ROOT examples and galleries

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This page features example plots. Click on any image to view it in full size along with the source code.

For more in-depth examples, visit the tutorials page. Visit this page to access a comprehensive list of all available ROOT documentation sources.

This example demonstrates how to use the accessible color schemes with THStack.	Example creating a simple ratio plot of two histograms using the "pois" division option.	Getting Contours From TH2D.
Example of candle plot showing the whiskers definition.	This example demonstrates how to display a histogram and its two projections.	This tutorial illustrates how to create an histogram with hexagonal bins (TH2Poly).

This example show how to put some annotation on a 3D plot using 3D polylines.	Draw three graphs with an exclusion zone.	Show how to shade an area between two graphs
Draw several graphs with exclusion zones.	Create and draw a polar graph with errors and polar axis in radians (PI fractions).	TMultiGraph is used to combine multiple graphs into one plot.

This gallery shows some of the plots (produced using ROOT) presented when the Higgs boson discovery was announced at CERN.

This gallery shows some detector’s geometries produced using ROOT.

This gallery shows the basic graphics tools and some of the visualisation techniques ROOT provides.

Atlas CLs Exclusion	Atlas Data MC Comparison	Atlas P0 Trends
Atlas Signifiance Channel by Channel	CMS 2D Cf-Cv Likelihood Profile	CMS CLs Exclusion Plot
CMS Data MC Ratio Plot	CMS P-Value trends	CMS Tau Discrimination
CMS y MVA Discrimination	CMS γγ Inv. Mass Data MC comparison	MELA Dilepton Channels

Astro Physics example 1	Astro Physics example 2	Astro Physics example 3
Astro Physics example 4	Astro Physics example 5	CMS physics simulation at HIP18 Discovery reach
Coloured scatter plot	Cross-sections vs. centre-of-mass energy for proton-proton interactions	EMB M Wheel
EM response profile	Example of fit	Exclusion graphs
Galaxy view 1	Galaxy view 2	HCAL vs ECAL
High quality plot	Mercury at 14.149 MHz	Minuit fit result on the Graph2DErrors points
Simple tree analysis	Sun view	Z-scaling of Direct Photon Productions in pp Collisions at RHIC Energies

An event display based on ROOT GUI	GUI tools to build applications	ROOT object browser
TBrowser as a code editor	TBrowser to draw histograms

2D histogram rendered with boxes	3D histogram drawn with option BOX	A Compilation of the main Tools and Packages used in HENP offline software between 1970 and 2010
A simple graph	All kind of axis	All kind of boxes
Application Domains	Arrows drawing	Basic 3D shapes
Born equation produced with TLatex	Candle plots	Coloured scatter plot
Directory architecture	Drawing option- TEXT	Ellipse drawing
Error bars plot	Example of contours plot	Example of formulae produced with TLatex
Example of pie chart drawing	Examples of polar graphs	Feynman diagrams
Graph with asymmetric errors	Graph with bent error bars	Histograms with alphanumeric labels
Implicit functions	Iso surface to drawn 3D histogram	List of greek symbols
Markers' styles	Multi-Graph drawing	My first ROOT interactive session
Parallel coordinates	Parametric surfaces 1	Parametric surfaces 2
Parametric surfaces 3	Parametric surfaces 4	Parametric surfaces 5
Polygons' fill styles	Ratio of energy in Xtals for data	Simple graph
Sky maps or exposure maps	Surfaces plots	TLatex Math symbols
Test of random numbers	The color wheel	The elementary particles
The tree data structure	Time on axis	Two legos plots combined