printf("Found %d entries in the tree (must be one per module per event!)\n",nent);
Int_t lay, lad, det;
AliITSgeom *geom = ITS->GetITSgeom();
-
+
+ AliITSDetType *iDetType=ITS->DetType(0);
+ AliITSsegmentationSPD *seg0=(AliITSsegmentationSPD*)iDetType->GetSegmentationModel();
+ printf("SPD dimensions %f %f %f \n",seg0->Dx(),seg0->Dz(),seg0->Dy());
+ printf("SPD npixels %d %d \n",seg0->Npz(),seg0->Npx());
+ printf("SPD pitches %d %d \n",seg0->Dpz(0),seg0->Dpx(0));
+ Float_t SPDlength = seg0->Dz();
+ Float_t SPDwidth = seg0->Dx();
+ Float_t SPDthickness = seg0->Dy();
+ Float_t xpitch = seg0->Dpx(0);
+ if(SPDlength > 80000) SPDthickness = 150;
+ Float_t ylim;
+ if(SPDthickness < 200) {
+ ylim = SPDthickness/2 - 4;
+ }else{
+ ylim = SPDthickness/2 - 10;
+ }
+
for (Int_t idettype=0;idettype<3;idettype++) {
TClonesArray *ITSclusters = ITS->ClustersAddress(idettype);
Int_t clustersizex = itsclu->NclX();
Int_t clustersizez = itsclu->NclZ();
- // Int_t xstart = itsclu->XStart();
- // Int_t xstop = itsclu->XStop();
Int_t xstart = itsclu->XStartf();
Int_t xstop = itsclu->XStopf();
- Float_t fxstart = xstart*50;
- Float_t fxstop = (xstop+1)*50;
+ Float_t fxstart = xstart*xpitch;
+ Float_t fxstop = (xstop+1)*xpitch;
Float_t zstart = itsclu->ZStart();
Float_t zstop = itsclu->ZStop();
Int_t zend = itsclu->Zend();
Int_t ntrover = itsclu->NTracks();
- Float_t clusterx = itsclu->X();
+ Float_t clusterx = 0;
Float_t clusterz = itsclu->Z();
+
+ Int_t tr0, tr1, tr2;
+ itsclu->GetTracks(tr0,tr1,tr2);
+
+ for(Int_t ii=0;ii<clustersizex;ii++) {
+ clusterx += (xstart+0.5+ii)*xpitch;
+ }
+ clusterx /= clustersizex;
+ clusterz /= clustersizez;
+
Float_t clusterQ = itsclu->Q();
if(lay == 1) occup1 += clusterQ;
Float_t dxprimlast = 10.e+6;
Float_t dzprimlast = 10.e+6;
- Float_t SPDlength = 83600;
- Float_t SPDwidth = 12800;
- Float_t xhit0 = 1e+5;
- Float_t zhit0 = 1e+5;
-
+ Float_t xhit0 = 1e+6;
+ Float_t zhit0 = 1e+6;
for (Int_t hit=0;hit<nhits;hit++) {
// Find coordinate differences between the hit and cluster positions
Int_t track = itsHit->GetTrack();
Int_t dray = 0;
Int_t hitstat = itsHit->GetTrackStatus();
-
Float_t zhit = 10000*itsHit->GetZL();
Float_t xhit = 10000*itsHit->GetXL();
+ Float_t yhit = 10000*itsHit->GetYL();
+ Int_t parent = itsHit->GetParticle()->GetFirstMother();
+ Int_t partcode = itsHit->GetParticle()->GetPdgCode();
+
+ Int_t hitprim = 0;
+
+ if(parent < 0) hitprim = hitprim + 1; // hitprim=1 for the primery
+ // particles
Float_t pxsimL = itsHit->GetPXL(); // the momenta at GEANT points
Float_t pysimL = itsHit->GetPYL();
zhit += SPDlength/2;
xhit += SPDwidth/2;
- Float_t yhit = 10000*itsHit->GetYL();
- if(hitlayer == 1 && hitstat == 66 && yhit > 71) {
+
+
+ if(hitlayer == 1 && hitstat == 66 && yhit > ylim) {
+ //if(hitstat == 66 && hitprim ==1) {
xhit0 = xhit;
zhit0 = zhit;
}
- if(hitlayer == 2 && hitstat == 66 && yhit < -71) {
+
+
+ if(hitlayer == 2 && hitstat == 66 && yhit < -ylim) {
xhit0 = xhit;
zhit0 = zhit;
- }
-
+ }
+
if(hitstat != 68) continue; // Take only the hit if the last
// track point went out from
// the detector.
- if(xhit0 > 9e+4 || zhit0 > 9e+4) continue;
+ if(xhit0 > 1e+5 || zhit0 > 1e+5) continue;
Float_t xmed = (xhit + xhit0)/2;
Float_t zmed = (zhit + zhit0)/2;
Float_t xdif = xmed - clusterx;
Float_t zdif = zmed - clusterz;
+ xhit0 = 1e+6;
+ zhit0 = 1e+6;
+
+ // Consider the hits inside of cluster region only b.b.
+ if((xmed >= fxstart && xmed <= fxstop) && (zmed >= zstart && zmed <= zstop)) {
- // Consider the hits inside of cluster region only
+ // Consider the hits only with the track number equaled to one
+ // of the cluster
+ //if((track == tr0) || (track == tr1) || (track == tr2)) {
- if((xmed >= fxstart && xmed <= fxstop) && (zmed >= zstart && zmed <= zstop)) {
icl = 1;
// part = (TParticle *)particles.UncheckedAt(track);
// Int_t partcode = part->GetPdgCode();
// Int_t primery = gAlice->GetPrimary(track);
- Int_t parent = itsHit->GetParticle()->GetFirstMother();
- Int_t partcode = itsHit->GetParticle()->GetPdgCode();
// partcode (pdgCode): 11 - e-, 13 - mu-, 22 - gamma, 111 - pi0, 211 - pi+
// 310 - K0s, 321 - K+, 2112 - n, 2212 - p, 3122 - lambda
Float_t theta = itsHit->GetParticle()->Theta(); // Theta angle at the
// vertex
//Float_t eta = itsHit->GetParticle()->Eta(); // Pseudo rapidity at the
- // vertex
+ // vertex
+ Float_t y;
if((energy-pz) > 0) {
- Float_t y = 0.5*TMath::Log((energy+pz)/(energy-pz));
+ y = 0.5*TMath::Log((energy+pz)/(energy-pz));
}else{
cout<<" Warning: energy < pz ="<<energy<<","<<pz<<endl;
y = 10;
Float_t pzsim = itsHit->GetPZG();
Float_t psim = TMath::Sqrt(pxsim*pxsim+pysim*pysim+pzsim*pzsim);
- Int_t hitprim = 0;
+ //Int_t hitprim = 0;
if(partcode == 11 && pmod < 6) dray = 1; // delta ray is e-
// at p < 6 MeV/c
// detector and returned
// again
- if(parent < 0) hitprim = hitprim + 1; // hitprim=1 for the primery
+ //if(parent < 0) hitprim = hitprim + 1; // hitprim=1 for the primery
// particles
if(hitprim > 0) noverprim = noverprim + 1;
} // primery particles
} // end of cluster region
+
} // end of hit loop
if(icl == 1) {
// fill ntuple1
- // ntuple1->Fill(clusterlayer,clustersizex,clustersizez,noverlaps,\
-noverprim,dx,dz);
-
if(noverlaps == 0) noverlaps = 1; // cluster contains one or more
// delta rays only
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff