| 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 | !
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| 18 | ! Author(s): Marcos Lopez 11/2004 <mailto:marcos@gae.ucm.es>
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| 19 | !
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| 20 | ! Copyright: MAGIC Software Development, 2000-2002
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| 21 | !
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| 22 | !
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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 | // MHExcessEnergyTheta //
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| 28 | // //
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| 29 | // 3D-histogram in alpha vs. E-est and Theta //
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| 30 | // //
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| 31 | //////////////////////////////////////////////////////////////////////////////
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| 32 |
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| 33 | #include "MHExcessEnergyTheta.h"
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| 34 |
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| 35 | #include <TCanvas.h>
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| 36 | #include <THStack.h>
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| 37 | #include <TLegend.h>
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| 38 | #include <TStyle.h>
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| 39 |
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| 40 | #include "MMcEvt.hxx"
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| 41 | #include "MHillasSrc.h"
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| 42 | #include "MEnergyEst.h"
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| 43 | #include "MPointingPos.h"
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| 44 | #include "MRawRunHeader.h"
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| 45 | #include "MHAlphaEnergyTheta.h"
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| 46 | #include "MHFindSignificance.h"
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| 47 |
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| 48 | #include "MBinning.h"
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| 49 | #include "MParList.h"
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| 50 |
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| 51 | #include "MLog.h"
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| 52 | #include "MLogManip.h"
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| 53 |
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| 54 | ClassImp(MHExcessEnergyTheta);
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| 55 |
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| 56 | using namespace std;
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| 57 |
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| 58 | // --------------------------------------------------------------------------
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| 59 | //
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| 60 | // Default Constructor. It sets name and title of the histogram.
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| 61 | //
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| 62 | MHExcessEnergyTheta::MHExcessEnergyTheta(const char *name, const char *title)
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| 63 | : fHist("","",10,0,1, 10,0,1)
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| 64 | {
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| 65 | //
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| 66 | // set the name and title of this object
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| 67 | //
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| 68 | fName = name ? name : "MHExcessEnergyTheta";
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| 69 | fTitle = title ? title : "# Excess events vs. E and Theta";
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| 70 |
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| 71 |
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| 72 | fHist.SetDirectory(NULL);
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| 73 |
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| 74 | fHist.SetTitle("# Excess events vs. E and Theta");
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| 75 | fHist.SetXTitle("E [GeV]");
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| 76 | fHist.SetYTitle("\\Theta [\\circ]");
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| 77 | fHist.SetZTitle("# Excess events");
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| 78 | }
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| 79 |
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| 80 | // --------------------------------------------------------------------------
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| 81 | //
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| 82 | // Set binnings and prepare filling of the histogram
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| 83 | //
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| 84 | Bool_t MHExcessEnergyTheta::SetupFill(const MParList *plist)
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| 85 | {
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| 86 |
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| 87 | // fEnergy = (MEnergyEst*)plist->FindObject("MEnergyEst");
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| 88 | // if (!fEnergy)
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| 89 | // {
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| 90 | // *fLog << err << dbginf << "MEnergyEst not found... aborting." << endl;
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| 91 | // return kFALSE;
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| 92 | // }
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| 93 |
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| 94 |
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| 95 | // //
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| 96 | // // Binning
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| 97 | // //
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| 98 | // MBinning* binsenergy = (MBinning*)plist->FindObject("BinningE");
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| 99 | // MBinning* binsalphaflux = (MBinning*)plist->FindObject("BinningAlphaFlux");
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| 100 | // MBinning* binstheta = (MBinning*)plist->FindObject("BinningTheta");
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| 101 | // if (!binsenergy || !binsalphaflux || !binstheta)
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| 102 | // {
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| 103 | // *fLog << err << dbginf << "At least one MBinning not found... aborting." << endl;
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| 104 | // return kFALSE;
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| 105 | // }
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| 106 |
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| 107 | // // SetBinning(&fHist, binsalphaflux, binsenergy, binstheta);
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| 108 | // SetBinning(&fHist, binsenergy, binstheta, binsalphaflux);
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| 109 |
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| 110 | // fHist.Sumw2();
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| 111 |
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| 112 |
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| 113 | return kTRUE;
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| 114 | }
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| 115 |
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| 116 | // --------------------------------------------------------------------------
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| 117 | //
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| 118 | // Look in the parlist for MMcEvt or MPointingPos depending on the run type.
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| 119 | //
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| 120 | Bool_t MHExcessEnergyTheta::ReInit(MParList *pList)
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| 121 | {
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| 122 |
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| 123 | // // This must be done in ReInit because in PreProcess the
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| 124 | // // runheaders are not available
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| 125 | // const MRawRunHeader *runheader = (MRawRunHeader*)pList->FindObject("MRawRunHeader");
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| 126 | // if (!runheader)
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| 127 | // {
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| 128 | // *fLog << warn << dbginf << "Warning - cannot check file type, MRawRunHeader not found." << endl;
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| 129 | // *fLog << warn << dbginf << "Warning - Assuming data type file...searching for MPointingPos..." << endl;
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| 130 | // }
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| 131 |
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| 132 |
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| 133 | // if (runheader && runheader->IsMonteCarloRun())
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| 134 | // {
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| 135 | // fMcEvt = (MMcEvt*)pList->FindObject("MMcEvt");
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| 136 | // if (!fMcEvt)
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| 137 | // {
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| 138 | // *fLog << err << dbginf << "MMcEvt not found... aborting." << endl;
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| 139 | // return kFALSE;
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| 140 | // }
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| 141 | // }
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| 142 | // else
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| 143 | // {
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| 144 | // fPointingPos = (MPointingPos*)pList->FindObject("MPointingPos");
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| 145 | // if (!fPointingPos)
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| 146 | // {
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| 147 | // *fLog << err << dbginf << "PointingPos not found... aborting." << endl;
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| 148 | // return kFALSE;
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| 149 | // }
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| 150 | // }
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| 151 |
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| 152 | return kTRUE;
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| 153 | }
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| 154 |
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| 155 |
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| 156 |
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| 157 | // --------------------------------------------------------------------------
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| 158 | //
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| 159 | // Fill the histogram
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| 160 | //
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| 161 | Bool_t MHExcessEnergyTheta::Fill(const MParContainer *par, const Stat_t w)
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| 162 | {
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| 163 | // MHillasSrc &hil = *(MHillasSrc*)par;
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| 164 |
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| 165 | // // fHist.Fill(hil.GetAlpha(), fEnergy->GetEnergy(),
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| 166 | // // fMcEvt->GetTelescopeTheta()*kRad2Deg, w);
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| 167 |
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| 168 |
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| 169 | // const Double_t Zd = (fMcEvt) ? fMcEvt->GetTelescopeTheta()*kRad2Deg : fPointingPos->GetZd() ;
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| 170 |
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| 171 | // fHist.Fill(fEnergy->GetEnergy(), Zd, hil.GetAlpha(), w);
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| 172 |
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| 173 | // // *fLog<< Zd << " " << fEnergy->GetEnergy() << " " << hil.GetAlpha() << endl;
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| 174 |
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| 175 | return kTRUE;
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| 176 | }
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| 177 |
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| 178 |
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| 179 |
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| 180 | // --------------------------------------------------------------------------
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| 181 | //
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| 182 | // Get the Alpha distribution for each bin in energy and theta,
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| 183 | // fit it with MHFindSignificance to get the number of Excess events
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| 184 | // and it error.
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| 185 | //
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| 186 | void MHExcessEnergyTheta::Calc(MHAlphaEnergyTheta* hAlpha)
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| 187 | {
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| 188 | TH3D* aet = (TH3D*)hAlpha->GetHist();
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| 189 |
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| 190 | const TAxis* axisEnergy = aet->GetXaxis();
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| 191 | const TAxis* axisTheta = aet->GetYaxis();
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| 192 | const Int_t energyBins = aet->GetXaxis()->GetNbins();
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| 193 | const Int_t thetaBins = aet->GetYaxis()->GetNbins();;
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| 194 |
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| 195 | MH::SetBinning(&fHist, axisEnergy, axisTheta);
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| 196 |
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| 197 | for(Int_t iy=1; iy<=thetaBins; iy++)
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| 198 | {
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| 199 | TCanvas* c= new TCanvas(Form("zbin %d",iy),Form("zbin %d",iy));
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| 200 | c->Divide(4,3);
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| 201 |
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| 202 | for(Int_t ix=1; ix<=energyBins; ix++)
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| 203 | { const Double_t e = aet->GetXaxis()->GetBinCenter(ix);
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| 204 | const Double_t e1 = aet->GetXaxis()->GetBinLowEdge(ix);
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| 205 | const Double_t e2 = aet->GetXaxis()->GetBinLowEdge(ix+1);
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| 206 |
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| 207 | //TH1* halpha = aet->ProjectionZ("AlphaTemp",ix,ix,iy,iy);
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| 208 | TH1* halpha = aet->ProjectionZ("AlphaTemp",ix,ix);
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| 209 | halpha->SetTitle(Form("Energy Bin = (%.0f, %.0f) GeV",e1,e2));
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| 210 | halpha->SetDirectory(NULL);
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| 211 |
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| 212 | MHFindSignificance findsig;
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| 213 | //findsig.SetRebin(kFALSE);
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| 214 | double alphasig=20;
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| 215 |
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| 216 | if(ix<5)
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| 217 | alphasig = 20;
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| 218 | else
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| 219 | alphasig = 20;
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| 220 |
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| 221 | switch (ix)
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| 222 | {
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| 223 | case 1:
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| 224 | alphasig = 20;
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| 225 | break;
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| 226 | case 2:
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| 227 | alphasig = 20;
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| 228 | break;
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| 229 | case 3:
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| 230 | alphasig = 20;
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| 231 | break;
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| 232 | case 4:
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| 233 | alphasig = 20;
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| 234 | break;
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| 235 | case 5:
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| 236 | alphasig = 20;
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| 237 | break;
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| 238 | case 6:
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| 239 | alphasig = 20;
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| 240 | break;
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| 241 | case 7:
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| 242 | alphasig = 15;
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| 243 | break;
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| 244 | case 8:
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| 245 | alphasig = 10;
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| 246 | break;
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| 247 | case 9:
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| 248 | alphasig = 5;
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| 249 | break;
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| 250 | case 10:
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| 251 | alphasig = 5;
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| 252 | break;
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| 253 | }
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| 254 |
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| 255 |
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| 256 | fLog->SetNullOutput(kTRUE);
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| 257 |
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| 258 | Bool_t rc = findsig.FindSigma(halpha, 30,90, 2, alphasig, 0,1,0);
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| 259 | Double_t SigmaGauss = findsig.GetSigmaGauss();
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| 260 |
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| 261 | // alphasig = SigmaGauss*3;
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| 262 |
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| 263 | // rc = findsig.FindSigma(halpha, 30,90, 2, alphasig, 0,1,0);
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| 264 |
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| 265 | fLog->SetNullOutput(kFALSE);
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| 266 |
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| 267 | if(ix<=20)
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| 268 | {
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| 269 | c->cd(ix);
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| 270 | findsig.DrawFit("brief");
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| 271 | }
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| 272 |
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| 273 | Double_t Nex = 0;
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| 274 | Double_t dNex = 0;
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| 275 | Double_t Sig = 0;
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| 276 |
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| 277 | if(!rc)
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| 278 | {
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| 279 | cout << "ERROR: Fit not possible. " << endl;
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| 280 | }
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| 281 | // else
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| 282 | {
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| 283 | SigmaGauss = findsig.GetSigmaGauss();
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| 284 | Nex = findsig.GetNex();
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| 285 | dNex = findsig.GetdNex();
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| 286 | Sig = findsig.GetSigLiMa();
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| 287 | }
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| 288 | // Avoid to have a negative number of excess events, which
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| 289 | // will give a negative flux which doesn't make sense
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| 290 | if(Nex<0)
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| 291 | {
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| 292 | Nex = 0;
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| 293 | dNex = 0;
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| 294 | Sig = 0;
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| 295 | }
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| 296 |
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| 297 | fHist.SetBinContent(ix,iy, Nex);
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| 298 | fHist.SetBinError(ix,iy, dNex);
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| 299 |
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| 300 |
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| 301 | // Print
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| 302 | *fLog<< endl
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| 303 | << " Theta Bin = " << iy << endl
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| 304 | << " Energy bin width E = " << ix << endl
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| 305 | << " Alphasig = " <<alphasig << endl
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| 306 | << " N = " << Nex <<" +- " << dNex << endl
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| 307 | << " Significane = " << Sig << endl;
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| 308 | }
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| 309 | }
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| 310 | }
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| 311 |
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| 312 |
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| 313 |
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| 314 | // --------------------------------------------------------------------------
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| 315 | //
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| 316 | // Draw the histogram
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| 317 | //
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| 318 | void MHExcessEnergyTheta::Draw(Option_t *opt)
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| 319 | {
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| 320 | TCanvas *c1 = new TCanvas("# Excess events vs. E and Theta","# Excess events vs. E and Theta");
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| 321 | c1->SetLogx();
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| 322 | c1->SetLogz();
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| 323 |
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| 324 | fHist.SetStats(0);
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| 325 | fHist.Draw("lego");
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| 326 | }
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