From a501728c2fff90df1e72f997351f55945a31ccac Mon Sep 17 00:00:00 2001
From: martinez <martinez@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Wed, 10 Sep 2003 10:16:59 +0000
Subject: [PATCH] Track reconstruction using NewIO

---
 MUON/MUONTracker.C | 81 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 MUON/MUONTracker.C

diff --git a/MUON/MUONTracker.C b/MUON/MUONTracker.C
new file mode 100644
index 00000000000..2933ddad688
--- /dev/null
+++ b/MUON/MUONTracker.C
@@ -0,0 +1,81 @@
+// Macro MUONTracker.C (TO BE COMPILED)
+// for testing the C++ reconstruction code
+// Output is using aliroot standard output MUON.Tracks.root
+// The output is a TClonesArray of AliMUONTracks.
+#include <TClonesArray.h>
+
+#include "AliRun.h"
+#include "AliMUON.h"
+#include "AliMUONData.h"
+#include "AliMUONEventReconstructor.h"
+#include "AliMUONTrack.h"
+#include "AliMUONTrackHit.h"
+#include "AliMUONTrackParam.h"
+
+void MUONTracker (Int_t FirstEvent = 0, Int_t LastEvent = 0, Text_t *FileName = "galice.root")
+{
+  //
+  cout << "MUONTracker" << endl;
+  cout << "FirstEvent " << FirstEvent << endl;
+  cout << "LastEvent " << LastEvent << endl;
+  cout << "FileName ``" << FileName << "''" << endl;
+  
+  // Creating Run Loader and openning file containing Hits, Digits and RecPoints
+  AliRunLoader * RunLoader = AliRunLoader::Open(FileName,"Event","UPDATE");
+  if (RunLoader ==0x0) {
+    printf(">>> Error : Error Opening %s file \n",FileName);
+    return;
+  }
+  // Loading AliRun master
+  RunLoader->LoadgAlice();
+  gAlice = RunLoader->GetAliRun();
+  RunLoader->LoadKinematics("READ");
+  
+  // Loading MUON subsystem
+  AliMUON * MUON = (AliMUON *) gAlice->GetDetector("MUON");
+  AliLoader * MUONLoader = RunLoader->GetLoader("MUONLoader");
+  MUONLoader->LoadHits("READ");
+  MUONLoader->LoadRecPoints("READ");
+  AliMUONData * muondata = MUON->GetMUONData();
+  muondata->SetLoader(MUONLoader);
+  
+  Int_t ievent, nevents;
+  nevents = RunLoader->GetNumberOfEvents();
+  
+  AliMUONEventReconstructor *Reco = new AliMUONEventReconstructor();
+
+  // The right place for changing AliMUONEventReconstructor parameters
+  // with respect to the default ones
+  //   Reco->SetMaxSigma2Distance(100.0);
+  //   Reco->SetPrintLevel(20);
+  Reco->SetPrintLevel(1);
+  //   Reco->SetBendingResolution(0.0);
+  //   Reco->SetNonBendingResolution(0.0);
+  cout << "AliMUONEventReconstructor: actual parameters" << endl;
+  Reco->Dump();
+  //   gObjectTable->Print();
+
+  // Loop over events
+  for (Int_t event = FirstEvent; event < LastEvent; event++) {
+    cout << "Event: " << event << endl;
+    RunLoader->GetEvent(event);   
+    muondata->SetTreeAddress("RC");
+    if (MUONLoader->TreeT() == 0x0) MUONLoader->MakeTree("T");
+    muondata->MakeBranch("RT");
+    muondata->SetTreeAddress("RT");
+    Reco->EventReconstruct();
+    // Dump current event
+    Reco->EventDump();
+
+    // Duplicating rectrack data in muondata for output
+    for(Int_t i=0; i<Reco->GetNRecTracks(); i++) {
+      AliMUONTrack * track = (AliMUONTrack*) Reco->GetRecTracksPtr()->At(i);
+      muondata->AddRecTrack(*track);
+    }
+
+    MUONLoader->TreeT()->Fill();
+    MUONLoader->WriteTracks("OVERWRITE");
+    muondata->ResetRecTracks();
+  } // Event loop
+  MUONLoader->UnloadRecPoints();
+}
-- 
2.31.1