My biggest problem is designing a ship that doesn't look like something from Star Trek, Star Wars, Battlestar Galactica, Babylon 5 etc.. (I watch wayyyyyyy to much SciFi :rolleyes: ) |
Post by Rareth // Aug 4, 2006, 8:35am
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Rareth
Total Posts: 149
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a different planet this time.. |
Post by Rareth // Aug 4, 2006, 9:25am
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Rareth
Total Posts: 149
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added a another level of SDS to the planet so it looks a bit better |
Post by parva // Aug 4, 2006, 10:07am
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parva
Total Posts: 822
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little hint - use Nurbs for Planets so you get still a "round" Planet ;) |
Post by ProfessorKhaos // Aug 4, 2006, 11:14am
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ProfessorKhaos
Total Posts: 622
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lol. looks good to me. :)
Sometimes "reality" seems less real than what we've been trained to see all these years. The opening sequence to star wars (pick your episode) seems far more photogenic than the ones you'll find on NASA TV most of the time. Again this is due to contrast and dynamic range of the image.
Actually, there is a star you can easily see from space near the Earth. It's called the sun, but now I'm getting too nit-pickety :p |
Post by Rareth // Aug 4, 2006, 11:17am
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Rareth
Total Posts: 149
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ok did a planet with nurbs this time... |
Post by spacekdet // Aug 4, 2006, 1:19pm
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spacekdet
Total Posts: 1360
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Here's something you might enjoy researching:
http://ciclops.org/ir_index.php?id=9
There's tons more under the Imaging Diary (http://ciclops.org/ir_index_main.php) link.
I especially liked this one. (http://ciclops.org/view.php?id=531) |
Post by Steinie // Aug 4, 2006, 1:33pm
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Steinie
Total Posts: 3667
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http://hubblesite.org/gallery/album/
Ok colorized but awesome. |
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