L1MuonPixelTrackFitter::Circle Class Reference

#include <L1MuonPixelTrackFitter.h>

Public Types
typedef Point3DBase< long double, GlobalTag >	Point
typedef Vector3DBase< long double, GlobalTag >	Vector

Public Member Functions
const Point &	center () const
	Circle ()
	Circle (const GlobalPoint &h1, const GlobalPoint &h2, double curvature)
const long double &	curvature () const
bool	isValid () const

Private Attributes
Point	theCenter
long double	theCurvature
bool	theValid

Detailed Description

Definition at line 29 of file L1MuonPixelTrackFitter.h.

Member Typedef Documentation

typedef Point3DBase<long double, GlobalTag> L1MuonPixelTrackFitter::Circle::Point

Definition at line 32 of file L1MuonPixelTrackFitter.h.

typedef Vector3DBase<long double, GlobalTag> L1MuonPixelTrackFitter::Circle::Vector

Definition at line 31 of file L1MuonPixelTrackFitter.h.

Constructor & Destructor Documentation

L1MuonPixelTrackFitter::Circle::Circle ( )

inline

Definition at line 33 of file L1MuonPixelTrackFitter.h.

: theValid(false) {}

L1MuonPixelTrackFitter::Circle::Circle ( const GlobalPoint &  h1, const GlobalPoint &  h2, double  curvature  )

inline

Definition at line 34 of file L1MuonPixelTrackFitter.h.

References funct::abs(), ALCARECOTkAlJpsiMuMu_cff::charge, Vector3DBase< T, FrameTag >::cross(), Calorimetry_cff::dp, RecoEcal_EventContent_cff::ec, p1, p2, PV3DBase< T, PVType, FrameType >::perp2(), and mathSSE::sqrt().

                                                                           : theCurvature(curvature) {
      Point p1(h1);
      Point p2(h2);
      Vector dp = (p2 - p1) / 2.;
      int charge = theCurvature > 0 ? 1 : -1;
      Vector ec = charge * dp.cross(Vector(0, 0, 1)).unit();
      long double dist_tmp = 1. / theCurvature / theCurvature - dp.perp2();
      theValid = (dist_tmp > 0.);
      theCenter = p1 + dp + ec * sqrt(std::abs(dist_tmp));
    }

Member Function Documentation

const Point& L1MuonPixelTrackFitter::Circle::center ( ) const

inline

Definition at line 45 of file L1MuonPixelTrackFitter.h.

Referenced by L1MuonPixelTrackFitter::valPhi(), and L1MuonPixelTrackFitter::valTip().

{ return theCenter; }

const long double& L1MuonPixelTrackFitter::Circle::curvature ( ) const

inline

Definition at line 46 of file L1MuonPixelTrackFitter.h.

{ return theCurvature; }

bool L1MuonPixelTrackFitter::Circle::isValid ( void  ) const

inline

Definition at line 44 of file L1MuonPixelTrackFitter.h.

Referenced by ntupleDataFormat._Object::_checkIsValid(), and core.AutoHandle.AutoHandle::ReallyLoad().

{ return theValid; }

Member Data Documentation

Point L1MuonPixelTrackFitter::Circle::theCenter

private

Definition at line 51 of file L1MuonPixelTrackFitter.h.

long double L1MuonPixelTrackFitter::Circle::theCurvature

private

Definition at line 50 of file L1MuonPixelTrackFitter.h.

bool L1MuonPixelTrackFitter::Circle::theValid

private

Definition at line 49 of file L1MuonPixelTrackFitter.h.