Foci
    The Foci Tab in the Features Toolbox
      contains options for display and selection of loaded and newly
      created foci on brain surfaces and in volumes.
    
      -  Display Foci toggles foci
          display on and off. When Foci Mode
          is turned on, Display Foci is NOT turned on by default.
      - Group: identifies the Foci group
          for the Active Tab. Tabs assigned to the same Group will
          display the same foci with the same attributes. 
      - Foci Attributes contains options
          for viewing foci.
      
        - Contralateral check box toggles
            on display of foci that are currently being displayed on one
            hemisphere to be displayed on the contralateral hemisphere
            (on top of that hemisphere's own displayed foci, if any).
 
- Paste Onto Surface moves the
            foci from their coordinate space to the nearest point
            directly on the surface displayed.
 
- Coloring sets the Class, Name or Standard Color
            as the foci color source.
 
- Standard Color selects the color when Coloring is set to Standard Color.
 
- Draw As sets the shape of the
            foci to Spheres or Squares.
 
- Symbol Diameter sets the size of
            the foci symbols.
 
      
      - Foci Selection controls group and
          individual display selection for foci. If a higher level group
          is selected on or off, all foci below that level will be
          similarly selected on/off. The All On/Off buttons
          allow for quick toggling of all foci on or off.
 
    