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GENFIT Rev: NoNumberAvailable
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Point on trajectory. More...
#include <GblPoint.h>

Public Member Functions | |
| GblPoint (const TMatrixD &aJacobian) | |
| Create a point. | |
| GblPoint (const SMatrix55 &aJacobian) | |
| virtual | ~GblPoint () |
| void | addMeasurement (const TMatrixD &aProjection, const TVectorD &aResiduals, const TVectorD &aPrecision, double minPrecision=0.) |
| Add a measurement to a point. | |
| void | addMeasurement (const TMatrixD &aProjection, const TVectorD &aResiduals, const TMatrixDSym &aPrecision, double minPrecision=0.) |
| Add a measurement to a point. | |
| void | addMeasurement (const TVectorD &aResiduals, const TVectorD &aPrecision, double minPrecision=0.) |
| Add a measurement to a point. | |
| void | addMeasurement (const TVectorD &aResiduals, const TMatrixDSym &aPrecision, double minPrecision=0.) |
| Add a measurement to a point. | |
| unsigned int | hasMeasurement () const |
| Check for measurement at a point. | |
| void | getMeasurement (SMatrix55 &aProjection, SVector5 &aResiduals, SVector5 &aPrecision) const |
| Retrieve measurement of a point. | |
| void | getMeasTransformation (TMatrixD &aTransformation) const |
| Get measurement transformation (from diagonalization). | |
| void | addScatterer (const TVectorD &aResiduals, const TVectorD &aPrecision) |
| Add a (thin) scatterer to a point. | |
| void | addScatterer (const TVectorD &aResiduals, const TMatrixDSym &aPrecision) |
| Add a (thin) scatterer to a point. | |
| bool | hasScatterer () const |
| Check for scatterer at a point. | |
| void | getScatterer (SMatrix22 &aTransformation, SVector2 &aResiduals, SVector2 &aPrecision) const |
| Retrieve scatterer of a point. | |
| void | getScatTransformation (TMatrixD &aTransformation) const |
| Get scatterer transformation (from diagonalization). | |
| void | addLocals (const TMatrixD &aDerivatives) |
| Add local derivatives to a point. | |
| unsigned int | getNumLocals () const |
| Retrieve number of local derivatives from a point. | |
| const TMatrixD & | getLocalDerivatives () const |
| Retrieve local derivatives from a point. | |
| void | addGlobals (const std::vector< int > &aLabels, const TMatrixD &aDerivatives) |
| Add global derivatives to a point. | |
| unsigned int | getNumGlobals () const |
| Retrieve number of global derivatives from a point. | |
| std::vector< int > | getGlobalLabels () const |
| Retrieve global derivatives labels from a point. | |
| const TMatrixD & | getGlobalDerivatives () const |
| Retrieve global derivatives from a point. | |
| void | setLabel (unsigned int aLabel) |
| Define label of point (by GBLTrajectory constructor) | |
| unsigned int | getLabel () const |
| Retrieve label of point. | |
| void | setOffset (int anOffset) |
| Define offset for point (by GBLTrajectory constructor) | |
| int | getOffset () const |
| Retrieve offset for point. | |
| const SMatrix55 & | getP2pJacobian () const |
| Retrieve point-to-(previous)point jacobian. | |
| void | addPrevJacobian (const SMatrix55 &aJac) |
| Define jacobian to previous scatterer (by GBLTrajectory constructor) | |
| void | addNextJacobian (const SMatrix55 &aJac) |
| Define jacobian to next scatterer (by GBLTrajectory constructor) | |
| void | getDerivatives (int aDirection, SMatrix22 &matW, SMatrix22 &matWJ, SVector2 &vecWd) const |
| Retrieve derivatives of local track model. | |
| void | printPoint (unsigned int level=0) const |
| Print GblPoint. | |
Private Attributes | |
| unsigned int | theLabel |
| Label identifying point. | |
| int | theOffset |
| Offset number at point if not negative (else interpolation needed) | |
| SMatrix55 | p2pJacobian |
| Point-to-point jacobian from previous point. | |
| SMatrix55 | prevJacobian |
| Jacobian to previous scatterer (or first measurement) | |
| SMatrix55 | nextJacobian |
| Jacobian to next scatterer (or last measurement) | |
| unsigned int | measDim |
| Dimension of measurement (1-5), 0 indicates absence of measurement. | |
| SMatrix55 | measProjection |
| Projection from measurement to local system. | |
| SVector5 | measResiduals |
| Measurement residuals. | |
| SVector5 | measPrecision |
| Measurement precision (diagonal of inverse covariance matrix) | |
| bool | transFlag |
| Transformation exists? | |
| TMatrixD | measTransformation |
| Transformation of diagonalization (of meas. precision matrix) | |
| bool | scatFlag |
| Scatterer present? | |
| SMatrix22 | scatTransformation |
| Transformation of diagonalization (of scat. precision matrix) | |
| SVector2 | scatResiduals |
| Scattering residuals (initial kinks if iterating) | |
| SVector2 | scatPrecision |
| Scattering precision (diagonal of inverse covariance matrix) | |
| TMatrixD | localDerivatives |
| Derivatives of measurement vs additional local (fit) parameters. | |
| std::vector< int > | globalLabels |
| Labels of global (MP-II) derivatives. | |
| TMatrixD | globalDerivatives |
| Derivatives of measurement vs additional global (MP-II) parameters. | |
Point on trajectory.
User supplied point on (initial) trajectory.
Must have jacobian for propagation from previous point. May have:
Definition at line 68 of file GblPoint.h.
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explicit |
Create a point.
Create point on (initial) trajectory. Needs transformation jacobian from previous point.
| [in] | aJacobian | Transformation jacobian from previous point |
Definition at line 40 of file GblPoint.cc.
References globalDerivatives, globalLabels, localDerivatives, measDim, measTransformation, p2pJacobian, scatFlag, theLabel, theOffset, and transFlag.
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explicit |
Definition at line 51 of file GblPoint.cc.
References globalDerivatives, globalLabels, localDerivatives, measDim, measTransformation, p2pJacobian, scatFlag, theLabel, theOffset, and transFlag.
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virtual |
Definition at line 57 of file GblPoint.cc.
| void gbl::GblPoint::addGlobals | ( | const std::vector< int > & | aLabels, |
| const TMatrixD & | aDerivatives ) |
Add global derivatives to a point.
Point needs to have a measurement.
| [in] | aLabels | Global derivatives labels |
| [in] | aDerivatives | Global derivatives (matrix) |
Definition at line 320 of file GblPoint.cc.
References globalDerivatives, globalLabels, measDim, measTransformation, and transFlag.
Referenced by genfit::GblFitterInfo::constructGblPoint(), and genfit::GFGbl::processTrackWithRep().
| void gbl::GblPoint::addLocals | ( | const TMatrixD & | aDerivatives | ) |
Add local derivatives to a point.
Point needs to have a measurement.
| [in] | aDerivatives | Local derivatives (matrix) |
Definition at line 293 of file GblPoint.cc.
References localDerivatives, measDim, measTransformation, and transFlag.
Referenced by genfit::GblFitterInfo::constructGblPoint().
| void gbl::GblPoint::addMeasurement | ( | const TMatrixD & | aProjection, |
| const TVectorD & | aResiduals, | ||
| const TMatrixDSym & | aPrecision, | ||
| double | minPrecision = 0. ) |
Add a measurement to a point.
Add measurement (in meas. system) with arbitrary precision (inverse covariance) matrix. Will be diagonalized. ((up to) 2D: position, 4D: slope+position, 5D: curvature+slope+position)
| [in] | aProjection | Projection from local to measurement system |
| [in] | aResiduals | Measurement residuals |
| [in] | aPrecision | Measurement precision (matrix) |
| [in] | minPrecision | Minimal precision to accept measurement |
Definition at line 94 of file GblPoint.cc.
References measDim, measPrecision, measProjection, measResiduals, measTransformation, and transFlag.
| void gbl::GblPoint::addMeasurement | ( | const TMatrixD & | aProjection, |
| const TVectorD & | aResiduals, | ||
| const TVectorD & | aPrecision, | ||
| double | minPrecision = 0. ) |
Add a measurement to a point.
Add measurement (in meas. system) with diagonal precision (inverse covariance) matrix. ((up to) 2D: position, 4D: slope+position, 5D: curvature+slope+position)
| [in] | aProjection | Projection from local to measurement system |
| [in] | aResiduals | Measurement residuals |
| [in] | aPrecision | Measurement precision (diagonal) |
| [in] | minPrecision | Minimal precision to accept measurement |
Definition at line 69 of file GblPoint.cc.
References measDim, measPrecision, measProjection, and measResiduals.
Referenced by genfit::GblFitterInfo::constructGblPoint(), and genfit::GFGbl::processTrackWithRep().
| void gbl::GblPoint::addMeasurement | ( | const TVectorD & | aResiduals, |
| const TMatrixDSym & | aPrecision, | ||
| double | minPrecision = 0. ) |
Add a measurement to a point.
Add measurement in local system with arbitrary precision (inverse covariance) matrix. Will be diagonalized. ((up to) 2D: position, 4D: slope+position, 5D: curvature+slope+position)
| [in] | aResiduals | Measurement residuals |
| [in] | aPrecision | Measurement precision (matrix) |
| [in] | minPrecision | Minimal precision to accept measurement |
Definition at line 146 of file GblPoint.cc.
References measDim, measPrecision, measProjection, measResiduals, measTransformation, and transFlag.
| void gbl::GblPoint::addMeasurement | ( | const TVectorD & | aResiduals, |
| const TVectorD & | aPrecision, | ||
| double | minPrecision = 0. ) |
Add a measurement to a point.
Add measurement in local system with diagonal precision (inverse covariance) matrix. ((up to) 2D: position, 4D: slope+position, 5D: curvature+slope+position)
| [in] | aResiduals | Measurement residuals |
| [in] | aPrecision | Measurement precision (diagonal) |
| [in] | minPrecision | Minimal precision to accept measurement |
Definition at line 125 of file GblPoint.cc.
References measDim, measPrecision, measProjection, and measResiduals.
| void gbl::GblPoint::addNextJacobian | ( | const SMatrix55 & | aJac | ) |
Define jacobian to next scatterer (by GBLTrajectory constructor)
| [in] | aJac | Jacobian |
Definition at line 401 of file GblPoint.cc.
References nextJacobian.
Referenced by gbl::GblTrajectory::calcJacobians().
| void gbl::GblPoint::addPrevJacobian | ( | const SMatrix55 & | aJac | ) |
Define jacobian to previous scatterer (by GBLTrajectory constructor)
| [in] | aJac | Jacobian |
Definition at line 384 of file GblPoint.cc.
References prevJacobian.
| void gbl::GblPoint::addScatterer | ( | const TVectorD & | aResiduals, |
| const TMatrixDSym & | aPrecision ) |
Add a (thin) scatterer to a point.
Add scatterer with arbitrary precision (inverse covariance) matrix. Will be diagonalized. Changes local track direction.
The precision matrix for the local slopes is defined by the angular scattering error theta_0 and the scalar products c_1, c_2 of the offset directions in the local frame with the track direction:
(1 - c_1*c_1 - c_2*c_2) | 1 - c_1*c_1 - c_1*c_2 |
P = ----------------------- * | |
theta_0*theta_0 | - c_1*c_2 1 - c_2*c_2 |
| [in] | aResiduals | Scatterer residuals |
| [in] | aPrecision | Scatterer precision (matrix) |
Definition at line 236 of file GblPoint.cc.
References scatFlag, scatPrecision, scatResiduals, and scatTransformation.
| void gbl::GblPoint::addScatterer | ( | const TVectorD & | aResiduals, |
| const TVectorD & | aPrecision ) |
Add a (thin) scatterer to a point.
Add scatterer with diagonal precision (inverse covariance) matrix. Changes local track direction.
| [in] | aResiduals | Scatterer residuals |
| [in] | aPrecision | Scatterer precision (diagonal of inverse covariance matrix) |
Definition at line 210 of file GblPoint.cc.
References scatFlag, scatPrecision, scatResiduals, and scatTransformation.
Referenced by genfit::GblFitterInfo::constructGblPoint(), and genfit::GFGbl::processTrackWithRep().
| void gbl::GblPoint::getDerivatives | ( | int | aDirection, |
| SMatrix22 & | matW, | ||
| SMatrix22 & | matWJ, | ||
| SVector2 & | vecWd ) const |
Retrieve derivatives of local track model.
Linearized track model: F_u(q/p,u',u) = J*u + S*u' + d*q/p, W is inverse of S, negated for backward propagation.
| [in] | aDirection | Propagation direction (>0 forward, else backward) |
| [out] | matW | W |
| [out] | matWJ | W*J |
| [out] | vecWd | W*d |
| std::overflow_error | : matrix S is singular. |
Definition at line 415 of file GblPoint.cc.
References nextJacobian, and prevJacobian.
Referenced by gbl::GblTrajectory::getFitToKinkJacobian(), and gbl::GblTrajectory::getFitToLocalJacobian().
| const TMatrixD & gbl::GblPoint::getGlobalDerivatives | ( | ) | const |
Retrieve global derivatives from a point.
Definition at line 345 of file GblPoint.cc.
References globalDerivatives.
| std::vector< int > gbl::GblPoint::getGlobalLabels | ( | ) | const |
Retrieve global derivatives labels from a point.
Definition at line 340 of file GblPoint.cc.
References globalLabels.
| unsigned int gbl::GblPoint::getLabel | ( | ) | const |
| const TMatrixD & gbl::GblPoint::getLocalDerivatives | ( | ) | const |
Retrieve local derivatives from a point.
Definition at line 310 of file GblPoint.cc.
References localDerivatives.
| void gbl::GblPoint::getMeasTransformation | ( | TMatrixD & | aTransformation | ) | const |
Get measurement transformation (from diagonalization).
| [out] | aTransformation | Transformation matrix |
Definition at line 193 of file GblPoint.cc.
References measDim, measTransformation, and transFlag.
| void gbl::GblPoint::getMeasurement | ( | SMatrix55 & | aProjection, |
| SVector5 & | aResiduals, | ||
| SVector5 & | aPrecision ) const |
Retrieve measurement of a point.
| [out] | aProjection | Projection from (diagonalized) measurement to local system |
| [out] | aResiduals | Measurement residuals |
| [out] | aPrecision | Measurement precision (diagonal) |
Definition at line 182 of file GblPoint.cc.
References measPrecision, measProjection, and measResiduals.
| unsigned int gbl::GblPoint::getNumGlobals | ( | ) | const |
Retrieve number of global derivatives from a point.
Definition at line 335 of file GblPoint.cc.
References globalDerivatives.
| unsigned int gbl::GblPoint::getNumLocals | ( | ) | const |
Retrieve number of local derivatives from a point.
Definition at line 305 of file GblPoint.cc.
References localDerivatives.
| int gbl::GblPoint::getOffset | ( | ) | const |
Retrieve offset for point.
Definition at line 371 of file GblPoint.cc.
References theOffset.
Referenced by gbl::GblTrajectory::getFitToKinkJacobian(), and gbl::GblTrajectory::getFitToLocalJacobian().
| const SMatrix55 & gbl::GblPoint::getP2pJacobian | ( | ) | const |
Retrieve point-to-(previous)point jacobian.
Definition at line 376 of file GblPoint.cc.
References p2pJacobian.
| void gbl::GblPoint::getScatterer | ( | SMatrix22 & | aTransformation, |
| SVector2 & | aResiduals, | ||
| SVector2 & | aPrecision ) const |
Retrieve scatterer of a point.
| [out] | aTransformation | Scatterer transformation from diagonalization |
| [out] | aResiduals | Scatterer residuals |
| [out] | aPrecision | Scatterer precision (diagonal) |
Definition at line 264 of file GblPoint.cc.
References scatPrecision, scatResiduals, and scatTransformation.
| void gbl::GblPoint::getScatTransformation | ( | TMatrixD & | aTransformation | ) | const |
Get scatterer transformation (from diagonalization).
| [out] | aTransformation | Transformation matrix |
Definition at line 275 of file GblPoint.cc.
References scatFlag, and scatTransformation.
| unsigned int gbl::GblPoint::hasMeasurement | ( | ) | const |
Check for measurement at a point.
Get dimension of measurement (0 = none).
Definition at line 172 of file GblPoint.cc.
References measDim.
Referenced by genfit::GblFitter::processTrackWithRep().
| bool gbl::GblPoint::hasScatterer | ( | ) | const |
Check for scatterer at a point.
Definition at line 254 of file GblPoint.cc.
References scatFlag.
Referenced by genfit::GblFitter::processTrackWithRep().
| void gbl::GblPoint::printPoint | ( | unsigned int | level = 0 | ) | const |
Print GblPoint.
| [in] | level | print level (0: minimum, >0: more) |
Definition at line 447 of file GblPoint.cc.
References globalDerivatives, globalLabels, localDerivatives, measDim, measPrecision, measProjection, measResiduals, nextJacobian, p2pJacobian, prevJacobian, scatFlag, scatPrecision, scatResiduals, theLabel, theOffset, and transFlag.
| void gbl::GblPoint::setLabel | ( | unsigned int | aLabel | ) |
Define label of point (by GBLTrajectory constructor)
| [in] | aLabel | Label identifying point |
Definition at line 353 of file GblPoint.cc.
References theLabel.
| void gbl::GblPoint::setOffset | ( | int | anOffset | ) |
Define offset for point (by GBLTrajectory constructor)
| [in] | anOffset | Offset number |
Definition at line 366 of file GblPoint.cc.
References theOffset.
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private |
Derivatives of measurement vs additional global (MP-II) parameters.
Definition at line 129 of file GblPoint.h.
Referenced by addGlobals(), GblPoint(), GblPoint(), getGlobalDerivatives(), getNumGlobals(), and printPoint().
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private |
Labels of global (MP-II) derivatives.
Definition at line 128 of file GblPoint.h.
Referenced by addGlobals(), GblPoint(), GblPoint(), getGlobalLabels(), and printPoint().
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private |
Derivatives of measurement vs additional local (fit) parameters.
Definition at line 127 of file GblPoint.h.
Referenced by addLocals(), GblPoint(), GblPoint(), getLocalDerivatives(), getNumLocals(), and printPoint().
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private |
Dimension of measurement (1-5), 0 indicates absence of measurement.
Definition at line 117 of file GblPoint.h.
Referenced by addGlobals(), addLocals(), addMeasurement(), addMeasurement(), addMeasurement(), addMeasurement(), GblPoint(), GblPoint(), getMeasTransformation(), hasMeasurement(), and printPoint().
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Measurement precision (diagonal of inverse covariance matrix)
Definition at line 120 of file GblPoint.h.
Referenced by addMeasurement(), addMeasurement(), addMeasurement(), addMeasurement(), getMeasurement(), and printPoint().
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private |
Projection from measurement to local system.
Definition at line 118 of file GblPoint.h.
Referenced by addMeasurement(), addMeasurement(), addMeasurement(), addMeasurement(), getMeasurement(), and printPoint().
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private |
Measurement residuals.
Definition at line 119 of file GblPoint.h.
Referenced by addMeasurement(), addMeasurement(), addMeasurement(), addMeasurement(), getMeasurement(), and printPoint().
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private |
Transformation of diagonalization (of meas. precision matrix)
Definition at line 122 of file GblPoint.h.
Referenced by addGlobals(), addLocals(), addMeasurement(), addMeasurement(), GblPoint(), GblPoint(), and getMeasTransformation().
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Jacobian to next scatterer (or last measurement)
Definition at line 116 of file GblPoint.h.
Referenced by addNextJacobian(), getDerivatives(), and printPoint().
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Point-to-point jacobian from previous point.
Definition at line 114 of file GblPoint.h.
Referenced by GblPoint(), GblPoint(), getP2pJacobian(), and printPoint().
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private |
Jacobian to previous scatterer (or first measurement)
Definition at line 115 of file GblPoint.h.
Referenced by addPrevJacobian(), getDerivatives(), and printPoint().
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private |
Scatterer present?
Definition at line 123 of file GblPoint.h.
Referenced by addScatterer(), addScatterer(), GblPoint(), GblPoint(), getScatTransformation(), hasScatterer(), and printPoint().
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private |
Scattering precision (diagonal of inverse covariance matrix)
Definition at line 126 of file GblPoint.h.
Referenced by addScatterer(), addScatterer(), getScatterer(), and printPoint().
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private |
Scattering residuals (initial kinks if iterating)
Definition at line 125 of file GblPoint.h.
Referenced by addScatterer(), addScatterer(), getScatterer(), and printPoint().
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Transformation of diagonalization (of scat. precision matrix)
Definition at line 124 of file GblPoint.h.
Referenced by addScatterer(), addScatterer(), getScatterer(), and getScatTransformation().
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private |
Label identifying point.
Definition at line 112 of file GblPoint.h.
Referenced by GblPoint(), GblPoint(), getLabel(), printPoint(), and setLabel().
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Offset number at point if not negative (else interpolation needed)
Definition at line 113 of file GblPoint.h.
Referenced by GblPoint(), GblPoint(), getOffset(), printPoint(), and setOffset().
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Transformation exists?
Definition at line 121 of file GblPoint.h.
Referenced by addGlobals(), addLocals(), addMeasurement(), addMeasurement(), GblPoint(), GblPoint(), getMeasTransformation(), and printPoint().