--- /dev/null
+/* $Id$ */
+
+#include "AliTestESDtrackCutsSelector.h"
+
+#include <TStyle.h>
+#include <TSystem.h>
+#include <TCanvas.h>
+#include <TParticle.h>
+#include <TParticlePDG.h>
+#include <TVector3.h>
+#include <TChain.h>
+#include <TFile.h>
+#include <TH1F.h>
+
+#include <TSelector.h>
+#include <TFile.h>
+
+#include <AliLog.h>
+#include <AliESD.h>
+#include <AliRunLoader.h>
+#include <AliStack.h>
+
+#include "esdTrackCuts/AliESDtrackCuts.h"
+#include "AliPWG0Helper.h"
+
+
+ClassImp(AliTestESDtrackCutsSelector)
+
+AliTestESDtrackCutsSelector::AliTestESDtrackCutsSelector() :
+ AliSelectorRL(),
+ fEsdTrackCutsAll(0),
+ fEsdTrackCutsPri(0),
+ fEsdTrackCutsSec(0)
+{
+ //
+ // Constructor. Initialization of pointers
+ //
+}
+
+AliTestESDtrackCutsSelector::~AliTestESDtrackCutsSelector()
+{
+ //
+ // Destructor
+ //
+
+ // histograms are in the output list and deleted when the output
+ // list is deleted by the TSelector dtor
+}
+
+void AliTestESDtrackCutsSelector::Begin(TTree* tree)
+{
+ // Begin function
+
+ AliSelectorRL::Begin(tree);
+
+ ReadUserObjects(tree);
+}
+
+void AliTestESDtrackCutsSelector::ReadUserObjects(TTree* tree)
+{
+ // read the user objects, called from slavebegin and begin
+
+ if (!fEsdTrackCutsAll && fInput)
+ fEsdTrackCutsAll = dynamic_cast<AliESDtrackCuts*> (fInput->FindObject("esdTrackCutsAll"));
+ if (!fEsdTrackCutsPri && fInput)
+ fEsdTrackCutsPri = dynamic_cast<AliESDtrackCuts*> (fInput->FindObject("esdTrackCutsPri"));
+ if (!fEsdTrackCutsSec && fInput)
+ fEsdTrackCutsSec = dynamic_cast<AliESDtrackCuts*> (fInput->FindObject("esdTrackCutsSec"));
+
+ if (!fEsdTrackCutsAll && tree)
+ fEsdTrackCutsAll = dynamic_cast<AliESDtrackCuts*> (tree->GetUserInfo()->FindObject("esdTrackCutsAll"));
+ if (!fEsdTrackCutsPri && tree)
+ fEsdTrackCutsPri = dynamic_cast<AliESDtrackCuts*> (tree->GetUserInfo()->FindObject("esdTrackCutsPri"));
+ if (!fEsdTrackCutsSec && tree)
+ fEsdTrackCutsSec = dynamic_cast<AliESDtrackCuts*> (tree->GetUserInfo()->FindObject("esdTrackCutsSec"));
+
+ if (!fEsdTrackCutsAll || !fEsdTrackCutsPri || !fEsdTrackCutsSec)
+ AliDebug(AliLog::kError, "ERROR: Could not read esdTrackCutsXXX from input list.");
+}
+
+void AliTestESDtrackCutsSelector::SlaveBegin(TTree* tree)
+{
+ // The SlaveBegin() function is called after the Begin() function.
+ // When running with PROOF SlaveBegin() is called on each slave server.
+ // The tree argument is deprecated (on PROOF 0 is passed).
+
+ AliSelectorRL::SlaveBegin(tree);
+
+ ReadUserObjects(tree);
+}
+
+Bool_t AliTestESDtrackCutsSelector::Process(Long64_t entry)
+{
+ // The Process() function is called for each entry in the tree (or possibly
+ // keyed object in the case of PROOF) to be processed. The entry argument
+ // specifies which entry in the currently loaded tree is to be processed.
+ // It can be passed to either TTree::GetEntry() or TBranch::GetEntry()
+ // to read either all or the required parts of the data. When processing
+ // keyed objects with PROOF, the object is already loaded and is available
+ // via the fObject pointer.
+ //
+ // This function should contain the "body" of the analysis. It can contain
+ // simple or elaborate selection criteria, run algorithms on the data
+ // of the event and typically fill histograms.
+
+ // WARNING when a selector is used with a TChain, you must use
+ // the pointer to the current TTree to call GetEntry(entry).
+ // The entry is always the local entry number in the current tree.
+ // Assuming that fTree is the pointer to the TChain being processed,
+ // use fTree->GetTree()->GetEntry(entry).
+
+ if (AliSelectorRL::Process(entry) == kFALSE)
+ return kFALSE;
+
+ // Check prerequisites
+ if (!fESD) {
+ AliDebug(AliLog::kError, "ESD branch not available");
+ return kFALSE;
+ }
+
+ if (!AliPWG0Helper::IsVertexReconstructed(fESD)) {
+ AliDebug(AliLog::kDebug+5, "Vertex is not reconstructed");
+ return kFALSE;
+ }
+
+ // check if the esd track cut objects are there
+ if (!fEsdTrackCutsAll || !fEsdTrackCutsPri || !fEsdTrackCutsSec) {
+ AliDebug(AliLog::kError, "fEsdTrackCutsXXX not available");
+ return kFALSE;
+ }
+
+ // get particle stack
+ AliStack* stack = GetStack();
+ if (!stack) {
+ AliDebug(AliLog::kError, "Stack not available");
+ return kFALSE;
+ }
+ Int_t nPrim = stack->GetNprimary();
+
+ // ########################################################
+ // loop over esd tracks
+ Int_t nTracks = fESD->GetNumberOfTracks();
+
+ // count the number of "good" tracks as parameter for vertex reconstruction efficiency
+ for (Int_t t=0; t<nTracks; t++) {
+ AliDebug(AliLog::kDebug+1, Form("ESD Loop: Processing track %d.", t));
+
+ AliESDtrack* esdTrack = fESD->GetTrack(t);
+
+ fEsdTrackCutsAll->AcceptTrack(esdTrack);
+
+ // using the properties of the mc particle
+ Int_t label = TMath::Abs(esdTrack->GetLabel());
+ if (label == 0) {
+ AliDebug(AliLog::kWarning, Form("WARNING: cannot find corresponding mc part for track %d.", t));
+ continue;
+ }
+ TParticle* particle = stack->Particle(label);
+ if (!particle) {
+ AliDebug(AliLog::kError, Form("UNEXPECTED: part with label %d not found in stack (track loop).", label));
+ continue;
+ }
+ if (AliPWG0Helper::IsPrimaryCharged(particle, nPrim) == kFALSE)
+ fEsdTrackCutsPri->AcceptTrack(esdTrack);
+ else
+ fEsdTrackCutsSec->AcceptTrack(esdTrack);
+ }
+
+ return kTRUE;
+}
+
+void AliTestESDtrackCutsSelector::SlaveTerminate()
+{
+ // The SlaveTerminate() function is called after all entries or objects
+ // have been processed. When running with PROOF SlaveTerminate() is called
+ // on each slave server.
+
+ AliSelectorRL::SlaveTerminate();
+
+ // Add the histograms to the output on each slave server
+ if (!fOutput)
+ {
+ AliDebug(AliLog::kError, Form("ERROR: Output list not initialized."));
+ return;
+ }
+
+ fOutput->Add(fEsdTrackCutsAll);
+ fOutput->Add(fEsdTrackCutsPri);
+ fOutput->Add(fEsdTrackCutsSec);
+}
+
+void AliTestESDtrackCutsSelector::Terminate()
+{
+ // The Terminate() function is the last function to be called during
+ // a query. It always runs on the client, it can be used to present
+ // the results graphically or save the results to file.
+
+ AliSelectorRL::Terminate();
+
+ TFile* file = TFile::Open("trackCuts.root", "RECREATE");
+ fEsdTrackCutsAll->SaveHistograms("esdTrackCutsAll");
+ fEsdTrackCutsPri->SaveHistograms("esdTrackCutsPri");
+ fEsdTrackCutsSec->SaveHistograms("esdTrackCutsSec");
+
+ file->Close();
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff