Changing once more (hopefully we get it correct this time...) the logic to trig the...
[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
8d37cc87 24#include "AliITSCalibrationSPD.h"
04366a57 25#include "AliITSClusterFinderV2SPD.h"
00a7cc50 26#include "AliITSRecPoint.h"
1f3e997f 27#include "AliITSgeomTGeo.h"
7d62fb64 28#include "AliITSDetTypeRec.h"
d6d232ba 29#include "AliITSReconstructor.h"
04366a57 30#include "AliRawReader.h"
31#include "AliITSRawStreamSPD.h"
04366a57 32#include <TClonesArray.h>
04366a57 33#include "AliITSdigitSPD.h"
ad7f2bfa 34#include "AliITSFOSignalsSPD.h"
04366a57 35
36ClassImp(AliITSClusterFinderV2SPD)
37
ad7f2bfa 38//__________________________________________________________________________
5d2c2f86 39AliITSClusterFinderV2SPD::AliITSClusterFinderV2SPD(AliITSDetTypeRec* dettyp):AliITSClusterFinder(dettyp),
1f3e997f 40fLastSPD1(AliITSgeomTGeo::GetModuleIndex(2,1,1)-1),
e56160b8 41fNySPD(256),
42fNzSPD(160),
43fYpitchSPD(0.0050),
44fZ1pitchSPD(0.0425),
45fZ2pitchSPD(0.0625),
46fHwSPD(0.64),
47fHlSPD(3.48){
04366a57 48
49 //Default constructor
04366a57 50
04366a57 51 fYSPD[0]=0.5*fYpitchSPD;
52 for (Int_t m=1; m<fNySPD; m++) fYSPD[m]=fYSPD[m-1]+fYpitchSPD;
53 fZSPD[0]=fZ1pitchSPD;
54 for (Int_t m=1; m<fNzSPD; m++) {
55 Double_t dz=fZ1pitchSPD;
56 if (m==31 || m==32 || m==63 || m==64 || m==95 || m==96 ||
57 m==127 || m==128) dz=fZ2pitchSPD;
58 fZSPD[m]=fZSPD[m-1]+dz;
59 }
60 for (Int_t m=0; m<fNzSPD; m++) {
61 Double_t dz=0.5*fZ1pitchSPD;
62 if (m==31 || m==32 || m==63 || m==64 || m==95 || m==96 ||
63 m==127 || m==128) dz=0.5*fZ2pitchSPD;
64 fZSPD[m]-=dz;
65 }
66
67}
ad7f2bfa 68//__________________________________________________________________________
04366a57 69void AliITSClusterFinderV2SPD::FindRawClusters(Int_t mod){
04366a57 70 //Find clusters V2
71 SetModule(mod);
72 FindClustersSPD(fDigits);
73
74}
ad7f2bfa 75//__________________________________________________________________________
04366a57 76void AliITSClusterFinderV2SPD::RawdataToClusters(AliRawReader* rawReader, TClonesArray** clusters){
ad7f2bfa 77 //------------------------------------------------------------
04366a57 78 // This function creates ITS clusters from raw data
79 //------------------------------------------------------------
80 rawReader->Reset();
81 AliITSRawStreamSPD inputSPD(rawReader);
82 FindClustersSPD(&inputSPD, clusters);
83
84}
ad7f2bfa 85//__________________________________________________________________________
04366a57 86Int_t AliITSClusterFinderV2SPD::ClustersSPD(AliBin* bins, TClonesArray* digits,TClonesArray* clusters,Int_t maxBins,Int_t nzbins,Int_t iModule,Bool_t rawdata){
87
88 //Cluster finder for SPD (from digits and from rawdata)
89
5c47990a 90 static AliITSRecoParam *repa = NULL;
91 if(!repa){
92 repa = (AliITSRecoParam*) AliITSReconstructor::GetRecoParam();
93 if(!repa){
ed446fa3 94 repa = AliITSRecoParam::GetHighFluxParam();
5c47990a 95 AliWarning("Using default AliITSRecoParam class");
96 }
97 }
b4704be3 98 const TGeoHMatrix *mT2L=AliITSgeomTGeo::GetTracking2LocalMatrix(iModule);
8d37cc87 99
ad7f2bfa 100 if (repa->GetSPDRemoveNoisyFlag()) {
101 // Loop on noisy pixels and reset them
102 AliITSCalibrationSPD *cal =
103 (AliITSCalibrationSPD*) fDetTypeRec->GetCalibrationModel(iModule);
104 for(Int_t ipix = 0; ipix<cal->GetNrBad(); ipix++){
105 Int_t row, col;
106 cal->GetBadPixel(ipix,row,col);
190ba77d 107 //PH printf(" module %d row %d col %d \n",iModule,row,col);
ad7f2bfa 108 Int_t index = (row+1) * nzbins + (col+1);
109
110 bins[index].SetQ(0);
111 bins[index].SetMask(0xFFFFFFFE);
112 }
113 }
114
115 if (repa->GetSPDRemoveDeadFlag()) {
116 // Loop on dead pixels and reset them
117 AliITSCalibrationSPD *cal =
118 (AliITSCalibrationSPD*) fDetTypeRec->GetSPDDeadModel(iModule);
119 if (cal->IsBad()) return 0; // if all ladder is dead, return to save time
120 for(Int_t ipix = 0; ipix<cal->GetNrBad(); ipix++){
121 Int_t row, col;
122 cal->GetBadPixel(ipix,row,col);
123 Int_t index = (row+1) * nzbins + (col+1);
124 bins[index].SetQ(0);
125 bins[index].SetMask(0xFFFFFFFE);
126 }
8d37cc87 127 }
ad7f2bfa 128
04366a57 129 Int_t nclu=0;
130 for(Int_t iBin =0; iBin < maxBins;iBin++){
131 if(bins[iBin].IsUsed()) continue;
98a86dff 132 Int_t nBins = 0;
04366a57 133 Int_t idxBins[200];
134 FindCluster(iBin,nzbins,bins,nBins,idxBins);
135 if (nBins == 200){
136 Error("ClustersSPD","SPD Too big cluster !\n");
137 continue;
138 }
139 Int_t milab[10];
140 for(Int_t ilab=0;ilab<10;ilab++){
141 milab[ilab]=-2;
142 }
143 if(rawdata){
144 milab[3]=fNdet[iModule];
145 }
146 Int_t ymin,ymax,zmin,zmax;
147 if(rawdata){
148 ymin = (idxBins[0] / nzbins) - 1;
149 ymax = ymin;
150 zmin = (idxBins[0] % nzbins) - 1;
151 zmax = zmin;
152 }
153 else{
154 AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[0]);
155 ymin=dig->GetCoord2();
156 ymax=ymin;
157 zmin=dig->GetCoord1();
158 zmax=zmin;
159 }
190ba77d 160 //PH if(iModule == 24 || iModule == 25) printf("\n");
04366a57 161 for (Int_t idx = 0; idx < nBins; idx++) {
162 Int_t iy;
163 Int_t iz;
164 if(rawdata){
165 iy = (idxBins[idx] / nzbins) - 1;
166 iz = (idxBins[idx] % nzbins) - 1;
167 }
168 else{
169 AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[idx]);
170 iy = dig->GetCoord2();
171 iz = dig->GetCoord1();
ad7f2bfa 172 //if(iModule == 24 || iModule == 25) printf(" || iy %d iz %d in Module %d \n",iy,iz,iModule);
04366a57 173 }
174 if (ymin > iy) ymin = iy;
175 if (ymax < iy) ymax = iy;
176 if (zmin > iz) zmin = iz;
177 if (zmax < iz) zmax = iz;
178
179 }
180 if(!rawdata){
181 for(Int_t l=0;l<nBins;l++){
182 AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[l]);
183 for(Int_t dlab=0;dlab<10;dlab++){
184 Int_t digitlab = (dig->GetTracks())[dlab];
185 if(digitlab<0) continue;
186 AddLabel(milab,digitlab);
187 }
188 if (milab[9]>0) CheckLabels2(milab);
189 }
190 CheckLabels2(milab);
191 }
192
193 Int_t idy =0; //max 2 clusters
194 if((iModule <= fLastSPD1) &&idy<3) idy=3;
195 if((iModule > fLastSPD1) &&idy<4) idy=4;
196 Int_t idz=3;
d6d232ba 197
198 // Switch the unfolding OFF/ON
5c47990a 199 if(!repa->GetUseUnfoldingInClusterFinderSPD()) {
d6d232ba 200 idy=ymax-ymin+1;
201 idz=zmax-zmin+1;
202 }
98a86dff 203
04366a57 204 for(Int_t iiz=zmin; iiz<=zmax;iiz+=idz){
205 for(Int_t iiy=ymin;iiy<=ymax;iiy+=idy){
206
207 Int_t ndigits=0;
208 Float_t y=0.,z=0.,q=0.;
209 for(Int_t idx=0;idx<nBins;idx++){
210 Int_t iy;
211 Int_t iz;
212 if(rawdata){
213 iy = (idxBins[idx] / nzbins)-1;
214 iz = (idxBins[idx] % nzbins)-1;
215 }
216 else{
217 AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[idx]);
218 iy = dig->GetCoord2();
219 iz = dig->GetCoord1();
220 }
221 if(zmax-zmin>=idz || ymax-ymin>=idy){
222 if(TMath::Abs(iy-iiy)>0.75*idy) continue;
223 if(TMath::Abs(iz-iiz)>0.75*idz) continue;
224 }
225 ndigits++;
5af4a2d0 226 Float_t qBin=0.;
04366a57 227 if(rawdata) qBin = bins[idxBins[idx]].GetQ();
228 if(!rawdata){
229 AliITSdigitSPD* dig = (AliITSdigitSPD*)digits->UncheckedAt(idxBins[idx]);
230 qBin = (Float_t)dig->GetSignal();
231 }
232 y+= qBin * fYSPD[iy];
233 z+= qBin * fZSPD[iz];
234 q+= qBin;
235 }// for idx
236 if(ndigits==0) continue;
98a86dff 237
04366a57 238 y /= q;
239 z /= q;
240 y -= fHwSPD;
241 z -= fHlSPD;
1f3e997f 242
b4704be3 243 Float_t hit[5]; //y,z,sigma(y)^2, sigma(z)^2, charge
244 {
245 Double_t loc[3]={y,0.,z},trk[3]={0.,0.,0.};
246 mT2L->MasterToLocal(loc,trk);
247 hit[0]=trk[1];
248 hit[1]=trk[2];
249 }
04366a57 250 hit[2] = fYpitchSPD*fYpitchSPD/12.;
251 hit[3] = fZ1pitchSPD*fZ1pitchSPD/12.;
00a7cc50 252 hit[4] = 1.;
b4704be3 253
04366a57 254 if(!rawdata) milab[3]=fNdet[iModule];
255 Int_t info[3] = {ymax-ymin+1,zmax-zmin+1,fNlayer[iModule]};
256 if(!rawdata){
75fb37cc 257 AliITSRecPoint cl(milab,hit,info);
98a86dff 258 cl.SetType(nBins);
00a7cc50 259 fDetTypeRec->AddRecPoint(cl);
04366a57 260 }
261 else{
262 Int_t label[4]={milab[0],milab[1],milab[2],milab[3]};
98a86dff 263 AliITSRecPoint cl(label, hit,info);
264 cl.SetType(nBins);
04366a57 265 new (clusters->AddrAt(nclu))
98a86dff 266 AliITSRecPoint(cl);
04366a57 267 }
268 nclu++;
269 }// for iiy
270 }// for iiz
271 }//end for iBin
272 return nclu;
273
274}
ad7f2bfa 275//__________________________________________________________________________
ff44c37c 276void AliITSClusterFinderV2SPD::FindClustersSPD(AliITSRawStreamSPD* input,
04366a57 277 TClonesArray** clusters)
278{
279 //------------------------------------------------------------
ad7f2bfa 280 // SPD cluster finder for raw data (this method is called once per event)
281 // Now also fills fast-or fired map
04366a57 282 //------------------------------------------------------------
ad7f2bfa 283
04366a57 284 Int_t nClustersSPD = 0;
285 Int_t kNzBins = fNzSPD + 2;
286 Int_t kNyBins = fNySPD + 2;
287 Int_t kMaxBin = kNzBins * kNyBins;
d7d9347b 288 AliBin *binsSPD = new AliBin[kMaxBin];
289 AliBin *binsSPDInit = new AliBin[kMaxBin];
04366a57 290 AliBin* bins = NULL;
291
292 // read raw data input stream
293 while (kTRUE) {
294 Bool_t next = input->Next();
295 if (!next || input->IsNewModule()) {
296 Int_t iModule = input->GetPrevModuleID();
297
298 // when all data from a module was read, search for clusters
299 if (bins) {
00a7cc50 300 clusters[iModule] = new TClonesArray("AliITSRecPoint");
04366a57 301 Int_t nClusters = ClustersSPD(bins,0,clusters[iModule],kMaxBin,kNzBins,iModule,kTRUE);
302 nClustersSPD += nClusters;
d7d9347b 303 bins = NULL;
04366a57 304 }
305
306 if (!next) break;
d7d9347b 307 bins = binsSPD;
308 memcpy(binsSPD,binsSPDInit,sizeof(AliBin)*kMaxBin);
04366a57 309 }
310
190ba77d 311 if (next && bins) {
ad7f2bfa 312 // fill the current digit into the bins array
313 Int_t index = (input->GetCoord2()+1) * kNzBins + (input->GetCoord1()+1);
314 bins[index].SetIndex(index);
315 bins[index].SetQ(1);
316 bins[index].SetMask(1);
ff44c37c 317 }
318 }
319
d7d9347b 320 delete [] binsSPDInit;
321 delete [] binsSPD;
322
9ba575f7 323 // AliDebug(1,Form("found clusters in ITS SPD: %d", nClustersSPD));
324 Info("FindClustersSPD", "found clusters in ITS SPD: %d", nClustersSPD);
ad7f2bfa 325
326 // Fill the FastOr fired map
327 for (UInt_t eq=0; eq<20; eq++) {
328 for (UInt_t hs=0; hs<6; hs++) {
329 for (UInt_t chip=0; chip<10; chip++) {
330 if (input->GetFastOrSignal(eq,hs,chip)) {
331 fDetTypeRec->SetFastOrFiredMapOnline(eq,hs,chip);
332 }
333 }
334 }
335 }
336
04366a57 337}
ad7f2bfa 338//__________________________________________________________________________
04366a57 339void AliITSClusterFinderV2SPD::FindClustersSPD(TClonesArray *digits) {
340 //------------------------------------------------------------
ad7f2bfa 341 // SPD cluster finder for digits (this method is called for each module)
342 // Now also fills the fast-or fired map
04366a57 343 //------------------------------------------------------------
344
345
346 Int_t kNzBins = fNzSPD + 2;
347 const Int_t kMAXBIN=kNzBins*(fNySPD+2);
348
349 Int_t ndigits=digits->GetEntriesFast();
350 AliBin *bins=new AliBin[kMAXBIN];
351
ad7f2bfa 352 Int_t idig;
353 AliITSdigitSPD *digit=0;
354 for (idig=0; idig<ndigits; idig++) {
355 digit=(AliITSdigitSPD*)digits->UncheckedAt(idig);
356 Int_t i=digit->GetCoord2()+1; //y
357 Int_t j=digit->GetCoord1()+1;
358 Int_t index=i*kNzBins+j;
359
360 bins[index].SetIndex(idig);
361 bins[index].SetQ(1);
362 bins[index].SetMask(1);
04366a57 363 }
ad7f2bfa 364
04366a57 365
d6d232ba 366 Int_t nClustersSPD = ClustersSPD(bins,digits,0,kMAXBIN,kNzBins,fModule,kFALSE);
04366a57 367 delete [] bins;
d6d232ba 368
813020f4 369 AliDebug(1,Form("found clusters in ITS SPD: %d", nClustersSPD));
ad7f2bfa 370
371 // Fill the FastOr fired map
372 AliITSFOSignalsSPD* foSignals = fDetTypeRec->GetFOSignals();
373 if (foSignals) {
374 UInt_t eq = AliITSRawStreamSPD::GetOnlineEqIdFromOffline(fModule);
375 UInt_t hs = AliITSRawStreamSPD::GetOnlineHSFromOffline(fModule);
376 for(UInt_t ch=0; ch<5; ch++) {
377 UInt_t chip = AliITSRawStreamSPD::GetOnlineChipFromOffline(fModule,ch*32);
378 if (foSignals->GetSignal(eq,hs,chip)) {
379 fDetTypeRec->SetFastOrFiredMapOnline(eq,hs,chip);
380 }
381 }
382 }
383
04366a57 384}