| 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): Wolfgang Wittek 4/2002 <mailto:wittek@mppmu.mpg.de>
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| 19 | ! Author(s): Abelardo Moralejo 5/2003 <mailto:moralejo@pd.infn.it>
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| 20 | ! Author(s): Thomas Bretz 1/2005 <mailto:tbretz@astro.uni-wuerzburg.de>
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| 21 | !
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| 22 | ! Copyright: MAGIC Software Development, 2000-2005
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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 | // MHEnergyEst
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| 30 | //
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| 31 | // calculates the migration matrix E-est vs. E-true
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| 32 | // for different bins in Theta
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| 33 | //
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| 34 | //////////////////////////////////////////////////////////////////////////////
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| 35 | #include "MHEnergyEst.h"
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| 36 |
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| 37 | #include <TLine.h>
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| 38 | #include <TCanvas.h>
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| 39 | #include <TProfile.h>
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| 40 |
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| 41 | #include "MString.h"
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| 42 |
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| 43 | #include "MMcEvt.hxx"
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| 44 |
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| 45 | #include "MEnergyEst.h"
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| 46 | #include "MBinning.h"
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| 47 | #include "MParList.h"
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| 48 | #include "MParameters.h"
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| 49 | #include "MHMatrix.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(MHEnergyEst);
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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 | MHEnergyEst::MHEnergyEst(const char *name, const char *title)
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| 63 | : fMcEvt(0), fEnergy(0), fResult(0), fMatrix(0)
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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 : "MHEnergyEst";
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| 69 | fTitle = title ? title : "3-D histogram E-true E-est Theta";
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| 70 |
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| 71 | fHEnergy.SetDirectory(NULL);
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| 72 | fHEnergy.SetName("EnergyEst");
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| 73 | fHEnergy.SetTitle("Histogram in E_{est}, E_{mc} and \\Theta");
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| 74 | fHEnergy.SetXTitle("E_{est} [GeV]");
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| 75 | fHEnergy.SetYTitle("E_{mc} [GeV]");
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| 76 | fHEnergy.SetZTitle("\\Theta [\\circ]");
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| 77 |
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| 78 | fHResolution.SetDirectory(NULL);
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| 79 | fHResolution.SetName("EnergyRes");
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| 80 | fHResolution.SetTitle("Histogram in \\frac{\\Delta lg(E)}{lg(E_{mc})} vs E_{est} and E_{mc}");
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| 81 | fHResolution.SetXTitle("E_{est} [GeV]");
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| 82 | fHResolution.SetYTitle("E_{mc} [GeV]");
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| 83 | fHResolution.SetZTitle("\\frac{lg(E_{est}) - lg(E_{mc})}{lg(E_{mc})}");
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| 84 |
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| 85 | fHImpact.SetDirectory(NULL);
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| 86 | fHImpact.SetName("Impact");
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| 87 | fHImpact.SetTitle("\\frac{\\Delta lg(E)}{lg(E)} vs Impact parameter");
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| 88 | fHImpact.SetXTitle("Impact parameter [m]");
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| 89 | fHImpact.SetYTitle("\\frac{lg(E_{est}) - lg(E_{mc})}{lg(E_{mc})}");
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| 90 |
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| 91 | fHEnergy.Sumw2();
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| 92 | fHImpact.Sumw2();
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| 93 | fHResolution.Sumw2();
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| 94 |
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| 95 | MBinning binsi, binse, binst, binsr;
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| 96 | binse.SetEdgesLog(15, 10, 1000000);
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| 97 | binst.SetEdgesCos(50, 0, 60);
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| 98 | binsi.SetEdges(10, 0, 400);
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| 99 | binsr.SetEdges(50, -1.3, 1.3);
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| 100 |
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| 101 | SetBinning(&fHEnergy, &binse, &binse, &binst);
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| 102 | SetBinning(&fHImpact, &binsi, &binsr);
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| 103 | SetBinning(&fHResolution, &binse, &binse, &binsr);
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| 104 | }
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| 105 |
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| 106 | // --------------------------------------------------------------------------
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| 107 | //
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| 108 | // Set the binnings and prepare the filling of the histograms
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| 109 | //
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| 110 | Bool_t MHEnergyEst::SetupFill(const MParList *plist)
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| 111 | {
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| 112 | if (!fMatrix)
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| 113 | {
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| 114 | fMcEvt = (MMcEvt*)plist->FindObject("MMcEvt");
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| 115 | if (!fMcEvt)
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| 116 | {
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| 117 | *fLog << err << "MMcEvt not found... aborting." << endl;
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| 118 | return kFALSE;
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| 119 | }
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| 120 | }
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| 121 |
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| 122 | fEnergy = (MEnergyEst*)plist->FindObject("MEnergyEst");
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| 123 | if (!fEnergy)
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| 124 | {
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| 125 | *fLog << err << "MEnergyEst not found... aborting." << endl;
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| 126 | return kFALSE;
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| 127 | }
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| 128 |
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| 129 | fResult = (MParameterD*)const_cast<MParList*>(plist)->FindCreateObj("MParameterD", "MinimizationValue");
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| 130 | if (!fResult)
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| 131 | return kFALSE;
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| 132 |
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| 133 | MBinning binst, binse, binsi, binsr;
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| 134 | binse.SetEdges(fHEnergy, 'x');
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| 135 | binst.SetEdges(fHEnergy, 'z');
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| 136 | binsi.SetEdges(fHImpact, 'x');
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| 137 | binsr.SetEdges(fHImpact, 'y');
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| 138 |
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| 139 | binst.SetEdges(*plist, "BinningTheta");
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| 140 | binse.SetEdges(*plist, "BinningEnergyEst");
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| 141 | binsi.SetEdges(*plist, "BinningImpact");
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| 142 | binsr.SetEdges(*plist, "BinningEnergyRes");
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| 143 |
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| 144 | SetBinning(&fHEnergy, &binse, &binse, &binst);
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| 145 | SetBinning(&fHImpact, &binsi, &binsr);
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| 146 | SetBinning(&fHResolution, &binse, &binse, &binsr);
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| 147 |
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| 148 | fChisq = 0;
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| 149 | fHEnergy.Reset();
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| 150 | fHImpact.Reset();
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| 151 | fHResolution.Reset();
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| 152 |
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| 153 | return kTRUE;
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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 | // Fill the histogram
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| 159 | //
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| 160 | Bool_t MHEnergyEst::Fill(const MParContainer *par, const Stat_t w)
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| 161 | {
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| 162 | const Double_t eest = fEnergy->GetEnergy();
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| 163 | const Double_t etru = fMatrix ? GetVal(0) : fMcEvt->GetEnergy();
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| 164 | const Double_t imp = fMatrix ? GetVal(1) : fMcEvt->GetImpact()/100;
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| 165 | const Double_t theta = fMatrix ? GetVal(2) : fMcEvt->GetTelescopeTheta()*TMath::RadToDeg();
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| 166 | const Double_t res = (log10(eest)-log10(etru));///log10(etru);
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| 167 | const Double_t resE = (eest-etru)/etru;
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| 168 |
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| 169 | fHEnergy.Fill(eest, etru, theta, w);
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| 170 | fHResolution.Fill(eest, etru, resE, w);
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| 171 | fHImpact.Fill(imp, resE, w);
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| 172 |
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| 173 | fChisq += res*res;
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| 174 | fBias += res;
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| 175 |
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| 176 | return kTRUE;
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| 177 | }
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| 178 |
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| 179 | Bool_t MHEnergyEst::Finalize()
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| 180 | {
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| 181 | fChisq /= GetNumExecutions();
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| 182 | fBias /= GetNumExecutions();
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| 183 |
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| 184 | Double_t sigma = TMath::Sqrt(fChisq);//+TMath::Abs(fBias);
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| 185 | fResult->SetVal(sigma);
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| 186 |
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| 187 | *fLog << all << "Mean log10(Energy) Resoltion: " << Form("%.1f%%", TMath::Sqrt(fChisq-fBias*fBias)*100) << endl;
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| 188 | *fLog << all << "Mean log10(Energy) Bias: " << Form("%.1f%%", fBias*100) << endl;
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| 189 |
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| 190 | return kTRUE;
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| 191 | }
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| 192 |
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| 193 | void MHEnergyEst::Paint(Option_t *opt)
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| 194 | {
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| 195 | TVirtualPad *pad = gPad;
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| 196 |
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| 197 | pad->cd(1);
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| 198 |
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| 199 | TH1D *hx=0;
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| 200 | TH1D *hy=0;
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| 201 |
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| 202 | if (pad->GetPad(1))
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| 203 | {
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| 204 | pad->GetPad(1)->cd(1);
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| 205 |
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| 206 | if ((hx=(TH1D*)gPad->FindObject("EnergyEst_ex")))
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| 207 | {
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| 208 | TH1D *h2 = (TH1D*)fHEnergy.Project3D("dum_ex");
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| 209 | hx->Reset();
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| 210 | hx->Add(h2);
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| 211 | delete h2;
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| 212 | }
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| 213 |
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| 214 | if ((hy=(TH1D*)gPad->FindObject("EnergyEst_ey")))
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| 215 | {
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| 216 | TH1D *h2 = (TH1D*)fHEnergy.Project3D("dum_ey");
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| 217 | hy->Reset();
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| 218 | hy->Add(h2);
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| 219 | delete h2;
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| 220 | }
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| 221 |
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| 222 | if (hx && hy)
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| 223 | {
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| 224 | hy->SetMaximum();
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| 225 | hy->SetMaximum(TMath::Max(hx->GetMaximum(), hy->GetMaximum())*1.2);
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| 226 | if (hy->GetMaximum()>0)
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| 227 | gPad->SetLogy();
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| 228 | }
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| 229 |
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| 230 | if (pad->GetPad(1)->GetPad(2))
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| 231 | {
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| 232 | pad->GetPad(1)->GetPad(2)->cd(1);
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| 233 | if ((hx=(TH1D*)gPad->FindObject("EnergyEst_ez")))
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| 234 | {
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| 235 | TH1D *h2 = (TH1D*)fHEnergy.Project3D("dum_ez");
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| 236 | hx->Reset();
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| 237 | hx->Add(h2);
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| 238 | delete h2;
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| 239 | }
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| 240 |
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| 241 | pad->GetPad(1)->GetPad(2)->cd(2);
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| 242 | /*=*/fHResolution.ProjectionZ("Resolution");
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| 243 | ///*h =*/ fHImpact.ProjectionX("Impact", -1, 9999, "e");
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| 244 | }
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| 245 | }
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| 246 |
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| 247 | if (pad->GetPad(2))
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| 248 | {
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| 249 | pad->GetPad(2)->cd(1);
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| 250 | UpdatePlot(fHEnergy, "yx", kTRUE);
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| 251 |
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| 252 | TLine *l = (TLine*)gPad->FindObject("TLine");
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| 253 | if (l)
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| 254 | {
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| 255 | const Float_t min = TMath::Max(fHEnergy.GetXaxis()->GetXmin(), fHEnergy.GetYaxis()->GetXmin());
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| 256 | const Float_t max = TMath::Min(fHEnergy.GetXaxis()->GetXmax(), fHEnergy.GetYaxis()->GetXmax());
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| 257 |
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| 258 | l->SetX1(min);
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| 259 | l->SetX2(max);
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| 260 | l->SetY1(min);
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| 261 | l->SetY2(max);
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| 262 | }
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| 263 |
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| 264 | pad->GetPad(2)->cd(2);
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| 265 | UpdatePlot(fHResolution, "zy");
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| 266 |
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| 267 | pad->GetPad(2)->cd(3);
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| 268 | UpdatePlot(fHResolution, "zx");
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| 269 | }
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| 270 | }
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| 271 |
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| 272 | void MHEnergyEst::UpdatePlot(TH3 &h, const char *how, Bool_t logy)
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| 273 | {
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| 274 | TH2D *hyx=0;
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| 275 | if (!(hyx=(TH2D*)gPad->FindObject(MString::Form("%s_%s", h.GetName(), how))))
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| 276 | return;
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| 277 |
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| 278 | TH2D *h2 = (TH2D*)h.Project3D(MString::Form("dum_%s", how));
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| 279 | hyx->Reset();
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| 280 | hyx->Add(h2);
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| 281 | delete h2;
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| 282 |
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| 283 | TH1D *hx = 0;
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| 284 | if ((hx=(TH1D*)gPad->FindObject(Form("Prof%s", h.GetName()))))
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| 285 | {
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| 286 | hx = hyx->ProfileX(Form("Prof%s", h.GetName()), -1, 9999, "s");
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| 287 |
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| 288 | if (logy && hx->GetMaximum()>0)
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| 289 | gPad->SetLogy();
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| 290 | }
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| 291 | }
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| 292 |
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| 293 | TH1 *MHEnergyEst::MakePlot(TH3 &h, const char *how)
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| 294 | {
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| 295 | gPad->SetBorderMode(0);
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| 296 | gPad->SetLogx();
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| 297 | gPad->SetGridx();
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| 298 | gPad->SetGridy();
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| 299 |
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| 300 | //gROOT->GetListOfCleanups()->Add(gPad); // WHY?
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| 301 |
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| 302 | TH2D *h2 = (TH2D*)h.Project3D(how);
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| 303 | h2->SetDirectory(NULL);
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| 304 | h2->SetBit(kCanDelete);
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| 305 | h2->SetFillColor(kBlue);
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| 306 | h2->SetLineColor(kRed);
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| 307 |
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| 308 | TH1D *h1 = h2->ProfileX(Form("Prof%s", h.GetName()), -1, 9999, "s");
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| 309 | h1->SetDirectory(NULL);
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| 310 | h1->SetBit(kCanDelete);
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| 311 | h1->SetLineWidth(2);
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| 312 | h1->SetLineColor(kRed);
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| 313 | h1->SetFillStyle(4000);
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| 314 | h1->SetStats(kFALSE);
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| 315 |
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| 316 | h2->Draw("");
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| 317 | h1->Draw("E3same");
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| 318 | h1->Draw("Chistsame");
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| 319 |
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| 320 | return h1;
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| 321 | }
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| 322 |
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| 323 |
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| 324 | // --------------------------------------------------------------------------
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| 325 | //
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| 326 | // Draw the histogram
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| 327 | //
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| 328 | void MHEnergyEst::Draw(Option_t *opt)
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| 329 | {
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| 330 | TVirtualPad *pad = gPad ? gPad : MakeDefCanvas(this);
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| 331 |
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| 332 | // Do the projection before painting the histograms into
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| 333 | // the individual pads
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| 334 | AppendPad("");
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| 335 |
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| 336 | pad->SetBorderMode(0);
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| 337 | pad->Divide(2, 1, 1e-10, 1e-10);
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| 338 |
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| 339 | TH1 *h;
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| 340 |
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| 341 | pad->cd(1);
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| 342 | gPad->SetBorderMode(0);
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| 343 |
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| 344 | gPad->Divide(1, 2, 1e-10, 1e-10);
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| 345 |
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| 346 | TVirtualPad *pad2 = gPad;
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| 347 |
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| 348 | pad2->cd(1);
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| 349 | gPad->SetBorderMode(0);
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| 350 |
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| 351 | gPad->SetGridx();
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| 352 | gPad->SetGridy();
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| 353 | gPad->SetLogx();
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| 354 | h = (TH1D*)fHEnergy.Project3D("ey");
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| 355 | h->SetBit(TH1::kNoStats);
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| 356 | h->SetTitle("Energy disribution: Monte Carlo E_{mc} (black), Estimated E_{est} (green)");
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| 357 | h->SetXTitle("E [GeV]"); // E_mc
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| 358 | h->SetYTitle("Counts");
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| 359 | h->SetBit(kCanDelete);
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| 360 | h->SetDirectory(NULL);
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| 361 | h->SetMarkerStyle(kFullDotMedium);
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| 362 | h->Draw();
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| 363 |
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| 364 | h = (TH1D*)fHEnergy.Project3D("ex");
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| 365 | h->SetBit(TH1::kNoTitle|TH1::kNoStats);
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| 366 | h->SetXTitle("E [GeV]"); // E_est
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| 367 | h->SetYTitle("Counts");
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| 368 | h->SetBit(kCanDelete);
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| 369 | h->SetDirectory(NULL);
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| 370 | h->SetMarkerStyle(kFullDotMedium);
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| 371 | h->SetLineColor(kGreen);
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| 372 | h->SetMarkerColor(kGreen);
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| 373 | h->Draw("same");
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| 374 |
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| 375 | // FIXME: LEGEND
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| 376 |
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| 377 | pad2->cd(2);
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| 378 | gPad->SetBorderMode(0);
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| 379 |
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| 380 | TVirtualPad *pad3 = gPad;
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| 381 | pad3->Divide(2, 1, 1e-10, 1e-10);
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| 382 | pad3->cd(1);
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| 383 | gPad->SetBorderMode(0);
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| 384 | gPad->SetGridx();
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| 385 | gPad->SetGridy();
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| 386 | h = fHEnergy.Project3D("ez");
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| 387 | h->SetTitle("Zenith Angle Distribution");
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| 388 | h->SetBit(TH1::kNoStats);
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| 389 | h->SetDirectory(NULL);
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| 390 | h->SetXTitle("\\Theta [\\circ]");
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| 391 | h->SetBit(kCanDelete);
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| 392 | h->Draw();
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| 393 |
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| 394 | pad3->cd(2);
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| 395 | gPad->SetBorderMode(0);
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| 396 | gPad->SetGridx();
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| 397 | gPad->SetGridy();
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| 398 | /*
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| 399 | h = fHImpact.ProjectionX("Impact", -1, 9999, "e");
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| 400 | h->SetBit(TH1::kNoStats);
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| 401 | h->SetTitle("Distribution of Impact");
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| 402 | h->SetDirectory(NULL);
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| 403 | h->SetXTitle("Impact [m]");
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| 404 | h->SetBit(kCanDelete);
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| 405 | h->Draw();*/
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| 406 | // ----------------------------------------
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| 407 | h = fHResolution.ProjectionZ("Resolution");
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| 408 | //h->SetXTitle("\\frac{lg(E_{est}) - lg(E_{mc})}{lg(E_{mc})}");
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| 409 | h->SetYTitle("Counts");
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| 410 | h->SetTitle("Distribution of \\Delta lg(E) / lg(E_{mc})");
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| 411 | h->SetDirectory(NULL);
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| 412 | h->SetBit(kCanDelete);
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| 413 | h->GetXaxis()->SetRangeUser(-1.3, 1.3);
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| 414 | h->Draw("");
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| 415 | // ----------------------------------------
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| 416 |
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| 417 | pad->cd(2);
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| 418 | gPad->SetBorderMode(0);
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| 419 |
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| 420 | gPad->Divide(1, 3, 1e-10, 1e-10);
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| 421 | pad2 = gPad;
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| 422 |
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| 423 | pad2->cd(1);
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| 424 | h = MakePlot(fHEnergy, "yx");
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| 425 | h->SetXTitle("E_{mc} [GeV]");
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| 426 | h->SetYTitle("E_{est} [GeV]");
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| 427 | h->SetTitle("Estimated energy E_{est} vs Monte Carlo energy E_{mc}");
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| 428 |
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| 429 | TLine line;
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| 430 | line.DrawLine(0,0,1,1);
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| 431 |
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| 432 | pad2->cd(2);
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| 433 | h = MakePlot(fHResolution, "zy");
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| 434 | h->SetXTitle("E_{mc} [GeV]");
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| 435 | h->SetYTitle("\\frac{lg(E_{est}) - lg(E_{mc})}{lg(E_{mc})}");
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|---|
| 436 | h->SetTitle("Energy resolution \\Delta lg(E) / lg(E) vs Monte Carlo energy E_{mc}");
|
|---|
| 437 | h->SetMinimum(-1.3);
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|---|
| 438 | h->SetMaximum(1.3);
|
|---|
| 439 |
|
|---|
| 440 | pad2->cd(3);
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|---|
| 441 | h = MakePlot(fHResolution, "zx");
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|---|
| 442 | h->SetXTitle("E_{est} [GeV]");
|
|---|
| 443 | h->SetYTitle("\\frac{lg(E_{est}) - lg(E_{mc})}{lg(E_{mc})}");
|
|---|
| 444 | h->SetTitle("Energy Resolution \\Delta lg(E) / lg(E) vs estimated Energy E_{est}");
|
|---|
| 445 | h->SetMinimum(-1.3);
|
|---|
| 446 | h->SetMaximum(1.3);
|
|---|
| 447 | }
|
|---|
| 448 |
|
|---|
| 449 | // --------------------------------------------------------------------------
|
|---|
| 450 | //
|
|---|
| 451 | // Returns the mapped value from the Matrix
|
|---|
| 452 | //
|
|---|
| 453 | Double_t MHEnergyEst::GetVal(Int_t i) const
|
|---|
| 454 | {
|
|---|
| 455 | return (*fMatrix)[fMap[i]];
|
|---|
| 456 | }
|
|---|
| 457 |
|
|---|
| 458 | // --------------------------------------------------------------------------
|
|---|
| 459 | //
|
|---|
| 460 | // You can use this function if you want to use a MHMatrix instead of the
|
|---|
| 461 | // given containers. This function adds all necessary columns to the
|
|---|
| 462 | // given matrix. Afterward you should fill the matrix with the corresponding
|
|---|
| 463 | // data (eg from a file by using MHMatrix::Fill). If you now loop
|
|---|
| 464 | // through the matrix (eg using MMatrixLoop) MEnergyEstParam2::Process
|
|---|
| 465 | // will take the values from the matrix instead of the containers.
|
|---|
| 466 | //
|
|---|
| 467 | void MHEnergyEst::InitMapping(MHMatrix *mat)
|
|---|
| 468 | {
|
|---|
| 469 | if (fMatrix)
|
|---|
| 470 | return;
|
|---|
| 471 |
|
|---|
| 472 | fMatrix = mat;
|
|---|
| 473 |
|
|---|
| 474 | fMap[0] = fMatrix->AddColumn("MMcEvt.fEnergy");
|
|---|
| 475 | fMap[1] = fMatrix->AddColumn("MMcEvt.fImpact/100");
|
|---|
| 476 | fMap[2] = fMatrix->AddColumn("MMcEvt.fTelescopeTheta*kRad2Deg");
|
|---|
| 477 | }
|
|---|
| 478 |
|
|---|
| 479 | void MHEnergyEst::StopMapping()
|
|---|
| 480 | {
|
|---|
| 481 | fMatrix = NULL;
|
|---|
| 482 | }
|
|---|
| 483 |
|
|---|
