TRD nSigma OADB related new codes and modifications and OADB root file -- Xianguo Lu
[u/mrichter/AliRoot.git] / ITS / AliITSClusterFinderV2SPD.cxx
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04366a57 1/**************************************************************************
2 * Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15////////////////////////////////////////////////////////////////////////////
16// Implementation of the ITS clusterer V2 class //
17// //
18// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch //
d6d232ba 19// Unfolding switch from AliITSRecoParam: D. Elia, INFN Bari //
04366a57 20// //
d6d232ba 21////////////////////////////////////////////////////////////////////////////
04366a57 22
04366a57 23
66b89079 24#include <TGeoGlobalMagField.h>
8d37cc87 25#include "AliITSCalibrationSPD.h"
04366a57 26#include "AliITSClusterFinderV2SPD.h"
00a7cc50 27#include "AliITSRecPoint.h"
1f3e997f 28#include "AliITSgeomTGeo.h"
7d62fb64 29#include "AliITSDetTypeRec.h"
d6d232ba 30#include "AliITSReconstructor.h"
04366a57 31#include "AliRawReader.h"
32#include "AliITSRawStreamSPD.h"
04366a57 33#include <TClonesArray.h>
04366a57 34#include "AliITSdigitSPD.h"
ad7f2bfa 35#include "AliITSFOSignalsSPD.h"
01ef1bd4 36#include "AliITSRecPointContainer.h"
66b89079 37#include "AliMagF.h"
38#include "AliITSsegmentationSPD.h"
04366a57 39
40ClassImp(AliITSClusterFinderV2SPD)
41
ad7f2bfa 42//__________________________________________________________________________
5d2c2f86 43AliITSClusterFinderV2SPD::AliITSClusterFinderV2SPD(AliITSDetTypeRec* dettyp):AliITSClusterFinder(dettyp),
1f3e997f 44fLastSPD1(AliITSgeomTGeo::GetModuleIndex(2,1,1)-1),
e56160b8 45fNySPD(256),
46fNzSPD(160),
47fYpitchSPD(0.0050),
48fZ1pitchSPD(0.0425),
49fZ2pitchSPD(0.0625),
50fHwSPD(0.64),
51fHlSPD(3.48){
04366a57 52
53 //Default constructor
04366a57 54
04366a57 55 fYSPD[0]=0.5*fYpitchSPD;
56 for (Int_t m=1; m<fNySPD; m++) fYSPD[m]=fYSPD[m-1]+fYpitchSPD;
57 fZSPD[0]=fZ1pitchSPD;
58 for (Int_t m=1; m<fNzSPD; m++) {
59 Double_t dz=fZ1pitchSPD;
60 if (m==31 || m==32 || m==63 || m==64 || m==95 || m==96 ||
61 m==127 || m==128) dz=fZ2pitchSPD;
62 fZSPD[m]=fZSPD[m-1]+dz;
63 }
64 for (Int_t m=0; m<fNzSPD; m++) {
65 Double_t dz=0.5*fZ1pitchSPD;
66 if (m==31 || m==32 || m==63 || m==64 || m==95 || m==96 ||
67 m==127 || m==128) dz=0.5*fZ2pitchSPD;
68 fZSPD[m]-=dz;
69 }
70
71}
ad7f2bfa 72//__________________________________________________________________________
04366a57 73void AliITSClusterFinderV2SPD::FindRawClusters(Int_t mod){
04366a57 74 //Find clusters V2
75 SetModule(mod);
76 FindClustersSPD(fDigits);
77
78}
ad7f2bfa 79//__________________________________________________________________________
01ef1bd4 80void AliITSClusterFinderV2SPD::RawdataToClusters(AliRawReader* rawReader){
ad7f2bfa 81 //------------------------------------------------------------
04366a57 82 // This function creates ITS clusters from raw data
83 //------------------------------------------------------------
84 rawReader->Reset();
6c8e94cf 85 fNClusters = 0; //RS
04366a57 86 AliITSRawStreamSPD inputSPD(rawReader);
01ef1bd4 87 FindClustersSPD(&inputSPD);
04366a57 88
89}
ad7f2bfa 90//__________________________________________________________________________
04366a57 91Int_t AliITSClusterFinderV2SPD::ClustersSPD(AliBin* bins, TClonesArray* digits,TClonesArray* clusters,Int_t maxBins,Int_t nzbins,Int_t iModule,Bool_t rawdata){
92
93 //Cluster finder for SPD (from digits and from rawdata)
66b89079 94 const Double_t kmictocm = 1.0e-4; // convert microns to cm.
95 const Double_t defaultField = 5.0; // default Bz value at which Tan(theta_Lorentz) is given in RecoParam
04366a57 96
5c47990a 97 static AliITSRecoParam *repa = NULL;
98 if(!repa){
99 repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
100 if(!repa){
ed446fa3 101 repa = AliITSRecoParam::GetHighFluxParam();
5c47990a 102 AliWarning("Using default AliITSRecoParam class");
103 }
104 }
b4704be3 105 const TGeoHMatrix *mT2L=AliITSgeomTGeo::GetTracking2LocalMatrix(iModule);
8d37cc87 106
66b89079 107 // Lorentz angle correction
108 Double_t tanLorentzAngle=0;
109 AliITSsegmentationSPD *seg = (AliITSsegmentationSPD*)(GetDetTypeRec()->GetSegmentationModel(0));
110 Double_t thick = 0.5*kmictocm*seg->Dy(); // Half Thickness in cm
111 if(repa->GetCorrectLorentzAngleSPD()) { // only if CorrectLorentzAngleSPD required
112 // here retrieve the value of the field
113 AliMagF* field = dynamic_cast<AliMagF*>(TGeoGlobalMagField::Instance()->GetField());
045be90c 114 if (field == 0) {
66b89079 115 AliError("Cannot get magnetic field from TGeoGlobalMagField");
045be90c 116 }
117 else {
118 Float_t magField = field->SolenoidField();
119 tanLorentzAngle=repa->GetTanLorentzAngleHolesSPD() * magField / defaultField ;
120 }
66b89079 121 }
122 //
123
ad7f2bfa 124 if (repa->GetSPDRemoveNoisyFlag()) {
125 // Loop on noisy pixels and reset them
126 AliITSCalibrationSPD *cal =
127 (AliITSCalibrationSPD*) fDetTypeRec->GetCalibrationModel(iModule);
128 for(Int_t ipix = 0; ipix<cal->GetNrBad(); ipix++){
129 Int_t row, col;
130 cal->GetBadPixel(ipix,row,col);
190ba77d 131 //PH printf(" module %d row %d col %d \n",iModule,row,col);
ad7f2bfa 132 Int_t index = (row+1) * nzbins + (col+1);
133
134 bins[index].SetQ(0);
135 bins[index].SetMask(0xFFFFFFFE);
136 }
137 }
138
139 if (repa->GetSPDRemoveDeadFlag()) {
140 // Loop on dead pixels and reset them
141 AliITSCalibrationSPD *cal =
142 (AliITSCalibrationSPD*) fDetTypeRec->GetSPDDeadModel(iModule);
143 if (cal->IsBad()) return 0; // if all ladder is dead, return to save time
144 for(Int_t ipix = 0; ipix<cal->GetNrBad(); ipix++){
145 Int_t row, col;
146 cal->GetBadPixel(ipix,row,col);
147 Int_t index = (row+1) * nzbins + (col+1);
148 bins[index].SetQ(0);
149 bins[index].SetMask(0xFFFFFFFE);
150 }
f405602f 151 AliITSCalibrationSPD *calSparse = (AliITSCalibrationSPD*) fDetTypeRec->GetSPDSparseDeadModel(iModule);
152 for(Int_t ipix = 0; ipix<calSparse->GetNrBad(); ipix++){
153 Int_t row, col;
154 calSparse->GetBadPixel(ipix,row,col);
155 Int_t index = (row+1) * nzbins + (col+1);
156 bins[index].SetQ(0);
157 bins[index].SetMask(0xFFFFFFFE);
158 }
159
8d37cc87 160 }
ad7f2bfa 161
04366a57 162 Int_t nclu=0;
163 for(Int_t iBin =0; iBin < maxBins;iBin++){
164 if(bins[iBin].IsUsed()) continue;
98a86dff 165 Int_t nBins = 0;
04366a57 166 Int_t idxBins[200];
167 FindCluster(iBin,nzbins,bins,nBins,idxBins);
168 if (nBins == 200){
169 Error("ClustersSPD","SPD Too big cluster !\n");
170 continue;
171 }
172 Int_t milab[10];
173 for(Int_t ilab=0;ilab<10;ilab++){
174 milab[ilab]=-2;
175 }
176 if(rawdata){
177 milab[3]=fNdet[iModule];
178 }
179 Int_t ymin,ymax,zmin,zmax;
180 if(rawdata){
181 ymin = (idxBins[0] / nzbins) - 1;
182 ymax = ymin;
183 zmin = (idxBins[0] % nzbins) - 1;
184 zmax = zmin;
185 }
186 else{
187 AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[0]);
188 ymin=dig->GetCoord2();
189 ymax=ymin;
190 zmin=dig->GetCoord1();
191 zmax=zmin;
192 }
190ba77d 193 //PH if(iModule == 24 || iModule == 25) printf("\n");
04366a57 194 for (Int_t idx = 0; idx < nBins; idx++) {
195 Int_t iy;
196 Int_t iz;
197 if(rawdata){
198 iy = (idxBins[idx] / nzbins) - 1;
199 iz = (idxBins[idx] % nzbins) - 1;
200 }
201 else{
202 AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[idx]);
203 iy = dig->GetCoord2();
204 iz = dig->GetCoord1();
ad7f2bfa 205 //if(iModule == 24 || iModule == 25) printf(" || iy %d iz %d in Module %d \n",iy,iz,iModule);
04366a57 206 }
207 if (ymin > iy) ymin = iy;
208 if (ymax < iy) ymax = iy;
209 if (zmin > iz) zmin = iz;
210 if (zmax < iz) zmax = iz;
211
212 }
213 if(!rawdata){
214 for(Int_t l=0;l<nBins;l++){
215 AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[l]);
216 for(Int_t dlab=0;dlab<10;dlab++){
217 Int_t digitlab = (dig->GetTracks())[dlab];
218 if(digitlab<0) continue;
219 AddLabel(milab,digitlab);
220 }
221 if (milab[9]>0) CheckLabels2(milab);
222 }
223 CheckLabels2(milab);
224 }
225
226 Int_t idy =0; //max 2 clusters
227 if((iModule <= fLastSPD1) &&idy<3) idy=3;
228 if((iModule > fLastSPD1) &&idy<4) idy=4;
229 Int_t idz=3;
d6d232ba 230
231 // Switch the unfolding OFF/ON
5c47990a 232 if(!repa->GetUseUnfoldingInClusterFinderSPD()) {
d6d232ba 233 idy=ymax-ymin+1;
234 idz=zmax-zmin+1;
235 }
6c8e94cf 236 //
04366a57 237 for(Int_t iiz=zmin; iiz<=zmax;iiz+=idz){
238 for(Int_t iiy=ymin;iiy<=ymax;iiy+=idy){
239
240 Int_t ndigits=0;
241 Float_t y=0.,z=0.,q=0.;
242 for(Int_t idx=0;idx<nBins;idx++){
243 Int_t iy;
244 Int_t iz;
245 if(rawdata){
246 iy = (idxBins[idx] / nzbins)-1;
247 iz = (idxBins[idx] % nzbins)-1;
248 }
249 else{
250 AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[idx]);
251 iy = dig->GetCoord2();
252 iz = dig->GetCoord1();
253 }
254 if(zmax-zmin>=idz || ymax-ymin>=idy){
255 if(TMath::Abs(iy-iiy)>0.75*idy) continue;
256 if(TMath::Abs(iz-iiz)>0.75*idz) continue;
257 }
258 ndigits++;
5af4a2d0 259 Float_t qBin=0.;
6c8e94cf 260 if(rawdata) {
261 qBin = bins[idxBins[idx]].GetQ();
262 if (fRawID2ClusID) { // RS: Register cluster id in raw words list
263 int rwid = bins[idxBins[idx]].GetRawID();
264 if (fRawID2ClusID->GetSize()<=rwid) fRawID2ClusID->Set( (rwid+10)<<1 );
265 (*fRawID2ClusID)[rwid] = milab[0] = fNClusters+1; // RS: store clID+1 as a reference to the cluster
266 }
267 }
04366a57 268 if(!rawdata){
269 AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[idx]);
270 qBin = (Float_t)dig->GetSignal();
271 }
272 y+= qBin * fYSPD[iy];
273 z+= qBin * fZSPD[iz];
274 q+= qBin;
275 }// for idx
276 if(ndigits==0) continue;
98a86dff 277
04366a57 278 y /= q;
279 z /= q;
280 y -= fHwSPD;
281 z -= fHlSPD;
1f3e997f 282
66b89079 283 // Lorentz drift effect in local y
284 y -= tanLorentzAngle*thick;
285 //
286
40f5092a 287 Float_t hit[6]; //y,z,sigma(y)^2, sigma(z)^2, charge
b4704be3 288 {
289 Double_t loc[3]={y,0.,z},trk[3]={0.,0.,0.};
290 mT2L->MasterToLocal(loc,trk);
291 hit[0]=trk[1];
292 hit[1]=trk[2];
293 }
04366a57 294 hit[2] = fYpitchSPD*fYpitchSPD/12.;
295 hit[3] = fZ1pitchSPD*fZ1pitchSPD/12.;
00a7cc50 296 hit[4] = 1.;
40f5092a 297 hit[5] = 0.;
b4704be3 298
04366a57 299 if(!rawdata) milab[3]=fNdet[iModule];
300 Int_t info[3] = {ymax-ymin+1,zmax-zmin+1,fNlayer[iModule]};
301 if(!rawdata){
75fb37cc 302 AliITSRecPoint cl(milab,hit,info);
98a86dff 303 cl.SetType(nBins);
00a7cc50 304 fDetTypeRec->AddRecPoint(cl);
04366a57 305 }
306 else{
307 Int_t label[4]={milab[0],milab[1],milab[2],milab[3]};
98a86dff 308 AliITSRecPoint cl(label, hit,info);
309 cl.SetType(nBins);
04366a57 310 new (clusters->AddrAt(nclu))
98a86dff 311 AliITSRecPoint(cl);
04366a57 312 }
313 nclu++;
6c8e94cf 314 fNClusters++;
04366a57 315 }// for iiy
316 }// for iiz
317 }//end for iBin
318 return nclu;
319
320}
ad7f2bfa 321//__________________________________________________________________________
01ef1bd4 322void AliITSClusterFinderV2SPD::FindClustersSPD(AliITSRawStreamSPD* input)
04366a57 323{
324 //------------------------------------------------------------
ad7f2bfa 325 // SPD cluster finder for raw data (this method is called once per event)
326 // Now also fills fast-or fired map
04366a57 327 //------------------------------------------------------------
01ef1bd4 328
329 AliITSRecPointContainer* rpc = AliITSRecPointContainer::Instance();
04366a57 330 Int_t nClustersSPD = 0;
331 Int_t kNzBins = fNzSPD + 2;
332 Int_t kNyBins = fNySPD + 2;
333 Int_t kMaxBin = kNzBins * kNyBins;
d7d9347b 334 AliBin *binsSPD = new AliBin[kMaxBin];
335 AliBin *binsSPDInit = new AliBin[kMaxBin];
04366a57 336 AliBin* bins = NULL;
337
338 // read raw data input stream
6c8e94cf 339 int countRW = 0; //RS
340 if (fRawID2ClusID) fRawID2ClusID->Reset(); //RS if array was provided, we shall store the rawID -> ClusterID
341 //
04366a57 342 while (kTRUE) {
343 Bool_t next = input->Next();
344 if (!next || input->IsNewModule()) {
345 Int_t iModule = input->GetPrevModuleID();
346
347 // when all data from a module was read, search for clusters
348 if (bins) {
01ef1bd4 349 TClonesArray* clusters = rpc->UncheckedGetClusters(iModule);
350 Int_t nClusters = ClustersSPD(bins,0,clusters,kMaxBin,kNzBins,iModule,kTRUE);
04366a57 351 nClustersSPD += nClusters;
d7d9347b 352 bins = NULL;
04366a57 353 }
354
355 if (!next) break;
d7d9347b 356 bins = binsSPD;
357 memcpy(binsSPD,binsSPDInit,sizeof(AliBin)*kMaxBin);
04366a57 358 }
359
6c8e94cf 360 if (next && bins) {
ad7f2bfa 361 // fill the current digit into the bins array
362 Int_t index = (input->GetCoord2()+1) * kNzBins + (input->GetCoord1()+1);
363 bins[index].SetIndex(index);
364 bins[index].SetQ(1);
365 bins[index].SetMask(1);
6c8e94cf 366 bins[index].SetRawID(countRW); //RS register raw id
ff44c37c 367 }
6c8e94cf 368 countRW++; //RS
ff44c37c 369 }
370
d7d9347b 371 delete [] binsSPDInit;
372 delete [] binsSPD;
373
3b1d8321 374 AliDebug(1,Form("found clusters in ITS SPD: %d", nClustersSPD));
375
ad7f2bfa 376
377 // Fill the FastOr fired map
378 for (UInt_t eq=0; eq<20; eq++) {
379 for (UInt_t hs=0; hs<6; hs++) {
380 for (UInt_t chip=0; chip<10; chip++) {
381 if (input->GetFastOrSignal(eq,hs,chip)) {
382 fDetTypeRec->SetFastOrFiredMapOnline(eq,hs,chip);
383 }
384 }
385 }
386 }
387
04366a57 388}
ad7f2bfa 389//__________________________________________________________________________
04366a57 390void AliITSClusterFinderV2SPD::FindClustersSPD(TClonesArray *digits) {
391 //------------------------------------------------------------
ad7f2bfa 392 // SPD cluster finder for digits (this method is called for each module)
393 // Now also fills the fast-or fired map
04366a57 394 //------------------------------------------------------------
395
396
397 Int_t kNzBins = fNzSPD + 2;
398 const Int_t kMAXBIN=kNzBins*(fNySPD+2);
399
400 Int_t ndigits=digits->GetEntriesFast();
401 AliBin *bins=new AliBin[kMAXBIN];
402
ad7f2bfa 403 Int_t idig;
404 AliITSdigitSPD *digit=0;
405 for (idig=0; idig<ndigits; idig++) {
406 digit=(AliITSdigitSPD*)digits->UncheckedAt(idig);
407 Int_t i=digit->GetCoord2()+1; //y
408 Int_t j=digit->GetCoord1()+1;
409 Int_t index=i*kNzBins+j;
410
411 bins[index].SetIndex(idig);
412 bins[index].SetQ(1);
413 bins[index].SetMask(1);
04366a57 414 }
ad7f2bfa 415
04366a57 416
d6d232ba 417 Int_t nClustersSPD = ClustersSPD(bins,digits,0,kMAXBIN,kNzBins,fModule,kFALSE);
04366a57 418 delete [] bins;
d6d232ba 419
813020f4 420 AliDebug(1,Form("found clusters in ITS SPD: %d", nClustersSPD));
ad7f2bfa 421
422 // Fill the FastOr fired map
423 AliITSFOSignalsSPD* foSignals = fDetTypeRec->GetFOSignals();
424 if (foSignals) {
425 UInt_t eq = AliITSRawStreamSPD::GetOnlineEqIdFromOffline(fModule);
426 UInt_t hs = AliITSRawStreamSPD::GetOnlineHSFromOffline(fModule);
427 for(UInt_t ch=0; ch<5; ch++) {
428 UInt_t chip = AliITSRawStreamSPD::GetOnlineChipFromOffline(fModule,ch*32);
429 if (foSignals->GetSignal(eq,hs,chip)) {
430 fDetTypeRec->SetFastOrFiredMapOnline(eq,hs,chip);
431 }
432 }
433 }
434
04366a57 435}