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snowmass2013:analyse_d3 [2013/06/01 02:50]
asc [How to analyze in Java] 		snowmass2013:analyse_d3 [2013/06/01 02:59]
asc
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 ==== How to analyze in PyROOT ==== ==== 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> <code python test.py>
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 t=f.Delphes # extract the tree t=f.Delphes # extract the tree
 h=TH1D('ele','Electron #eta',8,-4,4) # initialize a histogram h=TH1D('ele','Electron #eta',8,-4,4) # initialize a histogram
-c=TCanvas() # build a canvas+c1=TCanvas() # build a canvas
  
 n=0 n=0
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 if (raw_input("Press any key to exit") != "-9999"): if (raw_input("Press any key to exit") != "-9999"):
     c1.Close(); sys.exit(1);     c1.Close(); sys.exit(1);
- 
 </code> </code>
  
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 python test.py file.root python test.py file.root
 </code> </code>
 +
 +You will see this image:
 +{{:snowmass2013:screenshot_from_2013-05-31_21_55_04.png?200|}}
  
 ====How to analyze in Java==== ====How to analyze in Java====
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 MC truth information and most of ROOT files with Delphes outputs 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.  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//  --- //[[[email protected]|Sergei Chekanov]] 2013/03/13 10:23//
  
  
snowmass2013/analyse_d3.txt · Last modified: 2014/04/24 01:51 (external edit)

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