Adding new calibration flavours for trigger

[u/mrichter/AliRoot.git] / STEER / AliTracker.cxx

diff --git a/STEER/AliTracker.cxx b/STEER/AliTracker.cxx
index 6796b22445efc924b54d2270078cdb5c20ef1380..68f67faaa10647d0ca39999907a6d1c624f3c76b 100644 (file)
--- a/STEER/AliTracker.cxx
+++ b/STEER/AliTracker.cxx
@@ -20,22 +20,54 @@
 //  that is the base for AliTPCtracker, AliITStrackerV2 and AliTRDtracker    
 //        Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
 //-------------------------------------------------------------------------
-
+#include <TClass.h>
 #include <TMath.h>
 
 #include "AliTracker.h"
 #include "AliCluster.h"
 #include "AliKalmanTrack.h"
-#include "AliRun.h"
-#include "AliMagF.h"
 
-#include "TFile.h"
-#include "TError.h"
+Bool_t AliTracker::fgUniformField=kTRUE;
+Double_t AliTracker::fgBz=0.;
+const AliMagF *AliTracker::fgkFieldMap=0;
+
+ClassImp(AliTracker)
 
+AliTracker::AliTracker():
+  fX(0),
+  fY(0),
+  fZ(0),
+  fSigmaX(0.005),
+  fSigmaY(0.005),
+  fSigmaZ(0.010)
+{
+  //--------------------------------------------------------------------
+  // The default constructor.
+  //--------------------------------------------------------------------
+  if (!fgkFieldMap) AliWarning("Field map is not set. Call AliTracker::SetFieldMap before creating a tracker!");
+}
 
-extern AliRun* gAlice;
+void AliTracker::SetFieldMap(const AliMagF* map, Bool_t uni) {
+  //--------------------------------------------------------------------
+  //This passes the field map to the reconstruction.
+  //--------------------------------------------------------------------
+  if (map==0) AliFatalClass("Can't access the field map !");
 
-ClassImp(AliTracker)
+  if (fgkFieldMap) {
+     AliWarningClass("The magnetic field map has been already set !");
+     return;
+  }
+
+  fgUniformField=uni;
+  fgkFieldMap=map;
+
+  //Float_t r[3]={0.,0.,0.},b[3]; map->Field(r,b);
+  //Double_t bz=-b[2];
+ 
+  Double_t bz=-map->SolenoidField();
+  fgBz=TMath::Sign(1e-13,bz) + bz;
+
+}
 
 //__________________________________________________________________________
 void AliTracker::CookLabel(AliKalmanTrack *t, Float_t wrong) const {
@@ -69,11 +101,15 @@ void AliTracker::CookLabel(AliKalmanTrack *t, Float_t wrong) const {
     
   for (i=0; i<noc; i++) {
     AliCluster *c=clusters[i];
-    if (TMath::Abs(c->GetLabel(1)) == lab ||
-        TMath::Abs(c->GetLabel(2)) == lab ) max++;
+    //if (TMath::Abs(c->GetLabel(1)) == lab ||
+    //    TMath::Abs(c->GetLabel(2)) == lab ) max++;
+    if (TMath::Abs(c->GetLabel(0)!=lab))
+       if (TMath::Abs(c->GetLabel(1)) == lab ||
+           TMath::Abs(c->GetLabel(2)) == lab ) max++;
   }
 
   if ((1.- Float_t(max)/noc) > wrong) lab=-lab;
+  t->SetFakeRatio((1.- Float_t(max)/noc));
   t->SetLabel(lab);
 
   delete[] lb;
@@ -93,51 +129,3 @@ void AliTracker::UseClusters(const AliKalmanTrack *t, Int_t from) const {
      c->Use();   
   }
 }
-
-////////////////////////////////////////////////////////////////////////
-Int_t AliTracker::SetFieldFactor() {
-//
-// Utility class to set the value of the magnetic field in the barrel
-// It supposes that the correct object gAlice is in the memory
-//
-   AliKalmanTrack::
-      SetConvConst(1000/0.299792458/gAlice->Field()->SolenoidField());
-   Double_t field=gAlice->Field()->SolenoidField();
-   ::Info("SetFieldFactor","Magnetic field in kGauss: %f\n",field);
-   return 0;
-}
-////////////////////////////////////////////////////////////////////////
-Int_t AliTracker::SetFieldFactor(TFile *file, Bool_t deletegAlice) {
-//
-// Utility class to set the value of the magnetic field in the barrel
-// gAlice object is read from the file, and optionally deleted
-// 
-  if (!(gAlice=(AliRun*)file->Get("gAlice"))) {
-   ::Warning
-   ("SetFieldFactor","gAlice has not been found in file %s\n",file->GetName());
-    return 1;
-  }   
-  Int_t rc = SetFieldFactor();
-  if (deletegAlice) {
-    delete gAlice;  
-    gAlice = 0;
-  }
-  return rc;
-}
-////////////////////////////////////////////////////////////////////////
-Int_t AliTracker::SetFieldFactor(Char_t* fileName, Bool_t closeFile) {
-//
-// Utility class to set the value of the magnetic field in the barrel
-// gAlice object is read from the file, the file is optionally closed
-// 
-   TFile *file=TFile::Open(fileName);
-   if (!file->IsOpen()) {
-      ::Warning("AliTracker::SetFieldFactor","Cannnot open %s !\n",fileName); 
-      return 1;
-   }
-   Int_t rc = SetFieldFactor(file, closeFile) ;
-   if (closeFile) file->Close();
-   return rc;
-}
-////////////////////////////////////////////////////////////////////////
-