| 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 | //
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| 27 | // MExtractBlindPixel
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| 28 | //
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| 29 | // Extracts the signal from a fixed window in a given range.
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| 30 | //
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| 31 | // Call: SetRange(fHiGainFirst, fHiGainLast, fLoGainFirst, fLoGainLast)
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| 32 | // to modify the ranges. The "low-gain" ranges are used for the NSB rejection
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| 33 | // whereas the high-gain ranges for blind pixel signal extraction. "High-gain"
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| 34 | // ranges can extend to the slices stored as "low-gain" in MRawEvtPixelIter
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| 35 | //
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| 36 | // Defaults are:
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| 37 | //
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| 38 | // fHiGainFirst = fgHiGainFirst = 10
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| 39 | // fHiGainLast = fgHiGainLast = 29
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| 40 | // fLoGainFirst = fgLoGainFirst = 0
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| 41 | // fLoGainLast = fgLoGainLast = 7
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| 42 | //
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| 43 | // The switches:
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| 44 | // - SetExtractionType ( kAmplitude ) and SetExtractionType ( kIntegral )
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| 45 | // can be used to choose between amplitude extraction (using a spline) and
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| 46 | // summed integral.
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| 47 | // - SetExtractionType ( kFilter )
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| 48 | // can be used to apply a filter discarding events passing over a threshold
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| 49 | // defined in fNSBFilterLimit
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| 50 | //
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| 51 | //////////////////////////////////////////////////////////////////////////////
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| 52 | #include "MExtractBlindPixel.h"
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| 53 |
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| 54 | #include "MLog.h"
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| 55 | #include "MLogManip.h"
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| 56 |
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| 57 | #include "MParList.h"
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| 58 |
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| 59 | #include "MRawEvtData.h"
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| 60 | #include "MRawRunHeader.h"
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| 61 | #include "MRawEvtPixelIter.h"
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| 62 |
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| 63 | #include "MPedestalSubtractedEvt.h"
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| 64 | #include "MExtractedSignalBlindPixel.h"
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| 65 |
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| 66 | #include "MPedestalCam.h"
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| 67 | #include "MPedestalPix.h"
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| 68 |
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| 69 | #include "MCalibrationBlindCam.h"
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| 70 | #include "MCalibrationBlindPix.h"
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| 71 |
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| 72 | #include "MExtralgoSpline.h"
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| 73 |
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| 74 | ClassImp(MExtractBlindPixel);
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| 75 |
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| 76 | using namespace std;
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| 77 |
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| 78 | const UInt_t MExtractBlindPixel::fgBlindPixelIdx = 559;
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| 79 | const Byte_t MExtractBlindPixel::fgHiGainFirst = 10;
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| 80 | const Byte_t MExtractBlindPixel::fgHiGainLast = 19;
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| 81 | const Byte_t MExtractBlindPixel::fgLoGainFirst = 0;
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| 82 | const Byte_t MExtractBlindPixel::fgLoGainLast = 7;
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| 83 | const Int_t MExtractBlindPixel::fgNSBFilterLimit = 70;
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| 84 | const Float_t MExtractBlindPixel::fgResolution = 0.003;
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| 85 | const Float_t MExtractBlindPixel::gkOverflow = 300.;
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| 86 |
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| 87 | // --------------------------------------------------------------------------
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| 88 | //
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| 89 | // Default constructor.
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| 90 | //
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| 91 | // Initializes:
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| 92 | // - fBlindPixelIdx to fgBlindPixelIdx
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| 93 | // - fNSBFilterLimit to fgNSBFilterLimit
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| 94 | // - fResolution to fgResolution
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| 95 | // - fExtractionType to 0.
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| 96 | //
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| 97 | // Calls:
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| 98 | // - SetRange(fgHiGainFirst, fgHiGainLast, fgLoGainFirst, fgLoGainLast);
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| 99 | //
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| 100 | MExtractBlindPixel::MExtractBlindPixel(const char *name, const char *title)
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| 101 | : fBlindPixel(0), /*fHiLoLast(0),*/ fDataType(0)
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| 102 | {
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| 103 |
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| 104 | fName = name ? name : "MExtractBlindPixel";
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| 105 | fTitle = title ? title : "Task to extract the signal from the FADC slices";
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| 106 |
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| 107 | SetResolution();
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| 108 | SetNSBFilterLimit();
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| 109 | SetRange(fgHiGainFirst, fgHiGainLast, fgLoGainFirst, fgLoGainLast);
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| 110 |
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| 111 | // SetNumBlindPixels();
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| 112 | fBlindPixelIdx.Set(1);
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| 113 | fBlindPixelIdx[0] = fgBlindPixelIdx;
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| 114 |
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| 115 | Clear();
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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 | // Clear
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| 122 | //
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| 123 | // Initializes:
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| 124 | // - fBlindPixelIdx to 0
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| 125 | // - fExtractionType to 0
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| 126 | //
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| 127 | // Calls:
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| 128 | // - SetBlindPixelIdx()
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| 129 | //
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| 130 | // Deletes and sets to NULL (if exists):
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| 131 | // - fHiGainSignal
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| 132 | // - fHiGainFirstDeriv
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| 133 | // - fHiGainSecondDeriv
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| 134 | //
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| 135 | void MExtractBlindPixel::Clear( const Option_t *o)
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| 136 | {
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| 137 | fExtractionType = 0;
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| 138 |
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| 139 | fBlindPixelIdx.Set(1);
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| 140 | fBlindPixelIdx[0] = fgBlindPixelIdx;
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| 141 | }
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| 142 |
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| 143 | void MExtractBlindPixel::SetBlindPixels(const MCalibrationBlindCam &cam)
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| 144 | {
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| 145 | const Int_t n = cam.GetSize();
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| 146 |
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| 147 | fBlindPixelIdx.Set(n);
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| 148 | for (Int_t i=0; i<n; i++)
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| 149 | fBlindPixelIdx[i] = cam[i].GetPixId();
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| 150 | }
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| 151 |
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| 152 | void MExtractBlindPixel::SetRange(Byte_t hifirst, Byte_t hilast, Int_t lofirst, Byte_t lolast)
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| 153 | {
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| 154 |
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| 155 | MExtractor::SetRange(hifirst,hilast,lofirst,lolast);
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| 156 |
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| 157 | fNumHiGainSamples = (Float_t)(fHiGainLast-fHiGainFirst+1);
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| 158 | // if (lolast)
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| 159 | // fNumLoGainSamples = (Float_t)(fLoGainLast-fLoGainFirst+1);
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| 160 | // else
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| 161 | fNumLoGainSamples = 0.;
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| 162 |
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| 163 | fSqrtHiGainSamples = TMath::Sqrt(fNumHiGainSamples);
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| 164 | fSqrtLoGainSamples = TMath::Sqrt(fNumLoGainSamples);
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| 165 |
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| 166 | //fHiLoFirst = 0;
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| 167 | //fHiLoLast = 0;
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| 168 | }
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| 169 |
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| 170 | // --------------------------------------------------------------------------
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| 171 | //
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| 172 | // Calls:
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| 173 | // - MExtractor::PreProcess(pList)
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| 174 | //
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| 175 | // The following output containers are also searched and created if
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| 176 | // they were not found:
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| 177 | //
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| 178 | // - MExtractedBlindPixel
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| 179 | //
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| 180 | Int_t MExtractBlindPixel::PreProcess(MParList *pList)
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| 181 | {
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| 182 |
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| 183 | if (!MExtractor::PreProcess(pList))
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| 184 | return kFALSE;
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| 185 |
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| 186 | fBlindPixel = (MExtractedSignalBlindPixel*)pList->FindCreateObj(AddSerialNumber("MExtractedSignalBlindPixel"));
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| 187 | if (!fBlindPixel)
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| 188 | return kFALSE;
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| 189 |
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| 190 | const TString raw = IsDataType(kRawEvt2) ? "MRawEvtData2" : "MRawEvtData";
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| 191 | const TString sig = IsDataType(kRawEvt2) ? "MPedestalSubtractedEvt2" : "MPedestalSubtractedEvt";
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| 192 |
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| 193 | fRawEvt = (MRawEvtData*)pList->FindObject(AddSerialNumber(raw), "MRawEvtData");
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| 194 | if (!fRawEvt)
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| 195 | {
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| 196 | *fLog << err << raw << " [MRawEvtData] not found... aborting." << endl;
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| 197 | return kFALSE;
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| 198 | }
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| 199 |
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| 200 | fSignal = (MPedestalSubtractedEvt*)pList->FindObject(AddSerialNumber(sig), "MPedestalSubtractedEvt");
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| 201 | if (!fSignal)
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| 202 | {
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| 203 | *fLog << err << sig << " [MPedestalSubtractedEvt] not found... aborting." << endl;
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| 204 | return kFALSE;
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| 205 | }
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| 206 |
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| 207 | return kTRUE;
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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 | // The ReInit searches for:
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| 213 | // - MRawRunHeader::GetNumSamplesHiGain()
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| 214 | // - MRawRunHeader::GetNumSamplesLoGain()
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| 215 | //
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| 216 | // In case that the variables fHiGainLast and fLoGainLast are smaller than
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| 217 | // the even part of the number of samples obtained from the run header, a
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| 218 | // warning is given an the range is set back accordingly. A call to:
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| 219 | // - SetRange(fHiGainFirst, fHiGainLast-diff, fLoGainFirst, fLoGainLast) or
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| 220 | // - SetRange(fHiGainFirst, fHiGainLast, fLoGainFirst, fLoGainLast-diff)
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| 221 | // is performed in that case. The variable diff means here the difference
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| 222 | // between the requested range (fHiGainLast) and the available one. Note that
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| 223 | // the functions SetRange() are mostly overloaded and perform more checks,
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| 224 | // modifying the ranges again, if necessary.
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| 225 | //
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| 226 | Bool_t MExtractBlindPixel::ReInit(MParList *pList)
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| 227 | {
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| 228 |
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| 229 | for (UInt_t i=0;i<fBlindPixelIdx.GetSize();i++)
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| 230 | fBlindPixel->SetBlindPixelIdx(fBlindPixelIdx[i], i);
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| 231 |
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| 232 | fBlindPixel->SetExtractionType(fExtractionType);
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| 233 | /*
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| 234 | for (UInt_t i=0;i<fBlindPixelIdx.GetSize();i++)
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| 235 | {
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| 236 |
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| 237 | MPedestalPix &pedpix = (*fPedestals)[fBlindPixelIdx.At(i)];
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| 238 |
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| 239 | if (&pedpix)
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| 240 | {
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| 241 | fBlindPixel->SetPed ( pedpix.GetPedestal() * fNumLoGainSamples, i );
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| 242 | fBlindPixel->SetPedErr ( pedpix.GetPedestalRms()* fNumLoGainSamples
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| 243 | / TMath::Sqrt((Float_t)fPedestals->GetNumSlices()*pedpix.GetNumEvents()), i );
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| 244 | fBlindPixel->SetPedRms ( pedpix.GetPedestalRms()* TMath::Sqrt((Float_t)fNumLoGainSamples), i );
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| 245 | fBlindPixel->SetPedRmsErr( fBlindPixel->GetPedErr()/2., i );
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| 246 | }
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| 247 | }
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| 248 |
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| 249 | const Int_t higainsamples = fRunHeader->GetNumSamplesHiGain();
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| 250 | const Int_t logainsamples = fRunHeader->GetNumSamplesLoGain();
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| 251 | Int_t lastavailable = higainsamples-1;
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| 252 |
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| 253 | if (logainsamples)
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| 254 | {
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| 255 | //
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| 256 | // If the signal is searched entirely in the low-gain range, have
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| 257 | // to skip the higain completely. This is steered by the variable fHiLoFirst
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| 258 | //
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| 259 | const Int_t firstdesired = (Int_t)fHiGainFirst;
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| 260 |
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| 261 | if (firstdesired > lastavailable)
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| 262 | {
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| 263 | const Int_t diff = firstdesired - lastavailable;
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| 264 | *fLog << endl;
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| 265 | *fLog << warn << "First Hi Gain slice " << (int)fHiGainFirst << " out of range [0,";
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| 266 | *fLog << lastavailable << "]... start at slice " << diff << " of the Lo Gain " << endl;
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| 267 |
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| 268 | fHiLoFirst = diff;
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| 269 | }
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| 270 | }
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| 271 |
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| 272 | const Int_t lastdesired = (Int_t)fHiGainLast;
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| 273 |
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| 274 | if (lastdesired > lastavailable)
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| 275 | {
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| 276 | Int_t diff = lastdesired - lastavailable;
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| 277 | lastavailable += logainsamples ? logainsamples-1 : 0;
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| 278 |
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| 279 | if (lastdesired > lastavailable)
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| 280 | {
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| 281 | *fLog << endl;
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| 282 | *fLog << "Last Hi Gain slice " << (int)fHiGainLast << " out of range [0,";
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| 283 | *fLog << lastavailable << "]... reduce upper limit by " << diff << endl;
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| 284 | diff = logainsamples;
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| 285 | }
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| 286 |
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| 287 | fHiGainLast = higainsamples - 1;
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| 288 | fHiLoLast = logainsamples ? diff : 0;
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| 289 | }
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| 290 | */
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| 291 | const Int_t range = fHiGainLast-fHiGainFirst+1; //fHiLoFirst ? fHiLoLast - fHiLoFirst + 1 : fHiGainLast - fHiGainFirst + fHiLoLast + 1;
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| 292 |
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| 293 | // fHiGainSignal.Set(range);
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| 294 | // fHiGainSignal.Reset();
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| 295 |
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| 296 | fHiGainFirstDeriv.Set(range);
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| 297 | fHiGainFirstDeriv.Reset();
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| 298 |
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| 299 | fHiGainSecondDeriv.Set(range);
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| 300 | fHiGainSecondDeriv.Reset();
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| 301 |
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| 302 | *fLog << endl;
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| 303 | *fLog << inf << "Extracting "
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| 304 | << (IsExtractionType(kAmplitude) ? "Amplitude" : " Integral")
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| 305 | << " using " << range << " FADC samples from slice "
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| 306 | << (Int_t)fHiGainFirst << " to " << (Int_t)fHiGainLast << " (incl)" << endl;
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| 307 |
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| 308 | if (IsExtractionType(kFilter))
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| 309 | *fLog << inf << "Will use Filter using "
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| 310 | << (Int_t)(fLoGainLast-fLoGainFirst+1) << " FADC slices"
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| 311 | << " from slice " << (Int_t)fLoGainFirst
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| 312 | << " to " << (Int_t)fLoGainLast << endl;
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| 313 |
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| 314 | fBlindPixel->SetUsedFADCSlices(fHiGainFirst, range);
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| 315 |
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| 316 | return kTRUE;
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| 317 |
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| 318 | }
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| 319 |
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| 320 | // --------------------------------------------------------------------------
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| 321 | //
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| 322 | // FindSignalHiGain:
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| 323 | //
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| 324 | // - Loop from ptr to (ptr+fHiGainLast-fHiGainFirst)
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| 325 | // - Sum up contents of *ptr
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| 326 | // - If *ptr is greater than fSaturationLimit, raise sat by 1
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| 327 | // - If fHiLoLast is set, loop from logain to (logain+fHiLoLast)
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| 328 | // - Add contents of *logain to sum
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| 329 | //
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| 330 | /*
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| 331 | void MExtractBlindPixel::FindIntegral(Byte_t *ptr, Byte_t *logain, Float_t &sum, Byte_t &sat)
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| 332 | {
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| 333 | const Byte_t *end = ptr + fHiGainLast - fHiGainFirst + 1;
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| 334 |
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| 335 | Int_t summ = 0;
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| 336 | while (p<end)
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| 337 | {
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| 338 | summ += *ptr;
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| 339 |
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| 340 | if (*ptr++ >= fSaturationLimit)
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| 341 | sat++;
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| 342 | }
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| 343 |
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| 344 | sum = (Float_t)summ;
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| 345 | }
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| 346 | */
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| 347 |
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| 348 | // --------------------------------------------------------------------------
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| 349 | //
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| 350 | // FindSignalPhe:
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| 351 | //
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| 352 | // - Loop from ptr to (ptr+fHiGainLast-fHiGainFirst)
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| 353 | // - Sum up contents of *ptr
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| 354 | // - If *ptr is greater than fSaturationLimit, raise sat by 1
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| 355 | // - If fHiLoLast is set, loop from logain to (logain+fHiLoLast)
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| 356 | // - Add contents of *logain to sum
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| 357 | //
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| 358 | //void MExtractBlindPixel::FindAmplitude(Float_t *ptr, Byte_t *logain, Float_t &sum, Byte_t &sat)
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| 359 | Float_t MExtractBlindPixel::FindAmplitude(Int_t idx, Int_t numsat) const
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| 360 | {
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| 361 | Int_t sat0 = fHiGainFirst; // First slice to extract and first saturating slice
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| 362 | Int_t sat1 = fHiGainLast; // Last slice to extract and last saturating slice
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| 363 |
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| 364 | Int_t maxpos = fSignal->GetMaxPos(idx, sat0, sat1);
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| 365 |
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| 366 | // numsat = fSignal->GetSaturation(idx, fSaturationLimit, sat0, sat1);
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| 367 |
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| 368 | const Float_t *ptr = fSignal->GetSamples(idx);
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| 369 | const Int_t num = fHiGainLast-fHiGainFirst+1;
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| 370 |
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| 371 | MExtralgoSpline s(ptr, num, fHiGainFirstDeriv.GetArray(), fHiGainSecondDeriv.GetArray());
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| 372 |
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| 373 | s.SetExtractionType(MExtralgoSpline::kAmplitude);
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| 374 |
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| 375 | s.Extract(numsat, maxpos);
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| 376 |
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| 377 | return s.GetSignal();
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| 378 | /*
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| 379 | Int_t range = 0;
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| 380 | Int_t count = 0;
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| 381 | Float_t abmaxpos = 0.;
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| 382 | Byte_t *p = ptr;
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| 383 | Byte_t *end;
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| 384 | Byte_t max = 0;
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| 385 | Byte_t maxpos = 0;
|
|---|
| 386 | Int_t summ = 0;
|
|---|
| 387 |
|
|---|
| 388 | if (fHiLoFirst == 0)
|
|---|
| 389 | {
|
|---|
| 390 |
|
|---|
| 391 | range = fHiGainLast - fHiGainFirst + 1;
|
|---|
| 392 |
|
|---|
| 393 | end = ptr + range;
|
|---|
| 394 | //
|
|---|
| 395 | // Check for saturation in all other slices
|
|---|
| 396 | //
|
|---|
| 397 | while (p++<end)
|
|---|
| 398 | {
|
|---|
| 399 |
|
|---|
| 400 | fHiGainSignal[count] = (Float_t)*p;
|
|---|
| 401 | summ += *p;
|
|---|
| 402 |
|
|---|
| 403 | if (*p > max)
|
|---|
| 404 | {
|
|---|
| 405 | max = *p;
|
|---|
| 406 | maxpos = count;
|
|---|
| 407 | }
|
|---|
| 408 |
|
|---|
| 409 | count++;
|
|---|
| 410 |
|
|---|
| 411 | if (*p >= fSaturationLimit)
|
|---|
| 412 | sat++;
|
|---|
| 413 | }
|
|---|
| 414 | }
|
|---|
| 415 |
|
|---|
| 416 | if (fHiLoLast != 0)
|
|---|
| 417 | {
|
|---|
| 418 |
|
|---|
| 419 | p = logain + fHiLoFirst;
|
|---|
| 420 | end = logain + fHiLoLast;
|
|---|
| 421 |
|
|---|
| 422 | while (p<end)
|
|---|
| 423 | {
|
|---|
| 424 |
|
|---|
| 425 | fHiGainSignal[count] = (Float_t)*p;
|
|---|
| 426 | summ += *p;
|
|---|
| 427 |
|
|---|
| 428 | if (*p > max)
|
|---|
| 429 | {
|
|---|
| 430 | max = *p;
|
|---|
| 431 | maxpos = count;
|
|---|
| 432 | }
|
|---|
| 433 |
|
|---|
| 434 | range++;
|
|---|
| 435 | count++;
|
|---|
| 436 |
|
|---|
| 437 | if (*p++ >= fSaturationLimit)
|
|---|
| 438 | sat++;
|
|---|
| 439 | }
|
|---|
| 440 | }
|
|---|
| 441 |
|
|---|
| 442 | //
|
|---|
| 443 | // allow one saturated slice
|
|---|
| 444 | //
|
|---|
| 445 | if (sat > 1)
|
|---|
| 446 | {
|
|---|
| 447 | sum = gkOverflow;
|
|---|
| 448 | return;
|
|---|
| 449 | }
|
|---|
| 450 |
|
|---|
| 451 | //
|
|---|
| 452 | // Don't start if the maxpos is too close to the left limit.
|
|---|
| 453 | //
|
|---|
| 454 | if (maxpos < 2)
|
|---|
| 455 | {
|
|---|
| 456 | sum = (Float_t)max;
|
|---|
| 457 | return;
|
|---|
| 458 | }
|
|---|
| 459 |
|
|---|
| 460 | Float_t pp;
|
|---|
| 461 |
|
|---|
| 462 | for (Int_t i=1;i<range-1;i++)
|
|---|
| 463 | {
|
|---|
| 464 | pp = fHiGainSecondDeriv[i-1] + 4.;
|
|---|
| 465 | fHiGainSecondDeriv[i] = -1.0/pp;
|
|---|
| 466 | fHiGainFirstDeriv [i] = fHiGainSignal[i+1] - fHiGainSignal[i] - fHiGainSignal[i] + fHiGainSignal[i-1];
|
|---|
| 467 | fHiGainFirstDeriv [i] = (6.0*fHiGainFirstDeriv[i]-fHiGainFirstDeriv[i-1])/pp;
|
|---|
| 468 | p++;
|
|---|
| 469 | }
|
|---|
| 470 |
|
|---|
| 471 | fHiGainSecondDeriv[range-1] = 0.;
|
|---|
| 472 | for (Int_t k=range-2;k>=0;k--)
|
|---|
| 473 | fHiGainSecondDeriv[k] = (fHiGainSecondDeriv[k]*fHiGainSecondDeriv[k+1] + fHiGainFirstDeriv[k])/6.;
|
|---|
| 474 |
|
|---|
| 475 | //
|
|---|
| 476 | // Now find the maximum
|
|---|
| 477 | //
|
|---|
| 478 | Float_t step = 0.2; // start with step size of 1ns and loop again with the smaller one
|
|---|
| 479 | Float_t lower = (Float_t)maxpos-1.;
|
|---|
| 480 | Float_t upper = (Float_t)maxpos;
|
|---|
| 481 | Float_t x = lower;
|
|---|
| 482 | Float_t y = 0.;
|
|---|
| 483 | Float_t a = 1.;
|
|---|
| 484 | Float_t b = 0.;
|
|---|
| 485 | Int_t klo = maxpos-1;
|
|---|
| 486 | Int_t khi = maxpos;
|
|---|
| 487 | Float_t klocont = fHiGainSignal[klo];
|
|---|
| 488 | Float_t khicont = fHiGainSignal[khi];
|
|---|
| 489 | sum = (Float_t)khicont;
|
|---|
| 490 | abmaxpos = lower;
|
|---|
| 491 |
|
|---|
| 492 | //
|
|---|
| 493 | // Search for the maximum, starting in interval maxpos-1. If no maximum is found, go to
|
|---|
| 494 | // interval maxpos+1.
|
|---|
| 495 | //
|
|---|
| 496 | while (x<upper-0.3)
|
|---|
| 497 | {
|
|---|
| 498 |
|
|---|
| 499 | x += step;
|
|---|
| 500 | a -= step;
|
|---|
| 501 | b += step;
|
|---|
| 502 |
|
|---|
| 503 | y = a*klocont
|
|---|
| 504 | + b*khicont
|
|---|
| 505 | + (a*a*a-a)*fHiGainSecondDeriv[klo]
|
|---|
| 506 | + (b*b*b-b)*fHiGainSecondDeriv[khi];
|
|---|
| 507 |
|
|---|
| 508 | if (y > sum)
|
|---|
| 509 | {
|
|---|
| 510 | sum = y;
|
|---|
| 511 | abmaxpos = x;
|
|---|
| 512 | }
|
|---|
| 513 | }
|
|---|
| 514 |
|
|---|
| 515 | if (abmaxpos > upper-0.1)
|
|---|
| 516 | {
|
|---|
| 517 |
|
|---|
| 518 | upper = (Float_t)maxpos+1;
|
|---|
| 519 | lower = (Float_t)maxpos;
|
|---|
| 520 | x = lower;
|
|---|
| 521 | a = 1.;
|
|---|
| 522 | b = 0.;
|
|---|
| 523 | khi = maxpos+1;
|
|---|
| 524 | klo = maxpos;
|
|---|
| 525 | klocont = fHiGainSignal[klo];
|
|---|
| 526 | khicont = fHiGainSignal[khi];
|
|---|
| 527 |
|
|---|
| 528 | while (x<upper-0.3)
|
|---|
| 529 | {
|
|---|
| 530 |
|
|---|
| 531 | x += step;
|
|---|
| 532 | a -= step;
|
|---|
| 533 | b += step;
|
|---|
| 534 |
|
|---|
| 535 | y = a* klocont
|
|---|
| 536 | + b* khicont
|
|---|
| 537 | + (a*a*a-a)*fHiGainSecondDeriv[klo]
|
|---|
| 538 | + (b*b*b-b)*fHiGainSecondDeriv[khi];
|
|---|
| 539 |
|
|---|
| 540 | if (y > sum)
|
|---|
| 541 | {
|
|---|
| 542 | sum = y;
|
|---|
| 543 | abmaxpos = x;
|
|---|
| 544 | }
|
|---|
| 545 | }
|
|---|
| 546 | }
|
|---|
| 547 |
|
|---|
| 548 | const Float_t up = abmaxpos+step-0.055;
|
|---|
| 549 | const Float_t lo = abmaxpos-step+0.055;
|
|---|
| 550 | const Float_t maxpossave = abmaxpos;
|
|---|
| 551 |
|
|---|
| 552 | x = abmaxpos;
|
|---|
| 553 | a = upper - x;
|
|---|
| 554 | b = x - lower;
|
|---|
| 555 |
|
|---|
| 556 | step = 0.04; // step size of 83 ps
|
|---|
| 557 |
|
|---|
| 558 | while (x<up)
|
|---|
| 559 | {
|
|---|
| 560 |
|
|---|
| 561 | x += step;
|
|---|
| 562 | a -= step;
|
|---|
| 563 | b += step;
|
|---|
| 564 |
|
|---|
| 565 | y = a* klocont
|
|---|
| 566 | + b* khicont
|
|---|
| 567 | + (a*a*a-a)*fHiGainSecondDeriv[klo]
|
|---|
| 568 | + (b*b*b-b)*fHiGainSecondDeriv[khi];
|
|---|
| 569 |
|
|---|
| 570 | if (y > sum)
|
|---|
| 571 | {
|
|---|
| 572 | sum = y;
|
|---|
| 573 | abmaxpos = x;
|
|---|
| 574 | }
|
|---|
| 575 | }
|
|---|
| 576 |
|
|---|
| 577 | if (abmaxpos < klo + 0.02)
|
|---|
| 578 | {
|
|---|
| 579 | klo--;
|
|---|
| 580 | khi--;
|
|---|
| 581 | klocont = fHiGainSignal[klo];
|
|---|
| 582 | khicont = fHiGainSignal[khi];
|
|---|
| 583 | upper--;
|
|---|
| 584 | lower--;
|
|---|
| 585 | }
|
|---|
| 586 |
|
|---|
| 587 | x = maxpossave;
|
|---|
| 588 | a = upper - x;
|
|---|
| 589 | b = x - lower;
|
|---|
| 590 |
|
|---|
| 591 | while (x>lo)
|
|---|
| 592 | {
|
|---|
| 593 |
|
|---|
| 594 | x -= step;
|
|---|
| 595 | a += step;
|
|---|
| 596 | b -= step;
|
|---|
| 597 |
|
|---|
| 598 | y = a* klocont
|
|---|
| 599 | + b* khicont
|
|---|
| 600 | + (a*a*a-a)*fHiGainSecondDeriv[klo]
|
|---|
| 601 | + (b*b*b-b)*fHiGainSecondDeriv[khi];
|
|---|
| 602 |
|
|---|
| 603 | if (y > sum)
|
|---|
| 604 | {
|
|---|
| 605 | sum = y;
|
|---|
| 606 | abmaxpos = x;
|
|---|
| 607 | }
|
|---|
| 608 | }
|
|---|
| 609 | */
|
|---|
| 610 | }
|
|---|
| 611 |
|
|---|
| 612 | // --------------------------------------------------------------------------
|
|---|
| 613 | //
|
|---|
| 614 | // FindSignalFilter:
|
|---|
| 615 | //
|
|---|
| 616 | // - Loop from ptr to (ptr+fLoGainLast-fLoGainFirst)
|
|---|
| 617 | // - Sum up contents of *ptr
|
|---|
| 618 | // - If *ptr is greater than fSaturationLimit, raise sat by 1
|
|---|
| 619 | //
|
|---|
| 620 | /*
|
|---|
| 621 | void MExtractBlindPixel::FindSignalFilter(Byte_t *ptr, Int_t range, Int_t &sum, Byte_t &sat) const
|
|---|
| 622 | {
|
|---|
| 623 |
|
|---|
| 624 | Byte_t *end = ptr + range;
|
|---|
| 625 |
|
|---|
| 626 | while (ptr<end)
|
|---|
| 627 | {
|
|---|
| 628 | sum += *ptr;
|
|---|
| 629 |
|
|---|
| 630 | if (*ptr++ >= fSaturationLimit)
|
|---|
| 631 | sat++;
|
|---|
| 632 | }
|
|---|
| 633 | }
|
|---|
| 634 | */
|
|---|
| 635 |
|
|---|
| 636 | // --------------------------------------------------------------------------
|
|---|
| 637 | //
|
|---|
| 638 | // Calculate the integral of the FADC time slices and store them as a new
|
|---|
| 639 | // pixel in the MExtractedBlindPixel container.
|
|---|
| 640 | //
|
|---|
| 641 | Int_t MExtractBlindPixel::Process()
|
|---|
| 642 | {
|
|---|
| 643 |
|
|---|
| 644 | MRawEvtPixelIter pixel(fRawEvt);
|
|---|
| 645 |
|
|---|
| 646 | fBlindPixel->Clear();
|
|---|
| 647 |
|
|---|
| 648 | for (UInt_t id=0;id<fBlindPixelIdx.GetSize();id++)
|
|---|
| 649 | {
|
|---|
| 650 | // Be carefull: GetSaturation changed sat0 and sat1
|
|---|
| 651 | Int_t sat0 = fHiGainFirst; // First slice to extract and first saturating slice
|
|---|
| 652 | Int_t sat1 = fHiGainLast; // Last slice to extract and last saturating slice
|
|---|
| 653 |
|
|---|
| 654 | const Int_t sat = fSignal->GetSaturation(fBlindPixelIdx[id], fSaturationLimit, sat0, sat1);
|
|---|
| 655 |
|
|---|
| 656 | if (IsExtractionType(kFilter))
|
|---|
| 657 | {
|
|---|
| 658 | // FIXME: fLoGain* is used to determine the FILTER/CHECK range
|
|---|
| 659 | const Int_t numh = fRunHeader->GetNumSamplesHiGain();
|
|---|
| 660 |
|
|---|
| 661 | const Int_t sum = fSignal->GetIntegralRaw(fBlindPixelIdx[id], fLoGainFirst+numh, fLoGainLast+numh);
|
|---|
| 662 | if (sum > fNSBFilterLimit)
|
|---|
| 663 | {
|
|---|
| 664 | fBlindPixel->SetExtractedSignal(-1.,id);
|
|---|
| 665 | fBlindPixel->SetNumSaturated(sat,id);
|
|---|
| 666 | fBlindPixel->SetReadyToSave();
|
|---|
| 667 | continue;
|
|---|
| 668 | }
|
|---|
| 669 |
|
|---|
| 670 | /*
|
|---|
| 671 | sum = 0;
|
|---|
| 672 | if (pixel.HasLoGain())
|
|---|
| 673 | FindSignalFilter(sl+pixel.GetNumLoGainSamples()+fLoGainFirst, fLoGainLast - fLoGainFirst + 1, sum, sat);
|
|---|
| 674 |
|
|---|
| 675 | if (fModified)
|
|---|
| 676 | {
|
|---|
| 677 | if (sum > fNSBFilterLimit)
|
|---|
| 678 | {
|
|---|
| 679 | fBlindPixel->SetExtractedSignal(-1.,id);
|
|---|
| 680 | fBlindPixel->SetNumSaturated(sat,id);
|
|---|
| 681 | fBlindPixel->SetReadyToSave();
|
|---|
| 682 | continue;
|
|---|
| 683 | }
|
|---|
| 684 | }
|
|---|
| 685 | */
|
|---|
| 686 | }
|
|---|
| 687 |
|
|---|
| 688 |
|
|---|
| 689 | Float_t newsum = 0.;
|
|---|
| 690 | if (IsExtractionType(kAmplitude))
|
|---|
| 691 | newsum = FindAmplitude(fBlindPixelIdx[id], sat);
|
|---|
| 692 | else
|
|---|
| 693 | newsum = fSignal->GetIntegralRaw(fBlindPixelIdx[id], fHiGainFirst, fHiGainLast);
|
|---|
| 694 |
|
|---|
| 695 | fBlindPixel->SetExtractedSignal(newsum, id);
|
|---|
| 696 | fBlindPixel->SetNumSaturated(sat, id);
|
|---|
| 697 | }
|
|---|
| 698 |
|
|---|
| 699 | fBlindPixel->SetReadyToSave();
|
|---|
| 700 | return kTRUE;
|
|---|
| 701 | }
|
|---|
| 702 |
|
|---|
| 703 | // ------------------------------------------------------------------------------------
|
|---|
| 704 | //
|
|---|
| 705 | // Returns true if the Data type. Available are: kAmplitude, kIntegral and kFilter
|
|---|
| 706 | // The flags kIntegral and kFilter may be set both.
|
|---|
| 707 | //
|
|---|
| 708 | Bool_t MExtractBlindPixel::IsDataType( const DataType_t typ )
|
|---|
| 709 | {
|
|---|
| 710 | return TESTBIT( fDataType, typ );
|
|---|
| 711 | }
|
|---|
| 712 |
|
|---|
| 713 | // ------------------------------------------------------------------------------------
|
|---|
| 714 | //
|
|---|
| 715 | // Returns true if the extraction type. Available are: kAmplitude, kIntegral and kFilter
|
|---|
| 716 | // The flags kIntegral and kFilter may be set both.
|
|---|
| 717 | //
|
|---|
| 718 | Bool_t MExtractBlindPixel::IsExtractionType( const ExtractionType_t typ )
|
|---|
| 719 | {
|
|---|
| 720 | return TESTBIT( fExtractionType, typ );
|
|---|
| 721 | }
|
|---|
| 722 |
|
|---|
| 723 | // --------------------------------------------------------------------------
|
|---|
| 724 | //
|
|---|
| 725 | // Sets the Data type. Available are: kAmplitude and kIntegral
|
|---|
| 726 | //
|
|---|
| 727 | void MExtractBlindPixel::SetDataType( const DataType_t typ )
|
|---|
| 728 | {
|
|---|
| 729 | SETBIT( fDataType, typ );
|
|---|
| 730 | }
|
|---|
| 731 |
|
|---|
| 732 | // --------------------------------------------------------------------------
|
|---|
| 733 | //
|
|---|
| 734 | // Sets the extraction type. Available are: kAmplitude and kIntegral
|
|---|
| 735 | //
|
|---|
| 736 | void MExtractBlindPixel::SetExtractionType( const ExtractionType_t typ )
|
|---|
| 737 | {
|
|---|
| 738 | SETBIT( fExtractionType, typ );
|
|---|
| 739 | }
|
|---|