2D Graphics

The 2D graphics related classes.

Modules
	libAfterImage interface
	Classes interfacing to libAfterImage.
	FITS file
	Interface to FITS file.
	Graphics pad
	The TPad related classes.
	Basic graphics
	The low level graphics classes.
	graphviz interface
	Interface to the graphing package graphviz
	Graphics file output
	Interfaces to various file output formats.