Gas Giant WIP

[Sethren]

My first test concerning gas giants.

A number of problem spots must be solved though.

1: Figure out why there is a series of banded clouds only isolated in one section.
2: The clouds look more like a terrain, they need to be more softened.
3: I need to find a way to make single bands isolated to there own regions.
4: I need small-scale turbulence.
5: More cloud layers and colors.
6: i need small-scale coriolis effects.

[Virex]

Limiting bands to certain areas? That ought to be possible using the node network. Try limiting the Y at which the clouds appear with either a boolean or an inverted quadratic function.

[Will]

Also you can plug in the atmo shader into the terrain if you need to.

[glen5700]

Looks like planer mapping thats causing the stretching of your shader, changing it to spherical should solve the stretching.

HTH,
Glen

[moodflow]

Looks like you need to increase the smallest scale.  Otherwise you get that octave fractal look, where the fractal repeats itself, only smaller and smaller.  I usually use a 1/10 approach, where smallest scale is 1/10th the regular scale.

As for the banding, do you have the fractal dimensions in the X or Z planes stretched at all?

[dhavalmistry]

that looks very nice...

[Arandil]

Needs more 'gassy' .. dunno ..

[Sethren]

Working on it.       I need a faster PC.   

[rcallicotte]

Sethern, I would have tried to respond, but yesterday was a requirements jungle.  Now that I have a brain to look at it, I'd say your own suggestions, once implemented, should be all you need.  And nvseal's input would always be helpful.   

[Sethren]

Alright, i fixed the stretch issue as i had to have both axis' stretched and went to 100 on both. Also i do not think it is possible to have small scale turbulence that i wanted to have. We need a twist function feed to the cloud node. I can not have that corolis effect i am looking for for the small scale details it seems.

[rcallicotte]

This is different and has potential.

[child@play]

nice, but you may try not to stretch the clouds so much, but rather adjust the clouds feature and smallest scales, so that you get bigger structures with more swirl and detail

[Sethren]

It's a Gas Giant, overall there is supposed to be long cloud bands. The swirls and details indeed is what i need but i do not know of a shader that swirls. Overall the clouds need to be softer a bit and many more layers.

[child@play]

yeah, what i meant was that you can achieve cloud bands on another way too. i was thinking of something like this (sorry for posting a pic in your thread)

[Sethren]

No worries, were all testing our ideas here.       I see what you mean, the cloud banding like this can be for smaller gaseous planets were winds are not as powerful as it is the very high velocity winds that cause the effect of longer cloud bands. This could be useful for thicker atmospheric worlds like Venus as well.