fGenerForDownScale=new TRandom3(987654321);
}
+//______________________________________________________________________
+AliITSVertexer3D::AliITSVertexer3D(TRootIOCtor*):
+ AliITSVertexer(),
+ fLines("AliStrLine",1000),
+ fVert3D(),
+ fCoarseDiffPhiCut(0.),
+ fFineDiffPhiCut(0.),
+ fCutOnPairs(0.),
+ fCoarseMaxRCut(0.),
+ fMaxRCut(0.),
+ fMaxRCut2(0.),
+ fZCutDiamond(0.),
+ fMaxZCut(0.),
+ fDCAcut(0.),
+ fDiffPhiMax(0.),
+ fMeanPSelTrk(0.),
+ fMeanPtSelTrk(0.),
+ fUsedCluster(kMaxCluPerMod*kNSPDMod),
+ fZHisto(0),
+ fDCAforPileup(0.),
+ fDiffPhiforPileup(0.),
+ fBinSizeR(0.),
+ fBinSizeZ(0.),
+ fPileupAlgo(0),
+ fMaxNumOfCl(fgkMaxNumOfClDefault),
+ fMaxNumOfClForRebin(fgkMaxNumOfClRebinDefault),
+ fMaxNumOfClForDownScale(fgkMaxNumOfClDownscaleDefault),
+ fNRecPLay1(0),
+ fNRecPLay2(0),
+ f3DBinSize(fgk3DBinSizeDefault),
+ fDoDownScale(kFALSE),
+ fGenerForDownScale(0),
+ f3DPeak(),
+ fHighMultAlgo(1),
+ fSwitchAlgorithm(kFALSE)
+{
+ // I/O constructor
+
+
+}
+
//______________________________________________________________________
AliITSVertexer3D::~AliITSVertexer3D() {
// Destructor
//______________________________________________________________________
void AliITSVertexer3D::ResetVert3D(){
- //
+ // Reset the fVert3D object and reset the used clusters
ResetVertex();
fVert3D.SetXv(0.);
fVert3D.SetYv(0.);
//______________________________________________________________________
void AliITSVertexer3D::FindVertex3D(TTree *itsClusterTree){
-
+ // Instantiates the fCurrentVertex object. calle by FindVertexForCurrenEvent
Double_t vRadius=TMath::Sqrt(fVert3D.GetXv()*fVert3D.GetXv()+fVert3D.GetYv()*fVert3D.GetYv());
if(vRadius<GetPipeRadius() && fVert3D.GetNContributors()>0){
Double_t position[3]={fVert3D.GetXv(),fVert3D.GetYv(),fVert3D.GetZv()};
//______________________________________________________________________
void AliITSVertexer3D::FindVertex3DIterative(){
- //
+ // find vertex if fPileupAlgo == 2
Int_t nLines=fLines.GetEntriesFast();
Int_t maxPoints=nLines*(nLines-1)/2;