MUON/MUONtestnew.C

   1 void MUONtestnew (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 do some analysis.
   7 //
   8 /////////////////////////////////////////////////////////////////////////
   9
  10 // Dynamically link some shared libs
  11
  12     if (gClassTable->GetID("AliRun") < 0) {
  13         gSystem->Load("$ALITOP/cern.so/lib/libpdfDUMMY.so");
  14         gSystem->Load("$ALITOP/cern.so/lib/libPythia.so");
  15         gSystem->Load("$ROOTSYS/lib/libEG.so");
  16         gSystem->Load("$ROOTSYS/lib/libEGPythia.so");
  17         gSystem->Load("libGeant3Dummy.so");    //a dummy version of Geant3
  18         gSystem->Load("PHOS/libPHOSdummy.so"); //the standard Alice classes
  19         gSystem->Load("libgalice.so");         // the standard Alice classes
  20     }
  21 // Connect the Root Galice file containing Geometry, Kine and Hits
  22
  23     TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject("galice.root");
  24
  25
  26     if (!file) {
  27         printf("\n Creating galice.root \n");
  28         file = new TFile("galice.root");
  29     } else {
  30         printf("\n galice.root found in file list");
  31     }
  32     file->ls();
  33
  34 // Get AliRun object from file or create it if not on file
  35     if (!gAlice) {
  36         gAlice = (AliRun*)(file->Get("gAlice"));
  37         if (gAlice) printf("AliRun object found on file\n");
  38         if (!gAlice) {
  39             printf("\n create new gAlice object");
  40             gAlice = new AliRun("gAlice","Alice test program");
  41         }
  42     }
  43
  44 //  Create some histograms
  45
  46
  47    TH1F *ccharge1 = new TH1F("ccharge1","Cluster Charge distribution"
  48                            ,100,0.,500.);
  49    TH1F *pcharge1 = new TH1F("pcharge1","Pad      Charge distribution"
  50                            ,100,0.,200.);
  51    TH1F *xresid1  = new TH1F("xresid1","x-Residuals"
  52                            ,100,-0.5,0.5);
  53    TH1F *yresid1  = new TH1F("yresid1","y-Residuals"
  54                            ,100,-0.2,0.2);
  55    TH1F *npads1   = new TH1F("npads1" ,"Pads per Hit"
  56                            ,20,-0.5,19.5);
  57    TH2F *xresys1  = new TH2F("xresys1","x-Residuals systematics"
  58                            ,50,-2.0,2.0,100,-1.0,1.0);
  59    TH2F *yresys1  = new TH2F("yresys1","y-Residuals systematics"
  60                            ,50,-0.4,0.4,100,-0.1,0.1);
  61
  62    TH1F *ccharge2 = new TH1F("ccharge2","Cluster Charge distribution"
  63                            ,100,0.,500.);
  64    TH1F *pcharge2 = new TH1F("pcharge2","Pad      Charge distribution"
  65                            ,100,0.,200.);
  66    TH1F *xresid2  = new TH1F("xresid2","x-Residuals"
  67                            ,100,-0.5,0.5);
  68    TH1F *yresid2  = new TH1F("yresid2","y-Residuals"
  69                            ,100,-0.2,0.2);
  70    TH1F *npads2   = new TH1F("npads2" ,"Pads per Hit"
  71                            ,20,-0.5,19.5);
  72    TH2F *xresys2  = new TH2F("xresys2","x-Residuals systematics"
  73                            ,50,-2.0,2.0,100,-1.0,1.0);
  74    TH2F *yresys2  = new TH2F("yresys2","y-Residuals systematics"
  75                            ,50,-0.4,0.4,100,-0.1,0.1);
  76
  77
  78    AliMUONchamber*  iChamber;
  79 //
  80 //   Loop over events
  81 //
  82    Int_t Nh=0;
  83    Int_t Nh1=0;
  84    for (Int_t nev=0; nev<= evNumber2; nev++) {
  85        cout << "nev         " << nev <<endl;
  86        Int_t nparticles = gAlice->GetEvent(nev);
  87        cout << "nparticles  " << nparticles <<endl;
  88        if (nev < evNumber1) continue;
  89        if (nparticles <= 0) return;
  90
  91        AliMUON *MUON  = (AliMUON*) gAlice->GetDetector("MUON");
  92            printf("\n track %d %d \n ", nev, MUON);
  93
  94        TTree *TH = gAlice->TreeH();
  95        Int_t ntracks = TH->GetEntries();
  96        Int_t Nc=0;
  97        Int_t   npad[2];
  98        Float_t Q[2], xmean[2],ymean[2],xres[2],yres[2], xonpad[2], yonpad[2];
  99 //
 100 //   Loop over events
 101 //
 102        for (Int_t track=0; track<ntracks;track++) {
 103
 104            gAlice->ResetHits();
 105            Int_t nbytes += TH->GetEvent(track);
 106            if (MUON)  {
 107                for(AliMUONhit* mHit=(AliMUONhit*)MUON->FirstHit(-1);
 108                    mHit;
 109                    mHit=(AliMUONhit*)MUON->NextHit())
 110                {
 111                    Int_t   nch   = mHit->fChamber;  // chamber number
 112                    Float_t x     = mHit->fX;        // x-pos of hit
 113                    Float_t y     = mHit->fY;        // y-pos
 114 //
 115 //
 116                    iChamber = & MUON->Chamber(nch-1);
 117                    response=iChamber->GetResponseModel();
 118 //
 119 //
 120                    if (nch <= 1) {
 121                        for (Int_t i=0; i<2; i++) {
 122                            xmean[i]=0;
 123                            ymean[i]=0;
 124                            Q[i]=0;
 125                            npad[i]=0;
 126                        }
 127                        for (AliMUONcluster *mPad=(AliMUONcluster*)MUON
 128                                 ->FirstPad(mHit);
 129                             mPad;
 130                             mPad=(AliMUONcluster*)MUON->NextPad()
 131                            )
 132                        {
 133                            Int_t nseg     = mPad->fCathode;   // segmentation
 134                            Int_t nhit     = mPad->fHitNumber; // hit number
 135                            Int_t qtot     = mPad->fQ;         // charge
 136                            Int_t ipx      = mPad->fPadX;      // pad number on X
 137                            Int_t ipy      = mPad->fPadY;      // pad number on Y
 138                            Int_t iqpad    = mPad->fQpad;      // charge per pad
 139                            Int_t secpad   = mPad->fRSec;      // r-pos of pad
 140 //
 141 //
 142                            segmentation=iChamber->GetSegmentationModel(nseg);
 143                            Int_t ind=nseg-1;
 144 //                     printf("Pad of hit, padx, pady, iqpad, ncha %d %d %d %d %d %d\n",
 145 //                            nhit, ipx, ipy, iqpad, nseg, ind);
 146
 147
 148                            if (nseg == 1) {
 149                                pcharge1->Fill(iqpad,(float) 1);
 150                                ccharge1->Fill(qtot ,(float) 1);
 151                            }  else {
 152                                pcharge2->Fill(iqpad,(float) 1);
 153                                ccharge2->Fill(qtot ,(float) 1);
 154                            }
 155 // Calculate centre of gravity
 156 //
 157                            if (iqpad == 0 && ind==0) {
 158                                printf("\n attention iqpad 0");
 159                            }
 160
 161                            if (iqpad >  0 && secpad==1) {
 162                                Float_t xc,yc;
 163                                npad[ind]++;
 164                                segmentation->GetPadCxy(ipx,ipy,xc,yc);
 165 //                             printf("\n pad %d %d   ", ipx, ipy);
 166 //                             printf("\n pos %f %f   ",  xc,  yc);
 167                                xmean[ind]+=Float_t(iqpad*xc);
 168                                ymean[ind]+=Float_t(iqpad*yc);
 169                                Q[ind]+=iqpad;
 170                            }
 171
 172                        } //pad hit loop
 173                        for (Int_t i=0; i<2; i++) {
 174                            segmentation = iChamber->GetSegmentationModel(i+1);
 175
 176 //                         if (npad[i] ==0) {
 177 //                             printf("\n #pads=0 %f %f",x,y);
 178 //                         }
 179
 180                            if (Q[i] >0) {
 181                                xmean[i] = xmean[i]/Q[i];
 182                                xres[i]  = xmean[i]-x;
 183                                ymean[i] = ymean[i]/Q[i];
 184                                yres[i]  = ymean[i]-y;
 185 //                             printf("\n xmean, ymean %f %f",xmean[i],ymean[i]);
 186 //                             printf("\n xhit, yhit %f %f",x,y);
 187
 188 // Systematic Error
 189 //
 190                                Int_t icx, icy;
 191                                segmentation->
 192                                    GetPadIxy(x,y,icx,icy);
 193                                segmentation->
 194                                    GetPadCxy(icx,icy,xonpad[i],yonpad[i]);
 195                                xonpad[i]-=x;
 196                                yonpad[i]-=y;
 197                            }
 198                        } // plane loop
 199                        xresid1->Fill(xres[0],(float) 1);
 200                        yresid1->Fill(yres[0],(float) 1);
 201                        npads1->Fill(npad[0],(float) 1);
 202                        if (npad[0] >=2 && Q[0] > 6 ) {
 203                            xresys1->Fill(xonpad[0],xres[0],(float) 1);
 204                            yresys1->Fill(yonpad[0],yres[0],(float) 1);
 205                        }
 206
 207                        xresid2->Fill(xres[1],(float) 1);
 208                        yresid2->Fill(yres[1],(float) 1);
 209                        npads2->Fill(npad[1],(float) 1);
 210                        if (npad[1] >=2 && Q[1] > 6) {
 211                            xresys2->Fill(xonpad[1],xres[1],(float) 1);
 212                            yresys2->Fill(yonpad[1],yres[1],(float) 1);
 213                        }
 214                    } // chamber 1
 215                } // hit loop
 216            } // if MUON
 217        } // track loop
 218    } // event loop
 219
 220 //Create a canvas, set the view range, show histograms
 221    TCanvas *c1 = new TCanvas("c1","Charge and Residuals",400,10,600,700);
 222    pad11 = new TPad("pad11"," ",0.01,0.51,0.49,0.99);
 223    pad12 = new TPad("pad12"," ",0.51,0.51,0.99,0.99);
 224    pad13 = new TPad("pad13"," ",0.01,0.01,0.49,0.49);
 225    pad14 = new TPad("pad14"," ",0.51,0.01,0.99,0.49);
 226    pad11->SetFillColor(11);
 227    pad12->SetFillColor(11);
 228    pad13->SetFillColor(11);
 229    pad14->SetFillColor(11);
 230    pad11->Draw();
 231    pad12->Draw();
 232    pad13->Draw();
 233    pad14->Draw();
 234
 235    pad11->cd();
 236    ccharge1->SetFillColor(42);
 237    ccharge1->SetXTitle("ADC units");
 238    ccharge1->Draw();
 239
 240    pad12->cd();
 241    pcharge1->SetFillColor(42);
 242    pcharge1->SetXTitle("ADC units");
 243    pcharge1->Draw();
 244
 245    pad13->cd();
 246    xresid1->SetFillColor(42);
 247    xresid1->Draw();
 248
 249    pad14->cd();
 250    yresid1->SetFillColor(42);
 251    yresid1->Draw();
 252
 253    TCanvas *c2 = new TCanvas("c2","Cluster Size",400,10,600,700);
 254    pad21 = new TPad("pad21"," ",0.01,0.51,0.49,0.99);
 255    pad22 = new TPad("pad22"," ",0.51,0.51,0.99,0.99);
 256    pad23 = new TPad("pad23"," ",0.01,0.01,0.49,0.49);
 257    pad24 = new TPad("pad24"," ",0.51,0.01,0.99,0.49);
 258    pad21->SetFillColor(11);
 259    pad22->SetFillColor(11);
 260    pad23->SetFillColor(11);
 261    pad24->SetFillColor(11);
 262    pad21->Draw();
 263    pad22->Draw();
 264    pad23->Draw();
 265    pad24->Draw();
 266
 267    pad21->cd();
 268    npads1->SetFillColor(42);
 269    npads1->SetXTitle("Cluster Size");
 270    npads1->Draw();
 271
 272    pad23->cd();
 273    xresys1->SetXTitle("x on pad");
 274    xresys1->SetYTitle("x-xcog");
 275    xresys1->Draw();
 276
 277    pad24->cd();
 278    yresys1->SetXTitle("y on pad");
 279    yresys1->SetYTitle("y-ycog");
 280    yresys1->Draw();
 281
 282    TCanvas *c3 = new TCanvas("c3","Charge and Residuals",400,10,600,700);
 283    pad31 = new TPad("pad31"," ",0.01,0.51,0.49,0.99);
 284    pad32 = new TPad("pad32"," ",0.51,0.51,0.99,0.99);
 285    pad33 = new TPad("pad33"," ",0.01,0.01,0.49,0.49);
 286    pad34 = new TPad("pad34"," ",0.51,0.01,0.99,0.49);
 287    pad31->SetFillColor(11);
 288    pad32->SetFillColor(11);
 289    pad33->SetFillColor(11);
 290    pad34->SetFillColor(11);
 291    pad31->Draw();
 292    pad32->Draw();
 293    pad33->Draw();
 294    pad34->Draw();
 295
 296    pad31->cd();
 297    ccharge2->SetFillColor(42);
 298    ccharge2->SetXTitle("ADC units");
 299    ccharge2->Draw();
 300
 301    pad32->cd();
 302    pcharge2->SetFillColor(42);
 303    pcharge2->SetXTitle("ADC units");
 304    pcharge2->Draw();
 305
 306    pad33->cd();
 307    xresid2->SetFillColor(42);
 308    xresid2->Draw();
 309
 310    pad34->cd();
 311    yresid2->SetFillColor(42);
 312    yresid2->Draw();
 313
 314    TCanvas *c4 = new TCanvas("c4","Cluster Size",400,10,600,700);
 315    pad41 = new TPad("pad41"," ",0.01,0.51,0.49,0.99);
 316    pad42 = new TPad("pad42"," ",0.51,0.51,0.99,0.99);
 317    pad43 = new TPad("pad43"," ",0.01,0.01,0.49,0.49);
 318    pad44 = new TPad("pad44"," ",0.51,0.01,0.99,0.49);
 319    pad41->SetFillColor(11);
 320    pad42->SetFillColor(11);
 321    pad43->SetFillColor(11);
 322    pad44->SetFillColor(11);
 323    pad41->Draw();
 324    pad42->Draw();
 325    pad43->Draw();
 326    pad44->Draw();
 327
 328    pad41->cd();
 329    npads2->SetFillColor(42);
 330    npads2->SetXTitle("Cluster Size");
 331    npads2->Draw();
 332
 333    pad43->cd();
 334    xresys2->SetXTitle("x on pad");
 335    xresys2->SetYTitle("x-xcog");
 336    xresys2->Draw();
 337
 338    pad44->cd();
 339    yresys2->SetXTitle("y on pad");
 340    yresys2->SetYTitle("y-ycog");
 341    yresys2->Draw();
 342
 343 }