1 // $Id: AliHLTCaloClusterAnalyser.cxx 35107 2009-09-30 01:45:06Z phille $
3 /**************************************************************************
4 * This file is property of and copyright by the ALICE HLT Project *
5 * All rights reserved. *
7 * Primary Authors: Oystein Djuvsland *
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 **************************************************************************/
19 * @file AliHLTCaloClusterAnalyser.cxx
20 * @author Oystein Djuvsland
22 * @brief Cluster analyser for Calo HLT
25 // see header file for class documentation
27 // refer to README to build package
29 // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
31 #include "AliHLTCaloClusterAnalyser.h"
32 #include "AliHLTCaloRecPointHeaderStruct.h"
33 #include "AliHLTCaloRecPointDataStruct.h"
34 #include "AliHLTCaloClusterDataStruct.h"
35 //#include "AliHLTCaloPhysicsAnalyzer.h"
36 #include "AliHLTCaloGeometry.h"
37 #include "AliESDCaloCluster.h"
42 #include "AliHLTCaloRecoParamHandler.h"
44 ClassImp(AliHLTCaloClusterAnalyser);
46 AliHLTCaloClusterAnalyser::AliHLTCaloClusterAnalyser() :
52 fCaloClusterDataPtr(0),
53 fCaloClusterHeaderPtr(0),
58 fHaveDistanceToBadChannel(false),
60 fClusterType(AliESDCaloCluster::kPHOSCluster),
62 fCutOnSingleCellClusters(false),
63 fSingleCellEnergyCut(0.5)
65 //See header file for documentation
68 AliHLTCaloClusterAnalyser::~AliHLTCaloClusterAnalyser()
70 // See header file for class documentation
74 AliHLTCaloClusterAnalyser::SetCaloClusterData(AliHLTCaloClusterDataStruct *caloClusterDataPtr)
76 //see header file for documentation
77 fCaloClusterDataPtr = caloClusterDataPtr;
81 AliHLTCaloClusterAnalyser::SetRecPointArray(AliHLTCaloRecPointDataStruct **recPointDataPtr, Int_t nRecPoints)
83 fRecPointArray = recPointDataPtr;
84 fNRecPoints = nRecPoints;
88 AliHLTCaloClusterAnalyser::SetDigitDataArray(AliHLTCaloDigitDataStruct **digits)
90 // AliHLTCaloClusterizer cl("PHOS");
91 // cl.CheckDigits(fRecPointArray, digits, fNRecPoints);
92 fDigitDataArray = digits;
93 //cl.CheckDigits(fRecPointArray, fDigitDataArray, fNRecPoints);
97 AliHLTCaloClusterAnalyser::CalculateCenterOfGravity()
99 //see header file for documentation
106 AliHLTCaloDigitDataStruct *digit = 0;
110 for(Int_t iRecPoint=0; iRecPoint < fNRecPoints; iRecPoint++)
112 AliHLTCaloRecPointDataStruct *recPoint = fRecPointArray[iRecPoint];
113 // digit = &(recPoint->fDigits);
115 Int_t *digitIndexPtr = &(recPoint->fDigits);
120 /* Float_t maxAmp = 0;
123 for(iDigit = 0; iDigit < recPoint->fMultiplicity; iDigit++)
126 digit = fDigitDataArray[*digitIndexPtr];
131 if (recPoint->fAmp > 0 && digit->fEnergy > 0)
133 Float_t w = TMath::Max( 0., fLogWeight + TMath::Log( digit->fEnergy / recPoint->fAmp ) ) ;
137 /* if(digit->fEnergy > maxAmp)
139 maxAmp = digit->fEnergy;
140 maxX = digit->fX;// + 0.5;
141 maxZ = digit->fZ;// + 0.5;
149 recPoint->fX = x/wtot ;
150 recPoint->fZ = z/wtot ;
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);
163 AliHLTCaloClusterAnalyser::CalculateRecPointMoments()
165 //See header file for documentation
170 AliHLTCaloClusterAnalyser::CalculateClusterMoments(AliHLTCaloRecPointDataStruct */*recPointPtr*/, AliHLTCaloClusterDataStruct* /*clusterPtr*/)
172 //See header file for documentation
178 AliHLTCaloClusterAnalyser::DeconvoluteClusters()
180 //See header file for documentation
185 AliHLTCaloClusterAnalyser::CreateClusters(Int_t nRecPoints, UInt_t availableSize, UInt_t& totSize)
187 //See header file for documentation
191 fLogWeight = fRecoParamsPtr->GetLogWeight();
194 fNRecPoints = nRecPoints;
198 HLTError("No geometry object is initialised, creation of clusters stopped");
202 CalculateCenterOfGravity();
204 // AliHLTCaloDigitDataStruct* digitPtr = &(recPointPtr->fDigits);
205 AliHLTCaloDigitDataStruct* digitPtr = 0;
207 AliHLTCaloClusterDataStruct* caloClusterPtr = 0;
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
214 if((availableSize - totSize) < sizeof(AliHLTCaloClusterDataStruct))
216 HLTError("Out of buffer: available size is: %d, total size used: %d", availableSize, totSize);
220 AliHLTCaloRecPointDataStruct *recPointPtr = fRecPointArray[i];
222 if(fCutOnSingleCellClusters && recPointPtr->fAmp > fSingleCellEnergyCut && recPointPtr->fMultiplicity == 1) continue;
224 totSize += sizeof(AliHLTCaloClusterDataStruct);
226 caloClusterPtr = fCaloClusterDataPtr;
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 = -999;
242 caloClusterPtr->fTrackDz = -999;
244 AliHLTCaloGlobalCoordinate globalCoord;
245 fGeometry->GetGlobalCoordinates(*recPointPtr, globalCoord);
247 caloClusterPtr->fModule = recPointPtr->fModule;
248 caloClusterPtr->fGlobalPos[0] = globalCoord.fX;
249 caloClusterPtr->fGlobalPos[1] = globalCoord.fY;
250 caloClusterPtr->fGlobalPos[2] = globalCoord.fZ;
252 HLTError("Cluster local position: x = %f, z = %f, module = %d", recPointPtr->fX, recPointPtr->fZ, recPointPtr->fModule);
253 HLTError("Cluster global position: x = %f, y = %f, z = %f", globalCoord.fX, globalCoord.fY, globalCoord.fZ);
255 //caloClusterPtr->fNCells = 0;//recPointPtr->fMultiplicity;
256 caloClusterPtr->fNCells = recPointPtr->fMultiplicity;
258 caloClusterPtr->fClusterType = fClusterType;
259 // Int_t tmpSize = 0;//totSize + (caloClusterPtr->fNCells-1)*(sizeof(Short_t) + sizeof(Float_t));
261 //TODO remove hardcoded 10;
262 memset(caloClusterPtr->fTracksMatched, 0xff, sizeof(Int_t)*10);
264 //Int_t tmpSize = totSize + (caloClusterPtr->fNCells-1)*(sizeof(Short_t) + sizeof(Float_t));
265 UInt_t tmpSize = (caloClusterPtr->fNCells-1)*sizeof(AliHLTCaloCellDataStruct);
267 if((availableSize - totSize) < tmpSize)
269 HLTError("Out of buffer, available size is: %d, total size used: %d, extra size needed: %d", availableSize, totSize, tmpSize);
273 Int_t *digitIndexPtr = &(recPointPtr->fDigits);
276 AliHLTCaloCellDataStruct *cellPtr = &(caloClusterPtr->fCaloCells);
278 for(UInt_t j = 0; j < caloClusterPtr->fNCells; j++)
280 digitPtr = fDigitDataArray[*digitIndexPtr];
281 fGeometry->GetCellAbsId(recPointPtr->fModule, digitPtr->fX, digitPtr->fZ, id);
283 cellPtr->fCellsAbsId= id;
284 cellPtr->fCellsAmpFraction = digitPtr->fEnergy/recPointPtr->fAmp;
285 //printf("Cell ID pointer: %x\n", cellIDPtr);
286 //printf("Cell Amp Pointer: %x\n", cellAmpFracPtr);
287 //printf("Cell pos: x = %d, z = %d\n", digitPtr->fX, digitPtr->fZ);
288 // printf("Cell ID: %d\n", cellPtr->fCellsAbsId);
289 //printf("Cell Amp: %f, pointer: %x\n", *cellAmpFracPtr, cellAmpFracPtr);
299 caloClusterPtr->fEnergy = fRecoParamsPtr->GetCorrectedEnergy(recPointPtr->fAmp);
303 caloClusterPtr->fEnergy = recPointPtr->fAmp;
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);
310 FitCluster(recPointPtr);
314 caloClusterPtr->fDispersion = 0;
315 caloClusterPtr->fFitQuality = 0;
316 caloClusterPtr->fM20 = 0;
317 caloClusterPtr->fM02 = 0;
322 caloClusterPtr->fEmcCpvDistance = GetCPVDistance(recPointPtr);
326 caloClusterPtr->fEmcCpvDistance = -1;
330 DoParticleIdentification(caloClusterPtr);
334 for(Int_t k = 0; k < AliPID::kSPECIESN; k++)
336 caloClusterPtr->fPID[k] = 0;
339 if(fHaveDistanceToBadChannel)
341 caloClusterPtr->fDistanceToBadChannel = GetDistanceToBadChannel(caloClusterPtr);
345 caloClusterPtr->fDistanceToBadChannel = -1;
348 caloClusterPtr->fClusterType = fClusterType;
349 //totSize += sizeof(AliHLTCaloClusterDataStruct) + (caloClusterPtr->fNCells)*(sizeof(Short_t) +sizeof(Float_t)-1);
350 //totSize += sizeof(AliHLTCaloClusterDataStruct) + (caloClusterPtr->fNCells-1)*(sizeof(Short_t) + sizeof(Float_t));
351 //printf("CaloClusterPtr: %x, energy: %f\n", caloClusterPtr, caloClusterPtr->fEnergy);
353 // caloClusterPtr = reinterpret_cast<AliHLTCaloClusterDataStruct*>(cellAmpFracPtr);
354 //caloClusterPtr = reinterpret_cast<AliHLTCaloClusterDataStruct*>(cellIDPtr);
355 fCaloClusterDataPtr = reinterpret_cast<AliHLTCaloClusterDataStruct*>(cellPtr);
356 recPointPtr = reinterpret_cast<AliHLTCaloRecPointDataStruct*>(digitPtr);
357 //digitPtr = &(recPointPtr->fDigits);