/* History of cvs commits:
*
* $Log$
+ * Revision 1.6 2007/08/22 09:20:50 hristov
+ * Updated QA classes (Yves)
+ *
+ * Revision 1.5 2007/07/11 13:43:30 hristov
+ * New class AliESDEvent, backward compatibility with the old AliESD (Christian)
+ *
+ * Revision 1.4 2007/05/04 14:49:29 policheh
+ * AliPHOSRecPoint inheritance from AliCluster
+ *
+ * Revision 1.3 2007/04/25 19:39:42 kharlov
+ * Track extracpolation improved
+ *
+ * Revision 1.2 2007/04/01 19:16:52 kharlov
+ * D.P.: Produce EMCTrackSegments using TPC/ITS tracks (no CPV)
+ *
*
*/
#include "AliPHOSTrackSegmentMakerv2.h"
#include "AliPHOSTrackSegment.h"
#include "AliPHOSLink.h"
-#include "AliPHOSGetter.h"
-#include "AliESD.h"
+#include "AliPHOSEmcRecPoint.h"
+#include "AliPHOSCpvRecPoint.h"
+
+#include "AliESDEvent.h"
#include "AliESDtrack.h"
ClassImp( AliPHOSTrackSegmentMakerv2)
fWrite(kFALSE),
fNTrackSegments(0),
fRtpc(0.f),
+ fVtx(0.,0.,0.),
fLinkUpArray(0),
+ fTPCtracks(),
fEmcFirst(0),
fEmcLast(0),
fModule(0),
- fTrackSegmentsInRun(0)
-
+ fTrackSegments(NULL)
{
// default ctor (to be used mainly by Streamer)
+
+ for(Int_t i=0; i<5; i++)fNtpcTracks[i]=0 ;
InitParameters() ;
- for(Int_t i =0 ; i<5; i++)fTPC[i]=0 ;
}
//____________________________________________________________________________
-AliPHOSTrackSegmentMakerv2::AliPHOSTrackSegmentMakerv2(const TString & alirunFileName, const TString & eventFolderName) :
- AliPHOSTrackSegmentMaker(alirunFileName, eventFolderName),
+AliPHOSTrackSegmentMakerv2::AliPHOSTrackSegmentMakerv2(AliPHOSGeometry *geom) :
+ AliPHOSTrackSegmentMaker(geom),
fDefaultInit(kFALSE),
fWrite(kFALSE),
fNTrackSegments(0),
fRtpc(0.f),
+ fVtx(0.,0.,0.),
fLinkUpArray(0),
+ fTPCtracks(),
fEmcFirst(0),
fEmcLast(0),
fModule(0),
- fTrackSegmentsInRun(0)
+ fTrackSegments(NULL)
{
// ctor
+ for(Int_t i=0; i<5; i++)fNtpcTracks[i]=0 ;
+
InitParameters() ;
Init() ;
fESD = 0;
fWrite(kFALSE),
fNTrackSegments(0),
fRtpc(0.f),
+ fVtx(0.,0.,0.),
fLinkUpArray(0),
+ fTPCtracks(),
fEmcFirst(0),
fEmcLast(0),
fModule(0),
- fTrackSegmentsInRun(0)
+ fTrackSegments(NULL)
{
// cpy ctor: no implementation yet
// requested by the Coding Convention
// fDefaultInit = kTRUE if TrackSegmentMaker created by default ctor (to get just the parameters)
if (!fDefaultInit)
delete fLinkUpArray ;
- for(Int_t imod=0; imod<5; imod++){
- if(fTPC[imod]) delete fTPC[imod] ;
+ if (fTrackSegments) {
+ fTrackSegments->Delete();
+ delete fTrackSegments;
}
}
-//____________________________________________________________________________
-const TString AliPHOSTrackSegmentMakerv2::BranchName() const
-{
-
- return GetName() ;
-}
-
//____________________________________________________________________________
void AliPHOSTrackSegmentMakerv2::FillOneModule()
{
// Finds first and last indexes between which
// clusters from one PHOS module are
- AliPHOSGetter * gime = AliPHOSGetter::Instance() ;
- const AliPHOSGeometry * geom = gime->PHOSGeometry() ;
-
- TObjArray * emcRecPoints = gime->EmcRecPoints() ;
-
//First EMC clusters
- Int_t totalEmc = emcRecPoints->GetEntriesFast() ;
+ Int_t totalEmc = fEMCRecPoints->GetEntriesFast() ;
for(fEmcFirst = fEmcLast; (fEmcLast < totalEmc) &&
- ((dynamic_cast<AliPHOSRecPoint *>(emcRecPoints->At(fEmcLast)))->GetPHOSMod() == fModule );
+ ((static_cast<AliPHOSRecPoint *>(fEMCRecPoints->At(fEmcLast)))->GetPHOSMod() == fModule );
fEmcLast ++) ;
//Now TPC tracks
//Do it ones, only first time
if(fModule==1){
Int_t nTracks = fESD->GetNumberOfTracks();
+
+ Int_t nPHOSmod = fGeom->GetNModules() ;
+ if(fTPCtracks[0].size()<(UInt_t)nTracks){
+ for(Int_t i=0; i<nPHOSmod; i++)
+ fTPCtracks[i].resize(nTracks) ;
+ }
+ for(Int_t i=0; i<5; i++)fNtpcTracks[i]=0 ;
TVector3 inPHOS ;
//In this particular case we use fixed vertex position at zero
Double_t vtx[3]={0.,0.,0.} ;
AliESDtrack *track;
Double_t xyz[3] ;
- Int_t nPHOSmod = geom->GetNModules() ;
- for(Int_t imod=0 ; imod< nPHOSmod; imod++){
- fTPC[imod]->Clear() ;
- }
- Double_t rEMC = geom->GetIPtoCrystalSurface() ; //Use here ideal geometry
+ Double_t rEMC = fGeom->GetIPtoCrystalSurface() ; //Use here ideal geometry
for (Int_t iTrack=0; iTrack<nTracks; iTrack++) {
track = fESD->GetTrack(iTrack);
- if (!track->GetXYZAt(rEMC, fESD->GetMagneticField(), xyz))
- continue; //track coord on the cylinder of PHOS radius
- if ((TMath::Abs(xyz[0])+TMath::Abs(xyz[1])+TMath::Abs(xyz[2]))<=0)
- continue;
- //Check if this track hits PHOS
- inPHOS.SetXYZ(xyz[0],xyz[1],xyz[2]);
- Int_t modNum ;
- Double_t x,z ;
- geom->ImpactOnEmc(vtx, inPHOS.Theta(), inPHOS.Phi(), modNum, x,z) ;
- if(modNum>0 && modNum<=nPHOSmod){
- //Mark this track as one belonging to module
- fTPC[modNum-1]->AddLast(track) ;
+ for(Int_t iTestMod=1; iTestMod<=nPHOSmod; iTestMod++){
+ Double_t modAngle=270.+fGeom->GetPHOSAngle(iTestMod) ;
+ modAngle*=TMath::Pi()/180. ;
+ track->Rotate(modAngle);
+ if (!track->GetXYZAt(rEMC, fESD->GetMagneticField(), xyz))
+ continue; //track coord on the cylinder of PHOS radius
+ if ((TMath::Abs(xyz[0])+TMath::Abs(xyz[1])+TMath::Abs(xyz[2]))<=0)
+ continue;
+ //Check if this track hits PHOS
+ inPHOS.SetXYZ(xyz[0],xyz[1],xyz[2]);
+ Int_t modNum ;
+ Double_t x,z ;
+ fGeom->ImpactOnEmc(vtx, inPHOS.Theta(), inPHOS.Phi(), modNum, z, x) ;
+ if(modNum==iTestMod){
+ //Mark this track as one belonging to module
+ TrackInPHOS_t &t = fTPCtracks[modNum-1][fNtpcTracks[modNum-1]++] ;
+ t.track = track ;
+ t.x = x ;
+ t.z = z ;
+ break ;
+ }
}
}
}
// Calculates the distance between the EMC RecPoint and the CPV RecPoint
// Clusters are sorted in "rows" and "columns" of width 1 cm
- const AliPHOSGeometry * geom = AliPHOSGeometry::GetInstance() ;
- TVector3 emcGlobal; // Global position of the CPV recpoint
- geom->GetGlobal((AliRecPoint*)emcClu,emcGlobal);
- Double_t rEMC = emcGlobal.Pt() ;// Radius from IP to current point
-
-// printf("EMC: x=%f, y=%f, z=%f \n",emcGlobal.X(),emcGlobal.Y(),emcGlobal.Z()) ;
+ TVector3 emcGlobal; // Global position of the EMC recpoint
+ fGeom->GetGlobalPHOS((AliPHOSRecPoint*)emcClu,emcGlobal);
+ //Calculate actual distance to the PHOS surface
+ Double_t modAngle=270.+fGeom->GetPHOSAngle(emcClu->GetPHOSMod()) ;
+ modAngle*=TMath::Pi()/180. ;
+ Double_t rEMC = emcGlobal.X()*TMath::Cos(modAngle)+emcGlobal.Y()*TMath::Sin(modAngle) ;
+ track->Rotate(modAngle);
Double_t xyz[3] ;
- if (track->GetXYZAt(rEMC, fESD->GetMagneticField(), xyz)){ //calculate distance
-// printf("xyz: x=%f, y=%f, z=%f \n",xyz[0],xyz[1],xyz[2]) ;
- dx=TMath::Sqrt((emcGlobal.X()-xyz[0])*(emcGlobal.X()-xyz[0])+(emcGlobal.Y()-xyz[1])*(emcGlobal.Y()-xyz[1])) ;
- dx=TMath::Sign(dx,(Float_t)(emcGlobal.X()-xyz[0])) ; //set direction
- dz=emcGlobal.Z()-xyz[2] ;
-// printf(" dx=%f, dz=%f \n",dx,dz) ;
+ if(!track->GetXYZAt(rEMC, fESD->GetMagneticField(), xyz)){
+ dx=999. ;
+ dz=999. ;
+ return ; //track coord on the cylinder of PHOS radius
}
- else{
+ if((TMath::Abs(xyz[0])+TMath::Abs(xyz[1])+TMath::Abs(xyz[2]))<=0){
dx=999. ;
dz=999. ;
- }
+ return ;
+ }
+
+ dx=(emcGlobal.X()-xyz[0])*TMath::Sin(modAngle)-(emcGlobal.Y()-xyz[1])*TMath::Cos(modAngle) ;
+ dx=TMath::Sign(dx,(Float_t)(emcGlobal.X()-xyz[0])) ; //set direction
+ dz=emcGlobal.Z()-xyz[2] ;
return ;
}
{
// Make all memory allocations that are not possible in default constructor
- AliPHOSGetter* gime = AliPHOSGetter::Instance();
- if(!gime)
- gime = AliPHOSGetter::Instance(GetTitle(), fEventFolderName.Data());
-
fLinkUpArray = new TClonesArray("AliPHOSLink", 1000);
- if ( !gime->TrackSegmentMaker() ) {
- gime->PostTrackSegmentMaker(this);
- }
- AliPHOSGeometry * geom = gime->PHOSGeometry() ;
- Int_t nMod = geom->GetNModules() ;
- for(Int_t imod=0; imod<nMod ; imod++){
- fTPC[imod]=new TList() ;
- }
+ fTrackSegments = new TClonesArray("AliPHOSTrackSegment",100);
}
//____________________________________________________________________________
fEmcLast = 0 ;
fLinkUpArray = 0 ;
fWrite = kTRUE ;
- fTrackSegmentsInRun = 0 ;
- SetEventRange(0,-1) ;
}
//____________________________________________________________________________
-void AliPHOSTrackSegmentMakerv2::MakeLinks()const
+void AliPHOSTrackSegmentMakerv2::MakeLinks()
{
// Finds distances (links) between all EMC and CPV clusters,
// which are not further apart from each other than fRcpv
// and sort them in accordance with this distance
- AliPHOSGetter * gime = AliPHOSGetter::Instance() ;
- TObjArray * emcRecPoints = gime->EmcRecPoints() ;
-
fLinkUpArray->Clear() ;
AliPHOSEmcRecPoint * emcclu ;
Int_t iEmcRP;
for(iEmcRP = fEmcFirst; iEmcRP < fEmcLast; iEmcRP++ ) {
- emcclu = dynamic_cast<AliPHOSEmcRecPoint *>(emcRecPoints->At(iEmcRP)) ;
+ emcclu = static_cast<AliPHOSEmcRecPoint *>(fEMCRecPoints->At(iEmcRP)) ;
+ TVector3 vecEmc ;
+ emcclu->GetLocalPosition(vecEmc) ;
Int_t mod=emcclu->GetPHOSMod() ;
- TIter next(fTPC[mod-1]) ;
- AliESDtrack *track ;
- Int_t itrack=0 ;
- while((track= static_cast<AliESDtrack *>(next()))){
- itrack = track->GetID() ;
- Float_t dx,dz ;
- GetDistanceInPHOSPlane(emcclu, track, dx,dz) ;
- if(TMath::Sqrt(dx*dx+dz*dz) < fRtpc ){
+ for(Int_t itr=0; itr<fNtpcTracks[mod-1] ; itr++){
+ TrackInPHOS_t &t = fTPCtracks[mod-1][itr] ;
+ //calculate raw distance
+ Double_t rawdx = t.x - vecEmc.X() ;
+ Double_t rawdz = t.z - vecEmc.Z() ;
+ if(TMath::Sqrt(rawdx*rawdx+rawdz*rawdz)<fRtpc){
+ Float_t dx,dz ;
+ //calculate presize difference accounting misalignment
+ GetDistanceInPHOSPlane(emcclu, t.track, dx,dz) ;
+ Int_t itrack = t.track->GetID() ;
new ((*fLinkUpArray)[iLinkUp++]) AliPHOSLink(dx, dz, iEmcRP, itrack, -1) ;
}
}
}
-
fLinkUpArray->Sort() ; //first links with smallest distances
}
// unassigned RecParticles. We assign these RecPoints to TrackSegment and
// remove them from the list of "unassigned".
- AliPHOSGetter * gime = AliPHOSGetter::Instance() ;
-
- TObjArray * emcRecPoints = gime->EmcRecPoints() ;
- TClonesArray * trackSegments = gime->TrackSegments();
-
//Make arrays to mark clusters already chosen
Int_t * emcExist = 0;
+
if(fEmcLast > fEmcFirst)
emcExist = new Int_t[fEmcLast-fEmcFirst] ;
+ else
+ AliFatal(Form("fEmcLast > fEmcFirst: %d > %d is not true!",fEmcLast,fEmcFirst));
Int_t index;
for(index = 0; index <fEmcLast-fEmcFirst; index ++)
emcExist[index] = 1 ;
- Int_t * tpcExist = 0;
- Int_t nTracks = fTPC[fModule-1]->GetSize() ;
+ Bool_t * tpcExist = 0;
+ Int_t nTracks = fESD->GetNumberOfTracks();
if(nTracks>0)
- tpcExist = new Int_t[nTracks] ;
+ tpcExist = new Bool_t[nTracks] ;
for(index = 0; index <nTracks; index ++)
tpcExist[index] = 1 ;
if(tpcExist[linkUp->GetCpv()]){ //Track still exist
Float_t dx,dz ;
linkUp->GetXZ(dx,dz) ;
- new ((* trackSegments)[fNTrackSegments])
- AliPHOSTrackSegment(dynamic_cast<AliPHOSEmcRecPoint *>(emcRecPoints->At(linkUp->GetEmc())) ,
+ new ((* fTrackSegments)[fNTrackSegments])
+ AliPHOSTrackSegment(static_cast<AliPHOSEmcRecPoint *>(fEMCRecPoints->At(linkUp->GetEmc())) ,
nullpointer,
linkUp->GetTrack(),dx,dz) ;
- (dynamic_cast<AliPHOSTrackSegment *>(trackSegments->At(fNTrackSegments)))->SetIndexInList(fNTrackSegments);
+ (static_cast<AliPHOSTrackSegment *>(fTrackSegments->At(fNTrackSegments)))->SetIndexInList(fNTrackSegments);
fNTrackSegments++ ;
emcExist[linkUp->GetEmc()-fEmcFirst] = -1 ; //Mark emc that Cpv was found
//mark track as already used
Int_t iEmcRP ;
for(iEmcRP = 0; iEmcRP < fEmcLast-fEmcFirst ; iEmcRP++ ){
if(emcExist[iEmcRP] > 0 ){
- new ((*trackSegments)[fNTrackSegments])
- AliPHOSTrackSegment(dynamic_cast<AliPHOSEmcRecPoint *>(emcRecPoints->At(iEmcRP+fEmcFirst)),
+ new ((*fTrackSegments)[fNTrackSegments])
+ AliPHOSTrackSegment(static_cast<AliPHOSEmcRecPoint *>(fEMCRecPoints->At(iEmcRP+fEmcFirst)),
nullpointer) ;
- (dynamic_cast<AliPHOSTrackSegment *>(trackSegments->At(fNTrackSegments)))->SetIndexInList(fNTrackSegments);
+ (static_cast<AliPHOSTrackSegment *>(fTrackSegments->At(fNTrackSegments)))->SetIndexInList(fNTrackSegments);
fNTrackSegments++;
}
}
}
//____________________________________________________________________________
-void AliPHOSTrackSegmentMakerv2::Exec(Option_t *option)
+void AliPHOSTrackSegmentMakerv2::Clusters2TrackSegments(Option_t *option)
{
// Steering method to perform track segment construction for events
// in the range from fFirstEvent to fLastEvent.
return ;
}
- AliPHOSGetter * gime = AliPHOSGetter::Instance() ;
-
- const AliPHOSGeometry * geom = gime->PHOSGeometry() ;
-
- if (fLastEvent == -1)
- fLastEvent = gime->MaxEvent() - 1 ;
- else
- fLastEvent = TMath::Min(fFirstEvent,gime->MaxEvent());
- Int_t nEvents = fLastEvent - fFirstEvent + 1;
-
- Int_t ievent ;
- for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) {
- gime->Event(ievent,"DR") ;
- //Make some initializations
- fNTrackSegments = 0 ;
- fEmcFirst = 0 ;
- fEmcLast = 0 ;
+ //Make some initializations
+ fNTrackSegments = 0 ;
+ fEmcFirst = 0 ;
+ fEmcLast = 0 ;
- gime->TrackSegments()->Clear();
+ fTrackSegments->Clear();
- // if(!ReadRecPoints(ievent)) continue; //reads RecPoints for event ievent
+ // if(!ReadRecPoints(ievent)) continue; //reads RecPoints for event ievent
- for(fModule = 1; fModule <= geom->GetNModules() ; fModule++ ) {
- FillOneModule() ;
- MakeLinks() ;
- MakePairs() ;
- }
-
- WriteTrackSegments() ;
+ for(fModule = 1; fModule <= fGeom->GetNModules() ; fModule++ ) {
+ FillOneModule() ;
+ MakeLinks() ;
+ MakePairs() ;
+ }
- if(strstr(option,"deb"))
- PrintTrackSegments(option);
+ if(strstr(option,"deb"))
+ PrintTrackSegments(option);
- //increment the total number of track segments per run
- fTrackSegmentsInRun += gime->TrackSegments()->GetEntriesFast() ;
- }
-
if(strstr(option,"tim")){
gBenchmark->Stop("PHOSTSMaker");
- Info("Exec", "took %f seconds for making TS %f seconds per event",
- gBenchmark->GetCpuTime("PHOSTSMaker"),
- gBenchmark->GetCpuTime("PHOSTSMaker")/nEvents) ;
- }
- if(fWrite) //do not unload in "on flight" mode
- Unload();
-}
-//____________________________________________________________________________
-void AliPHOSTrackSegmentMakerv2::Unload()
-{
- // Unloads the task from the folder
- AliPHOSGetter * gime = AliPHOSGetter::Instance() ;
- gime->PhosLoader()->UnloadRecPoints() ;
- gime->PhosLoader()->UnloadTracks() ;
+ Info("Exec", "took %f seconds for making TS",
+ gBenchmark->GetCpuTime("PHOSTSMaker"));
+ }
}
//____________________________________________________________________________
}
else
Info("Print", "AliPHOSTrackSegmentMakerv2 not initialized ") ;
-}
-
-//____________________________________________________________________________
-void AliPHOSTrackSegmentMakerv2::WriteTrackSegments()
-{
- // Writes found TrackSegments to TreeR. Creates branches
- // "PHOSTS" and "AliPHOSTrackSegmentMaker" with the same title.
- // In the former branch found TrackSegments are stored, while
- // in the latter all parameters, with which TS were made.
- // ROOT does not allow overwriting existing branches, therefore
- // first we check, if branches with the same title already exist.
- // If yes - exits without writing.
-
- AliPHOSGetter *gime = AliPHOSGetter::Instance() ;
- TClonesArray * trackSegments = gime->TrackSegments() ;
- trackSegments->Expand(trackSegments->GetEntriesFast()) ;
-
- if(fWrite){ //We write TreeT
- TTree * treeT = gime->TreeT();
-
- //First TS
- Int_t bufferSize = 32000 ;
- TBranch * tsBranch = treeT->Branch("PHOSTS",&trackSegments,bufferSize);
- tsBranch->Fill() ;
-
- gime->WriteTracks("OVERWRITE");
- gime->WriteTrackSegmentMaker("OVERWRITE");
- }
}
-
//____________________________________________________________________________
void AliPHOSTrackSegmentMakerv2::PrintTrackSegments(Option_t * option)
{
// option deb - prints # of found TrackSegments
// option deb all - prints as well indexed of found RecParticles assigned to the TS
- TClonesArray * trackSegments = AliPHOSGetter::Instance()->TrackSegments() ;
-
Info("PrintTrackSegments", "Results from TrackSegmentMaker:") ;
- printf("nevent: %d\n", gAlice->GetEvNumber()) ;
- printf(" Found %d TrackSegments\n", trackSegments->GetEntriesFast() );
+ printf(" Found %d TrackSegments\n", fTrackSegments->GetEntriesFast() );
if(strstr(option,"all")) { // printing found TS
printf("TrackSegment # EMC RP# CPV RP#\n") ;
Int_t index;
- for (index = 0 ; index <trackSegments->GetEntriesFast() ; index++) {
- AliPHOSTrackSegment * ts = (AliPHOSTrackSegment * )trackSegments->At(index) ;
+ for (index = 0 ; index <fTrackSegments->GetEntriesFast() ; index++) {
+ AliPHOSTrackSegment * ts = (AliPHOSTrackSegment * )fTrackSegments->At(index) ;
printf(" %d %d %d \n", ts->GetIndexInList(), ts->GetEmcIndex(), ts->GetTrackIndex() ) ;
}
}