| 1 | /* ======================================================================== *\
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| 2 | !
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| 3 | ! *
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| 4 | ! * This file is part of MARS, the MAGIC Analysis and Reconstruction
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| 5 | ! * Software. It is distributed to you in the hope that it can be a useful
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| 6 | ! * and timesaving tool in analysing Data of imaging Cerenkov telescopes.
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| 7 | ! * It is distributed WITHOUT ANY WARRANTY.
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| 8 | ! *
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| 9 | ! * Permission to use, copy, modify and distribute this software and its
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| 10 | ! * documentation for any purpose is hereby granted without fee,
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| 11 | ! * provided that the above copyright notice appear in all copies and
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| 12 | ! * that both that copyright notice and this permission notice appear
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| 13 | ! * in supporting documentation. It is provided "as is" without express
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| 14 | ! * or implied warranty.
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| 15 | ! *
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| 16 | !
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| 17 | ! macro comprob.C
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| 18 | !
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| 19 | ! Author(s): Abelardo Moralejo
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| 20 | ! Author(s): Thomas Bretz, 2002 <mailto:tbretz@astro.uni-wuerzburg.de>
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| 21 | !
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| 22 | ! Copyright: MAGIC Software Development, 2000-2004
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| 23 | !
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| 24 | !
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| 25 | \* ======================================================================== */
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| 26 |
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| 27 | ///////////////////////////////////////////////////////////////////////////
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| 28 | //
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| 29 | // This macro demonstrates one way of gamma hadron separation using the
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| 30 | // composite probability method. To use it you need a star-file (which is
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| 31 | // a file ouput by the star.C macro containing image parameters)
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| 32 | //
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| 33 | ///////////////////////////////////////////////////////////////////////////
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| 34 | void comprob()
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| 35 | {
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| 36 | //
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| 37 | // Create a empty Parameter List and an empty Task List
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| 38 | // The tasklist is identified in the eventloop by its name
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| 39 | //
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| 40 | MParList plist;
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| 41 |
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| 42 | // Create task list and add it to the parameter list:
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| 43 | MTaskList tlist;
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| 44 | plist.AddToList(&tlist);
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| 45 |
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| 46 | // First task in list: read the star file (reference data)
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| 47 | MReadMarsFile read("Events", "star.root");
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| 48 | read.DisableAutoScheme();
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| 49 | tlist.AddToList(&read);
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| 50 |
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| 51 | //
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| 52 | // Task to do the composite analysis of Hillas parameters:
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| 53 | // Add(rule, number of bins, lower limit, upper limit)
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| 54 | // For the meaning of the rule see MDataChain
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| 55 | //
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| 56 | MHCompProb compprob(500);
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| 57 | compprob.Add("MHillas.fWidth", 500, 0, 160);
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| 58 | compprob.Add("MHillas.fLength", 500, 0, 300);
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| 59 | compprob.Add("abs(MHillas.fAsym)", 500, 0, 400);
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| 60 | compprob.Add("MHillasSrc.fDist", 500, 0, 400);
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| 61 | compprob.Add("abs(MHillasSrc.fHeadTail)", 500, 0, 400);
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| 62 | compprob.Add("abs(MHillas.fM3Long)", 500, 0, 300);
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| 63 | compprob.Add("abs(MHillas.fM3Trans)", 500, 0, 150);
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| 64 | compprob.Add("MHillas.fConc1", 500, 0, 0.6);
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| 65 | compprob.Add("MHillas.fConc", 500, 0, 0.9);
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| 66 | compprob.Add("log10(MHillas.fSize)", 500, 0, 5);
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| 67 |
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| 68 | plist.AddToList(&compprob);
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| 69 |
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| 70 | MFillH fill(&compprob, "MMcEvt");
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| 71 |
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| 72 | // Use this if you want to do it for a fixed energy range:
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| 73 | /*
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| 74 | MF filter("MMcEvt.fEnergy < 100");
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| 75 | fill->SetFilter(&filter);
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| 76 | tlist.AddToList(&filter);
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| 77 | */
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| 78 |
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| 79 | tlist.AddToList(&fill);
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| 80 |
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| 81 | //
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| 82 | // Create and setup the eventloop
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| 83 | //
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| 84 | MEvtLoop evtloop;
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| 85 | evtloop.SetParList(&plist);
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| 86 |
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| 87 | // Loop over all data to fill the "normal" histograms:
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| 88 | if (!evtloop.Eventloop())
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| 89 | return;
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| 90 |
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| 91 | tlist.PrintStatistics();
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| 92 |
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| 93 | gLog.SetDebugLevel(2);
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| 94 |
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| 95 | // Loop to fill the variable bin histograms:
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| 96 | read.SetEventNum(0);
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| 97 | if (!evtloop.Eventloop())
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| 98 | return;
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| 99 |
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| 100 | // ------------------------------------------------------------------
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| 101 |
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| 102 | // Create task list and replace the old task list with the new one
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| 103 | MTaskList tlist2;
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| 104 | plist.Replace(&tlist2);
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| 105 |
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| 106 | // First task in list: read star file (test data)
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| 107 | MReadMarsFile read2("Events", "star2.root");
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| 108 | read2.DisableAutoScheme();
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| 109 | tlist2.AddToList(&read2);
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| 110 |
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| 111 | // create task to calculate composite probabilities
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| 112 | MCompProbCalc calc;
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| 113 | tlist2.AddToList(&calc);
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| 114 |
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| 115 | // fill probabilities (hadroness) into histogram
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| 116 | MFillH fill2("MHHadronness");
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| 117 | tlist2.AddToList(&fill2);
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| 118 |
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| 119 | // Loop to fill the hadronness histograms:
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| 120 | if (!evtloop.Eventloop())
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| 121 | return;
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| 122 |
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| 123 | //
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| 124 | // Display the hadroness histograms and print some informations on
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| 125 | // the console window
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| 126 | //
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| 127 | plist.FindObject("MHHadronness")->DrawClone();
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| 128 | plist.FindObject("MHHadronness")->Print();
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| 129 | }
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| 130 |
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