#ifndef TPCALIGNMENTHELPER_H
#define TPCALIGNMENTHELPER_H
#include <TMatrixD.h>
#include <TObject.h>
#include <TVector3.h>
#include <TGeoMatrix.h>
class TpcAlignmentHelper : public TObject
{
public:
  TpcAlignmentHelper();
private:
  const double deg2rad;
public:
  std::vector<double> getRotationMatrixZYX(double phi,double theta, double psi, bool print=false);
  void getAnglesZYX(TGeoRotation* rot, double& phi,double& theta, double& psi);
  void getAnglesZYX(std::vector<double> mat, double& phi,double& theta, double& psi);
  std::vector<double> getAnglesZYX(std::vector<double> mat);
  std::vector<double> getAnglesZYX(TGeoRotation* rot);
  ClassDef(TpcAlignmentHelper,0)

};

#endif // TPCALIGNMENTHELPER_H