| 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 09/2003 <mailto:markus@ifae.es>
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| 19 | !
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| 20 | ! Copyright: MAGIC Software Development, 2000-2001
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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 | // MCalibrationCalc //
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| 28 | // //
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| 29 | // This is a task which calculates the number of photons from the FADC //
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| 30 | // time slices. At the moment it integrates simply the FADC values. //
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| 31 | // //
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| 32 | // Input Containers: //
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| 33 | // MRawEvtData //
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| 34 | // //
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| 35 | // Output Containers: //
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| 36 | // MCalibrationCam //
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| 37 | // //
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| 38 | // //
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| 39 | // The class MCalibrationCam hold one entry of type MCalibrationPix for //
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| 40 | // every pixel. It is filled in the following way: //
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| 41 | // PreParocess: MalibrationCam::InitSize(577) is called which allocates //
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| 42 | // memory in an TClonesArray of type MCalibrationPix and //
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| 43 | // all pointers to NULL. //
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| 44 | // //
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| 45 | // Process: The NULL pointer is tested on every pixel via //
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| 46 | // MalibrationCam::IsPixelUsed(npix). //
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| 47 | // //
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| 48 | // In case, IsPixelUsed returns NULL, //
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| 49 | // MalibrationCam::AddPixel(npix) is invoked which creates a //
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| 50 | // new MCalibrationPix(npix) in the npix's entry //
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| 51 | // of the TClonesArray. //
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| 52 | // //
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| 53 | // Every MCalibrationPix holds a histogram class, //
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| 54 | // MHCalibrationPixel which itself hold histograms of type: //
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| 55 | // HCharge(npix) (distribution of summed FADC time slice entries)
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| 56 | // HTime(npix) (distribution of position of maximum)
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| 57 | // HChargevsN(npix) (distribution of charges vs. event number.
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| 58 | //
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| 59 | // PostProcess: All histograms HCharge(npix) are fitted to a Gaussian
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| 60 | // All histograms HTime(npix) are fitted to a Gaussian
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| 61 | // The histogram HBlindPixelCharge (blind pixel) is fitted to a single
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| 62 | // PhE fit
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| 63 | // The histogram HBlindPixelTime (blind pixel) is fitted to a Gaussian
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| 64 | // The histograms of the PIN Diode are fitted to Gaussians
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| 65 | //
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| 66 | // Fits can be excluded via the commands:
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| 67 | // MalibrationCam::SetSkipTimeFits() (skip all time fits)
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| 68 | // MalibrationCam::SetSkipBlindPixelFits() (skip all blind pixel fits)
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| 69 | // MalibrationCam::SetSkipPinDiodeFits() (skip all PIN Diode fits)
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| 70 | //
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| 71 | //////////////////////////////////////////////////////////////////////////////
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| 72 |
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| 73 | #include "MCalibrationCalc.h"
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| 74 | #include "MCalibrationConfig.h"
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| 75 | #include "MCalibrationFits.h"
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| 76 |
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| 77 | #include "MCalibrationCam.h"
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| 78 | #include "MCalibrationPix.h"
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| 79 | #include "MCalibrationBlindPix.h"
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| 80 | #include "MCalibrationPINDiode.h"
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| 81 |
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| 82 | #include "MPedestalCam.h"
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| 83 | #include "MPedestalPix.h"
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| 84 |
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| 85 | #include "MLog.h"
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| 86 | #include "MLogManip.h"
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| 87 |
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| 88 | #include "MParList.h"
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| 89 | #include "MH.h"
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| 90 |
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| 91 | #include "MRawRunHeader.h"
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| 92 | #include "MRawEvtData.h" // MRawEvtData::GetNumPixels
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| 93 | #include "MRawEvtPixelIter.h"
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| 94 |
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| 95 | #include "MExtractedSignalCam.h"
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| 96 | #include "MExtractedSignalPix.h"
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| 97 |
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| 98 | #include "MTime.h"
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| 99 | #include "TMath.h"
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| 100 |
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| 101 | ClassImp(MCalibrationCalc);
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| 102 |
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| 103 | using namespace std;
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| 104 | // --------------------------------------------------------------------------
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| 105 | //
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| 106 | // Default constructor. b is the number of slices before the maximum slice,
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| 107 | // a the number of slices behind the maximum slice which is taken as signal.
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| 108 | //
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| 109 | MCalibrationCalc::MCalibrationCalc(const char *name, const char *title)
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| 110 | : fColor(kEBlue)
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| 111 | {
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| 112 |
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| 113 | fName = name ? name : "MCalibrationCalc";
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| 114 | fTitle = title ? title : "Task to calculate the calibration constants and MCalibrationCam ";
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| 115 |
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| 116 | AddToBranchList("MRawEvtData.fHiGainPixId");
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| 117 | AddToBranchList("MRawEvtData.fLoGainPixId");
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| 118 | AddToBranchList("MRawEvtData.fHiGainFadcSamples");
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| 119 | AddToBranchList("MRawEvtData.fLoGainFadcSamples");
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| 120 |
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| 121 | SETBIT(fFlags, kUseTimeFits);
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| 122 | SETBIT(fFlags, kUseBlindPixelFit);
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| 123 | SETBIT(fFlags, kUsePinDiodeFit);
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| 124 | }
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| 125 |
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| 126 | // --------------------------------------------------------------------------
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| 127 | //
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| 128 | // The PreProcess searches for the following input containers:
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| 129 | // - MRawEvtData
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| 130 | // - MPedestalCam
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| 131 | //
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| 132 | // The following output containers are also searched and created if
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| 133 | // they were not found:
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| 134 | //
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| 135 | // - MHCalibrationBlindPixel
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| 136 | // - MCalibrationCam
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| 137 | // - MTime
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| 138 | //
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| 139 | Int_t MCalibrationCalc::PreProcess(MParList *pList)
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| 140 | {
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| 141 |
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| 142 | fHistOverFlow = 0;
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| 143 | fEvents = 0;
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| 144 | fCosmics = 0;
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| 145 |
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| 146 | fRawEvt = (MRawEvtData*)pList->FindObject("MRawEvtData");
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| 147 | if (!fRawEvt)
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| 148 | {
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| 149 | *fLog << dbginf << "MRawEvtData not found... aborting." << endl;
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| 150 | return kFALSE;
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| 151 | }
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| 152 |
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| 153 | const MRawRunHeader *runheader = (MRawRunHeader*)pList->FindObject("MRawRunHeader");
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| 154 | if (!runheader)
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| 155 | *fLog << warn << dbginf << "Warning - cannot check file type, MRawRunHeader not found." << endl;
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| 156 | else
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| 157 | if (runheader->GetRunType() == kRTMonteCarlo)
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| 158 | {
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| 159 | return kTRUE;
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| 160 | }
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| 161 |
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| 162 | fCalibrations = (MCalibrationCam*)pList->FindCreateObj("MCalibrationCam");
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| 163 | if (!fCalibrations)
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| 164 | {
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| 165 | *fLog << err << dbginf << "MCalibrationCam could not be created ... aborting." << endl;
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| 166 | return kFALSE;
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| 167 | }
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| 168 |
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| 169 |
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| 170 | switch (fColor)
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| 171 | {
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| 172 | case kEBlue:
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| 173 | fCalibrations->SetColor(MCalibrationCam::kECBlue);
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| 174 | break;
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| 175 | case kEGreen:
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| 176 | fCalibrations->SetColor(MCalibrationCam::kECGreen);
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| 177 | break;
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| 178 | case kEUV:
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| 179 | fCalibrations->SetColor(MCalibrationCam::kECUV);
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| 180 | break;
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| 181 | case kECT1:
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| 182 | fCalibrations->SetColor(MCalibrationCam::kECCT1);
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| 183 | break;
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| 184 | default:
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| 185 | fCalibrations->SetColor(MCalibrationCam::kECCT1);
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| 186 | }
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| 187 |
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| 188 | fPedestals = (MPedestalCam*)pList->FindObject("MPedestalCam");
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| 189 | if (!fPedestals)
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| 190 | {
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| 191 | *fLog << err << dbginf << "Cannot find MPedestalCam ... aborting" << endl;
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| 192 | return kFALSE;
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| 193 | }
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| 194 |
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| 195 |
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| 196 | fSignals = (MExtractedSignalCam*)pList->FindObject("MExtractedSignalCam");
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| 197 | if (!fSignals)
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| 198 | {
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| 199 | *fLog << err << dbginf << "Cannot find MExtractedSignalCam ... aborting" << endl;
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| 200 | return kFALSE;
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| 201 | }
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| 202 |
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| 203 | return kTRUE;
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| 204 | }
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| 205 |
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| 206 |
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| 207 | // --------------------------------------------------------------------------
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| 208 | //
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| 209 | // The ReInit searches for the following input containers:
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| 210 | // - MRawRunHeader
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| 211 | //
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| 212 | Bool_t MCalibrationCalc::ReInit(MParList *pList )
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| 213 | {
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| 214 |
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| 215 | fRunHeader = (MRawRunHeader*)pList->FindObject("MRawRunHeader");
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| 216 | if (!fRunHeader)
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| 217 | {
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| 218 | *fLog << dbginf << "MRawRunHeader not found... aborting." << endl;
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| 219 | return kFALSE;
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| 220 | }
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| 221 |
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| 222 | // fNumHiGainSamples = fRunHeader->GetNumSamplesHiGain();
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| 223 | // fNumLoGainSamples = fRunHeader->GetNumSamplesLoGain();
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| 224 | fNumHiGainSamples = 6;
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| 225 | fNumLoGainSamples = 6;
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| 226 |
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| 227 | //
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| 228 | // FIXME: The next statement simply does not work:
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| 229 | // fRawEvt->GetNumPixels() returns always 0
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| 230 | // fCalibrations->InitSize(fRawEvt->GetNumPixels());
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| 231 | //
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| 232 |
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| 233 | fCalibrations->InitSize(577);
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| 234 |
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| 235 | for (Int_t i=0;i<577;i++)
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| 236 | {
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| 237 | MCalibrationPix &pix = (*fCalibrations)[i];
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| 238 | pix.DefinePixId(i);
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| 239 | }
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| 240 |
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| 241 | return kTRUE;
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| 242 |
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| 243 | }
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| 244 |
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| 245 |
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| 246 | // --------------------------------------------------------------------------
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| 247 | //
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| 248 | // Calculate the integral of the FADC time slices and store them as a new
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| 249 | // pixel in the MCerPhotEvt container.
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| 250 | //
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| 251 | Int_t MCalibrationCalc::Process()
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| 252 | {
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| 253 |
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| 254 | Int_t cosmicpix = 0;
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| 255 |
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| 256 | MCalibrationBlindPix &blindpixel = *(fCalibrations->GetBlindPixel());
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| 257 | MCalibrationPINDiode &pindiode = *(fCalibrations->GetPINDiode());
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| 258 |
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| 259 | MRawEvtPixelIter pixel(fRawEvt);
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| 260 |
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| 261 | //
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| 262 | // Create a first loop to sort out the cosmics ...
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| 263 | //
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| 264 | // This is a very primitive check for the number of cosmicpixs
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| 265 | // The cut will be applied in the fit, but for the blind pixel,
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| 266 | // we need to remove this event
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| 267 | //
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| 268 | // FIXME: In the future need a much more sophisticated one!!!
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| 269 | //
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| 270 |
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| 271 | while (pixel.Next())
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| 272 | {
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| 273 |
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| 274 | const UInt_t pixid = pixel.GetPixelId();
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| 275 |
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| 276 | MExtractedSignalPix &sig = (*fSignals)[pixid];
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| 277 | MPedestalPix &ped = (*fPedestals)[pixid];
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| 278 | Float_t pedrms = ped.GetPedestalRms();
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| 279 | Float_t sumhi = sig.GetExtractedSignalHiGain();
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| 280 |
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| 281 | if (sumhi < 15.*pedrms ) // cut at 3.5 sigma
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| 282 | cosmicpix++;
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| 283 | }
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| 284 |
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| 285 | if (cosmicpix > 100.)
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| 286 | {
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| 287 | fCosmics++;
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| 288 | return kCONTINUE;
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| 289 | }
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| 290 |
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| 291 | pixel.Reset();
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| 292 | fEvents++;
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| 293 |
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| 294 | //
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| 295 | // Create a second loop to do fill the calibration histograms
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| 296 | //
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| 297 |
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| 298 | while (pixel.Next())
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| 299 | {
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| 300 |
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| 301 | const UInt_t pixid = pixel.GetPixelId();
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| 302 |
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| 303 | MExtractedSignalPix &sig = (*fSignals)[pixid];
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| 304 |
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| 305 | Float_t sumhi = sig.GetExtractedSignalHiGain();
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| 306 | Float_t sumlo = sig.GetExtractedSignalLoGain();
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| 307 | Bool_t logain = sig.IsLoGainUsed();
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| 308 |
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| 309 | Float_t mtime = sig.GetMeanArrivalTime();
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| 310 |
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| 311 | MCalibrationPix &pix = (*fCalibrations)[pixid];
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| 312 |
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| 313 | switch(pixid)
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| 314 | {
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| 315 |
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| 316 | case gkCalibrationBlindPixelId:
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| 317 |
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| 318 | if (!blindpixel.FillCharge(sumhi))
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| 319 | *fLog << warn <<
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| 320 | "Overflow or Underflow occurred filling Blind Pixel sum = " << sumhi << endl;
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| 321 |
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| 322 | if (!blindpixel.FillTime((int)mtime))
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| 323 | *fLog << warn <<
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| 324 | "Overflow or Underflow occurred filling Blind Pixel time = " << mtime << endl;
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| 325 |
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| 326 | if (!blindpixel.FillRChargevsTime(sumhi,fEvents))
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| 327 | *fLog << warn <<
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| 328 | "Overflow or Underflow occurred filling Blind Pixel eventnr = " << fEvents << endl;
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| 329 | break;
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| 330 |
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| 331 | case gkCalibrationPINDiodeId:
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| 332 | if (!pindiode.FillCharge(sumhi))
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| 333 | *fLog << warn <<
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| 334 | "Overflow or Underflow occurred filling HCharge: means = " << sumhi << endl;
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| 335 | if (!pindiode.FillTime((int)mtime))
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| 336 | *fLog << warn <<
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| 337 | "Overflow or Underflow occurred filling HTime: time = " << mtime << endl;
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| 338 | if (!pindiode.FillRChargevsTime(sumhi,fEvents))
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| 339 | *fLog << warn <<
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| 340 | "Overflow or Underflow occurred filling HChargevsN: eventnr = " << fEvents << endl;
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| 341 | break;
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| 342 |
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| 343 | default:
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| 344 |
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| 345 | pix.SetChargesInGraph(sumhi,sumlo);
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| 346 |
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| 347 | if (!pix.FillRChargevsTimeLoGain(sumlo,fEvents))
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| 348 | *fLog << warn << "Could not fill Lo Gain Charge vs. EvtNr of pixel: "
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| 349 | << pixid << " signal = " << sumlo << " event Nr: " << fEvents << endl;
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| 350 |
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| 351 | if (!pix.FillRChargevsTimeHiGain(sumhi,fEvents))
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| 352 | *fLog << warn << "Could not fill Hi Gain Charge vs. EvtNr of pixel: "
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| 353 | << pixid << " signal = " << sumhi << " event Nr: " << fEvents << endl;
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| 354 |
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| 355 | if (logain)
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| 356 | {
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| 357 |
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| 358 | if (!pix.FillChargeLoGain(sumlo))
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| 359 | *fLog << warn << "Could not fill Lo Gain Charge of pixel: " << pixid
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| 360 | << " signal = " << sumlo << endl;
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| 361 |
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| 362 | if (!pix.FillTimeLoGain((int)mtime))
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| 363 | *fLog << warn << "Could not fill Lo Gain Time of pixel: "
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| 364 | << pixid << " time = " << mtime << endl;
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| 365 |
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| 366 | }
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| 367 | else
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| 368 | {
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| 369 | if (!pix.FillChargeHiGain(sumhi))
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| 370 | *fLog << warn << "Could not fill Hi Gain Charge of pixel: " << pixid
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| 371 | << " signal = " << sumhi << endl;
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| 372 |
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| 373 | if (!pix.FillTimeHiGain((int)mtime))
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| 374 | *fLog << warn << "Could not fill Hi Gain Time of pixel: "
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| 375 | << pixid << " time = " << mtime << endl;
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| 376 |
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| 377 | }
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| 378 | break;
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| 379 |
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| 380 | } /* switch(pixid) */
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| 381 |
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| 382 | } /* while (pixel.Next()) */
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| 383 |
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| 384 | return kTRUE;
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| 385 | }
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| 386 |
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| 387 | Int_t MCalibrationCalc::PostProcess()
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| 388 | {
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| 389 |
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| 390 |
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| 391 | *fLog << inf << endl;
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| 392 | *fLog << GetDescriptor() << " Cut Histogram Edges" << endl;
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| 393 |
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| 394 | //
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| 395 | // Cut edges to make fits and viewing of the hists easier
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| 396 | //
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| 397 | fCalibrations->CutEdges();
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| 398 |
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| 399 | //
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| 400 | // Get pointer to blind pixel
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| 401 | //
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| 402 | MCalibrationBlindPix &blindpixel = *(fCalibrations->GetBlindPixel());
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| 403 |
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| 404 | *fLog << GetDescriptor() << " Fitting the Blind Pixel" << endl;
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| 405 |
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| 406 | //
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| 407 | // Fit the blind pixel
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| 408 | //
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| 409 | if (TESTBIT(fFlags,kUseBlindPixelFit))
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| 410 | {
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| 411 | if (blindpixel.FitCharge())
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| 412 | {
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| 413 | if (!fCalibrations->CalcNrPhotInnerPixel())
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| 414 | *fLog << err << dbginf << "Could not calculate Number of photons from the blind pixel " << endl;
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| 415 | }
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| 416 | else
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| 417 | {
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| 418 | *fLog << err << dbginf << "Could not fit the blind pixel " << endl;
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| 419 | }
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| 420 |
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| 421 | if (!blindpixel.FitTime())
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| 422 | *fLog << warn << "Could not the Times of the blind pixel " << endl;
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| 423 |
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| 424 | blindpixel.Draw();
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| 425 |
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| 426 | }
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| 427 |
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| 428 | *fLog << GetDescriptor() << " Fitting the Normal Pixels" << endl;
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| 429 |
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|---|
| 430 | //
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|---|
| 431 | // loop over the pedestal events and check if we have calibration
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| 432 | //
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|---|
| 433 | for (Int_t pixid=0; pixid<fPedestals->GetSize(); pixid++)
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|---|
| 434 | {
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|---|
| 435 |
|
|---|
| 436 | MCalibrationPix &pix = (*fCalibrations)[pixid];
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|---|
| 437 |
|
|---|
| 438 | const Float_t ped = (*fPedestals)[pixid].GetPedestal() * fNumHiGainSamples;
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|---|
| 439 | const Float_t prms = (*fPedestals)[pixid].GetPedestalRms() * TMath::Sqrt((float)fNumHiGainSamples);
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|---|
| 440 |
|
|---|
| 441 | pix.SetPedestal(ped,prms);
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|---|
| 442 |
|
|---|
| 443 | pix.FitCharge();
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|---|
| 444 |
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|---|
| 445 | if (TESTBIT(fFlags,kUseTimeFits))
|
|---|
| 446 | pix.FitTime();
|
|---|
| 447 |
|
|---|
| 448 | }
|
|---|
| 449 |
|
|---|
| 450 | fCalibrations->SetReadyToSave();
|
|---|
| 451 |
|
|---|
| 452 | if (GetNumExecutions()==0)
|
|---|
| 453 | return kTRUE;
|
|---|
| 454 |
|
|---|
| 455 | *fLog << endl;
|
|---|
| 456 | *fLog << dec << setfill(' ') << fCosmics << " Events presumably cosmics" << endl;
|
|---|
| 457 |
|
|---|
| 458 | return kTRUE;
|
|---|
| 459 | }
|
|---|
