geoalgo::Vector Class Reference

#include <GeoVector.h>

Inheritance diagram for geoalgo::Vector:

Public Member Functions
	Vector ()
	Default ctor. More...
	Vector (size_t n)
	Ctor to instantiate with invalid value. More...
	Vector (const std::vector< double > &obj)
	Default ctor w/ a bare std::vector<double> More...
	Vector (const double x, const double y)
	ctor w/ x & y More...
	Vector (const double x, const double y, const double z)
	ctor w/ x, y & z More...
	Vector (const TVector3 &pt)
	ctor w/ TVector3 More...
	Vector (const TLorentzVector &pt)
	ctor w/ TLorentzVector More...
void	Normalize ()
	Normalize itself. More...
bool	IsValid () const
	Check if point is valid. More...
double	SqLength () const
	Compute the squared length of the vector. More...
double	Length () const
	Compute the length of the vector. More...
Vector	Dir () const
	Return a direction unit vector. More...
double	Phi () const
	Compute the angle Phi. More...
double	Theta () const
	Compute the angle theta. More...
double	SqDist (const Vector &obj) const
	Compute the squared distance to another vector. More...
double	Dist (const Vector &obj) const
	Compute the distance to another vector. More...
double	Dot (const Vector &obj) const
Vector	Cross (const Vector &obj) const
	Compute a dot product of two vectors. More...
double	Angle (const Vector &obj) const
	Compute a cross product of two vectors. More...
TLorentzVector	ToTLorentzVector () const
	Compute an opening angle w.r.t. the given vector. More...
void	compat (const Vector &obj) const
	Dimensional check for a compatibility. More...
void	RotateX (const double &theta)
	rotation operations More...
void	RotateY (const double &theta)
void	RotateZ (const double &theta)
Vector &	operator+= (const Vector &rhs)
Vector &	operator-= (const Vector &rhs)
Vector &	operator*= (const double rhs)
Vector &	operator/= (const double rhs)
Vector &	operator= (const Vector &rhs)
Vector	operator+ (const Vector &rhs) const
Vector	operator- (const Vector &rhs) const
double	operator* (const Vector &rhs) const
Vector	operator* (const double &rhs) const
Vector	operator/ (const double &rhs) const
bool	operator< (const Vector &rhs) const
bool	operator< (const double &rhs) const
bool	operator== (const Vector &rhs) const
bool	operator!= (const Vector &rhs) const
	Vector ()
	Default ctor. More...
	Vector (size_t n)
	Ctor to instantiate with invalid value. More...
	Vector (const std::vector< double > &obj)
	Default ctor w/ a bare std::vector<double> More...
	Vector (const double x, const double y)
	ctor w/ x & y More...
	Vector (const double x, const double y, const double z)
	ctor w/ x, y & z More...
	Vector (const TVector3 &pt)
	ctor w/ TVector3 More...
	Vector (const TLorentzVector &pt)
	ctor w/ TLorentzVector More...
virtual	~Vector ()
	Default dtor. More...
void	Normalize ()
	Normalize itself. More...
bool	IsValid () const
	Check if point is valid. More...
double	SqLength () const
	Compute the squared length of the vector. More...
double	Length () const
	Compute the length of the vector. More...
Vector	Dir () const
	Return a direction unit vector. More...
double	Phi () const
	Compute the angle Phi. More...
double	Theta () const
	Compute the angle theta. More...
double	SqDist (const Vector &obj) const
	Compute the squared distance to another vector. More...
double	Dist (const Vector &obj) const
	Compute the distance to another vector. More...
double	Dot (const Vector &obj) const
Vector	Cross (const Vector &obj) const
	Compute a dot product of two vectors. More...
double	Angle (const Vector &obj) const
	Compute a cross product of two vectors. More...
TLorentzVector	ToTLorentzVector () const
	Compute an opening angle w.r.t. the given vector. More...
void	compat (const Vector &obj) const
	Dimensional check for a compatibility. More...
void	RotateX (const double &theta)
	rotation operations More...
void	RotateY (const double &theta)
void	RotateZ (const double &theta)
std::string	dump () const
Vector &	operator+= (const Vector &rhs)
Vector &	operator-= (const Vector &rhs)
Vector &	operator*= (const double rhs)
Vector &	operator/= (const double rhs)
Vector &	operator= (const Vector &rhs)
Vector	operator+ (const Vector &rhs) const
Vector	operator- (const Vector &rhs) const
double	operator* (const Vector &rhs) const
Vector	operator* (const double &rhs) const
Vector	operator/ (const double &rhs) const
bool	operator< (const Vector &rhs) const
bool	operator< (const double &rhs) const
bool	operator== (const Vector &rhs) const
bool	operator!= (const Vector &rhs) const

Protected Member Functions
double	_SqDist_ (const Vector &obj) const
	Compute the squared-distance to another vector w/o dimension check. More...
double	_Dist_ (const Vector &obj) const
	Compute the distance to another vector w/o dimension check. More...
double	_Dot_ (const Vector &obj) const
	Compute a dot product w/o dimention check. More...
Vector	_Cross_ (const Vector &obj) const
	Compute a cross product w/o dimension check. More...
double	_Angle_ (const Vector &obj) const
	Compute the angle in degrees between 2 vectors w/o dimension check. More...
double	_SqDist_ (const Vector &obj) const
	Compute the squared-distance to another vector w/o dimension check. More...
double	_Dist_ (const Vector &obj) const
	Compute the distance to another vector w/o dimension check. More...
double	_Dot_ (const Vector &obj) const
	Compute a dot product w/o dimention check. More...
Vector	_Cross_ (const Vector &obj) const
	Compute a cross product w/o dimension check. More...
double	_Angle_ (const Vector &obj) const
	Compute the angle in degrees between 2 vectors w/o dimension check. More...

Friends
class	Trajectory
class	HalfLine
class	LineSegment
class	Sphere
class	GeoAlgo
std::ostream &	operator<< (std::ostream &o,::geoalgo::Vector const &a)
	Streamer. More...
std::ostream &	operator<< (std::ostream &o,::geoalgo::Vector const &a)
	Streamer. More...

Additional Inherited Members
Public Attributes inherited from std::vector< T >
T	elements
	STL member. More...

Detailed Description

This class represents an n-dimensional vector

Definition at line 33 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

Constructor & Destructor Documentation

geoalgo::Vector::Vector ( )

inline

Default ctor.

Definition at line 41 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

             : std::vector<double>()
    {}

geoalgo::Vector::Vector ( size_t  n )

inline

Ctor to instantiate with invalid value.

Definition at line 45 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

                     : std::vector<double>(n,kINVALID_DOUBLE)
    {}

geoalgo::Vector::Vector ( const std::vector< double > &  obj )

inline

Default ctor w/ a bare std::vector<double>

Definition at line 49 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

                                         : std::vector<double>(obj)
    {}

geoalgo::Vector::Vector	(	const double	x,
		const double	y
	)

ctor w/ x & y

Definition at line 10 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

                                               : Vector(2)
  { (*this)[0] = x; (*this)[1] = y; }

geoalgo::Vector::Vector	(	const double	x,
		const double	y,
		const double	z
	)

ctor w/ x, y & z

Definition at line 13 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

                                                               : Vector(3)
  { (*this)[0] = x; (*this)[1] = y; (*this)[2] = z; }

geoalgo::Vector::Vector

(

const TVector3 &

pt

)

ctor w/ TVector3

Definition at line 16 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

                                   : Vector(3)
  { (*this)[0] = pt[0]; (*this)[1] = pt[1]; (*this)[2] = pt[2]; }

geoalgo::Vector::Vector

(

const TLorentzVector &

pt

)

ctor w/ TLorentzVector

Definition at line 19 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

                                         : Vector(3)
  { (*this)[0] = pt[0]; (*this)[1] = pt[1]; (*this)[2] = pt[2]; }

geoalgo::Vector::Vector ( )

inline

Default ctor.

Definition at line 43 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

             : std::vector<double>()
    {}

geoalgo::Vector::Vector ( size_t  n )

inline

Ctor to instantiate with invalid value.

Definition at line 47 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

                     : std::vector<double>(n,kINVALID_DOUBLE)
    {}

geoalgo::Vector::Vector ( const std::vector< double > &  obj )

inline

Default ctor w/ a bare std::vector<double>

Definition at line 51 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

                                         : std::vector<double>(obj)
    {}

geoalgo::Vector::Vector	(	const double	x,
		const double	y
	)

ctor w/ x & y

geoalgo::Vector::Vector	(	const double	x,
		const double	y,
		const double	z
	)

ctor w/ x, y & z

geoalgo::Vector::Vector

(

const TVector3 &

pt

)

ctor w/ TVector3

geoalgo::Vector::Vector

(

const TLorentzVector &

pt

)

ctor w/ TLorentzVector

virtual geoalgo::Vector::~Vector ( )

inlinevirtual

Default dtor.

Definition at line 60 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

Member Function Documentation

double geoalgo::Vector::_Angle_ ( const Vector &  obj ) const

protected

Compute the angle in degrees between 2 vectors w/o dimension check.

Definition at line 130 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

  { return acos( _Dot_(obj) / Length() / obj.Length() ); }

double geoalgo::Vector::_Angle_ ( const Vector &  obj ) const

protected

Compute the angle in degrees between 2 vectors w/o dimension check.

Vector geoalgo::Vector::_Cross_ ( const Vector &  obj ) const

protected

Compute a cross product w/o dimension check.

Definition at line 121 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

  {
    Vector res(3);
    res[0] = (*this)[1] * obj[2] - obj[1] * (*this)[2];
    res[1] = (*this)[2] * obj[0] - obj[2] * (*this)[0];
    res[2] = (*this)[0] * obj[1] - obj[0] * (*this)[1];
    return res;
  }

Vector geoalgo::Vector::_Cross_ ( const Vector &  obj ) const

protected

Compute a cross product w/o dimension check.

double geoalgo::Vector::_Dist_ ( const Vector &  obj ) const

protected

Compute the distance to another vector w/o dimension check.

Definition at line 115 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

  { return sqrt(_SqDist_(obj)); }

double geoalgo::Vector::_Dist_ ( const Vector &  obj ) const

protected

Compute the distance to another vector w/o dimension check.

double geoalgo::Vector::_Dot_ ( const Vector &  obj ) const

protected

Compute a dot product w/o dimention check.

Definition at line 118 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

    { return (*this) * obj; }

double geoalgo::Vector::_Dot_ ( const Vector &  obj ) const

protected

Compute a dot product w/o dimention check.

double geoalgo::Vector::_SqDist_ ( const Vector &  obj ) const

protected

Compute the squared-distance to another vector w/o dimension check.

Definition at line 108 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

  {
    double dist = 0;
    for(size_t i=0; i<size(); ++i) dist += ((*this)[i] - obj[i]) * ((*this)[i] - obj[i]);
      return dist;
  }

double geoalgo::Vector::_SqDist_ ( const Vector &  obj ) const

protected

Compute the squared-distance to another vector w/o dimension check.

double geoalgo::Vector::Angle

(

const Vector &

obj

)

const

Compute a cross product of two vectors.

Definition at line 76 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

                                              {
    compat(obj);
    if(size()!=2 && size()!=3)
      throw GeoAlgoException("<<Angle>> only possible for 2 or 3-dimensional vectors!");
    return _Angle_(obj);
  }

double geoalgo::Vector::Angle

(

const Vector &

obj

)

const

Compute a cross product of two vectors.

void geoalgo::Vector::compat

(

const Vector &

obj

)

const

Dimensional check for a compatibility.

Definition at line 97 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

                                             {
    if(size() != obj.size()) {
      std::ostringstream msg;
        msg << "<<" << __FUNCTION__ << ">>"
            << " size mismatch: "
            << size() << " != " << obj.size()
            << std::endl;
        throw GeoAlgoException(msg.str());
    }
  }

void geoalgo::Vector::compat

(

const Vector &

obj

)

const

Dimensional check for a compatibility.

Vector geoalgo::Vector::Cross

(

const Vector &

obj

)

const

Compute a dot product of two vectors.

Definition at line 56 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

                                              {

    if(size()!=3 || obj.size()!=3)

      throw GeoAlgoException("<<Cross>> only possible for 3-dimensional vectors!");

    return _Cross_(obj);
  }

Vector geoalgo::Vector::Cross

(

const Vector &

obj

)

const

Compute a dot product of two vectors.

Vector geoalgo::Vector::Dir

(

)

const

Return a direction unit vector.

Definition at line 91 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

                           {
    Vector res(*this);
    res /= res.Length();
    return res;
  }

Vector geoalgo::Vector::Dir

(

)

const

Return a direction unit vector.

double geoalgo::Vector::Dist

(

const Vector &

obj

)

const

Compute the distance to another vector.

Definition at line 48 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

  { return sqrt(SqDist(obj)); }

double geoalgo::Vector::Dist

(

const Vector &

obj

)

const

Compute the distance to another vector.

double geoalgo::Vector::Dot

(

const Vector &

obj

)

const

Definition at line 51 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

                                            {
    compat(obj);
    return _Dot_(obj);
  }

double geoalgo::Vector::Dot

(

const Vector &

obj

)

const

std::string geoalgo::Vector::dump

(

)

const

Definition at line 185 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.cxx.

                               {
    
    std::string msg="Pt (";
    for(size_t i=0; i<this->size(); ++i)
      msg += (std::to_string((*this)[i]) + ( (i+1) == this->size()  ? ")" : ","));
    return msg;
  }

bool geoalgo::Vector::IsValid

(

)

const

Check if point is valid.

Definition at line 22 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

                             {

    for (auto const &v : (*this)){
      // if any point is different from kINVALID_DOUBLE
      // then the point is valid
      if (v != kINVALID_DOUBLE)
        return true;
    }

    return false;
  }

bool geoalgo::Vector::IsValid

(

)

const

Check if point is valid.

double geoalgo::Vector::Length

(

)

const

Compute the length of the vector.

Definition at line 40 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

  { return sqrt(SqLength()); }

double geoalgo::Vector::Length

(

)

const

Compute the length of the vector.

void geoalgo::Vector::Normalize

(

)

Normalize itself.

Definition at line 89 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

{ (*this) /= this->Length(); }

void geoalgo::Vector::Normalize

(

)

Normalize itself.

bool geoalgo::Vector::operator!= ( const Vector &  rhs ) const

inline

Definition at line 180 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

    { return !(*this == rhs); }

bool geoalgo::Vector::operator!= ( const Vector &  rhs ) const

inline

Definition at line 185 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

    { return !(*this == rhs); }

double geoalgo::Vector::operator* ( const Vector &  rhs ) const

inline

Definition at line 140 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

    {
      double res=0;
      for(size_t i=0; i<size(); ++i) res += (*this)[i] * rhs[i];
      return res;
    }

double geoalgo::Vector::operator* ( const Vector &  rhs ) const

inline

Definition at line 145 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

    { 
      double res=0;
      for(size_t i=0; i<size(); ++i) res += (*this)[i] * rhs[i];
      return res;
    }

Vector geoalgo::Vector::operator* ( const double &  rhs ) const

inline

Definition at line 147 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

    {
      Vector res((*this));
      res *= rhs;
      return res;
    }

Vector geoalgo::Vector::operator* ( const double &  rhs ) const

inline

Definition at line 152 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

    {
      Vector res((*this));
      res *= rhs;
      return res;
    }

Vector& geoalgo::Vector::operator*= ( const double  rhs )

inline

Definition at line 110 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

                                                {
      for(auto &v : *this) v *= rhs;
      return *this;
    }

Vector& geoalgo::Vector::operator*= ( const double  rhs )

inline

Definition at line 115 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

                                                {
      for(auto &v : *this) v *= rhs;
      return *this;
    }

Vector geoalgo::Vector::operator+ ( const Vector &  rhs ) const

inline

Definition at line 126 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

    {
      Vector res((*this));
      res+=rhs;
      return res;
    }

Vector geoalgo::Vector::operator+ ( const Vector &  rhs ) const

inline

Definition at line 131 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

    { 
      Vector res((*this));
      res+=rhs;
      return res;
    }

Vector& geoalgo::Vector::operator+= ( const Vector &  rhs )

inline

Definition at line 100 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

                                                 {
      for(size_t i=0; i<size(); ++i) (*this)[i] += rhs[i];
      return *this;
    }

Vector& geoalgo::Vector::operator+= ( const Vector &  rhs )

inline

Definition at line 105 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

                                                 { 
      for(size_t i=0; i<size(); ++i) (*this)[i] += rhs[i];
      return *this;
    }

Vector geoalgo::Vector::operator- ( const Vector &  rhs ) const

inline

Definition at line 133 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

    {
      Vector res((*this));
      res-=rhs;
      return res;
    }

Vector geoalgo::Vector::operator- ( const Vector &  rhs ) const

inline

Definition at line 138 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

    { 
      Vector res((*this));
      res-=rhs;
      return res;
    }

Vector& geoalgo::Vector::operator-= ( const Vector &  rhs )

inline

Definition at line 105 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

                                                 {
      for(size_t i=0; i<size(); ++i) (*this)[i] -= rhs[i];
      return *this;
    }

Vector& geoalgo::Vector::operator-= ( const Vector &  rhs )

inline

Definition at line 110 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

                                                 {
      for(size_t i=0; i<size(); ++i) (*this)[i] -= rhs[i];
      return *this;
    }

Vector geoalgo::Vector::operator/ ( const double &  rhs ) const

inline

Definition at line 154 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

    {
      Vector res((*this));
      res /= rhs;
      return res;
    }

Vector geoalgo::Vector::operator/ ( const double &  rhs ) const

inline

Definition at line 159 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

    {
      Vector res((*this));
      res /= rhs;
      return res;
    }

Vector& geoalgo::Vector::operator/= ( const double  rhs )

inline

Definition at line 115 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

                                                {
      for(auto &v : *this) v /= rhs;
      return *this;
    }

Vector& geoalgo::Vector::operator/= ( const double  rhs )

inline

Definition at line 120 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

                                                {
      for(auto &v : *this) v /= rhs;
      return *this;
    }

bool geoalgo::Vector::operator< ( const Vector &  rhs ) const

inline

Definition at line 161 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

    {
      compat(rhs);
      for(size_t i=0; i<size(); ++i)
        if((*this)[i] < rhs[i]) return true;
      return false;
    }

bool geoalgo::Vector::operator< ( const Vector &  rhs ) const

inline

Definition at line 166 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

    { 
      compat(rhs);
      for(size_t i=0; i<size(); ++i)
        if((*this)[i] < rhs[i]) return true;
      return false;
    }

bool geoalgo::Vector::operator< ( const double &  rhs ) const

inline

Definition at line 169 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

    { return Length() < rhs; }

bool geoalgo::Vector::operator< ( const double &  rhs ) const

inline

Definition at line 174 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

    { return Length() < rhs; }

Vector& geoalgo::Vector::operator= ( const Vector &  rhs )

inline

Definition at line 120 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

                                                {
      this->resize(rhs.size());
      for(size_t i=0; i<rhs.size(); ++i) (*this)[i]=rhs[i];
      return (*this);
    }

Vector& geoalgo::Vector::operator= ( const Vector &  rhs )

inline

Definition at line 125 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

                                                {
      this->resize(rhs.size());
      for(size_t i=0; i<rhs.size(); ++i) (*this)[i]=rhs[i];
      return (*this);
    }

bool geoalgo::Vector::operator== ( const Vector &  rhs ) const

inline

Definition at line 172 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

    {
      compat(rhs);
      for(size_t i=0; i<size(); ++i)
        if((*this)[i] != rhs[i]) return false;
      return true;
    }

bool geoalgo::Vector::operator== ( const Vector &  rhs ) const

inline

Definition at line 177 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

    { 
      compat(rhs); 
      for(size_t i=0; i<size(); ++i) 
        if((*this)[i] != rhs[i]) return false;
      return true;
    }

double geoalgo::Vector::Phi

(

)

const

Compute the angle Phi.

Definition at line 65 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

                           {
    return (*this)[0] == 0.0 && (*this)[1] == 0.0 ? 0.0 : atan2((*this)[1],(*this)[0]);
  }

double geoalgo::Vector::Phi

(

)

const

Compute the angle Phi.

void geoalgo::Vector::RotateX

(

const double &

theta

)

rotation operations

Definition at line 134 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

  {

    double c = cos(theta);
    double s = sin(theta);

    double ynew = (*this)[1] * c - (*this)[2] * s;
    double znew = (*this)[1] * s + (*this)[2] * c;

    (*this)[1] = ynew;
    (*this)[2] = znew;

    return;
  }

void geoalgo::Vector::RotateX

(

const double &

theta

)

rotation operations

void geoalgo::Vector::RotateY

(

const double &

theta

)

Definition at line 150 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

  {

    double c = cos(theta);
    double s = sin(theta);

    double xnew =   (*this)[0] * c + (*this)[2] * s;
    double znew = - (*this)[0] * s + (*this)[2] * c;

    (*this)[0] = xnew;
    (*this)[2] = znew;

    return;
  }

void geoalgo::Vector::RotateY

(

const double &

theta

)

void geoalgo::Vector::RotateZ

(

const double &

theta

)

Definition at line 166 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

  {

    double c = cos(theta);
    double s = sin(theta);

    double xnew = (*this)[0] * c - (*this)[1] * s;
    double ynew = (*this)[0] * s + (*this)[1] * c;

    (*this)[0] = xnew;
    (*this)[1] = ynew;

    return;
  }

void geoalgo::Vector::RotateZ

(

const double &

theta

)

double geoalgo::Vector::SqDist

(

const Vector &

obj

)

const

Compute the squared distance to another vector.

Definition at line 43 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

                                               {
    compat(obj);
    return _SqDist_(obj);
  }

double geoalgo::Vector::SqDist

(

const Vector &

obj

)

const

Compute the squared distance to another vector.

double geoalgo::Vector::SqLength

(

)

const

Compute the squared length of the vector.

Definition at line 34 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

                                {
    double res=0;
    for(auto const &v : (*this)) res += v*v;
    return res;
  }

double geoalgo::Vector::SqLength

(

)

const

Compute the squared length of the vector.

double geoalgo::Vector::Theta

(

)

const

Compute the angle theta.

Definition at line 69 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

                             {
    if ( size() != 3 )
      throw GeoAlgoException("<<Theta>> Only possible for 3-dimensional vectors!");

    return (*this).Length() == 0.0 ? 0.0 : acos( (*this)[2] / (*this).Length() );
  }

double geoalgo::Vector::Theta

(

)

const

Compute the angle theta.

TLorentzVector geoalgo::Vector::ToTLorentzVector

(

)

const

Compute an opening angle w.r.t. the given vector.

Convert geovector to TLorentzVector (with 4th element set equal to 0)

Definition at line 83 of file larcorealg/larcorealg/GeoAlgo/GeoVector.cxx.

                                                {
    if(size()!=3)
      throw GeoAlgoException("<<ToTLorentsVector>> only possible for 3-dimensional vectors!");
    return TLorentzVector((*this)[0],(*this)[1],(*this)[2],0.);
  }

TLorentzVector geoalgo::Vector::ToTLorentzVector

(

)

const

Compute an opening angle w.r.t. the given vector.

Convert geovector to TLorentzVector (with 4th element set equal to 0)

Friends And Related Function Documentation

GeoAlgo

friend

Definition at line 38 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

HalfLine

friend

Definition at line 35 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

LineSegment

friend

Definition at line 36 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

std::ostream& operator<< ( std::ostream &  o, ::geoalgo::Vector const &  a  )

friend

Streamer.

Definition at line 185 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

    { o << "Vector ("; for(auto const& v : a) o << v << " ";
      o << ")";
      return o;
    }

std::ostream& operator<< ( std::ostream &  o, ::geoalgo::Vector const &  a  )

friend

Streamer.

Definition at line 190 of file sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h.

    { o << a.dump(); return o; }

Sphere

friend

Definition at line 37 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

Trajectory

friend

Definition at line 34 of file larcorealg/larcorealg/GeoAlgo/GeoVector.h.

---

The documentation for this class was generated from the following files:

• larcorealg/larcorealg/GeoAlgo/GeoVector.h
• sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.h
• larcorealg/larcorealg/GeoAlgo/GeoVector.cxx
• sbncode/sbncode/OpT0Finder/flashmatch/GeoAlgo/GeoVector.cxx