SurveyPxbDicer Class Reference

#include <SurveyPxbDicer.h>

Classes
struct	findParByName
	Function object for searching for a parameter in the VPSet. More...

Public Types
typedef SurveyPxbImage::coord_t	coord_t
typedef unsigned int	count_t
typedef std::vector< coord_t >	fidpoint_t
typedef SurveyPxbImage::id_t	id_t
typedef std::pair< id_t, id_t >	idPair_t
typedef double	value_t

Public Member Functions
std::string	doDice (const fidpoint_t &fidpointvec, const idPair_t &id, const bool rotate=false)
void	doDice (const fidpoint_t &fidpointvec, const idPair_t &id, std::ofstream &outfile, const bool rotate=false)
	SurveyPxbDicer ()
	SurveyPxbDicer (const std::vector< edm::ParameterSet > &pars, unsigned int seed)

Private Member Functions
value_t	getParByName (const std::string &name, const std::string &par, const std::vector< edm::ParameterSet > &pars)
value_t	ranGauss (value_t mean, value_t sigma)
coord_t	transform (const coord_t &x, const value_t &a0, const value_t &a1, const value_t &a2, const value_t &a3)

Private Attributes
value_t	mean_a0
value_t	mean_a1
value_t	mean_phi
value_t	mean_scale
value_t	mean_x
value_t	mean_y
value_t	sigma_a0
value_t	sigma_a1
value_t	sigma_phi
value_t	sigma_scale
value_t	sigma_x
value_t	sigma_y

Detailed Description

Class to dice a picture from a given set of fiducial points This class has its use for toy MC simulations to validate the PXB survey

Definition at line 21 of file SurveyPxbDicer.h.

Member Typedef Documentation

typedef SurveyPxbImage::coord_t SurveyPxbDicer::coord_t

Definition at line 24 of file SurveyPxbDicer.h.

typedef unsigned int SurveyPxbDicer::count_t

Definition at line 27 of file SurveyPxbDicer.h.

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

Definition at line 26 of file SurveyPxbDicer.h.

typedef SurveyPxbImage::id_t SurveyPxbDicer::id_t

Definition at line 28 of file SurveyPxbDicer.h.

typedef std::pair<id_t,id_t> SurveyPxbDicer::idPair_t

Definition at line 29 of file SurveyPxbDicer.h.

typedef double SurveyPxbDicer::value_t

Definition at line 25 of file SurveyPxbDicer.h.

Constructor & Destructor Documentation

SurveyPxbDicer::SurveyPxbDicer ( )

inline

Definition at line 32 of file SurveyPxbDicer.h.

{};

SurveyPxbDicer::SurveyPxbDicer	(	const std::vector< edm::ParameterSet > &	pars,
		unsigned int	seed
	)

Definition at line 21 of file SurveyPxbDicer.cc.

References getParByName(), mean_a0, mean_a1, mean_phi, mean_scale, mean_x, mean_y, sigma_a0, sigma_a1, sigma_phi, sigma_scale, sigma_x, and sigma_y.

{
    CLHEP::HepRandom::setTheSeed( seed );
    mean_a0 = getParByName("a0", "mean", pars);
    sigma_a0 = getParByName("a0", "sigma", pars);
    mean_a1 = getParByName("a1", "mean", pars);
    sigma_a1 = getParByName("a1", "sigma", pars);
    mean_scale = getParByName("scale", "mean", pars);
    sigma_scale = getParByName("scale", "sigma", pars);
    mean_phi = getParByName("phi", "mean", pars);
    sigma_phi = getParByName("phi", "sigma", pars);
    mean_x = getParByName("x", "mean", pars);
    sigma_x = getParByName("x", "sigma", pars);
    mean_y = getParByName("y", "mean", pars);
    sigma_y = getParByName("y", "sigma", pars);
}

Member Function Documentation

std::string SurveyPxbDicer::doDice	(	const fidpoint_t &	fidpointvec,
		const idPair_t &	id,
		const bool	rotate = false
	)

Invoke the dicer

Parameters

fidpointvec	vector with fiducial points where values need to be diced for and transformed to the photo fram
idPair	pair of the id values

Definition at line 38 of file SurveyPxbDicer.cc.

References funct::cos(), mean_a0, mean_a1, mean_phi, mean_scale, p1, p2, p3, phi, ranGauss(), pileupReCalc_HLTpaths::scale, edm::second(), sigma_a0, sigma_a1, sigma_phi, sigma_scale, sigma_x, sigma_y, funct::sin(), transform(), x, PV3DBase< T, PVType, FrameType >::x(), and PV3DBase< T, PVType, FrameType >::y().

Referenced by MillePedeAlignmentAlgorithm::addPxbSurvey(), and doDice().

{
    // Dice the local parameters
    const value_t a0 = ranGauss(mean_a0, sigma_a0);
    const value_t a1 = ranGauss(mean_a1, sigma_a1);
    const value_t scale = ranGauss(mean_scale, sigma_scale);
    const value_t phi = ranGauss(mean_phi, sigma_phi);
    const value_t a2 = scale * cos(phi);
    const value_t a3 = scale * sin(phi);
    const coord_t p0 = transform(fidpointvec[0],a0,a1,a2,a3);
    const coord_t p1 = transform(fidpointvec[1],a0,a1,a2,a3);
    const coord_t p2 = transform(fidpointvec[2],a0,a1,a2,a3);
    const coord_t p3 = transform(fidpointvec[3],a0,a1,a2,a3);
    const value_t sign = rotate ? -1 : 1;
    std::ostringstream oss;
    oss << id.first << " " 
         << sign*ranGauss(p0.x(),sigma_x) << " " << -sign*ranGauss(p0.y(),sigma_y) << " "
         << sign*ranGauss(p1.x(),sigma_x) << " " << -sign*ranGauss(p1.y(),sigma_y) << " "
         << id.second << " "
         << sign*ranGauss(p2.x(),sigma_x) << " " << -sign*ranGauss(p2.y(),sigma_y) << " "
         << sign*ranGauss(p3.x(),sigma_x) << " " << -sign*ranGauss(p3.y(),sigma_y) << " "
         << sigma_x << " " << sigma_y << " "
         << rotate
         << " # MC-truth:"
         << " a0-a3: " << a0 << " " << a1 << " " << a2 << " " << a3
         << " S: " << scale
         << " phi: " << phi
         << " x0: " << fidpointvec[0].x() << " " << fidpointvec[0].y()
         << " x1: " << fidpointvec[1].x() << " " << fidpointvec[1].y()
         << " x2: " << fidpointvec[2].x() << " " << fidpointvec[2].y()
         << " x3: " << fidpointvec[3].x() << " " << fidpointvec[3].y()
         << std::endl;
    return oss.str();
}

void SurveyPxbDicer::doDice	(	const fidpoint_t &	fidpointvec,
		const idPair_t &	id,
		std::ofstream &	outfile,
		const bool	rotate = false
	)

Definition at line 73 of file SurveyPxbDicer.cc.

References doDice().

{
    outfile << doDice(fidpointvec, id, rotate);
}

SurveyPxbDicer::value_t SurveyPxbDicer::getParByName ( const std::string &  name, const std::string &  par, const std::vector< edm::ParameterSet > &  pars  )

private

Gets parameter by name from the VPSet

Parameters

name	name of the parameter to be searched for in field 'name' of the VPSet
par	selects the value, i.e. mean or sigma
pars	reference to VPSet

Definition at line 83 of file SurveyPxbDicer.cc.

Referenced by SurveyPxbDicer().

{
    std::vector<edm::ParameterSet>::const_iterator it;
    it = std::find_if(pars.begin(), pars.end(), std::bind1st(findParByName(),name));
    if (it == pars.end()) { throw std::runtime_error("Parameter not found in SurveyPxbDicer::getParByName"); }
    return (*it).getParameter<value_t>(par);
}

value_t SurveyPxbDicer::ranGauss ( value_t  mean, value_t  sigma  )

inlineprivate

invoke the RNG to geat a gaussian smeared value

Parameters

mean	mean value
sigma

Definition at line 46 of file SurveyPxbDicer.h.

Referenced by doDice().

{return CLHEP::RandGauss::shoot(mean,sigma);};

SurveyPxbDicer::coord_t SurveyPxbDicer::transform ( const coord_t &  x, const value_t &  a0, const value_t &  a1, const value_t &  a2, const value_t &  a3  )

private

Transform the diced values to the frame of a toy photograph

Parameters

x	coordinate to be transformed from local frame to photo frame
a0	Transformation parameter, shift in x
a1	Transformation parameter, shift in y
a2	Transformation parameter, scale*cos(phi)
a3	Transformation parameter, scale*sin(phi)

Definition at line 78 of file SurveyPxbDicer.cc.

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

Referenced by Vispa.Views.LineDecayView.DecayLine::boundingRect(), Vispa.Views.LineDecayView.DecayLine::containsPoint(), doDice(), and Vispa.Views.LineDecayView.DecayLine::paint().

{
    return coord_t(a0+a2*x.x()+a3*x.y(), a1-a3*x.x()+a2*x.y());
}

Member Data Documentation

value_t SurveyPxbDicer::mean_a0

private

Definition at line 46 of file SurveyPxbDicer.h.

Referenced by doDice(), and SurveyPxbDicer().

value_t SurveyPxbDicer::mean_a1

private

Definition at line 49 of file SurveyPxbDicer.h.

Referenced by doDice(), and SurveyPxbDicer().

value_t SurveyPxbDicer::mean_phi

private

Definition at line 51 of file SurveyPxbDicer.h.

Referenced by doDice(), and SurveyPxbDicer().

value_t SurveyPxbDicer::mean_scale

private

Definition at line 50 of file SurveyPxbDicer.h.

Referenced by doDice(), and SurveyPxbDicer().

value_t SurveyPxbDicer::mean_x

private

Definition at line 52 of file SurveyPxbDicer.h.

Referenced by SurveyPxbDicer().

value_t SurveyPxbDicer::mean_y

private

Definition at line 53 of file SurveyPxbDicer.h.

Referenced by SurveyPxbDicer().

value_t SurveyPxbDicer::sigma_a0

private

Definition at line 46 of file SurveyPxbDicer.h.

Referenced by doDice(), and SurveyPxbDicer().

value_t SurveyPxbDicer::sigma_a1

private

Definition at line 49 of file SurveyPxbDicer.h.

Referenced by doDice(), and SurveyPxbDicer().

value_t SurveyPxbDicer::sigma_phi

private

Definition at line 51 of file SurveyPxbDicer.h.

Referenced by doDice(), and SurveyPxbDicer().

value_t SurveyPxbDicer::sigma_scale

private

Definition at line 50 of file SurveyPxbDicer.h.

Referenced by doDice(), and SurveyPxbDicer().

value_t SurveyPxbDicer::sigma_x

private

Definition at line 52 of file SurveyPxbDicer.h.

Referenced by doDice(), and SurveyPxbDicer().

value_t SurveyPxbDicer::sigma_y

private

Definition at line 53 of file SurveyPxbDicer.h.

Referenced by doDice(), and SurveyPxbDicer().