mathieson

package

v0.0.0-...-7829f91 Latest Latest Go to latest Published: Jan 9, 2019 License: GPL-3.0 Imports: 10 Imported by: 0

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Valid go.mod file
Redistributable license
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Stable version
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Repository

github.com/aphecetche/galo

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Documentation ¶

Index ¶

Variables
func AtanEq11(x float64) float64
func AtanEq5(x float64) float64
func AtanEq7(x float64) float64
func AtanEq9(x float64) float64
func GenerateDigitGroup(deid mapping.DEID, x, y, charge float64, minRelCharge float64) galo.DigitGroup
func IntegrateDefault(x1, x2 float64, inversePitch, sk3, k2, k4 float64, ...) float64
func K2FromK3(k3 float64) float64
func K4FromK3(k3 float64) float64
func MakePlots(fname string)
func NewChargeIntegrator(deid mapping.DEID, impl IntegrateImpl) galo.ChargeIntegrator
func TanhApprox1(x float64) float64
func TanhApprox2(x float64) float64
func TanhApprox3(x float64) float64
type ChargeSpreadFunc
- func NewChargeSpreader(deid mapping.DEID, minRelCharge float64) ChargeSpreadFunc
- func (f ChargeSpreadFunc) SpreadCharge(q, x, y float64) []galo.Digit
type Integrate1DFunc
- func Integrator1D(pitch, k3 float64, impl IntegrateImpl) Integrate1DFunc
type IntegrateImpl
- func (impl IntegrateImpl) String() string
type MakePlotFunc
- func (f MakePlotFunc) MakePlots(fname string)
type Mathieson1D
- func NewMathieson1D(pitch, k3 float64) *Mathieson1D
- func (m Mathieson1D) F(x float64) float64
- func (m Mathieson1D) FWHM() float64
- func (m Mathieson1D) K3() float64
- func (m Mathieson1D) Pitch() float64
- func (m Mathieson1D) String() string
type Station

Constants ¶

This section is empty.

Variables ¶

View Source

var Plotter = MakePlotFunc(MakePlots)

Functions ¶

func AtanEq11 ¶

func AtanEq11(x float64) float64

func AtanEq5 ¶

func AtanEq5(x float64) float64

func AtanEq7 ¶

func AtanEq7(x float64) float64

func AtanEq9 ¶

func AtanEq9(x float64) float64

func GenerateDigitGroup ¶

func GenerateDigitGroup(deid mapping.DEID, x, y, charge float64, minRelCharge float64) galo.DigitGroup

func IntegrateDefault ¶

func IntegrateDefault(x1, x2 float64,
	inversePitch, sk3, k2, k4 float64, atan, tanh func(float64) float64) float64

func K2FromK3 ¶

func K2FromK3(k3 float64) float64

func K4FromK3 ¶

func K4FromK3(k3 float64) float64

func MakePlots ¶

func MakePlots(fname string)

func NewChargeIntegrator ¶

func NewChargeIntegrator(deid mapping.DEID, impl IntegrateImpl) galo.ChargeIntegrator

func TanhApprox1 ¶

func TanhApprox1(x float64) float64

func TanhApprox2 ¶

func TanhApprox2(x float64) float64

func TanhApprox3 ¶

func TanhApprox3(x float64) float64

Types ¶

type ChargeSpreadFunc ¶

type ChargeSpreadFunc func(q, x, y float64) []galo.Digit

func NewChargeSpreader ¶

func NewChargeSpreader(deid mapping.DEID, minRelCharge float64) ChargeSpreadFunc

func (ChargeSpreadFunc) SpreadCharge ¶

func (f ChargeSpreadFunc) SpreadCharge(q, x, y float64) []galo.Digit

type Integrate1DFunc ¶

type Integrate1DFunc func(float64, float64) float64

func Integrator1D ¶

func Integrator1D(pitch, k3 float64, impl IntegrateImpl) Integrate1DFunc

type IntegrateImpl ¶

type IntegrateImpl int

const (
	Unknown IntegrateImpl = iota
	IntegrateImplDefault
	IntegrateImplTanhApprox1
	IntegrateImplTanhApprox2
	IntegrateImplTanhApprox3
	IntegrateImplAtanEq5
	IntegrateImplAtanEq7
	IntegrateImplAtanEq9
	IntegrateImplAtanEq11
	IntegrateImplAtanEq5TanhApprox1
	IntegrateImplAtanEq7TanhApprox1
	IntegrateImplAtanEq9TanhApprox1
	IntegrateImplAtanEq11TanhApprox1
)

func (IntegrateImpl) String ¶

func (impl IntegrateImpl) String() string

type MakePlotFunc ¶

type MakePlotFunc func(fname string)

func (MakePlotFunc) MakePlots ¶

func (f MakePlotFunc) MakePlots(fname string)

type Mathieson1D ¶

type Mathieson1D struct {
	// contains filtered or unexported fields
}

Mathieson1D is a function that describe the charge distribution on cathodes of multiwire chambers.

See e.g. Mathieson, E. (1988). Cathode Charge Distributions in Multiwire Chambers. 4: Empirical Formula for Small Anode - Cathode Separation. Nucl. Instrum. Meth., A270(2-3), 602–603. http://doi.org/10.1016/0168-9002(88)90736-X

func NewMathieson1D ¶

func NewMathieson1D(pitch, k3 float64) *Mathieson1D

NewMathieson1D creates a 1D Dist function of given pitch and given K3 parameter.

func (Mathieson1D) F ¶

func (m Mathieson1D) F(x float64) float64

F returns the evaluation of the Mathieson at point x.

func (Mathieson1D) FWHM ¶

func (m Mathieson1D) FWHM() float64

FWHM returns an estimate of the full width half maximum.

func (Mathieson1D) K3 ¶

func (m Mathieson1D) K3() float64

K3 returns the K3 parameter of the Mathieson.

func (Mathieson1D) Pitch ¶

func (m Mathieson1D) Pitch() float64

Pitch returns the pitch (distance between the wires of the cathode pad chamber).

func (Mathieson1D) String ¶

func (m Mathieson1D) String() string

type Station ¶

type Station struct {
	K3x   float64
	K3y   float64
	Pitch float64 //cm
}

var (
	St1    Station = Station{0.49, 0.570025, 0.21}
	St2345 Station = Station{0.50851161, 0.58400164, 0.25}
)

Source Files ¶

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