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Earth Glow
show user profile  fzuccaro
What is the consensus on attaining a realistic Earth 'glow' such as a thin atmospheric shell around a (mapped) sphere? Something whose opacity quickly tapers off to zero just like a NASA photo. I accomplished this several years ago but I don't remember what I did!

read 677 times
4/27/2008 11:14:12 AM (last edit: 4/27/2008 11:14:12 AM)
show user profile  horizon
Whats with the empty lines?

read 630 times
4/27/2008 5:00:17 PM (last edit: 4/27/2008 5:00:17 PM)
show user profile  bonzepeet

The original thread I pointed to seems to have died but the pointers on using a falloff map in the opacity slot of a second, larger sphere and kleutscher's links should help you out.

read 620 times
4/27/2008 5:13:19 PM (last edit: 4/27/2008 5:13:19 PM)
show user profile  LordPanzer
I think there's supposed to be a picture in there.

Anyway, a falloff map in the opacity slot of a self-illuminated blue sphere should do the trick. I mashed one together.

Here's the falloff mix curve. One cal play around with this for a better result.

Insanity is just a state of mind

read 608 times
4/27/2008 5:28:31 PM (last edit: 4/27/2008 5:34:23 PM)
show user profile  Sypher-5
You can do it with a face camera plane to :P
Signature Pending Redesign

read 598 times
4/27/2008 5:50:37 PM (last edit: 4/27/2008 5:50:37 PM)
show user profile  fzuccaro
No there wasn't supposed to be a picture there, Good idea though. I dunno what the hell happened with extra CR. Thanks for the feedback everyone.
read 563 times
4/28/2008 2:57:54 PM (last edit: 4/28/2008 2:57:54 PM)
show user profile  killerbee2
draw a sphere around the earth, invert normals, use faloff.

read 552 times
4/28/2008 3:26:48 PM (last edit: 4/28/2008 3:26:48 PM)
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