Ambient Occlusion attributes

Samples

 

Spread 

White

When the ratio of the ray hits/total rays is zero usually the output is considered fully unoccluded or Bright.

Black

FallOff

Near Clip

Far Clip

 

Normal

Invert Normals

Self Only

Trace Set

Ambient occlusion excluded from Torus as 'the_sphere' is set in the shader. Scene file here.

Inclusive