#include <TROOT.h>
#include <TTree.h>
#include <TFile.h>
+#include <TObjArray.h>
-#include "AliRun.h"
#include "AliRunLoader.h"
#include "AliLoader.h"
+#include "AliLog.h"
-#include "AliTRD.h"
#include "AliTRDclusterizer.h"
#include "AliTRDcluster.h"
#include "AliTRDrecPoint.h"
#include "AliTRDgeometry.h"
-#include "AliTRDparameter.h"
+#include "AliTRDcalibDB.h"
ClassImp(AliTRDclusterizer)
//_____________________________________________________________________________
-AliTRDclusterizer::AliTRDclusterizer():TNamed()
+AliTRDclusterizer::AliTRDclusterizer()
+ :TNamed()
+ ,fRunLoader(NULL)
+ ,fClusterTree(NULL)
+ ,fRecPoints(NULL)
{
//
// AliTRDclusterizer default constructor
//
- fClusterTree = NULL;
- fTRD = 0;
- fEvent = 0;
- fVerbose = 0;
- fPar = 0;
-
}
//_____________________________________________________________________________
AliTRDclusterizer::AliTRDclusterizer(const Text_t* name, const Text_t* title)
- :TNamed(name, title)
+ :TNamed(name,title)
+ ,fRunLoader(NULL)
+ ,fClusterTree(NULL)
+ ,fRecPoints(NULL)
{
//
- // AliTRDclusterizer default constructor
+ // AliTRDclusterizer constructor
//
- fClusterTree = NULL;
- fEvent = 0;
- fVerbose = 0;
- fPar = 0;
-
}
//_____________________________________________________________________________
-AliTRDclusterizer::AliTRDclusterizer(const AliTRDclusterizer &c):TNamed(c)
+AliTRDclusterizer::AliTRDclusterizer(const AliTRDclusterizer &c)
+ :TNamed(c)
+ ,fRunLoader(NULL)
+ ,fClusterTree(NULL)
+ ,fRecPoints(NULL)
{
//
// AliTRDclusterizer copy constructor
//
- ((AliTRDclusterizer &) c).Copy(*this);
-
}
//_____________________________________________________________________________
// AliTRDclusterizer destructor
//
+ if (fRecPoints) {
+ fRecPoints->Delete();
+ delete fRecPoints;
+ }
+
}
//_____________________________________________________________________________
}
//_____________________________________________________________________________
-void AliTRDclusterizer::Copy(TObject &c)
+void AliTRDclusterizer::Copy(TObject &c) const
{
//
// Copy function
//
((AliTRDclusterizer &) c).fClusterTree = NULL;
- ((AliTRDclusterizer &) c).fEvent = 0;
- ((AliTRDclusterizer &) c).fVerbose = fVerbose;
- ((AliTRDclusterizer &) c).fPar = 0;
+ ((AliTRDclusterizer &) c).fRecPoints = NULL;
}
//
// Opens the AliROOT file. Output and input are in the same file
//
+
TString evfoldname = AliConfig::GetDefaultEventFolderName();
- fRunLoader = AliRunLoader::GetRunLoader(evfoldname);
- if (!fRunLoader)
+ fRunLoader = AliRunLoader::GetRunLoader(evfoldname);
+
+ if (!fRunLoader) {
fRunLoader = AliRunLoader::Open(name);
- if (!fRunLoader)
- {
- Error("Open","Can not open session for file %s.",name);
- return kFALSE;
- }
+ }
+
+ if (!fRunLoader) {
+ AliError(Form("Can not open session for file %s.",name));
+ return kFALSE;
+ }
OpenInput(nEvent);
OpenOutput();
+
return kTRUE;
-}
+}
//_____________________________________________________________________________
Bool_t AliTRDclusterizer::OpenOutput()
AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
loader->MakeTree("R");
+
fClusterTree = loader->TreeR();
fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0);
-
return kTRUE;
}
// Opens a ROOT-file with TRD-hits and reads in the digits-tree
//
- // Connect the AliRoot file containing Geometry, Kine, and Hits
- if (fRunLoader->GetAliRun() == 0x0) fRunLoader->LoadgAlice();
- gAlice = fRunLoader->GetAliRun();
-
- if (!(gAlice)) {
- fRunLoader->LoadgAlice();
- gAlice = fRunLoader->GetAliRun();
- if (!(gAlice)) {
- printf("AliTRDclusterizer::OpenInput -- ");
- printf("Could not find AliRun object.\n");
- return kFALSE;
- }
- }
-
- fEvent = nEvent;
-
// Import the Trees for the event nEvent in the file
- fRunLoader->GetEvent(fEvent);
+ fRunLoader->GetEvent(nEvent);
- // Get the TRD object
- fTRD = (AliTRD*) gAlice->GetDetector("TRD");
- if (!fTRD) {
- printf("AliTRDclusterizer::OpenInput -- ");
- printf("No TRD detector object found\n");
- return kFALSE;
- }
-
return kTRUE;
}
// found in detector = det. For det=-1 writes the tree.
//
- if ((det < -1) || (det >= AliTRDgeometry::Ndet())) {
- printf("AliTRDclusterizer::WriteClusters -- ");
- printf("Unexpected detector index %d.\n",det);
+ if ((det < -1) ||
+ (det >= AliTRDgeometry::Ndet())) {
+ AliError(Form("Unexpected detector index %d.\n",det));
return kFALSE;
}
-
TBranch *branch = fClusterTree->GetBranch("TRDcluster");
if (!branch) {
TObjArray *ioArray = 0;
branch = fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0);
}
- if ((det >= 0) && (det < AliTRDgeometry::Ndet())) {
+ if ((det >= 0) &&
+ (det < AliTRDgeometry::Ndet())) {
- Int_t nRecPoints = fTRD->RecPoints()->GetEntriesFast();
+ Int_t nRecPoints = RecPoints()->GetEntriesFast();
TObjArray *detRecPoints = new TObjArray(400);
for (Int_t i = 0; i < nRecPoints; i++) {
- AliTRDcluster *c = (AliTRDcluster *) fTRD->RecPoints()->UncheckedAt(i);
+ AliTRDcluster *c = (AliTRDcluster *) RecPoints()->UncheckedAt(i);
if (det == c->GetDetector()) {
detRecPoints->AddLast(c);
}
else {
- printf("AliTRDclusterizer::WriteClusters --");
- printf("Attempt to write a cluster with unexpected detector index\n");
+ AliError("Attempt to write a cluster with unexpected detector index\n");
}
}
if (det == -1) {
- Info("WriteClusters","Writing the cluster tree %s for event %d."
- ,fClusterTree->GetName(),fEvent);
- /*
- fClusterTree->Write();
- AliTRDgeometry *geo = fTRD->GetGeometry();
- geo->SetName("TRDgeometry");
- geo->Write();
- fPar->Write();
- */
- AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
- loader->WriteRecPoints("OVERWRITE");
+ AliInfo(Form("Writing the cluster tree %s for event %d."
+ ,fClusterTree->GetName(),fRunLoader->GetEventNumber()));
+
+ if (fRecPoints) {
+
+ branch->SetAddress(&fRecPoints);
+
+ AliLoader *loader = fRunLoader->GetLoader("TRDLoader");
+ loader->WriteRecPoints("OVERWRITE");
+ }
+ else {
+
+ AliError("Cluster tree does not exist. Cannot write clusters.\n");
+ return kFALSE;
+
+ }
+
return kTRUE;
}
- /*
- AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
- loader->WriteDigits("OVERWRITE");
- */
- printf("AliTRDclusterizer::WriteClusters -- ");
- printf("Unexpected detector index %d.\n",det);
+
+ AliError(Form("Unexpected detector index %d.\n",det));
return kFALSE;
}
+//_____________________________________________________________________________
+AliTRDcluster* AliTRDclusterizer::AddCluster(Double_t *pos, Int_t timebin
+ , Int_t det, Double_t amp
+ , Int_t *tracks, Double_t *sig
+ , Int_t iType, Float_t center)
+{
+ //
+ // Add a cluster for the TRD
+ //
+
+ AliTRDcluster *c = new AliTRDcluster();
+
+ c->SetDetector(det);
+ c->SetQ(amp);
+ c->SetX(pos[2]);
+ c->SetY(pos[0]);
+ c->SetZ(pos[1]);
+ c->SetSigmaY2(sig[0]);
+ c->SetSigmaZ2(sig[1]);
+ c->SetLocalTimeBin(timebin);
+ c->SetCenter(center);
+
+ if (tracks) {
+ c->AddTrackIndex(tracks);
+ }
+
+ switch (iType) {
+ case 0:
+ c->Set2pad();
+ break;
+ case 1:
+ c->Set3pad();
+ break;
+ case 2:
+ c->Set4pad();
+ break;
+ case 3:
+ c->Set5pad();
+ break;
+ case 4:
+ c->SetLarge();
+ break;
+ };
+
+ RecPoints()->Add(c);
+ return c;
+
+}
+
+//_____________________________________________________________________________
+Double_t AliTRDclusterizer::CalcXposFromTimebin(Float_t timebin, Int_t idet
+ , Int_t col, Int_t row)
+{
+ //
+ // Calculates the local x position in the detector from the timebin,
+ // depends on the drift velocity and t0
+ //
+
+ AliTRDcalibDB *calibration = AliTRDcalibDB::Instance();
+ if (!calibration) {
+ AliError("Cannot find calibration object");
+ return -1;
+ }
+
+ Float_t vdrift = calibration->GetVdrift(idet,col,row);
+ Float_t t0 = calibration->GetT0(idet,col,row);
+ Float_t samplingFrequency = calibration->GetSamplingFrequency();
+
+ timebin -= t0;
+
+ return timebin / samplingFrequency * vdrift;
+
+}
+
+//_____________________________________________________________________________
+void AliTRDclusterizer::ResetRecPoints()
+{
+ //
+ // Resets the list of rec points
+ //
+
+ if (fRecPoints) {
+ fRecPoints->Delete();
+ }
+
+}
+//_____________________________________________________________________________
+TObjArray* AliTRDclusterizer::RecPoints()
+{
+ //
+ // Returns the list of rec points
+ //
+
+ if (!fRecPoints) {
+ fRecPoints = new TObjArray(400);
+ }
+
+ return fRecPoints;
+
+}