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Graphical output from AST is performed though an Object called a Plot,
which is a specialised form of FrameSet. A Plot does not represent the
graphical content itself, but is a route through which plotting
operations, such as drawing lines and curves, are conveyed on to a
plotting surface to appear as visible graphics.
Next: The Plot Model
Up: AST A Library for Handling World Coordinate Systems in Astronomy
Previous: Managing Transformation Routines in Libraries
AST A Library for Handling World Coordinate Systems in Astronomy
Starlink User Note 210
R.F. Warren-Smith & D.S. Berry
30th April 2003
E-mail:ussc@star.rl.ac.uk
Copyright (C) 2003 Central Laboratory of the Research Councils