line3Dfit.C File Reference

#include <TMath.h>
#include <TGraph2D.h>
#include <TRandom2.h>
#include <TStyle.h>
#include <TCanvas.h>
#include <TF2.h>
#include <TH1.h>
#include <TVirtualFitter.h>
#include <TPolyLine3D.h>
#include <Math/Vector3D.h>

Go to the source code of this file.

Functions
void	line (double t, double *p, double &x, double &y, double &z)
double	distance2 (double x, double y, double z, double *p)
void	SumDistance2 (int &, double *, double &sum, double *par, int)
void	line3Dfit ()
int	main ()
Variables
bool	first = true

---

Function Documentation

double distance2	(	double	x,
		double	y,
		double	z,
		double *	p
	)

Definition at line 37 of file line3Dfit.C.

References Cross(), ROOT::Math::Mag2(), u, ROOT::Math::Unit(), x0, and x1.

Referenced by SumDistance2().

void line	(	double	t,
		double *	p,
		double &	x,
		double &	y,
		double &	z
	)

Definition at line 27 of file line3Dfit.C.

void line3Dfit

(

)

Definition at line 76 of file line3Dfit.C.

References TGraph::Draw(), TPolyLine3D::Draw(), TVirtualFitter::Fitter(), TRandom::Gaus(), gr, gRandom, gStyle, i, kBlue, kRed, l, line, min, N, n, p0(), TAttLine::SetLineColor(), TStyle::SetOptFit(), TStyle::SetOptStat(), TGraph::SetPoint(), TPolyLine3D::SetPoint(), SumDistance2(), t, TRandom::Uniform(), x, and y.

Referenced by main().

int main

(

void

)

Definition at line 168 of file line3Dfit.C.

References line3Dfit().

void SumDistance2	(	int &	,
		double *	,
		double &	sum,
		double *	par,
		int
	)

Definition at line 51 of file line3Dfit.C.

References d, distance2(), TVirtualFitter::GetFitter(), TGraph::GetN(), TGraph::GetX(), TGraph::GetY(), gr, i, sqrt(), x, and y.

Referenced by line3Dfit().

---

Variable Documentation

bool first = true

Definition at line 47 of file line3Dfit.C.

---