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 clones_event.cxx
 
 clones_event.h
 
 csv2tntuple.py
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Build ROOT Ntuple from other source.
 
 csv2tree_ReadStream.py
 This function provides an example of how one might massage a csv data file to read into a ROOT TTree via TTree::ReadStream.
 
 h1analysis.C
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Example of analysis class for the H1 data.
 
 h1analysis.h
 
 h1analysisProxy.C
 Example of analysis class for the H1 data using code generated by MakeProxy.
 
 h1analysisProxy.h
 
 h1analysisProxyCut.C
 
 h1analysisTreeReader.C
 H1 analysis example expressed in terms of TTreeReader (see h1analysis.C).
 
 h1analysisTreeReader.h
 
 h1chain.C
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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.
 
 hsimpleProxy.C
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Used by hsimpleProxyDriver.C.
 
 hsimpleProxyDriver.C
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This is the driver of the hsimpleProxy example.
 
 hsimpleReader.C
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TTreeReader simplest example.
 
 imt_parBranchProcessing.C
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Demonstrate how to activate and use the implicit parallelisation of TTree::GetEntry.
 
 imt_parTreeProcessing.C
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Illustrate the usage of the TTreeProcessorMT::Process method.
 
 JetEvent.cxx
 
 JetEvent.h
 
 mp_fillNtuples.C
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Fill n-tuples in distinct workers.
 
 mp_readNtuplesFillHistosAndFit.C
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Read n-tuples in distinct workers, fill histograms, merge them and fit.
 
 mt_fillNtupleFromMultipleThreads.C
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Fill the same TNtuple from different threads.
 
 mt_fillNtuples.C
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Fill n-tuples in distinct workers.
 
 mt_readNtuplesFillHistosAndFit.C
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Read n-tuples in distinct workers, fill histograms, merge them and fit.
 
 mtbb_fillNtuples.C
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Fill n-tuples in distinct workers.
 
 ntuple1.py
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Ntuple drawing example.
 
 printSizes.C
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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.
 
 run_h1analysis.C
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Macro driving the analysis can specify file name and type
 
 staff.py
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example of macro to read data from an ascii file and create a root file with a Tree.
 
 tree101_basic.C
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Read data from an ascii file and create a root file with an histogram and an ntuple.
 
 tree102_basic.C
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Create can ntuple reading data from an ascii file.
 
 tree103_tree.C
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Simple Event class example
 
 tree104_tree.C
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This example is a variant of hsimple.C but using a TTree instead of a TNtuple.
 
 tree105_tree.C
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This example illustrates how to make a Tree from variables or arrays in a C struct - without a dictionary, by creating the branches for builtin types (int, float, double) and arrays explicitly.
 
 tree106_tree.C
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This example is the same as tree105_tree.C, but uses a class instead of a C-struct.
 
 tree107_tree.C
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Example of a Tree where branches are variable length arrays A second Tree is created and filled in parallel.
 
 tree108_tree.C
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This example writes a tree with objects of the class Event.
 
 tree109_friend.C
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Illustrates how to use Tree friends:
 
 tree110_copy.C
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Copy a subset of a Tree to a new Tree
 
 tree111_copy.C
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Copy a subset of a Tree to a new Tree, one branch in a separate file.
 
 tree112_copy.C
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Example of Root macro to copy a subset of a Tree to a new Tree, selecting entries.
 
 tree113_getval.C
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Illustrates how to retrieve TTree variables in arrays.
 
 tree114_circular.C
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Example of a circular Tree
 
 tree120_ntuple.C
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Simple tree analysis.
 
 tree121_hvector.C
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Write and read STL vectors in a tree.
 
 tree122_vector3.C
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Write and read a Vector3 class in a tree.
 
 tree123_clonesarray.C
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How to write a TClonesArray to a TTree
 
 tree130_jets.C
 Usage of a Tree using the JetEvent class.
 
 tree131_clones_event.C
 Example to write & read a Tree built with a complex class inheritance tree.
 
 tree140_spider.C
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TSpider example.
 
 tree141_parallelcoord.C
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Script illustrating the use of the TParallelCoord class
 
 tree142_parallelcoordtrans.C
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Use of transparency with ||-Coord.
 
 tree143_drawsparse.C
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Convert a THnSparse to a TTree using efficient iteration through the THnSparse and draw a THnSparse using TParallelCoord.
 
 tree200_temperature.C
 This tutorial illustrates how to use the highlight mode with trees.
 
 tree201_histograms.C
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Save histograms in Tree branches
 
 tree202_benchmarks.C
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Benchmark comparing row-wise and column-wise storage performance
 
 tree500_cernbuild.C
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Read data (CERN staff) from an ascii file and create a root file with a Tree.
 
 tree501_cernstaff.C
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Playing with a Tree containing variables of type character
 
 tree502_staff.C
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Create a plot of the data in cernstaff.root To create cernstaff.root, execute tutorial $ROOTSYS/tutorials/io/tree/tree500_cernbuild.C