mvapid::MVAAlg::SumDistance2 Struct Reference

#include "MVAAlg.h"

Public Member Functions
	SumDistance2 (TGraph2D *g)
double	operator() (const double *p)

Public Attributes
TGraph2D *	fGraph

Detailed Description

Definition at line 52 of file MVAAlg.h.

Constructor & Destructor Documentation

mvapid::MVAAlg::SumDistance2::SumDistance2 ( TGraph2D *  g )

inline

Definition at line 56 of file MVAAlg.h.

: fGraph(g) {}

Member Function Documentation

double mvapid::MVAAlg::SumDistance2::operator() ( const double *  p )

inline

Definition at line 59 of file MVAAlg.h.

References util::end(), tca::evt, hits(), sum, track, lar::dump::vector(), x, y, and z.

      {

        ROOT::Math::XYZVector x0(p[0], p[2], p[4]);
        ROOT::Math::XYZVector u(p[1], p[3], p[5]);

        u = u.Unit();
        double* x = fGraph->GetX();
        double* y = fGraph->GetY();
        double* z = fGraph->GetZ();
        int npoints = fGraph->GetN();
        double sum = 0;
        for (int i = 0; i < npoints; ++i) {
          ROOT::Math::XYZVector xp(x[i], y[i], z[i]);
          sum += ((xp - x0).Cross(u)).Mag2();
        }
        return sum;
      }

Member Data Documentation

TGraph2D* mvapid::MVAAlg::SumDistance2::fGraph

Definition at line 54 of file MVAAlg.h.

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

• larana/v09_15_05/source/larana/ParticleIdentification/MVAAlg.h