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A useful technique for identifying where noise is coming from in a scene is to render to AOVs. Viewing the AOVs enables you to see exactly what samples need to be adjusted. This saves render time because you are not increasing the wrong sampling values unnecessarily. Rollover the AOV images below to see where the noise is coming from in this scene and the sampling values used to reduce the noise.

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SSS samples: 2 (default). Rollover image for 6.

 

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Ray Depth

The images below show the effect of Ray Depth in the scene. Be warned that increasing these values can dramatically increase render times.

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border0
classthinTable

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colspan2

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Image rollover
0specular-ray-depth-1.jpg
1specular-ray-depth-2.jpg
Table Row (tr)
Table Cell (td)
width10px
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Diffuse Ray Depth: 1 (default). Rollover image for 4.

Table Cell (td)
width10px
Center

Specular Ray Depth: 1 (default). Rollover image for 2.

 

 




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