[u/mrichter/AliRoot.git] / HLT / src / AliL3Merger.cxx

//$Id$

// Author: Uli Frankenfeld <mailto:franken@fi.uib.no>
//*-- Copyright &copy Uli 

#include "AliL3StandardIncludes.h"

#include "AliL3Logging.h"
#include "AliL3Merger.h"
#include "AliL3Track.h"
#include "AliL3TrackSegmentData.h"
#include "AliL3Transform.h"
#include "AliL3TrackArray.h"

#ifdef use_root //use root ntuple for slow merge
#include <TNtuple.h>
#include <TTree.h>
#include <TFile.h>
#endif

/** \class AliL3Merger
<pre>
//_____________________________________________________________
// AliL3Merger
//
// The L3 merger base class
//
</pre>
*/

ClassImp(AliL3Merger)

AliL3Merger::AliL3Merger()
{
  //Default constructor
  fInTrack=0;
  fOutTrack=0;
  fCurrentTracks=0;
  fNIn=0;
}

AliL3Merger::~AliL3Merger()
{
  //Destructor
  DeleteArray();
}

void AliL3Merger::InitMerger(Int_t ntrackarrays,Char_t *tracktype)
{
  //Used to setup all arrays
  
  if(strcmp(tracktype,"AliL3Track")==0) fTrackType='t';
  else if(strcmp(tracktype,"AliL3ConfMapTrack")==0) fTrackType='c';
  else if(strcmp(tracktype,"AliL3HoughTrack")==0) fTrackType='h';
  else
    LOG(AliL3Log::kError,"AliL3Merger::AliL3Merger","Track types")
      <<"Unknown tracktype"<<ENDLOG;
  SetArray(ntrackarrays);
  fCurrentTracks=0;

}

void AliL3Merger::DeleteArray()
{
  for(Int_t i=0; i<fNIn;i++)
    {
      if(!fInTrack[i]) continue;
      delete fInTrack[i];
      fInTrack[i]=0;
    }
  if(fInTrack)
    delete[] fInTrack;
  if(fOutTrack)
    delete fOutTrack;
  fInTrack=0;
  fOutTrack=0;
}

void AliL3Merger::SetArray(Int_t nin)
{
  DeleteArray();//Make sure arrays are cleaned 
  
  fNIn = nin;
  fInTrack = new AliL3TrackArray*[fNIn];
  for(Int_t i=0; i<fNIn;i++)
    {
      if(fTrackType=='h')
	fInTrack[i] = new AliL3TrackArray("AliL3HoughTrack");
      else
	fInTrack[i] = new AliL3TrackArray("AliL3Track");
      
    }
  if(fTrackType=='h')
    fOutTrack= new AliL3TrackArray("AliL3HoughTrack");
  else
    fOutTrack= new AliL3TrackArray("AliL3Track");
}

void AliL3Merger::Reset()
{
  for(Int_t i=0; i<fNIn;i++)
    {
      fInTrack[i]->Reset();
    }
  fOutTrack->Reset();
}

void AliL3Merger::FillTracks(Int_t ntracks, AliL3TrackSegmentData* tr)
{
  //Read tracks from shared memory (or memory)

  AliL3TrackArray *destination = GetInTracks(fCurrentTracks);
  if(Is2Global())
    destination->FillTracks(ntracks, tr, fSlice);
  else
    destination->FillTracks(ntracks, tr);
}

void AliL3Merger::AddAllTracks()
{
  for(Int_t i=0; i<GetNIn();i++)
    {
      AliL3TrackArray *in = GetInTracks(i);
      AliL3TrackArray *out = GetOutTracks();
      out->AddTracks(in);
    }
}

void AliL3Merger::SortGlobalTracks(AliL3Track **tracks, Int_t ntrack)
{
  AliL3Track **tmp = new AliL3Track*[ntrack]; 
  for(Int_t i=0;i<ntrack;i++) tmp[i] = tracks[i];
  Int_t *t = new Int_t[ntrack];
  for(Int_t i=0;i<ntrack;i++) t[i]=-1;
  
  for(Int_t j=0;j<ntrack;j++)
    {
      Double_t minr=300;
      Int_t    mini=0;
      for(Int_t i=0;i<ntrack;i++)
	{
	  if(!tracks[i]) continue;
	  Double_t rr=pow(tracks[i]->GetFirstPointX(),2)+pow(tracks[i]->GetFirstPointY(),2);
	  Double_t r=sqrt(rr);
	  if(r<minr){
	    minr=r;
	    mini=i;
	  }
	}
      t[j]=mini;
      tracks[mini]=0;
    }
  for(Int_t i=0;i<ntrack;i++) tracks[i] = tmp[t[i]];
  delete[] t;
  delete[] tmp;
}


void AliL3Merger::SortTracks(AliL3Track **tracks, Int_t ntrack)
{
  AliL3Track **tmp = new  AliL3Track*[ntrack];
  for(Int_t i=0;i<ntrack;i++) tmp[i] = tracks[i];
  Int_t *t = new Int_t[ntrack];
  for(Int_t i=0;i<ntrack;i++) t[i]=-1;
  
  for(Int_t j=0;j<ntrack;j++)
    {
      Double_t minx=300; 
      Int_t    mini=0;
      for(Int_t i=0;i<ntrack;i++)
	{
	  if(!tracks[i]) continue;
	  if(tracks[i]->GetFirstPointX()<minx)
	    {
	      minx=tracks[i]->GetFirstPointX();
	      mini=i;
	    }     
	}
      t[j]=mini;  
      tracks[mini]=0;
    }
  for(Int_t i=0;i<ntrack;i++) tracks[i] = tmp[t[i]];
  delete[] t;
  delete[] tmp;
}

void AliL3Merger::AddTrack(AliL3TrackArray *mergedtrack,AliL3Track *track)
{
  AliL3Track *t[1];
  t[0] = track;
  MultiMerge(mergedtrack,t,1);
}

AliL3Track * AliL3Merger::MergeTracks(AliL3TrackArray *mergedtrack,AliL3Track *t0,AliL3Track *t1)
{
  AliL3Track *t[2];
  t[0] = t0; 
  t[1] = t1;
  SortTracks(t,2);
  return MultiMerge(mergedtrack,t,2);
}

AliL3Track * AliL3Merger::MultiMerge(AliL3TrackArray *mergedtracks,AliL3Track **tracks, Int_t ntrack)
{
  // merge the tracks!!
  
  //check npoints
  Int_t nps = 0;
  for(Int_t i=0;i<ntrack;i++)
    {
      nps+=tracks[i]->GetNHits();
    }
  if(nps>AliL3Transform::GetNRows())
    {
      LOG(AliL3Log::kWarning,"AliL3Merger::MultiMerge","Adding Points")
	<<AliL3Log::kDec<<"Too many Points: "<<nps<<ENDLOG;
      return 0;
    }
  
  //create new track
  AliL3Track *newtrack = mergedtracks->NextTrack();
  //copy points
  UInt_t * nn = new UInt_t[AliL3Transform::GetNRows()];
  nps = 0;
  
  //  for(Int_t i=0;i<ntrack;i++){
  for(Int_t i=ntrack-1;i>=0;i--)
    {
      memcpy(&nn[nps],tracks[i]->GetHitNumbers(),tracks[i]->GetNHits()*sizeof(UInt_t));
      nps+=tracks[i]->GetNHits();
    }
  AliL3Track *tpf=tracks[0];
  AliL3Track *tpl=tracks[ntrack-1];
  AliL3Track *best = tpf;
  if(tpf->GetNHits()<tpl->GetNHits() && Is2Global())
    best = tpl;//Best means = most points and therefore best fit (in global case)
  
  newtrack->SetNHits(nps);
  newtrack->SetHits(nps,nn);
  newtrack->SetFirstPoint(tpf->GetFirstPointX(),tpf->GetFirstPointY(),tpf->GetFirstPointZ());
  newtrack->SetLastPoint(tpl->GetLastPointX(),tpl->GetLastPointY(),tpl->GetLastPointZ());
  newtrack->SetPt(best->GetPt());
  newtrack->SetPsi(best->GetPsi());
  newtrack->SetTgl(best->GetTgl());
  newtrack->SetCharge(tpf->GetCharge());
  delete [] nn;
  return newtrack;
}

void* AliL3Merger::GetNtuple(char *varlist)
{
#ifdef use_root
  TNtuple* nt = new TNtuple("ntuple","ntuple",varlist);
  return (void*) nt;
#else
  return 0;
#endif
}

void* AliL3Merger::GetNtuple()
{
#ifdef use_root
  TNtuple* nt = new TNtuple("ntuple","ntuple",
			    "dx:dy:dz:dk:dpsi:dtgl:dq:disx:disy:disz:dis:n0:n1:diff:drx:dry:drz");
  return (void*) nt;
#else
  return 0;
#endif
}

Bool_t AliL3Merger::WriteNtuple(char *filename, void* nt)
{
#ifdef use_root
  TNtuple *ntuple=(TNtuple *) nt;
  TFile *f = new TFile(filename,"RECREATE");
  ntuple->Write();
  f->Close();
  delete ntuple; 
  return kTRUE; 
#else
  return kFALSE;
#endif
}

void AliL3Merger::FillNtuple(void *nt,AliL3Track *innertrack,AliL3Track *outertrack)
{
  Float_t data[17];
  if(outertrack->IsPoint()&&innertrack->IsPoint())
    {
      data[0] =Float_t(innertrack->GetPointX()-outertrack->GetPointX());
      data[1] =Float_t(innertrack->GetPointY()-outertrack->GetPointY());
      data[2] =Float_t(innertrack->GetPointZ()-outertrack->GetPointZ());
      data[3] =Float_t(innertrack->GetKappa()-outertrack->GetKappa());
      Double_t psi= innertrack->GetPointPsi() - outertrack->GetPointPsi();
      if(psi>AliL3Transform::Pi()) psi-=AliL3Transform::TwoPi();
      else if(psi<-AliL3Transform::Pi()) psi+=AliL3Transform::TwoPi();
      data[4] =Float_t(psi);
      data[5] =Float_t(innertrack->GetTgl()-outertrack->GetTgl());
      data[6] =Float_t(innertrack->GetCharge()-outertrack->GetCharge());
      data[7] =Float_t(innertrack->GetLastPointX()-outertrack->GetFirstPointX());
      data[8] =Float_t(innertrack->GetLastPointY()-outertrack->GetFirstPointY());
      data[9] =Float_t(innertrack->GetLastPointZ()-outertrack->GetFirstPointZ());
      data[10] =sqrt(pow(data[7],2)+pow(data[8],2)+pow(data[9],2));
      data[11]= outertrack->GetNHits();
      data[12]= innertrack->GetNHits();
      data[13] = Float_t(TrackDiff(innertrack,outertrack));
      data[14]=0;
      data[15]=0;
      data[16]=0;
#ifdef use_root
      TNtuple *ntuple = (TNtuple *) nt;
      ntuple->Fill(data);
#endif
    }
}

void AliL3Merger::FillNtuple(void *nt,Float_t *data)
{
#ifdef use_root
  TNtuple *ntuple = (TNtuple *) nt;
  ntuple->Fill(data);
#endif
}

Double_t AliL3Merger::GetAngle(Double_t a1,Double_t a2)
{
  Double_t da = a1 - a2 + 4*AliL3Transform::Pi();
  da = fmod(da,AliL3Transform::TwoPi());
  if(da>AliL3Transform::Pi()) da = AliL3Transform::TwoPi()-da;
  return da;
}

void AliL3Merger::SetParameter(Double_t maxy, Double_t maxz, Double_t maxkappa, Double_t maxpsi, Double_t maxtgl)
{
  fMaxY = maxy;
  fMaxZ = maxz;
  fMaxKappa = maxkappa;
  fMaxPsi = maxpsi;
  fMaxTgl = maxtgl;
}

Bool_t AliL3Merger::IsTrack(AliL3Track *innertrack,AliL3Track *outertrack)
{
  
  if(innertrack->GetCharge()!=outertrack->GetCharge()) return kFALSE;
  if( (!innertrack->IsPoint()) || (!outertrack->IsPoint()) )  return kFALSE; 
  if(innertrack->GetNHits()+outertrack->GetNHits()>AliL3Transform::GetNRows()) return kFALSE;
  
  if(fabs(innertrack->GetPointY()-outertrack->GetPointY()) >fMaxY) return kFALSE;
  if(fabs(innertrack->GetPointZ()-outertrack->GetPointZ()) >fMaxZ) return kFALSE;
  if(fabs(innertrack->GetKappa()-outertrack->GetKappa())   >fMaxKappa) return kFALSE;
  if(GetAngle(innertrack->GetPointPsi(),outertrack->GetPointPsi()) >fMaxPsi) return kFALSE;
  if(fabs(innertrack->GetTgl()-outertrack->GetTgl()) >fMaxTgl) return kFALSE;
  //if no rejection up to this point: merge!!
  return kTRUE;
}

Bool_t AliL3Merger::IsRTrack(AliL3Track *innertrack,AliL3Track *outertrack)
{
  return IsTrack(innertrack,outertrack);
}

Double_t AliL3Merger::TrackDiff(AliL3Track *innertrack,AliL3Track *outertrack)
{
  Double_t diff =-1;
  Double_t x[4],y[4],z[4],dy[4],dz[4];
  AliL3Track *tracks[2]; 
  
  tracks[0] = innertrack;
  tracks[1] = outertrack;
  SortGlobalTracks(tracks,2);
  innertrack = tracks[0]; 
  outertrack = tracks[1];
  
  x[0] = innertrack->GetFirstPointX();
  x[1] = innertrack->GetLastPointX();
  x[2] = outertrack->GetFirstPointX();
  x[3] = outertrack->GetLastPointX();
  
  y[0] = innertrack->GetFirstPointY();
  y[1] = innertrack->GetLastPointY();
  y[2] = outertrack->GetFirstPointY();
  y[3] = outertrack->GetLastPointY();

  z[0] = innertrack->GetFirstPointZ();
  z[1] = innertrack->GetLastPointZ();
  z[2] = outertrack->GetFirstPointZ();
  z[3] = outertrack->GetLastPointZ();

  
  outertrack->CalculatePoint(x[0]);
  if(!outertrack->IsPoint()) return diff;
  dy[0] = fabs(y[0] - outertrack->GetPointY());
  dz[0] = fabs(z[0] - outertrack->GetPointZ());
  
  outertrack->CalculatePoint(x[1]);
  if(!outertrack->IsPoint()) return diff;
  dy[1] = fabs(y[1] - outertrack->GetPointY());
  dz[1] = fabs(z[1] - outertrack->GetPointZ());
  
  innertrack->CalculatePoint(x[2]);
  if(!innertrack->IsPoint()) return diff;
  dy[2] = fabs(y[2] - innertrack->GetPointY());
  dz[2] = fabs(z[2] - innertrack->GetPointZ());
  
  innertrack->CalculatePoint(x[3]);
  if(!innertrack->IsPoint()) return diff;
  dy[3] = fabs(y[3] - innertrack->GetPointY());
  dz[3] = fabs(z[3] - innertrack->GetPointZ());

  diff=0;
  for(Int_t i=0;i<4;i++)
    diff+=sqrt(dy[i]*dy[i]+dz[i]*dz[i]);
  return diff; 
}

void AliL3Merger::PrintDiff(AliL3Track *innertrack,AliL3Track *outertrack)
{
  if(!innertrack->IsPoint()||!outertrack->IsPoint())
    {
      LOG(AliL3Log::kInformational,"AliL3Merger::PrintDiff","No Points")<<ENDLOG;
      //cerr<<"AliL3Merger::PrintDiff: No Points"<<endl;
      //cerr<<"---------------------------"<<endl;
      return;
    } 
  
  Double_t dx = innertrack->GetPointX()-outertrack->GetPointX();
  Double_t dy = innertrack->GetPointY()-outertrack->GetPointY();
  Double_t dz = innertrack->GetPointZ()-outertrack->GetPointZ();
  Double_t dk = innertrack->GetKappa()-outertrack->GetKappa();
  Double_t dpsi= innertrack->GetPointPsi() - outertrack->GetPointPsi();
  if(dpsi>AliL3Transform::Pi()) dpsi-=AliL3Transform::TwoPi();
  else if(dpsi<-AliL3Transform::Pi())dpsi+=AliL3Transform::TwoPi();
  //Double_t dpsi = GetAngle(innertrack->GetPointPsi(),outertrack->GetPointPsi());
  Double_t dtgl= innertrack->GetTgl()-outertrack->GetTgl();
  Double_t dq =innertrack->GetCharge()-outertrack->GetCharge();
  
  LOG(AliL3Log::kInformational,"AliL3Merger::PrintDiff","Points") <<"dx: "<<dx<<" dy: "<<dy<<" dz: "<<dz<<" dk: "<<dk<<" dpsi: "<<dpsi<<" dtgl: "<<dtgl<<" dq: "<<dq<<ENDLOG;
  //fprintf(stderr,"dx: %4f dy: %4f dz: %4f dk: %4f dpsi: %4f dtgl: %4f dq: %4f\n",dx,dy,dz,dk,dpsi,dtgl,dq);
  //cerr<<"---------------------------"<<endl;
  
}

void AliL3Merger::Print()
{
  // print some infos
  for(Int_t i=0; i<fNIn; i++)
    {
      AliL3TrackArray *ttt= GetInTracks(i);
      for(Int_t j =0;j<ttt->GetNTracks();j++)
	{
	  AliL3Track *track=ttt->GetCheckedTrack(j);
	  if(!track) continue;
	  track->CalculateHelix();
	  //      Double_t angle = atan2(track->GetLastPointY(),track->GetLastPointX());
	  //      if(angle<0) angle+=AliL3Transform::Pi();
	  if(track->CalculatePoint(135))
	    //      if(!track->CalculateEdgePoint(angle)) cerr<<"**************"<<endl;     
	    //      if(track->CalculatePoint(track->GetLastPointX()))
	    //      if(track->CalculatePoint(0))
	    {
	      //      PrintTrack(track);
	      //      track->CalculateReferencePoint(AliL3Transform::Pi()/180.);
	      track->CalculateReferencePoint(0.001);
	      Float_t dx=(float)track->GetPointX()-track->GetPointX();
	      Float_t dy=(float)track->GetPointY()-track->GetPointY();
	      Float_t dz=(float)track->GetPointZ()-track->GetPointZ();
	      LOG(AliL3Log::kInformational,"AliL3Merger::Print","RefPoint") <<"npt: "<<track->GetNHits()<<" dx: "<<dx<<" dy: "<<dy<<" dz: "<<dz<<ENDLOG;
	      
	      //fprintf(stderr,"npt: %3d dx: %8.5f dy: %8.5f dz: %8.5f\n",track->GetNHits(),dx,dy,dz);
	      //cerr<<"---------------------------"<<endl;
	    }
	}  
    }
}

void AliL3Merger::PrintTrack(AliL3Track *track)
{
  fprintf(stderr,"npt: %3d pt: %.2f psi: %.2f tgl: %5.2f q: %2d\n",
	  track->GetNHits(),track->GetPt(),track->GetPsi(),
	  track->GetTgl(),track->GetCharge());
  fprintf(stderr,
	  "x1: %6.2f y1: %6.2f z1: %6.2f xl: %6.2f yl: %6.2f zl: %6.2f\n",
	  track->GetFirstPointX(),track->GetFirstPointY(),track->GetFirstPointZ(),
	  track->GetLastPointX(),track->GetLastPointY(),track->GetLastPointZ());
  if(track->IsPoint())
    {
      fprintf(stderr,
	      "R: %.2f Xc: %.2f Yc: %.2f Xp: %.2f Yp: %.2f Zp: %.2f Psip: %.2f\n",
	      track->GetRadius(),track->GetCenterX(),track->GetCenterY(),
	      track->GetPointX(),track->GetPointY(),track->GetPointZ(),
	      track->GetPointPsi());
    }
}
Commit	Line	Data
4603aa2f	1	//$Id$
4603aa2f	2
b661165c	3	// Author: Uli Frankenfeld <mailto:franken@fi.uib.no>
b661165c	4	//*-- Copyright &copy Uli
108615fc	5
118c26c3	6	#include "AliL3StandardIncludes.h"
118c26c3	7
108615fc	8	#include "AliL3Logging.h"
108615fc	9	#include "AliL3Merger.h"
	10	#include "AliL3Track.h"
	11	#include "AliL3TrackSegmentData.h"
	12	#include "AliL3Transform.h"
	13	#include "AliL3TrackArray.h"
	14
	15	#ifdef use_root //use root ntuple for slow merge
	16	#include <TNtuple.h>
	17	#include <TTree.h>
	18	#include <TFile.h>
	19	#endif
b661165c	20
3e87ef69	21	/** \class AliL3Merger
3e87ef69	22	<pre>
108615fc	23	//_____________________________________________________________
b661165c	24	// AliL3Merger
108615fc	25	//
	26	// The L3 merger base class
	27	//
3e87ef69	28	</pre>
3e87ef69	29	*/
108615fc	30
	31	ClassImp(AliL3Merger)
	32
0a86fbb7	33	AliL3Merger::AliL3Merger()
0a86fbb7	34	{
108615fc	35	//Default constructor
0a86fbb7	36	fInTrack=0;
	37	fOutTrack=0;
	38	fCurrentTracks=0;
	39	fNIn=0;
108615fc	40	}
108615fc	41
0a86fbb7	42	AliL3Merger::~AliL3Merger()
	43	{
	44	//Destructor
	45	DeleteArray();
	46	}
108615fc	47
0a86fbb7	48	void AliL3Merger::InitMerger(Int_t ntrackarrays,Char_t *tracktype)
	49	{
	50	//Used to setup all arrays
5dcd65ea	51
	52	if(strcmp(tracktype,"AliL3Track")==0) fTrackType='t';
	53	else if(strcmp(tracktype,"AliL3ConfMapTrack")==0) fTrackType='c';
	54	else if(strcmp(tracktype,"AliL3HoughTrack")==0) fTrackType='h';
	55	else
	56	LOG(AliL3Log::kError,"AliL3Merger::AliL3Merger","Track types")
	57	<<"Unknown tracktype"<<ENDLOG;
108615fc	58	SetArray(ntrackarrays);
108615fc	59	fCurrentTracks=0;
5dcd65ea	60
108615fc	61	}
108615fc	62
0a86fbb7	63	void AliL3Merger::DeleteArray()
0a86fbb7	64	{
108615fc	65	for(Int_t i=0; i<fNIn;i++)
0a86fbb7	66	{
	67	if(!fInTrack[i]) continue;
	68	delete fInTrack[i];
	69	fInTrack[i]=0;
	70	}
	71	if(fInTrack)
	72	delete[] fInTrack;
	73	if(fOutTrack)
	74	delete fOutTrack;
	75	fInTrack=0;
	76	fOutTrack=0;
108615fc	77	}
108615fc	78
0a86fbb7	79	void AliL3Merger::SetArray(Int_t nin)
	80	{
	81	DeleteArray();//Make sure arrays are cleaned
	82
108615fc	83	fNIn = nin;
0a86fbb7	84	fInTrack = new AliL3TrackArray*[fNIn];
	85	for(Int_t i=0; i<fNIn;i++)
	86	{
	87	if(fTrackType=='h')
	88	fInTrack[i] = new AliL3TrackArray("AliL3HoughTrack");
	89	else
	90	fInTrack[i] = new AliL3TrackArray("AliL3Track");
	91
	92	}
5dcd65ea	93	if(fTrackType=='h')
	94	fOutTrack= new AliL3TrackArray("AliL3HoughTrack");
	95	else
	96	fOutTrack= new AliL3TrackArray("AliL3Track");
108615fc	97	}
108615fc	98
0a86fbb7	99	void AliL3Merger::Reset()
	100	{
	101	for(Int_t i=0; i<fNIn;i++)
	102	{
	103	fInTrack[i]->Reset();
	104	}
108615fc	105	fOutTrack->Reset();
	106	}
	107
0a86fbb7	108	void AliL3Merger::FillTracks(Int_t ntracks, AliL3TrackSegmentData* tr)
0a86fbb7	109	{
108615fc	110	//Read tracks from shared memory (or memory)
0a86fbb7	111
108615fc	112	AliL3TrackArray *destination = GetInTracks(fCurrentTracks);
108615fc	113	if(Is2Global())
494fad94	114	destination->FillTracks(ntracks, tr, fSlice);
108615fc	115	else
	116	destination->FillTracks(ntracks, tr);
	117	}
	118
0a86fbb7	119	void AliL3Merger::AddAllTracks()
	120	{
	121	for(Int_t i=0; i<GetNIn();i++)
	122	{
	123	AliL3TrackArray *in = GetInTracks(i);
	124	AliL3TrackArray *out = GetOutTracks();
	125	out->AddTracks(in);
	126	}
108615fc	127	}
108615fc	128
0a86fbb7	129	void AliL3Merger::SortGlobalTracks(AliL3Track **tracks, Int_t ntrack)
0a86fbb7	130	{
108615fc	131	AliL3Track *tmp = new AliL3Track[ntrack];
	132	for(Int_t i=0;i<ntrack;i++) tmp[i] = tracks[i];
	133	Int_t *t = new Int_t[ntrack];
	134	for(Int_t i=0;i<ntrack;i++) t[i]=-1;
0a86fbb7	135
	136	for(Int_t j=0;j<ntrack;j++)
	137	{
	138	Double_t minr=300;
	139	Int_t mini=0;
	140	for(Int_t i=0;i<ntrack;i++)
	141	{
	142	if(!tracks[i]) continue;
	143	Double_t rr=pow(tracks[i]->GetFirstPointX(),2)+pow(tracks[i]->GetFirstPointY(),2);
	144	Double_t r=sqrt(rr);
	145	if(r<minr){
	146	minr=r;
	147	mini=i;
	148	}
	149	}
	150	t[j]=mini;
	151	tracks[mini]=0;
108615fc	152	}
108615fc	153	for(Int_t i=0;i<ntrack;i++) tracks[i] = tmp[t[i]];
	154	delete[] t;
	155	delete[] tmp;
	156	}
	157
	158
0a86fbb7	159	void AliL3Merger::SortTracks(AliL3Track **tracks, Int_t ntrack)
0a86fbb7	160	{
108615fc	161	AliL3Track *tmp = new AliL3Track[ntrack];
	162	for(Int_t i=0;i<ntrack;i++) tmp[i] = tracks[i];
	163	Int_t *t = new Int_t[ntrack];
	164	for(Int_t i=0;i<ntrack;i++) t[i]=-1;
0a86fbb7	165
	166	for(Int_t j=0;j<ntrack;j++)
	167	{
	168	Double_t minx=300;
	169	Int_t mini=0;
	170	for(Int_t i=0;i<ntrack;i++)
	171	{
	172	if(!tracks[i]) continue;
	173	if(tracks[i]->GetFirstPointX()<minx)
	174	{
	175	minx=tracks[i]->GetFirstPointX();
	176	mini=i;
	177	}
	178	}
	179	t[j]=mini;
	180	tracks[mini]=0;
108615fc	181	}
108615fc	182	for(Int_t i=0;i<ntrack;i++) tracks[i] = tmp[t[i]];
	183	delete[] t;
	184	delete[] tmp;
	185	}
	186
0a86fbb7	187	void AliL3Merger::AddTrack(AliL3TrackArray mergedtrack,AliL3Track track)
0a86fbb7	188	{
108615fc	189	AliL3Track *t[1];
	190	t[0] = track;
	191	MultiMerge(mergedtrack,t,1);
	192	}
	193
0a86fbb7	194	AliL3Track * AliL3Merger::MergeTracks(AliL3TrackArray mergedtrack,AliL3Track t0,AliL3Track *t1)
0a86fbb7	195	{
108615fc	196	AliL3Track *t[2];
	197	t[0] = t0;
	198	t[1] = t1;
	199	SortTracks(t,2);
	200	return MultiMerge(mergedtrack,t,2);
	201	}
	202
0a86fbb7	203	AliL3Track * AliL3Merger::MultiMerge(AliL3TrackArray mergedtracks,AliL3Track *tracks, Int_t ntrack)
	204	{
	205	// merge the tracks!!
	206
	207	//check npoints
108615fc	208	Int_t nps = 0;
0a86fbb7	209	for(Int_t i=0;i<ntrack;i++)
	210	{
	211	nps+=tracks[i]->GetNHits();
	212	}
	213	if(nps>AliL3Transform::GetNRows())
	214	{
	215	LOG(AliL3Log::kWarning,"AliL3Merger::MultiMerge","Adding Points")
	216	<<AliL3Log::kDec<<"Too many Points: "<<nps<<ENDLOG;
	217	return 0;
	218	}
	219
108615fc	220	//create new track
	221	AliL3Track *newtrack = mergedtracks->NextTrack();
	222	//copy points
62bb4b3d	223	UInt_t * nn = new UInt_t[AliL3Transform::GetNRows()];
108615fc	224	nps = 0;
0a86fbb7	225
	226	// for(Int_t i=0;i<ntrack;i++){
	227	for(Int_t i=ntrack-1;i>=0;i--)
	228	{
	229	memcpy(&nn[nps],tracks[i]->GetHitNumbers(),tracks[i]->GetNHits()*sizeof(UInt_t));
	230	nps+=tracks[i]->GetNHits();
	231	}
108615fc	232	AliL3Track *tpf=tracks[0];
108615fc	233	AliL3Track *tpl=tracks[ntrack-1];
4603aa2f	234	AliL3Track *best = tpf;
	235	if(tpf->GetNHits()<tpl->GetNHits() && Is2Global())
	236	best = tpl;//Best means = most points and therefore best fit (in global case)
	237
108615fc	238	newtrack->SetNHits(nps);
	239	newtrack->SetHits(nps,nn);
	240	newtrack->SetFirstPoint(tpf->GetFirstPointX(),tpf->GetFirstPointY(),tpf->GetFirstPointZ());
	241	newtrack->SetLastPoint(tpl->GetLastPointX(),tpl->GetLastPointY(),tpl->GetLastPointZ());
4603aa2f	242	newtrack->SetPt(best->GetPt());
	243	newtrack->SetPsi(best->GetPsi());
	244	newtrack->SetTgl(best->GetTgl());
108615fc	245	newtrack->SetCharge(tpf->GetCharge());
62bb4b3d	246	delete [] nn;
108615fc	247	return newtrack;
	248	}
	249
0a86fbb7	250	void* AliL3Merger::GetNtuple(char *varlist)
0a86fbb7	251	{
108615fc	252	#ifdef use_root
	253	TNtuple* nt = new TNtuple("ntuple","ntuple",varlist);
	254	return (void*) nt;
	255	#else
	256	return 0;
	257	#endif
	258	}
	259
0a86fbb7	260	void* AliL3Merger::GetNtuple()
0a86fbb7	261	{
108615fc	262	#ifdef use_root
108615fc	263	TNtuple* nt = new TNtuple("ntuple","ntuple",
68a27388	264	"dx:dy:dz:dk:dpsi:dtgl:dq:disx:disy:disz:dis:n0:n1:diff:drx:dry:drz");
108615fc	265	return (void*) nt;
	266	#else
	267	return 0;
	268	#endif
	269	}
	270
0a86fbb7	271	Bool_t AliL3Merger::WriteNtuple(char filename, void nt)
0a86fbb7	272	{
108615fc	273	#ifdef use_root
	274	TNtuple ntuple=(TNtuple ) nt;
	275	TFile *f = new TFile(filename,"RECREATE");
	276	ntuple->Write();
	277	f->Close();
	278	delete ntuple;
	279	return kTRUE;
	280	#else
	281	return kFALSE;
	282	#endif
	283	}
	284
0a86fbb7	285	void AliL3Merger::FillNtuple(void nt,AliL3Track innertrack,AliL3Track *outertrack)
0a86fbb7	286	{
108615fc	287	Float_t data[17];
0a86fbb7	288	if(outertrack->IsPoint()&&innertrack->IsPoint())
	289	{
	290	data[0] =Float_t(innertrack->GetPointX()-outertrack->GetPointX());
	291	data[1] =Float_t(innertrack->GetPointY()-outertrack->GetPointY());
	292	data[2] =Float_t(innertrack->GetPointZ()-outertrack->GetPointZ());
	293	data[3] =Float_t(innertrack->GetKappa()-outertrack->GetKappa());
	294	Double_t psi= innertrack->GetPointPsi() - outertrack->GetPointPsi();
5a31e9df	295	if(psi>AliL3Transform::Pi()) psi-=AliL3Transform::TwoPi();
5a31e9df	296	else if(psi<-AliL3Transform::Pi()) psi+=AliL3Transform::TwoPi();
0a86fbb7	297	data[4] =Float_t(psi);
	298	data[5] =Float_t(innertrack->GetTgl()-outertrack->GetTgl());
	299	data[6] =Float_t(innertrack->GetCharge()-outertrack->GetCharge());
	300	data[7] =Float_t(innertrack->GetLastPointX()-outertrack->GetFirstPointX());
	301	data[8] =Float_t(innertrack->GetLastPointY()-outertrack->GetFirstPointY());
	302	data[9] =Float_t(innertrack->GetLastPointZ()-outertrack->GetFirstPointZ());
	303	data[10] =sqrt(pow(data[7],2)+pow(data[8],2)+pow(data[9],2));
	304	data[11]= outertrack->GetNHits();
	305	data[12]= innertrack->GetNHits();
	306	data[13] = Float_t(TrackDiff(innertrack,outertrack));
	307	data[14]=0;
	308	data[15]=0;
	309	data[16]=0;
108615fc	310	#ifdef use_root
0a86fbb7	311	TNtuple ntuple = (TNtuple ) nt;
0a86fbb7	312	ntuple->Fill(data);
108615fc	313	#endif
0a86fbb7	314	}
108615fc	315	}
108615fc	316
0a86fbb7	317	void AliL3Merger::FillNtuple(void nt,Float_t data)
0a86fbb7	318	{
108615fc	319	#ifdef use_root
0a86fbb7	320	TNtuple ntuple = (TNtuple ) nt;
0a86fbb7	321	ntuple->Fill(data);
108615fc	322	#endif
	323	}
	324
0a86fbb7	325	Double_t AliL3Merger::GetAngle(Double_t a1,Double_t a2)
0a86fbb7	326	{
5a31e9df	327	Double_t da = a1 - a2 + 4*AliL3Transform::Pi();
	328	da = fmod(da,AliL3Transform::TwoPi());
	329	if(da>AliL3Transform::Pi()) da = AliL3Transform::TwoPi()-da;
108615fc	330	return da;
	331	}
	332
0a86fbb7	333	void AliL3Merger::SetParameter(Double_t maxy, Double_t maxz, Double_t maxkappa, Double_t maxpsi, Double_t maxtgl)
0a86fbb7	334	{
108615fc	335	fMaxY = maxy;
	336	fMaxZ = maxz;
	337	fMaxKappa = maxkappa;
	338	fMaxPsi = maxpsi;
	339	fMaxTgl = maxtgl;
	340	}
	341
0a86fbb7	342	Bool_t AliL3Merger::IsTrack(AliL3Track innertrack,AliL3Track outertrack)
	343	{
	344
108615fc	345	if(innertrack->GetCharge()!=outertrack->GetCharge()) return kFALSE;
108615fc	346	if( (!innertrack->IsPoint()) \|\| (!outertrack->IsPoint()) ) return kFALSE;
68a27388	347	if(innertrack->GetNHits()+outertrack->GetNHits()>AliL3Transform::GetNRows()) return kFALSE;
0a86fbb7	348
108615fc	349	if(fabs(innertrack->GetPointY()-outertrack->GetPointY()) >fMaxY) return kFALSE;
	350	if(fabs(innertrack->GetPointZ()-outertrack->GetPointZ()) >fMaxZ) return kFALSE;
	351	if(fabs(innertrack->GetKappa()-outertrack->GetKappa()) >fMaxKappa) return kFALSE;
	352	if(GetAngle(innertrack->GetPointPsi(),outertrack->GetPointPsi()) >fMaxPsi) return kFALSE;
	353	if(fabs(innertrack->GetTgl()-outertrack->GetTgl()) >fMaxTgl) return kFALSE;
	354	//if no rejection up to this point: merge!!
	355	return kTRUE;
	356	}
	357
0a86fbb7	358	Bool_t AliL3Merger::IsRTrack(AliL3Track innertrack,AliL3Track outertrack)
0a86fbb7	359	{
108615fc	360	return IsTrack(innertrack,outertrack);
	361	}
	362
0a86fbb7	363	Double_t AliL3Merger::TrackDiff(AliL3Track innertrack,AliL3Track outertrack)
0a86fbb7	364	{
108615fc	365	Double_t diff =-1;
	366	Double_t x[4],y[4],z[4],dy[4],dz[4];
	367	AliL3Track *tracks[2];
0a86fbb7	368
108615fc	369	tracks[0] = innertrack;
	370	tracks[1] = outertrack;
	371	SortGlobalTracks(tracks,2);
	372	innertrack = tracks[0];
	373	outertrack = tracks[1];
4603aa2f	374
108615fc	375	x[0] = innertrack->GetFirstPointX();
	376	x[1] = innertrack->GetLastPointX();
	377	x[2] = outertrack->GetFirstPointX();
	378	x[3] = outertrack->GetLastPointX();
0a86fbb7	379
108615fc	380	y[0] = innertrack->GetFirstPointY();
	381	y[1] = innertrack->GetLastPointY();
	382	y[2] = outertrack->GetFirstPointY();
	383	y[3] = outertrack->GetLastPointY();
	384
	385	z[0] = innertrack->GetFirstPointZ();
	386	z[1] = innertrack->GetLastPointZ();
	387	z[2] = outertrack->GetFirstPointZ();
	388	z[3] = outertrack->GetLastPointZ();
	389
4603aa2f	390
108615fc	391	outertrack->CalculatePoint(x[0]);
	392	if(!outertrack->IsPoint()) return diff;
	393	dy[0] = fabs(y[0] - outertrack->GetPointY());
	394	dz[0] = fabs(z[0] - outertrack->GetPointZ());
4603aa2f	395
108615fc	396	outertrack->CalculatePoint(x[1]);
	397	if(!outertrack->IsPoint()) return diff;
	398	dy[1] = fabs(y[1] - outertrack->GetPointY());
	399	dz[1] = fabs(z[1] - outertrack->GetPointZ());
4603aa2f	400
108615fc	401	innertrack->CalculatePoint(x[2]);
	402	if(!innertrack->IsPoint()) return diff;
	403	dy[2] = fabs(y[2] - innertrack->GetPointY());
	404	dz[2] = fabs(z[2] - innertrack->GetPointZ());
4603aa2f	405
108615fc	406	innertrack->CalculatePoint(x[3]);
	407	if(!innertrack->IsPoint()) return diff;
	408	dy[3] = fabs(y[3] - innertrack->GetPointY());
	409	dz[3] = fabs(z[3] - innertrack->GetPointZ());
	410
	411	diff=0;
	412	for(Int_t i=0;i<4;i++)
	413	diff+=sqrt(dy[i]dy[i]+dz[i]dz[i]);
	414	return diff;
	415	}
	416
c3dd27a3	417	void AliL3Merger::PrintDiff(AliL3Track innertrack,AliL3Track outertrack)
c3dd27a3	418	{
0a86fbb7	419	if(!innertrack->IsPoint()\|\|!outertrack->IsPoint())
	420	{
	421	LOG(AliL3Log::kInformational,"AliL3Merger::PrintDiff","No Points")<<ENDLOG;
	422	//cerr<<"AliL3Merger::PrintDiff: No Points"<<endl;
	423	//cerr<<"---------------------------"<<endl;
	424	return;
	425	}
	426
108615fc	427	Double_t dx = innertrack->GetPointX()-outertrack->GetPointX();
	428	Double_t dy = innertrack->GetPointY()-outertrack->GetPointY();
	429	Double_t dz = innertrack->GetPointZ()-outertrack->GetPointZ();
	430	Double_t dk = innertrack->GetKappa()-outertrack->GetKappa();
c3dd27a3	431	Double_t dpsi= innertrack->GetPointPsi() - outertrack->GetPointPsi();
5a31e9df	432	if(dpsi>AliL3Transform::Pi()) dpsi-=AliL3Transform::TwoPi();
5a31e9df	433	else if(dpsi<-AliL3Transform::Pi())dpsi+=AliL3Transform::TwoPi();
c3dd27a3	434	//Double_t dpsi = GetAngle(innertrack->GetPointPsi(),outertrack->GetPointPsi());
108615fc	435	Double_t dtgl= innertrack->GetTgl()-outertrack->GetTgl();
108615fc	436	Double_t dq =innertrack->GetCharge()-outertrack->GetCharge();
0a86fbb7	437
c3dd27a3	438	LOG(AliL3Log::kInformational,"AliL3Merger::PrintDiff","Points") <<"dx: "<<dx<<" dy: "<<dy<<" dz: "<<dz<<" dk: "<<dk<<" dpsi: "<<dpsi<<" dtgl: "<<dtgl<<" dq: "<<dq<<ENDLOG;
	439	//fprintf(stderr,"dx: %4f dy: %4f dz: %4f dk: %4f dpsi: %4f dtgl: %4f dq: %4f\n",dx,dy,dz,dk,dpsi,dtgl,dq);
	440	//cerr<<"---------------------------"<<endl;
	441
108615fc	442	}
108615fc	443
0a86fbb7	444	void AliL3Merger::Print()
0a86fbb7	445	{
108615fc	446	// print some infos
0a86fbb7	447	for(Int_t i=0; i<fNIn; i++)
	448	{
	449	AliL3TrackArray *ttt= GetInTracks(i);
	450	for(Int_t j =0;j<ttt->GetNTracks();j++)
	451	{
	452	AliL3Track *track=ttt->GetCheckedTrack(j);
	453	if(!track) continue;
	454	track->CalculateHelix();
	455	// Double_t angle = atan2(track->GetLastPointY(),track->GetLastPointX());
5a31e9df	456	// if(angle<0) angle+=AliL3Transform::Pi();
0a86fbb7	457	if(track->CalculatePoint(135))
	458	// if(!track->CalculateEdgePoint(angle)) cerr<<"**************"<<endl;
	459	// if(track->CalculatePoint(track->GetLastPointX()))
	460	// if(track->CalculatePoint(0))
	461	{
	462	// PrintTrack(track);
5a31e9df	463	// track->CalculateReferencePoint(AliL3Transform::Pi()/180.);
0a86fbb7	464	track->CalculateReferencePoint(0.001);
	465	Float_t dx=(float)track->GetPointX()-track->GetPointX();
	466	Float_t dy=(float)track->GetPointY()-track->GetPointY();
	467	Float_t dz=(float)track->GetPointZ()-track->GetPointZ();
	468	LOG(AliL3Log::kInformational,"AliL3Merger::Print","RefPoint") <<"npt: "<<track->GetNHits()<<" dx: "<<dx<<" dy: "<<dy<<" dz: "<<dz<<ENDLOG;
	469
	470	//fprintf(stderr,"npt: %3d dx: %8.5f dy: %8.5f dz: %8.5f\n",track->GetNHits(),dx,dy,dz);
	471	//cerr<<"---------------------------"<<endl;
	472	}
	473	}
	474	}
108615fc	475	}
108615fc	476
0a86fbb7	477	void AliL3Merger::PrintTrack(AliL3Track *track)
0a86fbb7	478	{
108615fc	479	fprintf(stderr,"npt: %3d pt: %.2f psi: %.2f tgl: %5.2f q: %2d\n",
0a86fbb7	480	track->GetNHits(),track->GetPt(),track->GetPsi(),
0a86fbb7	481	track->GetTgl(),track->GetCharge());
108615fc	482	fprintf(stderr,
0a86fbb7	483	"x1: %6.2f y1: %6.2f z1: %6.2f xl: %6.2f yl: %6.2f zl: %6.2f\n",
	484	track->GetFirstPointX(),track->GetFirstPointY(),track->GetFirstPointZ(),
	485	track->GetLastPointX(),track->GetLastPointY(),track->GetLastPointZ());
	486	if(track->IsPoint())
	487	{
	488	fprintf(stderr,
	489	"R: %.2f Xc: %.2f Yc: %.2f Xp: %.2f Yp: %.2f Zp: %.2f Psip: %.2f\n",
	490	track->GetRadius(),track->GetCenterX(),track->GetCenterY(),
	491	track->GetPointX(),track->GetPointY(),track->GetPointZ(),
	492	track->GetPointPsi());
	493	}
108615fc	494	}