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Volumetrics in VRay? About Truespace Archives These pages are a copy of the official truespace forums prior to their removal somewhere around 2011. They are retained here for archive purposes only. Volumetrics in VRay? // Archive: Tech Forum 1  |   Order by default Post by MikeNTX // Jul 22, 2007, 6:39am MikeNTX Total Posts: 28 Can VRay 1.51 do volumetrics, fog effects? I cannot seem to get it to work for me. Post by splinters // Jul 22, 2007, 8:14am splinters Total Posts: 4148 Those are Lightworks render effects and are not supported in Vray...at the moment anyway...:o Post by 3dvisuals dude // Jul 22, 2007, 12:46pm 3dvisuals dude Total Posts: 1703 "Vray Volumetrics"..... http://bestsmileys.com/thinking/1.gif You guys are probably going to think I'm crazy saying this (assuming you don't already think that;) ) but I was thinking that it may be possible to create pseudo-volumetrics for Vray renders by enclosing an entire scene (camera, lights, and all) entirely within a semi-transparent textured cube.... kind of like taking an underwater photograph. Food for thought?:confused: - 3dvisuals dude Post by transient // Jul 22, 2007, 6:33pm transient Total Posts: 977 I made this image by compositing a multi-pass LW post-process render layer over a vray image. Basically I rendered the same scene in LW but I made the orb black (and turned off shadows for the orb) and rendered out to diffuse and post-process feature layers (I turned the others off). Then I took the post-process layer from the LW image and put it over the vray render in gimp. The final image is on top, the original vray image is below. I have no idea if this will work for all vray renders as this is the only scene I've tried it with. Post by ProfessorKhaos // Jul 22, 2007, 7:11pm ProfessorKhaos Total Posts: 622 Great workaround Transient! Personally, I'm hoping for volumetric shaders. A box around the scene unfortunately doesn't give much in the way of distance based light scattering and opacity. I'd like to see volumetric shaders in addition to "open air" effects. Probably a huge render time killer though. P.K.

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