-//_______________________________________________________________________
-void AliDetector::LoadPoints(Int_t)
-{
- //
- // Store x, y, z of all hits in memory
- //
- if (fHits == 0)
- {
- Error("LoadPoints","fHits == 0. Name is %s",GetName());
- return;
- }
- //
- Int_t nhits = fHits->GetEntriesFast();
- if (nhits == 0)
- {
-// Error("LoadPoints","nhits == 0. Name is %s",GetName());
- return;
- }
- Int_t tracks = gAlice->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
- for (Int_t hit=0;hit<nhits;hit++) {
- ahit = dynamic_cast<AliHit*>(fHits->UncheckedAt(hit));
- trk=ahit->GetTrack();
- assert(trk<=tracks);
- 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]++;
- }
- //
- for(trk=0; trk<tracks; ++trk) {
- if(ntrk[trk]) {
- points = new AliPoints();
- points->SetMarkerColor(GetMarkerColor());
- points->SetMarkerSize(GetMarkerSize());
- points->SetDetector(this);
- points->SetParticle(trk);
- points->SetPolyMarker(ntrk[trk],coor[trk],GetMarkerStyle());
- fPoints->AddAt(points,trk);
- delete [] coor[trk];
- coor[trk]=0;
- }
- }
- delete [] coor;
- delete [] ntrk;
- delete [] limi;
-}
-