Author Topic: Cloud Library  (Read 150024 times)

Offline Gforce

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Re: Cloud Library
« Reply #120 on: January 28, 2010, 05:52:42 AM »
Some fluffy cumulus clouds, they turn pretty orange with more red sky decay. You may want to turn the samples down as they are pretty high.
« Last Edit: January 30, 2010, 03:44:54 AM by Gforce »
Feel free to visit www.gforce45.deviantart.com

Offline dandelO

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Re: Cloud Library
« Reply #121 on: March 13, 2010, 02:21:48 AM »
Here are some realistic cumulus-fractus clouds.
I've been attempting these for ages now and couldn't get the control I was after. Sometimes you just need to leave an idea for a while and go back to it after a new wave of thinking has had time to creep up and make things all clear. :)

The following variation progression image is the rendered results of moving only one slider upwards, between '0' and '1' and hitting render.

23287-0

These are simply rendered in direct lighting. Of course, they are far more flexible than this...
The cloud layer is fed by two fractals, these are split into two main shader channels for dual-control of the cloud input; 'Form and Seed' and 'Wisp Dominance'.
Pretty self explanatory. The form/seed fractal describes the overall shape of the cloud layer, wisp dominance is how much of this form is 'eaten' and puffed by turbulent wispy noise. 

To use them, simply insert them as a clip file into a scene, connect them as you would any other cloud layer, random seed the form/seed fractal until you get a nice overall shape for your layer and then just begin to raise or lower their wispiness. Use the 'coverage' slider in the wisp dominance layer to add/remove their fractus factor. It's set to default for '0.25' wispiness coverage, a nice happy level. :)
Altitude constraints can also be set in this layer for the wispiness.

If you don't like the pattern of the wispiness but still want to keep the main form of cloud you've got, just change the 'wisp fractal' seed/noise flavour/warp etc. for different variations.

In the clipfile version remember to check the 'blend by shader' boxes of each node the 'distance shader' is plugged into, and attach your render camera to it as well. The distance shader blending is unused in the default clip. It's there if you do want it, though, ready to be enabled.

The cloud layer requires only 47 samples at full quality detail.

That's about it, maybe someone can light them up nicely, I wan't to see some nice red sky decay on the feathers of these birdies! I'm away to play with these myself now. :)

« Last Edit: June 25, 2012, 12:52:30 PM by dandelO »

CCC

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Re: Cloud Library
« Reply #122 on: March 13, 2010, 03:17:42 AM »
I'm game. Give me a bit.

Offline choronr

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Re: Cloud Library
« Reply #123 on: March 14, 2010, 04:05:23 AM »
Thank you dandelO for sharing your knowledge and this file.

Offline domdib

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Re: Cloud Library
« Reply #124 on: April 12, 2010, 05:05:22 AM »
Many thanks!

Offline Henry Blewer

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    • flickr.com/photos/njeneb/
Re: Cloud Library
« Reply #125 on: June 16, 2010, 07:21:13 PM »
Here is the tgc file (clip) for my cloud setup. Just connect the atmosphere to the altocumulous node and the altocumulous node to the Planet node where the atmosphere node was connected.

The density fractal will control the amount of vertical 'stretching' by changing the warp slider value in the warp tab.
http://flickr.com/photos/njeneb/
Forget Tuesday; It's just Monday spelled with a T

Offline domdib

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Re: Cloud Library
« Reply #126 on: June 16, 2010, 07:57:54 PM »
Thanks Henry!

Offline choronr

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Re: Cloud Library
« Reply #127 on: June 16, 2010, 09:12:56 PM »
Thanks Henry; never have enough clouds

Offline FrankB

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Re: Cloud Library
« Reply #128 on: June 17, 2010, 11:07:51 PM »
If you want a sky like the one below, download it now (free): http://store.nwdanet.com/terragen2store/6-terragen-2-presets/7-atmosphere-a-clouds.html


Offline choronr

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Re: Cloud Library
« Reply #129 on: June 17, 2010, 11:19:47 PM »
If you want a sky like the one below, download it now (free): http://store.nwdanet.com/terragen2store/6-terragen-2-presets/7-atmosphere-a-clouds.html


Thank you Frank; this is generous of you; and, will create a multitude of possibilities.

Offline Henry Blewer

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    • flickr.com/photos/njeneb/
Re: Cloud Library
« Reply #130 on: June 17, 2010, 11:24:23 PM »
This is just right for the cloudy area I live in. Thanks!
http://flickr.com/photos/njeneb/
Forget Tuesday; It's just Monday spelled with a T

Offline dandelO

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Re: Cloud Library
« Reply #131 on: June 28, 2010, 11:16:45 PM »
Cirrocumulus + Altocumulus Layers:
25390-0
« Last Edit: June 25, 2012, 12:53:18 PM by dandelO »

Offline dandelO

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Re: Cloud Library
« Reply #132 on: June 30, 2010, 02:48:36 AM »
Oppressive cumulus. Some unclassified, dirty cumuli.

25406-0
« Last Edit: June 25, 2012, 12:54:30 PM by dandelO »

Offline choronr

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Re: Cloud Library
« Reply #133 on: June 30, 2010, 03:00:16 AM »
It makes us feel good that somebody like you continues to come up with these endless possibilities, spreading the enthusiasm.

Offline dandelO

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Re: Cloud Library
« Reply #134 on: June 30, 2010, 02:54:28 PM »
You're all very welcome, and, thank you, Bob. :)
« Last Edit: June 25, 2012, 12:55:17 PM by dandelO »

 

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