volumetric light reflection.Is it possible???

[Carltheshivan]

3ds Max always reflects volumetric lights. Just make a mirror globe and a volumetric light and it should work without you having to do anything special.

[parvu]

Thanks for the reply, but it's not working as you said

[ssk]

Max doesn't reflect volume light.

[jeremybirn]

I think you could do what you want in Mental Ray, using Caustics to reflect the photons off the mirrors, and a photon volume shader to make the photon path through space visible. (Please don't ask me which photon volume shader or how to do this in max, though, this is only a suggestion that I know it is possible in mental ray.)

-jeremy

[rendermaniac]

You are probably going to get faster and more controllable results if you use geometry or particles and a shader/2d trick to get that sort of effect. I suspect doing it physically correctly would give you a world of pain.

Simon

[jeremybirn]

You are probably going to get faster and more controllable results if you use geometry or particles and a shader/2d trick to get that sort of effect. I suspect doing it physically correctly would give you a world of pain.

That's true. My post above mentioned something possible, not necessarily practical.

-jeremy

[Carltheshivan]

Max doesn't reflect volume light.


Am i missing something? Because it is reflecting volume light in that very picture you attached to show that it doesn't.

...Or are you guys just messing with me?

[moidphotos]

What they mean is Max can't cause a volumetric in the form of a ray of light to hit a reflective surface and then bounce off at an angle away from its original source, as shown in the photo at the start of the thread - green lasers hitting the mirror ball and bouncing (reflecting) off it. THe render shows a reflection of a volumetric in the surface of the mirror, but that volumetric does not bounce away from the mirror. Hope that makes sense:)

[Carltheshivan]

OH! I didn't realize what you guys were talking aobut before. Now I do. AFAIK, the only thing you can do is fake it by making a second volumetric light coming from where the first light hits.

[ssk]

I think the better way in this case with laser beams is geometry.

[Michael McCarthy]

finalRender can do this no problem. We have even posted a set of training videos recently that show the use of volume caustics. Just follow the link and click on Volume Caustics in the videos menu.

Geometry will likely be faster but maybe not as realistic. Caustics in fR are very fast so check it out and see :)

http://www.cebas.com/news/read.php?UD=10-7888-33-788&NID=162


Thanks
Michael McCarthy

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