| 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 | // HQ(npix) (distribution of summed FADC time slice entries) //
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| 56 | // HT(npix) (distribution of position of maximum) //
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| 57 | // HQvsN(npix) (distribution of charges vs. event number. //
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| 58 | // //
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| 59 | // PostProcess: All histograms HQ(npix) are fitted to a Gaussian //
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| 60 | // All histograms HT(npix) are fitted to a Gaussian //
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| 61 | // The histogram HBPQ (blind pixel) is fitted to a single //
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| 62 | // PhE fit //
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| 63 | // The histogram HBPT (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::SetSkipTFits() (skip all time fits) //
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| 68 | // MalibrationCam::SetSkipBPFits() (skip all blind pixel fits) //
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| 69 | // MalibrationCam::SetSkipPDFits() (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 "MTime.h"
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| 96 |
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| 97 | ClassImp(MCalibrationCalc);
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| 98 |
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| 99 | using namespace std;
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| 100 | // --------------------------------------------------------------------------
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| 101 | //
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| 102 | // Default constructor. b is the number of slices before the maximum slice,
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| 103 | // a the number of slices behind the maximum slice which is taken as signal.
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| 104 | //
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| 105 | MCalibrationCalc::MCalibrationCalc(const char *name, const char *title)
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| 106 | : fColor(kEBlue)
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| 107 | {
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| 108 |
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| 109 | fName = name ? name : "MCalibrationCalc";
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| 110 | fTitle = title ? title : "Task to calculate the calibration constants and MCalibrationCam ";
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| 111 |
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| 112 | AddToBranchList("MRawEvtData.fHiGainPixId");
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| 113 | AddToBranchList("MRawEvtData.fLoGainPixId");
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| 114 | AddToBranchList("MRawEvtData.fHiGainFadcSamples");
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| 115 | AddToBranchList("MRawEvtData.fLoGainFadcSamples");
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| 116 |
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| 117 | SETBIT(fFlags, kUseTFits);
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| 118 | SETBIT(fFlags, kUseBPFit);
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| 119 | SETBIT(fFlags, kUsePDFit);
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| 120 | }
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| 121 |
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| 122 | // --------------------------------------------------------------------------
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| 123 | //
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| 124 | // The PreProcess searches for the following input containers:
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| 125 | // - MRawEvtData
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| 126 | // - MPedestalCam
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| 127 | //
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| 128 | // The following output containers are also searched and created if
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| 129 | // they were not found:
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| 130 | //
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| 131 | // - MHCalibrationBlindPixel
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| 132 | // - MCalibrationCam
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| 133 | // - MTime
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| 134 | //
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| 135 | Int_t MCalibrationCalc::PreProcess(MParList *pList)
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| 136 | {
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| 137 |
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| 138 | fOverFlow = 0;
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| 139 | fNrEvents = 0;
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| 140 |
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| 141 | fRawEvt = (MRawEvtData*)pList->FindObject("MRawEvtData");
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| 142 | if (!fRawEvt)
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| 143 | {
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| 144 | *fLog << dbginf << "MRawEvtData not found... aborting." << endl;
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| 145 | return kFALSE;
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| 146 | }
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| 147 |
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| 148 | const MRawRunHeader *runheader = (MRawRunHeader*)pList->FindObject("MRawRunHeader");
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| 149 | if (!runheader)
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| 150 | *fLog << warn << dbginf << "Warning - cannot check file type, MRawRunHeader not found." << endl;
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| 151 | else
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| 152 | if (runheader->GetRunType() == kRTMonteCarlo)
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| 153 | {
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| 154 | return kTRUE;
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| 155 | }
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| 156 |
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| 157 | fCalibrations = (MCalibrationCam*)pList->FindCreateObj("MCalibrationCam");
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| 158 | if (!fCalibrations)
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| 159 | {
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| 160 | *fLog << err << dbginf << "MCalibrationCam could not be created ... aborting." << endl;
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| 161 | return kFALSE;
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| 162 | }
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| 163 |
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| 164 | //
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| 165 | // fRawEvt->GetNumPixels() does not work !!!!!!!!!!
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| 166 | //
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| 167 | fCalibrations->InitSize(577);
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| 168 |
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| 169 | switch (fColor)
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| 170 | {
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| 171 | case kEBlue:
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| 172 | fCalibrations->SetColor(MCalibrationCam::kECBlue);
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| 173 | break;
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| 174 | case kEGreen:
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| 175 | fCalibrations->SetColor(MCalibrationCam::kECGreen);
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| 176 | break;
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| 177 | case kEUV:
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| 178 | fCalibrations->SetColor(MCalibrationCam::kECUV);
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| 179 | }
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| 180 |
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| 181 |
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| 182 |
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| 183 | fPedestals = (MPedestalCam*)pList->FindObject("MPedestalCam");
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| 184 | if (!fPedestals)
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| 185 | {
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| 186 | *fLog << err << dbginf << "Cannot find MPedestalCam ... aborting" << endl;
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| 187 | return kFALSE;
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| 188 | }
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| 189 |
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| 190 |
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| 191 | // MTime does not work!!!!
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| 192 |
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| 193 | // fEvtTime = (MTime*)pList->FindObject("MRawEvtTime");
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| 194 | // if (!fEvtTime)
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| 195 | // {
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| 196 | // *fLog << dbginf << "MTime could not be created ... ¡!¡!¡!¡!" << endl;
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| 197 | // }
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| 198 |
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| 199 | // fEvtTime->SetTime(0.);
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| 200 |
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| 201 |
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| 202 | return kTRUE;
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| 203 | }
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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 | // The ReInit searches for the following input containers:
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| 209 | // - MRawRunHeader
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| 210 | //
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| 211 | Bool_t MCalibrationCalc::ReInit(MParList *pList )
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| 212 | {
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| 213 |
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| 214 | fRunHeader = (MRawRunHeader*)pList->FindObject("MRawRunHeader");
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| 215 | if (!fRunHeader)
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| 216 | {
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| 217 | *fLog << dbginf << "MRawRunHeader not found... aborting." << endl;
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| 218 | return kFALSE;
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| 219 | }
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| 220 |
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| 221 | fNumHiGainSamples = fRunHeader->GetNumSamplesHiGain();
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| 222 | fNumLoGainSamples = fRunHeader->GetNumSamplesLoGain();
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| 223 |
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| 224 | return kTRUE;
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| 225 |
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| 226 | }
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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 | // Calculate the integral of the FADC time slices and store them as a new
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| 232 | // pixel in the MCerPhotEvt container.
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| 233 | //
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| 234 | Int_t MCalibrationCalc::Process()
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| 235 | {
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| 236 |
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| 237 | fNrEvents++;
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| 238 |
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| 239 | MCalibrationBlindPix &blindpixel = *(fCalibrations->GetBlindPixel());
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| 240 | MCalibrationPINDiode &pindiode = *(fCalibrations->GetPINDiode());
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| 241 |
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| 242 | MRawEvtPixelIter pixel(fRawEvt);
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| 243 |
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| 244 | while (pixel.Next())
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| 245 | {
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| 246 |
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| 247 | UShort_t sat = 0;
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| 248 | const Int_t pixid = pixel.GetPixelId();
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| 249 |
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| 250 | if (!fCalibrations->IsPixelUsed(pixid))
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| 251 | if (!fCalibrations->AddPixel(pixid))
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| 252 | *fLog << err << dbginf << "MCalibrationPix(" << pixid << ") could not be created !!" << endl;
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| 253 |
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| 254 | Byte_t *ptr = pixel.GetHiGainSamples();
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| 255 | Byte_t mid = pixel.GetIdxMaxHiGainSample();
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| 256 | UInt_t max = pixel.GetMaxHiGainSample();
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| 257 |
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| 258 | Int_t sum = (max > gkSaturationLimit // overflow ?
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| 259 | ? sat++, pixel.GetSumLoGainSamples() // take Low Gain
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| 260 | : pixel.GetSumHiGainSamples()); // no overflow
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| 261 |
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| 262 | if (sat)
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| 263 | {
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| 264 |
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| 265 | ptr = pixel.GetLoGainSamples();
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| 266 | max = pixel.GetMaxLoGainSample();
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| 267 | mid = pixel.GetIdxMaxLoGainSample();
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| 268 |
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| 269 | sum = (max == gkSaturationLimit // overflow of LoGain ??? -> GimmeABreak!!!
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| 270 | ? fOverFlow++, gkLoGainOverFlow // OUCH (Florian was maybe right)
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| 271 | : sum*gkConversionHiLo ); // OUFF (Florian was wrong) !!
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| 272 |
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| 273 | // *fLog << warn << "Warning: Saturation of HiGain reached in slice " << (int)mid << " !!! " << endl;
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| 274 | // *fLog << warn << "Max = " << max << endl;
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| 275 |
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| 276 | if (fOverFlow)
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| 277 | *fLog << err << dbginf << "Warning: Saturation of LoGain reached! "
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| 278 | << err << dbginf << "sum = " << sum << endl;
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| 279 |
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| 280 | }
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| 281 |
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| 282 | //
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| 283 | // sanity check (old MC files sometimes have pixids>577)
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| 284 | //
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| 285 | if (fPedestals && !fPedestals->CheckBounds(pixid))
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| 286 | {
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| 287 | *fLog << inf << "Pixel ID larger than camera... skipping event." << endl;
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| 288 | return kCONTINUE;
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| 289 | }
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| 290 |
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| 291 | MPedestalPix &ped = (*fPedestals)[pixid];
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| 292 | MCalibrationPix &pix = (*fCalibrations)[pixid];
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| 293 |
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| 294 | Float_t pedes = ped.GetPedestal();
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| 295 |
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| 296 | //
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| 297 | // FIXME: This is preliminary, we will change to pedestals per slice!!!
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| 298 | // Assume pedestals per time slice ==> multiply with number of slices
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| 299 | //
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| 300 | pedes *= (sat ? fNumLoGainSamples : fNumHiGainSamples );
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| 301 |
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| 302 | Float_t rsum = (float)sum - pedes;
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| 303 |
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| 304 | switch(pixid)
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| 305 | {
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| 306 |
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| 307 | case gkCalibrationBlindPixelId:
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| 308 | if (!blindpixel.FillQ(sum))
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| 309 | *fLog << warn <<
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| 310 | "Overflow or Underflow occurred filling Blind Pixel means = " << sum << endl;
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| 311 | if (!blindpixel.FillT((int)mid))
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| 312 | *fLog << warn <<
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| 313 | "Overflow or Underflow occurred filling Blind Pixel time = " << (int)mid << endl;
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| 314 | if (!blindpixel.FillRQvsT(rsum,fNrEvents))
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| 315 | *fLog << warn <<
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| 316 | "Overflow or Underflow occurred filling Blind Pixel eventnr = " << fNrEvents << endl;
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| 317 |
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| 318 | case gkCalibrationPINDiodeId:
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| 319 | if (!pindiode.FillQ(sum))
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| 320 | *fLog << warn <<
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| 321 | "Overflow or Underflow occurred filling HQ: means = " << sum << endl;
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| 322 | if (!pindiode.FillT((int)mid))
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| 323 | *fLog << warn <<
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| 324 | "Overflow or Underflow occurred filling HT: time = " << (int)mid << endl;
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| 325 | if (!pindiode.FillRQvsT(rsum,fNrEvents))
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| 326 | *fLog << warn <<
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| 327 | "Overflow or Underflow occurred filling HQvsN: eventnr = " << fNrEvents << endl;
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| 328 |
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| 329 | default:
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| 330 |
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| 331 | if (!pix.FillQ(sum))
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| 332 | *fLog << warn << "Could not fill Q of pixel: " << pixid
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| 333 | << " signal = " << sum << endl;
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| 334 |
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| 335 | //
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| 336 | // Fill the reduced charge into the control histo for better visibility
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| 337 | //
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| 338 | if (!pix.FillRQvsT(rsum,fNrEvents))
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| 339 | *fLog << warn << "Could not fill red. Q vs. EvtNr of pixel: " << pixid
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| 340 | << " signal = " << rsum << " event Nr: " << fNrEvents << endl;
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| 341 |
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| 342 |
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| 343 | if (!pix.FillT((int)mid))
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| 344 | *fLog << warn << "Could not fill T of pixel: " << pixid << " time = " << (int)mid << endl;
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| 345 |
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| 346 |
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| 347 | } /* switch(pixid) */
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| 348 |
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| 349 | } /* while (pixel.Next()) */
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| 350 |
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| 351 | fCalibrations->SetReadyToSave();
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| 352 |
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| 353 | return kTRUE;
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| 354 | }
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| 355 |
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| 356 | Int_t MCalibrationCalc::PostProcess()
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| 357 | {
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| 358 |
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| 359 | *fLog << inf << endl;
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| 360 | *fLog << GetDescriptor() << " Cut Histogram Edges" << endl;
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| 361 | //
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| 362 | // Cut edges to make fits and viewing of the hists easier
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| 363 | //
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| 364 | fCalibrations->CutEdges();
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| 365 |
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| 366 | //
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| 367 | // Get pointer to blind pixel
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| 368 | //
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| 369 | MCalibrationBlindPix &blindpixel = *(fCalibrations->GetBlindPixel());
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| 370 |
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| 371 | *fLog << GetDescriptor() << " Fitting the Blind Pixel" << endl;
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| 372 |
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| 373 | //
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| 374 | // Fit the blind pixel
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| 375 | //
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| 376 | if (TESTBIT(fFlags,kUseBPFit))
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| 377 | {
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| 378 | if (!blindpixel.FitQ())
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| 379 | *fLog << err << dbginf << "Could not fit the blind pixel " << endl;
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| 380 |
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| 381 | if (!blindpixel.FitT())
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| 382 | *fLog << warn << "Could not the Times of the blind pixel " << endl;
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| 383 |
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| 384 | blindpixel.Draw();
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| 385 |
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| 386 | }
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| 387 |
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| 388 | *fLog << GetDescriptor() << " Fitting the Normal Pixels" << endl;
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| 389 | //
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| 390 | // loop over the pedestal events and check if we have calibration
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| 391 | //
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| 392 | for (Int_t pixid=0; pixid<fPedestals->GetSize(); pixid++)
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| 393 | {
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| 394 |
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| 395 | if (fCalibrations->IsPixelUsed(pixid))
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| 396 | {
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| 397 |
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| 398 | MCalibrationPix &pix = (*fCalibrations)[pixid];
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| 399 |
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| 400 |
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| 401 | if (TESTBIT(fFlags,kUseTFits))
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| 402 | pix.FitT();
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| 403 |
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| 404 | if (!pix.FitQ())
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| 405 | continue;
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| 406 |
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| 407 | const Float_t ped = (*fPedestals)[pixid].GetPedestal();
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| 408 | const Float_t prms = (*fPedestals)[pixid].GetPedestalRms();
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| 409 | pix.SetPedestal(ped,prms);
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| 410 | }
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| 411 | }
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| 412 |
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| 413 | fCalibrations->SetReadyToSave();
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| 414 |
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| 415 | if (GetNumExecutions()==0 || fOverFlow==0)
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| 416 | return kTRUE;
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| 417 |
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| 418 | *fLog << inf << endl;
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| 419 | *fLog << GetDescriptor() << " execution statistics:" << endl;
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| 420 | *fLog << dec << setfill(' ');
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| 421 | *fLog << " " << setw(7) << fOverFlow << " (" << setw(3) << (int)(fOverFlow*100/GetNumExecutions()) << "%) Evts skipped due to: lo gain saturated." << endl;
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| 422 |
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| 423 | return kTRUE;
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| 424 | }
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|---|
