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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" | |
7c80a370 | 42 | #include "AliHLTCaloClusterizer.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), |
60 | fClusterType(AliESDCaloCluster::kPHOSCluster) | |
ea367f6a | 61 | { |
62 | //See header file for documentation | |
ea367f6a | 63 | } |
64 | ||
65 | AliHLTCaloClusterAnalyser::~AliHLTCaloClusterAnalyser() | |
66 | { | |
98baf84d | 67 | // See header file for class documentation |
ea367f6a | 68 | } |
69 | ||
70 | void | |
7c80a370 | 71 | AliHLTCaloClusterAnalyser::SetCaloClusterData(AliHLTCaloClusterDataStruct *caloClusterDataPtr) |
ea367f6a | 72 | { |
73 | //see header file for documentation | |
74 | fCaloClusterDataPtr = caloClusterDataPtr; | |
75 | } | |
7c80a370 | 76 | |
ea367f6a | 77 | void |
7c80a370 | 78 | AliHLTCaloClusterAnalyser::SetRecPointArray(AliHLTCaloRecPointDataStruct **recPointDataPtr, Int_t nRecPoints) |
ea367f6a | 79 | { |
7c80a370 | 80 | fRecPointArray = recPointDataPtr; |
81 | fNRecPoints = nRecPoints; | |
82 | } | |
83 | ||
84 | void | |
85 | AliHLTCaloClusterAnalyser::SetDigitDataArray(AliHLTCaloDigitDataStruct *digits) | |
86 | { | |
87 | // AliHLTCaloClusterizer cl("PHOS"); | |
88 | // cl.CheckDigits(fRecPointArray, digits, fNRecPoints); | |
89 | fDigitDataArray = digits; | |
90 | //cl.CheckDigits(fRecPointArray, fDigitDataArray, fNRecPoints); | |
ea367f6a | 91 | } |
92 | ||
93 | Int_t | |
94 | AliHLTCaloClusterAnalyser::CalculateCenterOfGravity() | |
95 | { | |
96 | //see header file for documentation | |
97 | Float_t wtot = 0.; | |
98 | Float_t x = 0.; | |
99 | Float_t z = 0.; | |
100 | Float_t xi = 0.; | |
101 | Float_t zi = 0.; | |
102 | ||
103 | AliHLTCaloDigitDataStruct *digit = 0; | |
ea367f6a | 104 | |
105 | UInt_t iDigit = 0; | |
106 | ||
107 | for(Int_t iRecPoint=0; iRecPoint < fNRecPoints; iRecPoint++) | |
108 | { | |
7c80a370 | 109 | AliHLTCaloRecPointDataStruct *recPoint = fRecPointArray[iRecPoint]; |
ad44d760 | 110 | // digit = &(recPoint->fDigits); |
98baf84d | 111 | |
7c80a370 | 112 | Int_t *digitIndexPtr = &(recPoint->fDigits); |
113 | ||
ea367f6a | 114 | for(iDigit = 0; iDigit < recPoint->fMultiplicity; iDigit++) |
115 | { | |
7c80a370 | 116 | |
117 | digit = &(fDigitDataArray[*digitIndexPtr]); | |
98baf84d | 118 | |
a6db7bcd | 119 | xi = digit->fX+0.5; |
120 | zi = digit->fZ+0.5; | |
98baf84d | 121 | |
ea367f6a | 122 | if (recPoint->fAmp > 0 && digit->fEnergy > 0) |
123 | { | |
124 | Float_t w = TMath::Max( 0., fLogWeight + TMath::Log( digit->fEnergy / recPoint->fAmp ) ) ; | |
125 | x += xi * w ; | |
126 | z += zi * w ; | |
127 | wtot += w ; | |
128 | } | |
7c80a370 | 129 | digitIndexPtr++; |
ea367f6a | 130 | } |
98baf84d | 131 | |
ea367f6a | 132 | if (wtot>0) |
133 | { | |
134 | recPoint->fX = x/wtot ; | |
135 | recPoint->fZ = z/wtot ; | |
136 | } | |
137 | else | |
138 | { | |
139 | recPoint->fAmp = 0; | |
140 | } | |
ea367f6a | 141 | } |
142 | return 0; | |
143 | } | |
144 | ||
145 | ||
146 | Int_t | |
147 | AliHLTCaloClusterAnalyser::CalculateRecPointMoments() | |
cd9e2797 | 148 | { |
ea367f6a | 149 | //See header file for documentation |
150 | return 0; | |
151 | } | |
152 | ||
153 | Int_t | |
154 | AliHLTCaloClusterAnalyser::CalculateClusterMoments(AliHLTCaloRecPointDataStruct */*recPointPtr*/, AliHLTCaloClusterDataStruct* /*clusterPtr*/) | |
155 | { | |
156 | //See header file for documentation | |
157 | return 0; | |
158 | } | |
159 | ||
160 | ||
161 | Int_t | |
162 | AliHLTCaloClusterAnalyser::DeconvoluteClusters() | |
163 | { | |
164 | //See header file for documentation | |
165 | return 0; | |
166 | } | |
167 | ||
168 | Int_t | |
7c80a370 | 169 | AliHLTCaloClusterAnalyser::CreateClusters(Int_t nRecPoints, UInt_t availableSize, UInt_t& totSize) |
ea367f6a | 170 | { |
171 | //See header file for documentation | |
172 | ||
73d6f579 | 173 | |
b4479a87 | 174 | totSize += sizeof(AliHLTCaloClusterDataStruct); |
7c80a370 | 175 | fNRecPoints = nRecPoints; |
176 | ||
177 | if(fGeometry == 0) | |
178 | { | |
179 | HLTError("No geometry object is initialised, creation of clusters stopped"); | |
180 | } | |
181 | ||
182 | CalculateCenterOfGravity(); | |
183 | ||
ad44d760 | 184 | // AliHLTCaloDigitDataStruct* digitPtr = &(recPointPtr->fDigits); |
185 | AliHLTCaloDigitDataStruct* digitPtr = 0; | |
186 | ||
73d6f579 | 187 | AliHLTCaloClusterDataStruct* caloClusterPtr = 0; |
188 | UShort_t* cellIDPtr = 0; | |
189 | Float_t* cellAmpFracPtr = 0;; | |
ea367f6a | 190 | |
98baf84d | 191 | // Int_t id = -1; |
ea367f6a | 192 | TVector3 globalPos; |
193 | ||
194 | 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 | |
195 | { | |
73d6f579 | 196 | if((availableSize - totSize) < sizeof(AliHLTCaloClusterDataStruct)) |
197 | { | |
9a0cbaba | 198 | HLTError("Out of buffer: available size is: %d, total size used: %d", availableSize, totSize); |
73d6f579 | 199 | return -ENOBUFS; |
200 | } | |
201 | ||
202 | caloClusterPtr = fCaloClusterDataPtr; | |
203 | ||
204 | cellIDPtr = &(caloClusterPtr->fCellsAbsId); | |
205 | cellAmpFracPtr = &(caloClusterPtr->fCellsAmpFraction); | |
206 | ||
7c80a370 | 207 | AliHLTCaloRecPointDataStruct *recPointPtr = fRecPointArray[i]; |
7c80a370 | 208 | |
209 | AliHLTCaloGlobalCoordinate globalCoord; | |
210 | fGeometry->GetGlobalCoordinates(*recPointPtr, globalCoord); | |
ea367f6a | 211 | |
a6db7bcd | 212 | caloClusterPtr->fGlobalPos[0] = globalCoord.fX; |
cd9e2797 | 213 | caloClusterPtr->fGlobalPos[1] = globalCoord.fY; |
a6db7bcd | 214 | caloClusterPtr->fGlobalPos[2] = globalCoord.fZ; |
ea367f6a | 215 | |
ee72b4e5 | 216 | HLTDebug("Cluster local position: x = %f, z = %f, module = %d", recPointPtr->fX, recPointPtr->fZ, recPointPtr->fModule); |
217 | HLTDebug("Cluster global position: x = %f, y = %f, z = %f", globalCoord.fX, globalCoord.fY, globalCoord.fZ); | |
218 | ||
9a0cbaba | 219 | caloClusterPtr->fNCells = 0;//recPointPtr->fMultiplicity; |
220 | //caloClusterPtr->fNCells = recPointPtr->fMultiplicity; | |
cd9e2797 | 221 | |
a6db7bcd | 222 | caloClusterPtr->fClusterType = fClusterType; |
9a0cbaba | 223 | Int_t tmpSize = 0;//totSize + (caloClusterPtr->fNCells-1)*(sizeof(Short_t) + sizeof(Float_t)); |
a6db7bcd | 224 | |
2a24cbbe | 225 | //TODO remove hardcoded 10; |
226 | memset(caloClusterPtr->fTracksMatched, 0xff, sizeof(Int_t)*10); | |
227 | ||
9a0cbaba | 228 | //Int_t tmpSize = totSize + (caloClusterPtr->fNCells-1)*(sizeof(Short_t) + sizeof(Float_t)); |
229 | // Int_t tmpSize = (caloClusterPtr->fNCells-1)*(sizeof(Short_t) + sizeof(Float_t)); | |
cd9e2797 | 230 | |
73d6f579 | 231 | if((availableSize - totSize) < tmpSize) |
232 | { | |
9a0cbaba | 233 | HLTError("Out of buffer, available size is: %d, total size used: %d, extra size needed: %d", availableSize, totSize, tmpSize); |
73d6f579 | 234 | return -ENOBUFS; |
235 | } | |
cd9e2797 | 236 | Int_t *digitIndexPtr = &(recPointPtr->fDigits); |
237 | Int_t id = 0; | |
238 | ||
ea367f6a | 239 | for(UInt_t j = 0; j < caloClusterPtr->fNCells; j++) |
240 | { | |
cd9e2797 | 241 | digitPtr = &(fDigitDataArray[*digitIndexPtr]); |
242 | id++; | |
936dbe15 | 243 | fGeometry->GetCellAbsId(recPointPtr->fModule, digitPtr->fX, digitPtr->fZ, id); |
cd9e2797 | 244 | *cellIDPtr = id; |
245 | *cellAmpFracPtr = digitPtr->fEnergy/recPointPtr->fAmp; | |
246 | //printf("Cell ID pointer: %x\n", cellIDPtr); | |
247 | //printf("Cell Amp Pointer: %x\n", cellAmpFracPtr); | |
9a0cbaba | 248 | //printf("Cell pos: x = %d, z = %d\n", digitPtr->fX, digitPtr->fZ); |
249 | //printf("Cell ID: %d, pointer: %x\n", *cellIDPtr, cellIDPtr); | |
250 | //printf("Cell Amp: %f, pointer: %x\n", *cellAmpFracPtr, cellAmpFracPtr); | |
251 | digitPtr++; | |
252 | cellIDPtr = reinterpret_cast<UShort_t*>(reinterpret_cast<char*>(cellAmpFracPtr) + sizeof(Float_t)); | |
253 | // cellIDPtr = reinterpret_cast<UShort_t*>(reinterpret_cast<char*>(cellIDPtr) + sizeof(Float_t) + sizeof(Short_t)); | |
254 | //cellAmpFracPtr = reinterpret_cast<Float_t*>(reinterpret_cast<char*>(cellAmpFracPtr) + sizeof(Short_t) + sizeof(Float_t)); | |
255 | cellAmpFracPtr = reinterpret_cast<Float_t*>(reinterpret_cast<char*>(cellIDPtr) + sizeof(Short_t)); | |
cd9e2797 | 256 | |
257 | digitIndexPtr++; | |
258 | ||
ea367f6a | 259 | } |
260 | ||
73d6f579 | 261 | totSize += tmpSize; |
262 | ||
ea367f6a | 263 | caloClusterPtr->fEnergy = recPointPtr->fAmp; |
73d6f579 | 264 | |
ea367f6a | 265 | if(fDoClusterFit) |
266 | { | |
267 | FitCluster(recPointPtr); | |
268 | } | |
269 | else | |
270 | { | |
271 | caloClusterPtr->fDispersion = 0; | |
272 | caloClusterPtr->fFitQuality = 0; | |
273 | caloClusterPtr->fM20 = 0; | |
274 | caloClusterPtr->fM02 = 0; | |
275 | ||
276 | } | |
277 | if(fHaveCPVInfo) | |
278 | { | |
279 | caloClusterPtr->fEmcCpvDistance = GetCPVDistance(recPointPtr); | |
280 | } | |
281 | else | |
282 | { | |
283 | caloClusterPtr->fEmcCpvDistance = -1; | |
284 | } | |
285 | if(fDoPID) | |
286 | { | |
287 | DoParticleIdentification(caloClusterPtr); | |
288 | } | |
289 | else | |
290 | { | |
291 | for(Int_t k = 0; k < AliPID::kSPECIESN; k++) | |
292 | { | |
293 | caloClusterPtr->fPID[k] = 0; | |
294 | } | |
295 | } | |
296 | if(fHaveDistanceToBadChannel) | |
297 | { | |
298 | caloClusterPtr->fDistanceToBadChannel = GetDistanceToBadChannel(caloClusterPtr); | |
299 | } | |
300 | else | |
301 | { | |
302 | caloClusterPtr->fDistanceToBadChannel = -1; | |
303 | } | |
304 | ||
73d6f579 | 305 | caloClusterPtr->fClusterType = fClusterType; |
cd9e2797 | 306 | //totSize += sizeof(AliHLTCaloClusterDataStruct) + (caloClusterPtr->fNCells)*(sizeof(Short_t) +sizeof(Float_t)-1); |
73d6f579 | 307 | //totSize += sizeof(AliHLTCaloClusterDataStruct) + (caloClusterPtr->fNCells-1)*(sizeof(Short_t) + sizeof(Float_t)); |
cd9e2797 | 308 | //printf("CaloClusterPtr: %x, energy: %f\n", caloClusterPtr, caloClusterPtr->fEnergy); |
309 | ||
ea367f6a | 310 | // caloClusterPtr = reinterpret_cast<AliHLTCaloClusterDataStruct*>(cellAmpFracPtr); |
cd9e2797 | 311 | //caloClusterPtr = reinterpret_cast<AliHLTCaloClusterDataStruct*>(cellIDPtr); |
312 | fCaloClusterDataPtr = reinterpret_cast<AliHLTCaloClusterDataStruct*>(cellIDPtr); | |
ea367f6a | 313 | recPointPtr = reinterpret_cast<AliHLTCaloRecPointDataStruct*>(digitPtr); |
73d6f579 | 314 | //digitPtr = &(recPointPtr->fDigits); |
ea367f6a | 315 | } |
98baf84d | 316 | |
317 | return fNRecPoints; | |
ea367f6a | 318 | |
319 | } | |
320 |