AlignmentParameters.h

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#ifndef Alignment_CommonAlignment_AlignmentParameters_H
#define Alignment_CommonAlignment_AlignmentParameters_H

#include <vector>

#include "Alignment/CommonAlignment/interface/AlignmentParametersData.h"
#include "Alignment/CommonAlignment/interface/AlignmentUserVariables.h"

#include "DataFormats/CLHEP/interface/AlgebraicObjects.h"


// include and not forward declare to ensure automatic conversion from AlignableDet(Unit):
// NO: include problems... #include "Alignment/CommonAlignment/interface/AlignableDetOrUnitPtr.h"
class AlignableDetOrUnitPtr;
class Alignable;
class TrajectoryStateOnSurface;
class RecHit;

class AlignmentParameters {
public:
  typedef AlignmentParametersData::DataContainer DataContainer;

  AlignmentParameters();

  AlignmentParameters(Alignable* object, const AlgebraicVector& par, const AlgebraicSymMatrix& cov);

  AlignmentParameters(Alignable* object,
                      const AlgebraicVector& par,
                      const AlgebraicSymMatrix& cov,
                      const std::vector<bool>& sel);

  AlignmentParameters(Alignable* object, const DataContainer& data);

  virtual ~AlignmentParameters();

  virtual void apply() = 0;
  virtual int type() const = 0;

  virtual AlignmentParameters* clone(const AlgebraicVector& par, const AlgebraicSymMatrix& cov) const = 0;
  virtual AlignmentParameters* cloneFromSelected(const AlgebraicVector& par, const AlgebraicSymMatrix& cov) const = 0;

  const std::vector<bool>& selector(void) const;

  int numSelected(void) const;

  AlgebraicVector selectedParameters(void) const;

  AlgebraicSymMatrix selectedCovariance(void) const;

  const AlgebraicVector& parameters(void) const;

  const AlgebraicSymMatrix& covariance(void) const;

  virtual AlgebraicMatrix derivatives(const TrajectoryStateOnSurface& tsos,
                                      const AlignableDetOrUnitPtr& alidet) const = 0;
  virtual AlgebraicMatrix selectedDerivatives(const TrajectoryStateOnSurface& tsos,
                                              const AlignableDetOrUnitPtr& alidet) const;

  void setUserVariables(AlignmentUserVariables* auv);
  AlignmentUserVariables* userVariables(void) const;

  Alignable* alignable(void) const;

  virtual unsigned int hierarchyLevel() const;

  int size(void) const;

  bool isValid(void) const;
  void setValid(bool v);

protected:
  // private helper methods
  AlgebraicSymMatrix collapseSymMatrix(const AlgebraicSymMatrix& m, const std::vector<bool>& sel) const;
  AlgebraicVector collapseVector(const AlgebraicVector& m, const std::vector<bool>& sel) const;
  AlgebraicSymMatrix expandSymMatrix(const AlgebraicSymMatrix& m, const std::vector<bool>& sel) const;
  AlgebraicVector expandVector(const AlgebraicVector& m, const std::vector<bool>& sel) const;

  // data members

  Alignable* theAlignable;

  DataContainer theData;

  AlignmentUserVariables* theUserVariables;

  bool bValid;  
};

#endif