MillePedeAlignmentAlgorithm Class Reference

#include <MillePedeAlignmentAlgorithm.h>

Inheritance diagram for MillePedeAlignmentAlgorithm:

List of all members.

Public Member Functions
virtual void	endRun (const EventInfo &eventInfo, const EndRunInfo &runInfo, const edm::EventSetup &setup)
	Run on run products, e.g. TkLAS.
virtual void	initialize (const edm::EventSetup &setup, AlignableTracker *tracker, AlignableMuon *muon, AlignableExtras *extras, AlignmentParameterStore *store)
	Call at beginning of job.
	MillePedeAlignmentAlgorithm (const edm::ParameterSet &cfg)
	Constructor.
virtual void	run (const edm::EventSetup &setup, const EventInfo &eventInfo)
	Run the algorithm on trajectories and tracks.
virtual void	setParametersForRunRange (const RunRange &runrange)
virtual void	terminate ()
	Call at end of job.
virtual	~MillePedeAlignmentAlgorithm ()
	Destructor.
Private Types
enum	EModeBit { myMilleBit = 1 << 0, myPedeRunBit = 1 << 1, myPedeSteerBit = 1 << 2, myPedeReadBit = 1 << 3 }
enum	MeasurementDirection { kLocalX = 0, kLocalY }
Private Member Functions
bool	addHits (const std::vector< Alignable * > &alis, const std::vector< AlignmentUserVariables * > &mpVars) const
bool	addHitStatistics (int fromLoop, const std::string &outFile, const std::vector< std::string > &inFiles) const
void	addLasBeam (const EventInfo &eventInfo, const TkFittedLasBeam &lasBeam, const std::vector< TrajectoryStateOnSurface > &tsoses)
void	addLaserData (const EventInfo &eventInfo, const TkFittedLasBeamCollection &tkLasBeams, const TsosVectorCollection &tkLasBeamTsoses)
int	addMeasurementData (const EventInfo &eventInfo, const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &refTrajPtr, unsigned int iHit, AlignmentParameters *&params)
void	addMsMeas (const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &refTrajPtr, unsigned int iMsMeas)
	adds data from reference trajectory from a specific multiple scattering measurement
void	addPxbSurvey (const edm::ParameterSet &pxbSurveyCfg)
	add measurement data from PXB survey
std::pair< unsigned int, unsigned int >	addReferenceTrajectory (const EventInfo &eventInfo, const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &refTrajPtr)
	fill mille for a trajectory, returning number of x/y hits ([0,0] if 'bad' trajectory)
void	addRefTrackData2D (const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &refTrajPtr, unsigned int iTrajHit, TMatrixDSym &aHitCovarianceM, TMatrixF &aHitResidualsM, TMatrixF &aLocalDerivativesM)
	adds data from reference trajectory from a specific Hit
void	addRefTrackMsMeas1D (const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &refTrajPtr, unsigned int iTrajHit, TMatrixDSym &aHitCovarianceM, TMatrixF &aHitResidualsM, TMatrixF &aLocalDerivativesM)
	adds multiple scattering data from reference trajectory from a specific Hit
bool	areEmptyParams (const std::vector< Alignable * > &alignables) const
void	buildUserVariables (const std::vector< Alignable * > &alignables) const
	add MillePedeVariables for each AlignmentParameters (exception if no parameters...)
int	callMille (const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &refTrajPtr, unsigned int iTrajHit, const std::vector< int > &globalLabels, const std::vector< float > &globalDerivativesX, const std::vector< float > &globalDerivativesY)
	calls callMille1D or callMille2D
int	callMille1D (const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &refTrajPtr, unsigned int iTrajHit, const std::vector< int > &globalLabels, const std::vector< float > &globalDerivativesX)
	calls Mille for 1D hits
int	callMille2D (const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &refTrajPtr, unsigned int iTrajHit, const std::vector< int > &globalLabels, const std::vector< float > &globalDerivativesx, const std::vector< float > &globalDerivativesy)
unsigned int	decodeMode (const std::string &mode) const
void	diagonalize (TMatrixDSym &aHitCovarianceM, TMatrixF &aLocalDerivativesM, TMatrixF &aHitResidualsM, TMatrixF &theGlobalDerivativesM) const
unsigned int	doIO (int loop) const
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
	recursively adding derivatives and labels, false if problems
bool	is2D (const TransientTrackingRecHit::ConstRecHitPointer &recHit) const
	true if hit belongs to 2D detector (currently tracker specific)
bool	isMode (unsigned int testMode) const
void	makeGlobDerivMatrix (const std::vector< float > &globalDerivativesx, const std::vector< float > &globalDerivativesy, TMatrixF &aGlobalDerivativesM)
bool	readFromPede (const edm::ParameterSet &mprespset, bool setUserVars, const RunRange &runrange)
	read pede input defined by 'psetName', flag to create/not create MillePedeVariables
Private Attributes
AlignableNavigator *	theAlignableNavigator
std::vector< Alignable * >	theAlignables
AlignmentParameterStore *	theAlignmentParameterStore
	directory for all kind of files
edm::ParameterSet	theConfig
std::string	theDir
bool	theDoSurveyPixelBarrel
std::vector< float >	theFloatBufferX
std::vector< float >	theFloatBufferY
std::vector< int >	theIntBuffer
double	theMaximalCor2D
Mille *	theMille
unsigned int	theMinNumHits
unsigned int	theMode
MillePedeMonitor *	theMonitor
const PedeLabelerBase *	thePedeLabels
PedeSteerer *	thePedeSteer
TrajectoryFactoryBase *	theTrajectoryFactory

---

Detailed Description

CMSSW interface to pede: produces pede's binary input and steering file(s)

Author:

: Gero Flucke date : October 2006

Revision:

1.32

Date:

2011/02/16 13:11:57

(last update by

Author:

mussgill

)

Definition at line 52 of file MillePedeAlignmentAlgorithm.h.

---

Member Enumeration Documentation

enum MillePedeAlignmentAlgorithm::EModeBit [private]

Enumerator:

myMilleBit
myPedeRunBit
myPedeSteerBit
myPedeReadBit

Definition at line 173 of file MillePedeAlignmentAlgorithm.h.

                {myMilleBit = 1 << 0, myPedeRunBit = 1 << 1, myPedeSteerBit = 1 << 2,
                 myPedeReadBit = 1 << 3};

enum MillePedeAlignmentAlgorithm::MeasurementDirection [private]

Enumerator:

kLocalX
kLocalY

Definition at line 84 of file MillePedeAlignmentAlgorithm.h.

{kLocalX = 0, kLocalY};

---

Constructor & Destructor Documentation

MillePedeAlignmentAlgorithm::MillePedeAlignmentAlgorithm

(

const edm::ParameterSet &

cfg

)

Constructor.

Definition at line 78 of file MillePedeAlignmentAlgorithm.cc.

References edm::ParameterSet::getUntrackedParameter(), theConfig, and theDir.

                                                                                   :
  AlignmentAlgorithmBase(cfg), 
  theConfig(cfg), theMode(this->decodeMode(theConfig.getUntrackedParameter<std::string>("mode"))),
  theDir(theConfig.getUntrackedParameter<std::string>("fileDir")),
  theAlignmentParameterStore(0), theAlignables(), theAlignableNavigator(0),
  theMonitor(0), theMille(0), thePedeLabels(0), thePedeSteer(0),
  theTrajectoryFactory(0),
  theMinNumHits(cfg.getParameter<unsigned int>("minNumHits")),
  theMaximalCor2D(cfg.getParameter<double>("max2Dcorrelation"))
{
  if (!theDir.empty() && theDir.find_last_of('/') != theDir.size()-1) theDir += '/';// may need '/'
  edm::LogInfo("Alignment") << "@SUB=MillePedeAlignmentAlgorithm" << "Start in mode '"
                            << theConfig.getUntrackedParameter<std::string>("mode")
                            << "' with output directory '" << theDir << "'.";
}

MillePedeAlignmentAlgorithm::~MillePedeAlignmentAlgorithm

(

)

[virtual]

Destructor.

Definition at line 96 of file MillePedeAlignmentAlgorithm.cc.

References theAlignableNavigator, theMille, theMonitor, thePedeLabels, thePedeSteer, and theTrajectoryFactory.

{
  delete theAlignableNavigator;
  theAlignableNavigator = 0;
  delete theMille;
  theMille = 0;
  delete theMonitor;
  theMonitor = 0;
  delete thePedeSteer;
  thePedeSteer = 0;
  delete thePedeLabels;
  thePedeLabels = 0;
  delete theTrajectoryFactory;
  theTrajectoryFactory = 0;
}

---

Member Function Documentation

bool MillePedeAlignmentAlgorithm::addHits	(	const std::vector< Alignable * > &	alis,
		const std::vector< AlignmentUserVariables * > &	mpVars
	)		const [private]

Definition at line 733 of file MillePedeAlignmentAlgorithm.cc.

References MillePedeVariables::hitsX(), MillePedeVariables::hitsY(), MillePedeVariables::increaseHitsX(), MillePedeVariables::increaseHitsY(), MillePedeVariables::size(), and AlignmentParameters::userVariables().

Referenced by addHitStatistics().

{
  bool allOk = (mpVars.size() == alis.size());
  std::vector<AlignmentUserVariables*>::const_iterator iUser = mpVars.begin();
  for (std::vector<Alignable*>::const_iterator iAli = alis.begin(); 
       iAli != alis.end() && iUser != mpVars.end(); ++iAli, ++iUser) {
    MillePedeVariables *mpVarNew = dynamic_cast<MillePedeVariables*>(*iUser);
    AlignmentParameters *ps = (*iAli)->alignmentParameters();
    MillePedeVariables *mpVarOld = (ps ? dynamic_cast<MillePedeVariables*>(ps->userVariables()) : 0);
    if (!mpVarNew || !mpVarOld || mpVarOld->size() != mpVarNew->size()) {
      allOk = false;
      continue; // FIXME error etc.?
    }

    mpVarOld->increaseHitsX(mpVarNew->hitsX());
    mpVarOld->increaseHitsY(mpVarNew->hitsY());
  }
  
  return allOk;
}

bool MillePedeAlignmentAlgorithm::addHitStatistics	(	int	fromLoop,
		const std::string &	outFile,
		const std::vector< std::string > &	inFiles
	)		const [private]

Definition at line 691 of file MillePedeAlignmentAlgorithm.cc.

References addHits(), i, MillePedeVariablesIORoot::readMillePedeVariables(), theAlignables, and theDir.

Referenced by doIO().

{
  bool allOk = true;
  int ierr = 0;
  MillePedeVariablesIORoot millePedeIO;
  if (inFiles.empty()) {
    const std::vector<AlignmentUserVariables*> mpVars =
      millePedeIO.readMillePedeVariables(theAlignables, outFile.c_str(), fromLoop, ierr);
    if (ierr || !this->addHits(theAlignables, mpVars)) {
      edm::LogError("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::addHitStatistics"
                                 << "Error " << ierr << " reading from " << outFile 
                                 << ", tree " << fromLoop << ", or problems in addHits";
      allOk = false;
    }
    for (std::vector<AlignmentUserVariables*>::const_iterator i = mpVars.begin();
         i != mpVars.end(); ++i){
      delete *i; // clean created objects
    }
  } else {
    for (std::vector<std::string>::const_iterator iFile = inFiles.begin();
         iFile != inFiles.end(); ++iFile) {
      const std::string inFile(theDir + *iFile); 
      const std::vector<AlignmentUserVariables*> mpVars =
        millePedeIO.readMillePedeVariables(theAlignables, inFile.c_str(), fromLoop, ierr);
      if (ierr || !this->addHits(theAlignables, mpVars)) {
        edm::LogError("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::addHitStatistics"
                                   << "Error " << ierr << " reading from " << inFile 
                                   << ", tree " << fromLoop << ", or problems in addHits";
        allOk = false;
      }
      for (std::vector<AlignmentUserVariables*>::const_iterator i = mpVars.begin();
           i != mpVars.end(); ++i) {
        delete *i; // clean created objects
      }
    }
  }

  return allOk;
}

void MillePedeAlignmentAlgorithm::addLasBeam	(	const EventInfo &	eventInfo,
		const TkFittedLasBeam &	lasBeam,
		const std::vector< TrajectoryStateOnSurface > &	tsoses
	)		[private]

Definition at line 1041 of file MillePedeAlignmentAlgorithm.cc.

References AlignableNavigator::alignableFromDetId(), funct::derivative(), TkFittedLasBeam::derivatives(), Mille::end(), error, TkFittedLasBeam::firstFixedParameter(), TkLasBeam::getBeamId(), TkLasBeam::getData(), SiStripLaserRecHit2D::getDetId(), globalDerivativesHierarchy(), PedeLabelerBase::lasBeamLabel(), SiStripLaserRecHit2D::localPosition(), Mille::mille(), PedeLabelerBase::parameterLabel(), TkFittedLasBeam::parameters(), theAlignableNavigator, theFloatBufferX, theFloatBufferY, theIntBuffer, theMille, thePedeLabels, and PV3DBase< T, PVType, FrameType >::x().

Referenced by addLaserData().

{
  AlignmentParameters *dummyPtr = 0; // for globalDerivativesHierarchy()
  std::vector<float> lasLocalDerivsX; // buffer for local derivatives
  const unsigned int beamLabel = thePedeLabels->lasBeamLabel(lasBeam.getBeamId());// for global par
  
  for (unsigned int iHit = 0; iHit < tsoses.size(); ++iHit) {
    if (!tsoses[iHit].isValid()) continue;
    // clear buffer
    theFloatBufferX.clear();
    theFloatBufferY.clear();
    theIntBuffer.clear();
    lasLocalDerivsX.clear();
    // get alignables and global parameters
    const SiStripLaserRecHit2D &hit = lasBeam.getData()[iHit];
    AlignableDetOrUnitPtr lasAli(theAlignableNavigator->alignableFromDetId(hit.getDetId()));
    this->globalDerivativesHierarchy(eventInfo,
                                     tsoses[iHit], lasAli, lasAli, 
                                     theFloatBufferX, theFloatBufferY, theIntBuffer, dummyPtr);
    // fill derivatives vector from derivatives matrix
    for (unsigned int nFitParams = 0; 
         nFitParams < static_cast<unsigned int>(lasBeam.parameters().size()); 
         ++nFitParams) {
      const float derivative = lasBeam.derivatives()[iHit][nFitParams];
      if (nFitParams < lasBeam.firstFixedParameter()) { // first local beam parameters
        lasLocalDerivsX.push_back(derivative);
      } else {                                          // now global ones
        const unsigned int numPar = nFitParams - lasBeam.firstFixedParameter();
        theIntBuffer.push_back(thePedeLabels->parameterLabel(beamLabel, numPar));
        theFloatBufferX.push_back(derivative);
      }
    } // end loop over parameters

    const float residual = hit.localPosition().x() - tsoses[iHit].localPosition().x();
    // error from file or assume 0.003
    const float error = 0.003; // hit.localPositionError().xx(); sqrt???
    
    theMille->mille(lasLocalDerivsX.size(), &(lasLocalDerivsX[0]), theFloatBufferX.size(),
                    &(theFloatBufferX[0]), &(theIntBuffer[0]), residual, error);
  } // end of loop over hits
  
  theMille->end();
}

void MillePedeAlignmentAlgorithm::addLaserData	(	const EventInfo &	eventInfo,
		const TkFittedLasBeamCollection &	tkLasBeams,
		const TsosVectorCollection &	tkLasBeamTsoses
	)		[private]

Definition at line 1022 of file MillePedeAlignmentAlgorithm.cc.

References addLasBeam().

Referenced by endRun().

{
  TsosVectorCollection::const_iterator iTsoses = lasBeamTsoses.begin();
  for(TkFittedLasBeamCollection::const_iterator iBeam = lasBeams.begin(), iEnd = lasBeams.end();
      iBeam != iEnd; ++iBeam, ++iTsoses){ // beam/tsoses parallel!

    edm::LogInfo("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::addLaserData"
                              << "Beam " << iBeam->getBeamId() << " with " 
                              << iBeam->parameters().size() << " parameters and " 
                              << iBeam->getData().size() << " hits.\n There are " 
                              << iTsoses->size() << " TSOSes.";

    this->addLasBeam(eventInfo, *iBeam, *iTsoses);
  }
}

int MillePedeAlignmentAlgorithm::addMeasurementData	(	const EventInfo &	eventInfo,
		const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &	refTrajPtr,
		unsigned int	iHit,
		AlignmentParameters *&	params
	)		[private]

If hit is usable: callMille for x and (probably) y direction. If globalDerivatives fine: returns 2 if 2D-hit, 1 if 1D-hit, 0 if no Alignable for hit. Returns -1 if any problem (for params cf. globalDerivativesHierarchy)

Definition at line 380 of file MillePedeAlignmentAlgorithm.cc.

References AlignableNavigator::alignableFromDetId(), callMille(), globalDerivativesHierarchy(), theAlignableNavigator, theFloatBufferX, theFloatBufferY, and theIntBuffer.

Referenced by addReferenceTrajectory().

{
  params = 0;
  theFloatBufferX.clear();
  theFloatBufferY.clear();
  theIntBuffer.clear();
 
  const TrajectoryStateOnSurface &tsos = refTrajPtr->trajectoryStates()[iHit];
  const ConstRecHitPointer &recHitPtr = refTrajPtr->recHits()[iHit];
  // ignore invalid hits
  if (!recHitPtr->isValid()) return 0;

  // get AlignableDet/Unit for this hit
  AlignableDetOrUnitPtr alidet(theAlignableNavigator->alignableFromDetId(recHitPtr->geographicalId()));
  
  if (!this->globalDerivativesHierarchy(eventInfo,
                                        tsos, alidet, alidet, theFloatBufferX, // 2x alidet, sic!
                                        theFloatBufferY, theIntBuffer, params)) {
    return -1; // problem
  } else if (theFloatBufferX.empty()) {
    return 0; // empty for X: no alignable for hit
  } else { 
    return this->callMille(refTrajPtr, iHit, theIntBuffer, theFloatBufferX, theFloatBufferY);
  }
}

void MillePedeAlignmentAlgorithm::addMsMeas	(	const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &	refTrajPtr,
		unsigned int	iMsMeas
	)		[private]

adds data from reference trajectory from a specific multiple scattering measurement

Definition at line 998 of file MillePedeAlignmentAlgorithm.cc.

Referenced by addReferenceTrajectory().

{
  TMatrixDSym aHitCovarianceM(1);
  TMatrixF aHitResidualsM(1,1);
  TMatrixF aLocalDerivativesM(1, refTrajPtr->derivatives().num_col());
  // below method fills above 3 'matrices'
  this->addRefTrackMsMeas1D(refTrajPtr, iMsMeas, aHitCovarianceM, aHitResidualsM, aLocalDerivativesM);
  
  // no global parameters (use dummy 0)
  TMatrixF aGlobalDerivativesM(1,1);
  aGlobalDerivativesM(0,0) = 0;
      
  float newResidX = aHitResidualsM(0,0);  
  float newHitErrX = TMath::Sqrt(aHitCovarianceM(0,0));
  float *newLocalDerivsX = aLocalDerivativesM[0].GetPtr();
  float *newGlobDerivsX  = aGlobalDerivativesM[0].GetPtr();
  const int nLocal  = aLocalDerivativesM.GetNcols();
  const int nGlobal = 0;
  
  theMille->mille(nLocal, newLocalDerivsX, nGlobal, newGlobDerivsX,
                  &nGlobal, newResidX, newHitErrX);  
}

void MillePedeAlignmentAlgorithm::addPxbSurvey

(

const edm::ParameterSet &

pxbSurveyCfg

)

[private]

add measurement data from PXB survey

Definition at line 1087 of file MillePedeAlignmentAlgorithm.cc.

References a, AlignableNavigator::alignableFromDetId(), PedeLabelerBase::alignableLabel(), gather_cfg::cout, SurveyPxbDicer::doDice(), Mille::end(), lut2db_cfg::filename, MillePedeMonitor::fillPxbSurveyHistsChi2(), MillePedeMonitor::fillPxbSurveyHistsLocalPars(), edm::FileInPath::fullPath(), edm::ParameterSet::getParameter(), edm::ParameterSet::getUntrackedParameter(), i, j, Mille::mille(), SurveyPxbImageLocalFit::nMsrmts, EdgesToViz::outfile, mathSSE::sqrt(), theAlignableNavigator, theMille, theMonitor, thePedeLabels, AlignableSurface::toGlobal(), and AlignableSurface::toLocal().

Referenced by initialize().

{
        // do some printing, if requested
        const bool doOutputOnStdout(pxbSurveyCfg.getParameter<bool>("doOutputOnStdout"));
        if (doOutputOnStdout) std::cout << "# Output from addPxbSurvey follows below because doOutputOnStdout is set to True" << std::endl;

        // instantiate a dicer object
        SurveyPxbDicer dicer(pxbSurveyCfg.getParameter<std::vector<edm::ParameterSet> >("toySurveyParameters"), pxbSurveyCfg.getParameter<unsigned int>("toySurveySeed"));
        std::ofstream outfile(pxbSurveyCfg.getUntrackedParameter<std::string>("toySurveyFile").c_str());

        // read data from file
        std::vector<SurveyPxbImageLocalFit> measurements;
        std::string filename(pxbSurveyCfg.getParameter<edm::FileInPath>("infile").fullPath());
        SurveyPxbImageReader<SurveyPxbImageLocalFit> reader(filename, measurements, 800);

        // loop over photographs (=measurements) and perform the fit
        for(std::vector<SurveyPxbImageLocalFit>::size_type i=0; i!=measurements.size(); i++)
        {
                if (doOutputOnStdout) std::cout << "Module " << i << ": ";

                // get the Alignables and their surfaces
                AlignableDetOrUnitPtr mod1(theAlignableNavigator->alignableFromDetId(measurements[i].getIdFirst()));
                AlignableDetOrUnitPtr mod2(theAlignableNavigator->alignableFromDetId(measurements[i].getIdSecond()));
                const AlignableSurface& surf1 = mod1->surface();
                const AlignableSurface& surf2 = mod2->surface();
                
                // the position of the fiducial points in local frame of a PXB module
                const LocalPoint fidpoint0(-0.91,+3.30);
                const LocalPoint fidpoint1(+0.91,+3.30);
                const LocalPoint fidpoint2(+0.91,-3.30);
                const LocalPoint fidpoint3(-0.91,-3.30);
                
                // We choose the local frame of the first module as reference,
                // so take the fidpoints of the second module and calculate their
                // positions in the reference frame
                const GlobalPoint surf2point0(surf2.toGlobal(fidpoint0));
                const GlobalPoint surf2point1(surf2.toGlobal(fidpoint1));
                const LocalPoint fidpoint0inSurf1frame(surf1.toLocal(surf2point0));
                const LocalPoint fidpoint1inSurf1frame(surf1.toLocal(surf2point1));
                
                // Create the vector for the fit
                SurveyPxbImageLocalFit::fidpoint_t fidpointvec;
                fidpointvec.push_back(fidpoint0inSurf1frame);
                fidpointvec.push_back(fidpoint1inSurf1frame);
                fidpointvec.push_back(fidpoint2);
                fidpointvec.push_back(fidpoint3);

                // if toy survey is requested, dice the values now
                if (pxbSurveyCfg.getParameter<bool>("doToySurvey"))
                {
                        dicer.doDice(fidpointvec,measurements[i].getIdPair(), outfile);
                }
                
                // do the fit
                measurements[i].doFit(fidpointvec, thePedeLabels->alignableLabel(mod1), thePedeLabels->alignableLabel(mod2));
            SurveyPxbImageLocalFit::localpars_t a; // local pars from fit
                a = measurements[i].getLocalParameters();
                const SurveyPxbImageLocalFit::value_t chi2 = measurements[i].getChi2();

                // do some reporting, if requested
                if (doOutputOnStdout)
                {
                  std::cout << "a: " << a[0] << ", " << a[1]  << ", " << a[2] << ", " << a[3]
                        << " S= " << sqrt(a[2]*a[2]+a[3]*a[3])
                        << " phi= " << atan(a[3]/a[2])
                        << " chi2= " << chi2 << std::endl;
                }
                if (theMonitor) 
                {
                        theMonitor->fillPxbSurveyHistsChi2(chi2);
                        theMonitor->fillPxbSurveyHistsLocalPars(a[0],a[1],sqrt(a[2]*a[2]+a[3]*a[3]),atan(a[3]/a[2]));
                }

                // pass the results from the local fit to mille
                for(SurveyPxbImageLocalFit::count_t j=0; j!=SurveyPxbImageLocalFit::nMsrmts; j++)
                {
                        theMille->mille((int)measurements[i].getLocalDerivsSize(),
                                measurements[i].getLocalDerivsPtr(j),
                                (int)measurements[i].getGlobalDerivsSize(),
                                measurements[i].getGlobalDerivsPtr(j),
                                measurements[i].getGlobalDerivsLabelPtr(j),
                                measurements[i].getResiduum(j),
                                measurements[i].getSigma(j));
                }
                theMille->end();
        }
        outfile.close();
}

std::pair< unsigned int, unsigned int > MillePedeAlignmentAlgorithm::addReferenceTrajectory	(	const EventInfo &	eventInfo,
		const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &	refTrajPtr
	)		[private]

fill mille for a trajectory, returning number of x/y hits ([0,0] if 'bad' trajectory)

Definition at line 319 of file MillePedeAlignmentAlgorithm.cc.

References addMeasurementData(), addMsMeas(), Mille::end(), MillePedeVariables::increaseHitsX(), MillePedeVariables::increaseHitsY(), Mille::kill(), theMille, and theMinNumHits.

Referenced by run().

{
  std::pair<unsigned int, unsigned int> hitResultXy(0,0);
  if (refTrajPtr->isValid()) {
    
    // to add hits if all fine:
    std::vector<AlignmentParameters*> parVec(refTrajPtr->recHits().size());
    // collect hit statistics, assuming that there are no y-only hits
    std::vector<bool> validHitVecY(refTrajPtr->recHits().size(), false);
    // Use recHits from ReferenceTrajectory (since they have the right order!):
    for (unsigned int iHit = 0; iHit < refTrajPtr->recHits().size(); ++iHit) {
      const int flagXY = this->addMeasurementData(eventInfo, refTrajPtr, iHit, parVec[iHit]);

      if (flagXY < 0) { // problem
        hitResultXy.first = 0;
        break;
      } else { // hit is fine, increase x/y statistics
        if (flagXY >= 1) ++hitResultXy.first;
        validHitVecY[iHit] = (flagXY >= 2);
      } 
    } // end loop on hits

// CHK add 'Multiple Scattering Measurements' for break points, broken lines
    for (unsigned int iMsMeas = 0; iMsMeas < refTrajPtr->numberOfMsMeas(); ++iMsMeas) {
      this->addMsMeas(refTrajPtr, iMsMeas);
    }
             
    // kill or end 'track' for mille, depends on #hits criterion
    if (hitResultXy.first == 0 || hitResultXy.first < theMinNumHits) {
      theMille->kill();
      hitResultXy.first = hitResultXy.second = 0; //reset
    } else {
      theMille->end();
      // take care about hit statistics as well
      for (unsigned int iHit = 0; iHit < validHitVecY.size(); ++iHit) {
        if (!parVec[iHit]) continue; // in case a non-selected alignable was hit (flagXY == 0)
        MillePedeVariables *mpVar = static_cast<MillePedeVariables*>(parVec[iHit]->userVariables());
        mpVar->increaseHitsX(); // every hit has an x-measurement, cf. above...
        if (validHitVecY[iHit]) {
          mpVar->increaseHitsY();
          ++hitResultXy.second;
        }
      }  
    }
  } // end if valid trajectory

  return hitResultXy;
}

void MillePedeAlignmentAlgorithm::addRefTrackData2D	(	const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &	refTrajPtr,
		unsigned int	iTrajHit,
		TMatrixDSym &	aHitCovarianceM,
		TMatrixF &	aHitResidualsM,
		TMatrixF &	aLocalDerivativesM
	)		[private]

adds data from reference trajectory from a specific Hit

Definition at line 821 of file MillePedeAlignmentAlgorithm.cc.

References i.

{
  // This Method is valid for 2D measurements only
  
  const unsigned int xIndex = iTrajHit*2;
  const unsigned int yIndex = iTrajHit*2+1;
  // Covariance into a TMatrixDSym

  //aHitCovarianceM = new TMatrixDSym(2);
  aHitCovarianceM(0,0)=refTrajPtr->measurementErrors()[xIndex][xIndex];
  aHitCovarianceM(0,1)=refTrajPtr->measurementErrors()[xIndex][yIndex];
  aHitCovarianceM(1,0)=refTrajPtr->measurementErrors()[yIndex][xIndex];
  aHitCovarianceM(1,1)=refTrajPtr->measurementErrors()[yIndex][yIndex];
  
  //theHitResidualsM= new TMatrixF(2,1);
  aHitResidualsM(0,0)= refTrajPtr->measurements()[xIndex] - refTrajPtr->trajectoryPositions()[xIndex];
  aHitResidualsM(1,0)= refTrajPtr->measurements()[yIndex] - refTrajPtr->trajectoryPositions()[yIndex];
  
  // Local Derivatives into a TMatrixDSym (to use matrix operations)
  const AlgebraicMatrix &locDerivMatrix = refTrajPtr->derivatives();
  //  theLocalDerivativeNumber = locDerivMatrix.num_col();
  
  //theLocalDerivativesM = new TMatrixF(2,locDerivMatrix.num_col());
  for (int i = 0; i < locDerivMatrix.num_col(); ++i) {
    aLocalDerivativesM(0,i) = locDerivMatrix[xIndex][i];
    aLocalDerivativesM(1,i) = locDerivMatrix[yIndex][i];
  }
}

void MillePedeAlignmentAlgorithm::addRefTrackMsMeas1D	(	const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &	refTrajPtr,
		unsigned int	iTrajHit,
		TMatrixDSym &	aHitCovarianceM,
		TMatrixF &	aHitResidualsM,
		TMatrixF &	aLocalDerivativesM
	)		[private]

adds multiple scattering data from reference trajectory from a specific Hit

Definition at line 794 of file MillePedeAlignmentAlgorithm.cc.

References i.

{

  // This Method is valid for 1D measurements only
  const unsigned int xIndex = iMsMeas + refTrajPtr->numberOfHitMeas();
  // Covariance into a TMatrixDSym
  
  //aHitCovarianceM = new TMatrixDSym(1);
  aHitCovarianceM(0,0)=refTrajPtr->measurementErrors()[xIndex][xIndex];
  
  //theHitResidualsM= new TMatrixF(1,1);
  aHitResidualsM(0,0)= refTrajPtr->measurements()[xIndex];
  
  // Local Derivatives into a TMatrixDSym (to use matrix operations)
  const AlgebraicMatrix &locDerivMatrix = refTrajPtr->derivatives();
  //  theLocalDerivativeNumber = locDerivMatrix.num_col();
  
  //theLocalDerivativesM = new TMatrixF(1,locDerivMatrix.num_col());
  for (int i = 0; i < locDerivMatrix.num_col(); ++i) {
    aLocalDerivativesM(0,i) = locDerivMatrix[xIndex][i];
  }
}

bool MillePedeAlignmentAlgorithm::areEmptyParams

(

const std::vector< Alignable * > &

alignables

)

const [private]

Definition at line 556 of file MillePedeAlignmentAlgorithm.cc.

References AlignmentParameters::covariance(), i, j, and AlignmentParameters::parameters().

Referenced by readFromPede().

{
  
  for (std::vector<Alignable*>::const_iterator iAli = alignables.begin();
       iAli != alignables.end(); ++iAli) {
    const AlignmentParameters *params = (*iAli)->alignmentParameters();
    if (params) {
      const AlgebraicVector &parVec(params->parameters());
      const AlgebraicMatrix &parCov(params->covariance());
      for (int i = 0; i < parVec.num_row(); ++i) {
        if (parVec[i] != 0.) return false;
        for (int j = i; j < parCov.num_col(); ++j) {
          if (parCov[i][j] != 0.) return false;
        }
      }
    }
  }
  
  return true;
}

void MillePedeAlignmentAlgorithm::buildUserVariables

(

const std::vector< Alignable * > &

alignables

)

const [private]

add MillePedeVariables for each AlignmentParameters (exception if no parameters...)

Definition at line 653 of file MillePedeAlignmentAlgorithm.cc.

References PedeLabelerBase::alignableLabel(), Exception, AlignmentParameters::setUserVariables(), AlignmentParameters::size(), and thePedeLabels.

Referenced by initialize().

{
  for (std::vector<Alignable*>::const_iterator iAli = alis.begin(); iAli != alis.end(); ++iAli) {
    AlignmentParameters *params = (*iAli)->alignmentParameters();
    if (!params) {
      throw cms::Exception("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::buildUserVariables"
                                        << "No parameters for alignable";
    }
    MillePedeVariables *userVars = new MillePedeVariables(params->size(), thePedeLabels->alignableLabel(*iAli));
    params->setUserVariables(userVars);
  }
}

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

calls callMille1D or callMille2D

Definition at line 854 of file MillePedeAlignmentAlgorithm.cc.

Referenced by addMeasurementData().

{    
  const ConstRecHitPointer aRecHit(refTrajPtr->recHits()[iTrajHit]);

  if((aRecHit)->dimension() == 1) {
    return this->callMille1D(refTrajPtr, iTrajHit, globalLabels, globalDerivativesX);
  } else {
    return this->callMille2D(refTrajPtr, iTrajHit, globalLabels,
                             globalDerivativesX, globalDerivativesY);
  }
}

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

calls Mille for 1D hits

Definition at line 872 of file MillePedeAlignmentAlgorithm.cc.

References i.

{
  const ConstRecHitPointer aRecHit(refTrajPtr->recHits()[iTrajHit]);
  const unsigned int xIndex = iTrajHit*2; // the even ones are local x

  // local derivatives
  const AlgebraicMatrix &locDerivMatrix = refTrajPtr->derivatives();
  const int nLocal  = locDerivMatrix.num_col();
  std::vector<float> localDerivatives(nLocal);
  for (unsigned int i = 0; i < localDerivatives.size(); ++i) {
    localDerivatives[i] = locDerivMatrix[xIndex][i];
  }

  // residuum and error
  float residX = refTrajPtr->measurements()[xIndex] - refTrajPtr->trajectoryPositions()[xIndex];
  float hitErrX = TMath::Sqrt(refTrajPtr->measurementErrors()[xIndex][xIndex]);

  // number of global derivatives
  const int nGlobal = globalDerivativesX.size();

  // &(localDerivatives[0]) etc. are valid - as long as vector is not empty
  // cf. https://www.parashift.com/c++-faq-lite/containers.html#faq-34.3
  theMille->mille(nLocal, &(localDerivatives[0]), nGlobal, &(globalDerivativesX[0]),
                  &(globalLabels[0]), residX, hitErrX);

  if (theMonitor) {
    theMonitor->fillDerivatives(aRecHit, &(localDerivatives[0]), nLocal,
                                &(globalDerivativesX[0]), nGlobal, &(globalLabels[0]));
    theMonitor->fillResiduals(aRecHit, refTrajPtr->trajectoryStates()[iTrajHit],
                              iTrajHit, residX, hitErrX, false);
  }

  return 1;
}

int MillePedeAlignmentAlgorithm::callMille2D	(	const ReferenceTrajectoryBase::ReferenceTrajectoryPtr &	refTrajPtr,
		unsigned int	iTrajHit,
		const std::vector< int > &	globalLabels,
		const std::vector< float > &	globalDerivativesx,
		const std::vector< float > &	globalDerivativesy
	)		[private]

calls Mille for x and possibly y component of hit, y is skipped for non-real 2D (e.g. SiStripRecHit2D), for TID/TEC first diagonalises if correlation is larger than configurable

Definition at line 911 of file MillePedeAlignmentAlgorithm.cc.

References corr, pat::helper::ParametrizationHelper::dimension(), mathSSE::sqrt(), std::swap(), SiStripDetId::TEC, SiStripDetId::TID, and DetId::Tracker.

{
  const ConstRecHitPointer aRecHit(refTrajPtr->recHits()[iTrajHit]);
  
  if((aRecHit)->dimension() != 2) {
    edm::LogError("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::callMille2D"
                               << "You try to call method for 2D hits for a " 
                               << (aRecHit)->dimension()
                               <<  "D Hit. Hit gets ignored!";
    return -1;
  }

  TMatrixDSym aHitCovarianceM(2);
  TMatrixF aHitResidualsM(2,1);
  TMatrixF aLocalDerivativesM(2, refTrajPtr->derivatives().num_col());
  // below method fills above 3 matrices
  this->addRefTrackData2D(refTrajPtr, iTrajHit, aHitCovarianceM,aHitResidualsM,aLocalDerivativesM);
  TMatrixF aGlobalDerivativesM(2,globalDerivativesx.size());
  this->makeGlobDerivMatrix(globalDerivativesx, globalDerivativesy, aGlobalDerivativesM);
 
  // calculates correlation between Hit measurements
  // FIXME: Should take correlation (and resulting transformation) from original hit, 
  //        not 2x2 matrix from ReferenceTrajectory: That can come from error propagation etc.!
  const double corr = aHitCovarianceM(0,1) / sqrt(aHitCovarianceM(0,0) * aHitCovarianceM(1,1));
  if (theMonitor) theMonitor->fillCorrelations2D(corr, aRecHit);
  bool diag = false; // diagonalise only tracker TID, TEC
  switch(aRecHit->geographicalId().subdetId()) {
  case SiStripDetId::TID:
  case SiStripDetId::TEC:
    if (aRecHit->geographicalId().det() == DetId::Tracker && TMath::Abs(corr) > theMaximalCor2D) {
      this->diagonalize(aHitCovarianceM, aLocalDerivativesM, aHitResidualsM, aGlobalDerivativesM);
      diag = true;
    }
    break;
  default:;
  }

  float newResidX = aHitResidualsM(0,0);
  float newResidY = aHitResidualsM(1,0);
  float newHitErrX = TMath::Sqrt(aHitCovarianceM(0,0));
  float newHitErrY = TMath::Sqrt(aHitCovarianceM(1,1));
  float *newLocalDerivsX = aLocalDerivativesM[0].GetPtr();
  float *newLocalDerivsY = aLocalDerivativesM[1].GetPtr();
  float *newGlobDerivsX  = aGlobalDerivativesM[0].GetPtr();
  float *newGlobDerivsY  = aGlobalDerivativesM[1].GetPtr();
  const int nLocal  = aLocalDerivativesM.GetNcols();
  const int nGlobal = aGlobalDerivativesM.GetNcols();

  if (diag && (newHitErrX > newHitErrY)) { // also for 2D hits?
    // measurement with smaller error is x-measurement (for !is2D do not fill y-measurement):
    std::swap(newResidX, newResidY);
    std::swap(newHitErrX, newHitErrY);
    std::swap(newLocalDerivsX, newLocalDerivsY);
    std::swap(newGlobDerivsX, newGlobDerivsY);
  }

  // &(globalLabels[0]) is valid - as long as vector is not empty 
  // cf. https://www.parashift.com/c++-faq-lite/containers.html#faq-34.3
  theMille->mille(nLocal, newLocalDerivsX, nGlobal, newGlobDerivsX,
                  &(globalLabels[0]), newResidX, newHitErrX);

  if (theMonitor) {
    theMonitor->fillDerivatives(aRecHit, newLocalDerivsX, nLocal, newGlobDerivsX, nGlobal,
                                &(globalLabels[0]));
    theMonitor->fillResiduals(aRecHit, refTrajPtr->trajectoryStates()[iTrajHit],
                              iTrajHit, newResidX, newHitErrX, false);
  }
  const bool isReal2DHit = this->is2D(aRecHit); // strip is 1D (except matched hits)
  if (isReal2DHit) {
    theMille->mille(nLocal, newLocalDerivsY, nGlobal, newGlobDerivsY,
                    &(globalLabels[0]), newResidY, newHitErrY);
    if (theMonitor) {
      theMonitor->fillDerivatives(aRecHit, newLocalDerivsY, nLocal, newGlobDerivsY, nGlobal,
                                  &(globalLabels[0]));
      theMonitor->fillResiduals(aRecHit, refTrajPtr->trajectoryStates()[iTrajHit],
                                iTrajHit, newResidY, newHitErrY, true);// true: y
    }
  }

  return (isReal2DHit ? 2 : 1);
}

unsigned int MillePedeAlignmentAlgorithm::decodeMode

(

const std::string &

mode

)

const [private]

Definition at line 667 of file MillePedeAlignmentAlgorithm.cc.

References Exception, myMilleBit, myPedeReadBit, myPedeRunBit, and myPedeSteerBit.

{
  if (mode == "full") {
    return myMilleBit + myPedeSteerBit + myPedeRunBit + myPedeReadBit;
  } else if (mode == "mille") {
    return myMilleBit; // + myPedeSteerBit; // sic! Including production of steerig file. NO!
  } else if (mode == "pede") {
    return myPedeSteerBit + myPedeRunBit + myPedeReadBit;
  } else if (mode == "pedeSteer") {
    return myPedeSteerBit;
  } else if (mode == "pedeRun") {
    return myPedeSteerBit + myPedeRunBit + myPedeReadBit; // sic! Including steering and reading of result.
  } else if (mode == "pedeRead") {
    return myPedeReadBit;
  }

  throw cms::Exception("BadConfig") 
    << "Unknown mode '" << mode  
    << "', use 'full', 'mille', 'pede', 'pedeRun', 'pedeSteer' or 'pedeRead'.";

  return 0;
}

void MillePedeAlignmentAlgorithm::diagonalize	(	TMatrixDSym &	aHitCovarianceM,
		TMatrixF &	aLocalDerivativesM,
		TMatrixF &	aHitResidualsM,
		TMatrixF &	theGlobalDerivativesM
	)		const [private]

Definition at line 769 of file MillePedeAlignmentAlgorithm.cc.

{
  TMatrixDSymEigen myDiag(aHitCovarianceM);
  TMatrixD aTranfoToDiagonalSystem = myDiag.GetEigenVectors();
  TMatrixD aTranfoToDiagonalSystemInv = myDiag.GetEigenVectors( );
  TMatrixF aTranfoToDiagonalSystemInvF = myDiag.GetEigenVectors( );
  TMatrixD aMatrix = aTranfoToDiagonalSystemInv.Invert() * aHitCovarianceM * aTranfoToDiagonalSystem;
  // Tranformation of matrix M is done by A^T*M*A, not A^{-1}*M*A.
  // But here A^T == A^{-1}, so we would only save CPU by Transpose()...
  // FIXME this - I guess simply use T(), not Transpose()...
  // TMatrixD aMatrix = aTranfoToDiagonalSystemInv.Transpose() * aHitCovarianceM
  //    * aTranfoToDiagonalSystem;
  aHitCovarianceM = TMatrixDSym(2, aMatrix.GetMatrixArray());
  aTranfoToDiagonalSystemInvF.Invert();
  //edm::LogInfo("Alignment") << "NEW HIT loca in matrix"<<aLocalDerivativesM(0,0);
  aLocalDerivativesM = aTranfoToDiagonalSystemInvF * aLocalDerivativesM;
  
  //edm::LogInfo("Alignment") << "NEW HIT loca in matrix after diag:"<<aLocalDerivativesM(0,0);
  aHitResidualsM      = aTranfoToDiagonalSystemInvF * aHitResidualsM;
  aGlobalDerivativesM = aTranfoToDiagonalSystemInvF * aGlobalDerivativesM;
}

unsigned int MillePedeAlignmentAlgorithm::doIO

(

int

loop

)

const [private]

Definition at line 578 of file MillePedeAlignmentAlgorithm.cc.

References addHitStatistics(), edm::ParameterSet::getParameter(), python::cmstools::loop(), query::result, theAlignables, theConfig, theDir, AlignmentIORoot::writeAlignableAbsolutePositions(), AlignmentIORoot::writeAlignableOriginalPositions(), AlignmentIORoot::writeAlignableRelativePositions(), MillePedeVariablesIORoot::writeMillePedeVariables(), and AlignmentIORoot::writeOrigRigidBodyAlignmentParameters().

Referenced by initialize(), and terminate().

{
  unsigned int result = 0;

  const std::string outFilePlain(theConfig.getParameter<std::string>("treeFile"));
  if (outFilePlain.empty()) {
    edm::LogInfo("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::doIO"
                              << "treeFile parameter empty => skip writing for 'loop' " << loop;
    return result;
  }

  const std::string outFile(theDir + outFilePlain);

  AlignmentIORoot aliIO;
  int ioerr = 0;
  if (loop == 0) {
    aliIO.writeAlignableOriginalPositions(theAlignables, outFile.c_str(), loop, false, ioerr);
    if (ioerr) {
      edm::LogError("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::doIO"
                                 << "Problem " << ioerr << " in writeAlignableOriginalPositions";
      ++result;
    }
  } else {
    if (loop > 1) {
      const std::vector<std::string> inFiles
        (theConfig.getParameter<std::vector<std::string> >("mergeTreeFiles"));
      const std::vector<std::string> binFiles
        (theConfig.getParameter<std::vector<std::string> >("mergeBinaryFiles"));
      if (inFiles.size() != binFiles.size()) {
        edm::LogWarning("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::doIO"
                                     << "'vstring mergeTreeFiles' and 'vstring mergeBinaryFiles' "
                                     << "differ in size";
      }
      this->addHitStatistics(loop - 1, outFile, inFiles);
    }
    MillePedeVariablesIORoot millePedeIO;
    millePedeIO.writeMillePedeVariables(theAlignables, outFile.c_str(), loop, false, ioerr);
    if (ioerr) {
      edm::LogError("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::doIO"
                                 << "Problem " << ioerr << " writing MillePedeVariables";
      ++result;
    }
// // problem with following writeOrigRigidBodyAlignmentParameters
//     aliIO.writeAlignmentParameters(theAlignables, outFile.c_str(), loop, false, ioerr);
//     if (ioerr) {
//       edm::LogError("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::doIO"
//                                  << "Problem " << ioerr << " in writeAlignmentParameters, " << loop;
//       ++result;
//     }
  }
  
  //  aliIO.writeAlignmentParameters(theAlignables, ("tmp"+outFile).c_str(), loop, false, ioerr);
  aliIO.writeOrigRigidBodyAlignmentParameters(theAlignables, outFile.c_str(), loop, false, ioerr);
  if (ioerr) {
    edm::LogError("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::doIO" << "Problem " << ioerr
                               << " in writeOrigRigidBodyAlignmentParameters, " << loop;
    ++result;
  }
  aliIO.writeAlignableAbsolutePositions(theAlignables, outFile.c_str(), loop, false, ioerr);
  if (ioerr) {
    edm::LogError("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::doIO" << "Problem " << ioerr
                               << " in writeAlignableAbsolutePositions, " << loop;
    ++result;
  }
  aliIO.writeAlignableRelativePositions(theAlignables, outFile.c_str(), loop, false, ioerr);
  if (ioerr) {
    edm::LogError("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::doIO" << "Problem " << ioerr
                               << " in writeAlignableRelativePositions, " << loop;
    ++result;
  }

  return result;
}

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

Run on run products, e.g. TkLAS.

Definition at line 370 of file MillePedeAlignmentAlgorithm.cc.

References addLaserData(), AlignmentAlgorithmBase::EndRunInfo::tkLasBeams_, and AlignmentAlgorithmBase::EndRunInfo::tkLasBeamTsoses_.

{
  if(runInfo.tkLasBeams_ && runInfo.tkLasBeamTsoses_){
    // LAS beam treatment
    this->addLaserData(eventInfo, *(runInfo.tkLasBeams_), *(runInfo.tkLasBeamTsoses_));
  }
}

bool MillePedeAlignmentAlgorithm::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 [private]

recursively adding derivatives and labels, false if problems

Definition at line 411 of file MillePedeAlignmentAlgorithm.cc.

References Alignable::alignmentParameters(), AlignmentParameters::derivatives(), Alignable::mother(), and AlignmentParameters::selector().

Referenced by addLasBeam(), and addMeasurementData().

{
  // derivatives and labels are recursively attached
  if (!ali) return true; // no mother might be OK

  if (false && theMonitor && alidet != ali) theMonitor->fillFrameToFrame(alidet, ali);

  AlignmentParameters *params = ali->alignmentParameters();

  if (params) {
    if (!lowestParams) lowestParams = params; // set parameters of lowest level

    bool hasSplitParameters = thePedeLabels->hasSplitParameters(ali);
    const unsigned int alignableLabel = thePedeLabels->alignableLabel(ali);
    
    if (0 == alignableLabel) { // FIXME: what about regardAllHits in Markus' code?
      edm::LogWarning("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::globalDerivativesHierarchy"
                                   << "Label not found, skip Alignable.";
      return false;
    }
    
    const std::vector<bool> &selPars = params->selector();
    const AlgebraicMatrix derivs(params->derivatives(tsos, alidet));

    // cols: 2, i.e. x&y, rows: parameters, usually RigidBodyAlignmentParameters::N_PARAM
    for (unsigned int iSel = 0; iSel < selPars.size(); ++iSel) {
      if (selPars[iSel]) {
        globalDerivativesX.push_back(derivs[iSel][kLocalX]
                                     /thePedeSteer->cmsToPedeFactor(iSel));
        if (hasSplitParameters==true) {
          globalLabels.push_back(thePedeLabels->parameterLabel(ali, iSel, eventInfo, tsos));
        } else {
          globalLabels.push_back(thePedeLabels->parameterLabel(alignableLabel, iSel));
        }
        globalDerivativesY.push_back(derivs[iSel][kLocalY]
                                     /thePedeSteer->cmsToPedeFactor(iSel));
      }
    }
    // Exclude mothers if Alignable selected to be no part of a hierarchy:
    if (thePedeSteer->isNoHiera(ali)) return true;
  }
  // Call recursively for mother, will stop if mother == 0:
  return this->globalDerivativesHierarchy(eventInfo,
                                          tsos, ali->mother(), alidet,
                                          globalDerivativesX, globalDerivativesY,
                                          globalLabels, lowestParams);
}

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

Call at beginning of job.

Implements AlignmentAlgorithmBase.

Definition at line 114 of file MillePedeAlignmentAlgorithm.cc.

References addPxbSurvey(), edm::ParameterSet::addUntrackedParameter(), AlignmentParameterStore::alignables(), AlignmentParameterStore::applyParameters(), PedeSteerer::buildSubSteer(), buildUserVariables(), doIO(), relativeConstraints::empty, Exception, edm::ParameterSet::exists(), reco::get(), edm::ParameterSet::getParameter(), edm::ParameterSet::getUntrackedParameter(), isMode(), myMilleBit, myPedeSteerBit, readFromPede(), AlignmentParameterStore::resetParameters(), cond::runnumber, findQualityFiles::size, theAlignableNavigator, theAlignables, theAlignmentParameterStore, theConfig, theDir, theDoSurveyPixelBarrel, theMille, theMonitor, thePedeLabels, thePedeSteer, theTrajectoryFactory, and cond::timeTypeSpecs.

{
  if (muon) {
    edm::LogWarning("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::initialize"
                                 << "Running with AlignabeMuon not yet tested.";
  }

  theAlignableNavigator = new AlignableNavigator(extras, tracker, muon);
  theAlignmentParameterStore = store;
  theAlignables = theAlignmentParameterStore->alignables();

  edm::ParameterSet pedeLabelerCfg(theConfig.getParameter<edm::ParameterSet>("pedeLabeler"));
  edm::VParameterSet RunRangeSelectionVPSet(theConfig.getUntrackedParameter<edm::VParameterSet>("RunRangeSelection"));
  pedeLabelerCfg.addUntrackedParameter<edm::VParameterSet>("RunRangeSelection",
                                                           RunRangeSelectionVPSet);

  std::string labelerPlugin = "PedeLabeler";
  if (RunRangeSelectionVPSet.size()>0) {
    labelerPlugin = "RunRangeDependentPedeLabeler";
    if (pedeLabelerCfg.exists("plugin")) {
      std::string labelerPluginCfg = pedeLabelerCfg.getParameter<std::string>("plugin");
      if ((labelerPluginCfg!="PedeLabeler" && labelerPluginCfg!="RunRangeDependentPedeLabeler") ||
          pedeLabelerCfg.getUntrackedParameter<edm::VParameterSet>("parameterInstances").size()>0) {
        throw cms::Exception("BadConfig")
          << "MillePedeAlignmentAlgorithm::initialize"
          << "both RunRangeSelection and generic labeler specified in config file. "
          << "Please get rid of either one of them.\n";
      }
    }
  } else {
    if (pedeLabelerCfg.exists("plugin")) {
      labelerPlugin = pedeLabelerCfg.getParameter<std::string>("plugin");
    }
  }
  
  if (!pedeLabelerCfg.exists("plugin")) {
    pedeLabelerCfg.addUntrackedParameter<std::string>("plugin", labelerPlugin);
  }

  edm::LogInfo("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::initialize"
                            << "Using plugin '" << labelerPlugin << "' to generate labels.";
  
  thePedeLabels = PedeLabelerPluginFactory::get()->create(labelerPlugin,
                                                          PedeLabelerBase::TopLevelAlignables(tracker, muon, extras),
                                                          pedeLabelerCfg);
  
  // 1) Create PedeSteerer: correct alignable positions for coordinate system selection
  edm::ParameterSet pedeSteerCfg(theConfig.getParameter<edm::ParameterSet>("pedeSteerer"));
  thePedeSteer = new PedeSteerer(tracker, muon, extras,
                                 theAlignmentParameterStore, thePedeLabels,
                                 pedeSteerCfg, theDir, !this->isMode(myPedeSteerBit));
  
  // 2) If requested, directly read in and apply result of previous pede run,
  //    assuming that correction from 1) was also applied to create the result:
  const std::vector<edm::ParameterSet> mprespset
    (theConfig.getParameter<std::vector<edm::ParameterSet> >("pedeReaderInputs"));
  if (!mprespset.empty()) {
    edm::LogInfo("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::initialize"
                              << "Apply " << mprespset.end() - mprespset.begin()
                              << " previous MillePede constants from 'pedeReaderInputs'.";
  }

  RunRange runrange(cond::timeTypeSpecs[cond::runnumber].beginValue,
                    cond::timeTypeSpecs[cond::runnumber].endValue);
  for (std::vector<edm::ParameterSet>::const_iterator iSet = mprespset.begin(), iE = mprespset.end();
       iSet != iE; ++iSet) {
    if (!this->readFromPede((*iSet), false, runrange)) { // false: do not erase SelectionUserVariables
      throw cms::Exception("BadConfig")
        << "MillePedeAlignmentAlgorithm::initialize: Problems reading input constants of "
        << "pedeReaderInputs entry " << iSet - mprespset.begin() << '.';
    }
    theAlignmentParameterStore->applyParameters();
    // Needed to shut up later warning from checkAliParams:
    theAlignmentParameterStore->resetParameters();
  }
  
  // 3) Now create steerings with 'final' start position:
  thePedeSteer->buildSubSteer(tracker, muon, extras);

  // After (!) 1-3 of PedeSteerer which uses the SelectionUserVariables attached to the parameters:
  this->buildUserVariables(theAlignables); // for hit statistics and/or pede result

  if (this->isMode(myMilleBit)) {
    if (!theConfig.getParameter<std::vector<std::string> >("mergeBinaryFiles").empty() ||
        !theConfig.getParameter<std::vector<std::string> >("mergeTreeFiles").empty()) {
      throw cms::Exception("BadConfig")
        << "'vstring mergeTreeFiles' and 'vstring mergeBinaryFiles' must be empty for "
        << "modes running mille.";
    }
    theMille = new Mille((theDir + theConfig.getParameter<std::string>("binaryFile")).c_str());// add ', false);' for text output);
    const std::string moniFile(theConfig.getUntrackedParameter<std::string>("monitorFile"));
    if (moniFile.size()) theMonitor = new MillePedeMonitor((theDir + moniFile).c_str());

    // Get trajectory factory. In case nothing found, FrameWork will throw...
    const edm::ParameterSet fctCfg(theConfig.getParameter<edm::ParameterSet>("TrajectoryFactory"));
    const std::string fctName(fctCfg.getParameter<std::string>("TrajectoryFactoryName"));
    theTrajectoryFactory = TrajectoryFactoryPlugin::get()->create(fctName, fctCfg);
  }

  // FIXME: for PlotMillePede hit statistics stuff we also might want doIO(0)... ?
  if (this->isMode(myPedeSteerBit) // for pedeRun and pedeRead we might want to merge
      || !theConfig.getParameter<std::vector<std::string> >("mergeTreeFiles").empty()) {
    this->doIO(0);

  // Get config for survey and set flag accordingly
  const edm::ParameterSet pxbSurveyCfg(theConfig.getParameter<edm::ParameterSet>("surveyPixelBarrel"));
  theDoSurveyPixelBarrel = pxbSurveyCfg.getParameter<bool>("doSurvey");
  if (theDoSurveyPixelBarrel) addPxbSurvey(pxbSurveyCfg);
  }
}

bool MillePedeAlignmentAlgorithm::is2D

(

const TransientTrackingRecHit::ConstRecHitPointer &

recHit

)

const [private]

true if hit belongs to 2D detector (currently tracker specific)

Definition at line 500 of file MillePedeAlignmentAlgorithm.cc.

{
  // FIXME: Check whether this is a reliable and recommended way to find out...

  if (recHit->dimension() < 2) {
    return false; // some muon and TIB/TOB stuff really has RecHit1D
  } else if (recHit->detUnit()) { // detunit in strip is 1D, in pixel 2D 
    return recHit->detUnit()->type().isTrackerPixel();
  } else { // stereo strips  (FIXME: endcap trouble due to non-parallel strips (wedge sensors)?)
    if (dynamic_cast<const ProjectedSiStripRecHit2D*>(recHit->hit())) { // check persistent hit
      // projected: 1D measurement on 'glued' module
      return false;
    } else {
      return true;
    }
  }
}

bool MillePedeAlignmentAlgorithm::isMode

(

unsigned int

testMode

)

const [inline, private]

Definition at line 176 of file MillePedeAlignmentAlgorithm.h.

References theMode.

Referenced by initialize(), run(), setParametersForRunRange(), and terminate().

{return (theMode & testMode);}

void MillePedeAlignmentAlgorithm::makeGlobDerivMatrix	(	const std::vector< float > &	globalDerivativesx,
		const std::vector< float > &	globalDerivativesy,
		TMatrixF &	aGlobalDerivativesM
	)		[private]

Definition at line 756 of file MillePedeAlignmentAlgorithm.cc.

References i.

{

  for (unsigned int i = 0; i < globalDerivativesx.size(); ++i) {
    aGlobalDerivativesM(0,i) = globalDerivativesx[i];
    aGlobalDerivativesM(1,i) = globalDerivativesy[i]; 
  }
}

bool MillePedeAlignmentAlgorithm::readFromPede	(	const edm::ParameterSet &	mprespset,
		bool	setUserVars,
		const RunRange &	runrange
	)		[private]

read pede input defined by 'psetName', flag to create/not create MillePedeVariables

Definition at line 519 of file MillePedeAlignmentAlgorithm.cc.

References areEmptyParams(), dbtoconf::out, PedeReader::read(), theAlignables, thePedeLabels, and thePedeSteer.

Referenced by initialize(), setParametersForRunRange(), and terminate().

{
  bool allEmpty = this->areEmptyParams(theAlignables);

  PedeReader reader(mprespset, *thePedeSteer, *thePedeLabels, runrange);
  std::vector<Alignable*> alis;
  bool okRead = reader.read(alis, setUserVars);
  bool numMatch = true;
  
  std::stringstream out("Read ");
  out << alis.size() << " alignables";
  if (alis.size() != theAlignables.size()) {
    out << " while " << theAlignables.size() << " in store";
    numMatch = false; // FIXME: Should we check one by one? Or transfer 'alis' to the store?
  }
  if (!okRead) out << ", but problems in reading"; 
  if (!allEmpty) out << ", possibly overwriting previous settings";
  out << ".";

  if (okRead && allEmpty) {
    if (numMatch) { // as many alignables with result as trying to align
      edm::LogInfo("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::readFromPede" << out.str();
    } else if (alis.size()) { // dead module do not get hits and no pede result
      edm::LogWarning("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::readFromPede" << out.str();
    } else { // serious problem: no result read - and not all modules can be dead...
      edm::LogError("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::readFromPede" << out.str();
      return false;
    }
    return true;
  }
  // the rest is not OK:
  edm::LogError("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::readFromPede" << out.str();
  return false;
}

void MillePedeAlignmentAlgorithm::run	(	const edm::EventSetup &	setup,
		const EventInfo &	eventInfo
	)		[virtual]

Run the algorithm on trajectories and tracks.

Implements AlignmentAlgorithmBase.

Definition at line 280 of file MillePedeAlignmentAlgorithm.cc.

References addReferenceTrajectory(), AlignmentAlgorithmBase::EventInfo::beamSpot_, MillePedeMonitor::fillRefTrajectory(), MillePedeMonitor::fillTrack(), MillePedeMonitor::fillUsedTrack(), isMode(), myMilleBit, theMonitor, theTrajectoryFactory, testEve_cfg::tracks, TrajectoryFactoryBase::trajectories(), and AlignmentAlgorithmBase::EventInfo::trajTrackPairs_.

{
  if (!this->isMode(myMilleBit)) return; // no theMille created...
  const ConstTrajTrackPairCollection &tracks = eventInfo.trajTrackPairs_;

  if (theMonitor) { // monitor input tracks
    for (ConstTrajTrackPairCollection::const_iterator iTrajTrack = tracks.begin();
         iTrajTrack != tracks.end(); ++iTrajTrack) {
      theMonitor->fillTrack((*iTrajTrack).second);
    }
  }

  const RefTrajColl trajectories(theTrajectoryFactory->trajectories(setup, tracks, eventInfo.beamSpot_));

  // Now loop over ReferenceTrajectoryCollection
  unsigned int refTrajCount = 0; // counter for track monitoring if 1 track per trajectory
  for (RefTrajColl::const_iterator iRefTraj = trajectories.begin(), iRefTrajE = trajectories.end();
       iRefTraj != iRefTrajE; ++iRefTraj, ++refTrajCount) {

    RefTrajColl::value_type refTrajPtr = *iRefTraj; 
    if (theMonitor) theMonitor->fillRefTrajectory(refTrajPtr);

    const std::pair<unsigned int, unsigned int> nHitXy = this->addReferenceTrajectory(eventInfo, refTrajPtr);

    if (theMonitor && (nHitXy.first || nHitXy.second)) {
      // if track used (i.e. some hits), fill monitoring
      // track NULL ptr if trajectories and tracks do not match
      const reco::Track *trackPtr = 
        (trajectories.size() == tracks.size() ? tracks[refTrajCount].second : 0);
      theMonitor->fillUsedTrack(trackPtr, nHitXy.first, nHitXy.second);
    }

  } // end of reference trajectory and track loop
}

void MillePedeAlignmentAlgorithm::setParametersForRunRange

(

const RunRange &

runrange

)

[virtual]

called in order to pass parameters to alignables for a specific run range in case the algorithm supports run range dependent alignment.

Reimplemented from AlignmentAlgorithmBase.

Definition at line 227 of file MillePedeAlignmentAlgorithm.cc.

References AlignmentParameterStore::applyParameters(), edm::ParameterSet::getParameter(), isMode(), myPedeReadBit, readFromPede(), theAlignmentParameterStore, and theConfig.

{
  if (this->isMode(myPedeReadBit)) {
    if (!this->readFromPede(theConfig.getParameter<edm::ParameterSet>("pedeReader"), true, runrange)) {
      edm::LogError("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::terminate"
                                 << "Problems reading pede result, but applying!";
    }
    theAlignmentParameterStore->applyParameters();
  }
}

void MillePedeAlignmentAlgorithm::terminate

(

void

)

[virtual]

Call at end of job.

Implements AlignmentAlgorithmBase.

Definition at line 240 of file MillePedeAlignmentAlgorithm.cc.

References AlignmentParameterStore::applyParameters(), PedeSteerer::buildMasterSteer(), doIO(), electronDbsDiscovery::files, edm::ParameterSet::getParameter(), i, isMode(), myMilleBit, myPedeReadBit, myPedeRunBit, readFromPede(), cond::runnumber, PedeSteerer::runPede(), theAlignmentParameterStore, theConfig, theDir, theMille, thePedeSteer, and cond::timeTypeSpecs.

{
  delete theMille;// delete to close binary before running pede below (flush would be enough...)
  theMille = 0;

  std::vector<std::string> files;
  if (this->isMode(myMilleBit) || !theConfig.getParameter<std::string>("binaryFile").empty()) {
    files.push_back(theDir + theConfig.getParameter<std::string>("binaryFile"));
  } else {
    const std::vector<std::string> plainFiles
      (theConfig.getParameter<std::vector<std::string> >("mergeBinaryFiles"));
    for (std::vector<std::string>::const_iterator i = plainFiles.begin(), iEnd = plainFiles.end();
         i != iEnd; ++i) {
      files.push_back(theDir + *i);
    }
  }
  const std::string masterSteer(thePedeSteer->buildMasterSteer(files));// do only if myPedeSteerBit?
  if (this->isMode(myPedeRunBit)) {
    thePedeSteer->runPede(masterSteer);
  }
  
  if (this->isMode(myPedeReadBit)) {
    RunRange runrange(cond::timeTypeSpecs[cond::runnumber].beginValue,
                      cond::timeTypeSpecs[cond::runnumber].endValue);
    if (!this->readFromPede(theConfig.getParameter<edm::ParameterSet>("pedeReader"), true, runrange)) {
      edm::LogError("Alignment") << "@SUB=MillePedeAlignmentAlgorithm::terminate"
                                 << "Problems reading pede result, but applying!";
    }
    theAlignmentParameterStore->applyParameters();
  }

  if (this->isMode(myMilleBit)) { // if mille was run, we store trees with suffix _1...
    this->doIO(1);
  } else if (this->isMode(myPedeReadBit)) {// if pede runs otherwise, we use _2 (=> probably merge)
    this->doIO(2);
  }
}

---

Member Data Documentation

AlignableNavigator* MillePedeAlignmentAlgorithm::theAlignableNavigator [private]

Definition at line 187 of file MillePedeAlignmentAlgorithm.h.

Referenced by addLasBeam(), addMeasurementData(), addPxbSurvey(), initialize(), and ~MillePedeAlignmentAlgorithm().

std::vector<Alignable*> MillePedeAlignmentAlgorithm::theAlignables [private]

Definition at line 186 of file MillePedeAlignmentAlgorithm.h.

Referenced by addHitStatistics(), doIO(), initialize(), and readFromPede().

AlignmentParameterStore* MillePedeAlignmentAlgorithm::theAlignmentParameterStore [private]

directory for all kind of files

Definition at line 185 of file MillePedeAlignmentAlgorithm.h.

Referenced by initialize(), setParametersForRunRange(), and terminate().

edm::ParameterSet MillePedeAlignmentAlgorithm::theConfig [private]

Definition at line 182 of file MillePedeAlignmentAlgorithm.h.

Referenced by doIO(), initialize(), MillePedeAlignmentAlgorithm(), setParametersForRunRange(), and terminate().

std::string MillePedeAlignmentAlgorithm::theDir [private]

Definition at line 184 of file MillePedeAlignmentAlgorithm.h.

Referenced by addHitStatistics(), doIO(), initialize(), MillePedeAlignmentAlgorithm(), and terminate().

bool MillePedeAlignmentAlgorithm::theDoSurveyPixelBarrel [private]

Definition at line 199 of file MillePedeAlignmentAlgorithm.h.

Referenced by initialize().

std::vector<float> MillePedeAlignmentAlgorithm::theFloatBufferX [private]

maximal correlation allowed for 2D hit in TID/TEC. If larger, the 2D measurement gets diagonalized!!!

Definition at line 196 of file MillePedeAlignmentAlgorithm.h.

Referenced by addLasBeam(), and addMeasurementData().

std::vector<float> MillePedeAlignmentAlgorithm::theFloatBufferY [private]

Definition at line 197 of file MillePedeAlignmentAlgorithm.h.

Referenced by addLasBeam(), and addMeasurementData().

std::vector<int> MillePedeAlignmentAlgorithm::theIntBuffer [private]

Definition at line 198 of file MillePedeAlignmentAlgorithm.h.

Referenced by addLasBeam(), and addMeasurementData().

double MillePedeAlignmentAlgorithm::theMaximalCor2D [private]

Definition at line 194 of file MillePedeAlignmentAlgorithm.h.

Mille* MillePedeAlignmentAlgorithm::theMille [private]

Definition at line 189 of file MillePedeAlignmentAlgorithm.h.

Referenced by addLasBeam(), addPxbSurvey(), addReferenceTrajectory(), initialize(), terminate(), and ~MillePedeAlignmentAlgorithm().

unsigned int MillePedeAlignmentAlgorithm::theMinNumHits [private]

Definition at line 193 of file MillePedeAlignmentAlgorithm.h.

Referenced by addReferenceTrajectory().

unsigned int MillePedeAlignmentAlgorithm::theMode [private]

Definition at line 183 of file MillePedeAlignmentAlgorithm.h.

Referenced by isMode().

MillePedeMonitor* MillePedeAlignmentAlgorithm::theMonitor [private]

Definition at line 188 of file MillePedeAlignmentAlgorithm.h.

Referenced by addPxbSurvey(), initialize(), run(), and ~MillePedeAlignmentAlgorithm().

const PedeLabelerBase* MillePedeAlignmentAlgorithm::thePedeLabels [private]

Definition at line 190 of file MillePedeAlignmentAlgorithm.h.

Referenced by addLasBeam(), addPxbSurvey(), buildUserVariables(), initialize(), readFromPede(), and ~MillePedeAlignmentAlgorithm().

PedeSteerer* MillePedeAlignmentAlgorithm::thePedeSteer [private]

Definition at line 191 of file MillePedeAlignmentAlgorithm.h.

Referenced by initialize(), readFromPede(), terminate(), and ~MillePedeAlignmentAlgorithm().

TrajectoryFactoryBase* MillePedeAlignmentAlgorithm::theTrajectoryFactory [private]

Definition at line 192 of file MillePedeAlignmentAlgorithm.h.

Referenced by initialize(), run(), and ~MillePedeAlignmentAlgorithm().