How to do Fake GI in with Vray

[DoSe]

I'm rendering an engineering style animation, and don't really think i am getting any great benefit from the bounced light of GI in vray, with just a big hit in rendering times for prepasses etc.

 

Does anyone have any suggestions for how to light an internal white room with shiny metal vessels and tools, so that it gives the impression of GI, but renders quicker?

 

Should i go back to the bad old days of 4 omni lights of varying intensity, with some vray area lights for shadows?

 

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[erickdt]

You can use the VRay ambient light with a VRay Dirt Map as its texture. When you do this you can turn off GI entirely and still get a simulated GI effect.

 

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[DoSe]

That's great, much better than the four omni lights option, many thanks

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[Rick Eloy]

Or you could light the scene as usual with GI and bake everything. You could even render the animation using scanline if you want to, and that's real fast.