Graph classes.

Classes
class	TGraph
	A TGraph is an object made of two arrays X and Y with npoints each. More...
class	TGraph2D
	Graphics object made of three arrays X, Y and Z with the same number of points each. More...
class	TGraph2DErrors
	Graph 2D class with errors. More...
class	TGraphAsymmErrors
	TGraph with asymmetric error bars. More...
class	TGraphBentErrors
	A TGraphBentErrors is a TGraph with bent, asymmetric error bars. More...
class	TGraphDelaunay
	TGraphDelaunay generates a Delaunay triangulation of a TGraph2D. More...
class	TGraphDelaunay2D
	TGraphDelaunay2D generates a Delaunay triangulation of a TGraph2D. More...
class	TGraphErrors
	A TGraphErrors is a TGraph with error bars. More...
class	TGraphMultiErrors
	TGraph with asymmetric error bars and multiple y error dimensions. More...
class	TGraphTime
	TGraphTime is used to draw a set of objects evolving with nsteps in time between tmin and tmax. More...
class	TMultiGraph
	A TMultiGraph is a collection of TGraph (or derived) objects. More...
class	TPolyMarker
	A PolyMarker is defined by an array on N points in a 2-D space. More...