]>
Commit | Line | Data |
---|---|---|
168c7b3c | 1 | // -*- mode: c++ -*- |
d655d7dd | 2 | /************************************************************************** |
e37e3c84 | 3 | * This file is property of and copyright by * |
4 | * the Relativistic Heavy Ion Group (RHIG), Yale University, US, 2009 * | |
5 | * * | |
6 | * Primary Author: Per Thomas Hille <perthomas.hille@yale.edu> * | |
d655d7dd | 7 | * * |
d655d7dd | 8 | * Contributors are mentioned in the code where appropriate. * |
bab48e74 | 9 | * Please report bugs to perthomas.hille@yale.edu * |
d655d7dd | 10 | * * |
11 | * Permission to use, copy, modify and distribute this software and its * | |
12 | * documentation strictly for non-commercial purposes is hereby granted * | |
13 | * without fee, provided that the above copyright notice appears in all * | |
14 | * copies and that both the copyright notice and this permission notice * | |
15 | * appear in the supporting documentation. The authors make no claims * | |
16 | * about the suitability of this software for any purpose. It is * | |
17 | * provided "as is" without express or implied warranty. * | |
18 | **************************************************************************/ | |
19 | ||
20 | // The Peak-Finder algorithm | |
21 | // The amplitude is extracted as a | |
22 | // weighted sum of the samples using the | |
23 | // best possible weights. | |
24 | // The wights is calculated only once and the | |
25 | // Actual extraction of amplitude and peak position | |
26 | // Is done with a simple vector multiplication, allowing for | |
27 | // Extreemely fast computations. | |
28 | ||
57839add | 29 | #include "AliCaloRawAnalyzerPeakFinder.h" |
30 | #include "AliCaloBunchInfo.h" | |
31 | #include "AliCaloFitResults.h" | |
d655d7dd | 32 | #include "TMath.h" |
33 | #include "AliLog.h" | |
bab48e74 | 34 | #include "AliCDBEntry.h" |
35 | #include "AliCDBManager.h" | |
36 | #include "TFile.h" | |
37 | #include "AliCaloPeakFinderVectors.h" | |
168c7b3c | 38 | #include <iostream> |
92d9f317 | 39 | |
d655d7dd | 40 | using namespace std; |
41 | ||
bab48e74 | 42 | |
d468be51 | 43 | |
e37e3c84 | 44 | ClassImp( AliCaloRawAnalyzerPeakFinder ) |
45 | ||
bab48e74 | 46 | |
47 | AliCaloRawAnalyzerPeakFinder::AliCaloRawAnalyzerPeakFinder() :AliCaloRawAnalyzer("Peak-Finder", "PF"), | |
fc7cd737 | 48 | fPeakFinderVectors(0), |
168c7b3c | 49 | fRunOnAlien(false), |
50 | fIsInitialized(false) | |
d655d7dd | 51 | { |
fc7cd737 | 52 | //Comment |
168c7b3c | 53 | fAlgo= Algo::kPeakFinder; |
bab48e74 | 54 | fPeakFinderVectors = new AliCaloPeakFinderVectors() ; |
55 | ResetVectors(); | |
56 | LoadVectorsOCDB(); | |
bab48e74 | 57 | } |
58 | ||
bab48e74 | 59 | void |
60 | AliCaloRawAnalyzerPeakFinder::ResetVectors() | |
61 | { | |
fc7cd737 | 62 | //As name implies |
168c7b3c | 63 | for(int i=0; i < PF::MAXSTART; i++) |
d655d7dd | 64 | { |
168c7b3c | 65 | for(int j=0; j < PF::SAMPLERANGE; j++ ) |
d655d7dd | 66 | { |
d655d7dd | 67 | for(int k=0; k < 100; k++ ) |
68 | { | |
69 | fPFAmpVectors[i][j][k] = 0; | |
70 | fPFTofVectors[i][j][k] = 0; | |
48a2e3eb | 71 | fPFAmpVectorsCoarse[i][j][k] = 0; |
72 | fPFTofVectorsCoarse[i][j][k] = 0; | |
d655d7dd | 73 | } |
74 | } | |
75 | } | |
d655d7dd | 76 | } |
77 | ||
78 | ||
57839add | 79 | AliCaloRawAnalyzerPeakFinder::~AliCaloRawAnalyzerPeakFinder() |
d655d7dd | 80 | { |
81 | //comment | |
d655d7dd | 82 | } |
83 | ||
84 | ||
48a2e3eb | 85 | Double_t |
86 | AliCaloRawAnalyzerPeakFinder::ScanCoarse(const Double_t *const array, const int length ) const | |
87 | { | |
bab48e74 | 88 | // Fisrt (coarce) estimate of Amplitude using the Peak-Finder. |
89 | // The output of the first iteration is sued to select vectors | |
90 | // for the second iteration. | |
91 | ||
48a2e3eb | 92 | Double_t tmpTof = 0; |
93 | Double_t tmpAmp= 0; | |
94 | ||
95 | for(int i=0; i < length; i++) | |
96 | { | |
97 | tmpTof += fPFTofVectorsCoarse[0][length][i]*array[i]; | |
98 | tmpAmp += fPFAmpVectorsCoarse[0][length][i]*array[i]; | |
99 | } | |
100 | ||
101 | tmpTof = tmpTof / tmpAmp ; | |
102 | return tmpTof; | |
103 | } | |
104 | ||
105 | ||
57839add | 106 | AliCaloFitResults |
107 | AliCaloRawAnalyzerPeakFinder::Evaluate( const vector<AliCaloBunchInfo> &bunchvector, const UInt_t altrocfg1, const UInt_t altrocfg2 ) | |
d655d7dd | 108 | { |
1f847d9f | 109 | // Evaluation of amplitude and TOF |
168c7b3c | 110 | if( fIsInitialized == false ) |
111 | { | |
112 | cout << __FILE__ << ":" << __LINE__ << "ERROR, peakfinder vectors not loaded" << endl; | |
113 | return AliCaloFitResults(kInvalid, kInvalid); | |
114 | } | |
115 | ||
d655d7dd | 116 | // Extracting the amplitude using the Peak-Finder algorithm |
117 | // The amplitude is a weighted sum of the samples using | |
118 | // optimum weights. | |
119 | ||
120 | short maxampindex; //index of maximum amplitude | |
121 | short maxamp; //Maximum amplitude | |
bab48e74 | 122 | fAmp = 0; |
d655d7dd | 123 | int index = SelectBunch( bunchvector, &maxampindex, &maxamp ); |
168c7b3c | 124 | |
d655d7dd | 125 | if( index >= 0) |
126 | { | |
127 | Float_t ped = ReverseAndSubtractPed( &(bunchvector.at(index)) , altrocfg1, altrocfg2, fReversed ); | |
128 | Float_t maxf = TMath::MaxElement( bunchvector.at(index).GetLength(), fReversed ); | |
f57baa2d | 129 | short timebinOffset = maxampindex - (bunchvector.at( index ).GetLength()-1); |
168c7b3c | 130 | |
2cd0ffda | 131 | if( maxf < fAmpCut || ( maxamp - ped) > fOverflowCut ) // (maxamp - ped) > fOverflowCut = Close to saturation (use low gain then) |
d655d7dd | 132 | { |
168c7b3c | 133 | return AliCaloFitResults( maxamp, ped, Ret::kCrude, maxf, timebinOffset); |
2cd0ffda | 134 | } |
135 | else if ( maxf >= fAmpCut ) | |
136 | { | |
137 | int first = 0; | |
138 | int last = 0; | |
139 | short maxrev = maxampindex - bunchvector.at(index).GetStartBin(); | |
92d9f317 | 140 | SelectSubarray( fReversed, bunchvector.at(index).GetLength(), maxrev, &first, &last, fFitArrayCut); |
d655d7dd | 141 | int nsamples = last - first; |
2cd0ffda | 142 | |
143 | if( ( nsamples ) >= fNsampleCut ) // no if statement needed really; keep for readability | |
d655d7dd | 144 | { |
145 | int startbin = bunchvector.at(index).GetStartBin(); | |
48a2e3eb | 146 | int n = last - first; |
d655d7dd | 147 | int pfindex = n - fNsampleCut; |
168c7b3c | 148 | pfindex = pfindex > PF::SAMPLERANGE ? PF::SAMPLERANGE : pfindex; |
8ffb0474 | 149 | int dt = maxampindex - startbin -2; |
8ffb0474 | 150 | int tmpindex = 0; |
48a2e3eb | 151 | Float_t tmptof = ScanCoarse( &fReversed[dt] , n ); |
152 | ||
153 | if( tmptof < -1 ) | |
154 | { | |
155 | tmpindex = 0; | |
156 | } | |
157 | else | |
158 | if( tmptof > -1 && tmptof < 100 ) | |
159 | { | |
bab48e74 | 160 | tmpindex = 1; |
48a2e3eb | 161 | } |
162 | else | |
163 | { | |
164 | tmpindex = 2; | |
165 | } | |
bab48e74 | 166 | |
8ffb0474 | 167 | double tof = 0; |
168c7b3c | 168 | for(int k=0; k < PF::SAMPLERANGE; k++ ) |
8ffb0474 | 169 | { |
170 | tof += fPFTofVectors[0][pfindex][k]*fReversed[ dt +k + tmpindex -1 ]; | |
171 | } | |
168c7b3c | 172 | for( int i=0; i < PF::SAMPLERANGE; i++ ) |
bab48e74 | 173 | { |
174 | { | |
f67ce0df | 175 | |
bab48e74 | 176 | fAmp += fPFAmpVectors[0][pfindex][i]*fReversed[ dt +i +tmpindex -1 ]; |
177 | } | |
178 | } | |
f67ce0df | 179 | |
bab48e74 | 180 | if( TMath::Abs( (maxf - fAmp )/maxf ) > 0.1 ) |
48a2e3eb | 181 | { |
bab48e74 | 182 | fAmp = maxf; |
48a2e3eb | 183 | } |
48a2e3eb | 184 | |
92d9f317 | 185 | tof = timebinOffset - 0.01*tof/fAmp - fL1Phase/TIMEBINWITH; // clock |
2cd0ffda | 186 | Float_t chi2 = CalculateChi2(fAmp, tof-timebinOffset+maxrev, first, last); |
187 | Int_t ndf = last - first - 1; // nsamples - 2 | |
168c7b3c | 188 | return AliCaloFitResults( maxamp, ped , Ret::kFitPar, fAmp, tof, |
2cd0ffda | 189 | timebinOffset, chi2, ndf, |
168c7b3c | 190 | Ret::kDummy, AliCaloFitSubarray(index, maxrev, first, last) ); |
d655d7dd | 191 | } |
192 | else | |
193 | { | |
2cd0ffda | 194 | Float_t chi2 = CalculateChi2(maxf, maxrev, first, last); |
195 | Int_t ndf = last - first - 1; // nsamples - 2 | |
168c7b3c | 196 | return AliCaloFitResults( maxamp, ped , Ret::kCrude, maxf, timebinOffset, |
197 | timebinOffset, chi2, ndf, Ret::kDummy, AliCaloFitSubarray(index, maxrev, first, last) ); | |
d655d7dd | 198 | } |
2cd0ffda | 199 | } // ampcut |
d655d7dd | 200 | } |
168c7b3c | 201 | return AliCaloFitResults(kInvalid, kInvalid); |
d655d7dd | 202 | } |
203 | ||
204 | ||
bab48e74 | 205 | void |
168c7b3c | 206 | AliCaloRawAnalyzerPeakFinder::CopyVectors( const AliCaloPeakFinderVectors *const pfv ) |
bab48e74 | 207 | { |
208 | // As name implies | |
bab48e74 | 209 | if ( pfv != 0) |
210 | { | |
168c7b3c | 211 | for(int i = 0; i < PF::MAXSTART ; i++) |
bab48e74 | 212 | { |
168c7b3c | 213 | for( int j=0; j < PF::SAMPLERANGE; j++) |
bab48e74 | 214 | { |
0cb95545 | 215 | pfv->GetVector( i, j, fPFAmpVectors[i][j] , fPFTofVectors[i][j], |
216 | fPFAmpVectorsCoarse[i][j] , fPFTofVectorsCoarse[i][j] ); | |
168c7b3c | 217 | |
bab48e74 | 218 | fPeakFinderVectors->SetVector( i, j, fPFAmpVectors[i][j], fPFTofVectors[i][j], |
219 | fPFAmpVectorsCoarse[i][j], fPFTofVectorsCoarse[i][j] ); | |
220 | } | |
221 | } | |
222 | } | |
223 | else | |
224 | { | |
225 | AliFatal( "pfv = ZERO !!!!!!!"); | |
bab48e74 | 226 | } |
227 | } | |
228 | ||
229 | ||
bab48e74 | 230 | void |
231 | AliCaloRawAnalyzerPeakFinder::LoadVectorsOCDB() | |
232 | { | |
233 | //Loading of Peak-Finder vectors from the | |
234 | //Offline Condition Database (OCDB) | |
bab48e74 | 235 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("EMCAL/Calib/PeakFinder/"); |
11bcc677 | 236 | |
bab48e74 | 237 | if( entry != 0 ) |
11bcc677 | 238 | { |
f73babef | 239 | //cout << __FILE__ << ":" << __LINE__ << ": Printing metadata !! " << endl; |
240 | //entry->PrintMetaData(); | |
11bcc677 | 241 | AliCaloPeakFinderVectors *pfv = (AliCaloPeakFinderVectors *)entry->GetObject(); |
242 | if( pfv == 0 ) | |
bab48e74 | 243 | { |
11bcc677 | 244 | cout << __FILE__ << ":" << __LINE__ << "_ ERRROR " << endl; |
245 | } | |
11bcc677 | 246 | CopyVectors( pfv ); |
1f847d9f | 247 | |
11bcc677 | 248 | if( pfv != 0 ) |
249 | { | |
250 | fIsInitialized = true; | |
168c7b3c | 251 | } |
11bcc677 | 252 | } |
bab48e74 | 253 | } |
254 | ||
255 | ||
bab48e74 | 256 | void |
257 | AliCaloRawAnalyzerPeakFinder::WriteRootFile() const | |
afae9650 | 258 | { // Utility function to write Peak-Finder vectors to an root file |
bab48e74 | 259 | // The output is used to create an OCDB entry. |
bab48e74 | 260 | fPeakFinderVectors->PrintVectors(); |
bab48e74 | 261 | TFile *f = new TFile("peakfindervectors2.root", "recreate" ); |
262 | fPeakFinderVectors->Write(); | |
263 | f->Close(); | |
264 | delete f; | |
48a2e3eb | 265 | } |
168c7b3c | 266 | |
267 | ||
268 | void | |
269 | AliCaloRawAnalyzerPeakFinder::PrintVectors() | |
afae9650 | 270 | { // Utility function to write Peak-Finder vectors |
168c7b3c | 271 | for(int i=0; i < 20; i++) |
272 | { | |
273 | for( int j = 0; j < PF::MAXSTART; j ++ ) | |
274 | { | |
275 | for( int k=0; k < PF::SAMPLERANGE; k++ ) | |
276 | { | |
277 | cout << fPFAmpVectors[j][k][i] << "\t" ; | |
278 | } | |
279 | } | |
280 | cout << endl; | |
281 | } | |
282 | cout << __FILE__ << ":" << __LINE__ << ":.... DONE !!" << endl; | |
283 | } |