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   } else {
  24       delete gAlice;
  25       gAlice=0;
  26   }
  27
  28   // Connect the Root Galice file containing Geometry, Kine and Hits
  29   TString *str = new TString("galice.root");
  30   TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject(str->Data());
  31   if (!file) file = new TFile(str->Data(),"UPDATE");
  32
  33   // Get AliRun object from file or create it if not on file
  34   //   if (!gAlice) {
  35   gAlice = (AliRun*)file->Get("gAlice");
  36   if (gAlice) printf("AliRun object found on file\n");
  37   if (!gAlice) gAlice = new AliRun("gAlice","Alice test program");
  38   //}
  39
  40   TH2F *local = new TH2F("local","time vs anode difference",101,-1.01,1.01,210,-210.,210.);
  41   TH2F *local1 = new TH2F("local1","time vs anode difference",101,-5.01,5.01,210,-2100.,2100.);
  42   TH2F *dtah = new TH2F("dtah","anode difference vs drift time (hits)",210,-21000.,21000.,101,-10000.01,10000.01);
  43   TH2F *dtap = new TH2F("dtap","anode difference vs drift time (points)",21000,-21000.,210.,101,-10000.01,10000.01);
  44   TH1F *dclutim = new TH1F("dclutim","cluster time difference (dan < 1)",200,-2000.,2000.);
  45   TH1F *dfkctim = new TH1F("dfkctim","cluster time difference (dan > 5)",200,-2000.,2000.);
  46   TH2F *xy3 = new TH2F("xy3","y vs x",100,-200.02,200.02,100,-200.02,200.02);
  47   TH2F *xz3 = new TH2F("xz3","x vs z",100,-200.02,200.02,100,-200.02,200.02);
  48   TH2F *yz3 = new TH2F("yz3","y vs z",100,-200.02,200.02,100,-200.02,200.02);
  49   TH2F *xy4 = new TH2F("xy4","y vs x",100,-200.02,200.02,100,-200.02,200.02);
  50   TH2F *xz4 = new TH2F("xz4","x vs z",100,-200.02,200.02,100,-200.02,200.02);
  51   TH2F *yz4 = new TH2F("yz4","y vs z",100,-200.02,200.02,100,-200.02,200.02);
  52   TH1F *chd = new TH1F("chargediff","Charge difference (Gen-Rec)",100,-1000.,1000.);
  53   TH1F *chr = new TH1F("chargeratio","Charge ratio (Gen/Rec)",100,0.,0.1);
  54   TH2F *chp = new TH2F("chp","Point Charge vs time",28,0.,7000.,300,0.,3000.);
  55   TH2F *chh = new TH2F("chh","Hit Charge vs time",28,0.,7000.,80,0.,40.);
  56   TH2F *dadth = new TH2F("dadth","danode vs dtime (hits)",560,-14000.,14000.,601,-300.5,300.5);
  57   TH2F *dadt = new TH2F("dadt","danode vs dtime (points)",280,-7000.,7000.,601,-300.5,300.5);
  58   TH2F *aa = new TH2F("aa","anode hit vs point",204,-0.5,50.5.,204,-.5,50.5);
  59   TH2F *at = new TH2F("at","anode difference vs drift path (mm)",18,0.,36.,100,-200.,200.);
  60   TH2F *tt = new TH2F("tt","time coord. difference (um) vs drift path (mm)",18,0.,36.,100,-200.,200.);
  61   TH2F *at1 = new TH2F("at1","(1a) anode difference vs drift path (mm)",18,0.,36.,100,-200.,200.);
  62   TH2F *tt1 = new TH2F("tt1","(1a) time coord. difference (um) vs drift path (mm)",18,0.,36.,100,-200.,200.);
  63   TH2F *at2 = new TH2F("at2","(2a) anode difference vs drift path (mm)",18,0.,36.,100,-200.,200.);
  64   TH2F *tt2 = new TH2F("tt2","(2a) time coord. difference (um) vs drift path (mm)",18,0.,36.,100,-200.,200.);
  65   TH2F *asigma = new TH2F("asigma","anode sigma vs drift path (mm)",18,0.,36.,300,0.,300.);
  66   TH2F *tsigma = new TH2F("tsigma","tau. vs drift path (mm)",18,0.,36.,200,0.,100.);
  67   TH2F *asigma2 = new TH2F("asigma2","2 anode sigma vs drift path (mm)",18,0.,36.,150,0.,300.);
  68
  69   TH1F *dtrp = new TH1F("dtrp","Double track separation (microns)",40,0.,2000.);
  70   TH1F *dtrpall = new TH1F("dtrpall","Double track separation (mm)",100,0.,100.);
  71   TH1F *dtrh = new TH1F("dtrh","Double track separation (microns)",40,0.,2000.);
  72   TH1F *dtrhall = new TH1F("dtrhall","Double track separation (mm)",100,0.,100.);
  73
  74   TH1F *p = new TH1F("p","Momentum ",100,0.,20.);
  75
  76   TH1F *effh = new TH1F("effh","Hit Multiplicity vs drift path (mm)",18,0.,36.);
  77   TH1F *effp = new TH1F("effp","Point Multiplicity vs drift path (mm)",18,0.,36.);
  78
  79   TH2F *anodes = new TH2F("nanodes","Anode Multiplicity vs drift time",28,0.,7000.,5,0.5,5.5);
  80   TH2F *andtsm = new TH2F("nand_ntsm","Anode Mult vs Time Mult",15,0.5,15.5,5,0.5,5.5);
  81   TH2F *tsampl = new TH2F("nsampls","Sample Multiplicity vs drift time",28,0.,7000.,15,0.5,15.5);
  82   TH2F *ntotal = new TH2F("ntotal","Cluster Multiplicity vs drift time",28,0.,7000.,60,0.5,60.5);
  83   TH2F *clmult = new TH2F("clmult","Anode Multiplicity vs Total Multiplicity",50,0.5,50.5,5,0.5,5.5);
  84   TH2F *amplit1 = new TH2F("amplit1","Point Amplitude vs drift path (mm)",28,0.,7000.,64,0.5,1024.5);
  85   TH2F *amplit = new TH2F("amplit","Point Amplitude vs drift path (mm)",28,0.,7000.,60,0.5,600.5);
  86   TH1F *hitpnt = new TH1F("hitpnt","Hit-Point Multiplicity",21,-10.5,10.5);
  87
  88   TH1F *nmatch = new TH1F("nmatch","Number of matched points",5,-0.5.,4.5);
  89   TH1F *rec_vs_time = new TH1F("rec_vs_time","Point Rec. vs drift path",36,0.,36.);
  90   TH1F *hit_vs_time = new TH1F("hit_vs_time","Hit vs drift path",36,0.,36.);
  91   TH1F *rec_vs_time3 = new TH1F("rec_vs_time3","Point Rec. vs drift path",36,0.,36.);
  92   TH1F *hit_vs_time3 = new TH1F("hit_vs_time3","Hit vs drift path",36,0.,36.);
  93   TH1F *rec_vs_time4 = new TH1F("rec_vs_time4","Point Rec. vs drift path",36,0.,36.);
  94   TH1F *hit_vs_time4 = new TH1F("hit_vs_time4","Hit vs drift path",36,0.,36.);
  95   TH1F *rec_vs_time1 = new TH1F("rec_vs_time1","Point Rec. vs drift path",36,0.,36.);
  96   TH1F *hit_vs_time1 = new TH1F("hit_vs_time1","Hit vs drift path",36,0.,36.);
  97   TH1F *fake_vs_time = new TH1F("fake_vs_time","fake points vs drift path",36,0.,36.);
  98
  99   TH1F *noihist = new TH1F("noisehist","noise",80,10.,30.);
 100
 101   TH1F *occupancy3 = new TH1F("occupancy3","Occupancy vs Detector Number, Layer 3",20,0.5,20.5);
 102   TH1F *occupancy4 = new TH1F("occupancy4","Occupancy vs Detector Number, Layer 4",20,0.5,20.5);
 103
 104   TH2F *pntmap3 = new TH2F("pntmap3","Point map Layer 3",20,0.5,20.5,10,0.5,10.5);
 105   TH2F *hitmap3 = new TH2F("hitmap3","Hit map Layer 3",20,0.5,20.5,10,0.5,10.5);
 106   TH2F *map3 = new TH2F("map3","Hit/Point map Layer 3",20,0.5,20.5,10,0.5,10.5);
 107   TH2F *pntmap4 = new TH2F("pntmap4","Point map Layer 4",30,0.5,30.5,10,0.5,10.5);
 108   TH2F *hitmap4 = new TH2F("hitmap4","Hit map Layer 4",30,0.5,30.5,10,0.5,10.5);
 109   TH2F *map4 = new TH2F("map4","Hit/Point map Layer 4",30,0.5,30.5,10,0.5,10.5);
 110   TH2F *xz = new TH2F("xz","X vs Z",50,-5,5.,50,-5.,5.);
 111   TH2F *and_tim = new TH2F("and_tim","Tim vs Anode",30,-100,356.,30,-8000.,8000.);
 112   TH2F *pand_ptim = new TH2F("pand_ptim","Tim vs Anode",30,-100,356.,30,-8000.,8000.);
 113
 114   //Int_t nanodes = 256;
 115   //TH2F *mappa3hit[14][6][2];
 116   //TH2F *mappa4hit[22][8][2];
 117   //TH2F *mappa3pnt[14][6][2];
 118   //TH2F *mappa4pnt[22][8][2];
 119   /*
 120     for(Int_t i=0;i<22;i++) {
 121     for(Int_t j=0;j<8;j++) {
 122     for(Int_t k=0;k<2;k++) {
 123     TString *hname = new TString("hitmap_");
 124     TString *cname = new TString("pntmap_");
 125     Char_t lad[2];
 126     sprintf(lad,"%d",i+1);
 127     hname->Append(lad);
 128     hname->Append("_");
 129     cname->Append(lad);
 130     cname->Append("_");
 131     Char_t det[2];
 132     sprintf(det,"%d",j+1);
 133     hname->Append(det);
 134     hname->Append("_");
 135     cname->Append(det);
 136     cname->Append("_");
 137     Char_t wng[2];
 138     sprintf(wng,"%d",k+1);
 139     hname->Append(wng);
 140     cname->Append(wng);
 141     //mappa4hit[i][j][k] = new TH2F(hname->Data(),hname->Data(),nanodes,0.5,nanodes+0.5,256,0.5,256.5);
 142     //mappa4pnt[i][j][k] = new TH2F(cname->Data(),cname->Data(),nanodes,0.5,nanodes+0.5,256,0.5,256.5);
 143     if(i<14 && j<6) {
 144     mappa3hit[i][j][k] = new TH2F(hname->Data(),hname->Data(),nanodes,0.5,nanodes+0.5,256,0.5,256.5);
 145     mappa3pnt[i][j][k] = new TH2F(cname->Data(),cname->Data(),nanodes,0.5,nanodes+0.5,256,0.5,256.5);
 146     }
 147     }
 148     }
 149     }
 150   */
 151
 152   AliITS *ITS  = (AliITS*) gAlice->GetModule("ITS");
 153   if (!ITS) { cout << "no ITS" << endl; return; }
 154
 155   Int_t nparticles = gAlice->GetEvent(0);
 156
 157   Int_t cp[8]={0,0,0,0,0,0,0,0};
 158
 159   AliITSDetType *iDetType=ITS->DetType(1);
 160
 161   AliITSresponseSDD *res1 = (AliITSresponseSDD*)iDetType->GetResponseModel();
 162   if (!res1) {
 163     res1=new AliITSresponseSDD();
 164     ITS->SetResponseModel(1,res1);
 165   }
 166   res1->SetZeroSupp("2D");  // 1D
 167   res1->SetParamOptions("same","same");
 168   //res1->SetFilenames(" ","$(ALICE_ROOT)/ITS/base.dat","$(ALICE_ROOT)/ITS/2D.dat ");
 169   res1->SetCompressParam(cp);
 170   res1->SetDriftSpeed(7.3);
 171   Float_t vdrift = res1->DriftSpeed();
 172
 173   AliITSsegmentationSDD *seg1=(AliITSsegmentationSDD*)iDetType->GetSegmentationModel();
 174   AliITSgeom *aliitsgeo = ITS->GetITSgeom();
 175
 176   Int_t cp[8]={0,0,0,0,0,0,0,0};
 177
 178   Int_t dum = 0;
 179   Float_t apitch = seg1->Dpz(dum);
 180   Float_t tstep = seg1->Dpx(dum);
 181   Float_t maxand = seg1->Npz()/2.;
 182   //cout << "anodes: " << maxand << ", tstep: " << tstep << endl;
 183
 184   Float_t n,b;
 185   res1->GetNoiseParam(n,b);
 186   printf("SDD: noise baseline %f %f zs option %s data type %s\n",n,b,res1->ZeroSuppOption(),res1->DataType());
 187   printf("SDD: DriftSpeed %f TopValue %f\n",res1->DriftSpeed(),res1->DynamicRange());
 188   Float_t dif0,dif1;
 189   res1->DiffCoeff(dif0,dif1);
 190   printf("SDD: dif0 %f dif1 %f\n",dif0,dif1);
 191
 192   AliITSsimulationSDD *sim1=new AliITSsimulationSDD(seg1,res1);
 193   ITS->SetSimulationModel(1,sim1);
 194
 195   //
 196   //   Loop over events
 197   //
 198
 199   Int_t Nh=0;
 200   Int_t Nh1=0;
 201   for (int nev=0; nev<= evNumber2; nev++) {
 202     if(nev>0) {
 203       nparticles = gAlice->GetEvent(nev);
 204       gAlice->SetEvent(nev);
 205     }
 206     cout << "nparticles  " <<nparticles<<endl;
 207     if (nev < evNumber1) continue;
 208     if (nparticles <= 0) return;
 209
 210     // Reset Pointers
 211     AliITShit *itsHit;
 212     AliITSRecPoint *itsPnt = 0;
 213     AliITSRawClusterSDD *itsClu = 0;
 214
 215     // Reset Event Counters
 216     Int_t nGoodTotalHits = 0;
 217     Int_t nGoodTotalPnts = 0;
 218
 219     // Get Hit, Cluster & Recpoints Tree Pointers
 220
 221     TTree *TH = gAlice->TreeH();
 222     Int_t nenthit=TH->GetEntries();
 223     printf("Found %d entries in the Hit tree (must be one per track per event!)\n",nenthit);
 224
 225     ITS->GetTreeC(nev);
 226     TTree *TC=ITS->TreeC();
 227     Int_t nentclu=TC->GetEntries();
 228     printf("Found %d entries in the Cluster tree (must be one per module per event!)\n",nentclu);
 229
 230     TTree *TR = gAlice->TreeR();
 231     Int_t nentrec=TR->GetEntries();
 232     printf("Found %d entries in the Rec tree (must be one per module per event!)\n",nentrec);
 233
 234     // check recpoints
 235
 236     Int_t nbytes = 0;
 237     Int_t totpoints = 0;
 238     Int_t totclust = 0;
 239
 240     // check hits
 241
 242     Int_t nmodules=0;
 243     ITS->InitModules(-1,nmodules);
 244     ITS->FillModules(nev,0,nmodules,"","");
 245
 246     TObjArray *fITSmodules = ITS->GetModules();
 247
 248     Int_t iDet = 1;  // 1 = SDD
 249
 250     Int_t first = aliitsgeo->GetStartDet(0);
 251     Int_t last = aliitsgeo->GetLastDet(2);
 252     Int_t first_ok = aliitsgeo->GetStartDet(iDet);
 253     Int_t last_ok = aliitsgeo->GetLastDet(iDet);
 254     printf("det type %d first, last %d %d \n",iDet,first,last);
 255
 256     TClonesArray *ITSclu = 0;
 257     TClonesArray *ITSrec = 0;
 258     for (Int_t mod=first_ok; mod<=last_ok; mod++) {
 259       cout << "Module: " << mod << endl;
 260       //      if(mod < first_ok) continue;
 261       //      if(mod > last_ok) continue;
 262       // Get Pointers to Clusters & Recpoints TClonesArrays
 263
 264       ITSclu  = ITS->ClustersAddress(iDet);
 265       ITSrec  = ITS->RecPoints();
 266
 267       TTree *TR = gAlice->TreeR();
 268       Int_t nentrec=TR->GetEntries();
 269       TClonesArray *ITSrec  = ITS->RecPoints();
 270
 271       ITS->ResetClusters();
 272       TC->GetEvent(mod);
 273       ITS->ResetRecPoints();
 274       nbytes += TR->GetEvent(mod);
 275
 276       Int_t nrecp = ITSrec->GetEntries();
 277       totpoints += nrecp;
 278       if (nrecp) printf("Found %d rec points for module %d\n",nrecp,mod);
 279       if (!nrecp) continue;
 280
 281       Int_t nrecc = ITSclu->GetEntries();
 282       totclust += nrecc;
 283       if (nrecc) printf("Found %d clusters for module %d\n",nrecc,mod);
 284
 285       Int_t nrecp = ITSrec->GetEntries();
 286       Int_t startSDD = aliitsgeo->GetStartSDD();
 287       Int_t *flagP = new Int_t [nrecp];
 288       memset( flagP, 0, sizeof(Int_t)*nrecp );
 289
 290       //printf("point loop\n");
 291
 292       Int_t nGoodPnts = 0;
 293       for (Int_t pnt=0;pnt<nrecp;pnt++) {
 294         itsPnt  = (AliITSRecPoint*)ITSrec->At(pnt);
 295         if(!itsPnt) continue;
 296         itsClu  = (AliITSRawClusterSDD*)ITSclu->At(pnt);
 297         if(!itsClu) continue;
 298         //itsClu->PrintInfo();
 299         nGoodPnts++;
 300         nGoodTotalPnts++;
 301
 302         Int_t pntlayer;
 303         Int_t pntladder;
 304         Int_t pntdetector;
 305         aliitsgeo->GetModuleId(mod+first,pntlayer,pntladder,pntdetector);
 306         Int_t pntmult = itsClu->Samples();
 307         Int_t pntands = itsClu->Anodes();
 308         Float_t pnttime = itsClu->T();
 309         Float_t pntanod = itsClu->A();
 310         Float_t pntchrg = itsClu->Q();
 311         Float_t pntampl = itsClu->PeakAmpl();
 312         Float_t pntpath = pnttime*vdrift/1000.;
 313
 314         Float_t wy = 0.;
 315         if(itsClu->Anodes() != 0.) {
 316           wy = pntmult/((Float_t) pntands);
 317         }
 318         clmult->Fill((Float_t)pntmult,(Float_t) pntands);
 319         ntotal->Fill(pnttime,(Float_t)pntmult);
 320         tsampl->Fill(pnttime,wy);
 321         amplit->Fill(pnttime,pntampl);
 322         amplit1->Fill(pnttime,pntampl);
 323
 324         //  Detector  occupancy
 325
 326         if(pntlayer == 3) {
 327           occupancy3->Fill((Float_t) pntdetector,(Float_t) pntmult);
 328           //mappa3pnt[pntladder-1][pntdetector-1][0]->Fill(pntanod,pnttime);
 329         }
 330         if(pntlayer == 4) {
 331           occupancy4->Fill((Float_t) pntdetector,(Float_t) pntmult);
 332           //mappa4pnt[pntladder-1][pntdetector-1][0]->Fill(pntanod,pnttime);
 333         }
 334
 335         //  Point  Efficiency  vs  time.
 336
 337         effp->Fill(pntpath);
 338         anodes->Fill(pnttime,pntands);
 339         andtsm->Fill(wy,pntands);
 340         chp->Fill(pnttime,pntchrg);
 341       }
 342
 343       //printf("hit loop\n");
 344
 345       Float_t sddLength = seg1->Dx();
 346       Float_t sddWidth = seg1->Dz();
 347       Float_t driftSpeed=res1->DriftSpeed();
 348
 349       Int_t nGoodHits = 0;
 350
 351       AliITSmodule *Mod = (AliITSmodule *)fITSmodules->At(mod+first);
 352       Int_t nhits = Mod->GetNhits();
 353       for (Int_t hit=0;hit<nhits;hit++) {
 354         itsHit   = (AliITShit*)Mod->GetHit(hit);
 355
 356         Float_t avx = 0.;
 357         Float_t avy = 0.;
 358         Float_t avz = 0.;
 359         Int_t ifl = 0;
 360         Float_t DepEnergy = 100000.*itsHit->GetIonization();
 361         AliITShit *itsHit1 = 0;
 362         if(DepEnergy == 0.) {
 363           hit++;
 364           if(hit == nhits) break;
 365           itsHit1 = (AliITShit*) Mod->GetHit(hit);
 366           avx = itsHit1->GetXG();
 367           avy = itsHit1->GetYG();
 368           avz = itsHit1->GetZG();
 369           ifl = 1;
 370         }
 371         avx += itsHit->GetXG();
 372         avy += itsHit->GetYG();
 373         avz += itsHit->GetZG();
 374         if(DepEnergy == 0.) {
 375           avx /= 2.;
 376           avy /= 2.;
 377           avz /= 2.;
 378         }
 379         if(ifl == 0) continue;
 380
 381         Float_t px; Float_t py; Float_t pz;
 382         itsHit->GetMomentumG(px,py,pz);
 383         Float_t ptot = TMath::Sqrt(px*px+py*py+pz*pz);
 384         p->Fill(ptot*100);
 385         if(ptot < 0.05) continue;
 386
 387         Int_t Layer = itsHit->GetLayer();
 388         Int_t Ladder = itsHit->GetLadder();
 389         Int_t Det = itsHit->GetDetector();
 390
 391         Float_t And;
 392         Float_t Tim;
 393         Float_t x = itsHit->GetXL();
 394         Float_t z = itsHit->GetZL();
 395         xz->Fill(z,x);
 396         seg1->GetPadTxz(x,z);
 397         And = z;
 398         Tim = x*tstep;
 399         and_tim->Fill(And,Tim);
 400
 401         Float_t And1;
 402         Float_t Tim1;
 403         Float_t x1;
 404         Float_t z1;
 405         if(itsHit1) {
 406           x1 = itsHit1->GetXL();
 407           z1 = itsHit1->GetZL();
 408           xz->Fill(z1,x1);
 409           seg1->GetPadTxz(x1,z1);
 410           And1 = z1;
 411           Tim1 = x1*tstep;
 412           and_tim->Fill(And1,Tim1);
 413         }
 414         Float_t DepEnergy = 100000.*itsHit->GetIonization();
 415         if(DepEnergy == 0.) DepEnergy = 100000.*itsHit1->GetIonization();
 416         if(DepEnergy < 5.) continue;
 417
 418         if(itsHit1) {
 419           Tim += Tim1;
 420           Tim /= 2.;
 421           And += And1;
 422           And /= 2.;
 423         }
 424         if(And < 0. || And > maxand) { cout << "And: " << And << endl; continue; }
 425         Float_t path = TMath::Abs(Tim)*vdrift/1000.;
 426         hit_vs_time->Fill(path);
 427         if(Layer==3) hit_vs_time3->Fill(path);
 428         if(Layer==4) hit_vs_time4->Fill(path);
 429
 430         nGoodHits++;
 431         nGoodTotalHits++;
 432
 433         //if(Layer == 3) mappa3hit[Ladder-1][Det-1][0]->Fill(And,Tim);
 434         //if(Layer == 4) mappa4hit[Ladder-1][Det-1][0]->Fill(And,Tim);
 435
 436         effh->Fill(path);
 437         Float_t ww = DepEnergy;
 438         chh->Fill(TMath::Abs(Tim),ww);
 439         Int_t inmatches = 0;
 440
 441         Float_t diffmin = 100000.;
 442         Int_t pntmin = -1;
 443
 444         //printf("point loop\n");
 445         for (Int_t pnt=0;pnt<nrecp;pnt++) {
 446           itsPnt  = (AliITSRecPoint*)ITSrec->At(pnt);
 447           if(!itsPnt) continue;
 448           itsClu  = (AliITSRawClusterSDD*)ITSclu->At(pnt);
 449           if(!itsClu) continue;
 450
 451           Int_t LayerP;
 452           Int_t LadderP;
 453           Int_t DetP;
 454           aliitsgeo->GetModuleId(mod+first,LayerP,LadderP,DetP);
 455           Int_t LayerH =  itsHit->GetLayer();
 456           Int_t LadderH =  itsHit->GetLadder();
 457           Int_t DetH =  itsHit->GetDetector();
 458           if(LayerH != LayerP) continue;
 459           if(LadderH != LadderP) continue;
 460           if(DetH != DetP) continue;
 461
 462           Float_t Pand = (Float_t) itsClu->A();
 463           if(Pand < 0 || Pand > maxand) { cout << "Pand: " << Pand << endl; continue; }
 464           Float_t Ptim = (Float_t) itsClu->T();
 465           Float_t Pwng = (Float_t) itsClu->W();
 466           if(Pwng == 1) Ptim *= -1.;
 467           pand_ptim->Fill(Pand,Ptim);
 468           Float_t adiff = And-Pand;
 469           Float_t tdiff = Tim-Ptim;
 470           if(And < 0) {
 471             printf("tim %f\n",Tim);
 472             printf("and %f\n",And);
 473           }
 474           if(Pwng == 1) tdiff *=-1.;
 475           local1->Fill(adiff,tdiff);
 476
 477           if(TMath::Abs(adiff) >= 1) continue;
 478           if(TMath::Abs(tdiff) >= 100) continue;
 479
 480           Float_t apdiff = adiff*apitch;
 481           Float_t tpdiff = tdiff*vdrift;
 482
 483           Float_t diff = TMath::Sqrt( apdiff*apdiff+tpdiff*tpdiff );
 484           if( diff < diffmin ){
 485             diffmin = diff;
 486             pntmin = pnt;
 487           }
 488
 489           if(TMath::Abs(adiff) < 1. && TMath::Abs(tdiff) < 100.) {
 490             inmatches++;
 491           }
 492         } // loop (points)
 493
 494         if( pntmin > -1 ) {
 495           if( flagP[pntmin] == 1) continue;
 496           flagP[pntmin] = 1;
 497           itsClu  = (AliITSRawClusterSDD*)ITSclu->At( pntmin );
 498           Float_t Pand = (Float_t) itsClu->A();
 499           Float_t Ptim = (Float_t) itsClu->T();
 500           Float_t Pwng = (Float_t) itsClu->W();
 501           Float_t sigma = itsClu->Asigma();
 502           Float_t tau = itsClu->Tsigma();
 503           Int_t pntands = itsClu->Anodes();
 504           if(Pwng == 1) Ptim *= -1.;
 505           Float_t adiff = And-Pand;
 506           Float_t tdiff = Tim-Ptim;
 507           if(Pwng == 1) tdiff *=-1.;
 508           local->Fill(adiff,tdiff);
 509
 510           Float_t dpath = Ptim*vdrift/1000.;
 511           Float_t dpathh = Tim*vdrift/1000.;
 512           Float_t adpath = TMath::Abs(dpath);
 513           Float_t adpathh = TMath::Abs(dpathh);
 514           Float_t apdiff = adiff*apitch;
 515           Float_t tpdiff = tdiff*vdrift;
 516           aa->Fill(Pand,And);
 517
 518           Int_t pntands = itsClu->Anodes();
 519           if(pntands == 1) {
 520             at1->Fill(adpath,apdiff);
 521             tt1->Fill(adpath,tpdiff);
 522           }
 523           if(pntands == 2) {
 524             at2->Fill(adpath,apdiff);
 525             tt2->Fill(adpath,tpdiff);
 526           }
 527
 528           at->Fill(adpathh,apdiff);
 529           tt->Fill(adpathh,tpdiff);
 530           asigma->Fill(adpathh,sigma);
 531           tsigma->Fill(adpathh,tau);
 532           if(pntands == 2) asigma2->Fill(adpathh,sigma);
 533
 534           Float_t *lP = new Float_t[3];
 535           lP[0] = itsPnt->GetX();
 536           lP[1] = 0.;
 537           lP[2] = itsPnt->GetZ();
 538           Float_t *gP = new Float_t[3];
 539           aliitsgeo->LtoG(LayerH,LadderH,DetH,lP,gP);
 540           Float_t dx = avx - gP[0];
 541           Float_t dy = avy - gP[1];
 542           Float_t dz = avz - gP[2];
 543           delete lP;
 544           delete gP;
 545
 546           Float_t pntchrg = itsClu->Q();
 547           Float_t dq = DepEnergy/0.122 - pntchrg;
 548           Float_t rq = 0;
 549           if(pntchrg != 0) rq = DepEnergy/0.122/((Float_t) pntchrg);
 550           if(LayerH == 3) {
 551             xy3->Fill(dx,dy);
 552             xz3->Fill(dz,dx);
 553             yz3->Fill(dz,dy);
 554           } else if(LayerH == 4) {
 555             xy4->Fill(dx,dy);
 556             xz4->Fill(dz,dx);
 557             yz4->Fill(dz,dy);
 558           }
 559           chd->Fill(dq);
 560           if(rq != 0.) chr->Fill(rq);
 561
 562           rec_vs_time->Fill(adpathh);
 563           if(Layer==3) rec_vs_time3->Fill(adpathh);
 564           if(Layer==4) rec_vs_time4->Fill(adpathh);
 565         }
 566
 567         nmatch->Fill(inmatches);
 568       }  // loop hits
 569
 570       if(nGoodHits != nGoodPnts) {
 571         printf("module: %d",mod+1);
 572         printf(", nGoodHits: %d",nGoodHits);
 573         printf(", nGoodPnts: %d\n",nGoodPnts);
 574       }
 575       Float_t nHP = (Float_t) nGoodHits-nGoodPnts;
 576       hitpnt->Fill(nHP);
 577
 578       Int_t www = 0.;
 579       if(nGoodHits != 0) www = nGoodPnts/((Float_t) nGoodHits);
 580       if(Layer == 3) {
 581         pntmap3->Fill(Ladder,Det,(Float_t) nGoodPnts);
 582         hitmap3->Fill(Ladder,Det,(Float_t) nGoodHits);
 583         map3->Fill(Ladder,Det,www);
 584       }
 585       if(Layer == 4) {
 586         pntmap4->Fill(Ladder,Det,(Float_t) nGoodPnts);
 587         hitmap4->Fill(Ladder,Det,(Float_t) nGoodHits);
 588         map4->Fill(Ladder,Det,www);
 589       }
 590
 591       //printf("double hit loop\n");
 592
 593       Stat_t wh = 1.;
 594       if(nGoodHits > 1)
 595         wh /= (((Float_t) nGoodHits)*((Float_t) nGoodHits)-1)/2.;
 596       else
 597         wh = 0.;
 598
 599       Int_t *flag = new Int_t[nhits];
 600       Int_t nGoodHitsOK = 0;
 601       for (Int_t hit=0;hit<nhits;hit++) {
 602         flag[hit] = 0;
 603         itsHit   = (AliITShit*)Mod->GetHit(hit);
 604         Float_t avx = 0.;
 605         Float_t avy = 0.;
 606         Float_t avz = 0.;
 607         Int_t ifl = 0;
 608         Float_t DepEnergy = 100000.*itsHit->GetIonization();
 609         AliITShit *itsHit1 = 0;
 610         if(DepEnergy == 0.) {
 611           hit++;
 612           flag[hit] = 0;
 613           if(hit == nhits) break;
 614           itsHit1 = (AliITShit*) Mod->GetHit(hit);
 615           avx = itsHit1->GetXG();
 616           avy = itsHit1->GetYG();
 617           avz = itsHit1->GetZG();
 618           ifl = 1;
 619         }
 620         avx += itsHit->GetXG();
 621         avy += itsHit->GetYG();
 622         avz += itsHit->GetZG();
 623         if(DepEnergy == 0.) {
 624           avx /= 2.;
 625           avy /= 2.;
 626           avz /= 2.;
 627         }
 628         if(DepEnergy < 5. && DepEnergy > 0.) continue;
 629         if(ifl == 0) continue;
 630
 631         Float_t px; Float_t py; Float_t pz;
 632         itsHit->GetMomentumG(px,py,pz);
 633         Float_t ptot = TMath::Sqrt(px*px+py*py+pz*pz);
 634         if(ptot < 0.05) continue;
 635
 636         for (Int_t hit1=hit+1;hit1<nhits;hit1++) {
 637           itsHit2   = (AliITShit*)Mod->GetHit(hit1);
 638
 639           Float_t avx2 = 0.;
 640           Float_t avy2 = 0.;
 641           Float_t avz2 = 0.;
 642           Int_t ifl2 = 0;
 643           Float_t DepEnergy2 = 100000.*itsHit2->GetIonization();
 644           AliITShit *itsHit3 = 0;
 645           if(DepEnergy2 == 0.) {
 646             hit1++;
 647             itsHit3 = (AliITShit*) Mod->GetHit(hit1);
 648             avx2 = itsHit3->GetXG();
 649             avy2 = itsHit3->GetYG();
 650             avz2 = itsHit3->GetZG();
 651             ifl2 = 1;
 652           }
 653           avx2 += itsHit2->GetXG();
 654           avy2 += itsHit2->GetYG();
 655           avz2 += itsHit2->GetZG();
 656           if(DepEnergy2 == 0.) {
 657             avx2 /= 2.;
 658             avy2 /= 2.;
 659             avz2 /= 2.;
 660           }
 661           if(DepEnergy2 < 5. && DepEnergy2 > 0.) continue;
 662           if(itsHit->GetLayer() != itsHit2->GetLayer()) continue;
 663           if(itsHit->GetLadder() != itsHit2->GetLadder()) continue;
 664           if(itsHit->GetDetector() != itsHit2->GetDetector()) continue;
 665           if(ifl2 == 0) continue;
 666
 667           Float_t px1; Float_t py1; Float_t pz1;
 668           itsHit2->GetMomentumG(px1,py1,pz1);
 669           Float_t ptot1 = TMath::Sqrt(px1*px1+py1*py1+pz1*pz1);
 670           if(ptot1 < 0.05) continue;
 671
 672           Float_t And;
 673           Float_t Tim;
 674           Float_t x = itsHit->GetXL();
 675           Float_t z = itsHit->GetZL();
 676           seg1->GetPadTxz(x,z);
 677           And = z;
 678           Tim = x*tstep;
 679           if(And < 0 || And > maxand) continue;
 680           Float_t And2;
 681           Float_t Tim2;
 682           Float_t x2 = itsHit2->GetXL();
 683           Float_t z2 = itsHit2->GetZL();
 684           seg1->GetPadTxz(x2,z2);
 685           And2 = z2;
 686           Tim2 = x2*tstep;
 687           if(And2 < 0 || And2 > maxand) continue;
 688           Float_t da = apitch*(And-And2);
 689           Float_t dt = vdrift*(Tim-Tim2);
 690           Float_t danh = And-And2;
 691           Float_t dtmh = Tim-Tim2;
 692           Float_t dist = TMath::Sqrt(da*da+dt*dt);
 693           if(dt < 1000.) {
 694             Float_t wx = dt*clock/(1000.*vdrift);
 695             Float_t wy = da/apitch;
 696             dtah->Fill(wx,wy);
 697           }
 698           if(dist<20.) { cout << "skip hit " << hit1 << endl; flag[hit] = 1; }
 699
 700           if(ifl == 1 && ifl2 == 1) {
 701             if(dist>10)dtrh->Fill(dist,wh);
 702             dtrhall->Fill(dist/1000.,wh);
 703             dadth->Fill(dtmh,danh);
 704           }
 705         }  // end cluster loop
 706
 707         Float_t path = TMath::Abs(Tim)*vdrift/1000.;
 708         if(flag[hit] == 0) { nGoodHitsOK++; hit_vs_time1->Fill(path); }
 709       } // end hit loop
 710       delete [] flag;
 711       printf("nGoodHits: %d",nGoodHits);
 712       printf(", nGoodHitsOK: %d\n",nGoodHitsOK);
 713
 714       //printf("cluster loop\n");
 715
 716       AliITSRawClusterSDD *itsCluFake = 0;
 717       Int_t nGoodPntsOK = 0;
 718       for( int ip=0; ip<nrecp; ip++) {
 719         itsClu  = (AliITSRawClusterSDD*)ITSclu->At(ip);
 720         if(!itsClu) continue;
 721         Float_t Ptim = (Float_t) itsClu->T();
 722         Float_t dpath = Ptim*vdrift/1000.;
 723         Float_t adpath = TMath::Abs(dpath);
 724         if( flagP[ip] == 1) { nGoodPntsOK++; rec_vs_time1->Fill(dpath); }
 725         else {
 726           cout << "ip: " << ip << endl;
 727           itsCluFake  = (AliITSRawClusterSDD*)ITSclu->At( ip );
 728           if(!itsCluFake) continue;
 729           cout << "pointer: " << itsCluFake << endl;
 730           itsCluFake->PrintInfo();
 731           Float_t Ptim = (Float_t) itsCluFake->T();
 732           Float_t dpath = Ptim*vdrift/1000.;
 733           fake_vs_time->Fill(dpath);
 734         }
 735       }
 736
 737       Stat_t wp = 1.;
 738       if(nGoodPntsOK > 1)
 739         wp /= (((Float_t) nGoodPntsOK)*((Float_t) nGoodPntsOK)-1)/2.;
 740       else
 741         wp = 0.;
 742
 743       //printf("double cluster loop\n");
 744       for (Int_t pnt=0;pnt<nrecp;pnt++) {
 745         if( flagP[pnt] == 0) continue;
 746         itsPnt  = (AliITSRecPoint*)ITSrec->At(pnt);
 747         if(!itsPnt) continue;
 748         itsClu  = (AliITSRawClusterSDD*)ITSclu->At(pnt);
 749         if(!itsClu) continue;
 750         AliITSRecPoint *itsPnt1;
 751         AliITSRawClusterSDD *itsClu1;
 752         for (Int_t pnt1=pnt+1;pnt1<nrecp;pnt1++) {
 753           if( flagP[pnt1] == 0) continue;
 754           itsPnt1 = (AliITSRecPoint*)ITSrec->At(pnt1);
 755           if(!itsPnt1) continue;
 756           itsClu1 = (AliITSRawClusterSDD*)ITSclu->At(pnt1);
 757           if(!itsClu1) continue;
 758
 759           Float_t dan = itsClu->A()-itsClu1->A();
 760           Float_t Pwng = (Float_t) itsClu->W();
 761           Float_t dt1 = itsClu->T();
 762           if(Pwng == 1) dt1 *= -1.;
 763           Float_t dt2 = itsClu1->T();
 764           Float_t Pwng = (Float_t) itsClu1->W();
 765           if(Pwng == 1) dt2 *= -1.;
 766           Float_t dtm = dt1-dt2;
 767           dadt->Fill(dtm,dan);
 768           Float_t dap = apitch*(itsClu->A()-itsClu1->A());
 769           Float_t dtp = vdrift*(dt1-dt2);
 770           Float_t distp = TMath::Sqrt(dap*dap+dtp*dtp);
 771           if(TMath::Abs(dan) < 1.) dclutim->Fill(dtp);
 772           if(TMath::Abs(dan) > 10.) dfkctim->Fill(dtp);
 773           if(dtp < 1000.) {
 774             Float_t wx = dtp*clock;
 775             Float_t wy = dap/apitch;
 776             dtap->Fill(wx,wy);
 777           }
 778           dtrp->Fill(distp,wp);
 779           dtrpall->Fill(distp/1000.,wp);
 780         } // end loop points
 781       } // end loop points
 782
 783       delete [] flagP;
 784     } // end loop modules
 785
 786     ITS->ClearModules();
 787     gAlice->CleanDetectors();
 788
 789   } // end loop events
 790
 791   cout << "open output file" << endl;
 792   TFile fhistos("SDD_histos_test.root","RECREATE");
 793   local->Write();
 794   local1->Write();
 795
 796   aa->Write();
 797   at->Write();
 798   tt->Write();
 799   at1->Write();
 800   tt1->Write();
 801   at2->Write();
 802   tt2->Write();
 803   asigma->Write();
 804   tsigma->Write();
 805   asigma2->Write();
 806   dadt->Write();
 807   dadth->Write();
 808   dclutim->Write();
 809   dfkctim->Write();
 810   xy3->Write();
 811   xz3->Write();
 812   yz3->Write();
 813   xy4->Write();
 814   xz4->Write();
 815   yz4->Write();
 816   chd->Write();
 817   chr->Write();
 818   chh->Write();
 819   chp->Write();
 820   dtrp->Write();
 821   dtrpall->Write();
 822   dtah->Write();
 823   dtap->Write();
 824   dtrh->Write();
 825   dtrhall->Write();
 826   effh->Write();
 827   effp->Write();
 828   rec_vs_time->Write();
 829   hit_vs_time->Write();
 830   hit_vs_time1->Write();
 831   rec_vs_time1->Write();
 832   rec_vs_time3->Write();
 833   hit_vs_time3->Write();
 834   rec_vs_time4->Write();
 835   hit_vs_time4->Write();
 836   fake_vs_time->Write();
 837   p->Write();
 838   nmatch->Write();
 839   anodes->Write();
 840   tsampl->Write();
 841   ntotal->Write();
 842   clmult->Write();
 843   andtsm->Write();
 844   amplit->Write();
 845   amplit1->Write();
 846   hitpnt->Write();
 847   noihist->Write();
 848   occupancy3->Write();
 849   occupancy4->Write();
 850   map3->Write();
 851   hitmap3->Write();
 852   pntmap3->Write();
 853   map4->Write();
 854   hitmap4->Write();
 855   pntmap4->Write();
 856   /*
 857     for(Int_t i=0;i<22;i++) {
 858     for(Int_t j=0;j<8;j++) {
 859     for(Int_t k=0;k<2;k++) {
 860     //mappa4hit[i][j][k]->Write();
 861     //mappa4pnt[i][j][k]->Write();
 862     if(i<14 && j<6) {
 863     //mappa3hit[i][j][k]->Write();
 864     //mappa3pnt[i][j][k]->Write();
 865     }
 866     }
 867     }
 868     }
 869   */
 870   xz->Write();
 871   and_tim->Write();
 872   pand_ptim->Write();
 873   fhistos.Close();
 874   file->Close();
 875 }
 876
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