Join Donovan Keith for an in-depth discussion in this video Faking global illumination with bounce lights, part of Production Rendering Techniques in Cinema 4D.
Global Illumination adds visual richness to a scene, but it also adds a lot to render times.…If you know that you'll be rendering along animation of an environment with a lot of…moving objects, it might make more sense to spend some time lighting the scene in a way…that simulates GI with standard lights.…You do this so that you don't have to deal with a long render times or the possible flickering…that you might get in a GI solution.…What I have here is a render of an apartment using a radiance cache Global Illumination.…We can see that we are about a minute in, and we are only at one of four passes through our image.…
So I'm going to go ahead and change some settings here.…If you want to accurately simulate Global Illumination, the best reference use is…an image rendered with GI.…What I'm going to do is tweak my settings here so that I can get a really fast and dirty…render that will at least tell me where I should place my lights.…So I'm going to go ahead and edit my Render Settings, and I'm going to change my Global Illumination mode.…
- Modifying depth of field
- Animating rack focus
- Using blurry transparency to create frosted glass
- Understanding global illumination
- Setting up HDRI lighting
- Optimizing render sampling settings
- Preventing over-/underexposure with color mapping
- Using negative lights to selectively darken parts of scenes
Skill Level Intermediate
Mograph Techniques: Spline Dynamics with Cinema 4Dwith EJ Hassenfratz1h 13m Intermediate
1. Physical Renderer
2. Global Illumination
3. Image Sweetening
4. Strategies for Speeding Up Renders
Next steps1m 50s
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