Directories | |
dictionary | |
Files | |
clones_event.cxx | |
clones_event.h | |
csv2tntuple.py | |
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 | |
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 | |
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 | |
Used by hsimpleProxyDriver.C. | |
hsimpleProxyDriver.C | |
This is the driver of the hsimpleProxy example. | |
hsimpleReader.C | |
TTreeReader simplest example. | |
imt_parBranchProcessing.C | |
Demonstrate how to activate and use the implicit parallelisation of TTree::GetEntry. | |
imt_parTreeProcessing.C | |
Illustrate the usage of the TTreeProcessorMT::Process method. | |
JetEvent.cxx | |
JetEvent.h | |
mp_fillNtuples.C | |
Fill n-tuples in distinct workers. | |
mp_readNtuplesFillHistosAndFit.C | |
Read n-tuples in distinct workers, fill histograms, merge them and fit. | |
mt_fillNtupleFromMultipleThreads.C | |
Fill the same TNtuple from different threads. | |
mt_fillNtuples.C | |
Fill n-tuples in distinct workers. | |
mt_readNtuplesFillHistosAndFit.C | |
Read n-tuples in distinct workers, fill histograms, merge them and fit. | |
mtbb_fillNtuples.C | |
Fill n-tuples in distinct workers. | |
ntuple1.py | |
Ntuple drawing example. | |
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. | |
run_h1analysis.C | |
Macro driving the analysis can specify file name and type | |
staff.py | |
example of macro to read data from an ascii file and create a root file with a Tree. | |
tree101_basic.C | |
Read data from an ascii file and create a root file with an histogram and an ntuple. | |
tree102_basic.C | |
Create can ntuple reading data from an ascii file. | |
tree103_tree.C | |
Simple Event class example | |
tree104_tree.C | |
This example is a variant of hsimple.C but using a TTree instead of a TNtuple. | |
tree105_tree.C | |
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 | |
This example is the same as tree105_tree.C, but uses a class instead of a C-struct. | |
tree107_tree.C | |
Example of a Tree where branches are variable length arrays A second Tree is created and filled in parallel. | |
tree108_tree.C | |
This example writes a tree with objects of the class Event. | |
tree109_friend.C | |
Illustrates how to use Tree friends: | |
tree110_copy.C | |
Copy a subset of a Tree to a new Tree | |
tree111_copy.C | |
Copy a subset of a Tree to a new Tree, one branch in a separate file. | |
tree112_copy.C | |
Example of Root macro to copy a subset of a Tree to a new Tree, selecting entries. | |
tree113_getval.C | |
Illustrates how to retrieve TTree variables in arrays. | |
tree114_circular.C | |
Example of a circular Tree | |
tree120_ntuple.C | |
Simple tree analysis. | |
tree121_hvector.C | |
Write and read STL vectors in a tree. | |
tree122_vector3.C | |
Write and read a Vector3 class in a tree. | |
tree123_clonesarray.C | |
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 | |
TSpider example. | |
tree141_parallelcoord.C | |
Script illustrating the use of the TParallelCoord class | |
tree142_parallelcoordtrans.C | |
Use of transparency with ||-Coord. | |
tree143_drawsparse.C | |
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 | |
Save histograms in Tree branches | |
tree202_benchmarks.C | |
Benchmark comparing row-wise and column-wise storage performance | |
tree500_cernbuild.C | |
Read data (CERN staff) from an ascii file and create a root file with a Tree. | |
tree501_cernstaff.C | |
Playing with a Tree containing variables of type character | |
tree502_staff.C | |
Create a plot of the data in cernstaff.root To create cernstaff.root , execute tutorial $ROOTSYS/tutorials/io/tree/tree500_cernbuild.C | |