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Exporting Equirectangular Texture Maps
Exporting Equirectangular Texture Maps
Started by Stephen.Tarheel, January 25, 2019, 06:01:58 PM
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Stephen.Tarheel
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Exporting Equirectangular Texture Maps
January 25, 2019, 06:01:58 PM
Howdy!
I'm messing around with Terragen again after having to focus on real-world stuff and I'm trying to figure out if there's a way to export a "baked" texture map of the whole planet into one equirectangular texture map. I've seen some suggestions about a planet with a negative radius and putting the camera at 0,0,0. Is there now a better way to do it or plans to have a "proper" export function?
Thanks!
Dune
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Re: Exporting Equirectangular Texture Maps
#1
January 26, 2019, 02:45:56 AM
It's very simple. As you have read, just put a minus in front of the planet's radius, copy the center to a render camera , set to spherical, use a render ratio of 1:2, and add all textures into a luminosity input. No GI, or sun needed.
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mhaze
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Re: Exporting Equirectangular Texture Maps
#2
January 26, 2019, 06:11:42 AM
Interesting.
Dune
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Re: Exporting Equirectangular Texture Maps
#3
January 26, 2019, 07:54:03 AM
Yes, but for a little definition you'd need a
ABNORMALLY HUGE
file!
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Stephen.Tarheel
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Re: Exporting Equirectangular Texture Maps
#4
January 26, 2019, 08:39:52 PM
Ahh, good ol' luminosity. mhaze, THANK YOU!
I think I finally found the distortion-free shader maker I've been looking for!
Looks like there's a LOT of flipping that I'll have to do with shaders. It'd be nice to scale by -1 to flip everything inside out or have it so it'd double sided.
But that's a little bit of whining that's massively overshadowed by the fact that it works.
Dune
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Re: Exporting Equirectangular Texture Maps
#5
January 27, 2019, 02:00:21 AM
Yeah, thanks mhaze
There's only one layer, so why flip? If you put a 'layer' of snow over something, the original colours are just replaced. Furthermore, don't forget that textures on vertical slopes will be stretched/condensed, and overlays' textures won't be right either . What is your intention with such a texture anyway?
- DUNE
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Stephen.Tarheel
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Re: Exporting Equirectangular Texture Maps
#6
January 27, 2019, 06:57:40 PM
My intention is to build off the ideas from
http://www.store.nwdastore.com/nvseal-planet-pack
and lower resolution temp, rainfall et all maps and use Terragen as the blending point to make near sat quality maps.
So the flipping that I was referring to was the space that the fractals are generated in. If you flip the planet radius, you'd be changing the xyz used to build the fractals, I think. But I kinda doubt that short of some hard core cartophiles, that would be overlooked.
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Exporting Equirectangular Texture Maps
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