tr_new.C File Reference

Functions
void	BookHistsV ()
void	ClearHistsV ()
void	d ()
void	DrawHistsV ()
void	DrawHlist (TCanvas *c, TObjArray h)
void	FillHistsV (Vertex &v)
void	td ()
void	tr_new (const char *rcut="nseg>=2&&t.eFlag>-1")
void	vd (int trmin=3, int trmax=100, float amin=.015, float amax=2.)

Variables
float	dpp = .5
EdbDataProc *	dproc =0
EdbDisplay *	ds =0
EdbPVRec *	gAli =0
EdbVertexRec *	gEVR =0
TObjArray	hld1
TObjArray	hld2
TObjArray	hld3
TObjArray	hld4
TObjArray	hlist
TH1F *	hp [23] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}
int	MINMULT = 3
float	momentum = 1.
int	nsegMin = 2
float	ProbMinP = 0.01
float	ProbMinV = 0.01
bool	ReFit = true
bool	ReProp = true
bool	usemom = false
bool	UseSegPar = false

Function Documentation

BookHistsV()

void BookHistsV

(

)

---

{
  if (!hp[3]) hp[3] = new TH1F("Hist_Vt_Sx","Vertex X sigma",100,0.,10.);
  if (!hp[4]) hp[4] = new TH1F("Hist_Vt_Sy","Vertex Y sigma",100,0.,10.);
  if (!hp[5]) hp[5] = new TH1F("Hist_Vt_Sz","Vertex Z sigma",100,0.,500.);
  if (!hp[6]) hp[6] = new TH1F("Hist_Vt_Chi2","Vertex Chi-square/D.F.",25,0.,5.);
  if (!hp[7]) hp[7] = new TH1F("Hist_Vt_Prob","Vertex Chi-square Probability",26,0.,1.04);
  if (!hp[9]) hp[9] = new TH1F("Hist_Vt_Nvert","Number of reconstructed vertexs",100,0.,100.);
  if (!hp[22]) hp[22] = new TH1F("Hist_Vt_Ntracks","Number of tracks at vertex", 20, 0.,20.);
  if (!hp[14]) hp[14] = new TH1F("Hist_Vt_Dist","RMS track-vertex distance",100, 0.,50.);
  if (!hp[18]) hp[18] = new TH1F("Hist_Vt_AngleV","RMS track-track angle, mrad", 100, 0.,1000.);
 
  if (!hp[10]) hp[10] = new TH1F("Hist_Vt_Ntrack","Number of reconstructed tracks",100,0.,10000.);
  if (!hp[11]) hp[11] = new TH1F("Hist_Vt_Nsegs","Number of track segments",60,0.,60.);
  if (!hp[12]) hp[12] = new TH1F("Hist_Vt_Dtrack","Track DeltaX, microns",100,-5.,+5.);
  if (!hp[17]) hp[17] = new TH1F("Hist_Vt_Trprob","Track probability",110, 0.,1.1);
  if (!hp[20]) hp[20] = new TH1F("Hist_Vt_Angle","Track angle, mrad", 100, 0.,1000.);
  if (!hp[21]) hp[21] = new TH1F("Hist_Vt_Momen","Track momentum, GeV/c", 100, 0.,20.);
 
  hld1.Add(hp[3]);
  hld1.Add(hp[4]);
  hld1.Add(hp[5]);
  hld1.Add(hp[6]);
  hld1.Add(hp[7]);
  hld1.Add(hp[9]);
  hld1.Add(hp[22]);
  hld1.Add(hp[14]);
  hld1.Add(hp[18]);
 
  hld2.Add(hp[10]);
  hld2.Add(hp[11]);
  hld2.Add(hp[12]);
  hld2.Add(hp[17]);
  hld2.Add(hp[20]);
  hld2.Add(hp[21]);
 
  for (int i=0; i<22; i++)
    if (hp[i]) hlist.Add(hp[i]);
}

ClearHistsV()

void ClearHistsV

(

)

---

{
  for(int i=0; i<22; i++) {
    if (hp[i]) hp[i]->Clear();
  }
}

d()

void d

(

)

---

{ DrawHistsV();}

DrawHistsV()

void DrawHistsV

(

)

---

{
 
  int n = hld1.GetEntries();
  if (n)
  {
    TCanvas *cv1 = new TCanvas("Vertex_reconstruction_1","MC Vertex reconstruction", 760, 760);
    DrawHlist(cv1, hld1);
  }
 
  n = hld2.GetEntries();
  if (n)
  {
    TCanvas *cv2 = new TCanvas("Vertex_reconstruction_2","Vertex reconstruction (tracks hists)", 600, 760);
    DrawHlist(cv2, hld2);
  }
 
  n = hld3.GetEntries();
  if (n)
  {
    TCanvas *cv3 = new TCanvas("Vertex_reconstruction_3","Vertex reconstruction (eff hists)", 600, 760);
    DrawHlist(cv3, hld3);
  }
 
  n = hld4.GetEntries();
  if (n)
  {
    TCanvas *cv4 = new TCanvas("Vertex_reconstruction_4","Vertex reconstruction (ntracks)", 600, 760);
    DrawHlist(cv4, hld4);
  }
}

DrawHlist()

void DrawHlist	(	TCanvas *	c,
		TObjArray	h
	)

---

{
  int n = h.GetEntries();
  if (n < 2)
  {
  }
  else if (n < 3)
  {
    c->Divide(1,2);    
  }
  else if (n < 4)
  {
    c->Divide(1,3);    
  }
  else if (n < 5)
  {
    c->Divide(2,2);    
  }
  else if (n < 6)
  {
    c->Divide(2,3);    
  }
  else if (n < 7)
  {
    c->Divide(2,3);    
  }
  else if (n < 8)
  {
    c->Divide(2,4);    
  }
  else if (n < 9)
  {
    c->Divide(2,4);    
  }
  else if (n < 10)
  {
    c->Divide(3,3);    
  }
  else if (n < 11)
  {
    c->Divide(2,5);    
  }
  else
  {
    c->Divide(3,5);    
  }
  for(int i=0; i<n; i++) {
    c->cd(i+1);
    if (h.At(i)) h.At(i)->Draw();
  }
}

FillHistsV()

void FillHistsV

(

Vertex &

v

)

---

{
  hp[3]->Fill(v.vxerr());
  hp[4]->Fill(v.vyerr());
  hp[5]->Fill(v.vzerr());
  hp[6]->Fill(v.ndf() > 0 ? v.chi2()/v.ndf() : 0);
  hp[7]->Fill(v.prob());
  hp[14]->Fill(v.rmsDistAngle());
  hp[18]->Fill(v.angle()*1000.);
  hp[22]->Fill(v.ntracks());
}

td()

void td

(

)

{
  TObjArray *trarr=gAli->eTracks;
  gStyle->SetPalette(1);
 
  const char *title = "display-tracks";
  if(!EdbDisplay::EdbDisplayExist(title)) 
    ds=new EdbDisplay(title,-50000.,50000.,-50000., 50000., -4000.,80000.);
 
  ds->SetVerRec(gEVR);
  ds->SetDrawTracks(4);
  ds->SetArrTr( trarr );
  ds->Draw();
}

tr_new()

void tr_new

(

const char *

rcut = "nseg>=2&&t.eFlag>-1"

)

{
  BookHistsV();
 
  dproc = new EdbDataProc("ref1.def");
  dproc->InitVolume(100, rcut);
 
  gAli = dproc->PVR();
 
  int ntr = gAli->eTracks->GetEntries();
  printf("\n%d tracks are in the list\n",ntr);
 
  EdbTrackP *tra = 0;
  int ntrgood = 0;
  for(int i=0; i<ntr; i++)
  {
    tra = ((EdbTrackP*)(gAli->eTracks->At(i)));
    if (tra->Flag() >= 0) ntrgood++;
  }
  printf("\n%d good tracks are in the list\n",ntrgood);
 
  if (ReFit)
  {
    for(int i=0; i<ntr; i++)
    {
    tra = ((EdbTrackP*)(gAli->eTracks->At(i)));
    if (tra->Flag() < 0) continue;   
    tra->SetErrorP(dpp*dpp*momentum*momentum);
    tra->GetSegmentFirst()->SetErrorP(dpp*dpp*momentum*momentum);
    tra->GetSegmentLast()->SetErrorP(dpp*dpp*momentum*momentum);
    }
    gAli->FitTracks(momentum,0.139);
  }
 
  gAli->FillCell(50,50,0.015,0.015);
 
  if (ReProp)
  {
    gAli->PropagateTracks(55,2,ProbMinP);
    ntrgood = 0;
    for(int i=0; i<ntr; i++)
    {
    tra = ((EdbTrackP*)(gAli->eTracks->At(i)));
    if (tra->Flag() >= 0) ntrgood++;
    }
    printf("\n%d good tracks are in the list after additional propagation\n",
        ntrgood);
  }
 
  if (hp[10]) hp[10]->Fill(ntr);
  float ang = 0.;
  float tx  = 0.;
  float ty  = 0.;
  // tracks loop
  ntr = gAli->eTracks->GetEntries();
  int nt = 0;
  for(int i=0; i<ntr; i++) 
  {
    tra = (EdbTrackP*)(gAli->eTracks->At(i));
    if (!tra) continue;
//    tra->Print();
    if (tra->Flag() != -10 && tra->N() >= 2) // skip "broken" tracks
    {
        // fill hist with number of segments
    if (hp[11]) hp[11]->Fill(tra->N());
        // fill hist with difference between measured and reconstructed coordinate
    if (hp[12]) hp[12]->Fill((tra->GetSegment(0))->X()-(tra->GetSegmentF(0))->X());
        // fill hist with track probability
    if (hp[17]) hp[17]->Fill(tra->Prob());
    tx = tra->TX();
    ty = tra->TY();
    ang = TMath::ACos(1./(1.+tx*tx+ty*ty))*1000.;
        // fill hist with track Teta angle
    if (hp[20]) hp[20]->Fill(ang);
        // fill hist with track momentum
    if (hp[21]) hp[21]->Fill(tra->P());
    nt++;
    }
  }
  printf("%d good tracks was found\n",nt);
 
  gEVR = new EdbVertexRec();
  if (!(gAli->eTracks)) gAli->eTracks = new TObjArray(100);
  gEVR->eEdbTracks = gAli->eTracks;
  if (!(gAli->eVTX)) gAli->eVTX = new TObjArray(100);
  gEVR->eVTX       = gAli->eVTX;
  gEVR->ePVR       = gAli;
 
  gEVR->eZbin       = 100.;      // default is 100. microns
  gEVR->eAbin       = 0.01;      // default is 0.01 rad
  gEVR->eDZmax      = 3000.;     // default is 3000. microns
  gEVR->eProbMin    = ProbMinV;  // default 0.01, i.e 1%
  gEVR->eImpMax     = 55.;       // default is 25. microns
  gEVR->eUseSegPar  = UseSegPar; // default is FALSE - use fitted track parameters
  gEVR->eQualityMode= 0;         // 0 - prob/(sx**2+sy**2), 1 = 1./aver_impact
 
  int nvtx = gEVR->FindVertex();
  printf("%d 2-track vertexes was found\n",nvtx);
 
  if(nvtx != 0) {
    int nadd = gEVR->ProbVertexN();
    printf("%d vertexes with number of tracks >2 was found\n",nadd);
    printf("----------------------------------------------\n");
    EdbVertex *v = 0;
    Vertex *vt = 0;
    for(int i=0; i<nvtx; i++)
    {
    v = (EdbVertex*)(gEVR->eVTX->At(i));
    if (!v) continue;
//  if (i<10) v->Print();
    if (v->Flag() < 0) continue;
    vt = v->V();
    if (vt) FillHistsV(*vt);
    }
  }
//  vd();
}

vd()

void vd	(	int	trmin = 3,
		int	trmax = 100,
		float	amin = .015,
		float	amax = 2.
	)

{
  TObjArray *varr = new TObjArray();
  TObjArray *tarr = new TObjArray();
 
  EdbVertex *v=0;
  EdbTrackP *t=0;
 
  int nv = gEVR->eVTX->GetEntries();
  for(int i=0; i<nv; i++) {
    v = (EdbVertex *)(gEVR->eVTX->At(i));
 
    if( v->N()<trmin )                       continue;
    if( v->N()>trmax )                      continue;
    if( v->Flag()<0  )                      continue;
    if( v->N()<3 && v->MaxAperture()<amin )  continue;//
    if( v->N()<3 && v->MaxAperture()>amax )  continue;
 
    varr->Add(v);
    for(int j=0; j<v->N(); j++) tarr->Add( v->GetTrack(j) );
  }
 
  gStyle->SetPalette(1);
  const char *title = "display-vertices";
  if(!EdbDisplay::EdbDisplayExist(title)) 
    ds=new EdbDisplay(title,-30000.,2000., -2000.,42000.,-80000.,80000.);
  
  ds->SetVerRec(gEVR);
  ds->SetArrTr( tarr );
  ds->SetArrV( varr );
  ds->SetDrawTracks(4);
  ds->SetDrawVertex(1);
  ds->Draw();
}

Variable Documentation

dpp

float dpp = .5

dproc

EdbDataProc* dproc =0

ds

EdbDisplay* ds =0

gAli

EdbPVRec* gAli =0

gEVR

EdbVertexRec* gEVR =0

hld1

TObjArray hld1

hld2

TObjArray hld2

hld3

TObjArray hld3

hld4

TObjArray hld4

hlist

TObjArray hlist

hp

TH1F* hp[23] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}

MINMULT

int MINMULT = 3

momentum

float momentum = 1.

nsegMin

int nsegMin = 2

ProbMinP

float ProbMinP = 0.01

ProbMinV

float ProbMinV = 0.01

ReFit

bool ReFit = true

ReProp

bool ReProp = true

usemom

bool usemom = false

UseSegPar

bool UseSegPar = false