SurveyPxbImageLocalFit Class Reference

Class to hold one picture of the BPix survey and the local fit. More...

#include <SurveyPxbImageLocalFit.h>

Inheritance diagram for SurveyPxbImageLocalFit:

Public Types
typedef unsigned int	count_t
typedef std::vector< coord_t >	fidpoint_t
typedef std::vector< value_t >	localpars_t
typedef float	pede_deriv_t
typedef int	pede_label_t
Public Types inherited from SurveyPxbImage
typedef Point3DBase< value_t, LocalTag >	coord_t
typedef unsigned int	count_t
typedef unsigned int	id_t
typedef std::pair< id_t, id_t >	idPair_t
enum	location { ll, ul, lr, ur }
	enum to help access specific locations on a picture More...
typedef double	value_t

Public Member Functions
void	doFit (const fidpoint_t &fidpointvec)
	Invoke the fit. More...
void	doFit (const fidpoint_t &fidpointvec, const pede_label_t &label1, const pede_label_t &label2)
void	doFit (value_t x1, value_t y1, value_t g1, value_t x2, value_t y2, value_t g2)
value_t	getChi2 ()
	returns the chi^2 of the fit More...
const pede_label_t *	getGlobalDerivsLabelPtr (count_t i)
const pede_deriv_t *	getGlobalDerivsPtr (count_t i)
pede_label_t	getGlobalDerivsSize ()
const pede_deriv_t *	getLocalDerivsPtr (count_t i)
pede_label_t	getLocalDerivsSize ()
localpars_t	getLocalParameters ()
	returns local parameters after fit More...
pede_deriv_t	getResiduum (count_t i)
pede_deriv_t	getSigma (count_t i)
bool	isFitValid ()
	returns validity flag More...
void	setGlobalDerivsToZero (count_t i)
void	setLocalDerivsToZero (count_t i)
	SurveyPxbImageLocalFit ()
	SurveyPxbImageLocalFit (std::istringstream &iss)
	Constructor from istringstream. More...
Public Member Functions inherited from SurveyPxbImage
void	fill (std::istringstream &iss)
const coord_t	getCoord (count_t m)
id_t	getIdFirst ()
	Get Id of first module. More...
const idPair_t	getIdPair ()
	Get Id pair. More...
id_t	getIdSecond ()
	Get Id of second module. More...
value_t	getSigmaX ()
	Get Gaussian error in u direction. More...
value_t	getSigmaY ()
	Get Gaussian error in u direction. More...
bool	isValid ()
	returns validity flag More...
	SurveyPxbImage ()
	SurveyPxbImage (std::istringstream &iss)

Static Public Attributes
static const count_t	nFidpoints = 4
static const count_t	nGlD = 3
static const count_t	nLcD = 4
static const count_t	nLcPars = 4
static const count_t	nMsrmts = 8

Private Member Functions
value_t	dist (coord_t p1, coord_t p2)
	Distance. More...
void	initFidPoints ()
	Initialise the fiducial points. More...

Private Attributes
localpars_t	a_
	Local parameters. More...
value_t	chi2_
	chi2 of the local fit More...
bool	derivsValidFlag_
std::vector< coord_t >	fidpoints_
	True position of the fiducial points on a sensor wrt. local frame (u,v) More...
bool	fitValidFlag_
	Validity Flag. More...
ROOT::Math::SMatrix < pede_deriv_t, nMsrmts, nGlD >	globalDerivsMatrix_
	Matrix with global derivs. More...
std::vector< pede_label_t >	labelVec1_
	Vector with labels to global derivs. More...
std::vector< pede_label_t >	labelVec2_
ROOT::Math::SMatrix < pede_deriv_t, nMsrmts, nLcD >	localDerivsMatrix_
	Matrix with local derivs. More...
ROOT::Math::SVector< value_t, nMsrmts >	r
	Vector of residuals. More...

Additional Inherited Members
Protected Attributes inherited from SurveyPxbImage
idPair_t	idPair_
bool	isRotated_
	Flag if the image was rotated or not. More...
bool	isValidFlag_
	Validity Flag. More...
std::vector< coord_t >	measurementVec_
	Vector to hold four measurements. More...
value_t	sigma_x_
	Gaussian errors. More...
value_t	sigma_y_

Detailed Description

Class to hold one picture of the BPix survey and the local fit.

Definition at line 14 of file SurveyPxbImageLocalFit.h.

Member Typedef Documentation

typedef unsigned int SurveyPxbImageLocalFit::count_t

Definition at line 19 of file SurveyPxbImageLocalFit.h.

typedef std::vector<coord_t> SurveyPxbImageLocalFit::fidpoint_t

Definition at line 18 of file SurveyPxbImageLocalFit.h.

typedef std::vector<value_t> SurveyPxbImageLocalFit::localpars_t

Definition at line 17 of file SurveyPxbImageLocalFit.h.

typedef float SurveyPxbImageLocalFit::pede_deriv_t

Definition at line 27 of file SurveyPxbImageLocalFit.h.

typedef int SurveyPxbImageLocalFit::pede_label_t

Definition at line 26 of file SurveyPxbImageLocalFit.h.

Constructor & Destructor Documentation

SurveyPxbImageLocalFit::SurveyPxbImageLocalFit ( )

inline

Definition at line 30 of file SurveyPxbImageLocalFit.h.

References initFidPoints().

                            : 
        SurveyPxbImage(), a_(nLcPars,0), fidpoints_(nFidpoints), fitValidFlag_(false), derivsValidFlag_(false)
    {
        initFidPoints();
    };

SurveyPxbImageLocalFit::SurveyPxbImageLocalFit ( std::istringstream &  iss )

inline

Constructor from istringstream.

Definition at line 37 of file SurveyPxbImageLocalFit.h.

References initFidPoints().

                                                 : 
        SurveyPxbImage(iss), a_(nLcPars,0), fidpoints_(nFidpoints), fitValidFlag_(false), derivsValidFlag_(false)
    {
        initFidPoints();
    };

Member Function Documentation

value_t SurveyPxbImageLocalFit::dist ( coord_t  p1, coord_t  p2  )

inlineprivate

Distance.

Definition at line 108 of file SurveyPxbImageLocalFit.h.

References mathSSE::sqrt(), PV3DBase< T, PVType, FrameType >::x(), and PV3DBase< T, PVType, FrameType >::y().

    {
        value_t dx = p1.x()-p2.x();
        value_t dy = p1.y()-p2.y();
        return sqrt(dx*dx+dy*dy);
    }

void SurveyPxbImageLocalFit::doFit

(

const fidpoint_t &

fidpointvec

)

Invoke the fit.

Definition at line 28 of file SurveyPxbImageLocalFit.cc.

References funct::A, a, a_, chi2_, funct::cos(), gather_cfg::cout, fidpoints_, fitValidFlag_, globalDerivsMatrix_, i, localDerivsMatrix_, SurveyPxbImage::measurementVec_, r, SurveyPxbImage::sigma_x_, SurveyPxbImage::sigma_y_, funct::sin(), mathSSE::sqrt(), and detailsBasic3DVector::y.

Referenced by doFit().

{
    fitValidFlag_ = false;

    // Calculate gamma of right module w.r.t left modules' fram
    const value_t dxr = fidpointvec[3].x()-fidpointvec[2].x();
    const value_t dyr = fidpointvec[3].y()-fidpointvec[2].y();
    const value_t gammar = atan(dyr/dxr);
    const value_t dxl = fidpointvec[1].x()-fidpointvec[0].x();
    const value_t dyl = fidpointvec[1].y()-fidpointvec[0].y();
    const value_t gammal = atan(dyl/dxl);
    const value_t gamma = gammar-gammal;
    //const value_t gamma = 0.; // Testhalber
    const value_t sing = sin(gamma);
    const value_t cosg = cos(gamma);
#ifdef DEBUG
    std::cout << "gamma: " << gamma << " gamma left: " << gammal << " gamma right: " << gammar << std::endl;
#endif


#ifdef DEBUG
    std::cout << "&fidpointvec: " << std::endl;
    for (count_t i=0; i!=fidpointvec.size(); i++)
        std::cout << i << ": " << fidpointvec[i] << std::endl;
    std::cout << "&fidpoints_: " << std::endl;
    for (count_t i=0; i!=fidpoints_.size(); i++)
        std::cout << i << ": " << fidpoints_[i] << std::endl;
#endif

    // Matrix of the local derivatives
    ROOT::Math::SMatrix<value_t,nMsrmts,nLcD> A; // 8x4
    A(0,0)=1.; A(0,1)=0; A(0,2)=+fidpointvec[0].x(); A(0,3)=+fidpointvec[0].y();
    A(1,0)=0.; A(1,1)=1; A(1,2)=+fidpointvec[0].y(); A(1,3)=-fidpointvec[0].x();
    A(2,0)=1.; A(2,1)=0; A(2,2)=+fidpointvec[1].x(); A(2,3)=+fidpointvec[1].y();
    A(3,0)=0.; A(3,1)=1; A(3,2)=+fidpointvec[1].y(); A(3,3)=-fidpointvec[1].x();
    A(4,0)=1.; A(4,1)=0; A(4,2)=+fidpointvec[2].x(); A(4,3)=+fidpointvec[2].y();
    A(5,0)=0.; A(5,1)=1; A(5,2)=+fidpointvec[2].y(); A(5,3)=-fidpointvec[2].x();
    A(6,0)=1.; A(6,1)=0; A(6,2)=+fidpointvec[3].x(); A(6,3)=+fidpointvec[3].y();
    A(7,0)=0.; A(7,1)=1; A(7,2)=+fidpointvec[3].y(); A(7,3)=-fidpointvec[3].x();
#ifdef DEBUG
    std::cout << "A: \n" << A << std::endl;
#endif

    // Covariance matrix
    ROOT::Math::SMatrix<value_t,nMsrmts,nMsrmts> W; // 8x8
    //ROOT::Math::MatRepSym<value_t,8> W;
    const value_t sigma_x2inv = 1./(sigma_x_*sigma_x_);
    const value_t sigma_y2inv = 1./(sigma_y_*sigma_y_);
    W(0,0) = sigma_x2inv;
    W(1,1) = sigma_y2inv;
    W(2,2) = sigma_x2inv;
    W(3,3) = sigma_y2inv;
    W(4,4) = sigma_x2inv;
    W(5,5) = sigma_y2inv;
    W(6,6) = sigma_x2inv;
    W(7,7) = sigma_y2inv;
#ifdef DEBUG
    std::cout << "W: \n" << W << std::endl;
#endif

    // Prepare for the fit
    ROOT::Math::SMatrix<value_t,nLcD,nLcD> ATWA; // 4x4
    ATWA = ROOT::Math::Transpose(A) * W * A;
    //ATWA = ROOT::Math::SimilarityT(A,W); // W muss symmterisch sein -> aendern.
    //std::cout << "ATWA: \n" << ATWA << std::endl;
    ROOT::Math::SMatrix<value_t,nLcD,nLcD> ATWAi; // 4x4
    int ifail = 0;
    ATWAi = ATWA.Inverse(ifail);
    if (ifail != 0)
    { // TODO: ifail Pruefung auf message logger ausgeben statt cout
        std::cout << "Problem singular - fit impossible." << std::endl;
        fitValidFlag_ = false;
        return;
    }
#ifdef DEBUG
    std::cout << "ATWA-1: \n" << ATWAi << ifail << std::endl;
#endif

    // Measurements
    ROOT::Math::SVector<value_t,nMsrmts> y; // 8
    y(0) = measurementVec_[0].x();
    y(1) = measurementVec_[0].y();
    y(2) = measurementVec_[1].x();
    y(3) = measurementVec_[1].y();
    y(4) = measurementVec_[2].x();
    y(5) = measurementVec_[2].y();
    y(6) = measurementVec_[3].x();
    y(7) = measurementVec_[3].y();
#ifdef DEBUG
    std::cout << "y: " << y << std::endl;
#endif

    // do the fit
    ROOT::Math::SVector<value_t,nLcD> a; // 4
    a = ATWAi * ROOT::Math::Transpose(A) * W * y;
    chi2_ = ROOT::Math::Dot(y,W*y)-ROOT::Math::Dot(a,ROOT::Math::Transpose(A)*W*y);
#ifdef DEBUG
    std::cout << "a: " << a 
        << " S= " << sqrt(a[2]*a[2]+a[3]*a[3]) 
        << " phi= " << atan(a[3]/a[2]) 
        << " chi2= " << chi2_ << std::endl;
    std::cout << "A*a: " << A*a << std::endl;
#endif
    a_.assign(a.begin(),a.end());

    // Calculate vector of residuals
    r = y - A*a;
#ifdef DEBUG
    std::cout << "r: " << r << std::endl;
#endif

    // Fill matrix for global fit with local derivatives
    localDerivsMatrix_(0,0)=1.; localDerivsMatrix_(0,1)=0; 
    localDerivsMatrix_(1,0)=0.; localDerivsMatrix_(1,1)=1; 
    localDerivsMatrix_(2,0)=1.; localDerivsMatrix_(2,1)=0; 
    localDerivsMatrix_(3,0)=0.; localDerivsMatrix_(3,1)=1; 
    localDerivsMatrix_(4,0)=1.; localDerivsMatrix_(4,1)=0; 
    localDerivsMatrix_(5,0)=0.; localDerivsMatrix_(5,1)=1; 
    localDerivsMatrix_(6,0)=1.; localDerivsMatrix_(6,1)=0; 
    localDerivsMatrix_(7,0)=0.; localDerivsMatrix_(7,1)=1; 
    localDerivsMatrix_(0,2)=+fidpointvec[0].x()+cosg*fidpoints_[0].x()-sing*fidpoints_[0].y();
    localDerivsMatrix_(0,3)=+fidpointvec[0].y()+cosg*fidpoints_[0].y()+sing*fidpoints_[0].x();
    localDerivsMatrix_(1,2)=+fidpointvec[0].y()+cosg*fidpoints_[0].y()+sing*fidpoints_[0].x();
    localDerivsMatrix_(1,3)=-fidpointvec[0].x()-cosg*fidpoints_[0].x()+sing*fidpoints_[0].y();
    localDerivsMatrix_(2,2)=+fidpointvec[1].x()+cosg*fidpoints_[1].x()-sing*fidpoints_[1].y();
    localDerivsMatrix_(2,3)=+fidpointvec[1].y()+cosg*fidpoints_[1].y()+sing*fidpoints_[1].x();
    localDerivsMatrix_(3,2)=+fidpointvec[1].y()+cosg*fidpoints_[1].y()+sing*fidpoints_[1].x();
    localDerivsMatrix_(3,3)=-fidpointvec[1].x()-cosg*fidpoints_[1].x()+sing*fidpoints_[1].y();
    localDerivsMatrix_(4,2)=+fidpointvec[2].x()+cosg*fidpoints_[2].x()-sing*fidpoints_[2].y();
    localDerivsMatrix_(4,3)=+fidpointvec[2].y()+cosg*fidpoints_[2].y()+sing*fidpoints_[2].x();
    localDerivsMatrix_(5,2)=+fidpointvec[2].y()+cosg*fidpoints_[2].y()+sing*fidpoints_[2].x();
    localDerivsMatrix_(5,3)=-fidpointvec[2].x()-cosg*fidpoints_[2].x()+sing*fidpoints_[2].y();
    localDerivsMatrix_(6,2)=+fidpointvec[3].x()+cosg*fidpoints_[3].x()-sing*fidpoints_[3].y();
    localDerivsMatrix_(6,3)=+fidpointvec[3].y()+cosg*fidpoints_[3].y()+sing*fidpoints_[3].x();
    localDerivsMatrix_(7,2)=+fidpointvec[3].y()+cosg*fidpoints_[3].y()+sing*fidpoints_[3].x();
    localDerivsMatrix_(7,3)=-fidpointvec[3].x()-cosg*fidpoints_[3].x()+sing*fidpoints_[3].y();

    // Fill vector with global derivatives and labels (8x3)
    globalDerivsMatrix_(0,0) = +a(2);
    globalDerivsMatrix_(0,1) = +a(3);
    globalDerivsMatrix_(0,2) = +cosg*(a(3)*fidpoints_[0].x()-a(2)*fidpoints_[0].y())
                   -sing*(a(2)*fidpoints_[0].x()+a(3)*fidpoints_[0].y());
    globalDerivsMatrix_(1,0) = -a(3);
    globalDerivsMatrix_(1,1) = +a(2);
    globalDerivsMatrix_(1,2) = +cosg*(a(2)*fidpoints_[0].x()+a(3)*fidpoints_[0].y())
                   -sing*(a(2)*fidpoints_[0].y()-a(3)*fidpoints_[0].x());
    globalDerivsMatrix_(2,0) = +a(2);
    globalDerivsMatrix_(2,1) = +a(3);
    globalDerivsMatrix_(2,2) = +cosg*(a(3)*fidpoints_[1].x()-a(2)*fidpoints_[1].y())
                   -sing*(a(2)*fidpoints_[1].x()+a(3)*fidpoints_[1].y());
    globalDerivsMatrix_(3,0) = -a(3);
    globalDerivsMatrix_(3,1) = +a(2);
    globalDerivsMatrix_(3,2) = +cosg*(a(2)*fidpoints_[1].x()+a(3)*fidpoints_[1].y())
                   -sing*(a(2)*fidpoints_[1].y()-a(3)*fidpoints_[1].x());

    globalDerivsMatrix_(4,0) = +a(2);
    globalDerivsMatrix_(4,1) = +a(3);
    globalDerivsMatrix_(4,2) = +cosg*(a(3)*fidpoints_[2].x()-a(2)*fidpoints_[2].y())
                   -sing*(a(2)*fidpoints_[2].x()+a(3)*fidpoints_[2].y());
    globalDerivsMatrix_(5,0) = -a(3);
    globalDerivsMatrix_(5,1) = +a(2);
    globalDerivsMatrix_(5,2) = +cosg*(a(2)*fidpoints_[2].x()+a(3)*fidpoints_[2].y())
                   -sing*(a(2)*fidpoints_[2].y()-a(3)*fidpoints_[2].x());
    globalDerivsMatrix_(6,0) = +a(2);
    globalDerivsMatrix_(6,1) = +a(3);
    globalDerivsMatrix_(6,2) = +cosg*(a(3)*fidpoints_[3].x()-a(2)*fidpoints_[3].y())
                   -sing*(a(2)*fidpoints_[3].x()+a(3)*fidpoints_[3].y());
    globalDerivsMatrix_(7,0) = -a(3);
    globalDerivsMatrix_(7,1) = +a(2);
    globalDerivsMatrix_(7,2) = +cosg*(a(2)*fidpoints_[3].x()+a(3)*fidpoints_[3].y())
                   -sing*(a(2)*fidpoints_[3].y()-a(3)*fidpoints_[3].x());

    fitValidFlag_ = true;
}

void SurveyPxbImageLocalFit::doFit	(	const fidpoint_t &	fidpointvec,
		const pede_label_t &	label1,
		const pede_label_t &	label2
	)

Definition at line 15 of file SurveyPxbImageLocalFit.cc.

References doFit(), labelVec1_, and labelVec2_.

{
    labelVec1_.clear();
    labelVec1_.push_back(label1+0);
    labelVec1_.push_back(label1+1);
    labelVec1_.push_back(label1+5);
    labelVec2_.clear();
    labelVec2_.push_back(label2+0);
    labelVec2_.push_back(label2+1);
    labelVec2_.push_back(label2+5);
    doFit(fidpointvec);
}

void SurveyPxbImageLocalFit::doFit	(	value_t	x1,
		value_t	y1,
		value_t	g1,
		value_t	x2,
		value_t	y2,
		value_t	g2
	)

Definition at line 204 of file SurveyPxbImageLocalFit.cc.

References funct::cos(), doFit(), fidpoints_, and funct::sin().

{
    // Creating vectors with the global parameters of the two modules
    ROOT::Math::SVector<value_t,4> mod1, mod2;
    mod1(0)=u1;
    mod1(1)=v1;
    mod1(2)=cos(g1);
    mod1(3)=sin(g1);
    mod2(0)=u2;
    mod2(1)=v2;
    mod2(2)=cos(g2);
    mod2(3)=sin(g2);
    //std::cout << "mod1: " << mod1 << std::endl;
    //std::cout << "mod2: " << mod2 << std::endl;

    // Create a matrix for the transformed position of the fidpoints
    ROOT::Math::SMatrix<value_t,4,4> M1, M2;
    M1(0,0)=1.; M1(0,1)=0.; M1(0,2)=+fidpoints_[0].x(); M1(0,3)=-fidpoints_[0].y();
    M1(1,0)=0.; M1(1,1)=1.; M1(1,2)=+fidpoints_[0].y(); M1(1,3)=+fidpoints_[0].x();
    M1(2,0)=1.; M1(2,1)=0.; M1(2,2)=+fidpoints_[1].x(); M1(2,3)=-fidpoints_[1].y();
    M1(3,0)=0.; M1(3,1)=1.; M1(3,2)=+fidpoints_[1].y(); M1(3,3)=+fidpoints_[1].x();
    M2(0,0)=1.; M2(0,1)=0.; M2(0,2)=+fidpoints_[2].x(); M2(0,3)=-fidpoints_[2].y();
    M2(1,0)=0.; M2(1,1)=1.; M2(1,2)=+fidpoints_[2].y(); M2(1,3)=+fidpoints_[2].x();
    M2(2,0)=1.; M2(2,1)=0.; M2(2,2)=+fidpoints_[3].x(); M2(2,3)=-fidpoints_[3].y();
    M2(3,0)=0.; M2(3,1)=1.; M2(3,2)=+fidpoints_[3].y(); M2(3,3)=+fidpoints_[3].x();

    //std::cout << "M1:\n" << M1 << std::endl;
    //std::cout << "M2:\n" << M2 << std::endl;

    ROOT::Math::SVector<value_t,4> mod_tr1, mod_tr2;
    mod_tr1 = M1*mod2;
    mod_tr2 = M2*mod1;
    //std::cout << "mod_tr1: " << mod_tr1 << std::endl;
    //std::cout << "mod_tr2: " << mod_tr2 << std::endl;

    fidpoint_t fidpointvec;
    fidpointvec.push_back(coord_t(mod_tr1(0),mod_tr1(1)));
    fidpointvec.push_back(coord_t(mod_tr1(2),mod_tr1(3)));
    fidpointvec.push_back(coord_t(mod_tr2(0),mod_tr2(1)));
    fidpointvec.push_back(coord_t(mod_tr2(2),mod_tr2(3)));

    doFit(fidpointvec);
}

SurveyPxbImageLocalFit::value_t SurveyPxbImageLocalFit::getChi2

(

)

returns the chi^2 of the fit

Definition at line 254 of file SurveyPxbImageLocalFit.cc.

References chi2_, and fitValidFlag_.

{
    if (!fitValidFlag_) throw std::logic_error("SurveyPxbImageLocalFit::getChi2(): Fit is not valid. Call doFit(...) before calling this function.");
    return chi2_;
}

const pede_label_t* SurveyPxbImageLocalFit::getGlobalDerivsLabelPtr ( count_t  i )

inline

Definition at line 61 of file SurveyPxbImageLocalFit.h.

References labelVec1_, and labelVec2_.

{return i<4 ? &labelVec1_[0] : &labelVec2_[0];};

const pede_deriv_t* SurveyPxbImageLocalFit::getGlobalDerivsPtr ( count_t  i )

inline

Definition at line 60 of file SurveyPxbImageLocalFit.h.

References globalDerivsMatrix_, and nGlD.

{return globalDerivsMatrix_.Array()+i*nGlD;};

pede_label_t SurveyPxbImageLocalFit::getGlobalDerivsSize ( )

inline

Definition at line 58 of file SurveyPxbImageLocalFit.h.

References nGlD.

{return nGlD; };

const pede_deriv_t* SurveyPxbImageLocalFit::getLocalDerivsPtr ( count_t  i )

inline

Definition at line 59 of file SurveyPxbImageLocalFit.h.

References localDerivsMatrix_, and nLcD.

{return localDerivsMatrix_.Array()+i*nLcD; };

pede_label_t SurveyPxbImageLocalFit::getLocalDerivsSize ( )

inline

Definition at line 57 of file SurveyPxbImageLocalFit.h.

References nLcD.

{return nLcD; };

SurveyPxbImageLocalFit::localpars_t SurveyPxbImageLocalFit::getLocalParameters

(

)

returns local parameters after fit

Definition at line 248 of file SurveyPxbImageLocalFit.cc.

References a_, and fitValidFlag_.

{
    if (!fitValidFlag_) throw std::logic_error("SurveyPxbImageLocalFit::getLocalParameters(): Fit is not valid. Call doFit(...) before calling this function.");
    return a_;
}

pede_deriv_t SurveyPxbImageLocalFit::getResiduum ( count_t  i )

inline

Definition at line 62 of file SurveyPxbImageLocalFit.h.

References r.

{ return (pede_deriv_t) r(i); };

pede_deriv_t SurveyPxbImageLocalFit::getSigma ( count_t  i )

inline

Definition at line 63 of file SurveyPxbImageLocalFit.h.

References SurveyPxbImage::sigma_x_, and SurveyPxbImage::sigma_y_.

{ return i%2 ? sigma_x_ : sigma_y_ ; };

void SurveyPxbImageLocalFit::initFidPoints ( )

inlineprivate

Initialise the fiducial points.

Definition at line 99 of file SurveyPxbImageLocalFit.h.

References fidpoints_.

Referenced by SurveyPxbImageLocalFit().

    {
        fidpoints_[0] = coord_t(-0.91,-3.30);
        fidpoints_[1] = coord_t(+0.91,-3.30);
        fidpoints_[2] = coord_t(-0.91,+3.30);
        fidpoints_[3] = coord_t(+0.91,+3.30);
    }

bool SurveyPxbImageLocalFit::isFitValid ( )

inline

returns validity flag

Definition at line 49 of file SurveyPxbImageLocalFit.h.

References fitValidFlag_.

{ return fitValidFlag_; };

void SurveyPxbImageLocalFit::setGlobalDerivsToZero

(

count_t

i

)

Definition at line 267 of file SurveyPxbImageLocalFit.cc.

References globalDerivsMatrix_, i, nGlD, and nMsrmts.

{
    if (!(j < nGlD)) throw std::range_error("SurveyPxbImageLocalFit::setLocalDerivsToZero(j): j out of range.");
    for(count_t i=0; i!=nMsrmts; i++)
    globalDerivsMatrix_(i,j)=0;
}

void SurveyPxbImageLocalFit::setLocalDerivsToZero

(

count_t

i

)

Definition at line 260 of file SurveyPxbImageLocalFit.cc.

References i, localDerivsMatrix_, nLcD, and nMsrmts.

{
    if (!(j < nLcD)) throw std::range_error("SurveyPxbImageLocalFit::setLocalDerivsToZero(j): j out of range.");
    for(count_t i=0; i!=nMsrmts; i++)
    localDerivsMatrix_(i,j)=0;
}

Member Data Documentation

localpars_t SurveyPxbImageLocalFit::a_

private

Local parameters.

Definition at line 70 of file SurveyPxbImageLocalFit.h.

Referenced by doFit(), and getLocalParameters().

value_t SurveyPxbImageLocalFit::chi2_

private

chi2 of the local fit

Definition at line 90 of file SurveyPxbImageLocalFit.h.

Referenced by doFit(), and getChi2().

bool SurveyPxbImageLocalFit::derivsValidFlag_

private

Definition at line 96 of file SurveyPxbImageLocalFit.h.

std::vector<coord_t> SurveyPxbImageLocalFit::fidpoints_

private

True position of the fiducial points on a sensor wrt. local frame (u,v)

Definition at line 87 of file SurveyPxbImageLocalFit.h.

Referenced by doFit(), and initFidPoints().

bool SurveyPxbImageLocalFit::fitValidFlag_

private

Validity Flag.

Definition at line 93 of file SurveyPxbImageLocalFit.h.

Referenced by doFit(), getChi2(), getLocalParameters(), and isFitValid().

ROOT::Math::SMatrix<pede_deriv_t,nMsrmts,nGlD> SurveyPxbImageLocalFit::globalDerivsMatrix_

private

Matrix with global derivs.

Definition at line 77 of file SurveyPxbImageLocalFit.h.

Referenced by doFit(), getGlobalDerivsPtr(), and setGlobalDerivsToZero().

std::vector<pede_label_t> SurveyPxbImageLocalFit::labelVec1_

private

Vector with labels to global derivs.

Definition at line 84 of file SurveyPxbImageLocalFit.h.

Referenced by doFit(), and getGlobalDerivsLabelPtr().

std::vector<pede_label_t> SurveyPxbImageLocalFit::labelVec2_

private

Definition at line 84 of file SurveyPxbImageLocalFit.h.

Referenced by doFit(), and getGlobalDerivsLabelPtr().

ROOT::Math::SMatrix<pede_deriv_t,nMsrmts,nLcD> SurveyPxbImageLocalFit::localDerivsMatrix_

private

Matrix with local derivs.

Definition at line 81 of file SurveyPxbImageLocalFit.h.

Referenced by doFit(), getLocalDerivsPtr(), and setLocalDerivsToZero().

const count_t SurveyPxbImageLocalFit::nFidpoints = 4

static

Definition at line 24 of file SurveyPxbImageLocalFit.h.

const count_t SurveyPxbImageLocalFit::nGlD = 3

static

Definition at line 20 of file SurveyPxbImageLocalFit.h.

Referenced by getGlobalDerivsPtr(), getGlobalDerivsSize(), and setGlobalDerivsToZero().

const count_t SurveyPxbImageLocalFit::nLcD = 4

static

Definition at line 21 of file SurveyPxbImageLocalFit.h.

Referenced by getLocalDerivsPtr(), getLocalDerivsSize(), and setLocalDerivsToZero().

const count_t SurveyPxbImageLocalFit::nLcPars = 4

static

Definition at line 23 of file SurveyPxbImageLocalFit.h.

const count_t SurveyPxbImageLocalFit::nMsrmts = 8

static

Definition at line 22 of file SurveyPxbImageLocalFit.h.

Referenced by MillePedeAlignmentAlgorithm::addPxbSurvey(), setGlobalDerivsToZero(), and setLocalDerivsToZero().

ROOT::Math::SVector<value_t, nMsrmts> SurveyPxbImageLocalFit::r

private

Vector of residuals.

Definition at line 73 of file SurveyPxbImageLocalFit.h.

Referenced by doFit(), and getResiduum().