ITS/ITSsddanalysis.C

   1 void ITSsddanalysis (Int_t evNumber1=0,Int_t evNumber2=0)
   2 {
   3 /////////////////////////////////////////////////////////////////////////
   4 //   This macro is a small example of a ROOT macro
   5 //   illustrating how to read the output of GALICE
   6 //   and fill some histograms.
   7 //
   8 //     Root > .L anal.C   //this loads the macro in memory
   9 //     Root > anal();     //by default process first event
  10 //     Root > anal(2);    //process third event
  11 //Begin_Html
  12 /*
  13 <img src="gif/anal.gif">
  14 */
  15 //End_Html
  16 /////////////////////////////////////////////////////////////////////////
  17
  18 // Dynamically link some shared libs
  19
  20   if (gClassTable->GetID("AliRun") < 0) {
  21     gROOT->LoadMacro("loadlibs.C");
  22     loadlibs();
  23   }
  24
  25   // Connect the Root Galice file containing Geometry, Kine and Hits
  26   TString *str = new TString("galice.root");
  27   TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject(str->Data());
  28   if (!file) file = new TFile(str->Data(),"UPDATE");
  29
  30   // Get AliRun object from file or create it if not on file
  31   //   if (!gAlice) {
  32   gAlice = (AliRun*)file->Get("gAlice");
  33   if (gAlice) printf("AliRun object found on file\n");
  34   if (!gAlice) gAlice = new AliRun("gAlice","Alice test program");
  35   //}
  36
  37   TH2F *local = new TH2F("local","time vs anode difference",101,-1.01,1.01,210,-210.,210.);
  38   TH2F *local1 = new TH2F("local1","time vs anode difference",101,-5.01,5.01,210,-2100.,2100.);
  39   TH2F *dtah = new TH2F("dtah","anode difference vs drift time (hits)",210,-21000.,21000.,101,-10000.01,10000.01);
  40   TH2F *dtap = new TH2F("dtap","anode difference vs drift time (points)",21000,-21000.,210.,101,-10000.01,10000.01);
  41   TH1F *dclutim = new TH1F("dclutim","cluster time difference (dan < 1)",200,-2000.,2000.);
  42   TH1F *dfkctim = new TH1F("dfkctim","cluster time difference (dan > 5)",200,-2000.,2000.);
  43   TH2F *xy3 = new TH2F("xy3","y vs x",100,-200.02,200.02,100,-200.02,200.02);
  44   TH2F *xz3 = new TH2F("xz3","x vs z",100,-200.02,200.02,100,-200.02,200.02);
  45   TH2F *yz3 = new TH2F("yz3","y vs z",100,-200.02,200.02,100,-200.02,200.02);
  46   TH2F *xy4 = new TH2F("xy4","y vs x",100,-200.02,200.02,100,-200.02,200.02);
  47   TH2F *xz4 = new TH2F("xz4","x vs z",100,-200.02,200.02,100,-200.02,200.02);
  48   TH2F *yz4 = new TH2F("yz4","y vs z",100,-200.02,200.02,100,-200.02,200.02);
  49   TH1F *chd = new TH1F("chargediff","Charge difference (Gen-Rec)",100,-1000.,1000.);
  50   TH1F *chr = new TH1F("chargeratio","Charge ratio (Gen/Rec)",100,0.,0.1);
  51   TH2F *chp = new TH2F("chp","Point Charge vs time",28,0.,7000.,300,0.,3000.);
  52   TH2F *chh = new TH2F("chh","Hit Charge vs time",28,0.,7000.,80,0.,40.);
  53   TH2F *dadth = new TH2F("dadth","danode vs dtime (hits)",560,-14000.,14000.,601,-300.5,300.5);
  54   TH2F *dadt = new TH2F("dadt","danode vs dtime (points)",280,-7000.,7000.,601,-300.5,300.5);
  55   TH2F *aa = new TH2F("aa","anode hit vs point",204,-0.5,50.5.,204,-.5,50.5);
  56   TH2F *at = new TH2F("at","anode difference vs drift path (mm)",18,0.,36.,100,-200.,200.);
  57   TH2F *tt = new TH2F("tt","time coord. difference (um) vs drift path (mm)",18,0.,36.,100,-200.,200.);
  58   TH2F *at1 = new TH2F("at1","(1a) anode difference vs drift path (mm)",18,0.,36.,100,-200.,200.);
  59   TH2F *tt1 = new TH2F("tt1","(1a) time coord. difference (um) vs drift path (mm)",18,0.,36.,100,-200.,200.);
  60   TH2F *at2 = new TH2F("at2","(2a) anode difference vs drift path (mm)",18,0.,36.,100,-200.,200.);
  61   TH2F *tt2 = new TH2F("tt2","(2a) time coord. difference (um) vs drift path (mm)",18,0.,36.,100,-200.,200.);
  62   TH2F *asigma = new TH2F("asigma","anode sigma vs drift path (mm)",18,0.,36.,300,0.,300.);
  63   TH2F *tsigma = new TH2F("tsigma","tau. vs drift path (mm)",18,0.,36.,200,0.,100.);
  64   TH2F *asigma2 = new TH2F("asigma2","2 anode sigma vs drift path (mm)",18,0.,36.,150,0.,300.);
  65
  66   TH1F *dtrp = new TH1F("dtrp","Double track separation (microns)",40,0.,2000.);
  67   TH1F *dtrpall = new TH1F("dtrpall","Double track separation (mm)",100,0.,100.);
  68   TH1F *dtrh = new TH1F("dtrh","Double track separation (microns)",40,0.,2000.);
  69   TH1F *dtrhall = new TH1F("dtrhall","Double track separation (mm)",100,0.,100.);
  70
  71   TH1F *p = new TH1F("p","Momentum ",100,0.,20.);
  72
  73   TH1F *effh = new TH1F("effh","Hit Multiplicity vs drift path (mm)",18,0.,36.);
  74   TH1F *effp = new TH1F("effp","Point Multiplicity vs drift path (mm)",18,0.,36.);
  75
  76   TH2F *anodes = new TH2F("nanodes","Anode Multiplicity vs drift time",28,0.,7000.,5,0.5,5.5);
  77   TH2F *andtsm = new TH2F("nand_ntsm","Anode Mult vs Time Mult",15,0.5,15.5,5,0.5,5.5);
  78   TH2F *tsampl = new TH2F("nsampls","Sample Multiplicity vs drift time",28,0.,7000.,15,0.5,15.5);
  79   TH2F *ntotal = new TH2F("ntotal","Cluster Multiplicity vs drift time",28,0.,7000.,60,0.5,60.5);
  80   TH2F *clmult = new TH2F("clmult","Anode Multiplicity vs Total Multiplicity",50,0.5,50.5,5,0.5,5.5);
  81   TH2F *amplit1 = new TH2F("amplit1","Point Amplitude vs drift path (mm)",28,0.,7000.,64,0.5,1024.5);
  82   TH2F *amplit = new TH2F("amplit","Point Amplitude vs drift path (mm)",28,0.,7000.,60,0.5,600.5);
  83   TH1F *hitpnt = new TH1F("hitpnt","Hit-Point Multiplicity",21,-10.5,10.5);
  84
  85   TH1F *nmatch = new TH1F("nmatch","Number of matched points",5,-0.5.,4.5);
  86   TH1F *rec_vs_time = new TH1F("rec_vs_time","Point Rec. vs drift path",36,0.,36.);
  87   TH1F *hit_vs_time = new TH1F("hit_vs_time","Hit vs drift path",36,0.,36.);
  88   TH1F *rec_vs_time3 = new TH1F("rec_vs_time3","Point Rec. vs drift path",36,0.,36.);
  89   TH1F *hit_vs_time3 = new TH1F("hit_vs_time3","Hit vs drift path",36,0.,36.);
  90   TH1F *rec_vs_time4 = new TH1F("rec_vs_time4","Point Rec. vs drift path",36,0.,36.);
  91   TH1F *hit_vs_time4 = new TH1F("hit_vs_time4","Hit vs drift path",36,0.,36.);
  92   TH1F *rec_vs_time1 = new TH1F("rec_vs_time1","Point Rec. vs drift path",36,0.,36.);
  93   TH1F *hit_vs_time1 = new TH1F("hit_vs_time1","Hit vs drift path",36,0.,36.);
  94   TH1F *fake_vs_time = new TH1F("fake_vs_time","fake points vs drift path",36,0.,36.);
  95
  96   TH1F *noihist = new TH1F("noisehist","noise",80,10.,30.);
  97
  98   TH1F *occupancy3 = new TH1F("occupancy3","Occupancy vs Detector Number, Layer 3",20,0.5,20.5);
  99   TH1F *occupancy4 = new TH1F("occupancy4","Occupancy vs Detector Number, Layer 4",20,0.5,20.5);
 100
 101   TH2F *pntmap3 = new TH2F("pntmap3","Point map Layer 3",20,0.5,20.5,10,0.5,10.5);
 102   TH2F *hitmap3 = new TH2F("hitmap3","Hit map Layer 3",20,0.5,20.5,10,0.5,10.5);
 103   TH2F *map3 = new TH2F("map3","Hit/Point map Layer 3",20,0.5,20.5,10,0.5,10.5);
 104   TH2F *pntmap4 = new TH2F("pntmap4","Point map Layer 4",30,0.5,30.5,10,0.5,10.5);
 105   TH2F *hitmap4 = new TH2F("hitmap4","Hit map Layer 4",30,0.5,30.5,10,0.5,10.5);
 106   TH2F *map4 = new TH2F("map4","Hit/Point map Layer 4",30,0.5,30.5,10,0.5,10.5);
 107   TH2F *xz = new TH2F("xz","X vs Z",50,-5,5.,50,-5.,5.);
 108   TH2F *and_tim = new TH2F("and_tim","Tim vs Anode",30,-100,356.,30,-8000.,8000.);
 109   TH2F *pand_ptim = new TH2F("pand_ptim","Tim vs Anode",30,-100,356.,30,-8000.,8000.);
 110
 111   //Int_t nanodes = 256;
 112   //TH2F *mappa3hit[14][6][2];
 113   //TH2F *mappa4hit[22][8][2];
 114   //TH2F *mappa3pnt[14][6][2];
 115   //TH2F *mappa4pnt[22][8][2];
 116   /*
 117     for(Int_t i=0;i<22;i++) {
 118     for(Int_t j=0;j<8;j++) {
 119     for(Int_t k=0;k<2;k++) {
 120     TString *hname = new TString("hitmap_");
 121     TString *cname = new TString("pntmap_");
 122     Char_t lad[2];
 123     sprintf(lad,"%d",i+1);
 124     hname->Append(lad);
 125     hname->Append("_");
 126     cname->Append(lad);
 127     cname->Append("_");
 128     Char_t det[2];
 129     sprintf(det,"%d",j+1);
 130     hname->Append(det);
 131     hname->Append("_");
 132     cname->Append(det);
 133     cname->Append("_");
 134     Char_t wng[2];
 135     sprintf(wng,"%d",k+1);
 136     hname->Append(wng);
 137     cname->Append(wng);
 138     //mappa4hit[i][j][k] = new TH2F(hname->Data(),hname->Data(),nanodes,0.5,nanodes+0.5,256,0.5,256.5);
 139     //mappa4pnt[i][j][k] = new TH2F(cname->Data(),cname->Data(),nanodes,0.5,nanodes+0.5,256,0.5,256.5);
 140     if(i<14 && j<6) {
 141     mappa3hit[i][j][k] = new TH2F(hname->Data(),hname->Data(),nanodes,0.5,nanodes+0.5,256,0.5,256.5);
 142     mappa3pnt[i][j][k] = new TH2F(cname->Data(),cname->Data(),nanodes,0.5,nanodes+0.5,256,0.5,256.5);
 143     }
 144     }
 145     }
 146     }
 147   */
 148
 149   AliITS *ITS  = (AliITS*) gAlice->GetModule("ITS");
 150   if (!ITS) { cout << "no ITS" << endl; return; }
 151
 152   Int_t nparticles = gAlice->GetEvent(0);
 153
 154   Int_t cp[8]={0,0,0,0,0,0,0,0};
 155
 156   AliITSDetType *iDetType=ITS->DetType(1);
 157
 158   AliITSresponseSDD *res1 = (AliITSresponseSDD*)iDetType->GetResponseModel();
 159   if (!res1) {
 160     res1=new AliITSresponseSDD();
 161     ITS->SetResponseModel(1,res1);
 162   }
 163   res1->SetZeroSupp("2D");  // 1D
 164   res1->SetParamOptions("same","same");
 165   //res1->SetFilenames(" ","$(ALICE_ROOT)/ITS/base.dat","$(ALICE_ROOT)/ITS/2D.dat ");
 166   res1->SetCompressParam(cp);
 167   res1->SetDriftSpeed(7.3);
 168   Float_t vdrift = res1->DriftSpeed();
 169
 170   AliITSsegmentationSDD *seg1=(AliITSsegmentationSDD*)iDetType->GetSegmentationModel();
 171   AliITSgeom *aliitsgeo = ITS->GetITSgeom();
 172
 173   Int_t cp[8]={0,0,0,0,0,0,0,0};
 174
 175   Int_t dum = 0;
 176   Float_t apitch = seg1->Dpz(dum);
 177   Float_t tstep = seg1->Dpx(dum);
 178   Float_t maxand = seg1->Npz()/2.;
 179   //cout << "anodes: " << maxand << ", tstep: " << tstep << endl;
 180
 181   Float_t n,b;
 182   res1->GetNoiseParam(n,b);
 183   printf("SDD: noise baseline %f %f zs option %s data type %s\n",n,b,res1->ZeroSuppOption(),res1->DataType());
 184   printf("SDD: DriftSpeed %f TopValue %f\n",res1->DriftSpeed(),res1->DynamicRange());
 185   Float_t dif0,dif1;
 186   res1->DiffCoeff(dif0,dif1);
 187   printf("SDD: dif0 %f dif1 %f\n",dif0,dif1);
 188
 189   AliITSsimulationSDD *sim1=new AliITSsimulationSDD(seg1,res1);
 190   ITS->SetSimulationModel(1,sim1);
 191
 192   //
 193   //   Loop over events
 194   //
 195
 196   Int_t Nh=0;
 197   Int_t Nh1=0;
 198   for (int nev=0; nev<= evNumber2; nev++) {
 199     if(nev>0) {
 200       nparticles = gAlice->GetEvent(nev);
 201       gAlice->SetEvent(nev);
 202     }
 203     cout << "nparticles  " <<nparticles<<endl;
 204     if (nev < evNumber1) continue;
 205     if (nparticles <= 0) return;
 206
 207     // Reset Pointers
 208     AliITShit *itsHit;
 209     AliITSRecPoint *itsPnt = 0;
 210     AliITSRawClusterSDD *itsClu = 0;
 211
 212     // Reset Event Counters
 213     Int_t nGoodTotalHits = 0;
 214     Int_t nGoodTotalPnts = 0;
 215
 216     // Get Hit, Cluster & Recpoints Tree Pointers
 217
 218     TTree *TH = gAlice->TreeH();
 219     Int_t nenthit=TH->GetEntries();
 220     printf("Found %d entries in the Hit tree (must be one per track per event!)\n",nenthit);
 221
 222     ITS->GetTreeC(nev);
 223     TTree *TC=ITS->TreeC();
 224     Int_t nentclu=TC->GetEntries();
 225     printf("Found %d entries in the Hit tree (must be one per module per event!)\n",nentclu);
 226
 227     TTree *TR = gAlice->TreeR();
 228     Int_t nentrec=TR->GetEntries();
 229     printf("Found %d entries in the Rec tree (must be one per module per event!)\n",nentrec);
 230
 231     // Get Pointers to Clusters & Recpoints TClonesArrays
 232
 233     Int_t iDet = 1;  // 1 = SDD
 234
 235     TClonesArray *ITSclu  = ITS->ClustersAddress(iDet);
 236     TClonesArray *ITSrec  = ITS->RecPoints();
 237
 238     // check recpoints
 239
 240     Int_t nbytes = 0;
 241     Int_t totpoints = 0;
 242     Int_t totclust = 0;
 243
 244     // check hits
 245
 246     Int_t nmodules=0;
 247     ITS->InitModules(-1,nmodules);
 248     ITS->FillModules(nev,0,nmodules,"","");
 249
 250     TObjArray *fITSmodules = ITS->GetModules();
 251
 252     Int_t first = aliitsgeo->GetStartDet(iDet);
 253     Int_t last = aliitsgeo->GetLastDet(iDet);
 254     printf("det type %d first, last %d %d \n",iDet,first,last);
 255
 256     for (Int_t mod=0; mod<last-first+1; mod++) {
 257       cout << "Module: " << mod+1 << endl;
 258       TTree *TR = gAlice->TreeR();
 259       Int_t nentrec=TR->GetEntries();
 260       TClonesArray *ITSrec  = ITS->RecPoints();
 261
 262       ITS->ResetClusters();
 263       TC->GetEvent(mod);
 264       ITS->ResetRecPoints();
 265       nbytes += TR->GetEvent(mod);
 266
 267       Int_t nrecp = ITSrec->GetEntries();
 268       totpoints += nrecp;
 269       //if (nrecp) printf("Found %d rec points for module %d\n",nrecp,mod);
 270       if (!nrecp) continue;
 271
 272       Int_t nrecc = ITSclu->GetEntries();
 273       totclust += nrecc;
 274       //if (nrecc) printf("Found %d clusters for module %d\n",nrecc,mod);
 275
 276       Int_t nrecp = ITSrec->GetEntries();
 277       Int_t startSDD = aliitsgeo->GetStartSDD();
 278       Int_t *flagP = new Int_t [nrecp];
 279       memset( flagP, 0, sizeof(Int_t)*nrecp );
 280
 281       //printf("point loop\n");
 282
 283       Int_t nGoodPnts = 0;
 284       for (Int_t pnt=0;pnt<nrecp;pnt++) {
 285         itsPnt  = (AliITSRecPoint*)ITSrec->At(pnt);
 286         if(!itsPnt) continue;
 287         itsClu  = (AliITSRawClusterSDD*)ITSclu->At(pnt);
 288         if(!itsClu) continue;
 289         //itsClu->PrintInfo();
 290         nGoodPnts++;
 291         nGoodTotalPnts++;
 292
 293         Int_t pntlayer;
 294         Int_t pntladder;
 295         Int_t pntdetector;
 296         aliitsgeo->GetModuleId(mod+first,pntlayer,pntladder,pntdetector);
 297         Int_t pntmult = itsClu->Samples();
 298         Int_t pntands = itsClu->Anodes();
 299         Float_t pnttime = itsClu->T();
 300         Float_t pntanod = itsClu->A();
 301         Float_t pntchrg = itsClu->Q();
 302         Float_t pntampl = itsClu->PeakAmpl();
 303         Float_t pntpath = pnttime*vdrift/1000.;
 304
 305         Float_t wy = 0.;
 306         if(itsClu->Anodes() != 0.) {
 307           wy = pntmult/((Float_t) pntands);
 308         }
 309         clmult->Fill((Float_t)pntmult,(Float_t) pntands);
 310         ntotal->Fill(pnttime,(Float_t)pntmult);
 311         tsampl->Fill(pnttime,wy);
 312         amplit->Fill(pnttime,pntampl);
 313         amplit1->Fill(pnttime,pntampl);
 314
 315         //  Detector  occupancy
 316
 317         if(pntlayer == 3) {
 318           occupancy3->Fill((Float_t) pntdetector,(Float_t) pntmult);
 319           //mappa3pnt[pntladder-1][pntdetector-1][0]->Fill(pntanod,pnttime);
 320         }
 321         if(pntlayer == 4) {
 322           occupancy4->Fill((Float_t) pntdetector,(Float_t) pntmult);
 323           //mappa4pnt[pntladder-1][pntdetector-1][0]->Fill(pntanod,pnttime);
 324         }
 325
 326         //  Point  Efficiency  vs  time.
 327
 328         effp->Fill(pntpath);
 329         anodes->Fill(pnttime,pntands);
 330         andtsm->Fill(wy,pntands);
 331         chp->Fill(pnttime,pntchrg);
 332       }
 333
 334       //printf("hit loop\n");
 335
 336       Float_t sddLength = seg1->Dx();
 337       Float_t sddWidth = seg1->Dz();
 338       Float_t driftSpeed=res1->DriftSpeed();
 339
 340       Int_t nGoodHits = 0;
 341
 342       AliITSmodule *Mod = (AliITSmodule *)fITSmodules->At(mod+first);
 343       Int_t nhits = Mod->GetNhits();
 344       for (Int_t hit=0;hit<nhits;hit++) {
 345         itsHit   = (AliITShit*)Mod->GetHit(hit);
 346
 347         Float_t avx = 0.;
 348         Float_t avy = 0.;
 349         Float_t avz = 0.;
 350         Int_t ifl = 0;
 351         Float_t DepEnergy = 100000.*itsHit->GetIonization();
 352         AliITShit *itsHit1 = 0;
 353         if(DepEnergy == 0.) {
 354           hit++;
 355           if(hit == nhits) break;
 356           itsHit1 = (AliITShit*) Mod->GetHit(hit);
 357           avx = itsHit1->GetXG();
 358           avy = itsHit1->GetYG();
 359           avz = itsHit1->GetZG();
 360           ifl = 1;
 361         }
 362         avx += itsHit->GetXG();
 363         avy += itsHit->GetYG();
 364         avz += itsHit->GetZG();
 365         if(DepEnergy == 0.) {
 366           avx /= 2.;
 367           avy /= 2.;
 368           avz /= 2.;
 369         }
 370         if(ifl == 0) continue;
 371
 372         Float_t px; Float_t py; Float_t pz;
 373         itsHit->GetMomentumG(px,py,pz);
 374         Float_t ptot = TMath::Sqrt(px*px+py*py+pz*pz);
 375         p->Fill(ptot*100);
 376         if(ptot < 0.05) continue;
 377
 378         Int_t Layer = itsHit->GetLayer();
 379         Int_t Ladder = itsHit->GetLadder();
 380         Int_t Det = itsHit->GetDetector();
 381
 382         Float_t And;
 383         Float_t Tim;
 384         Float_t x = itsHit->GetXL();
 385         Float_t z = itsHit->GetZL();
 386         xz->Fill(z,x);
 387         seg1->GetPadTxz(x,z);
 388         And = z;
 389         Tim = x*tstep;
 390         and_tim->Fill(And,Tim);
 391
 392         Float_t And1;
 393         Float_t Tim1;
 394         Float_t x1;
 395         Float_t z1;
 396         if(itsHit1) {
 397           x1 = itsHit1->GetXL();
 398           z1 = itsHit1->GetZL();
 399           xz->Fill(z1,x1);
 400           seg1->GetPadTxz(x1,z1);
 401           And1 = z1;
 402           Tim1 = x1*tstep;
 403           and_tim->Fill(And1,Tim1);
 404         }
 405         Float_t DepEnergy = 100000.*itsHit->GetIonization();
 406         if(DepEnergy == 0.) DepEnergy = 100000.*itsHit1->GetIonization();
 407         if(DepEnergy < 5.) continue;
 408
 409         if(itsHit1) {
 410           Tim += Tim1;
 411           Tim /= 2.;
 412           And += And1;
 413           And /= 2.;
 414         }
 415         if(And < 0. || And > maxand) { cout << "And: " << And << endl; continue; }
 416         Float_t path = TMath::Abs(Tim)*vdrift/1000.;
 417         hit_vs_time->Fill(path);
 418         if(Layer==3) hit_vs_time3->Fill(path);
 419         if(Layer==4) hit_vs_time4->Fill(path);
 420
 421         nGoodHits++;
 422         nGoodTotalHits++;
 423
 424         //if(Layer == 3) mappa3hit[Ladder-1][Det-1][0]->Fill(And,Tim);
 425         //if(Layer == 4) mappa4hit[Ladder-1][Det-1][0]->Fill(And,Tim);
 426
 427         effh->Fill(path);
 428         Float_t ww = DepEnergy;
 429         chh->Fill(TMath::Abs(Tim),ww);
 430         Int_t inmatches = 0;
 431
 432         Float_t diffmin = 100000.;
 433         Int_t pntmin = -1;
 434
 435         //printf("point loop\n");
 436
 437         for (Int_t pnt=0;pnt<nrecp;pnt++) {
 438           itsPnt  = (AliITSRecPoint*)ITSrec->At(pnt);
 439           if(!itsPnt) continue;
 440           itsClu  = (AliITSRawClusterSDD*)ITSclu->At(pnt);
 441           if(!itsClu) continue;
 442
 443           Int_t LayerP;
 444           Int_t LadderP;
 445           Int_t DetP;
 446           aliitsgeo->GetModuleId(mod+first,LayerP,LadderP,DetP);
 447           Int_t LayerH =  itsHit->GetLayer();
 448           Int_t LadderH =  itsHit->GetLadder();
 449           Int_t DetH =  itsHit->GetDetector();
 450           if(LayerH != LayerP) continue;
 451           if(LadderH != LadderP) continue;
 452           if(DetH != DetP) continue;
 453
 454           Float_t Pand = (Float_t) itsClu->A();
 455           if(Pand < 0 || Pand > maxand) { cout << "Pand: " << Pand << endl; continue; }
 456           Float_t Ptim = (Float_t) itsClu->T();
 457           Float_t Pwng = (Float_t) itsClu->W();
 458           if(Pwng == 1) Ptim *= -1.;
 459           pand_ptim->Fill(Pand,Ptim);
 460           Float_t adiff = And-Pand;
 461           Float_t tdiff = Tim-Ptim;
 462           if(And < 0) {
 463             printf("tim %f\n",Tim);
 464             printf("and %f\n",And);
 465           }
 466           if(Pwng == 1) tdiff *=-1.;
 467           local1->Fill(adiff,tdiff);
 468
 469           if(TMath::Abs(adiff) >= 1) continue;
 470           if(TMath::Abs(tdiff) >= 100) continue;
 471
 472           Float_t apdiff = adiff*apitch;
 473           Float_t tpdiff = tdiff*vdrift;
 474
 475           Float_t diff = TMath::Sqrt( apdiff*apdiff+tpdiff*tpdiff );
 476           if( diff < diffmin ){
 477             diffmin = diff;
 478             pntmin = pnt;
 479           }
 480
 481           if(TMath::Abs(adiff) < 1. && TMath::Abs(tdiff) < 100.) {
 482             inmatches++;
 483           }
 484           if( pntmin > -1 ) {
 485             if( flagP[pntmin] == 1) continue;
 486             flagP[pntmin] = 1;
 487             itsClu  = (AliITSRawClusterSDD*)ITSclu->At( pntmin );
 488             Float_t Pand = (Float_t) itsClu->A();
 489             Float_t Ptim = (Float_t) itsClu->T();
 490             Float_t Pwng = (Float_t) itsClu->W();
 491             Float_t sigma = itsClu->Asigma();
 492             Float_t tau = itsClu->Tsigma();
 493             Int_t pntands = itsClu->Anodes();
 494             if(Pwng == 1) Ptim *= -1.;
 495             Float_t adiff = And-Pand;
 496             Float_t tdiff = Tim-Ptim;
 497             if(Pwng == 1) tdiff *=-1.;
 498             local->Fill(adiff,tdiff);
 499
 500             Float_t dpath = Ptim*vdrift/1000.;
 501             Float_t dpathh = Tim*vdrift/1000.;
 502             Float_t adpath = TMath::Abs(dpath);
 503             Float_t adpathh = TMath::Abs(dpathh);
 504             Float_t apdiff = adiff*apitch;
 505             Float_t tpdiff = tdiff*vdrift;
 506             aa->Fill(Pand,And);
 507
 508             Int_t pntands = itsClu->Anodes();
 509             if(pntands == 1) {
 510               at1->Fill(adpath,apdiff);
 511               tt1->Fill(adpath,tpdiff);
 512             }
 513             if(pntands == 2) {
 514               at2->Fill(adpath,apdiff);
 515               tt2->Fill(adpath,tpdiff);
 516             }
 517
 518             at->Fill(adpathh,apdiff);
 519             tt->Fill(adpathh,tpdiff);
 520             asigma->Fill(adpathh,sigma);
 521             tsigma->Fill(adpathh,tau);
 522             if(pntands == 2) asigma2->Fill(adpathh,sigma);
 523
 524             Float_t *lP = new Float_t[3];
 525             lP[0] = itsPnt->GetX();
 526             lP[1] = 0.;
 527             lP[2] = itsPnt->GetZ();
 528             Float_t *gP = new Float_t[3];
 529             aliitsgeo->LtoG(LayerH,LadderH,DetH,lP,gP);
 530             Float_t dx = avx - gP[0];
 531             Float_t dy = avy - gP[1];
 532             Float_t dz = avz - gP[2];
 533             delete lP;
 534             delete gP;
 535
 536             Float_t pntchrg = itsClu->Q();
 537             Float_t dq = DepEnergy/0.122 - pntchrg;
 538             Float_t rq = 0;
 539             if(pntchrg != 0) rq = DepEnergy/0.122/((Float_t) pntchrg);
 540             if(LayerH == 3) {
 541               xy3->Fill(dx,dy);
 542               xz3->Fill(dz,dx);
 543               yz3->Fill(dz,dy);
 544             } else if(LayerH == 4) {
 545               xy4->Fill(dx,dy);
 546               xz4->Fill(dz,dx);
 547               yz4->Fill(dz,dy);
 548             }
 549             chd->Fill(dq);
 550             if(rq != 0.) chr->Fill(rq);
 551
 552             rec_vs_time->Fill(adpathh);
 553             if(Layer==3) rec_vs_time3->Fill(adpathh);
 554             if(Layer==4) rec_vs_time4->Fill(adpathh);
 555           }
 556         }
 557         nmatch->Fill(inmatches);
 558       }  // loop hits
 559
 560       if(nGoodHits != nGoodPnts) {
 561         printf("module: %d",mod+1);
 562         printf(", nGoodHits: %d",nGoodHits);
 563         printf(", nGoodPnts: %d\n",nGoodPnts);
 564       }
 565       Float_t nHP = (Float_t) nGoodHits-nGoodPnts;
 566       hitpnt->Fill(nHP);
 567
 568       Int_t www = 0.;
 569       if(nGoodHits != 0) www = nGoodPnts/((Float_t) nGoodHits);
 570       if(Layer == 3) {
 571         pntmap3->Fill(Ladder,Det,(Float_t) nGoodPnts);
 572         hitmap3->Fill(Ladder,Det,(Float_t) nGoodHits);
 573         map3->Fill(Ladder,Det,www);
 574       }
 575       if(Layer == 4) {
 576         pntmap4->Fill(Ladder,Det,(Float_t) nGoodPnts);
 577         hitmap4->Fill(Ladder,Det,(Float_t) nGoodHits);
 578         map4->Fill(Ladder,Det,www);
 579       }
 580
 581       //printf("double hit loop\n");
 582
 583       Stat_t wh = 1.;
 584       if(nGoodHits > 1)
 585         wh /= (((Float_t) nGoodHits)*((Float_t) nGoodHits)-1)/2.;
 586       else
 587         wh = 0.;
 588
 589       Int_t *flag = new Int_t[nhits];
 590       Int_t nGoodHitsOK = 0;
 591       for (Int_t hit=0;hit<nhits;hit++) {
 592         flag[hit] = 0;
 593         itsHit   = (AliITShit*)Mod->GetHit(hit);
 594         Float_t avx = 0.;
 595         Float_t avy = 0.;
 596         Float_t avz = 0.;
 597         Int_t ifl = 0;
 598         Float_t DepEnergy = 100000.*itsHit->GetIonization();
 599         AliITShit *itsHit1 = 0;
 600         if(DepEnergy == 0.) {
 601           hit++;
 602           flag[hit] = 0;
 603           if(hit == nhits) break;
 604           itsHit1 = (AliITShit*) Mod->GetHit(hit);
 605           avx = itsHit1->GetXG();
 606           avy = itsHit1->GetYG();
 607           avz = itsHit1->GetZG();
 608           ifl = 1;
 609         }
 610         avx += itsHit->GetXG();
 611         avy += itsHit->GetYG();
 612         avz += itsHit->GetZG();
 613         if(DepEnergy == 0.) {
 614           avx /= 2.;
 615           avy /= 2.;
 616           avz /= 2.;
 617         }
 618         if(DepEnergy < 5. && DepEnergy > 0.) continue;
 619         if(ifl == 0) continue;
 620
 621         Float_t px; Float_t py; Float_t pz;
 622         itsHit->GetMomentumG(px,py,pz);
 623         Float_t ptot = TMath::Sqrt(px*px+py*py+pz*pz);
 624         if(ptot < 0.05) continue;
 625
 626         for (Int_t hit1=hit+1;hit1<nhits;hit1++) {
 627           itsHit2   = (AliITShit*)Mod->GetHit(hit1);
 628
 629           Float_t avx2 = 0.;
 630           Float_t avy2 = 0.;
 631           Float_t avz2 = 0.;
 632           Int_t ifl2 = 0;
 633           Float_t DepEnergy2 = 100000.*itsHit2->GetIonization();
 634           AliITShit *itsHit3 = 0;
 635           if(DepEnergy2 == 0.) {
 636             hit1++;
 637             itsHit3 = (AliITShit*) Mod->GetHit(hit1);
 638             avx2 = itsHit3->GetXG();
 639             avy2 = itsHit3->GetYG();
 640             avz2 = itsHit3->GetZG();
 641             ifl2 = 1;
 642           }
 643           avx2 += itsHit2->GetXG();
 644           avy2 += itsHit2->GetYG();
 645           avz2 += itsHit2->GetZG();
 646           if(DepEnergy2 == 0.) {
 647             avx2 /= 2.;
 648             avy2 /= 2.;
 649             avz2 /= 2.;
 650           }
 651           if(DepEnergy2 < 5. && DepEnergy2 > 0.) continue;
 652           if(itsHit->GetLayer() != itsHit2->GetLayer()) continue;
 653           if(itsHit->GetLadder() != itsHit2->GetLadder()) continue;
 654           if(itsHit->GetDetector() != itsHit2->GetDetector()) continue;
 655           if(ifl2 == 0) continue;
 656
 657           Float_t px1; Float_t py1; Float_t pz1;
 658           itsHit2->GetMomentumG(px1,py1,pz1);
 659           Float_t ptot1 = TMath::Sqrt(px1*px1+py1*py1+pz1*pz1);
 660           if(ptot1 < 0.05) continue;
 661
 662           Float_t And;
 663           Float_t Tim;
 664           Float_t x = itsHit->GetXL();
 665           Float_t z = itsHit->GetZL();
 666           seg1->GetPadTxz(x,z);
 667           And = z;
 668           Tim = x*tstep;
 669           if(And < 0 || And > maxand) continue;
 670           Float_t And2;
 671           Float_t Tim2;
 672           Float_t x2 = itsHit2->GetXL();
 673           Float_t z2 = itsHit2->GetZL();
 674           seg1->GetPadTxz(x2,z2);
 675           And2 = z2;
 676           Tim2 = x2*tstep;
 677           if(And2 < 0 || And2 > maxand) continue;
 678           Float_t da = apitch*(And-And2);
 679           Float_t dt = vdrift*(Tim-Tim2);
 680           Float_t danh = And-And2;
 681           Float_t dtmh = Tim-Tim2;
 682           Float_t dist = TMath::Sqrt(da*da+dt*dt);
 683           if(dt < 1000.) {
 684             Float_t wx = dt*clock/(1000.*vdrift);
 685             Float_t wy = da/apitch;
 686             dtah->Fill(wx,wy);
 687           }
 688           if(dist<20.) { cout << "skip hit " << hit1 << endl; flag[hit] = 1; }
 689
 690           if(ifl == 1 && ifl2 == 1) {
 691             if(dist>10)dtrh->Fill(dist,wh);
 692             dtrhall->Fill(dist/1000.,wh);
 693             dadth->Fill(dtmh,danh);
 694           }
 695         }  // end cluster loop
 696
 697         Float_t path = TMath::Abs(Tim)*vdrift/1000.;
 698         if(flag[hit] == 0) { nGoodHitsOK++; hit_vs_time1->Fill(path); }
 699       } // end hit loop
 700       delete [] flag;
 701       printf("nGoodHits: %d",nGoodHits);
 702       printf(", nGoodHitsOK: %d\n",nGoodHitsOK);
 703
 704       //printf("cluster loop\n");
 705
 706       AliITSRawClusterSDD *itsCluFake = 0;
 707       Int_t nGoodPntsOK = 0;
 708       for( int ip=0; ip<nrecp; ip++) {
 709         itsClu  = (AliITSRawClusterSDD*)ITSclu->At(ip);
 710         if(!itsClu) continue;
 711         Float_t Ptim = (Float_t) itsClu->T();
 712         Float_t dpath = Ptim*vdrift/1000.;
 713         Float_t adpath = TMath::Abs(dpath);
 714         if( flagP[ip] == 1) { nGoodPntsOK++; rec_vs_time1->Fill(dpath); }
 715         else {
 716           cout << "ip: " << ip << endl;
 717           itsCluFake  = (AliITSRawClusterSDD*)ITSclu->At( ip );
 718           if(!itsCluFake) continue;
 719           cout << "pointer: " << itsCluFake << endl;
 720           itsCluFake->PrintInfo();
 721           Float_t Ptim = (Float_t) itsCluFake->T();
 722           Float_t dpath = Ptim*vdrift/1000.;
 723           fake_vs_time->Fill(dpath);
 724         }
 725       }
 726
 727       Stat_t wp = 1.;
 728       if(nGoodPntsOK > 1)
 729         wp /= (((Float_t) nGoodPntsOK)*((Float_t) nGoodPntsOK)-1)/2.;
 730       else
 731         wp = 0.;
 732
 733       //printf("double cluster loop\n");
 734       for (Int_t pnt=0;pnt<nrecp;pnt++) {
 735         if( flagP[pnt] == 0) continue;
 736         itsPnt  = (AliITSRecPoint*)ITSrec->At(pnt);
 737         if(!itsPnt) continue;
 738         itsClu  = (AliITSRawClusterSDD*)ITSclu->At(pnt);
 739         if(!itsClu) continue;
 740         AliITSRecPoint *itsPnt1;
 741         AliITSRawClusterSDD *itsClu1;
 742         for (Int_t pnt1=pnt+1;pnt1<nrecp;pnt1++) {
 743           if( flagP[pnt1] == 0) continue;
 744           itsPnt1 = (AliITSRecPoint*)ITSrec->At(pnt1);
 745           if(!itsPnt1) continue;
 746           itsClu1 = (AliITSRawClusterSDD*)ITSclu->At(pnt1);
 747           if(!itsClu1) continue;
 748
 749           Float_t dan = itsClu->A()-itsClu1->A();
 750           Float_t Pwng = (Float_t) itsClu->W();
 751           Float_t dt1 = itsClu->T();
 752           if(Pwng == 1) dt1 *= -1.;
 753           Float_t dt2 = itsClu1->T();
 754           Float_t Pwng = (Float_t) itsClu1->W();
 755           if(Pwng == 1) dt2 *= -1.;
 756           Float_t dtm = dt1-dt2;
 757           dadt->Fill(dtm,dan);
 758           Float_t dap = apitch*(itsClu->A()-itsClu1->A());
 759           Float_t dtp = vdrift*(dt1-dt2);
 760           Float_t distp = TMath::Sqrt(dap*dap+dtp*dtp);
 761           if(TMath::Abs(dan) < 1.) dclutim->Fill(dtp);
 762           if(TMath::Abs(dan) > 10.) dfkctim->Fill(dtp);
 763           if(dtp < 1000.) {
 764             Float_t wx = dtp*clock;
 765             Float_t wy = dap/apitch;
 766             dtap->Fill(wx,wy);
 767           }
 768           dtrp->Fill(distp,wp);
 769           dtrpall->Fill(distp/1000.,wp);
 770         } // end loop points
 771       } // end loop points
 772
 773       delete [] flagP;
 774     } // end loop modules
 775
 776     ITS->ClearModules();
 777     gAlice->CleanDetectors();
 778
 779   } // end loop events
 780
 781   cout << "open output file" << endl;
 782   TFile fhistos("SDD_histos_test.root","RECREATE");
 783   local->Write();
 784   local1->Write();
 785
 786   aa->Write();
 787   at->Write();
 788   tt->Write();
 789   at1->Write();
 790   tt1->Write();
 791   at2->Write();
 792   tt2->Write();
 793   asigma->Write();
 794   tsigma->Write();
 795   asigma2->Write();
 796   dadt->Write();
 797   dadth->Write();
 798   dclutim->Write();
 799   dfkctim->Write();
 800   xy3->Write();
 801   xz3->Write();
 802   yz3->Write();
 803   xy4->Write();
 804   xz4->Write();
 805   yz4->Write();
 806   chd->Write();
 807   chr->Write();
 808   chh->Write();
 809   chp->Write();
 810   dtrp->Write();
 811   dtrpall->Write();
 812   dtah->Write();
 813   dtap->Write();
 814   dtrh->Write();
 815   dtrhall->Write();
 816   effh->Write();
 817   effp->Write();
 818   rec_vs_time->Write();
 819   hit_vs_time->Write();
 820   hit_vs_time1->Write();
 821   rec_vs_time1->Write();
 822   rec_vs_time3->Write();
 823   hit_vs_time3->Write();
 824   rec_vs_time4->Write();
 825   hit_vs_time4->Write();
 826   fake_vs_time->Write();
 827   p->Write();
 828   nmatch->Write();
 829   anodes->Write();
 830   tsampl->Write();
 831   ntotal->Write();
 832   clmult->Write();
 833   andtsm->Write();
 834   amplit->Write();
 835   amplit1->Write();
 836   hitpnt->Write();
 837   noihist->Write();
 838   occupancy3->Write();
 839   occupancy4->Write();
 840   map3->Write();
 841   hitmap3->Write();
 842   pntmap3->Write();
 843   map4->Write();
 844   hitmap4->Write();
 845   pntmap4->Write();
 846   /*
 847     for(Int_t i=0;i<22;i++) {
 848     for(Int_t j=0;j<8;j++) {
 849     for(Int_t k=0;k<2;k++) {
 850     //mappa4hit[i][j][k]->Write();
 851     //mappa4pnt[i][j][k]->Write();
 852     if(i<14 && j<6) {
 853     //mappa3hit[i][j][k]->Write();
 854     //mappa3pnt[i][j][k]->Write();
 855     }
 856     }
 857     }
 858     }
 859   */
 860   xz->Write();
 861   and_tim->Write();
 862   pand_ptim->Write();
 863   fhistos.Close();
 864   file->Close();
 865 }
 866
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