tmtt::KalmanState Class Reference

#include <KalmanState.h>

Public Member Functions
bool	barrel () const
const L1track3D &	candidate () const
double	chi2 () const
double	chi2rphi () const
double	chi2rz () const
double	chi2scaled () const
bool	good (const TP *tp) const
unsigned int	hitPattern () const
	KalmanState (const Settings *settings, const L1track3D &candidate, unsigned nSkipped, int kLayer, const KalmanState *last_state, const TVectorD &vecX, const TMatrixD &matC, const TMatrixD &matK, const TMatrixD &matV, Stub *stub, double chi2rphi, double chi2rz)
const KalmanState *	last_state () const
const KalmanState *	last_update_state () const
int	layer () const
const TMatrixD &	matrixC () const
const TMatrixD &	matrixK () const
const TMatrixD &	matrixV () const
unsigned	nextLayer () const
unsigned	nSkippedLayers () const
unsigned	nStubLayers () const
double	r () const
double	reducedChi2 () const
void	setChi2 (double chi2rphi, double chi2rz)
const Settings *	settings () const
Stub *	stub () const
std::vector< Stub * >	stubs () const
const TVectorD &	vectorX () const
double	z () const

Private Attributes
bool	barrel_
double	chi2rphi_
double	chi2rz_
unsigned int	hitPattern_
unsigned int	kalmanChi2RphiScale_
int	kLayer_
L1track3D	l1track3D_
const KalmanState *	last_state_
TMatrixD	matC_
TMatrixD	matK_
TMatrixD	matV_
unsigned	n_stubs_
unsigned	nSkipped_
double	r_
const Settings *	settings_
Stub *	stub_
TVectorD	vecX_
double	z_

Detailed Description

Definition at line 22 of file KalmanState.h.

Constructor & Destructor Documentation

KalmanState::KalmanState	(	const Settings *	settings,
		const L1track3D &	candidate,
		unsigned	nSkipped,
		int	kLayer,
		const KalmanState *	last_state,
		const TVectorD &	vecX,
		const TMatrixD &	matC,
		const TMatrixD &	matK,
		const TMatrixD &	matV,
		Stub *	stub,
		double	chi2rphi,
		double	chi2rz
	)

Definition at line 9 of file KalmanState.cc.

References tmtt::Stub::barrel(), barrel_, hitPattern(), hitPattern_, tmtt::Settings::kalmanChi2RphiScale(), kalmanChi2RphiScale_, kLayer_, matC_, matK_, matV_, n_stubs_, nSkipped_, tmtt::Stub::r(), r_, settings_, tmtt::Stub::z(), and z_.

      : settings_(settings),
        kLayer_(kLayer),
        last_state_(last_state),
        vecX_(vecX),
        stub_(stub),
        chi2rphi_(chi2rphi),
        chi2rz_(chi2rz),
        nSkipped_(nSkipped),
        l1track3D_(candidate) {
    matC_.Clear();
    matC_.ResizeTo(matC.GetNrows(), matC.GetNcols());
    matC_ = matC;
    matK_.ResizeTo(matK.GetNrows(), matK.GetNcols());
    matK_ = matK;
    matV_.ResizeTo(matV.GetNrows(), matV.GetNcols());
    matV_ = matV;
    kalmanChi2RphiScale_ = settings_->kalmanChi2RphiScale();

    hitPattern_ = 0;
    if (last_state != nullptr)
      hitPattern_ = last_state->hitPattern();  // Bit encoded list of hit layers
    if (stub != nullptr && kLayer_ >= 0)
      hitPattern_ |= (1 << (kLayer_));

    r_ = 0.1;
    z_ = 0;
    barrel_ = true;

    if (stub != nullptr) {
      r_ = stub->r();
      z_ = stub->z();
      barrel_ = stub->barrel();
    }

    n_stubs_ = 1 + kLayer_ - nSkipped_;
  }

Member Function Documentation

bool tmtt::KalmanState::barrel ( ) const

inline

Definition at line 42 of file KalmanState.h.

References barrel_.

Referenced by tmtt::KFbase::kalmanUpdate().

{ return barrel_; }

const L1track3D& tmtt::KalmanState::candidate ( ) const

inline

Definition at line 59 of file KalmanState.h.

References l1track3D_.

Referenced by tmtt::KFbase::kalmanUpdate(), and tmtt::KFParamsComb::matrixV().

{ return l1track3D_; }

double tmtt::KalmanState::chi2 ( void  ) const

inline

Definition at line 61 of file KalmanState.h.

References chi2rphi_, and chi2rz_.

Referenced by reducedChi2().

{ return chi2rphi_ + chi2rz_; }

double tmtt::KalmanState::chi2rphi ( ) const

inline

Definition at line 63 of file KalmanState.h.

References chi2rphi_.

Referenced by tmtt::KFbase::adjustChi2(), tmtt::KFbase::fit(), setChi2(), and tmtt::KFParamsComb::trackParams_BeamConstr().

{ return chi2rphi_; }

double tmtt::KalmanState::chi2rz ( ) const

inline

Definition at line 64 of file KalmanState.h.

References chi2rz_.

Referenced by tmtt::KFbase::adjustChi2(), tmtt::KFbase::fit(), and setChi2().

{ return chi2rz_; }

double tmtt::KalmanState::chi2scaled ( ) const

inline

Definition at line 62 of file KalmanState.h.

References chi2rphi_, chi2rz_, and kalmanChi2RphiScale_.

Referenced by tmtt::KFbase::doKF(), and tmtt::KFParamsComb::isGoodState().

{ return chi2rphi_ / kalmanChi2RphiScale_ + chi2rz_; }  // Improves electron performance.

bool tmtt::KalmanState::good

(

const TP *

tp

)

const

Definition at line 58 of file KalmanState.cc.

References tmtt::Stub::assocTPs(), last_state(), and stub().

                                           {
    const KalmanState *state = this;
    while (state) {
      Stub *stub = state->stub();
      if (stub != nullptr) {
        const set<const TP *> &tps = stub->assocTPs();
        if (tps.find(tp) == tps.end())
          return false;
      }
      state = state->last_state();
    }
    return true;
  }

unsigned int tmtt::KalmanState::hitPattern ( ) const

inline

Definition at line 66 of file KalmanState.h.

References hitPattern_.

Referenced by tmtt::KFbase::doKF(), tmtt::KFbase::fit(), and KalmanState().

{ return hitPattern_; }  // Bit-encoded KF layers the fitted track has stubs in.

const KalmanState* tmtt::KalmanState::last_state ( ) const

inline

Definition at line 47 of file KalmanState.h.

References last_state_.

Referenced by good(), last_update_state(), and stubs().

{ return last_state_; }

const KalmanState * tmtt::KalmanState::last_update_state

(

)

const

Definition at line 79 of file KalmanState.cc.

References last_state(), and stub().

                                                          {
    const KalmanState *state = this;
    while (state) {
      if (state->stub() != nullptr)
        return state;
      state = state->last_state();
    }
    return nullptr;
  }

int tmtt::KalmanState::layer ( ) const

inline

Definition at line 41 of file KalmanState.h.

References kLayer_.

Referenced by geometryXMLparser.DTAlignable::index(), and geometryXMLparser.CSCAlignable::index().

{ return kLayer_; }

const TMatrixD& tmtt::KalmanState::matrixC ( ) const

inline

Definition at line 51 of file KalmanState.h.

References matC_.

Referenced by tmtt::KFbase::kalmanUpdate(), and tmtt::KFParamsComb::trackParams_BeamConstr().

{ return matC_; }

const TMatrixD& tmtt::KalmanState::matrixK ( ) const

inline

Definition at line 53 of file KalmanState.h.

References matK_.

{ return matK_; }

const TMatrixD& tmtt::KalmanState::matrixV ( ) const

inline

Definition at line 55 of file KalmanState.h.

References matV_.

{ return matV_; }

unsigned tmtt::KalmanState::nextLayer ( ) const

inline

Definition at line 39 of file KalmanState.h.

References kLayer_.

Referenced by tmtt::KFbase::doKF().

{ return (1 + kLayer_); }

unsigned tmtt::KalmanState::nSkippedLayers ( ) const

inline

Definition at line 43 of file KalmanState.h.

References nSkipped_.

Referenced by tmtt::KFbase::doKF(), tmtt::KFbase::fit(), and tmtt::KFParamsComb::isGoodState().

{ return nSkipped_; }

unsigned tmtt::KalmanState::nStubLayers ( ) const

inline

Definition at line 65 of file KalmanState.h.

References n_stubs_.

Referenced by tmtt::KFbase::doKF(), tmtt::KFbase::fit(), and tmtt::KFParamsComb::isGoodState().

{ return n_stubs_; }

double tmtt::KalmanState::r ( ) const

inline

Definition at line 45 of file KalmanState.h.

References r_.

{ return r_; }

double tmtt::KalmanState::reducedChi2

(

)

const

Definition at line 72 of file KalmanState.cc.

References chi2(), n_stubs_, and vecX_.

                                        {
    if (2 * n_stubs_ - vecX_.GetNrows() > 0)
      return (this->chi2()) / (2 * n_stubs_ - vecX_.GetNrows());
    else
      return 0;
  }

void tmtt::KalmanState::setChi2 ( double  chi2rphi, double  chi2rz  )

inline

Definition at line 73 of file KalmanState.h.

References chi2rphi(), chi2rphi_, chi2rz(), and chi2rz_.

                                                 {
      chi2rphi_ = chi2rphi;
      chi2rz_ = chi2rz;
    }

const Settings* tmtt::KalmanState::settings ( ) const

inline

Definition at line 37 of file KalmanState.h.

References settings_.

{ return settings_; }

Stub* tmtt::KalmanState::stub ( ) const

inline

Definition at line 57 of file KalmanState.h.

References stub_.

Referenced by good(), last_update_state(), and stubs().

{ return stub_; }

std::vector< Stub * > tmtt::KalmanState::stubs

(

)

const

Definition at line 89 of file KalmanState.cc.

References last_state(), and stub().

Referenced by tmtt::KFbase::fit().

                                             {
    std::vector<Stub *> all_stubs;

    const KalmanState *state = this;
    while (state) {
      Stub *stub = state->stub();
      if (stub != nullptr)
        all_stubs.push_back(stub);
      state = state->last_state();
    }
    std::reverse(all_stubs.begin(), all_stubs.end());  // Put innermost stub first.
    return all_stubs;
  }

const TVectorD& tmtt::KalmanState::vectorX ( ) const

inline

Definition at line 49 of file KalmanState.h.

References vecX_.

Referenced by tmtt::KFParamsComb::isGoodState(), tmtt::KFbase::kalmanUpdate(), tmtt::KFParamsComb::matrixV(), tmtt::KFParamsComb::trackParams(), and tmtt::KFParamsComb::trackParams_BeamConstr().

{ return vecX_; }

double tmtt::KalmanState::z ( ) const

inline

Definition at line 46 of file KalmanState.h.

References z_.

Referenced by geometryXMLparser.Alignable::pos(), and ntupleDataFormat._HitObject::r3D().

{ return z_; }

Member Data Documentation

bool tmtt::KalmanState::barrel_

private

Definition at line 93 of file KalmanState.h.

Referenced by barrel(), and KalmanState().

double tmtt::KalmanState::chi2rphi_

private

Definition at line 89 of file KalmanState.h.

Referenced by chi2(), chi2rphi(), chi2scaled(), and setChi2().

double tmtt::KalmanState::chi2rz_

private

Definition at line 90 of file KalmanState.h.

Referenced by chi2(), chi2rz(), chi2scaled(), and setChi2().

unsigned int tmtt::KalmanState::hitPattern_

private

Definition at line 96 of file KalmanState.h.

Referenced by hitPattern(), and KalmanState().

unsigned int tmtt::KalmanState::kalmanChi2RphiScale_

private

Definition at line 91 of file KalmanState.h.

Referenced by chi2scaled(), and KalmanState().

int tmtt::KalmanState::kLayer_

private

Definition at line 80 of file KalmanState.h.

Referenced by KalmanState(), layer(), and nextLayer().

L1track3D tmtt::KalmanState::l1track3D_

private

Definition at line 95 of file KalmanState.h.

Referenced by candidate().

const KalmanState* tmtt::KalmanState::last_state_

private

Definition at line 83 of file KalmanState.h.

Referenced by last_state().

TMatrixD tmtt::KalmanState::matC_

private

Definition at line 85 of file KalmanState.h.

Referenced by KalmanState(), and matrixC().

TMatrixD tmtt::KalmanState::matK_

private

Definition at line 86 of file KalmanState.h.

Referenced by KalmanState(), and matrixK().

TMatrixD tmtt::KalmanState::matV_

private

Definition at line 87 of file KalmanState.h.

Referenced by KalmanState(), and matrixV().

unsigned tmtt::KalmanState::n_stubs_

private

Definition at line 92 of file KalmanState.h.

Referenced by KalmanState(), nStubLayers(), and reducedChi2().

unsigned tmtt::KalmanState::nSkipped_

private

Definition at line 94 of file KalmanState.h.

Referenced by KalmanState(), and nSkippedLayers().

double tmtt::KalmanState::r_

private

Definition at line 81 of file KalmanState.h.

Referenced by KalmanState(), and r().

const Settings* tmtt::KalmanState::settings_

private

Definition at line 79 of file KalmanState.h.

Referenced by KalmanState(), and settings().

Stub* tmtt::KalmanState::stub_

private

Definition at line 88 of file KalmanState.h.

Referenced by stub().

TVectorD tmtt::KalmanState::vecX_

private

Definition at line 84 of file KalmanState.h.

Referenced by reducedChi2(), and vectorX().

double tmtt::KalmanState::z_

private

Definition at line 82 of file KalmanState.h.

Referenced by KalmanState(), and z().