1 /**************************************************************************
2 * Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 //
18 // Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch //
19 // Unfolding switch from AliITSRecoParam: D. Elia, INFN Bari //
21 ////////////////////////////////////////////////////////////////////////////
24 #include "AliITSCalibrationSPD.h"
25 #include "AliITSClusterFinderV2SPD.h"
26 #include "AliITSRecPoint.h"
27 #include "AliITSgeomTGeo.h"
28 #include "AliITSDetTypeRec.h"
29 #include "AliITSReconstructor.h"
30 #include "AliRawReader.h"
31 #include "AliITSRawStreamSPD.h"
32 #include <TClonesArray.h>
33 #include "AliITSdigitSPD.h"
34 #include "AliITSFOSignalsSPD.h"
35 #include "AliITSRecPointContainer.h"
37 ClassImp(AliITSClusterFinderV2SPD)
39 //__________________________________________________________________________
40 AliITSClusterFinderV2SPD::AliITSClusterFinderV2SPD(AliITSDetTypeRec* dettyp):AliITSClusterFinder(dettyp),
41 fLastSPD1(AliITSgeomTGeo::GetModuleIndex(2,1,1)-1),
52 fYSPD[0]=0.5*fYpitchSPD;
53 for (Int_t m=1; m<fNySPD; m++) fYSPD[m]=fYSPD[m-1]+fYpitchSPD;
55 for (Int_t m=1; m<fNzSPD; m++) {
56 Double_t dz=fZ1pitchSPD;
57 if (m==31 || m==32 || m==63 || m==64 || m==95 || m==96 ||
58 m==127 || m==128) dz=fZ2pitchSPD;
59 fZSPD[m]=fZSPD[m-1]+dz;
61 for (Int_t m=0; m<fNzSPD; m++) {
62 Double_t dz=0.5*fZ1pitchSPD;
63 if (m==31 || m==32 || m==63 || m==64 || m==95 || m==96 ||
64 m==127 || m==128) dz=0.5*fZ2pitchSPD;
69 //__________________________________________________________________________
70 void AliITSClusterFinderV2SPD::FindRawClusters(Int_t mod){
73 FindClustersSPD(fDigits);
76 //__________________________________________________________________________
77 void AliITSClusterFinderV2SPD::RawdataToClusters(AliRawReader* rawReader){
78 //------------------------------------------------------------
79 // This function creates ITS clusters from raw data
80 //------------------------------------------------------------
82 AliITSRawStreamSPD inputSPD(rawReader);
83 FindClustersSPD(&inputSPD);
86 //__________________________________________________________________________
87 Int_t AliITSClusterFinderV2SPD::ClustersSPD(AliBin* bins, TClonesArray* digits,TClonesArray* clusters,Int_t maxBins,Int_t nzbins,Int_t iModule,Bool_t rawdata){
89 //Cluster finder for SPD (from digits and from rawdata)
91 static AliITSRecoParam *repa = NULL;
93 repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
95 repa = AliITSRecoParam::GetHighFluxParam();
96 AliWarning("Using default AliITSRecoParam class");
99 const TGeoHMatrix *mT2L=AliITSgeomTGeo::GetTracking2LocalMatrix(iModule);
101 if (repa->GetSPDRemoveNoisyFlag()) {
102 // Loop on noisy pixels and reset them
103 AliITSCalibrationSPD *cal =
104 (AliITSCalibrationSPD*) fDetTypeRec->GetCalibrationModel(iModule);
105 for(Int_t ipix = 0; ipix<cal->GetNrBad(); ipix++){
107 cal->GetBadPixel(ipix,row,col);
108 //PH printf(" module %d row %d col %d \n",iModule,row,col);
109 Int_t index = (row+1) * nzbins + (col+1);
112 bins[index].SetMask(0xFFFFFFFE);
116 if (repa->GetSPDRemoveDeadFlag()) {
117 // Loop on dead pixels and reset them
118 AliITSCalibrationSPD *cal =
119 (AliITSCalibrationSPD*) fDetTypeRec->GetSPDDeadModel(iModule);
120 if (cal->IsBad()) return 0; // if all ladder is dead, return to save time
121 for(Int_t ipix = 0; ipix<cal->GetNrBad(); ipix++){
123 cal->GetBadPixel(ipix,row,col);
124 Int_t index = (row+1) * nzbins + (col+1);
126 bins[index].SetMask(0xFFFFFFFE);
131 for(Int_t iBin =0; iBin < maxBins;iBin++){
132 if(bins[iBin].IsUsed()) continue;
135 FindCluster(iBin,nzbins,bins,nBins,idxBins);
137 Error("ClustersSPD","SPD Too big cluster !\n");
141 for(Int_t ilab=0;ilab<10;ilab++){
145 milab[3]=fNdet[iModule];
147 Int_t ymin,ymax,zmin,zmax;
149 ymin = (idxBins[0] / nzbins) - 1;
151 zmin = (idxBins[0] % nzbins) - 1;
155 AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[0]);
156 ymin=dig->GetCoord2();
158 zmin=dig->GetCoord1();
161 //PH if(iModule == 24 || iModule == 25) printf("\n");
162 for (Int_t idx = 0; idx < nBins; idx++) {
166 iy = (idxBins[idx] / nzbins) - 1;
167 iz = (idxBins[idx] % nzbins) - 1;
170 AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[idx]);
171 iy = dig->GetCoord2();
172 iz = dig->GetCoord1();
173 //if(iModule == 24 || iModule == 25) printf(" || iy %d iz %d in Module %d \n",iy,iz,iModule);
175 if (ymin > iy) ymin = iy;
176 if (ymax < iy) ymax = iy;
177 if (zmin > iz) zmin = iz;
178 if (zmax < iz) zmax = iz;
182 for(Int_t l=0;l<nBins;l++){
183 AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[l]);
184 for(Int_t dlab=0;dlab<10;dlab++){
185 Int_t digitlab = (dig->GetTracks())[dlab];
186 if(digitlab<0) continue;
187 AddLabel(milab,digitlab);
189 if (milab[9]>0) CheckLabels2(milab);
194 Int_t idy =0; //max 2 clusters
195 if((iModule <= fLastSPD1) &&idy<3) idy=3;
196 if((iModule > fLastSPD1) &&idy<4) idy=4;
199 // Switch the unfolding OFF/ON
200 if(!repa->GetUseUnfoldingInClusterFinderSPD()) {
205 for(Int_t iiz=zmin; iiz<=zmax;iiz+=idz){
206 for(Int_t iiy=ymin;iiy<=ymax;iiy+=idy){
209 Float_t y=0.,z=0.,q=0.;
210 for(Int_t idx=0;idx<nBins;idx++){
214 iy = (idxBins[idx] / nzbins)-1;
215 iz = (idxBins[idx] % nzbins)-1;
218 AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[idx]);
219 iy = dig->GetCoord2();
220 iz = dig->GetCoord1();
222 if(zmax-zmin>=idz || ymax-ymin>=idy){
223 if(TMath::Abs(iy-iiy)>0.75*idy) continue;
224 if(TMath::Abs(iz-iiz)>0.75*idz) continue;
228 if(rawdata) qBin = bins[idxBins[idx]].GetQ();
230 AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[idx]);
231 qBin = (Float_t)dig->GetSignal();
233 y+= qBin * fYSPD[iy];
234 z+= qBin * fZSPD[iz];
237 if(ndigits==0) continue;
244 Float_t hit[5]; //y,z,sigma(y)^2, sigma(z)^2, charge
246 Double_t loc[3]={y,0.,z},trk[3]={0.,0.,0.};
247 mT2L->MasterToLocal(loc,trk);
251 hit[2] = fYpitchSPD*fYpitchSPD/12.;
252 hit[3] = fZ1pitchSPD*fZ1pitchSPD/12.;
255 if(!rawdata) milab[3]=fNdet[iModule];
256 Int_t info[3] = {ymax-ymin+1,zmax-zmin+1,fNlayer[iModule]};
258 AliITSRecPoint cl(milab,hit,info);
260 fDetTypeRec->AddRecPoint(cl);
263 Int_t label[4]={milab[0],milab[1],milab[2],milab[3]};
264 AliITSRecPoint cl(label, hit,info);
266 new (clusters->AddrAt(nclu))
276 //__________________________________________________________________________
277 void AliITSClusterFinderV2SPD::FindClustersSPD(AliITSRawStreamSPD* input)
279 //------------------------------------------------------------
280 // SPD cluster finder for raw data (this method is called once per event)
281 // Now also fills fast-or fired map
282 //------------------------------------------------------------
284 AliITSRecPointContainer* rpc = AliITSRecPointContainer::Instance();
285 Int_t nClustersSPD = 0;
286 Int_t kNzBins = fNzSPD + 2;
287 Int_t kNyBins = fNySPD + 2;
288 Int_t kMaxBin = kNzBins * kNyBins;
289 AliBin *binsSPD = new AliBin[kMaxBin];
290 AliBin *binsSPDInit = new AliBin[kMaxBin];
293 // read raw data input stream
295 Bool_t next = input->Next();
296 if (!next || input->IsNewModule()) {
297 Int_t iModule = input->GetPrevModuleID();
299 // when all data from a module was read, search for clusters
301 TClonesArray* clusters = rpc->UncheckedGetClusters(iModule);
302 Int_t nClusters = ClustersSPD(bins,0,clusters,kMaxBin,kNzBins,iModule,kTRUE);
303 nClustersSPD += nClusters;
309 memcpy(binsSPD,binsSPDInit,sizeof(AliBin)*kMaxBin);
313 // fill the current digit into the bins array
314 Int_t index = (input->GetCoord2()+1) * kNzBins + (input->GetCoord1()+1);
315 bins[index].SetIndex(index);
317 bins[index].SetMask(1);
321 delete [] binsSPDInit;
324 AliDebug(1,Form("found clusters in ITS SPD: %d", nClustersSPD));
327 // Fill the FastOr fired map
328 for (UInt_t eq=0; eq<20; eq++) {
329 for (UInt_t hs=0; hs<6; hs++) {
330 for (UInt_t chip=0; chip<10; chip++) {
331 if (input->GetFastOrSignal(eq,hs,chip)) {
332 fDetTypeRec->SetFastOrFiredMapOnline(eq,hs,chip);
339 //__________________________________________________________________________
340 void AliITSClusterFinderV2SPD::FindClustersSPD(TClonesArray *digits) {
341 //------------------------------------------------------------
342 // SPD cluster finder for digits (this method is called for each module)
343 // Now also fills the fast-or fired map
344 //------------------------------------------------------------
347 Int_t kNzBins = fNzSPD + 2;
348 const Int_t kMAXBIN=kNzBins*(fNySPD+2);
350 Int_t ndigits=digits->GetEntriesFast();
351 AliBin *bins=new AliBin[kMAXBIN];
354 AliITSdigitSPD *digit=0;
355 for (idig=0; idig<ndigits; idig++) {
356 digit=(AliITSdigitSPD*)digits->UncheckedAt(idig);
357 Int_t i=digit->GetCoord2()+1; //y
358 Int_t j=digit->GetCoord1()+1;
359 Int_t index=i*kNzBins+j;
361 bins[index].SetIndex(idig);
363 bins[index].SetMask(1);
367 Int_t nClustersSPD = ClustersSPD(bins,digits,0,kMAXBIN,kNzBins,fModule,kFALSE);
370 AliDebug(1,Form("found clusters in ITS SPD: %d", nClustersSPD));
372 // Fill the FastOr fired map
373 AliITSFOSignalsSPD* foSignals = fDetTypeRec->GetFOSignals();
375 UInt_t eq = AliITSRawStreamSPD::GetOnlineEqIdFromOffline(fModule);
376 UInt_t hs = AliITSRawStreamSPD::GetOnlineHSFromOffline(fModule);
377 for(UInt_t ch=0; ch<5; ch++) {
378 UInt_t chip = AliITSRawStreamSPD::GetOnlineChipFromOffline(fModule,ch*32);
379 if (foSignals->GetSignal(eq,hs,chip)) {
380 fDetTypeRec->SetFastOrFiredMapOnline(eq,hs,chip);