YScanner::Derivatives Struct Reference

Derivatives. More...

#include <YScanner.h>

Public Member Functions
	Derivatives ()
	Default constructor.
	Derivatives (const InverseRaytracer::Solution &sol, const InverseRaytracer::Solution &sol_dx, const InverseRaytracer::Solution &sol_de, const InverseRaytracer::Solution &sol_dL)
	Constructor.

Static Public Member Functions
static double	dLen_d (const InverseRaytracer::Solution &sol0, const InverseRaytracer::Solution &sol1)
	Calculates the derivative of propagation length.
static double	dyB_d (const InverseRaytracer::Solution &sol0, const InverseRaytracer::Solution &sol1)
	Calculates the derivative of unfolded y coordinate at prism entrance.
static double	dFic_d (const InverseRaytracer::Solution &sol0, const InverseRaytracer::Solution &sol1)
	Calculates the derivative of Cerenkov azimuthal angle.

Public Attributes
double	dLen_dx = 0
	propagation length over photon detection coordinate x
double	dLen_de = 0
	propagation length over photon energy
double	dLen_dL = 0
	propagation length over running parameter of particle trajectory
double	dyB_dx = 0
	unfolded y coordinate at prism entrance over photon detection coordinate x
double	dyB_de = 0
	unfolded y coordinate at prism entrance over photon energy
double	dyB_dL = 0
	unfolded y coordinate at prism entrance over running parameter of particle trajectory
double	dFic_dx = 0
	Cerenkov azimuthal angle over photon detection coordinate x.
double	dFic_de = 0
	Cerenkov azimuthal angle over photon energy.
double	dFic_dL = 0
	Cerenkov azimuthal angle over running parameter of particle trajectory.

Detailed Description

Derivatives.

Definition at line 40 of file YScanner.h.

Constructor & Destructor Documentation

Derivatives() [1/2]

Derivatives ( )

inline

Default constructor.

Definition at line 54 of file YScanner.h.

        {}

Derivatives() [2/2]

Derivatives	(	const InverseRaytracer::Solution &	sol,
		const InverseRaytracer::Solution &	sol_dx,
		const InverseRaytracer::Solution &	sol_de,
		const InverseRaytracer::Solution &	sol_dL )

Constructor.

Parameters

sol	central solution
sol_dx	solution displaced by dx
sol_de	solution displaced by de
sol_dL	solution dispalced by dL

Definition at line 25 of file YScanner.cc.

    {
      if (sol_dx.step == 0) B2ERROR("TOP::YScanner::Derivatives: step (dx) is zero");
      if (sol_de.step == 0) B2ERROR("TOP::YScanner::Derivatives: step (de) is zero");
      if (sol_dL.step == 0) B2ERROR("TOP::YScanner::Derivatives: step (dL) is zero");
 
      dLen_dx = dLen_d(sol, sol_dx);
      dLen_de = dLen_d(sol, sol_de);
      dLen_dL = dLen_d(sol, sol_dL);
 
      dyB_dx = dyB_d(sol, sol_dx);
      dyB_de = dyB_d(sol, sol_de);
      dyB_dL = dyB_d(sol, sol_dL);
 
      dFic_dx = dFic_d(sol, sol_dx);
      dFic_de = dFic_d(sol, sol_de);
      dFic_dL = dFic_d(sol, sol_dL);
    }

Member Function Documentation

dFic_d()

double dFic_d ( const InverseRaytracer::Solution & sol0, const InverseRaytracer::Solution & sol1 )

inlinestatic

Calculates the derivative of Cerenkov azimuthal angle.

Parameters

sol0	central solution
sol1	displaced solution

Returns

the derivative

Definition at line 566 of file YScanner.h.

    {
      if (std::abs(sol0.cosFic) > std::abs(sol0.sinFic)) {
        return (sol1.sinFic - sol0.sinFic) / sol0.cosFic / sol1.step;
      } else {
        return -(sol1.cosFic - sol0.cosFic) / sol0.sinFic / sol1.step;
      }
    }

dLen_d()

double dLen_d ( const InverseRaytracer::Solution & sol0, const InverseRaytracer::Solution & sol1 )

inlinestatic

Calculates the derivative of propagation length.

Parameters

sol0	central solution
sol1	displaced solution

Returns

the derivative

Definition at line 554 of file YScanner.h.

    {
      return (sol1.len - sol0.len) / sol1.step;
    }

dyB_d()

double dyB_d ( const InverseRaytracer::Solution & sol0, const InverseRaytracer::Solution & sol1 )

inlinestatic

Calculates the derivative of unfolded y coordinate at prism entrance.

Parameters

sol0	central solution
sol1	displaced solution

Returns

the derivative

Definition at line 560 of file YScanner.h.

    {
      return (sol1.yB - sol0.yB) / sol1.step;
    }

Member Data Documentation

dFic_de

double dFic_de = 0

Cerenkov azimuthal angle over photon energy.

Definition at line 48 of file YScanner.h.

dFic_dL

double dFic_dL = 0

Cerenkov azimuthal angle over running parameter of particle trajectory.

Definition at line 49 of file YScanner.h.

dFic_dx

double dFic_dx = 0

Cerenkov azimuthal angle over photon detection coordinate x.

Definition at line 47 of file YScanner.h.

dLen_de

double dLen_de = 0

propagation length over photon energy

Definition at line 42 of file YScanner.h.

dLen_dL

double dLen_dL = 0

propagation length over running parameter of particle trajectory

Definition at line 43 of file YScanner.h.

dLen_dx

double dLen_dx = 0

propagation length over photon detection coordinate x

Definition at line 41 of file YScanner.h.

dyB_de

double dyB_de = 0

unfolded y coordinate at prism entrance over photon energy

Definition at line 45 of file YScanner.h.

dyB_dL

double dyB_dL = 0

unfolded y coordinate at prism entrance over running parameter of particle trajectory

Definition at line 46 of file YScanner.h.

dyB_dx

double dyB_dx = 0

unfolded y coordinate at prism entrance over photon detection coordinate x

Definition at line 44 of file YScanner.h.

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

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