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PyRoot tutorials

Selected examples illustrating how to use ROOT's Python interface: PyROOT.

Files

file  demo.py
 To run, do "python <path-to>/demo.py".
 
file  demoshelp.py
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Display demo help.
 
file  DynamicSlice.py
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Example of function called when a mouse event occurs in a pad.
 
file  fillrandom.py
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FillRandom example
 
file  fit1.py
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Fit example.
 
file  formula1.py
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TF1 example.
 
file  geometry.py
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Geometry
 
file  gerrors.py
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A Simple Graph with error bars
 
file  graph.py
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A Simple Graph Example
 
file  gui_ex.py
 A Simple GUI Example.
 
file  h1ReadAndDraw.py
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A Simple histogram drawing example
 
file  hsimple.py
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This program creates :
 
file  hsum.py
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Simple example illustrating how to use the C++ interpreter
 
file  mrt.py
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Build ROOT Ntuple from other source.
 
file  na49geomfile.py
 Before executing this macro, the file makegeometry.C must have been executed.
 
file  na49view.py
 This macro generates two views of the NA49 detector.
 
file  na49visible.py
 Set visibility attributes for the NA49 geometry Set Shape attributes.
 
file  ntuple1.py
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Ntuple drawing example.
 
file  numberEntry.py
 Example frame with one box where the user can increase or decrease a number and the shown value will be updated accordingly.
 
file  parse_CSV_file_with_TTree_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.
 
file  pyroot001_arrayInterface.py
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This tutorial illustrates the conversion of STL vectors and TVec to numpy arrays without copying the data.
 
file  pyroot002_pythonizationDecorator.py
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This tutorial shows how to use the @pythonization decorator to add extra behaviour to C++ user classes that are used from Python via PyROOT.
 
file  pyroot003_prettyPrinting.py
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This tutorial illustrates the pretty printing feature of PyROOT, which reveals the content of the object if a string representation is requested, e.g., by Python's print statement.
 
file  pyroot004_NumbaDeclare.py
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This tutorial illustrates how PyROOT supports declaring C++ callables from Python callables making them, for example, usable with RDataFrame.
 
file  pyroot005_tfile_context_manager.py
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file  pyroot006_tcontext_context_manager.py
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file  ratioplot.py
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Display two histograms and their ratio.
 
file  shapes.py
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Draw the geometry using the x3d viewver.
 
file  staff.py
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example of macro to read data from an ascii file and create a root file with a Tree.
 
file  surfaces.py
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Surfaces example
 
file  tornado.py
 Tornado example.
 
file  zdemo.py
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This macro is an example of graphs in log scales with annotations.