#include <SteppingHelixStateInfo.h>

Classes
struct	VolumeBounds
Public Types
typedef CLHEP::Hep3Vector	Point
enum	Result { OK = 0, FAULT, APPROX, RANGEOUT, INACC, NOT_IMPLEMENTED, WRONG_VOLUME, UNDEFINED, MAX_RESULT }
typedef CLHEP::Hep3Vector	Vector
Public Member Functions
int	charge () const
void	getFreeState (FreeTrajectoryState &fts) const
	convert internal structure into the fts
TrajectoryStateOnSurface	getStateOnSurface (const Surface &surf, bool returnTangentPlane=false) const
bool	hasErrorPropagated () const
bool	isValid () const
GlobalVector	momentum () const
double	path () const
GlobalPoint	position () const
double	radPath () const
Result	status () const
	SteppingHelixStateInfo (const FreeTrajectoryState &fts)
	SteppingHelixStateInfo ()
Static Public Attributes
static const std::string	ResultName [MAX_RESULT]
Protected Attributes
Vector	bf
Vector	bfGradLoc
AlgebraicSymMatrix55	covCurv
double	dEdx
double	dEdXPrime
double	dir
const MagneticField *	field
bool	hasErrorPropagated_
bool	isComplete
bool	isValid_
bool	isYokeVol
const MagVolume *	magVol
AlgebraicSymMatrix55	matDCovCurv
Vector	p3
double	path_
int	q
Point	r3
double	radPath_
double	radX0
VolumeBounds	rzLims
Result	status_
Friends
class	SteppingHelixPropagator

Detailed Description

Holder of SteppingHelixState information

Date:: 2009/09/08 20:44:31

Revision:: 1.16

Author:: Vyacheslav Krutelyov (slava77)

Implementation part of the stepping helix propagator state data structure

Date:: 2009/09/08 20:44:32

Revision:: 1.13

Author:: Vyacheslav Krutelyov (slava77)

Definition at line 35 of file SteppingHelixStateInfo.h.

Member Typedef Documentation

typedef CLHEP::Hep3Vector SteppingHelixStateInfo::Point

Definition at line 39 of file SteppingHelixStateInfo.h.

typedef CLHEP::Hep3Vector SteppingHelixStateInfo::Vector

Definition at line 38 of file SteppingHelixStateInfo.h.

Member Enumeration Documentation

enum SteppingHelixStateInfo::Result

Enumerator:

OK
FAULT
APPROX
RANGEOUT
INACC
NOT_IMPLEMENTED
WRONG_VOLUME
UNDEFINED
MAX_RESULT

Definition at line 41 of file SteppingHelixStateInfo.h.

              {
    OK=0,
    FAULT,
    APPROX,
    RANGEOUT,
    INACC,
    NOT_IMPLEMENTED,
    WRONG_VOLUME,
    UNDEFINED,
    MAX_RESULT
  };

Constructor & Destructor Documentation

SteppingHelixStateInfo::SteppingHelixStateInfo ( ) [inline]

Definition at line 55 of file SteppingHelixStateInfo.h.

                          : 
    path_(0), radPath_(0), dir(0), magVol(0), field(0), dEdx(0), dEdXPrime(0), radX0(1e12),
    isComplete(0), isValid_(0), hasErrorPropagated_(0), status_(UNDEFINED) {}

SteppingHelixStateInfo::SteppingHelixStateInfo ( const FreeTrajectoryState & fts )

Definition at line 36 of file SteppingHelixStateInfo.cc.

References FreeTrajectoryState::charge(), covCurv, FreeTrajectoryState::curvilinearError(), FreeTrajectoryState::hasError(), hasErrorPropagated_, isComplete, isValid_, LogTrace, CurvilinearTrajectoryError::matrix(), metname, FreeTrajectoryState::momentum(), p3, FreeTrajectoryState::position(), q, r3, PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

                                                                            : 
  path_(0), radPath_(0), dir(0), magVol(0), field(0), dEdx(0), dEdXPrime(0), radX0(1e12),
  status_(UNDEFINED)
{
  p3.set(fts.momentum().x(), fts.momentum().y(), fts.momentum().z());
  r3.set(fts.position().x(), fts.position().y(), fts.position().z());
  q = fts.charge();

  if (fts.hasError()){
    covCurv = fts.curvilinearError().matrix();
    hasErrorPropagated_ = true;
  } else {
    covCurv = AlgebraicSymMatrix55();
    hasErrorPropagated_ = false;
  }
  static const std::string metname = "SteppingHelixPropagator";
  if (fts.hasError()){ 
    LogTrace(metname)<<"Created SHPStateInfo from FTS\n"<<fts;
    //    LogTrace(metname)<<"and cartesian error of\n"<<fts.cartesianError().matrix();
  }
  else LogTrace(metname)<<"Created SHPStateInfo from FTS without errors";

  isComplete = false;
  isValid_ = true;
}

Member Function Documentation

int SteppingHelixStateInfo::charge ( void ) const [inline]

Definition at line 67 of file SteppingHelixStateInfo.h.

References q.

{return q;}

void SteppingHelixStateInfo::getFreeState ( FreeTrajectoryState & fts ) const

convert internal structure into the fts

Definition at line 86 of file SteppingHelixStateInfo.cc.

References covCurv, field, hasErrorPropagated_, isValid(), p3, q, and r3.

Referenced by CachedTrajectory::propagate(), and SteppingHelixPropagator::propagateWithPath().

                                                                        {
  if (isValid()){
    GlobalVector p3GV(p3.x(), p3.y(), p3.z());
    GlobalPoint r3GP(r3.x(), r3.y(), r3.z());
    GlobalTrajectoryParameters tPars(r3GP, p3GV, q, field);
    //    CartesianTrajectoryError tCov(cov);
    //    CurvilinearTrajectoryError tCCov(ROOT::Math::Similarity(JacobianCartesianToCurvilinear(tPars).jacobian(), cov));
    CurvilinearTrajectoryError tCCov(covCurv);
    
    fts = (hasErrorPropagated_ ) 
      ? FreeTrajectoryState(tPars, tCCov) : FreeTrajectoryState(tPars);
    //      ? FreeTrajectoryState(tPars, tCov, tCCov) : FreeTrajectoryState(tPars);
    //    if (fts.hasError()) fts.curvilinearError(); //call it so it gets created
  }
}

TrajectoryStateOnSurface SteppingHelixStateInfo::getStateOnSurface	(	const Surface &	surf,
		bool	returnTangentPlane = `false`
	)		const

Definition at line 62 of file SteppingHelixStateInfo.cc.

References SurfaceSideDefinition::afterSurface, SurfaceSideDefinition::atCenterOfSurface, SurfaceSideDefinition::beforeSurface, covCurv, dir, field, hasErrorPropagated_, isValid(), LogTrace, metname, p3, FreeTrajectoryState::position(), q, r3, and Surface::tangentPlane().

Referenced by CaloDetIdAssociator::crossedElement(), MuonSimHitProducer::produce(), CachedTrajectory::propagate(), and SteppingHelixPropagator::propagateWithPath().

                                                                                                                     {
  static const std::string metname = "SteppingHelixPropagator";
  if (! isValid()) LogTrace(metname)<<"Return TSOS is invalid";
  else LogTrace(metname)<<"Return TSOS is valid";
  if (! isValid()) return TrajectoryStateOnSurface();
  GlobalVector p3GV(p3.x(), p3.y(), p3.z());
  GlobalPoint r3GP(r3.x(), r3.y(), r3.z());
  GlobalTrajectoryParameters tPars(r3GP, p3GV, q, field);
  //  CartesianTrajectoryError tCov(cov);

  //  CurvilinearTrajectoryError tCCov(ROOT::Math::Similarity(JacobianCartesianToCurvilinear(tPars).jacobian(), cov));
  CurvilinearTrajectoryError tCCov(covCurv);

  FreeTrajectoryState fts(tPars, tCCov);
  if (! hasErrorPropagated_) fts = FreeTrajectoryState(tPars);


  SurfaceSideDefinition::SurfaceSide side = SurfaceSideDefinition::atCenterOfSurface;
  if ( dir > 0 ) side =  SurfaceSideDefinition::beforeSurface;
  if ( dir < 0 ) side =  SurfaceSideDefinition::afterSurface;
  return TrajectoryStateOnSurface(fts, returnTangentPlane ? *surf.tangentPlane(fts.position()) : surf, side);
}

bool SteppingHelixStateInfo::hasErrorPropagated ( ) const [inline]

Definition at line 72 of file SteppingHelixStateInfo.h.

References hasErrorPropagated_.

{return hasErrorPropagated_;}

bool SteppingHelixStateInfo::isValid ( void ) const [inline]

Definition at line 71 of file SteppingHelixStateInfo.h.

References isValid_.

Referenced by getFreeState(), getStateOnSurface(), TrackDetectorAssociator::getTAMuonChamberMatches(), CachedTrajectory::getTrajectory(), AlCaHOCalibProducer::produce(), SteppingHelixPropagator::propagate(), CachedTrajectory::propagateAll(), and CachedTrajectory::trajectoryDelta().

{return isValid_;}

GlobalVector SteppingHelixStateInfo::momentum ( ) const [inline]

Definition at line 66 of file SteppingHelixStateInfo.h.

References p3.

Referenced by TrackDetectorAssociator::getTAMuonChamberMatches(), CachedTrajectory::getTrajectory(), AlCaHOCalibProducer::produce(), CachedTrajectory::propagate(), CachedTrajectory::propagateForward(), and CachedTrajectory::trajectoryDelta().

{return GlobalVector(p3.x(), p3.y(), p3.z());}

double SteppingHelixStateInfo::path ( ) const [inline]

Definition at line 68 of file SteppingHelixStateInfo.h.

References isValid_, and path_.

Referenced by SteppingHelixPropagator::getNextState(), SteppingHelixPropagator::loadState(), SteppingHelixPropagator::makeAtomStep(), MuonSimHitProducer::produce(), SteppingHelixPropagator::propagate(), SteppingHelixPropagator::propagateWithPath(), and SteppingHelixPropagator::refToDest().

{return isValid_ ? path_ : 0;}

GlobalPoint SteppingHelixStateInfo::position ( void ) const [inline]

Definition at line 65 of file SteppingHelixStateInfo.h.

References r3.

Referenced by TrackDetectorAssociator::getTAMuonChamberMatches(), CachedTrajectory::getTrajectory(), AlCaHOCalibProducer::produce(), CachedTrajectory::propagateAll(), and CachedTrajectory::propagateForward().

{return GlobalPoint(r3.x(), r3.y(), r3.z());}

double SteppingHelixStateInfo::radPath ( ) const [inline]

Definition at line 69 of file SteppingHelixStateInfo.h.

References isValid_, and radPath_.

Referenced by SteppingHelixPropagator::getNextState(), SteppingHelixPropagator::loadState(), SteppingHelixPropagator::makeAtomStep(), and MuonSimHitProducer::produce().

{return isValid_ ? radPath_ : 0;}

Result SteppingHelixStateInfo::status ( void ) const [inline]

Definition at line 74 of file SteppingHelixStateInfo.h.

References status_.

{return status_;}

Friends And Related Function Documentation

friend class SteppingHelixPropagator [friend]

Definition at line 36 of file SteppingHelixStateInfo.h.

Member Data Documentation

Vector SteppingHelixStateInfo::bf [protected]

Definition at line 100 of file SteppingHelixStateInfo.h.

Referenced by SteppingHelixPropagator::getDeDx(), SteppingHelixPropagator::getNextState(), SteppingHelixPropagator::loadState(), SteppingHelixPropagator::makeAtomStep(), SteppingHelixPropagator::refToDest(), and SteppingHelixPropagator::SteppingHelixPropagator().

Vector SteppingHelixStateInfo::bfGradLoc [protected]

Definition at line 101 of file SteppingHelixStateInfo.h.

Referenced by SteppingHelixPropagator::SteppingHelixPropagator().

AlgebraicSymMatrix55 SteppingHelixStateInfo::covCurv [protected]

Definition at line 95 of file SteppingHelixStateInfo.h.

Referenced by getFreeState(), SteppingHelixPropagator::getNextState(), getStateOnSurface(), SteppingHelixPropagator::loadState(), SteppingHelixPropagator::setIState(), SteppingHelixPropagator::SteppingHelixPropagator(), and SteppingHelixStateInfo().

double SteppingHelixStateInfo::dEdx [protected]

Definition at line 107 of file SteppingHelixStateInfo.h.

Referenced by SteppingHelixPropagator::getNextState(), SteppingHelixPropagator::loadState(), SteppingHelixPropagator::makeAtomStep(), and SteppingHelixPropagator::propagate().

double SteppingHelixStateInfo::dEdXPrime [protected]

Definition at line 108 of file SteppingHelixStateInfo.h.

Referenced by SteppingHelixPropagator::getNextState(), SteppingHelixPropagator::loadState(), and SteppingHelixPropagator::makeAtomStep().

double SteppingHelixStateInfo::dir [protected]

Definition at line 99 of file SteppingHelixStateInfo.h.

Referenced by SteppingHelixPropagator::getNextState(), getStateOnSurface(), SteppingHelixPropagator::loadState(), and SteppingHelixPropagator::propagate().

const MagneticField* SteppingHelixStateInfo::field [protected]

Definition at line 104 of file SteppingHelixStateInfo.h.

Referenced by getFreeState(), getStateOnSurface(), and SteppingHelixPropagator::propagate().

bool SteppingHelixStateInfo::hasErrorPropagated_ [protected]

Definition at line 113 of file SteppingHelixStateInfo.h.

Referenced by getFreeState(), SteppingHelixPropagator::getNextState(), getStateOnSurface(), hasErrorPropagated(), SteppingHelixPropagator::makeAtomStep(), SteppingHelixPropagator::setIState(), SteppingHelixPropagator::SteppingHelixPropagator(), and SteppingHelixStateInfo().

bool SteppingHelixStateInfo::isComplete [protected]

Definition at line 111 of file SteppingHelixStateInfo.h.

Referenced by SteppingHelixPropagator::loadState(), SteppingHelixPropagator::setIState(), SteppingHelixPropagator::SteppingHelixPropagator(), and SteppingHelixStateInfo().

bool SteppingHelixStateInfo::isValid_ [protected]

Definition at line 112 of file SteppingHelixStateInfo.h.

Referenced by isValid(), SteppingHelixPropagator::loadState(), path(), SteppingHelixPropagator::propagate(), radPath(), SteppingHelixPropagator::SteppingHelixPropagator(), and SteppingHelixStateInfo().

bool SteppingHelixStateInfo::isYokeVol [protected]

Definition at line 103 of file SteppingHelixStateInfo.h.

Referenced by SteppingHelixPropagator::getDeDx(), SteppingHelixPropagator::getNextState(), SteppingHelixPropagator::loadState(), and SteppingHelixPropagator::makeAtomStep().

const MagVolume* SteppingHelixStateInfo::magVol [protected]

Definition at line 102 of file SteppingHelixStateInfo.h.

Referenced by SteppingHelixPropagator::getDeDx(), SteppingHelixPropagator::getNextState(), SteppingHelixPropagator::loadState(), SteppingHelixPropagator::makeAtomStep(), and SteppingHelixPropagator::refToMagVolume().

AlgebraicSymMatrix55 SteppingHelixStateInfo::matDCovCurv [protected]

Definition at line 96 of file SteppingHelixStateInfo.h.

Referenced by SteppingHelixPropagator::getNextState(), SteppingHelixPropagator::makeAtomStep(), and SteppingHelixPropagator::SteppingHelixPropagator().

Vector SteppingHelixStateInfo::p3 [protected]

Definition at line 93 of file SteppingHelixStateInfo.h.

double SteppingHelixStateInfo::path_ [protected]

Definition at line 97 of file SteppingHelixStateInfo.h.

Referenced by SteppingHelixPropagator::getNextState(), SteppingHelixPropagator::loadState(), and path().

int SteppingHelixStateInfo::q [protected]

Definition at line 92 of file SteppingHelixStateInfo.h.

Referenced by charge(), getFreeState(), SteppingHelixPropagator::getNextState(), getStateOnSurface(), SteppingHelixPropagator::loadState(), SteppingHelixPropagator::makeAtomStep(), SteppingHelixPropagator::refToDest(), SteppingHelixPropagator::setIState(), and SteppingHelixStateInfo().

Point SteppingHelixStateInfo::r3 [protected]

Definition at line 94 of file SteppingHelixStateInfo.h.

double SteppingHelixStateInfo::radPath_ [protected]

Definition at line 98 of file SteppingHelixStateInfo.h.

Referenced by SteppingHelixPropagator::getNextState(), SteppingHelixPropagator::loadState(), and radPath().

double SteppingHelixStateInfo::radX0 [protected]

Definition at line 109 of file SteppingHelixStateInfo.h.

Referenced by SteppingHelixPropagator::getNextState(), SteppingHelixPropagator::loadState(), and SteppingHelixPropagator::makeAtomStep().

const std::string SteppingHelixStateInfo::ResultName [static]

Initial value:

 {
  "RESULT_OK",
  "RESULT_FAULT",
  "RESULT_RANGEOUT",
  "RESULT_INACC",
  "RESULT_NOT_IMPLEMENTED",
  "RESULT_UNDEFINED"
}

Definition at line 53 of file SteppingHelixStateInfo.h.

Referenced by SteppingHelixPropagator::propagate().

VolumeBounds SteppingHelixStateInfo::rzLims [protected]

Definition at line 106 of file SteppingHelixStateInfo.h.

Referenced by SteppingHelixPropagator::getNextState(), SteppingHelixPropagator::loadState(), and SteppingHelixPropagator::refToMatVolume().

Result SteppingHelixStateInfo::status_ [protected]

Definition at line 115 of file SteppingHelixStateInfo.h.

Referenced by SteppingHelixPropagator::propagate(), and status().

SteppingHelixStateInfo Class Reference

Classes

Public Types

Public Member Functions

Static Public Attributes

Protected Attributes