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--- snowmass2013:analyse_d3 [2013/06/01 02:49]
asc
+++ snowmass2013:analyse_d3 [2014/04/24 01:51] (current)
@@ Line 3: / Line 3: @@
 ==== How to analyze in C++ ====
-This example shows how to run a program over all files in a certain directory, fill histograms (pT and jet mass) and
+This example shows how to run a C+= program over all Delphes ROOT files located in  a certain directory, fill histograms (pT and jet mass) and save them in an output ROOT file.
-save histograms in an output ROOT file.
 Look at the workbook of Delphes3 [[https://cp3.irmp.ucl.ac.be/projects/delphes/wiki/WorkBook| Delphes3 workbook]].
@@ Line 69: / Line 68: @@
 ==== How to analyze in PyROOT ====
-If ROOT was compiled using "python" option, you can use PyROOT to loop over events. Here is a small example to plot transverse moment of electrons (based on the original code of Peter Onyisi with some modifications):
+If ROOT was compiled using "python" option, you can use PyROOT to loop over events. Here is a small example to plot transverse moment of electrons (based on the original code of Peter Onyisi, with some modifications, see
+[[https://indico.cern.ch/getFile.py/access?contribId=5&resId=0&materialId=slides&confId=255032| his talk]]):
 <code python test.py>
@@ Line 86: / Line 86: @@
 t=f.Delphes # extract the tree
 h=TH1D('ele','Electron #eta',8,-4,4) # initialize a histogram
-c=TCanvas() # build a canvas
+c1=TCanvas() # build a canvas
 n=0
@@ Line 98: / Line 98: @@
 if (raw_input("Press any key to exit") != "-9999"):
     c1.Close(); sys.exit(1);
 </code>
@@ Line 105: / Line 104: @@
 python test.py file.root
 </code>
+You will see this image:
+{{:snowmass2013:screenshot_from_2013-05-31_21_55_04.png?200|}}
 ====How to analyze in Java====
+MC truth information and most of ROOT files with Delphes outputs
+ are stored in the PROMC file format which can be analyzed on any platform.
+Read this [[snowmass2013:analyse_d36_promc| this section]].
  --- //[[[email protected]|Sergei Chekanov]] 2013/03/13 10:23//

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