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Description: 
 This function returns a reference to a 
KeyMap
that will be passed to any drawing functions registered using 
astGrfSet. This
KeyMap can be used by an application to pass information to the drawing
functions about the context in which they are being called. The contents of the
KeyMap are never accessed byt the 
Plot class itself.  
Synopsis 
 AstKeyMap
astGetGrfContext(
AstPlot this
)  
 Parameters: 
  this  
 Pointer to the Plot.  
    Returned Value 
  astGetGrfContext()  
A pointer to the graphics context KeyMap. The returned pointer should be annulled when
it is no longer needed.  
    Copyright (C) 2021 East Asian Observatory
  -  ←Prev 
- AST
 A Library for Handling
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Coordinate Systems
 in Astronomy
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