/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/Alignment/MuonAlignment/src/AlignableDTWheel.cc

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#include "Alignment/MuonAlignment/interface/AlignableDTWheel.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"



AlignableDTWheel::AlignableDTWheel( const std::vector<AlignableDTStation*> dtStations ) 
   : AlignableComposite(dtStations[0]->id(), align::AlignableDTWheel)
{

  theDTStations.insert( theDTStations.end(), dtStations.begin(), dtStations.end() );

  setSurface( computeSurface() );
   
}
      

AlignableDTWheel::~AlignableDTWheel() 
{
  for ( std::vector<AlignableDTStation*>::iterator iter = theDTStations.begin(); 
        iter != theDTStations.end(); iter++)
    delete *iter;

}

AlignableDTStation &AlignableDTWheel::station(int i) 
{
  
  if (i >= size() ) 
        throw cms::Exception("LogicError") << "Station index (" << i << ") out of range";

  return *theDTStations[i];
  
}


AlignableSurface AlignableDTWheel::computeSurface()
{

  return AlignableSurface( computePosition(), computeOrientation() );

}



AlignableDTWheel::PositionType AlignableDTWheel::computePosition() 
{

  float zz = 0.;

  for ( std::vector<AlignableDTStation*>::iterator ilayer = theDTStations.begin();
                ilayer != theDTStations.end(); ilayer++ )
    zz += (*ilayer)->globalPosition().z();

  zz /= static_cast<float>(theDTStations.size());

  return PositionType( 0.0, 0.0, zz );

}


AlignableDTWheel::RotationType AlignableDTWheel::computeOrientation() 
{
  return RotationType();
}


std::ostream &operator << (std::ostream& os, const AlignableDTWheel& b )
{

  os << "This DTWheel contains " << b.theDTStations.size() << " DT stations" << std::endl;
  os << "(phi, r, z) =  (" << b.globalPosition().phi() << "," 
     << b.globalPosition().perp() << "," << b.globalPosition().z();
  os << "),  orientation:" << std::endl<< b.globalRotation() << std::endl;
  return os;

}


void AlignableDTWheel::dump( void ) const 
{

  edm::LogInfo("AlignableDump") << (*this);
  for ( std::vector<AlignableDTStation*>::const_iterator iStation = theDTStations.begin();
                iStation != theDTStations.end(); iStation++ )
        (*iStation)->dump();

}