* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-Revision 1.4 2000/06/09 11:10:07 cblume
-Compiler warnings and coding conventions, next round
-
-Revision 1.3 2000/06/08 18:32:58 cblume
-Make code compliant to coding conventions
-
-Revision 1.2 2000/05/08 16:17:27 cblume
-Merge TRD-develop
-
-Revision 1.1.4.1 2000/05/08 15:08:03 cblume
-Remove the class AliTRDcluster
-
-Revision 1.1 2000/02/28 18:57:58 cblume
-Add new TRD classes
-
-*/
+/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
// //
#include <TROOT.h>
#include <TTree.h>
+#include <TFile.h>
+#include <TObjArray.h>
+
+#include "AliRunLoader.h"
+#include "AliLoader.h"
+#include "AliLog.h"
-#include "AliRun.h"
-#include "AliTRD.h"
#include "AliTRDclusterizer.h"
+#include "AliTRDcluster.h"
+#include "AliTRDrecPoint.h"
+#include "AliTRDgeometry.h"
+#include "AliTRDcalibDB.h"
ClassImp(AliTRDclusterizer)
//_____________________________________________________________________________
-AliTRDclusterizer::AliTRDclusterizer():TNamed()
+AliTRDclusterizer::AliTRDclusterizer()
+ :TNamed()
+ ,fRunLoader(NULL)
+ ,fClusterTree(NULL)
+ ,fRecPoints(NULL)
{
//
// AliTRDclusterizer default constructor
//
- fInputFile = NULL;
- fEvent = 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
//
- fInputFile = NULL;
- fEvent = 0;
-
- Init();
-
}
//_____________________________________________________________________________
AliTRDclusterizer::AliTRDclusterizer(const AliTRDclusterizer &c)
+ :TNamed(c)
+ ,fRunLoader(NULL)
+ ,fClusterTree(NULL)
+ ,fRecPoints(NULL)
{
//
// AliTRDclusterizer copy constructor
//
- ((AliTRDclusterizer &) c).Copy(*this);
-
}
//_____________________________________________________________________________
// AliTRDclusterizer destructor
//
- if (fInputFile) {
- fInputFile->Close();
- delete fInputFile;
+ if (fRecPoints) {
+ fRecPoints->Delete();
+ delete fRecPoints;
}
}
}
//_____________________________________________________________________________
-void AliTRDclusterizer::Copy(TObject &c)
+void AliTRDclusterizer::Copy(TObject &c) const
{
//
// Copy function
//
- ((AliTRDclusterizer &) c).fInputFile = NULL;
- ((AliTRDclusterizer &) c).fEvent = 0;
+ ((AliTRDclusterizer &) c).fClusterTree = NULL;
+ ((AliTRDclusterizer &) c).fRecPoints = NULL;
}
//_____________________________________________________________________________
-void AliTRDclusterizer::Init()
+Bool_t AliTRDclusterizer::Open(const Char_t *name, Int_t nEvent)
{
//
- // Initializes the cluster finder
+ // Opens the AliROOT file. Output and input are in the same file
//
+ TString evfoldname = AliConfig::GetDefaultEventFolderName();
+ fRunLoader = AliRunLoader::GetRunLoader(evfoldname);
+
+ if (!fRunLoader) {
+ fRunLoader = AliRunLoader::Open(name);
+ }
+
+ if (!fRunLoader) {
+ AliError(Form("Can not open session for file %s.",name));
+ return kFALSE;
+ }
+
+ OpenInput(nEvent);
+ OpenOutput();
+
+ return kTRUE;
+
}
//_____________________________________________________________________________
-Bool_t AliTRDclusterizer::Open(const Char_t *name, Int_t nEvent)
+Bool_t AliTRDclusterizer::OpenOutput()
+{
+ //
+ // Open the output file
+ //
+
+ TObjArray *ioArray = 0;
+
+ AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
+ loader->MakeTree("R");
+
+ fClusterTree = loader->TreeR();
+ fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0);
+
+ return kTRUE;
+
+}
+
+//_____________________________________________________________________________
+Bool_t AliTRDclusterizer::OpenInput(Int_t nEvent)
{
//
// Opens a ROOT-file with TRD-hits and reads in the digits-tree
//
- // Connect the AliRoot file containing Geometry, Kine, and Hits
- fInputFile = (TFile*) gROOT->GetListOfFiles()->FindObject(name);
- if (!fInputFile) {
- printf("AliTRDclusterizer::Open -- ");
- printf("Open the ALIROOT-file %s.\n",name);
- fInputFile = new TFile(name,"UPDATE");
+ // Import the Trees for the event nEvent in the file
+ fRunLoader->GetEvent(nEvent);
+
+ return kTRUE;
+
+}
+
+//_____________________________________________________________________________
+Bool_t AliTRDclusterizer::WriteClusters(Int_t det)
+{
+ //
+ // Fills TRDcluster branch in the tree with the clusters
+ // found in detector = det. For det=-1 writes the tree.
+ //
+
+ if ((det < -1) ||
+ (det >= AliTRDgeometry::Ndet())) {
+ AliError(Form("Unexpected detector index %d.\n",det));
+ return kFALSE;
}
- else {
- printf("AliTRDclusterizer::Open -- ");
- printf("%s is already open.\n",name);
+
+ TBranch *branch = fClusterTree->GetBranch("TRDcluster");
+ if (!branch) {
+ TObjArray *ioArray = 0;
+ branch = fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0);
+ }
+
+ if ((det >= 0) &&
+ (det < AliTRDgeometry::Ndet())) {
+
+ Int_t nRecPoints = RecPoints()->GetEntriesFast();
+ TObjArray *detRecPoints = new TObjArray(400);
+
+ for (Int_t i = 0; i < nRecPoints; i++) {
+ AliTRDcluster *c = (AliTRDcluster *) RecPoints()->UncheckedAt(i);
+ if (det == c->GetDetector()) {
+ detRecPoints->AddLast(c);
+ }
+ else {
+ AliError("Attempt to write a cluster with unexpected detector index\n");
+ }
+ }
+
+ branch->SetAddress(&detRecPoints);
+ fClusterTree->Fill();
+
+ delete detRecPoints;
+
+ return kTRUE;
+
}
- // Get AliRun object from file or create it if not on file
- //if (!gAlice) {
- gAlice = (AliRun*) fInputFile->Get("gAlice");
- if (gAlice) {
- printf("AliTRDclusterizer::Open -- ");
- printf("AliRun object found on file.\n");
+ if (det == -1) {
+
+ 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 {
- printf("AliTRDclusterizer::Open -- ");
- printf("Could not find AliRun object.\n");
+
+ AliError("Cluster tree does not exist. Cannot write clusters.\n");
return kFALSE;
+
}
- //}
- fEvent = nEvent;
+ return kTRUE;
- // Import the Trees for the event nEvent in the file
- Int_t nparticles = gAlice->GetEvent(fEvent);
- if (nparticles <= 0) {
- printf("AliTRDclusterizer::Open -- ");
- printf("No entries in the trees for event %d.\n",fEvent);
- return kFALSE;
}
- return kTRUE;
+ 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;
}
//_____________________________________________________________________________
-Bool_t AliTRDclusterizer::WriteCluster()
+Double_t AliTRDclusterizer::CalcXposFromTimebin(Float_t timebin, Int_t idet
+ , Int_t col, Int_t row)
{
//
- // Writes out the TRD-cluster
+ // 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;
+ }
- // Write the new tree into the input file (use overwrite option)
- Char_t treeName[7];
- sprintf(treeName,"TreeR%d",fEvent);
- printf("AliTRDclusterizer::WriteCluster -- ");
- printf("Write the cluster tree %s for event %d.\n"
- ,treeName,fEvent);
- gAlice->TreeR()->Write(treeName,2);
+ Float_t vdrift = calibration->GetVdrift(idet,col,row);
+ Float_t t0 = calibration->GetT0(idet,col,row);
+ Float_t samplingFrequency = calibration->GetSamplingFrequency();
- return kTRUE;
+ 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;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff