/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_7/src/Alignment/MillePedeAlignmentAlgorithm/interface/MillePedeAlignmentAlgorithm.h

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#ifndef Alignment_MillePedeAlignmentAlgorithm_MillePedeAlignmentAlgorithm_h
#define Alignment_MillePedeAlignmentAlgorithm_MillePedeAlignmentAlgorithm_h


#include "Alignment/CommonAlignmentAlgorithm/interface/AlignmentAlgorithmBase.h"

#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "TrackingTools/TrajectoryState/interface/TrajectoryStateOnSurface.h"
#include "TrackingTools/TransientTrackingRecHit/interface/TransientTrackingRecHit.h"

#include "Alignment/ReferenceTrajectories/interface/ReferenceTrajectoryBase.h"

#include <vector>
#include <string>

#include <TMatrixDSym.h>
#include <TMatrixD.h>
#include <TMatrixF.h>

class Alignable;
class AlignableTracker;
class AlignableMuon;
class AlignableExtras;

class AlignmentParameters;
class AlignableNavigator;
class AlignableDetOrUnitPtr;
class AlignmentUserVariables;

class AlignmentParameterStore;

class IntegratedCalibrationBase;

class MillePedeMonitor;
class PedeSteerer;
class PedeLabelerBase;
class Mille;
class TrajectoryFactoryBase;

// already from base class - and forward declaration does not work since typedef!
/* class TkFittedLasBeamCollection; */
/* class TsosVectorCollection; */

class MillePedeAlignmentAlgorithm : public AlignmentAlgorithmBase
{
 public:
  MillePedeAlignmentAlgorithm(const edm::ParameterSet &cfg);

  virtual ~MillePedeAlignmentAlgorithm();

  virtual void initialize(const edm::EventSetup &setup,
                          AlignableTracker *tracker, AlignableMuon *muon, AlignableExtras *extras,
                          AlignmentParameterStore *store);

  virtual bool addCalibrations(const std::vector<IntegratedCalibrationBase*> &iCals);

  virtual void terminate(const edm::EventSetup& iSetup);

  virtual void run(const edm::EventSetup &setup, const EventInfo &eventInfo);

  virtual void endRun(const EventInfo &eventInfo, const EndRunInfo &runInfo,
                      const edm::EventSetup &setup);

/*   virtual void beginLuminosityBlock(const edm::EventSetup &setup) {} */
/*   virtual void endLuminosityBlock(const edm::EventSetup &setup) {} */

  virtual bool setParametersForRunRange(const RunRange &runrange);

 private:
  enum MeasurementDirection {kLocalX = 0, kLocalY};

  std::pair<unsigned int, unsigned int>
    addReferenceTrajectory(const edm::EventSetup &setup, const EventInfo &eventInfo, 
                           const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &refTrajPtr);

  int addMeasurementData(const edm::EventSetup &setup, const EventInfo &eventInfo, 
                         const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &refTrajPtr,
                         unsigned int iHit, AlignmentParameters *&params);

  unsigned int addHitCount(const std::vector<AlignmentParameters*> &parVec,
                           const std::vector<bool> &validHitVecY) const;

  void addRefTrackData2D(const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &refTrajPtr,
                         unsigned int iTrajHit, TMatrixDSym &aHitCovarianceM,
                         TMatrixF &aHitResidualsM, TMatrixF &aLocalDerivativesM);
  
  void addVirtualMeas(const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &refTrajPtr,
                      unsigned int iVirtualMeas);
                           
  void addRefTrackVirtualMeas1D(const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &refTrajPtr,
                                unsigned int iVirtualMeas,TMatrixDSym &aHitCovarianceM,
                                TMatrixF &aHitResidualsM, TMatrixF &aLocalDerivativesM);
  
  bool globalDerivativesHierarchy(const EventInfo &eventInfo, 
                                  const TrajectoryStateOnSurface &tsos,
                                  Alignable *ali, const AlignableDetOrUnitPtr &alidet,
                                  std::vector<float> &globalDerivativesX,
                                  std::vector<float> &globalDerivativesY,
                                  std::vector<int> &globalLabels,
                                  AlignmentParameters *&lowestParams) const;

  void globalDerivativesCalibration(const TransientTrackingRecHit::ConstRecHitPointer &recHit,
                                    const TrajectoryStateOnSurface &tsos,
                                    const edm::EventSetup &setup, const EventInfo &eventInfo,
                                    std::vector<float> &globalDerivativesX,
                                    std::vector<float> &globalDerivativesY,
                                    std::vector<int> &globalLabels) const;

  int callMille(const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &refTrajPtr,
                unsigned int iTrajHit, const std::vector<int> &globalLabels,
                const std::vector<float> &globalDerivativesX,
                const std::vector<float> &globalDerivativesY);

  int callMille1D(const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &refTrajPtr,
                  unsigned int iTrajHit, const std::vector<int> &globalLabels,
                  const std::vector<float> &globalDerivativesX);

  int callMille2D ( const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &refTrajPtr,
                    unsigned int iTrajHit, const std::vector<int> &globalLabels,
                    const std::vector<float> &globalDerivativesx,
                    const std::vector<float> &globalDerivativesy);
  void  diagonalize(TMatrixDSym &aHitCovarianceM, TMatrixF &aLocalDerivativesM,
                    TMatrixF &aHitResidualsM,TMatrixF &theGlobalDerivativesM) const;
  // deals with the non matrix format of theFloatBufferX ...
  void makeGlobDerivMatrix(const std::vector<float> &globalDerivativesx,
                           const std::vector<float> &globalDerivativesy,
                           TMatrixF &aGlobalDerivativesM);

//   void callMille(const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &refTrajPtr, 
//               unsigned int iTrajHit, MeasurementDirection xOrY,
//               const std::vector<float> &globalDerivatives, const std::vector<int> &globalLabels);
  bool is2D(const TransientTrackingRecHit::ConstRecHitPointer &recHit) const;

  bool readFromPede(const edm::ParameterSet &mprespset, bool setUserVars,
                    const RunRange &runrange);
  bool areEmptyParams(const std::vector<Alignable*> &alignables) const;
  unsigned int doIO(int loop) const;
  void buildUserVariables(const std::vector<Alignable*> &alignables) const;

  void addLaserData(const EventInfo &eventInfo, 
                    const TkFittedLasBeamCollection &tkLasBeams,
                    const TsosVectorCollection &tkLasBeamTsoses);
  void addLasBeam(const EventInfo &eventInfo, 
                  const TkFittedLasBeam &lasBeam,
                  const std::vector<TrajectoryStateOnSurface> &tsoses);

  void addPxbSurvey(const edm::ParameterSet &pxbSurveyCfg);

  //--------------------------------------------------------
  // Data members
  //--------------------------------------------------------
  enum EModeBit {myMilleBit = 1 << 0, myPedeRunBit = 1 << 1, myPedeSteerBit = 1 << 2,
                 myPedeReadBit = 1 << 3};
  unsigned int decodeMode(const std::string &mode) const;
  bool isMode(unsigned int testMode) const {return (theMode & testMode);}
  bool addHitStatistics(int fromLoop, const std::string &outFile,
                        const std::vector<std::string> &inFiles) const;
  bool addHits(const std::vector<Alignable*> &alis,
               const std::vector<AlignmentUserVariables*> &mpVars) const;

  edm::ParameterSet         theConfig;
  unsigned int              theMode;
  std::string               theDir; 
  AlignmentParameterStore  *theAlignmentParameterStore;
  std::vector<Alignable*>   theAlignables;
  AlignableNavigator       *theAlignableNavigator;
  MillePedeMonitor         *theMonitor;
  Mille                    *theMille;
  PedeLabelerBase          *thePedeLabels;
  PedeSteerer              *thePedeSteer;
  TrajectoryFactoryBase    *theTrajectoryFactory;
  std::vector<IntegratedCalibrationBase*> theCalibrations;
  unsigned int              theMinNumHits;
  double                    theMaximalCor2D; 

  int                       theLastWrittenIov; // keeping track for output trees...
  std::vector<float>        theFloatBufferX;
  std::vector<float>        theFloatBufferY;
  std::vector<int>          theIntBuffer;
  bool                      theDoSurveyPixelBarrel;
};

#endif