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General => Terragen Discussion => Topic started by: Will on January 14, 2007, 09:48:29 AM

Title: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Will on January 14, 2007, 09:48:29 AM
Hey everone it occured to me after reading mayda's topic I thought about it and found that have acces to half the visable stars might be helpful to the community so you can get it at http://worldwind.arc.nasa.gov/ it comes with World Wind (a google earth like program) also a version that allows you to see Mars and the Moon and the Sloan Sky survay which has everthing you will ever need for a star map, you can even find some galixys if you look close enough ;)
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Dark Fire on January 14, 2007, 10:41:53 AM
NASA World Wind is quite good. I used to use it before Google Earth became popular.
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Will on January 14, 2007, 10:49:25 AM
Yes they have added some features but I think the real gem in the program is the sky survay becuase Google earth has done a great job in making satlite photgraphy availble to the public. Nasa still has the sky covered though.
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Will on January 14, 2007, 02:00:38 PM
Here I used Mayda's way with a backround found in the Sloan Sky Survay
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: BPauba on January 14, 2007, 03:13:40 PM
What kind of resolution are you guys using? (For the star images)
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Will on January 14, 2007, 03:18:55 PM
mine are all in 1280 by 960 then i blew them up or scaled them down in PS to what even works. Its kind of hard becuase it delpends on what you are trying to acheive, I think for the render I did above the stars are a tad to big so scale it to what you need.
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Dark Fire on January 14, 2007, 05:29:02 PM
Nice picture...
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: BPauba on January 14, 2007, 05:32:30 PM
Quote from: Will on January 14, 2007, 03:18:55 PM
mine are all in 1280 by 960 then i blew them up or scaled them down in PS to what even works. Its kind of hard becuase it delpends on what you are trying to acheive, I think for the render I did above the stars are a tad to big so scale it to what you need.

Why I am asking is because I can make some starfields for you guys if you would like...
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Will on January 14, 2007, 06:01:16 PM
Oh cool,hmmm well maybe 300dpi becuase then they could be used for prints. I dont know really since im not sure exactly how the backround works and whether it scales the imge or just projects its. Any thoughts guys?
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Angealus on January 14, 2007, 08:56:52 PM
Used the sloan image for this render. Thanks for the info on the program btw. You can use the sloan imager to move in or out away from the star fields to get as close or as far away from them as you like. The problem lies in the background shader import. You have to move your fov around until you are centered in the starfield.
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Will on January 15, 2007, 07:51:01 AM
neat, yes Have you realized that a ton of the stars in the survay seem to be red, weird.

regards

Will
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: FrankThomas on January 15, 2007, 08:50:30 AM
[tongue firmly in cheek]

Have you never heard of the expansion of the universe and redshift of stars ?

[/tongue firmly in cheek]
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Will on January 15, 2007, 08:54:47 AM
yea yea, I just found it intresting. :P

heh

Best regards

Will
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Dark Fire on January 15, 2007, 09:15:25 AM
Those blue planets look very suspicious...
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Will on January 15, 2007, 09:17:15 AM
(que dramatic music)
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: mayda on January 15, 2007, 10:06:08 AM

i'm really impressed by your planet settings! wow!!!
also thanks for the link... for sure very helpful, not just for stars :)
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Will on January 15, 2007, 10:08:08 AM
thanks, I can post the .tgd if anyone wants it.

regards

Will
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: mayda on January 15, 2007, 10:12:38 AM
i was tryin' to create a planet like yours ... this is the very first try....
not satisfied....
looks definitely unreal....
it will be a real pleasure to know your secret about this!

Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Will on January 15, 2007, 10:17:48 AM
the clouds look nice but you need to make the depth a lot thicker ( I think I used 15000 or somthing) are you using a power fractle or a planet shader for the planet?
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: mayda on January 15, 2007, 10:21:52 AM
i've used a fractal terrain and a planet surface....
water level was a negative value...(the water surfaces affect the highfield  :-\)
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: mayda on January 15, 2007, 10:22:33 AM
thanks for share your file! i'll see it as soon as possible  :D
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Will on January 15, 2007, 10:22:50 AM
are you using acualy water or are you using the "Ocean" from the planet shader?
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: mayda on January 15, 2007, 10:28:25 AM
ocean level = negative value
i've seen that you've any terrain to generate your earth!
marvellous atmosphere :)
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: ShockFire on January 15, 2007, 10:31:43 AM
An easy way to get highres screenshots from WorldWind would be to use
http://www.worldwindcentral.com/wiki/Add-on:Big_screenshot_%28panorama%29 or
http://www.worldwindcentral.com/wiki/Add-on:Tile_Render_%28plugin%29
(but make sure you don't go over the res of data itself)
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Will on January 15, 2007, 10:31:55 AM
yes the only terrien is that generated by the planet shader (which acualy created depth). The Ocean is intresting since Iv found that water levl does not acualy do anything currently but by increating the conteinet apmlitute variation ( I can't spell :) ) you can increate the size of your land.

Regards,

Will
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Will on January 15, 2007, 10:33:11 AM
Quote from: ShockFire on January 15, 2007, 10:31:43 AM
An easy way to get highres screenshots from WorldWind would be to use
http://www.worldwindcentral.com/wiki/Add-on:Big_screenshot_%28panorama%29 or
http://www.worldwindcentral.com/wiki/Add-on:Tile_Render_%28plugin%29
(but make sure you don't go over the res of data itself)

Good find!

Regards,

Will
Title: Re: NASA's World Wind Sloan Sky Survay (Great for stars)
Post by: Angealus on January 15, 2007, 01:08:06 PM
Here's my tgd file if you want to see the planetary placment.