Alignment framework (C.Cheshkov). More information is available in http://agenda...

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

diff --git a/STEER/AliReconstruction.cxx b/STEER/AliReconstruction.cxx
index 93d9bad67c0610e597f7a16b48bddf14af7ef99d..6333f977d1647ed5f4d51abb4198b45397c7c35c 100644 (file)
--- a/STEER/AliReconstruction.cxx
+++ b/STEER/AliReconstruction.cxx
@@ -137,7 +137,7 @@
 #include "AliDetectorTag.h"
 #include "AliEventTag.h"
 
 #include "AliDetectorTag.h"
 #include "AliEventTag.h"
 

-
+#include "AliTrackPointArray.h"

 
 ClassImp(AliReconstruction)
 
 
 ClassImp(AliReconstruction)
 


@@ -167,7 +167,9 @@ AliReconstruction::AliReconstruction(const char* gAliceFilename,
   fRunLoader(NULL),
   fRawReader(NULL),
 
   fRunLoader(NULL),
   fRawReader(NULL),
 

-  fVertexer(NULL)
+  fVertexer(NULL),
+
+  fWriteAlignmentData(kFALSE)

 {
 // create reconstruction object with default parameters
   
 {
 // create reconstruction object with default parameters
   


@@ -200,7 +202,9 @@ AliReconstruction::AliReconstruction(const AliReconstruction& rec) :
   fRunLoader(NULL),
   fRawReader(NULL),
 
   fRunLoader(NULL),
   fRawReader(NULL),
 

-  fVertexer(NULL)
+  fVertexer(NULL),
+
+  fWriteAlignmentData(rec.fWriteAlignmentData)

 {
 // copy constructor
 
 {
 // copy constructor
 


@@ -750,6 +754,11 @@ Bool_t AliReconstruction::RunTracking(AliESD*& esd)
     }
   }
 
     }
   }
 

+  // write space-points to the ESD in case alignment data output
+  // is switched on
+  if (fWriteAlignmentData)
+    WriteAlignmentData(esd);
+

   // pass 3: TRD + TPC + ITS refit inwards
   for (Int_t iDet = 2; iDet >= 0; iDet--) {
     if (!fTracker[iDet]) continue;
   // pass 3: TRD + TPC + ITS refit inwards
   for (Int_t iDet = 2; iDet >= 0; iDet--) {
     if (!fTracker[iDet]) continue;


@@ -1419,3 +1428,56 @@ void AliReconstruction::CreateTag(TFile* file)
   delete evTag;
 }
 
   delete evTag;
 }
 

+void AliReconstruction::WriteAlignmentData(AliESD* esd)
+{
+  // Write space-points which are then used in the alignment procedures
+  // For the moment only ITS, TRD and TPC
+
+  // Load TOF clusters
+  fLoader[3]->LoadRecPoints("read");
+  TTree* tree = fLoader[3]->TreeR();
+  if (!tree) {
+    AliError(Form("Can't get the %s cluster tree", fgkDetectorName[3]));
+    return;
+  }
+  fTracker[3]->LoadClusters(tree);
+
+  Int_t ntracks = esd->GetNumberOfTracks();
+  for (Int_t itrack = 0; itrack < ntracks; itrack++)
+    {
+      AliESDtrack *track = esd->GetTrack(itrack);
+      Int_t nsp = 0;
+      UInt_t idx[200];
+      for (Int_t iDet = 3; iDet >= 0; iDet--)
+       nsp += track->GetNcls(iDet);
+      if (nsp) {
+       AliTrackPointArray *sp = new AliTrackPointArray(nsp);
+       track->SetTrackPointArray(sp);
+       Int_t isptrack = 0;
+       for (Int_t iDet = 3; iDet >= 0; iDet--) {
+         AliTracker *tracker = fTracker[iDet];
+         if (!tracker) continue;
+         Int_t nspdet = track->GetNcls(iDet);
+         cout<<iDet<<" "<<nspdet<<endl;
+         if (nspdet <= 0) continue;
+         track->GetClusters(iDet,idx);
+         AliTrackPoint p;
+         Int_t isp = 0;
+         Int_t isp2 = 0;
+         while (isp < nspdet) {
+           Bool_t isvalid = tracker->GetTrackPoint(idx[isp2],p); isp2++;
+           if (!isvalid) continue;
+           sp->AddPoint(isptrack,&p); isptrack++; isp++;
+         }
+         //      for (Int_t isp = 0; isp < nspdet; isp++) {
+           //      AliCluster *cl = tracker->GetCluster(idx[isp]);
+           //      UShort_t volid = tracker->GetVolumeID(idx[isp]);
+         //        tracker->GetTrackPoint(idx[isp],p);
+         //        sp->AddPoint(isptrack,&p); isptrack++;
+         //      }
+       }       
+      }
+    }
+  fTracker[3]->UnloadClusters();
+  fLoader[3]->UnloadRecPoints();
+}