/data/refman/pasoursint/CMSSW_4_2_9_HLT1_bphpatch4/src/RecoTracker/TransientTrackingRecHit/src/TSiStripRecHit2DLocalPos.cc

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#include "RecoTracker/TransientTrackingRecHit/interface/TSiStripRecHit2DLocalPos.h"
#include "RecoTracker/TransientTrackingRecHit/interface/TSiStripRecHit1D.h"
#include "Geometry/CommonDetUnit/interface/GeomDetUnit.h"
#include "DataFormats/SiStripCluster/interface/SiStripCluster.h"
#include "RecoLocalTracker/ClusterParameterEstimator/interface/StripClusterParameterEstimator.h"


TransientTrackingRecHit::RecHitPointer
TSiStripRecHit2DLocalPos::clone (const TrajectoryStateOnSurface& ts) const
{
  if (theCPE != 0) {


     if(!specificHit()->cluster().isNull()){
       const SiStripCluster&  clust = *specificHit()->cluster();  
           StripClusterParameterEstimator::LocalValues lv = 
      theCPE->localParameters( clust, *detUnit(), ts);
           return TSiStripRecHit2DLocalPos::build( lv.first, lv.second, det(), 
                                                   specificHit()->cluster(), theCPE, weight(), getAnnealingFactor());
     }else{
       const SiStripCluster&  clust = *specificHit()->cluster_regional();  
       StripClusterParameterEstimator::LocalValues lv = 
         theCPE->localParameters( clust, *detUnit(), ts);
       return TSiStripRecHit2DLocalPos::build( lv.first, lv.second, det(), 
                                               specificHit()->cluster_regional(), theCPE, weight(), getAnnealingFactor());       
     }

  }
  else return clone();
}

const GeomDetUnit* TSiStripRecHit2DLocalPos::detUnit() const
{
  return static_cast<const GeomDetUnit*>(det());
}

TransientTrackingRecHit::ConstRecHitContainer   
TSiStripRecHit2DLocalPos::transientHits () const {
  ConstRecHitContainer result;
  SiStripRecHit1D hit1d(specificHit());
  result.push_back(TSiStripRecHit1D::build( det(),&hit1d,
                                            cpe()));

  return result;
}