Update master to aliroot

[u/mrichter/AliRoot.git] / HLT / global / AliFlatTPCseed.cxx

diff --git a/HLT/global/AliFlatTPCseed.cxx b/HLT/global/AliFlatTPCseed.cxx
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+++ b/HLT/global/AliFlatTPCseed.cxx
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+/* $Id$ */
+
+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ *                                                                        *
+ * Author: The ALICE Off-line Project.                                    *
+ * Contributors are mentioned in the code where appropriate.              *
+ *                                                                        *
+ * Permission to use, copy, modify and distribute this software and its   *
+ * documentation strictly for non-commercial purposes is hereby granted   *
+ * without fee, provided that the above copyright notice appears in all   *
+ * copies and that both the copyright notice and this permission notice   *
+ * appear in the supporting documentation. The authors make no claims     *
+ * about the suitability of this software for any purpose. It is          *
+ * provided "as is" without express or implied warranty.                  *
+ **************************************************************************/
+
+/**
+ * >> Flat structure representing a TPC seed <<
+ *
+ * To be used in the online and offline calibration schema.
+ *
+ *
+ * Primary Authors : Sergey Gorbunov, Jochen Thaeder, Chiara Zampolli
+ *
+ **************************************************************************/
+
+#include "AliFlatTPCseed.h"
+#include "AliTPCseed.h"
+#include "AliHLTTPCTransform.h"
+#include "Riostream.h"
+
+
+void AliFlatTPCseed::SetFromTPCseed( const AliTPCseed *p )
+{
+  // initialise from AliTPCseed
+
+  Reset();
+  if( !p ) return;
+  fParam.SetExternalTrackParam(  p );
+  fLabel = p->GetLabel();  
+  for( Int_t irow=0; irow<160; irow++ ){
+    AddCluster( p->GetClusterPointer(irow), p->GetTrackPointConst(irow) );
+  }
+}
+
+void AliFlatTPCseed::GetTPCseed( AliTPCseed *p ) const
+{
+   // write to AliTPCseed
+  if( !p ) return;
+  p->Reset();
+
+  AliTPCseed seed;
+
+  fParam.GetExternalTrackParam( seed );
+  seed.SetLabel(fLabel);  
+  seed.SetNumberOfClusters(fNTPCClusters);
+
+  AliTPCclusterMI * clusters = new AliTPCclusterMI[fNTPCClusters];
+
+  const AliFlatTPCCluster *flatClusters = reinterpret_cast< const AliFlatTPCCluster* >( fContent );
+
+  for( Int_t ic=0; ic<fNTPCClusters; ic++){
+    const AliFlatTPCCluster &flatCluster = flatClusters[ic];
+    int sec = flatCluster.GetSector();
+    int row = flatCluster.GetPadRow();
+    if(sec >= 36) row = row + AliHLTTPCTransform::GetNRowLow();
+    if( row<160 ){
+      flatCluster.GetTPCCluster( &(clusters[ic]), seed.GetTrackPoint(row) );
+      seed.SetClusterPointer( row , &(clusters[ic]) );
+    }
+  }
+  new (p) AliTPCseed( seed, kTRUE ); // true means that p creates its own cluster objects
+  delete [] clusters;
+}