-//_____________________________________________________________________________
-void AliTPC::LoadPoints2(Int_t)
-{
- //
- // Store x, y, z of all hits in memory
- //
- // if (fTrackHits == 0 && fTrackHitsOld==0) return;
- if (fTrackHits == 0 ) return;
- //
- Int_t nhits =0;
- if (fHitType&4) nhits = fTrackHits->GetEntriesFast();
- // if (fHitType&2) nhits = fTrackHitsOld->GetEntriesFast();
-
- if (nhits == 0) return;
- Int_t tracks = gAlice->GetMCApp()->GetNtrack();
- if (fPoints == 0) fPoints = new TObjArray(tracks);
- AliHit *ahit;
- //
- Int_t *ntrk=new Int_t[tracks];
- Int_t *limi=new Int_t[tracks];
- Float_t **coor=new Float_t*[tracks];
- for(Int_t i=0;i<tracks;i++) {
- ntrk[i]=0;
- coor[i]=0;
- limi[i]=0;
- }
- //
- AliPoints *points = 0;
- Float_t *fp=0;
- Int_t trk;
- Int_t chunk=nhits/4+1;
- //
- // Loop over all the hits and store their position
- //
- ahit = FirstHit2(-1);
- while (ahit){
- trk=ahit->GetTrack();
- if(ntrk[trk]==limi[trk]) {
- //
- // Initialise a new track
- fp=new Float_t[3*(limi[trk]+chunk)];
- if(coor[trk]) {
- memcpy(fp,coor[trk],sizeof(Float_t)*3*limi[trk]);
- delete [] coor[trk];
- }
- limi[trk]+=chunk;
- coor[trk] = fp;
- } else {
- fp = coor[trk];
- }
- fp[3*ntrk[trk] ] = ahit->X();
- fp[3*ntrk[trk]+1] = ahit->Y();
- fp[3*ntrk[trk]+2] = ahit->Z();
- ntrk[trk]++;
- ahit = NextHit2();
- }
-
-
-
- //
- for(trk=0; trk<tracks; ++trk) {
- if(ntrk[trk]) {
- points = new AliPoints();
- points->SetMarkerColor(kYellow); //PH kYellow it the default in TPC
- points->SetMarkerSize(1);//PH Default size=1
- points->SetDetector(this);
- points->SetParticle(trk);
- points->SetPolyMarker(ntrk[trk],coor[trk],1); // Default style=1
- fPoints->AddAt(points,trk);
- delete [] coor[trk];
- coor[trk]=0;
- }
- }
- delete [] coor;
- delete [] ntrk;
- delete [] limi;
-}
-
-
-//_____________________________________________________________________________
-void AliTPC::LoadPoints3(Int_t)
-{
- //
- // Store x, y, z of all hits in memory
- // - only intersection point with pad row
- if (fTrackHits == 0) return;
- //
- Int_t nhits = fTrackHits->GetEntriesFast();
- if (nhits == 0) return;
- Int_t tracks = gAlice->GetMCApp()->GetNtrack();
- if (fPoints == 0) fPoints = new TObjArray(2*tracks);
- fPoints->Expand(2*tracks);
- AliHit *ahit;
- //
- Int_t *ntrk=new Int_t[tracks];
- Int_t *limi=new Int_t[tracks];
- Float_t **coor=new Float_t*[tracks];
- for(Int_t i=0;i<tracks;i++) {
- ntrk[i]=0;
- coor[i]=0;
- limi[i]=0;
- }
- //
- AliPoints *points = 0;
- Float_t *fp=0;
- Int_t trk;
- Int_t chunk=nhits/4+1;
- //
- // Loop over all the hits and store their position
- //
- ahit = FirstHit2(-1);
-
- Int_t lastrow = -1;
- while (ahit){
- trk=ahit->GetTrack();
- Float_t x[3]={ahit->X(),ahit->Y(),ahit->Z()};
- Int_t index[3]={1,((AliTPChit*)ahit)->fSector,0};
- Int_t currentrow = fTPCParam->GetPadRow(x,index) ;
- if (currentrow!=lastrow){
- lastrow = currentrow;
- //later calculate intersection point
- if(ntrk[trk]==limi[trk]) {
- //
- // Initialise a new track
- fp=new Float_t[3*(limi[trk]+chunk)];
- if(coor[trk]) {
- memcpy(fp,coor[trk],sizeof(Float_t)*3*limi[trk]);
- delete [] coor[trk];
- }
- limi[trk]+=chunk;
- coor[trk] = fp;
- } else {
- fp = coor[trk];
- }
- fp[3*ntrk[trk] ] = ahit->X();
- fp[3*ntrk[trk]+1] = ahit->Y();
- fp[3*ntrk[trk]+2] = ahit->Z();
- ntrk[trk]++;
- }
- ahit = NextHit2();
- }
-
- //
- for(trk=0; trk<tracks; ++trk) {
- if(ntrk[trk]) {
- points = new AliPoints();
- points->SetMarkerColor(kMagenta); //PH kYellow + 1 is kMagenta
- points->SetMarkerStyle(5);
- points->SetMarkerSize(0.2);
- points->SetDetector(this);
- points->SetParticle(trk);
- points->SetPolyMarker(ntrk[trk],coor[trk],30);
- fPoints->AddAt(points,tracks+trk);
- delete [] coor[trk];
- coor[trk]=0;
- }
- }
- delete [] coor;
- delete [] ntrk;
- delete [] limi;
-}
-
-