Adobe 12040118 - After Effects Standard Tutorial page 490

Cartoon effect applied with Render set to Fill
Cartoon effect applied with Render set to Edges
Cartoon effect applied with Render set to Fill & Edges
Cartoon effect properties
Render Fill, Edges, or Fill & Edges. Determines which operations to perform and which results to display.
Detail Radius The radius for the blurring operation that is used to smooth the image and remove details before the operation to find edges. A
larger radius for a blur means that more pixels are averaged together to determine each pixel value, so increasing the Detail Radius value
increases the blurriness.
Detail Threshold The blur operation that the Cartoon effect performs is similar to that used by the Bilateral Blur effect. (See Bilateral Blur effect.)
The radius of the blur is automatically decreased in areas where an edge or other prominent detail exists. The Detail Threshold value determines
how the Cartoon effect decides what areas contain features to be preserved and what areas should be blurred by the full amount. A lower Detail