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file | basic.C |
| Read data from an ascii file and create a root file with an histogram and an ntuple.
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file | basic2.C |
| Create can ntuple reading data from an ascii file.
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file | bill.C |
| Benchmark comparing row-wise and column-wise storage performance
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file | cernbuild.C |
| Read data (CERN staff) from an ascii file and create a root file with a Tree.
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file | cernstaff.C |
| Playing with a Tree containing variables of type character
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file | circular.C |
| Example of a circular Tree
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file | clonesA_Event.C |
| Example to write & read a Tree built with a complex class inheritance tree.
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file | copytree.C |
| Copy a subset of a Tree to a new Tree
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file | copytree2.C |
| Copy a subset of a Tree to a new Tree, one branch in a separate file.
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file | copytree3.C |
| Example of Root macro to copy a subset of a Tree to a new Tree, selecting entries.
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file | drawsparse.C |
| Convert a THnSparse to a TTree using efficient iteration through the THnSparse and draw a THnSparse using TParallelCoord.
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file | h1analysis.C |
| Example of analysis class for the H1 data.
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file | h1analysisProxy.C |
| Example of analysis class for the H1 data using code generated by MakeProxy.
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file | h1chain.C |
| Creates a TChain to be used by the h1analysis.C class the symbol H1 must point to a directory where the H1 data sets have been installed.
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file | hsimpleProxy.C |
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file | hsimpleProxyDriver.C |
| This is the driver of the hsimpleProxy example It provides the infrastructure to run that code on an ntuple To be run from the tutorials directory
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file | hsimpleReader.C |
| TTreeReader simplest example.
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file | htest.C |
| Save histograms in Tree branches
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file | hvector.C |
| Write and read STL vectors in a tree.
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file | jets.C |
| Usage of a Tree using the JetEvent class.
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file | ntuple1.C |
| Simple tree analysis.
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file | parallelcoord.C |
| Script illustrating the use of the TParalleCoord class
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file | parallelcoordtrans.C |
| Use of transparency with ||-Coord.
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file | printSizes.C |
| This macro can be used to get aggregate information on the size take on disk or in memory by the various branches in a TTree.
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file | run_h1analysis.C |
| Macro driving the analysis can specify file name and type
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file | spider.C |
| TSpider example.
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file | staff.C |
| Create a plot of the data in cernstaff.root To create cernstaff.root , execute tutorial $ROOTSYS/tutorials/tree/cernbuild.C
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file | tcl.C |
| How to write a TClonesArray to a TTree
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file | tree.C |
| Display the Tree data structures
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file | tree0.C |
| Simple Event class example
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file | tree1.C |
| This example is a variant of hsimple.C but using a TTree instead of a TNtuple.
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file | tree2.C |
| This example illustrates how to make a Tree from variables or arrays in a C struct.
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file | tree2a.C |
| This example is the same as tree2.C, but uses a class instead of a C-struct.
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file | tree3.C |
| Example of a Tree where branches are variable length arrays A second Tree is created and filled in parallel.
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file | tree4.C |
| This example writes a tree with objects of the class Event.
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file | treefriend.C |
| Illustrates how to use Tree friends:
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file | treegetval.C |
| Illustrates how to retrieve TTree variables in arrays.
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