/[PAMELA software]/PamelaLevel2/doc/examples/README.txt
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revision 1.2 by pam-fi, Fri Aug 4 13:31:34 2006 UTC revision 1.4 by pam-fi, Wed Jan 3 13:28:50 2007 UTC
# Line 5  The macros need as input the name of a L Line 5  The macros need as input the name of a L
5  example1 - Example to integrate all detector info and solve the y-view tracks ambiguity  example1 - Example to integrate all detector info and solve the y-view tracks ambiguity
6  example2 - Example to get pamela tracks and integrate the trajectory in the apparatus  example2 - Example to get pamela tracks and integrate the trajectory in the apparatus
7  example3 - Example to loop over events, reading more than one file  example3 - Example to loop over events, reading more than one file
8    Loop     - Example to loop over events, apply some selection cuts (My-Selection.cpp) and filling an
9               output file with histograms (My-Histos.cpp) and/or trees.
10    
11  In order to run the scripts:  In order to run the scripts:
12    
# Line 19  In order to run the scripts: Line 20  In order to run the scripts:
20    
21  [] .x load.C  [] .x load.C
22  [] .L example1.C  [] .L example1.C
23  [] example1("level2-data-path/level2-file.root")  [] example1("level2-data-path/level2-file, execute the command.root")
24  Tracker      : set branch address TrkLevel2  Tracker      : set branch address TrkLevel2
25  Calorimeter  : set branch address CaloLevel2  Calorimeter  : set branch address CaloLevel2
26  ToF          : set branch address ToFLevel2  ToF          : set branch address ToFLevel2
# Line 34  Anticounter  : set branch address AcLeve Line 35  Anticounter  : set branch address AcLeve
35    
36  4) Macros example1 and example2 produce some histograms. Example3 just loop over events and tracks and  4) Macros example1 and example2 produce some histograms. Example3 just loop over events and tracks and
37  counts time. It is usefull to check processing time.  counts time. It is usefull to check processing time.
38    
39    
40    5) To create Loop.exe execute the command (you need the PAMELA environment variables):
41    
42    > make Loop.exe
43    
44    The executable is create by compiling and linking the files:
45    
46    Loop.cpp
47    My-Selection.cpp
48    My-Histos.cpp
49    
50    You can use My-Selection.cpp and My-Histos.cpp as a template to inplement your own
51    selection cuts and analysis.
52    More generally, you can compile and link Loop.cpp with your own source files (you need
53    to edit also the Makefile), where you should implement at least the following functions:
54    
55    bool Select(PamLevel2*);
56    void CreateHistos(TFile*);
57    void FillHistos(PamLevel2*);
58    void SaveHistos(TFile*);
59    
60    To know how to use Loop.exe, issue:
61    ./Loop.exe --help
62    
63    (If you execute "make Loop-0.exe" the old example code, previously posted on the cvs,
64    is compiled and linked. This is not a very general example, better use the new one)
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