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how do you make clouds with Mr Sun?
show user profile  cbflex
So I want to try to recreate this image in 3D.

Getting the landscape, grass, and sun is really easy. I'm finding that making clouds that can reflect the sun and fade out towards the edges to be really difficult and I'm simply running out of options. I tried almost every option. I've been using the arch and design material for everything. any ideaS?
read 3570 times
6/1/2010 8:12:56 AM (last edit: 6/1/2010 8:12:56 AM)
show user profile  Davious
are you using particles? getting clouds to look like this , not easy.
Maybe messing with opacity maps.

post up a pic of what you have

" Difficult, yes. Impossible , no..."
read 3554 times
6/1/2010 10:53:24 AM (last edit: 6/1/2010 10:53:24 AM)
show user profile  Paunescudanutz
This tutorial might be what you need, i think its the closest method of creating clouds like the ones you need, good luck and keep updating progress i'm curious


<---~( Daniel )~--->

read 3531 times
6/1/2010 1:57:46 PM (last edit: 6/1/2010 1:57:46 PM)
show user profile  cbflex
I'm not using particles. I was thinking of make like one huge landscape mesh type of thing, and then apply a material to it that would give it the properties of a volumetric material. I've tried using the parti volume shader for the volume box in arch and design, but it's not coming out right or it takes waaay too long to render.
I already looked at that tutorial, and I don't feel that it's what I'm looking for because it uses the regular materials which aren't physically accurate.
read 3481 times
6/1/2010 11:42:40 PM (last edit: 6/1/2010 11:42:40 PM)
show user profile  toldaddy
I'm not using particles. I was thinking of make like one huge landscape mesh type of thing
You thought wrong son!

A few ground rules: 1.You can't pan around the clouds in an animation, 2. it hates direct shadows, and 3. it requires a lot of tweaking. But it's good for still shots, and it will love you for who you are, and best of all no plug ins are required... Behold.. I bring you..... Clouds.:

[edit] and shrink down that image, it's 'uuuuuge! ;)

read 3469 times
6/2/2010 12:29:24 AM (last edit: 6/2/2010 12:37:56 AM)
show user profile  parkerfamily
that there's some mighty HDR...
read 3441 times
6/2/2010 3:35:10 AM (last edit: 6/2/2010 3:35:10 AM)
show user profile  Dub.
couple of quick cloud renders from terragen. These took only a few mins to set up each.

read 3437 times
6/2/2010 4:01:48 AM (last edit: 6/2/2010 4:01:48 AM)
show user profile  toldaddy
niiice dub.

read 3432 times
6/2/2010 5:10:38 AM (last edit: 6/2/2010 5:10:38 AM)
show user profile  twitt
I honestly though you posted some photos before I read what you posted, Dub.


read 3409 times
6/2/2010 10:18:58 AM (last edit: 6/2/2010 10:18:58 AM)
show user profile  Davious
cant see your images Dub..

" Difficult, yes. Impossible , no..."
read 3401 times
6/2/2010 11:04:41 AM (last edit: 6/2/2010 11:04:41 AM)
show user profile  BishBashRoss
Cool stuff Dub. Can you output those to HDRI files for max etc?

read 3389 times
6/2/2010 3:04:21 PM (last edit: 6/2/2010 3:04:21 PM)
show user profile  cbflex
Hey guys, thanks for all the feedback. So I've been doing a lot of heavy research on this subject. So let me briefly restate what I'm trying to accomplish in a little more detail.
I want to be able to render a three dimensional cloud using Mental Ray in 3ds Max.
I've done my homework and this is what I can say.
There are programs like pyrocluster which do the job REALLY good, only problem is that they don't render in Mental Ray. You'll have error messages and no cloud will be rendered. However if you render in default scanline, it will appear and look great.
Then there's a plugin which you can use as a plugin or standalone program called Vue 8Xstream. It does render 3D clouds in Mental Ray, except the only problem here is that it replaces mr sky with it's own sky. The software developers say it's physically accurate, but I will always feel that Autodesk is the king of physical accuracy. Hey, maybe I'm wrong, it could be better. And if you try to import the cloud objects or the materials from the standalone into 3ds max, it doesn't come out at all. You just get a bunch of perfect spheres with a standard material of white and nothing special.
The plugin DUB uses, from what I understand, only makes planes or skydomes of skies... Not actual 3d clouds that you can go through.

After a lot of frustration I decided to just try to do it completely in 3ds Max. and I found some not bad solutions.
With a reflection value of .6, glossiness .43, a falloff map in the color box thingy
a refraction value of .4, glossiness of .43, and an instance of the falloff map,
and instance of the fall off map in the cutout box.
Some images also have the parti volume shader in both the volume box and the photon volume box.
That's basically it for the material. The model I used is the teapot with a displace modifer attached to it. The displace modifer has a smoke map in it... play with it. The strenth of the displace modifier is 15feet.
The plane is just an ordinary arch and deisgn preset (glossy wood).

What do you guys think of these images?

teapot with shaders enabled, with GI enabled and a high min step value in parti volume shaders:
teapot with shaders with G high min step value

Teapot without shaders
teapot without shaders

Teapot with shaders and with GI
teapot with shaders with GI

Teapot with shaders and without GI
teapot with shaders
read 3355 times
6/2/2010 7:50:10 PM (last edit: 6/2/2010 11:43:07 PM)
show user profile  toldaddy
umm. it's ugly? I think you'd be better off using a plug in and comping it in post.

read 3345 times
6/2/2010 8:25:25 PM (last edit: 6/2/2010 8:25:25 PM)
show user profile  cbflex
This is so far what I'm able to achieve with Vue 8Xstream.

This scene does not use MR sun or Mr sky or Mr physical sky... what a shame.
cloud heaven with vue

read 3330 times
6/2/2010 8:52:33 PM (last edit: 6/2/2010 8:52:33 PM)
show user profile  BishBashRoss
Those clouds look like shit, literally.

read 3317 times
6/2/2010 10:26:16 PM (last edit: 6/2/2010 10:26:16 PM)
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