OTOY Forums

I was curious to see what sort of effect could be achieved by instancing a lot of planes with a cloud texture on it to try and get a volumetric look. The result isn't too bad (except for the sharp-looking bits on the right), but it's completely impractical as it takes forever to render. Definitely not worth it just to get a few 3D clouds in your scene. I used the cloud texture to define opacity on a diffuse material. Pretty simple.
This is the texture I used.

probably having some blob mesh (3d) with a bit of sss & other tweeks might be a better idea? =)

I did these with several layers and turbulence node applied to scattering.

Nice test. Can we see the node setup?

woah! You can see at my own thread (http://render.otoy.com/forum/viewtopic.php?f=9&t=26161) that a few of us tried to get similar effects but got strange surfaces, among other problems... how did you get yours to work so well?

Yeah, I tried your method too, profbetis, but couldn't get the look I wanted.

this is seriously Beatiful!
Have You used the sme texture on the last two images?

keep playing, curious where You'll end up, Daniel =)

cheers

I got these by creating a vertical array of very thin cubes (100 of them), and plugging a turbulence texture (with colour correction node) into opacity. This works for diffuse, glossy and specular, all with a different look. I didn't have time to play with the settings to get something that looked nice, or the time to let it render long enough to clear the noise (4:28 mins on a GTX460), but I figured it would be useful to share as is anyway.

Tried this using pflow and an instanced card mesh with camera facing particle sprites.

Ok for far clouds but the closer you get it gets really slow and noisy.

Dave