#include <TGo4FitModelGauss2.h>

Inheritance diagram for TGo4FitModelGauss2:

Public Member Functions
	TGo4FitModelGauss2 ()
	TGo4FitModelGauss2 (const char *iName, Double_t iPos1=1., Double_t iPos2=1., Double_t iWidth1=1., Double_t iWidth2=1., Double_t iCov12=0., Int_t iNaxis1=0, Int_t iNaxis2=1)
virtual	~TGo4FitModelGauss2 ()
Int_t	GetNumAxis1 ()
Int_t	GetNumAxis2 ()
Int_t	SetNumAxis1 (Int_t n)
Int_t	SetNumAxis2 (Int_t n)
virtual void	Print (Option_t *option) const
virtual Bool_t	BeforeEval (Int_t ndim)
virtual Double_t	EvalN (const Double_t *v)
Protected Member Functions
virtual Int_t	GetPosParIndex (Int_t naxis)
virtual Int_t	GetWidthParIndex (Int_t naxis)
Protected Attributes
Int_t	fiNaxis1
Int_t	fiNaxis2
Private Attributes
Double_t	Par_mu1
Double_t	Par_mu2
Double_t	Par_sig1
Double_t	Par_sig2
Double_t	Par_ro
Double_t	Par_mult

Detailed Description

Two dimensional gaussian peak.

Has following parameters: "Ampl" - amplitude; "Pos0" - line position on first coordinate; "Pos1" - line position on second coordinate; "Width0" - line width on first coordinate; "Width1" - line width on second coordinate; "Cov0_1" - covariation between first and second coordinate. By default, first coordinate associated with x axis, second - with y axis. To create instance of this model:

TGo4FitModelGauss2 *g = new TGo4FitModelGauss2("Gauss", 5., 5., 1., 1., 0.5);

where first parameter - name of model component, then initial value for positions, widths and covariation parameters are defined. To assigned coordinates to another axis, two more parameters should be used in the constructor:

TGo4FitModelGauss2 *g = new TGo4FitModelGauss2("Gauss", 5., 5., 1., 1., 0.5, 1, 2);

where 1 - assignment of first coordinate to y axis , 2 - assignment of second coordinate to z axis.

Definition at line 39 of file TGo4FitModelGauss2.h.

Constructor & Destructor Documentation

TGo4FitModelGauss2::TGo4FitModelGauss2 ( )

Default constructor.

Definition at line 21 of file TGo4FitModelGauss2.cxx.

TGo4FitModelGauss2::TGo4FitModelGauss2	(	const char *	iName,
		Double_t	iPos1 = `1.`,
		Double_t	iPos2 = `1.`,
		Double_t	iWidth1 = `1.`,
		Double_t	iWidth2 = `1.`,
		Double_t	iCov12 = `0.`,
		Int_t	iNaxis1 = `0`,
		Int_t	iNaxis2 = `1`
	)

Creates TGo4FitModelGauss2 with specified name. Initial value for positions, widths and covariation parameters can be specified. Also number of selected axis, where 2-dim gaussian will be build, can be specified (default 0 and 1).

Definition at line 24 of file TGo4FitModelGauss2.cxx.

References TGo4FitComponent::NewParameter().

TGo4FitModelGauss2::~TGo4FitModelGauss2 ( ) [virtual]

Destroys TGo4FitModelGauss2 object.

Definition at line 35 of file TGo4FitModelGauss2.cxx.

Member Function Documentation

Bool_t TGo4FitModelGauss2::BeforeEval ( Int_t ndim ) [virtual]

Prepares (if necesary) some intermediate variables to be able calculate values of model via EvalN() function. Number of axis, which will be used in evaluations, should be specified.

Reimplemented from TGo4FitModel.

Definition at line 39 of file TGo4FitModelGauss2.cxx.

References fiNaxis1, fiNaxis2, TGo4FitParsList::GetPar(), TGo4FitParameter::GetValue(), Par_mu1, Par_mu2, Par_mult, Par_ro, Par_sig1, and Par_sig2.

Double_t TGo4FitModelGauss2::EvalN ( const Double_t * v ) [virtual]

Calculates value of model according current parameters values and provided axes values. BeforeEval(), EvalN() & AfterEval() virtual methods provides general interface, where user-specific code should be situated.

Reimplemented from TGo4FitModel.

Definition at line 56 of file TGo4FitModelGauss2.cxx.

References fiNaxis1, fiNaxis2, Par_mu1, Par_mu2, Par_mult, Par_ro, Par_sig1, and Par_sig2.