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Reference Guide
demo.py
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1## \file
2## \ingroup tutorial_pyroot
3## To run, do "python <path-to>/demo.py"
4##
5## \macro_code
6##
7## \author Wim Lavrijsen, Enric Tejedor
8
9import os, sys
10import ROOT
11
12# To run, do "python <path-to>/demo.py"
13
14# enable running from another directory than the one where demo.py resides
15workdir = os.path.dirname( sys.argv[0] )
16if workdir:
17 os.chdir( workdir )
18
19# This macro generates a Controlbar menu.
20# To execute an item, click with the left mouse button.
21# To see the HELP of a button, click on the right mouse button.
22
23ROOT.gStyle.SetScreenFactor(1) # if you have a large screen, select 1.2 or 1.4
24
25bar = ROOT.TControlBar( 'vertical', 'Demos', 10, 10 )
26
27# The callbacks to python work by having CLING call the python interpreter through
28# the "TPython" class. Note the use of "raw strings."
29if sys.version_info[0] > 2:
30 to_run = 'exec(open(\'{}\').read())'
31else:
32 to_run = 'execfile(\'{}\')'
33
34bar.AddButton( 'Help on Demos', r'TPython::Exec( "' + to_run.format('demoshelp.py') + '" );', 'Click Here For Help on Running the Demos' )
35bar.AddButton( 'browser', r'TPython::Exec( "b = ROOT.TBrowser()" );', 'Start the ROOT browser' )
36bar.AddButton( 'framework', r'TPython::Exec( "' + to_run.format('../legacy/pyroot/framework.py') + '" );', 'An Example of Object Oriented User Interface' )
37bar.AddButton( 'first', r'TPython::Exec( "' + to_run.format('../legacy/pyroot/first.py') + '" );', 'An Example of Slide with Root' )
38bar.AddButton( 'hsimple', r'TPython::Exec( "' + to_run.format('hsimple.py') + '" );', 'Creating histograms/Ntuples on file', "button" )
39bar.AddButton( 'hsum', r'TPython::Exec( "' + to_run.format('hsum.py') + '" );', 'Filling Histograms and Some Graphics Options' )
40bar.AddButton( 'formula1', r'TPython::Exec( "' + to_run.format('formula1.py') + '" );', 'Simple Formula and Functions' )
41bar.AddButton( 'surfaces', r'TPython::Exec( "' + to_run.format('surfaces.py') + '" );', 'Surface Drawing Options' )
42bar.AddButton( 'fillrandom', r'TPython::Exec( "' + to_run.format('fillrandom.py') + '" );','Histograms with Random Numbers from a Function' )
43bar.AddButton( 'fit1', r'TPython::Exec( "' + to_run.format('fit1.py') + '" );', 'A Simple Fitting Example' )
44bar.AddButton( 'multifit', r'TPython::Exec( "' + to_run.format('multifit.py') + '" );', 'Fitting in Subranges of Histograms' )
45bar.AddButton( 'h1draw', r'TPython::Exec( "' + to_run.format('h1ReadAndDraw.py') + '" );', 'Drawing Options for 1D Histograms' )
46bar.AddButton( 'graph', r'TPython::Exec( "' + to_run.format('graph.py') + '" );', 'Example of a Simple Graph' )
47bar.AddButton( 'gerrors', r'TPython::Exec( "' + to_run.format('gerrors.py') + '" );', 'Example of a Graph with Error Bars' )
48bar.AddButton( 'tornado', r'TPython::Exec( "' + to_run.format('tornado.py') + '" );', 'Examples of 3-D PolyMarkers' )
49bar.AddButton( 'shapes', r'TPython::Exec( "' + to_run.format('shapes.py') + '" );', 'The Geometry Shapes' )
50bar.AddButton( 'geometry', r'TPython::Exec( "' + to_run.format('geometry.py') + '" );', 'Creation of the NA49 Geometry File' )
51bar.AddButton( 'na49view', r'TPython::Exec( "' + to_run.format('na49view.py') + '" );', 'Two Views of the NA49 Detector Geometry' )
52bar.AddButton( 'file', r'TPython::Exec( "' + to_run.format('../legacy/pyroot/file.py') + '" );', 'The ROOT File Format' )
53bar.AddButton( 'fildir', r'TPython::Exec( "' + to_run.format('../legacy/pyroot/fildir.py') + '" );', 'The ROOT File, Directories and Keys' )
54bar.AddButton( 'tree', r'TPython::Exec( "' + to_run.format('../legacy/pyroot/tree.py') + '" );', 'The Tree Data Structure' )
55bar.AddButton( 'ntuple1', r'TPython::Exec( "' + to_run.format('ntuple1.py') + '" );', 'Ntuples and Selections' )
56bar.AddButton( 'rootmarks', r'TPython::Exec( "' + to_run.format('../legacy/pyroot/rootmarks.py') +'" );', 'Prints an Estimated ROOTMARKS for Your Machine' )
57bar.AddSeparator() # not implemented
58bar.AddButton( 'make ntuple', r'TPython::Exec( "' + to_run.format('mrt.py') + '" );', 'Convert a text file to an ntuple' )
59
60bar.Show()
61
62ROOT.gROOT.SaveContext()
63
64
65## wait for input to keep the GUI (which lives on a ROOT event dispatcher) alive
66if __name__ == '__main__':
67 rep = ''
68 while not rep in [ 'q', 'Q' ]:
69 # Check if we are in Python 2 or 3
70 if sys.version_info[0] > 2:
71 rep = input( 'enter "q" to quit: ' )
72 else:
73 rep = raw_input( 'enter "q" to quit: ' )
74 if 1 < len(rep):
75 rep = rep[0]
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void input
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char Pixmap_t Pixmap_t PictureAttributes_t attr const char char ret_data h unsigned char height h Atom_t Int_t ULong_t ULong_t unsigned char prop_list Atom_t Atom_t Atom_t Time_t UChar_t len