#include "Riostream.h"
#include "AliITSReconstructor.h"
+#include "AliRun.h"
#include "AliRunLoader.h"
#include "AliRawReader.h"
-#include "AliITSclustererV2.h"
+#include "AliITSDetTypeRec.h"
#include "AliITSLoader.h"
#include "AliITStrackerMI.h"
+#include "AliITStrackerV2.h"
#include "AliITStrackerSA.h"
#include "AliITSVertexerIons.h"
#include "AliITSVertexerFast.h"
#include "AliITSpidESD.h"
#include "AliITSpidESD1.h"
#include "AliITSpidESD2.h"
-#include "AliV0vertexer.h"
-#include "AliCascadeVertexer.h"
+#include "AliITSInitGeometry.h"
ClassImp(AliITSReconstructor)
//___________________________________________________________________________
-AliITSReconstructor::AliITSReconstructor() : AliReconstructor(){
+AliITSReconstructor::AliITSReconstructor() : AliReconstructor(),
+fItsPID(0)
+{
// Default constructor
- fItsPID=0;
}
//___________________________________________________________________________
AliITSReconstructor::~AliITSReconstructor(){
delete fItsPID;
}
//______________________________________________________________________
-AliITSReconstructor::AliITSReconstructor(const AliITSReconstructor &ob) :AliReconstructor(ob) {
+AliITSReconstructor::AliITSReconstructor(const AliITSReconstructor &ob) :AliReconstructor(ob),
+fItsPID(ob.fItsPID)
+{
// Copy constructor
- // Copies are not allowed. The method is protected to avoid misuse.
- Error("AliITSpidESD2","Copy constructor not allowed\n");
}
//______________________________________________________________________
-AliITSReconstructor& AliITSReconstructor::operator=(const AliITSReconstructor& /* ob */){
+AliITSReconstructor& AliITSReconstructor::operator=(const AliITSReconstructor& ob ){
// Assignment operator
- // Assignment is not allowed. The method is protected to avoid misuse.
- Error("= operator","Assignment operator not allowed\n");
+ this->~AliITSReconstructor();
+ new(this) AliITSReconstructor(ob);
return *this;
}
+//______________________________________________________________________
+void AliITSReconstructor::Init(AliRunLoader *runLoader) const{
+ // Initalize this constructor bet getting/creating the objects
+ // nesseary for a proper ITS reconstruction.
+ // Inputs:
+ // AliRunLoader *runLoader Pointer to the run loader to allow
+ // the getting of files/folders data
+ // needed to do reconstruction
+ // Output:
+ // none.
+ // Return:
+ // none.
+
+ AliITSInitGeometry initgeom;
+ AliITSgeom *geom = initgeom.CreateAliITSgeom();
+ AliInfo(Form("Geometry name: %s",(initgeom.GetGeometryName()).Data()));
+ AliITSLoader* loader = static_cast<AliITSLoader*>
+ (runLoader->GetLoader("ITSLoader"));
+ if (!loader) {
+ Error("Init", "ITS loader not found");
+ return;
+ }
+ loader->SetITSgeom(geom);
+ return;
+}
//_____________________________________________________________________________
void AliITSReconstructor::Reconstruct(AliRunLoader* runLoader) const
{
// reconstruct clusters
- AliITSLoader *loader = (AliITSLoader *)runLoader->GetLoader("ITSLoader");
+ AliITSLoader* loader = static_cast<AliITSLoader*>(runLoader->GetLoader("ITSLoader"));
if (!loader) {
Error("Reconstruct", "ITS loader not found");
return;
}
+ AliITSDetTypeRec* rec = new AliITSDetTypeRec(loader);
+ rec->SetDefaults();
+
loader->LoadRecPoints("recreate");
loader->LoadDigits("read");
runLoader->LoadKinematics();
+ TString option = GetOption();
+ Bool_t clusfinder=kTRUE; // Default: V2 cluster finder
+ if(option.Contains("OrigCF"))clusfinder=kFALSE;
- AliITSgeom* geom = GetITSgeom(runLoader);
-
- AliITSclustererV2 clusterer(geom);
Int_t nEvents = runLoader->GetNumberOfEvents();
for (Int_t iEvent = 0; iEvent < nEvents; iEvent++) {
runLoader->GetEvent(iEvent);
- TTree* treeClusters = loader->TreeR();
- if (!treeClusters) {
- loader->MakeTree("R");
- treeClusters = loader->TreeR();
- }
- TTree* treeDigits = loader->TreeD();
- if (!treeDigits) {
- Error("Reconstruct", "Can't get digits tree !");
- return;
- }
-
- clusterer.Digits2Clusters(treeDigits, treeClusters);
-
- loader->WriteRecPoints("OVERWRITE");
+ if(loader->TreeR()==0x0) loader->MakeTree("R");
+ rec->MakeBranch("R");
+ rec->SetTreeAddress();
+ rec->DigitsToRecPoints(iEvent,0,"All",clusfinder);
}
loader->UnloadRecPoints();
runLoader->UnloadKinematics();
}
-
-//_____________________________________________________________________________
-void AliITSReconstructor::Reconstruct(AliRunLoader* runLoader,
- AliRawReader* rawReader) const
+//_________________________________________________________________
+void AliITSReconstructor::Reconstruct(AliRunLoader* runLoader,
+ AliRawReader* rawReader) const
{
-// reconstruct clusters from raw data
+// reconstruct clusters
- AliITSLoader *loader = (AliITSLoader*)runLoader->GetLoader("ITSLoader");
+
+ AliITSLoader* loader = static_cast<AliITSLoader*>(runLoader->GetLoader("ITSLoader"));
if (!loader) {
Error("Reconstruct", "ITS loader not found");
return;
}
- loader->LoadRecPoints("recreate");
- AliITSgeom* geom = GetITSgeom(runLoader);
- AliITSclustererV2 clusterer(geom);
+ AliITSDetTypeRec* rec = new AliITSDetTypeRec(loader);
+ rec->SetDefaults();
+ rec->SetDefaultClusterFindersV2(kTRUE);
- Int_t iEvent = 0;
- while (rawReader->NextEvent()) {
- runLoader->GetEvent(iEvent++);
+ loader->LoadRecPoints("recreate");
- TTree* treeClusters = loader->TreeR();
- if (!treeClusters) {
- loader->MakeTree("R");
- treeClusters = loader->TreeR();
- }
+ Int_t iEvent = 0;
- clusterer.Digits2Clusters(rawReader);
-
- loader->WriteRecPoints("OVERWRITE");
+ while(rawReader->NextEvent()) {
+ runLoader->GetEvent(iEvent++);
+ if(loader->TreeR()==0x0) loader->MakeTree("R");
+ rec->DigitsToRecPoints(rawReader);
}
loader->UnloadRecPoints();
-
}
//_____________________________________________________________________________
// create a ITS tracker
- AliITSgeom* geom = GetITSgeom(runLoader);
TString selectedTracker = GetOption();
AliTracker* tracker;
if (selectedTracker.Contains("MI")) {
- tracker = new AliITStrackerMI(geom);
+ tracker = new AliITStrackerMI(0);
+ }
+ else if (selectedTracker.Contains("V2")) {
+ tracker = new AliITStrackerV2(0);
}
else {
- tracker = new AliITStrackerSA(geom); // inherits from AliITStrackerMI
+ tracker = new AliITStrackerSA(0); // inherits from AliITStrackerMI
+ AliITStrackerSA *sat=(AliITStrackerSA*)tracker;
+ if(selectedTracker.Contains("onlyITS"))sat->SetSAFlag(kTRUE);
+ if(sat->GetSAFlag())AliDebug(1,"Tracking Performed in ITS only\n");
}
TString selectedPIDmethod = GetOption();
AliITSpidESD *pidESD = 0;
TString selectedPIDmethod = GetOption();
if(selectedPIDmethod.Contains("LandauFitPID")){
+ Info("FillESD","ITS LandauFitPID option has been selected\n");
pidESD=loader->GetITSpid();
}
else{
+ Info("FillESD","ITS default PID\n");
pidESD=loader->GetITSpid();
}
if(pidESD!=0){
else {
Error("FillESD","!! cannot do the PID !!\n");
}
- // V0 finding
- Double_t cuts[]={33, // max. allowed chi2
- 0.16,// min. allowed negative daughter's impact parameter
- 0.05,// min. allowed positive daughter's impact parameter
- 0.08,// max. allowed DCA between the daughter tracks
- 0.99,// max. allowed cosine of V0's pointing angle
- 0.9, // min. radius of the fiducial volume
- 2.9 // max. radius of the fiducial volume
- };
- AliV0vertexer vtxer(cuts);
- Double_t vtx[3], cvtx[6];
- esd->GetVertex()->GetXYZ(vtx);
- esd->GetVertex()->GetSigmaXYZ(cvtx);
- vtxer.SetVertex(vtx);
- vtxer.Tracks2V0vertices(esd);
-
- // cascade finding
- Double_t cts[]={33., // max. allowed chi2
- 0.05, // min. allowed V0 impact parameter
- 0.008, // window around the Lambda mass
- 0.035, // min. allowed bachelor's impact parameter
- 0.10, // max. allowed DCA between a V0 and a track
- 0.9985, //max. allowed cosine of the cascade pointing angle
- 0.9, // min. radius of the fiducial volume
- 2.9 // max. radius of the fiducial volume
- };
- AliCascadeVertexer cvtxer=AliCascadeVertexer(cts);
- cvtxer.SetVertex(vtx);
- cvtxer.V0sTracks2CascadeVertices(esd);
}
Error("GetITSgeom", "couldn't get AliRun object");
return NULL;
}
-
- TDirectory * olddir = gDirectory;
- runLoader->CdGAFile();
- AliITSgeom* geom = (AliITSgeom*)gDirectory->Get("AliITSgeom");
- olddir->cd();
+ AliITSLoader *loader = (AliITSLoader*)runLoader->GetLoader("ITSLoader");
+ AliITSgeom* geom = (AliITSgeom*)loader->GetITSgeom();
if(!geom){
Error("GetITSgeom","no ITS geometry available");
return NULL;
return geom;
}
-