FormationDesignGUI:

Path: FormationFlying/Visual

% Formation Design GUI.

 Use this tool to design the trajectories and the team organization of
 multiple spacecraft formations.
   
 Initialize the GUI by typing its name:

        FormationDesignGUI

 For detailed instructions on how to use the GUI, click on "Help" from
 the figure menu, or type:

        FormationDesignGUI('help')
   
 You may load the reference orbital elements from the command line by
 typing:
        FormationDesignGUI( 'load orbit', el )

   where "el" is a 1x6 vector of orbital elements: [a, i, W, w, e, M]

        a  -  semi-major axis   [km]
        i  -  inclination       [deg]
        W  -  right ascension   [deg]
        w  -  perigee           [deg]
        e  -  eccentricity
        M  -  mean anomaly      [deg]

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   Form:
   FormationDesignGUI( action, modifier );
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   ------
   Inputs
   ------
   action           (:)  Action to be taken by the GUI
   modifier         (:)  Accompnying data

   -------
   Outputs
   -------
   none

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