/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_13_patch3/src/RecoTracker/TkDetLayers/src/TECWedgeBuilder.cc

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#include "TECWedgeBuilder.h"
#include "CompositeTECWedge.h"
#include "SimpleTECWedge.h"

using namespace edm;
using namespace std;

TECWedge* TECWedgeBuilder::build(const GeometricDet* aTECWedge,
                                 const TrackerGeometry* theGeomDetGeometry)
{
  vector<const GeometricDet*>  theGeometricDets = aTECWedge->components();
  //edm::LogInfo(TkDetLayers) << "theGeometricDets.size(): " << theGeometricDets.size() ;

  if(theGeometricDets.size() == 1 ) {
    const GeomDet* theGeomDet = 
      theGeomDetGeometry->idToDet( theGeometricDets.front()->geographicalID() );
    return new SimpleTECWedge(theGeomDet);
  }

  vector<const GeomDet*> innerGeomDets;
  vector<const GeomDet*> outerGeomDets;

  //---- to evaluate meanZ
  double meanZ = 0;
  for(vector<const GeometricDet*>::const_iterator it=theGeometricDets.begin();
      it!=theGeometricDets.end();it++){
    meanZ = meanZ + (*it)->positionBounds().z();
  }

  meanZ = meanZ/theGeometricDets.size();
  //edm::LogInfo(TkDetLayers) << "meanZ: " << meanZ ;
  //----

  for(vector<const GeometricDet*>::const_iterator it=theGeometricDets.begin();
      it!=theGeometricDets.end();it++){
    //double theGeometricDetRposition = (*it)->positionBounds().perp();
    const GeomDet* theGeomDet = theGeomDetGeometry->idToDet( (*it)->geographicalID() );
    //double theGeomDetRposition = theGeomDet->surface().position().perp();    

    if( fabs( (*it)->positionBounds().z() ) < fabs(meanZ))
      innerGeomDets.push_back(theGeomDet);

    if( fabs( (*it)->positionBounds().z() ) > fabs(meanZ))
      outerGeomDets.push_back(theGeomDet);      
  }

  //edm::LogInfo(TkDetLayers) << "innerGeomDets.size(): " << innerGeomDets.size() ;
  //edm::LogInfo(TkDetLayers) << "outerGeomDets.size(): " << outerGeomDets.size() ;

  return new CompositeTECWedge(innerGeomDets,outerGeomDets);
}