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ea367f6a | 1 | // $Id: AliHLTCaloClusterAnalyser.cxx 35107 2009-09-30 01:45:06Z phille $ |
2 | ||
3 | /************************************************************************** | |
4 | * This file is property of and copyright by the ALICE HLT Project * | |
5 | * All rights reserved. * | |
6 | * * | |
7 | * Primary Authors: Oystein Djuvsland * | |
8 | * * | |
9 | * Permission to use, copy, modify and distribute this software and its * | |
10 | * documentation strictly for non-commercial purposes is hereby granted * | |
11 | * without fee, provided that the above copyright notice appears in all * | |
12 | * copies and that both the copyright notice and this permission notice * | |
13 | * appear in the supporting documentation. The authors make no claims * | |
14 | * about the suitability of this software for any purpose. It is * | |
15 | * provided "as is" without express or implied warranty. * | |
16 | **************************************************************************/ | |
17 | ||
18 | /** | |
19 | * @file AliHLTCaloClusterAnalyser.cxx | |
20 | * @author Oystein Djuvsland | |
21 | * @date | |
22 | * @brief Cluster analyser for Calo HLT | |
23 | */ | |
24 | ||
25 | // see header file for class documentation | |
26 | // or | |
27 | // refer to README to build package | |
28 | // or | |
29 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
30 | ||
31 | #include "AliHLTCaloClusterAnalyser.h" | |
32 | #include "AliHLTCaloRecPointHeaderStruct.h" | |
33 | #include "AliHLTCaloRecPointDataStruct.h" | |
34 | #include "AliHLTCaloClusterDataStruct.h" | |
35 | //#include "AliHLTCaloPhysicsAnalyzer.h" | |
7c80a370 | 36 | #include "AliHLTCaloGeometry.h" |
ea367f6a | 37 | #include "AliESDCaloCluster.h" |
38 | #include "TMath.h" | |
39 | #include "TVector3.h" | |
73d6f579 | 40 | #include "TH1F.h" |
41 | #include "TFile.h" | |
c1e4a18c | 42 | #include "AliHLTCaloRecoParamHandler.h" |
ea367f6a | 43 | |
44 | ClassImp(AliHLTCaloClusterAnalyser); | |
45 | ||
7c80a370 | 46 | AliHLTCaloClusterAnalyser::AliHLTCaloClusterAnalyser() : |
ea367f6a | 47 | // AliHLTCaloBase(), |
7c80a370 | 48 | fLogWeight(4.5), |
49 | fRecPointArray(0), | |
50 | fDigitDataArray(0), | |
ea367f6a | 51 | fNRecPoints(0), |
52 | fCaloClusterDataPtr(0), | |
53 | fCaloClusterHeaderPtr(0), | |
ea367f6a | 54 | //fAnalyzerPtr(0), |
55 | fDoClusterFit(false), | |
56 | fHaveCPVInfo(false), | |
57 | fDoPID(false), | |
7c80a370 | 58 | fHaveDistanceToBadChannel(false), |
73d6f579 | 59 | fGeometry(0), |
c1e4a18c | 60 | fClusterType(AliESDCaloCluster::kPHOSCluster), |
38a3b2ad | 61 | fRecoParamsPtr(0), |
62 | fCutOnSingleCellClusters(false), | |
63 | fSingleCellEnergyCut(0.5) | |
ea367f6a | 64 | { |
65 | //See header file for documentation | |
ea367f6a | 66 | } |
67 | ||
68 | AliHLTCaloClusterAnalyser::~AliHLTCaloClusterAnalyser() | |
69 | { | |
98baf84d | 70 | // See header file for class documentation |
ea367f6a | 71 | } |
72 | ||
73 | void | |
7c80a370 | 74 | AliHLTCaloClusterAnalyser::SetCaloClusterData(AliHLTCaloClusterDataStruct *caloClusterDataPtr) |
ea367f6a | 75 | { |
76 | //see header file for documentation | |
77 | fCaloClusterDataPtr = caloClusterDataPtr; | |
78 | } | |
7c80a370 | 79 | |
ea367f6a | 80 | void |
7c80a370 | 81 | AliHLTCaloClusterAnalyser::SetRecPointArray(AliHLTCaloRecPointDataStruct **recPointDataPtr, Int_t nRecPoints) |
ea367f6a | 82 | { |
7c80a370 | 83 | fRecPointArray = recPointDataPtr; |
84 | fNRecPoints = nRecPoints; | |
85 | } | |
86 | ||
87 | void | |
88 | AliHLTCaloClusterAnalyser::SetDigitDataArray(AliHLTCaloDigitDataStruct *digits) | |
89 | { | |
90 | // AliHLTCaloClusterizer cl("PHOS"); | |
91 | // cl.CheckDigits(fRecPointArray, digits, fNRecPoints); | |
92 | fDigitDataArray = digits; | |
93 | //cl.CheckDigits(fRecPointArray, fDigitDataArray, fNRecPoints); | |
ea367f6a | 94 | } |
95 | ||
96 | Int_t | |
97 | AliHLTCaloClusterAnalyser::CalculateCenterOfGravity() | |
98 | { | |
99 | //see header file for documentation | |
100 | Float_t wtot = 0.; | |
101 | Float_t x = 0.; | |
102 | Float_t z = 0.; | |
103 | Float_t xi = 0.; | |
104 | Float_t zi = 0.; | |
105 | ||
106 | AliHLTCaloDigitDataStruct *digit = 0; | |
ea367f6a | 107 | |
108 | UInt_t iDigit = 0; | |
109 | ||
110 | for(Int_t iRecPoint=0; iRecPoint < fNRecPoints; iRecPoint++) | |
111 | { | |
7c80a370 | 112 | AliHLTCaloRecPointDataStruct *recPoint = fRecPointArray[iRecPoint]; |
ad44d760 | 113 | // digit = &(recPoint->fDigits); |
98baf84d | 114 | |
7c80a370 | 115 | Int_t *digitIndexPtr = &(recPoint->fDigits); |
256f1bf0 | 116 | wtot = 0; |
117 | x = 0; | |
118 | z = 0; | |
119 | ||
c1e4a18c | 120 | /* Float_t maxAmp = 0; |
256f1bf0 | 121 | Int_t maxX = 0; |
c1e4a18c | 122 | Int_t maxZ = 0;*/ |
123 | for(iDigit = 0; iDigit < recPoint->fMultiplicity; iDigit++) | |
ea367f6a | 124 | { |
7c80a370 | 125 | |
126 | digit = &(fDigitDataArray[*digitIndexPtr]); | |
98baf84d | 127 | |
a6db7bcd | 128 | xi = digit->fX+0.5; |
129 | zi = digit->fZ+0.5; | |
98baf84d | 130 | |
ea367f6a | 131 | if (recPoint->fAmp > 0 && digit->fEnergy > 0) |
132 | { | |
133 | Float_t w = TMath::Max( 0., fLogWeight + TMath::Log( digit->fEnergy / recPoint->fAmp ) ) ; | |
134 | x += xi * w ; | |
135 | z += zi * w ; | |
136 | wtot += w ; | |
256f1bf0 | 137 | /* if(digit->fEnergy > maxAmp) |
138 | { | |
139 | maxAmp = digit->fEnergy; | |
c1e4a18c | 140 | maxX = digit->fX;// + 0.5; |
141 | maxZ = digit->fZ;// + 0.5; | |
256f1bf0 | 142 | }*/ |
ea367f6a | 143 | } |
7c80a370 | 144 | digitIndexPtr++; |
ea367f6a | 145 | } |
98baf84d | 146 | |
ea367f6a | 147 | if (wtot>0) |
148 | { | |
149 | recPoint->fX = x/wtot ; | |
150 | recPoint->fZ = z/wtot ; | |
151 | } | |
152 | else | |
153 | { | |
154 | recPoint->fAmp = 0; | |
155 | } | |
256f1bf0 | 156 | // printf("Max digit: E = %f, x = %d, z= %d, cluster: E = %f, x = %f, z = %f\n" , maxAmp, maxX, maxZ, recPoint->fAmp, recPoint->fX, recPoint->fZ); |
ea367f6a | 157 | } |
158 | return 0; | |
159 | } | |
160 | ||
161 | ||
162 | Int_t | |
163 | AliHLTCaloClusterAnalyser::CalculateRecPointMoments() | |
cd9e2797 | 164 | { |
ea367f6a | 165 | //See header file for documentation |
166 | return 0; | |
167 | } | |
168 | ||
169 | Int_t | |
170 | AliHLTCaloClusterAnalyser::CalculateClusterMoments(AliHLTCaloRecPointDataStruct */*recPointPtr*/, AliHLTCaloClusterDataStruct* /*clusterPtr*/) | |
171 | { | |
172 | //See header file for documentation | |
173 | return 0; | |
174 | } | |
175 | ||
176 | ||
177 | Int_t | |
178 | AliHLTCaloClusterAnalyser::DeconvoluteClusters() | |
179 | { | |
180 | //See header file for documentation | |
181 | return 0; | |
182 | } | |
183 | ||
184 | Int_t | |
7c80a370 | 185 | AliHLTCaloClusterAnalyser::CreateClusters(Int_t nRecPoints, UInt_t availableSize, UInt_t& totSize) |
ea367f6a | 186 | { |
187 | //See header file for documentation | |
188 | ||
c1e4a18c | 189 | if(fRecoParamsPtr) |
190 | { | |
191 | fLogWeight = fRecoParamsPtr->GetLogWeight(); | |
192 | } | |
73d6f579 | 193 | |
7c80a370 | 194 | fNRecPoints = nRecPoints; |
195 | ||
196 | if(fGeometry == 0) | |
197 | { | |
198 | HLTError("No geometry object is initialised, creation of clusters stopped"); | |
73cdb797 | 199 | return -1; |
7c80a370 | 200 | } |
201 | ||
202 | CalculateCenterOfGravity(); | |
203 | ||
ad44d760 | 204 | // AliHLTCaloDigitDataStruct* digitPtr = &(recPointPtr->fDigits); |
205 | AliHLTCaloDigitDataStruct* digitPtr = 0; | |
206 | ||
73d6f579 | 207 | AliHLTCaloClusterDataStruct* caloClusterPtr = 0; |
7fdb2519 | 208 | |
209 | // Int_t id = -1; | |
ea367f6a | 210 | TVector3 globalPos; |
211 | ||
212 | for(Int_t i = 0; i < fNRecPoints; i++) //TODO needs fix when we start unfolding (number of clusters not necessarily same as number of recpoints gotten from the clusterizer | |
213 | { | |
73d6f579 | 214 | if((availableSize - totSize) < sizeof(AliHLTCaloClusterDataStruct)) |
215 | { | |
9a0cbaba | 216 | HLTError("Out of buffer: available size is: %d, total size used: %d", availableSize, totSize); |
73d6f579 | 217 | return -ENOBUFS; |
218 | } | |
38a3b2ad | 219 | |
220 | AliHLTCaloRecPointDataStruct *recPointPtr = fRecPointArray[i]; | |
221 | ||
222 | if(fCutOnSingleCellClusters && recPointPtr->fAmp > fSingleCellEnergyCut && recPointPtr->fMultiplicity == 1) continue; | |
223 | ||
7fdb2519 | 224 | totSize += sizeof(AliHLTCaloClusterDataStruct); |
73d6f579 | 225 | |
226 | caloClusterPtr = fCaloClusterDataPtr; | |
34eb3256 | 227 | caloClusterPtr->fChi2 = 0; |
228 | caloClusterPtr->fClusterType = kUndef; | |
229 | caloClusterPtr->fDispersion = 0; | |
230 | caloClusterPtr->fDistanceToBadChannel = 0; | |
231 | caloClusterPtr->fDistToBadChannel = 0; | |
232 | caloClusterPtr->fEmcCpvDistance = 0; | |
233 | caloClusterPtr->fEnergy = 0; | |
234 | caloClusterPtr->fFitQuality = 0; | |
235 | caloClusterPtr->fID = 0; | |
236 | caloClusterPtr->fM02 = 0; | |
237 | caloClusterPtr->fM20 = 0; | |
238 | caloClusterPtr->fNCells = 0; | |
239 | caloClusterPtr->fNExMax = 0; | |
240 | caloClusterPtr->fTOF = 0; | |
241 | caloClusterPtr->fTrackDx = 0; | |
242 | caloClusterPtr->fTrackDz = 0; | |
7c80a370 | 243 | |
244 | AliHLTCaloGlobalCoordinate globalCoord; | |
245 | fGeometry->GetGlobalCoordinates(*recPointPtr, globalCoord); | |
ea367f6a | 246 | |
353c33d3 | 247 | caloClusterPtr->fModule = recPointPtr->fModule; |
a6db7bcd | 248 | caloClusterPtr->fGlobalPos[0] = globalCoord.fX; |
cd9e2797 | 249 | caloClusterPtr->fGlobalPos[1] = globalCoord.fY; |
a6db7bcd | 250 | caloClusterPtr->fGlobalPos[2] = globalCoord.fZ; |
ea367f6a | 251 | |
ee72b4e5 | 252 | HLTDebug("Cluster local position: x = %f, z = %f, module = %d", recPointPtr->fX, recPointPtr->fZ, recPointPtr->fModule); |
253 | HLTDebug("Cluster global position: x = %f, y = %f, z = %f", globalCoord.fX, globalCoord.fY, globalCoord.fZ); | |
254 | ||
7fdb2519 | 255 | //caloClusterPtr->fNCells = 0;//recPointPtr->fMultiplicity; |
256 | caloClusterPtr->fNCells = recPointPtr->fMultiplicity; | |
cd9e2797 | 257 | |
a6db7bcd | 258 | caloClusterPtr->fClusterType = fClusterType; |
7fdb2519 | 259 | // Int_t tmpSize = 0;//totSize + (caloClusterPtr->fNCells-1)*(sizeof(Short_t) + sizeof(Float_t)); |
a6db7bcd | 260 | |
2a24cbbe | 261 | //TODO remove hardcoded 10; |
262 | memset(caloClusterPtr->fTracksMatched, 0xff, sizeof(Int_t)*10); | |
263 | ||
9a0cbaba | 264 | //Int_t tmpSize = totSize + (caloClusterPtr->fNCells-1)*(sizeof(Short_t) + sizeof(Float_t)); |
cefad3b2 | 265 | UInt_t tmpSize = (caloClusterPtr->fNCells-1)*sizeof(AliHLTCaloCellDataStruct); |
cd9e2797 | 266 | |
73d6f579 | 267 | if((availableSize - totSize) < tmpSize) |
268 | { | |
9a0cbaba | 269 | HLTError("Out of buffer, available size is: %d, total size used: %d, extra size needed: %d", availableSize, totSize, tmpSize); |
73d6f579 | 270 | return -ENOBUFS; |
271 | } | |
c1e4a18c | 272 | |
cd9e2797 | 273 | Int_t *digitIndexPtr = &(recPointPtr->fDigits); |
274 | Int_t id = 0; | |
275 | ||
7fdb2519 | 276 | AliHLTCaloCellDataStruct *cellPtr = &(caloClusterPtr->fCaloCells); |
277 | ||
ea367f6a | 278 | for(UInt_t j = 0; j < caloClusterPtr->fNCells; j++) |
279 | { | |
cd9e2797 | 280 | digitPtr = &(fDigitDataArray[*digitIndexPtr]); |
936dbe15 | 281 | fGeometry->GetCellAbsId(recPointPtr->fModule, digitPtr->fX, digitPtr->fZ, id); |
7fdb2519 | 282 | |
283 | cellPtr->fCellsAbsId= id; | |
284 | cellPtr->fCellsAmpFraction = digitPtr->fEnergy/recPointPtr->fAmp; | |
cd9e2797 | 285 | //printf("Cell ID pointer: %x\n", cellIDPtr); |
286 | //printf("Cell Amp Pointer: %x\n", cellAmpFracPtr); | |
9a0cbaba | 287 | //printf("Cell pos: x = %d, z = %d\n", digitPtr->fX, digitPtr->fZ); |
34eb3256 | 288 | // printf("Cell ID: %d\n", cellPtr->fCellsAbsId); |
9a0cbaba | 289 | //printf("Cell Amp: %f, pointer: %x\n", *cellAmpFracPtr, cellAmpFracPtr); |
7fdb2519 | 290 | cellPtr++; |
cd9e2797 | 291 | digitIndexPtr++; |
292 | ||
ea367f6a | 293 | } |
294 | ||
73d6f579 | 295 | totSize += tmpSize; |
296 | ||
c1e4a18c | 297 | if(fRecoParamsPtr) |
298 | { | |
299 | caloClusterPtr->fEnergy = fRecoParamsPtr->GetCorrectedEnergy(recPointPtr->fAmp); | |
300 | } | |
301 | else | |
302 | { | |
303 | caloClusterPtr->fEnergy = recPointPtr->fAmp; | |
304 | } | |
34eb3256 | 305 | |
7fdb2519 | 306 | HLTDebug("Cluster global position: x = %f, y = %f, z = %f, energy: %f, number of cells: %d, cluster pointer: %x", globalCoord.fX, globalCoord.fY, globalCoord.fZ, caloClusterPtr->fEnergy, caloClusterPtr->fNCells, caloClusterPtr); |
307 | ||
ea367f6a | 308 | if(fDoClusterFit) |
309 | { | |
310 | FitCluster(recPointPtr); | |
311 | } | |
312 | else | |
313 | { | |
314 | caloClusterPtr->fDispersion = 0; | |
315 | caloClusterPtr->fFitQuality = 0; | |
316 | caloClusterPtr->fM20 = 0; | |
317 | caloClusterPtr->fM02 = 0; | |
318 | ||
319 | } | |
320 | if(fHaveCPVInfo) | |
321 | { | |
322 | caloClusterPtr->fEmcCpvDistance = GetCPVDistance(recPointPtr); | |
323 | } | |
324 | else | |
325 | { | |
326 | caloClusterPtr->fEmcCpvDistance = -1; | |
327 | } | |
328 | if(fDoPID) | |
329 | { | |
330 | DoParticleIdentification(caloClusterPtr); | |
331 | } | |
332 | else | |
333 | { | |
334 | for(Int_t k = 0; k < AliPID::kSPECIESN; k++) | |
335 | { | |
336 | caloClusterPtr->fPID[k] = 0; | |
337 | } | |
338 | } | |
339 | if(fHaveDistanceToBadChannel) | |
340 | { | |
341 | caloClusterPtr->fDistanceToBadChannel = GetDistanceToBadChannel(caloClusterPtr); | |
342 | } | |
343 | else | |
344 | { | |
345 | caloClusterPtr->fDistanceToBadChannel = -1; | |
346 | } | |
347 | ||
73d6f579 | 348 | caloClusterPtr->fClusterType = fClusterType; |
cd9e2797 | 349 | //totSize += sizeof(AliHLTCaloClusterDataStruct) + (caloClusterPtr->fNCells)*(sizeof(Short_t) +sizeof(Float_t)-1); |
73d6f579 | 350 | //totSize += sizeof(AliHLTCaloClusterDataStruct) + (caloClusterPtr->fNCells-1)*(sizeof(Short_t) + sizeof(Float_t)); |
cd9e2797 | 351 | //printf("CaloClusterPtr: %x, energy: %f\n", caloClusterPtr, caloClusterPtr->fEnergy); |
352 | ||
ea367f6a | 353 | // caloClusterPtr = reinterpret_cast<AliHLTCaloClusterDataStruct*>(cellAmpFracPtr); |
cd9e2797 | 354 | //caloClusterPtr = reinterpret_cast<AliHLTCaloClusterDataStruct*>(cellIDPtr); |
7fdb2519 | 355 | fCaloClusterDataPtr = reinterpret_cast<AliHLTCaloClusterDataStruct*>(cellPtr); |
ea367f6a | 356 | recPointPtr = reinterpret_cast<AliHLTCaloRecPointDataStruct*>(digitPtr); |
73d6f579 | 357 | //digitPtr = &(recPointPtr->fDigits); |
ea367f6a | 358 | } |
98baf84d | 359 | |
360 | return fNRecPoints; | |
ea367f6a | 361 | |
362 | } | |
363 |