InverseRaytracer::Solution Struct Reference

Solution of inverse ray-tracing. More...

#include <InverseRaytracer.h>

Public Member Functions
	Solution (double cfi, double sfi)
	constructor
void	setDirection (const CerenkovAngle &cer, const TOPTrack::TrackAngles &trk)
	Sets photon direction.
void	setTotalReflStatus (double A, double B, double cosTotal)
	Sets total reflection status for direct photon.
void	setTotalReflStatus (double A, double B, double cosTotal, double Kx, double Ky)
	Sets total reflection status for reflected photon.
bool	getStatus () const
	Returns status.
double	getFic () const
	Returns Cerenkov azimuthal angle.

Public Attributes
double	cosFic = 0
	cosine of azimuthal Cerenkov angle
double	sinFic = 0
	sine of azimuthal Cerenkov angle
double	kx = 0
	photon direction in x at emission
double	ky = 0
	photon direction in y at emission
double	kz = 0
	photon direction in z at emission
double	len = 0
	propagation length to detector plane
double	xD = 0
	unfolded coordinate x of photon at Detector plane
double	zD = 0
	coordinate z of Detector plane
double	yD = 0
	unfolded coordinate y of photon at Detector plane
double	yB = 0
	unfolded coordinate y of photon at Bar exit plane
int	Nxm = 0
	number of reflections in x before mirror
int	Nym = 0
	number of reflections in y before mirror
double	step = 0
	step for numerical derivative calculation
bool	totRefl = true
	total reflection status

Detailed Description

Solution of inverse ray-tracing.

Definition at line 66 of file InverseRaytracer.h.

Constructor & Destructor Documentation

Solution()

Solution	(	double	cfi,
		double	sfi
	)

constructor

Parameters

cfi	cosine of azimuthal Cerenkov angle
sfi	sine of azimuthal Cerenkov angle

Definition at line 28 of file InverseRaytracer.cc.

                                                            :
      cosFic(cfi), sinFic(sfi)
    {}

Member Function Documentation

getFic()

double getFic ( ) const

inline

Returns Cerenkov azimuthal angle.

Returns

Cerenkov azimuthal angle

Definition at line 124 of file InverseRaytracer.h.

{return atan2(sinFic, cosFic);}

getStatus()

bool getStatus

(

)

const

Returns status.

Returns

true if propagation length within the limits and total reflection

Definition at line 54 of file InverseRaytracer.cc.

    {
      return (len > 0 and len < s_maxLen and totRefl);
    }

setDirection()

void setDirection	(	const CerenkovAngle &	cer,
		const TOPTrack::TrackAngles &	trk
	)

Sets photon direction.

Parameters

cer	sine and cosine of Cerenkov angle
trk	sine and cosine of track polar and azimuthal angles at photon emission

Definition at line 33 of file InverseRaytracer.cc.

    {
      double a = trk.cosTh * cer.sinThc * cosFic + trk.sinTh * cer.cosThc;
      double b = cer.sinThc * sinFic;
      kx = a * trk.cosFi - b * trk.sinFi;
      ky = a * trk.sinFi + b * trk.cosFi;
      kz = trk.cosTh * cer.cosThc - trk.sinTh * cer.sinThc * cosFic;
    }

setTotalReflStatus() [1/2]

void setTotalReflStatus	(	double	A,
		double	B,
		double	cosTotal
	)

Sets total reflection status for direct photon.

Parameters

A	bar width (size in x)
B	bar thickness (size in y)
cosTotal	cosine of total reflection angle

Definition at line 42 of file InverseRaytracer.cc.

    {
      totRefl = (std::abs(kx) < cosTotal or std::abs(xD) < A / 2) and (std::abs(ky) < cosTotal or std::abs(yB) < B / 2);
    }

setTotalReflStatus() [2/2]

void setTotalReflStatus	(	double	A,
		double	B,
		double	cosTotal,
		double	Kx,
		double	Ky
	)

Sets total reflection status for reflected photon.

Parameters

A	bar width (size in x)
B	bar thickness (size in y)
cosTotal	cosine of total reflection angle
Kx	photon direction in x after mirror reflection
Ky	photon direction in y after mirror reflection

Definition at line 47 of file InverseRaytracer.cc.

    {
      bool beforeMirror = (std::abs(kx) < cosTotal or Nxm == 0) and (std::abs(ky) < cosTotal or Nym == 0);
      bool afterMirror = (std::abs(Kx) < cosTotal or std::abs(xD) < A / 2) and (std::abs(Ky) < cosTotal or std::abs(yB) < B / 2);
      totRefl = beforeMirror and afterMirror;
    }

Member Data Documentation

cosFic

double cosFic = 0

cosine of azimuthal Cerenkov angle

Definition at line 67 of file InverseRaytracer.h.

kx

double kx = 0

photon direction in x at emission

Definition at line 69 of file InverseRaytracer.h.

ky

double ky = 0

photon direction in y at emission

Definition at line 70 of file InverseRaytracer.h.

kz

double kz = 0

photon direction in z at emission

Definition at line 71 of file InverseRaytracer.h.

len

double len = 0

propagation length to detector plane

Definition at line 72 of file InverseRaytracer.h.

Nxm

int Nxm = 0

number of reflections in x before mirror

Definition at line 77 of file InverseRaytracer.h.

Nym

int Nym = 0

number of reflections in y before mirror

Definition at line 78 of file InverseRaytracer.h.

sinFic

double sinFic = 0

sine of azimuthal Cerenkov angle

Definition at line 68 of file InverseRaytracer.h.

step

double step = 0

step for numerical derivative calculation

Definition at line 79 of file InverseRaytracer.h.

totRefl

bool totRefl = true

total reflection status

Definition at line 80 of file InverseRaytracer.h.

xD

double xD = 0

unfolded coordinate x of photon at Detector plane

Definition at line 73 of file InverseRaytracer.h.

yB

double yB = 0

unfolded coordinate y of photon at Bar exit plane

Definition at line 76 of file InverseRaytracer.h.

yD

double yD = 0

unfolded coordinate y of photon at Detector plane

Definition at line 75 of file InverseRaytracer.h.

zD

double zD = 0

coordinate z of Detector plane

Definition at line 74 of file InverseRaytracer.h.

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The documentation for this struct was generated from the following files:

• top/reconstruction_cpp/include/InverseRaytracer.h
• top/reconstruction_cpp/src/InverseRaytracer.cc