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If you have been following V-Ray Tuner for a while, you’ll know I use the per-light render feature quite a bit to make flexible composites that can be rendered once and adjusted in post. While working on my last job for Reader’s Digest, I added per-light render support for the self-illumination values of V-Ray Materials. The self-illumination value in the V-Ray Material can be an uncorrected colour swatch, a gamma correct with anything plugged into it or it can be a file texture. I made sure that this script works fine with a mix of meshes with V-Ray Light Materials and meshes with V-Ray Materials with self-illumination:
It took some work to set that up but it’s bulletproof from what I can tell – it’s only noisy because of the quick render settings I used. I’d like to eventually add the exposure tweaking feature to material-based lights but that will have to wait. The workflow is straightforward: select your meshes that have either type of material, run PerLightRender and you’ve got a very flexible set of images for compositing and your scene is left untouched. Keep in mind that you should be working in a linear workflow for those to add correctly in Nuke or Photoshop.
The other updated feature of V-Ray Tuner 2.7 is to the RT Multi-frame Render script, that lets you use V-Ray RT as an animation renderer for quickly previewing animation renders. I’ve added an option to use the Max Paths Per Pixel option to determine the max render time. This will give you more consistent quality across frames vs. using the RT Max Time Parameter:
There is now an “RT max paths per pixel” slider in the V-Ray RT Settings foldout of V-Ray Tuner so this is easily tweaked and you can change that at any time during the animation render.
Other small changes:
Here’s the V-Ray Tuner download link.
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