=
R"(
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   Key    Realm    Action
    Space Frame    Block/unblock calculation, increase step number
BackSpace Frame    Block/unblock calculation, decrease step number
   Escape Figure   Finish plane/level editing
   Return Figure   Store edited plane/level value and create new one
   Delete Figure   Delete last plane/level value
    Prior Frame    Show previous figure in single figure mode
    Next  Frame    Show next figure in single figure mode
        a Figure   Start arrow scale editing
        h Frame    Print this help to standard output
        l Figure   Start isolevel editing
        p Frame    Write frame to png
        q Frame    Abort
        r Figure   Reset camera (must left click to see the result)
        x Figure   Start x plane editing (3D only)
        y Figure   Start y plane editing (3D only)
        z Figure   Start z plane editing (3D only)
        A Figure   Toggle axis+box visibility
        B Figure   Toggle boundary cell visibility in vtkfig::GridView
        C Figure   Toggle interior cell visibility in vtkfig::GridView
        E Figure   Toggle elevation view (2D only)
        I Figure   Toggle isosurface view (3D only)
        L Figure   Generate 11 equally spaced isolevels.
        O Figure   Toggle outline visibility
        S Figure   Toggle surface visibility
        W Figure   Toggle wireframe mode 
        * Frame    Toggle single/multi figure view
        ? Frame    Print this help to standard output
        / Figure   Switch signs of cut plane
In  edit   mode,  left  mouse,   as  well  as  cursor   keys  increase
resp. decrease the value of the plane/isolevel/arrowscale, respectively.
Figures must be first clicked on before editing works.
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)"

Help string printed when pressing "h"/"?".

Definition at line 256 of file vtkfigFrame.h.