SimBeamSpotObjects.h

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#ifndef SIMBEAMSPOTOBJECTS_H
#define SIMBEAMSPOTOBJECTS_H
 
#include "CondFormats/Serialization/interface/Serializable.h"
 
#include <sstream>
#include "CLHEP/Units/GlobalSystemOfUnits.h"
#include "CLHEP/Units/GlobalPhysicalConstants.h"
 
#include "FWCore/ParameterSet/interface/ParameterSet.h"
 
class SimBeamSpotObjects {
public:
  SimBeamSpotObjects(){};
  virtual ~SimBeamSpotObjects(){};
 
  double fX0, fY0, fZ0;
  double fSigmaZ;
  double fbetastar, femittance;
  double fPhi, fAlpha;
  double fTimeOffset;
 
  void print(std::stringstream& ss) const;
 
  void read(edm::ParameterSet& p) {
    fX0 = p.getParameter<double>("X0") * cm;
    fY0 = p.getParameter<double>("Y0") * cm;
    fZ0 = p.getParameter<double>("Z0") * cm;
    fSigmaZ = p.getParameter<double>("SigmaZ") * cm;
    fAlpha = p.getParameter<double>("Alpha") * radian;
    fPhi = p.getParameter<double>("Phi") * radian;
    fbetastar = p.getParameter<double>("BetaStar") * cm;
    femittance = p.getParameter<double>("Emittance") * cm;              // this is not the normalized emittance
    fTimeOffset = p.getParameter<double>("TimeOffset") * ns * c_light;  // HepMC time units are mm
  }
 
  COND_SERIALIZABLE;
};
 
std::ostream& operator<<(std::ostream&, SimBeamSpotObjects beam);
 
#endif