]>
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 | //#include "AliEMCALRawUtils.h" |
40 | ||
d655d7dd | 41 | using namespace std; |
42 | ||
bab48e74 | 43 | |
e37e3c84 | 44 | ClassImp( AliCaloRawAnalyzerPeakFinder ) |
45 | ||
bab48e74 | 46 | |
47 | AliCaloRawAnalyzerPeakFinder::AliCaloRawAnalyzerPeakFinder() :AliCaloRawAnalyzer("Peak-Finder", "PF"), | |
92d9f317 | 48 | // fAmp(0), |
fc7cd737 | 49 | fPeakFinderVectors(0), |
168c7b3c | 50 | fRunOnAlien(false), |
51 | fIsInitialized(false) | |
d655d7dd | 52 | { |
fc7cd737 | 53 | //Comment |
168c7b3c | 54 | fAlgo= Algo::kPeakFinder; |
bab48e74 | 55 | InitOCDB(fRunOnAlien); |
56 | fPeakFinderVectors = new AliCaloPeakFinderVectors() ; | |
57 | ResetVectors(); | |
58 | LoadVectorsOCDB(); | |
bab48e74 | 59 | } |
60 | ||
61 | ||
62 | void | |
63 | AliCaloRawAnalyzerPeakFinder::InitOCDB(bool alien) const | |
64 | { | |
65 | // Setting the default OCDB pathe depending on wether we work locally or on the GRID. | |
b2eed176 | 66 | |
67 | ||
68 | // if( AliCDBManager::Instance()->HasStorage("alien://$ALICE_ROOT/OCDB") == false && AliCDBManager::Instance()->HasStorage("local://$ALICE_ROOT/OCDB") == false ) | |
69 | if( !AliCDBManager::Instance()->IsDefaultStorageSet ()) | |
70 | { | |
71 | AliCDBManager::Instance()->SetDefaultStorage( alien == true ? "alien://$ALICE_ROOT/OCDB" : "local://$ALICE_ROOT/OCDB" ); | |
72 | AliCDBManager::Instance()->SetRun(100); | |
73 | } | |
bab48e74 | 74 | } |
d655d7dd | 75 | |
d655d7dd | 76 | |
bab48e74 | 77 | void |
78 | AliCaloRawAnalyzerPeakFinder::ResetVectors() | |
79 | { | |
fc7cd737 | 80 | //As name implies |
168c7b3c | 81 | for(int i=0; i < PF::MAXSTART; i++) |
d655d7dd | 82 | { |
168c7b3c | 83 | for(int j=0; j < PF::SAMPLERANGE; j++ ) |
d655d7dd | 84 | { |
d655d7dd | 85 | for(int k=0; k < 100; k++ ) |
86 | { | |
87 | fPFAmpVectors[i][j][k] = 0; | |
88 | fPFTofVectors[i][j][k] = 0; | |
48a2e3eb | 89 | fPFAmpVectorsCoarse[i][j][k] = 0; |
90 | fPFTofVectorsCoarse[i][j][k] = 0; | |
d655d7dd | 91 | } |
92 | } | |
93 | } | |
d655d7dd | 94 | } |
95 | ||
96 | ||
57839add | 97 | AliCaloRawAnalyzerPeakFinder::~AliCaloRawAnalyzerPeakFinder() |
d655d7dd | 98 | { |
99 | //comment | |
d655d7dd | 100 | } |
101 | ||
102 | ||
48a2e3eb | 103 | Double_t |
104 | AliCaloRawAnalyzerPeakFinder::ScanCoarse(const Double_t *const array, const int length ) const | |
105 | { | |
bab48e74 | 106 | // Fisrt (coarce) estimate of Amplitude using the Peak-Finder. |
107 | // The output of the first iteration is sued to select vectors | |
108 | // for the second iteration. | |
109 | ||
48a2e3eb | 110 | Double_t tmpTof = 0; |
111 | Double_t tmpAmp= 0; | |
112 | ||
113 | for(int i=0; i < length; i++) | |
114 | { | |
115 | tmpTof += fPFTofVectorsCoarse[0][length][i]*array[i]; | |
116 | tmpAmp += fPFAmpVectorsCoarse[0][length][i]*array[i]; | |
117 | } | |
118 | ||
119 | tmpTof = tmpTof / tmpAmp ; | |
120 | return tmpTof; | |
121 | } | |
122 | ||
123 | ||
57839add | 124 | AliCaloFitResults |
125 | AliCaloRawAnalyzerPeakFinder::Evaluate( const vector<AliCaloBunchInfo> &bunchvector, const UInt_t altrocfg1, const UInt_t altrocfg2 ) | |
d655d7dd | 126 | { |
168c7b3c | 127 | if( fIsInitialized == false ) |
128 | { | |
129 | cout << __FILE__ << ":" << __LINE__ << "ERROR, peakfinder vectors not loaded" << endl; | |
130 | return AliCaloFitResults(kInvalid, kInvalid); | |
131 | } | |
132 | ||
d655d7dd | 133 | // Extracting the amplitude using the Peak-Finder algorithm |
134 | // The amplitude is a weighted sum of the samples using | |
135 | // optimum weights. | |
136 | ||
137 | short maxampindex; //index of maximum amplitude | |
138 | short maxamp; //Maximum amplitude | |
bab48e74 | 139 | fAmp = 0; |
d655d7dd | 140 | int index = SelectBunch( bunchvector, &maxampindex, &maxamp ); |
168c7b3c | 141 | |
d655d7dd | 142 | if( index >= 0) |
143 | { | |
144 | Float_t ped = ReverseAndSubtractPed( &(bunchvector.at(index)) , altrocfg1, altrocfg2, fReversed ); | |
145 | Float_t maxf = TMath::MaxElement( bunchvector.at(index).GetLength(), fReversed ); | |
f57baa2d | 146 | short timebinOffset = maxampindex - (bunchvector.at( index ).GetLength()-1); |
168c7b3c | 147 | |
2cd0ffda | 148 | if( maxf < fAmpCut || ( maxamp - ped) > fOverflowCut ) // (maxamp - ped) > fOverflowCut = Close to saturation (use low gain then) |
d655d7dd | 149 | { |
168c7b3c | 150 | return AliCaloFitResults( maxamp, ped, Ret::kCrude, maxf, timebinOffset); |
2cd0ffda | 151 | } |
152 | else if ( maxf >= fAmpCut ) | |
153 | { | |
154 | int first = 0; | |
155 | int last = 0; | |
156 | short maxrev = maxampindex - bunchvector.at(index).GetStartBin(); | |
92d9f317 | 157 | SelectSubarray( fReversed, bunchvector.at(index).GetLength(), maxrev, &first, &last, fFitArrayCut); |
d655d7dd | 158 | int nsamples = last - first; |
2cd0ffda | 159 | |
160 | if( ( nsamples ) >= fNsampleCut ) // no if statement needed really; keep for readability | |
d655d7dd | 161 | { |
162 | int startbin = bunchvector.at(index).GetStartBin(); | |
48a2e3eb | 163 | int n = last - first; |
d655d7dd | 164 | int pfindex = n - fNsampleCut; |
168c7b3c | 165 | pfindex = pfindex > PF::SAMPLERANGE ? PF::SAMPLERANGE : pfindex; |
d655d7dd | 166 | |
8ffb0474 | 167 | int dt = maxampindex - startbin -2; |
8ffb0474 | 168 | int tmpindex = 0; |
169 | ||
168c7b3c | 170 | |
48a2e3eb | 171 | Float_t tmptof = ScanCoarse( &fReversed[dt] , n ); |
172 | ||
173 | if( tmptof < -1 ) | |
174 | { | |
175 | tmpindex = 0; | |
176 | } | |
177 | else | |
178 | if( tmptof > -1 && tmptof < 100 ) | |
179 | { | |
bab48e74 | 180 | tmpindex = 1; |
48a2e3eb | 181 | } |
182 | else | |
183 | { | |
184 | tmpindex = 2; | |
185 | } | |
bab48e74 | 186 | |
8ffb0474 | 187 | double tof = 0; |
168c7b3c | 188 | |
189 | for(int k=0; k < PF::SAMPLERANGE; k++ ) | |
8ffb0474 | 190 | { |
191 | tof += fPFTofVectors[0][pfindex][k]*fReversed[ dt +k + tmpindex -1 ]; | |
192 | } | |
bab48e74 | 193 | |
168c7b3c | 194 | for( int i=0; i < PF::SAMPLERANGE; i++ ) |
bab48e74 | 195 | { |
196 | { | |
197 | fAmp += fPFAmpVectors[0][pfindex][i]*fReversed[ dt +i +tmpindex -1 ]; | |
198 | } | |
199 | } | |
bab48e74 | 200 | if( TMath::Abs( (maxf - fAmp )/maxf ) > 0.1 ) |
48a2e3eb | 201 | { |
168c7b3c | 202 | // cout << __FILE__ << ":" << __LINE__ << "WARNING: amp was" << fAmp <<", but was changed to "<< maxf << endl; |
bab48e74 | 203 | fAmp = maxf; |
48a2e3eb | 204 | } |
48a2e3eb | 205 | |
92d9f317 | 206 | // tof = timebinOffset - 0.01*tof/fAmp; // clock ticks |
207 | tof = timebinOffset - 0.01*tof/fAmp - fL1Phase/TIMEBINWITH; // clock | |
208 | ||
2cd0ffda | 209 | // use local-array time for chi2 estimate |
210 | Float_t chi2 = CalculateChi2(fAmp, tof-timebinOffset+maxrev, first, last); | |
211 | Int_t ndf = last - first - 1; // nsamples - 2 | |
168c7b3c | 212 | return AliCaloFitResults( maxamp, ped , Ret::kFitPar, fAmp, tof, |
2cd0ffda | 213 | timebinOffset, chi2, ndf, |
168c7b3c | 214 | Ret::kDummy, AliCaloFitSubarray(index, maxrev, first, last) ); |
d655d7dd | 215 | } |
216 | else | |
217 | { | |
2cd0ffda | 218 | Float_t chi2 = CalculateChi2(maxf, maxrev, first, last); |
219 | Int_t ndf = last - first - 1; // nsamples - 2 | |
168c7b3c | 220 | return AliCaloFitResults( maxamp, ped , Ret::kCrude, maxf, timebinOffset, |
221 | timebinOffset, chi2, ndf, Ret::kDummy, AliCaloFitSubarray(index, maxrev, first, last) ); | |
d655d7dd | 222 | } |
2cd0ffda | 223 | } // ampcut |
d655d7dd | 224 | } |
168c7b3c | 225 | return AliCaloFitResults(kInvalid, kInvalid); |
d655d7dd | 226 | } |
227 | ||
228 | ||
bab48e74 | 229 | void |
168c7b3c | 230 | AliCaloRawAnalyzerPeakFinder::CopyVectors( const AliCaloPeakFinderVectors *const pfv ) |
bab48e74 | 231 | { |
232 | // As name implies | |
bab48e74 | 233 | if ( pfv != 0) |
234 | { | |
168c7b3c | 235 | for(int i = 0; i < PF::MAXSTART ; i++) |
bab48e74 | 236 | { |
168c7b3c | 237 | for( int j=0; j < PF::SAMPLERANGE; j++) |
bab48e74 | 238 | { |
9673e4de | 239 | // cout << __FILE__ << ":" << __LINE__ << ": TPX !!; i= "<< i << " j = "<< j << endl; |
0cb95545 | 240 | pfv->GetVector( i, j, fPFAmpVectors[i][j] , fPFTofVectors[i][j], |
241 | fPFAmpVectorsCoarse[i][j] , fPFTofVectorsCoarse[i][j] ); | |
168c7b3c | 242 | |
bab48e74 | 243 | fPeakFinderVectors->SetVector( i, j, fPFAmpVectors[i][j], fPFTofVectors[i][j], |
244 | fPFAmpVectorsCoarse[i][j], fPFTofVectorsCoarse[i][j] ); | |
245 | } | |
246 | } | |
247 | } | |
248 | else | |
249 | { | |
250 | AliFatal( "pfv = ZERO !!!!!!!"); | |
bab48e74 | 251 | } |
252 | } | |
253 | ||
254 | ||
bab48e74 | 255 | void |
256 | AliCaloRawAnalyzerPeakFinder::LoadVectorsOCDB() | |
257 | { | |
258 | //Loading of Peak-Finder vectors from the | |
259 | //Offline Condition Database (OCDB) | |
bab48e74 | 260 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("EMCAL/Calib/PeakFinder/"); |
11bcc677 | 261 | |
bab48e74 | 262 | if( entry != 0 ) |
11bcc677 | 263 | { |
264 | ||
265 | cout << __FILE__ << ":" << __LINE__ << ": Printing metadata !! " << endl; | |
266 | entry->PrintMetaData(); | |
9f966f11 | 267 | |
268 | cout << __FILE__ << ":" << __LINE__ << ": Finnsihed Printing metadata !! " << endl; | |
11bcc677 | 269 | |
270 | AliCaloPeakFinderVectors *pfv = (AliCaloPeakFinderVectors *)entry->GetObject(); | |
9f966f11 | 271 | cout << __FILE__ << ":" << __LINE__ << ": got pfv !! " << endl; |
272 | ||
11bcc677 | 273 | if( pfv == 0 ) |
bab48e74 | 274 | { |
11bcc677 | 275 | cout << __FILE__ << ":" << __LINE__ << "_ ERRROR " << endl; |
276 | } | |
277 | ||
9f966f11 | 278 | cout << __FILE__ << ":" << __LINE__ << ": TP0 !! " << endl; |
11bcc677 | 279 | CopyVectors( pfv ); |
9f966f11 | 280 | |
281 | cout << __FILE__ << ":" << __LINE__ << ": TP1 !! " << endl; | |
282 | ||
11bcc677 | 283 | if( pfv != 0 ) |
284 | { | |
285 | fIsInitialized = true; | |
168c7b3c | 286 | } |
11bcc677 | 287 | } |
288 | ||
bab48e74 | 289 | } |
290 | ||
291 | ||
d655d7dd | 292 | void |
bab48e74 | 293 | AliCaloRawAnalyzerPeakFinder::LoadVectorsASCII() |
d655d7dd | 294 | { |
bab48e74 | 295 | //Read in the Peak finder vecors from ASCI files |
168c7b3c | 296 | fIsInitialized= true; |
a51e676d | 297 | const Int_t buffersize = 256; |
168c7b3c | 298 | for(int i = 0; i < PF::MAXSTART ; i++) |
a51e676d | 299 | { |
300 | for( int j=0; j < PF::SAMPLERANGE; j++) | |
d655d7dd | 301 | { |
a51e676d | 302 | char filenameCoarse[buffersize]; |
303 | char filename[buffersize]; | |
304 | int n = j+fNsampleCut; | |
305 | double start = (double)i+0; | |
306 | ||
307 | snprintf(filename, buffersize, "%s/EMCAL/vectors-emcal/start%.1fN%dtau0.235fs10dt1.0.txt", getenv("ALICE_ROOT"), start, n); | |
308 | snprintf(filenameCoarse, buffersize, "%s/EMCAL/vectors-emcal/start%.1fN%dtau0.235fs10dt3.0.txt", getenv("ALICE_ROOT"), start, n); | |
309 | ||
310 | FILE *fp = fopen(filename, "r"); | |
311 | FILE *fpc = fopen(filenameCoarse, "r"); | |
312 | ||
313 | if( fp == 0 ) | |
d655d7dd | 314 | { |
315 | AliFatal( Form( "could not open file: %s", filename ) ); | |
316 | } | |
a51e676d | 317 | else if(fpc == 0) |
48a2e3eb | 318 | { |
319 | AliFatal( Form( "could not open file: %s", filenameCoarse ) ); | |
320 | } | |
a51e676d | 321 | else |
d655d7dd | 322 | { |
323 | for(int m = 0; m < n ; m++ ) | |
a51e676d | 324 | { |
2d35e3b8 | 325 | fscanf(fp, "%lf\t", &fPFAmpVectors[i][j][m] ); |
a51e676d | 326 | fscanf(fpc, "%lf\t", &fPFAmpVectorsCoarse[i][j][m] ); |
327 | } | |
48a2e3eb | 328 | fscanf(fp, "\n" ); |
329 | fscanf(fpc, "\n" ); | |
d655d7dd | 330 | for(int m = 0; m < n ; m++ ) |
a51e676d | 331 | { |
332 | fscanf(fp, "%lf\t", &fPFTofVectors[i][j][m] ); | |
333 | fscanf(fpc, "%lf\t", &fPFTofVectorsCoarse[i][j][m] ); | |
334 | } | |
d655d7dd | 335 | |
bab48e74 | 336 | fPeakFinderVectors->SetVector( i, j, fPFAmpVectors[i][j], fPFTofVectors[i][j], |
a51e676d | 337 | fPFAmpVectorsCoarse[i][j], fPFTofVectorsCoarse[i][j] ); |
338 | ||
d655d7dd | 339 | } |
11bcc677 | 340 | |
2d35e3b8 | 341 | if(fp) fclose (fp ); |
342 | if(fpc)fclose (fpc); | |
11bcc677 | 343 | |
d655d7dd | 344 | } |
a51e676d | 345 | } |
d655d7dd | 346 | } |
48a2e3eb | 347 | |
348 | ||
bab48e74 | 349 | void |
350 | AliCaloRawAnalyzerPeakFinder::WriteRootFile() const | |
48a2e3eb | 351 | { |
bab48e74 | 352 | // Utility function to write Peak-Finder vectors to an root file |
353 | // The output is used to create an OCDB entry. | |
bab48e74 | 354 | fPeakFinderVectors->PrintVectors(); |
bab48e74 | 355 | TFile *f = new TFile("peakfindervectors2.root", "recreate" ); |
356 | fPeakFinderVectors->Write(); | |
357 | f->Close(); | |
358 | delete f; | |
48a2e3eb | 359 | } |
168c7b3c | 360 | |
361 | ||
362 | void | |
363 | AliCaloRawAnalyzerPeakFinder::PrintVectors() | |
364 | { | |
365 | for(int i=0; i < 20; i++) | |
366 | { | |
367 | for( int j = 0; j < PF::MAXSTART; j ++ ) | |
368 | { | |
369 | for( int k=0; k < PF::SAMPLERANGE; k++ ) | |
370 | { | |
371 | cout << fPFAmpVectors[j][k][i] << "\t" ; | |
372 | } | |
373 | } | |
374 | cout << endl; | |
375 | } | |
376 | cout << __FILE__ << ":" << __LINE__ << ":.... DONE !!" << endl; | |
377 | } |