Name
EdgeBrush -- detect edges within a brush (V5.0)
Synopsis
EdgeBrush(id[, radius])
Function
This command can be used to detect edges with a brush. The optional argument radius can be used to specify the search radius. The larger the radius you specify here, the longer this function needs to execute. If you do not specify the optional argument, EdgeBrush() will choose an appropriate radius automatically.

Note that this function cannot be used with palette brushes.

Inputs
id
brush to modify
radius
optional: search radius (defaults to 0 which means that the radius will be chosen automatically)
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