pxd

Modules
	pxd data objects
	pxd modules

Namespaces
namespace	Belle2::PXD
	Namespace to encapsulate code needed for simulation and reconstrucion of the PXD.

Classes
class	PXDAnalyticGainCalibrationAlgorithm
	Class implementing the PXD gain calibration algorithm. More...
class	PXDChargeCalibrationAlgorithm
	Class implementing the PXD median cluster charge calibration algorithm. More...
class	PXDClusterPositionCalibrationAlgorithm
	Class implementing the PXD cluster position calibration algorithm. More...
class	PXDDataMCGainCalibrationAlgorithm
	Class implementing the PXD median cluster charge calibration algorithm. More...
class	PXDGainCalibrationAlgorithm
	Class implementing the PXD gain calibration algorithm. More...
class	PXDHotPixelMaskCalibrationAlgorithm
	Class implementing PXD hot pixel masking calibration algorithm. More...
class	PXDValidationAlgorithm
	Class implementing the PXD calibration validation algorithm. More...
class	PXDClusterChargeMapPar
	The payload class for PXD cluster charge calibrations. More...
class	PXDClusterOffsetPar
	The class for PXD cluster position offset payload. More...
class	PXDClusterPositionErrorPar
	The payload class for PXD cluster position error. More...
class	PXDClusterPositionEstimatorPar
	The class for PXD cluster position lookup table payload. More...
class	PXDClusterShapeClassifierPar
	The class for PXD cluster shape classifier payload. More...
class	PXDClusterShapeIndexPar
	The class for PXD cluster shape index payload. More...
class	PXDDeadPixelPar
	The payload telling which PXD pixel is dead (=Readout system does not receive signals) More...
class	PXDdEdxPDFs
	Specialized class for holding the PXD dE/dx PDFs. More...
class	PXDDHHFirmwareVersionPar
	The payload stores the firmware version from the DHH, which has influence on the structure and content of the RawPXD package. More...
class	PXDGainMapPar
	The payload class for PXD gain corrections. More...
class	PXDGeometryPar
	The Class for VXD geometry. More...
class	PXDMaskedPixelPar
	The payload telling which PXD pixel to mask (ignore) More...
class	PXDOccupancyInfoPar
	The payload collecting some meta information from running the masking algorithm. More...
class	PXDSensorInfoPar
	The Class for VXD geometry. More...
class	PXDIgnoredPixelsMap
	This class provides a check for ignored (=cold, hot or otherwise deffective) pixels for the use in PXD data reconstruction. More...
class	PXDRecoHit
	PXDRecoHit - an extended form of PXDCluster containing geometry information. More...
class	PXDLocalDAQFile
	A class to manage I/O for a chain of blocked files. More...
class	PXD2TrackBase< T >
	Class PXD2TrackBase: Event data container for performance and calibration studies. More...
class	PXD2TrackEvent
	Class PXD2TrackEvent: Event data container for performance and calibration studies. More...

Functions
virtual bool	setValues (const StoreArray< RecoTrack > &recoTracks, const std::string &recoTracksName="", const std::string &pxdInterceptsName="", const std::string &pxdTrackClustersName="PXDClustersFromTracks")
	Set values from RecoTrack collection.

Detailed Description

Function Documentation

setValues()

bool setValues ( const StoreArray< RecoTrack > &  recoTracks, const std::string &  recoTracksName = "", const std::string &  pxdInterceptsName = "", const std::string &  pxdTrackClustersName = "PXDClustersFromTracks"  )

virtual

Set values from RecoTrack collection.

Parameters

recoTracks	StoreArray of RecoTracks.
recoTracksName	name of the related array of RecoTracks.
pxdInterceptsName	name of the related array of PXDIntercepts.
pxdTrackClustersName	name of the related array of PXDClustersFromTracks.

Returns

setting status true for success.

Definition at line 104 of file PXD2TrackBase.h.

  {
    // Exactly 2 tracks
    //if(recoTracks.size() != 2) return false;
    if (!recoTracks.isValid() or recoTracks.getEntries() != 2) return false;
 
    // Valid Tracks
    auto track1Ptr = recoTracks[0]->getRelated<Track>("Tracks");
    auto track2Ptr = recoTracks[1]->getRelated<Track>("Tracks");
    if (!track1Ptr or !track2Ptr) return false;
 
    // Valid trackFitResults
    auto tfr1Ptr = track1Ptr->getTrackFitResultWithClosestMass(Const::pion);
    auto tfr2Ptr = track2Ptr->getTrackFitResultWithClosestMass(Const::pion);
    if (!tfr1Ptr or !tfr2Ptr) return false;
 
    // Valid P Values
    if (tfr1Ptr->getPValue() <= 0 or tfr2Ptr->getPValue() <= 0) return false;
 
    // Opposite charges
    if (tfr1Ptr->getChargeSign() * tfr2Ptr->getChargeSign() >= 0) return false;
 
    // Setup Rave vertex fitter
    auto bField = BFieldManager::getFieldInTesla(ROOT::Math::XYZVector(0, 0, 0)).Z();
    B2DEBUG(20, "B Field = " << bField << " T");
    analysis::RaveSetup::initialize(1, bField);
    analysis::RaveVertexFitter rvf;
    try {
      rvf.addTrack(tfr1Ptr);
      rvf.addTrack(tfr2Ptr);
    }  catch (...) {
      B2DEBUG(20, "Adding tracks to RaveVertexFitter failed.");
      return false;
    }
    if (rvf.fit() == 0) return false;
    // get vertex from fitting
    auto vertex = rvf.getPos();
    // Reset RAVE
    analysis::RaveSetup::getInstance()->reset();
 
    // Set vertex
    m_vx = vertex.X();
    m_vy = vertex.Y();
    m_vz = vertex.Z();
    B2DEBUG(20, "Vertex = (" << m_vx
            << ", " << m_vy
            << ", " << m_vz
            << ")");
 
    // Set track containers
    DBObjPtr<BeamSpot> beamSpotDB; // beam spot is required to correct d0/z0
    auto ip = ROOT::Math::XYZVector(beamSpotDB->getIPPosition());
    if (tfr1Ptr->getChargeSign() > 0) {
      m_track_p.setValues(*recoTracks[0], ip, recoTracksName, pxdInterceptsName, pxdTrackClustersName);
      m_track_m.setValues(*recoTracks[1], ip, recoTracksName, pxdInterceptsName, pxdTrackClustersName);
    } else {
      m_track_p.setValues(*recoTracks[1], ip, recoTracksName, pxdInterceptsName, pxdTrackClustersName);
      m_track_m.setValues(*recoTracks[0], ip, recoTracksName, pxdInterceptsName, pxdTrackClustersName);
    }
    return true;
  }