| 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): Markus Gaug 02/2004 <mailto:markus@ifae.es>
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| 19 | !
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| 20 | ! Copyright: MAGIC Software Development, 2000-2004
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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 | // MHCalibrationTestCam
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| 27 | //
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| 28 | // Fills the calibrated signal from an MCerPhotEvt into
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| 29 | // MHCalibrationTestPix for every:
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| 30 | //
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| 31 | // - Pixel, stored in the TObjArray's MHCalibrationCam::fHiGainArray
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| 32 | // or MHCalibrationCam::fHiGainArray, respectively.
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| 33 | //
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| 34 | // - Average pixel per AREA index (e.g. inner and outer for the MAGIC camera),
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| 35 | // stored in the TObjArray's MHCalibrationCam::fAverageHiGainAreas and
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| 36 | // MHCalibrationCam::fAverageHiGainAreas
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| 37 | //
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| 38 | // - Average pixel per camera SECTOR (e.g. sectors 1-6 for the MAGIC camera),
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| 39 | // stored in the TObjArray's MHCalibrationCam::fAverageHiGainSectors
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| 40 | // and MHCalibrationCam::fAverageHiGainSectors
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| 41 | //
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| 42 | // The signals are filled into a histogram and an array, in order to perform
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| 43 | // a Fourier analysis (see MHGausEvents). The signals are moreover averaged on an
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| 44 | // event-by-event basis and written into the corresponding average pixels.
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| 45 | //
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| 46 | // The histograms are fitted to a Gaussian, mean and sigma with its errors
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| 47 | // and the fit probability are extracted. If none of these values are NaN's and
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| 48 | // if the probability is bigger than MHGausEvents::fProbLimit (default: 0.5%),
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| 49 | // the fit is declared valid.
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| 50 | // Otherwise, the fit is repeated within ranges of the previous mean
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| 51 | // +- MHGausEvents::fPickupLimit (default: 5) sigma (see MHGausEvents::RepeatFit())
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| 52 | // In case this does not make the fit valid, the histogram means and RMS's are
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| 53 | // taken directly (see MHGausEvents::BypassFit()) and the following flags are set:
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| 54 | // - MBadPixelsPix::SetUncalibrated( MBadPixelsPix::kHiGainNotFitted ) and
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| 55 | // - MBadPixelsPix::SetUnsuitable( MBadPixelsPix::kUnreliableRun )
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| 56 | //
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| 57 | // Outliers of more than MHGausEvents::fPickupLimit (default: 5) sigmas
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| 58 | // from the mean are counted as Pickup events (stored in MHGausEvents::fPickup)
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| 59 | //
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| 60 | // The class also fills arrays with the signal vs. event number, creates a fourier
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| 61 | // spectrum (see MHGausEvents::CreateFourierSpectrum()) and investigates if the
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| 62 | // projected fourier components follow an exponential distribution.
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| 63 | // In case that the probability of the exponential fit is less than
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| 64 | // MHGausEvents::fProbLimit (default: 0.5%), the following flags are set:
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| 65 | // - MBadPixelsPix::SetUncalibrated( MBadPixelsPix::kHiGainOscillating ) and
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| 66 | // - MBadPixelsPix::SetUnsuitable( MBadPixelsPix::kUnreliableRun )
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| 67 | //
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| 68 | // This same procedure is performed for the average pixels.
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| 69 | //
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| 70 | // The following results are written into an MCalibrationCam:
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| 71 | //
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| 72 | // - MCalibrationPix::SetMean()
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| 73 | // - MCalibrationPix::SetMeanErr()
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| 74 | // - MCalibrationPix::SetSigma()
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| 75 | // - MCalibrationPix::SetSigmaErr()
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| 76 | // - MCalibrationPix::SetProb()
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| 77 | // - MCalibrationPix::SetNumPickup()
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| 78 | //
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| 79 | // For all averaged areas, the fitted sigma is multiplied with the square root of
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| 80 | // the number involved pixels in order to be able to compare it to the average of
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| 81 | // sigmas in the camera.
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| 82 | //
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| 83 | /////////////////////////////////////////////////////////////////////////////
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| 84 | #include "MHCalibrationTestCam.h"
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| 85 | #include "MHCalibrationTestPix.h"
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| 86 |
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| 87 | #include "MLog.h"
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| 88 | #include "MLogManip.h"
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| 89 |
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| 90 | #include "MParList.h"
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| 91 |
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| 92 | #include "MCalibrationCam.h"
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| 93 | #include "MCalibrationPix.h"
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| 94 |
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| 95 | #include "MCerPhotEvt.h"
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| 96 | #include "MCerPhotPix.h"
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| 97 |
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| 98 | #include "MGeomCam.h"
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| 99 | #include "MGeomPix.h"
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| 100 |
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| 101 | #include "MBadPixelsCam.h"
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| 102 | #include "MBadPixelsPix.h"
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| 103 |
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| 104 | ClassImp(MHCalibrationTestCam);
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| 105 |
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| 106 | using namespace std;
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| 107 | // --------------------------------------------------------------------------
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| 108 | //
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| 109 | // Default Constructor.
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| 110 | //
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| 111 | MHCalibrationTestCam::MHCalibrationTestCam(const char *name, const char *title)
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| 112 | {
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| 113 |
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| 114 | fName = name ? name : "MHCalibrationTestCam";
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| 115 | fTitle = title ? title : "Histogram class for testing the calibration";
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| 116 |
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| 117 | }
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| 118 |
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| 119 | // --------------------------------------------------------------------------
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| 120 | //
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| 121 | // Gets or creates the pointers to:
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| 122 | // - MCalibrationTestCam
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| 123 | //
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| 124 | // Searches pointer to:
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| 125 | // - MCerPhotEvt
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| 126 | //
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| 127 | // Initializes, if empty to MGeomCam::GetNumAreas() for:
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| 128 | // - MHCalibrationCam::fAverageHiGainAreas, MHCalibrationCam::fAverageLoGainAreas
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| 129 | //
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| 130 | // Initializes, if empty to MGeomCam::GetNumSectors() for:
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| 131 | // - MHCalibrationCam::fAverageHiGainSectors, MHCalibrationCam::fAverageLoGainSectors
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| 132 | //
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| 133 | // Calls MHCalibrationCam::InitHists() for every entry in:
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| 134 | // - MHCalibrationCam::fHiGainArray
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| 135 | // - MHCalibrationCam::fAverageHiGainAreas
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| 136 | // - MHCalibrationCam::fAverageHiGainSectors
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| 137 | //
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| 138 | // Sets Titles and Names for the Histograms
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| 139 | // - MHCalibrationCam::fAverageHiGainAreas
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| 140 | // - MHCalibrationCam::fAverageHiGainSectors
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| 141 | //
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| 142 | // Sets number of bins to MHCalibrationCam::fAverageNbins for:
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| 143 | // - MHCalibrationCam::fAverageHiGainAreas
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| 144 | // - MHCalibrationCam::fAverageHiGainSectors
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| 145 | //
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| 146 | Bool_t MHCalibrationTestCam::ReInitHists(MParList *pList)
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| 147 | {
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| 148 |
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| 149 | MCerPhotEvt *signal = (MCerPhotEvt*)pList->FindObject("MCerPhotEvt");
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| 150 | if (!signal)
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| 151 | {
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| 152 | *fLog << err << "MCerPhotEvt not found... abort." << endl;
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| 153 | return kFALSE;
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| 154 | }
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| 155 |
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| 156 | const Int_t npixels = fGeom->GetNumPixels();
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| 157 | const Int_t nsectors = fGeom->GetNumSectors();
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| 158 | const Int_t nareas = fGeom->GetNumAreas();
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| 159 |
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| 160 | if (fHiGainArray->GetEntries()==0)
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| 161 | {
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| 162 | fHiGainArray->Expand(npixels);
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| 163 | for (Int_t i=0; i<npixels; i++)
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| 164 | {
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| 165 | (*fHiGainArray)[i] = new MHCalibrationTestPix("Calibrated Events",
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| 166 | "Test Calibration Pixel");
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| 167 | if (!(*fBadPixels)[i].IsOK())
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| 168 | (*this)[i].SetExcluded();
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| 169 |
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| 170 | (*this)[i].InitBins();
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| 171 | (*this)[i].ChangeHistId(i);
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| 172 | (*this)[i].SetEventFrequency(fPulserFrequency);
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| 173 | }
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| 174 | }
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| 175 |
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| 176 | if (fLoGainArray->GetEntries()==0)
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| 177 | {
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| 178 | fLoGainArray->Expand(npixels);
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| 179 | for (Int_t i=0; i<npixels; i++)
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| 180 | {
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| 181 | (*fLoGainArray)[i] = new MHCalibrationTestPix("Calibrated Events",
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| 182 | "Test Calibration Pixel");
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| 183 | if (!(*fBadPixels)[i].IsOK())
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| 184 | (*this)[i].SetExcluded();
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| 185 |
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| 186 | (*this)[i].InitBins();
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| 187 | (*this)[i].ChangeHistId(i);
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| 188 | (*this)[i].SetEventFrequency(fPulserFrequency);
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| 189 | }
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| 190 | }
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| 191 |
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| 192 |
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| 193 | if (fAverageHiGainAreas->GetEntries()==0)
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| 194 | {
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| 195 | fAverageHiGainAreas->Expand(nareas);
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| 196 |
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| 197 | for (Int_t j=0; j<nareas; j++)
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| 198 | {
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| 199 | (*fAverageHiGainAreas)[j] =
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| 200 | new MHCalibrationTestPix("MHCalibrationTestAverageArea",
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| 201 | "Average Test Calibrations Area Idx ");
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| 202 |
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| 203 | GetAverageHiGainArea(j).GetHGausHist()->SetTitle("Test Calibrations Area Idx ");
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| 204 | GetAverageHiGainArea(j).SetNbins(fAverageNbins);
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| 205 | GetAverageHiGainArea(j).InitBins();
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| 206 | GetAverageHiGainArea(j).ChangeHistId(j);
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| 207 | GetAverageHiGainArea(j).SetEventFrequency(fPulserFrequency);
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| 208 |
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| 209 | }
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| 210 | }
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| 211 |
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| 212 | if (fAverageLoGainAreas->GetEntries()==0)
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| 213 | {
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| 214 | fAverageLoGainAreas->Expand(nareas);
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| 215 |
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| 216 | for (Int_t j=0; j<nareas; j++)
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| 217 | {
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| 218 | (*fAverageLoGainAreas)[j] =
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| 219 | new MHCalibrationTestPix("MHCalibrationTestAverageArea",
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| 220 | "Average Test Calibrations Area Idx ");
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| 221 |
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| 222 | GetAverageLoGainArea(j).GetHGausHist()->SetTitle("Test Calibrations Area Idx ");
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| 223 | GetAverageLoGainArea(j).SetNbins(fAverageNbins);
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| 224 | GetAverageLoGainArea(j).InitBins();
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| 225 | GetAverageLoGainArea(j).ChangeHistId(j);
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| 226 | GetAverageLoGainArea(j).SetEventFrequency(fPulserFrequency);
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| 227 |
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| 228 | }
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| 229 | }
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| 230 |
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| 231 |
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| 232 | if (fAverageHiGainSectors->GetEntries()==0)
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| 233 | {
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| 234 | fAverageHiGainSectors->Expand(nsectors);
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| 235 |
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| 236 | for (Int_t j=0; j<nsectors; j++)
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| 237 | {
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| 238 | (*fAverageHiGainSectors)[j] =
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| 239 | new MHCalibrationTestPix("MHCalibrationTestAverageSector",
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| 240 | "Average Test Calibrations Sector ");
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| 241 |
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| 242 | GetAverageHiGainSector(j).GetHGausHist()->SetTitle("Test Calibrations Sector ");
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| 243 | GetAverageHiGainSector(j).SetNbins(fAverageNbins);
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| 244 | GetAverageHiGainSector(j).InitBins();
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| 245 | GetAverageHiGainSector(j).ChangeHistId(j);
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| 246 | GetAverageHiGainSector(j).SetEventFrequency(fPulserFrequency);
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| 247 | }
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| 248 | }
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| 249 |
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| 250 |
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| 251 | if (fAverageLoGainSectors->GetEntries()==0)
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| 252 | {
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| 253 | fAverageLoGainSectors->Expand(nsectors);
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| 254 |
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| 255 | for (Int_t j=0; j<nsectors; j++)
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| 256 | {
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| 257 | (*fAverageLoGainSectors)[j] =
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| 258 | new MHCalibrationTestPix("MHCalibrationTestAverageSector",
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| 259 | "Average Test Calibrations Sector ");
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| 260 |
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| 261 | GetAverageLoGainSector(j).GetHGausHist()->SetTitle("Test Calibrations Sector ");
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| 262 | GetAverageLoGainSector(j).SetNbins(fAverageNbins);
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| 263 | GetAverageLoGainSector(j).InitBins();
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| 264 | GetAverageLoGainSector(j).ChangeHistId(j);
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| 265 | GetAverageLoGainSector(j).SetEventFrequency(fPulserFrequency);
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| 266 | }
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| 267 | }
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| 268 |
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| 269 |
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| 270 | return kTRUE;
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| 271 | }
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| 272 |
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| 273 |
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| 274 | // -------------------------------------------------------------------------------
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| 275 | //
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| 276 | // Retrieves pointer to MCerPhotEvt:
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| 277 | //
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| 278 | // Retrieves from MGeomCam:
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| 279 | // - number of pixels
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| 280 | // - number of pixel areas
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| 281 | // - number of sectors
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| 282 | //
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| 283 | // Fills HiGain or LoGain histograms (MHGausEvents::FillHistAndArray()), respectively
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| 284 | // depending on MCerPhotPix::IsLoGainUsed(), with:
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| 285 | // - MCerPhotPix::GetArrivalTime(pixid) - MCerPhotPix::GetArrivalTime(1);
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| 286 | // (i.e. the time difference between pixel i and pixel 1 (hardware number: 2) )
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| 287 | //
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| 288 | Bool_t MHCalibrationTestCam::FillHists(const MParContainer *par, const Stat_t w)
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| 289 | {
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| 290 |
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| 291 | MCerPhotEvt *calibration = (MCerPhotEvt*)par;
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| 292 | if (!calibration)
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| 293 | {
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| 294 | gLog << err << "No argument in MHCalibrationRelTimeCam::Fill... abort." << endl;
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| 295 | return kFALSE;
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| 296 | }
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| 297 |
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| 298 | const Int_t npixels = fGeom->GetNumPixels();
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| 299 | const Int_t nareas = fGeom->GetNumAreas();
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| 300 | const Int_t nsectors = fGeom->GetNumSectors();
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| 301 |
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| 302 | Float_t sumareahi [nareas];
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| 303 | Float_t sumsectorhi[nsectors];
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| 304 | Int_t numareahi [nareas];
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| 305 | Int_t numsectorhi[nsectors];
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| 306 |
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| 307 | memset(sumareahi, 0, nareas * sizeof(Float_t));
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| 308 | memset(sumsectorhi, 0, nsectors*sizeof(Float_t));
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| 309 |
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| 310 | for (Int_t i=0; i<npixels; i++)
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| 311 | {
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| 312 |
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| 313 | MHGausEvents &histhi = (*this)[i];
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| 314 |
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| 315 | if (histhi.IsExcluded())
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| 316 | continue;
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| 317 |
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| 318 | const MCerPhotPix *pix = calibration->GetPixById(i);
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| 319 | if (!pix)
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| 320 | continue;
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| 321 |
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| 322 | const Float_t signal = pix->GetNumPhotons();
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| 323 |
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| 324 | const Int_t aidx = (*fGeom)[i].GetAidx();
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| 325 | const Int_t sector = (*fGeom)[i].GetSector();
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| 326 |
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| 327 | histhi.FillHistAndArray(signal) ;
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| 328 | sumareahi [aidx] += signal;
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| 329 | numareahi [aidx] ++;
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| 330 | sumsectorhi[sector] += signal;
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| 331 | numsectorhi[sector] ++;
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| 332 | }
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| 333 |
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| 334 | for (Int_t j=0; j<nareas; j++)
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| 335 | {
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| 336 | MHGausEvents &histhi = GetAverageHiGainArea(j);
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| 337 | histhi.FillHistAndArray(numareahi[j] == 0 ? 0. : sumareahi[j]/numareahi[j]);
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| 338 |
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| 339 | }
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| 340 |
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| 341 | for (Int_t j=0; j<nsectors; j++)
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| 342 | {
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| 343 | MHGausEvents &histhi = GetAverageHiGainSector(j);
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| 344 | histhi.FillHistAndArray(numsectorhi[j] == 0 ? 0. : sumsectorhi[j]/numsectorhi[j]);
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| 345 |
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| 346 | }
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| 347 |
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| 348 | return kTRUE;
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| 349 | }
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| 350 |
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| 351 | // --------------------------------------------------------------------------
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| 352 | //
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| 353 | // Calls:
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| 354 | // - MHCalibrationCam::FitHiGainArrays() with flags:
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| 355 | // MBadPixelsPix::kTestNotFitted and MBadPixelsPix::kTestOscillating
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| 356 | // - MHCalibrationCam::FitLoGainArrays() with flags:
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| 357 | // MBadPixelsPix::kTestNotFitted and MBadPixelsPix::kTestOscillating
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| 358 | //
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| 359 | Bool_t MHCalibrationTestCam::FinalizeHists()
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| 360 | {
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| 361 |
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| 362 | for (Int_t i=0; i<fHiGainArray->GetSize(); i++)
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| 363 | {
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| 364 |
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| 365 | MHGausEvents &hist = (*this)[i];
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| 366 |
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| 367 | if (hist.IsExcluded())
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| 368 | continue;
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| 369 |
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| 370 | if (hist.IsEmpty())
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| 371 | continue;
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| 372 |
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| 373 | if (!hist.FitGaus())
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| 374 | if (!hist.RepeatFit())
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| 375 | {
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| 376 | hist.BypassFit();
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| 377 | }
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| 378 |
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| 379 | hist.CreateFourierSpectrum();
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| 380 |
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| 381 | }
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| 382 |
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| 383 | for (Int_t j=0; j<fAverageHiGainAreas->GetSize(); j++)
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| 384 | {
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| 385 |
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| 386 | MHGausEvents &hist = GetAverageHiGainArea(j);
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| 387 | if (hist.IsEmpty())
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| 388 | continue;
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| 389 |
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| 390 | if (!hist.FitGaus())
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| 391 | if (!hist.RepeatFit())
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| 392 | {
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| 393 | hist.BypassFit();
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| 394 | }
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| 395 |
|
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| 396 | hist.CreateFourierSpectrum();
|
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| 397 |
|
|---|
| 398 |
|
|---|
| 399 | }
|
|---|
| 400 |
|
|---|
| 401 | for (Int_t j=0; j<fAverageHiGainSectors->GetSize(); j++)
|
|---|
| 402 | {
|
|---|
| 403 |
|
|---|
| 404 | MHGausEvents &hist = GetAverageHiGainSector(j);
|
|---|
| 405 | if (hist.IsEmpty())
|
|---|
| 406 | continue;
|
|---|
| 407 |
|
|---|
| 408 | if (!hist.FitGaus())
|
|---|
| 409 | if (!hist.RepeatFit())
|
|---|
| 410 | {
|
|---|
| 411 | hist.BypassFit();
|
|---|
| 412 | }
|
|---|
| 413 | hist.CreateFourierSpectrum();
|
|---|
| 414 |
|
|---|
| 415 |
|
|---|
| 416 | }
|
|---|
| 417 |
|
|---|
| 418 | return kTRUE;
|
|---|
| 419 | }
|
|---|
| 420 |
|
|---|
| 421 | // --------------------------------------------------------------------------
|
|---|
| 422 | //
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|---|
| 423 | // Sets all pixels to MBadPixelsPix::kUnreliableRun, if following flags are set:
|
|---|
| 424 | // - MBadPixelsPix::kTestNotFitted
|
|---|
| 425 | // - MBadPixelsPix::kTestOscillating
|
|---|
| 426 | //
|
|---|
| 427 | void MHCalibrationTestCam::FinalizeBadPixels()
|
|---|
| 428 | {
|
|---|
| 429 |
|
|---|
| 430 | }
|
|---|
| 431 |
|
|---|
| 432 | // --------------------------------------------------------------------------
|
|---|
| 433 | //
|
|---|
| 434 | // The types are as follows:
|
|---|
| 435 | //
|
|---|
| 436 | // Fitted values:
|
|---|
| 437 | // ==============
|
|---|
| 438 | //
|
|---|
| 439 | // 0: Fitted Mean Test Calibration (MHGausEvents::GetMean())
|
|---|
| 440 | // 1: Error Mean Test Calibration (MHGausEvents::GetMeanErr())
|
|---|
| 441 | // 2: Sigma fitted Test Calibration (MHGausEvents::GetSigma())
|
|---|
| 442 | // 3: Error Sigma Test Calibration (MHGausEvents::GetSigmaErr())
|
|---|
| 443 | //
|
|---|
| 444 | // Useful variables derived from the fit results:
|
|---|
| 445 | // =============================================
|
|---|
| 446 | //
|
|---|
| 447 | // 4: Returned probability of Gauss fit (calls: MHGausEvents::GetProb())
|
|---|
| 448 | //
|
|---|
| 449 | // Localized defects:
|
|---|
| 450 | // ==================
|
|---|
| 451 | //
|
|---|
| 452 | // 5: Gaus fit not OK (calls: MHGausEvents::IsGausFitOK())
|
|---|
| 453 | // 6: Fourier spectrum not OK (calls: MHGausEvents::IsFourierSpectrumOK())
|
|---|
| 454 | //
|
|---|
| 455 | // Converted values:
|
|---|
| 456 | // =================
|
|---|
| 457 | //
|
|---|
| 458 | // 7: Fitted Mean Test Calibration (MHGausEvents::GetMean()) by MGeomPix::GetA()
|
|---|
| 459 | // 8: Fitted Mean Error Calibration (MHGausEvents::GetSigma()) by MGeomPix::GetA()
|
|---|
| 460 | // 9: Fitted Sigma Test Calibration (MHGausEvents::GetMean()) by MGeomPix::GetA()
|
|---|
| 461 | // 8: Fitted Sigma Error Calibration (MHGausEvents::GetSigma()) by MGeomPix::GetA()
|
|---|
| 462 | //
|
|---|
| 463 | Bool_t MHCalibrationTestCam::GetPixelContent(Double_t &val, Int_t idx, const MGeomCam &cam, Int_t type) const
|
|---|
| 464 | {
|
|---|
| 465 |
|
|---|
| 466 | if (fHiGainArray->GetSize() <= idx)
|
|---|
| 467 | return kFALSE;
|
|---|
| 468 |
|
|---|
| 469 | const MHGausEvents &pix = (*this)[idx];
|
|---|
| 470 |
|
|---|
| 471 | if (pix.IsExcluded())
|
|---|
| 472 | return kFALSE;
|
|---|
| 473 |
|
|---|
| 474 | switch (type)
|
|---|
| 475 | {
|
|---|
| 476 | case 0:
|
|---|
| 477 | val = pix.GetMean();
|
|---|
| 478 | break;
|
|---|
| 479 | case 1:
|
|---|
| 480 | val = pix.GetMeanErr();
|
|---|
| 481 | break;
|
|---|
| 482 | case 2:
|
|---|
| 483 | val = pix.GetSigma();
|
|---|
| 484 | break;
|
|---|
| 485 | case 3:
|
|---|
| 486 | val = pix.GetSigmaErr();
|
|---|
| 487 | break;
|
|---|
| 488 | case 4:
|
|---|
| 489 | val = pix.GetProb();
|
|---|
| 490 | break;
|
|---|
| 491 | case 5:
|
|---|
| 492 | if (!pix.IsGausFitOK())
|
|---|
| 493 | val = 1.;
|
|---|
| 494 | break;
|
|---|
| 495 | case 6:
|
|---|
| 496 | if (!pix.IsFourierSpectrumOK())
|
|---|
| 497 | val = 1.;
|
|---|
| 498 | break;
|
|---|
| 499 | case 7:
|
|---|
| 500 | val = pix.GetMean()/cam[idx].GetA();
|
|---|
| 501 | break;
|
|---|
| 502 | case 8:
|
|---|
| 503 | val = pix.GetMeanErr()/cam[idx].GetA();
|
|---|
| 504 | break;
|
|---|
| 505 | case 9:
|
|---|
| 506 | val = pix.GetSigma()/cam[idx].GetA();
|
|---|
| 507 | break;
|
|---|
| 508 | case 10:
|
|---|
| 509 | val = pix.GetSigmaErr()/cam[idx].GetA();
|
|---|
| 510 | break;
|
|---|
| 511 | default:
|
|---|
| 512 | return kFALSE;
|
|---|
| 513 | }
|
|---|
| 514 | return kTRUE;
|
|---|
| 515 | }
|
|---|
| 516 |
|
|---|
| 517 | // --------------------------------------------------------------------------
|
|---|
| 518 | //
|
|---|
| 519 | // Calls MHGausEvents::DrawClone() for pixel idx
|
|---|
| 520 | //
|
|---|
| 521 | void MHCalibrationTestCam::DrawPixelContent(Int_t idx) const
|
|---|
| 522 | {
|
|---|
| 523 | (*this)[idx].DrawClone();
|
|---|
| 524 | }
|
|---|
| 525 |
|
|---|
| 526 |
|
|---|
| 527 | //------------------------------------------------------------
|
|---|
| 528 | //
|
|---|
| 529 | // For all averaged areas, the fitted sigma is multiplied with the square root of
|
|---|
| 530 | // the number involved pixels
|
|---|
| 531 | //
|
|---|
| 532 | void MHCalibrationTestCam::CalcAverageSigma()
|
|---|
| 533 | {
|
|---|
| 534 |
|
|---|
| 535 | for (UInt_t j=0; j<fGeom->GetNumAreas(); j++)
|
|---|
| 536 | {
|
|---|
| 537 |
|
|---|
| 538 | MHGausEvents &hist = GetAverageHiGainArea(j);
|
|---|
| 539 |
|
|---|
| 540 | const Float_t numsqr = TMath::Sqrt((Float_t)fAverageAreaNum[j]);
|
|---|
| 541 | fAverageAreaSigma[j] = hist.GetSigma () * numsqr;
|
|---|
| 542 | fAverageAreaSigmaVar[j] = hist.GetSigmaErr () * hist.GetSigmaErr() * numsqr;
|
|---|
| 543 |
|
|---|
| 544 | fAverageAreaRelSigma [j] = fAverageAreaSigma[j] / hist.GetMean();
|
|---|
| 545 | fAverageAreaRelSigmaVar[j] = fAverageAreaSigmaVar[j] / (fAverageAreaSigma[j]*fAverageAreaSigma[j]);
|
|---|
| 546 | fAverageAreaRelSigmaVar[j] += hist.GetMeanErr()*hist.GetMeanErr()/hist.GetMean()/hist.GetMean();
|
|---|
| 547 | fAverageAreaRelSigmaVar[j] *= fAverageAreaRelSigma[j];
|
|---|
| 548 | }
|
|---|
| 549 | }
|
|---|
