/data/git/CMSSW_5_3_11_patch5/src/Alignment/MuonAlignment/interface/AlignableCSCRing.h

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#ifndef Alignment_MuonAlignment_AlignableCSCRing_H
#define Alignment_MuonAlignment_AlignableCSCRing_H

#include "Alignment/CommonAlignment/interface/Alignable.h"
#include "Alignment/CommonAlignment/interface/AlignableComposite.h"
#include "Alignment/CommonAlignment/interface/AlignableSurface.h"

#include "Alignment/MuonAlignment/interface/AlignableCSCChamber.h"


#include <vector>

class GeomDet;
class AlignableCSCChamber;


class AlignableCSCRing : public AlignableComposite 
{

 public:

  AlignableCSCRing( const std::vector<AlignableCSCChamber*> cscChambers );

  ~AlignableCSCRing();
  
  virtual std::vector<Alignable*> components() const 
  {

        std::vector<Alignable*> result;
        result.insert( result.end(), theCSCChambers.begin(), theCSCChambers.end() );
        return result;

  }
  
  // gets the global position as the average over all positions of the layers
  PositionType computePosition() ;
  // get the global orientation
  RotationType computeOrientation() ; //see explanation for "theOrientation"
  // get the Surface
  AlignableSurface computeSurface() ;

  AlignableCSCChamber &chamber(int i);  
  
  //virtual void twist(float);

  friend std::ostream& operator << ( std::ostream&, const AlignableCSCRing& ); 

  void dump( void ) const;



private:

  std::vector<AlignableCSCChamber*> theCSCChambers;


};

#endif