#include "AliRunLoader.h"
#include "AliRawReader.h"
#include "AliITSDetTypeRec.h"
+#include "AliITSgeom.h"
#include "AliITSLoader.h"
#include "AliITStrackerMI.h"
+#include "AliITStrackerV2.h"
#include "AliITStrackerSA.h"
#include "AliITSVertexerIons.h"
#include "AliITSVertexerFast.h"
-#include "AliITSVertexerPPZ.h"
+#include "AliITSVertexer3D.h"
#include "AliITSVertexerZ.h"
-#include "AliESD.h"
+#include "AliITSVertexerCosmics.h"
+#include "AliESDEvent.h"
#include "AliITSpidESD.h"
#include "AliITSpidESD1.h"
#include "AliITSpidESD2.h"
-#include "AliV0vertexer.h"
-#include "AliCascadeVertexer.h"
+#include "AliITSInitGeometry.h"
+
ClassImp(AliITSReconstructor)
+AliITSRecoParam *AliITSReconstructor::fgkRecoParam =0; // reconstruction parameters
+
//___________________________________________________________________________
-AliITSReconstructor::AliITSReconstructor() : AliReconstructor(){
+AliITSReconstructor::AliITSReconstructor() : AliReconstructor(),
+fItsPID(0),
+fDetTypeRec(0)
+{
// Default constructor
- fItsPID=0;
+ if (!fgkRecoParam) {
+ AliError("The Reconstruction parameters nonitialized - Used default one");
+ fgkRecoParam = AliITSRecoParam::GetHighFluxParam();
+ }
}
//___________________________________________________________________________
AliITSReconstructor::~AliITSReconstructor(){
// destructor
delete fItsPID;
+ if(fgkRecoParam) delete fgkRecoParam;
+ if(fDetTypeRec) delete fDetTypeRec;
}
//______________________________________________________________________
-AliITSReconstructor::AliITSReconstructor(const AliITSReconstructor &ob) :AliReconstructor(ob) {
+AliITSReconstructor::AliITSReconstructor(const AliITSReconstructor &ob) :AliReconstructor(ob),
+ fItsPID(ob.fItsPID),
+ fDetTypeRec(ob.fDetTypeRec)
+
+{
// 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*/) {
+ // 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()));
+
+ fDetTypeRec = new AliITSDetTypeRec();
+ fDetTypeRec->SetITSgeom(geom);
+ fDetTypeRec->SetDefaults();
+
+ return;
+}
+
//_____________________________________________________________________________
-void AliITSReconstructor::Reconstruct(AliRunLoader* runLoader) const
+void AliITSReconstructor::Reconstruct(TTree *digitsTree, TTree *clustersTree) const
{
// reconstruct clusters
-
- 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;
- Int_t nEvents = runLoader->GetNumberOfEvents();
-
- for (Int_t iEvent = 0; iEvent < nEvents; iEvent++) {
- runLoader->GetEvent(iEvent);
- if(loader->TreeR()==0x0) loader->MakeTree("R");
- rec->MakeBranch("R");
- rec->SetTreeAddress();
- rec->DigitsToRecPoints(iEvent,0,"All",clusfinder);
- }
-
- loader->UnloadRecPoints();
- loader->UnloadDigits();
- runLoader->UnloadKinematics();
+ fDetTypeRec->SetTreeAddressD(digitsTree);
+ fDetTypeRec->MakeBranch(clustersTree,"R");
+ fDetTypeRec->SetTreeAddressR(clustersTree);
+ fDetTypeRec->DigitsToRecPoints(digitsTree,clustersTree,0,"All",clusfinder);
}
//_________________________________________________________________
-void AliITSReconstructor::Reconstruct(AliRunLoader* runLoader,
- AliRawReader* rawReader) const
+void AliITSReconstructor::Reconstruct(AliRawReader* rawReader, TTree *clustersTree) const
{
-// reconstruct clusters
-
+ // reconstruct clusters from raw data
- AliITSLoader* loader = static_cast<AliITSLoader*>(runLoader->GetLoader("ITSLoader"));
- if (!loader) {
- Error("Reconstruct", "ITS loader not found");
- return;
- }
-
- AliITSDetTypeRec* rec = new AliITSDetTypeRec(loader);
- rec->SetDefaults();
- rec->SetDefaultClusterFindersV2(kTRUE);
-
- loader->LoadRecPoints("recreate");
-
- Int_t iEvent = 0;
-
- while(rawReader->NextEvent()) {
- runLoader->GetEvent(iEvent++);
- if(loader->TreeR()==0x0) loader->MakeTree("R");
- rec->DigitsToRecPoints(rawReader);
- }
-
- loader->UnloadRecPoints();
+ fDetTypeRec->SetDefaultClusterFindersV2(kTRUE);
+ fDetTypeRec->DigitsToRecPoints(rawReader,clustersTree);
}
//_____________________________________________________________________________
// 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");
+ if(selectedTracker.Contains("cosmics")||selectedTracker.Contains("COSMICS"))
+ sat->SetOuterStartLayer(AliITSgeomTGeo::GetNLayers()-2);
}
TString selectedPIDmethod = GetOption();
loader->AdoptITSpid(new AliITSpidESD2((AliITStrackerMI*)tracker,loader));
}
else{
- Double_t parITS[] = {34., 0.15, 10.};
+ Double_t parITS[] = {0.15, 10.}; //PH positions of the MIP peak
loader->AdoptITSpid(new AliITSpidESD1(parITS));
}
return tracker;
Info("CreateVertexer","a AliITSVertexerFast object has been selected\n");
return new AliITSVertexerFast(smear);
}
- if(selectedVertexer.Contains("ppz") || selectedVertexer.Contains("PPZ")){
- Info("CreateVertexer","a AliITSVertexerPPZ object has been selected\n");
- return new AliITSVertexerPPZ("null");
+ if(selectedVertexer.Contains("3d") || selectedVertexer.Contains("3D")){
+ Info("CreateVertexer","a AliITSVertexer3D object has been selected\n");
+ return new AliITSVertexer3D("null");
+ }
+ if(selectedVertexer.Contains("cosmics") || selectedVertexer.Contains("COSMICS")){
+ Info("CreateVertexer","a AliITSVertexerCosmics object has been selected\n");
+ return new AliITSVertexerCosmics();
}
// by default an AliITSVertexerZ object is instatiated
Info("CreateVertexer","a AliITSVertexerZ object has been selected\n");
//_____________________________________________________________________________
void AliITSReconstructor::FillESD(AliRunLoader* runLoader,
- AliESD* esd) const
+ AliESDEvent* esd) const
{
// make PID, find V0s and cascade
AliITSLoader *loader = (AliITSLoader*)runLoader->GetLoader("ITSLoader");
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);
}
-
-
-//_____________________________________________________________________________
-AliITSgeom* AliITSReconstructor::GetITSgeom(AliRunLoader* runLoader) const
-{
-// get the ITS geometry
-
- if (!runLoader->GetAliRun()) runLoader->LoadgAlice();
- if (!runLoader->GetAliRun()) {
- Error("GetITSgeom", "couldn't get AliRun object");
- return NULL;
- }
- AliITSLoader *loader = (AliITSLoader*)runLoader->GetLoader("ITSLoader");
- AliITSgeom* geom = (AliITSgeom*)loader->GetITSgeom();
- if(!geom){
- Error("GetITSgeom","no ITS geometry available");
- return NULL;
- }
-
- return geom;
-}
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff