The Optical settings let you edit and correct optical data associated with an optical root. When you import a data file containing optical data, an optical root is automatically created.
The Optical Settings are divided into three main areas:
Use the Optical Settings to edit active optical data. When processing optical data, the Optical settings set up Rigid bodies that solve occlusions in real-time.
Active optical data refers to optical markers that are not set to Done in the Label pane (Optical Options). When set to Done, optical markers are no longer active in the Optical settings and can be filtered using the FCurves window.
The difference between active optical data and non-active optical data (markers set to Done) is a basic concept that should be understood before using the Optical settings. There are many other basics and terminology that may be of help when using the Optical settings.