Vray - FlickerFree Steps

Render Settings

Indirect Illumination Tab

GI - On

Primary Bounces - Light Cache

Secondary Bounces - LightCache

Light Cache - Calculation Parameters - Subdivs (range 2000*)

Light Cache - Calculation Parameters - Show Calc. Phase

Light Cache - Mode - Mode - Fly-through

Vray Tab

Image Sampler - Sampler type - Fixed Rate

Lighting - Uncheck Default Lights

GI - Tick Don't render final image

It stats in the tutorial to use screen if the scene is really large but generally world scale is ideal for animation. Based on the size of the samples taken during test renders. We will guess what is ideal sample size.

VRay Common - By Frame ( Set appropriate number. 5-30 frames depending on camera speed)

Irradiance Map

Indirect Illumination - Tick Show Calc Phase (should already be ticked)

Mode - Mode - Multiframe Incremental

Vray Tab

GI - Tick Don't render final image