JFIT::JLine3Z Class Reference

Data structure for fit of straight line in positive z-direction. More...

#include <JLine3Z.hh>

Inheritance diagram for JFIT::JLine3Z:

Public Types
typedef double JLine3Z::*	parameter_type

Public Member Functions
	JLine3Z ()
	Default constructor. More...
	JLine3Z (const JLine1Z &line)
	Constructor. More...
	JLine3Z (const JLine1Z &line, const JVersor3Z &dir)
	Constructor. More...
void	move (const double step, const double velocity)
	Move vertex along this line with given velocity. More...
void	setZ (const double z, const double velocity)
	Set z-position. More...
JLine3Z &	negate ()
	Prefix unary minus. More...
JLine3Z &	add (const JLine3Z &value)
	Addition operator. More...
JLine3Z &	sub (const JLine3Z &value)
	Subtraction operator. More...
JLine3Z &	mul (const double value)
	Multiplication operator. More...
JLine3Z &	div (const double value)
	Division operator. More...
	operator JTrack3D () const
	Type conversion. More...
double	getDistanceSquared (const JVector3D &pos) const
	Get distance squared. More...
double	getDistance (const JVector3D &pos) const
	Get distance. More...
double	getT (const JVector3D &pos) const
	Get arrival time of Cherenkov light at given position. More...
JVersor3D	getDirection (const JVector3D &pos) const
	Get photon direction of Cherenkov light on PMT. More...
double	getDot (const JAxis3D &axis) const
	Get cosine angle of impact of Cherenkov light on PMT. More...
double	getT () const
	Get time. More...
double	getZ (const JPosition3D &pos) const
	Get point of emission of Cherenkov light along muon path. More...
double	getZ () const
	Get z position. More...
double	getDot (const JAngle3D &angle) const
	Get dot product. More...
double	getDot (const JVersor3D &dir) const
	Get dot product. More...
double	getDot (const JVersor3Z &dir) const
	Get dot product. More...
double	getDot (const JVector3D &vector) const
	Get dot product. More...
JVertex3D &	add (const JVertex3D &value)
	Addition operator. More...
JVector3D &	add (const JVector3D &vector)
	Add vector. More...
JTime &	add (const JTime &value)
	Addition operator. More...
JVertex3D &	sub (const JVertex3D &value)
	Subtraction operator. More...
JVector3D &	sub (const JVector3D &vector)
	Subtract vector. More...
JTime &	sub (const JTime &value)
	Subtraction operator. More...
JFirst_t &	mul (const JSecond_t &object)
	Multiply with object. More...
JFirst_t &	mul (const JSecond_t &object)
	Multiply with object. More...
const JPosition3D &	getPosition () const
	Get position. More...
JPosition3D &	getPosition ()
	Get position. More...
void	setPosition (const JVector3D &pos)
	Set position. More...
	operator JAngle3D () const
	Type conversion operator. More...
	operator JVersor3D () const
	Type conversion operator. More...
JPosition3D &	rotate (const JRotation3D &R)
	Rotate. More...
JPosition3D &	rotate (const JRotation3X &R)
	Rotate around X-axis. More...
JPosition3D &	rotate (const JRotation3Y &R)
	Rotate around Y-axis. More...
JPosition3D &	rotate (const JRotation3Z &R)
	Rotate around Z-axis. More...
JPosition3D &	rotate (const JQuaternion3D &Q)
	Rotate. More...
JPosition3D &	rotate_back (const JRotation3D &R)
	Rotate back. More...
JPosition3D &	rotate_back (const JRotation3X &R)
	Rotate back around X-axis. More...
JPosition3D &	rotate_back (const JRotation3Y &R)
	Rotate back around Y-axis. More...
JPosition3D &	rotate_back (const JRotation3Z &R)
	Rotate back around Z-axis. More...
JPosition3D &	rotate_back (const JQuaternion3D &Q)
	Rotate back. More...
void	transform (const JRotation3D &R, const JVector3D &pos)
	Transform position. More...
JVector3D &	transform (const JMatrix3D &T)
	Transform. More...
void	transform_back (const JRotation3D &R, const JVector3D &pos)
	Transform back position. More...
	operator JVector2D () const
	Type conversion operator. More...
double	getX () const
	Get x position. More...
double	getY () const
	Get y position. More...
bool	equals (const JVector3D &vector, const double precision=std::numeric_limits< double >::min()) const
	Check equality. More...
double	getLengthSquared () const
	Get length squared. More...
double	getLength () const
	Get length. More...
JVector3D &	getCross (const JVector3D &first, const JVector3D &second)
	Get cross product. More...
const JVersor3Z &	getDirection () const
	Get direction. More...
JVersor3Z &	getDirection ()
	Get direction. More...
void	setDirection (const JVersor3Z &direction)
	Set direction. More...
	operator JAngle3D () const
	Get angle. More...
	operator JVector3D () const
	Type conversion operator. More...
	operator JVersor3D () const
	Type conversion operator. More...
double	getDX () const
	Get x direction. More...
double	getDY () const
	Get y direction. More...
double	getDZ () const
	Get z direction. More...
JVersor3Z &	add (const JVersor3Z &value)
	Addition operator. More...
JVersor3Z &	sub (const JVersor3Z &value)
	Subtraction operator. More...
JFirst_t &	mul (const JSecond_t &object)
	Multiply with object. More...
bool	equals (const JVersor3D &versor, const double precision=std::numeric_limits< double >::min()) const
	Check equality. More...
double	getDot (const JVersor3Z &dir) const
	Get dot product. More...
double	getDot (const JAngle3D &angle) const
	Get dot product. More...
double	getDot (const JVector3D &pos) const
	Get dot product. More...
double	getDot (const JVersor3D &dir) const
	Get dot product. More...
JFirst_t &	mul (const JSecond_t &object)
	Multiply with object. More...

Static Public Member Functions
static parameter_type	pDX ()
static parameter_type	pDY ()
static parameter_type	pX ()
static parameter_type	pY ()
static parameter_type	pT ()

Protected Attributes
double	__x
double	__y
double	__z
double	__t
double	__dx
double	__dy

Friends
std::istream &	operator>> (std::istream &in, JLine3Z &object)
	Read object from input. More...
std::ostream &	operator<< (std::ostream &out, const JLine3Z &object)
	Write object to output. More...

Detailed Description

Data structure for fit of straight line in positive z-direction.

Note that the position coordinates are defined with respect to the given direction.

Definition at line 36 of file JLine3Z.hh.

Member Typedef Documentation

typedef double JLine3Z::* JFIT::JLine3Z::parameter_type

Definition at line 317 of file JLine3Z.hh.

Constructor & Destructor Documentation

JFIT::JLine3Z::JLine3Z ( )

inline

Default constructor.

Definition at line 54 of file JLine3Z.hh.

              :
      JLine1Z(),
      JVersor3Z()
    {}

JFIT::JLine3Z::JLine3Z ( const JLine1Z &  line )

inline

Constructor.

Parameters

line

line

Definition at line 65 of file JLine3Z.hh.

                                 :
      JLine1Z(line),
      JVersor3Z()
    {}

JFIT::JLine3Z::JLine3Z ( const JLine1Z &  line, const JVersor3Z &  dir  )

inline

Constructor.

Parameters

line	line
dir	direction

Definition at line 77 of file JLine3Z.hh.

                                  :
      JLine1Z(line),
      JVersor3Z(dir)
    {}

Member Function Documentation

void JFIT::JLine3Z::move ( const double  step, const double  velocity  )

inline

Move vertex along this line with given velocity.

Parameters

step	step
velocity	velocity

Definition at line 90 of file JLine3Z.hh.

    {
      __x += step * getDX();
      __y += step * getDY();
      __z += step * getDZ();
      __t += step / velocity;
    }

void JFIT::JLine3Z::setZ ( const double  z, const double  velocity  )

inline

Set z-position.

Parameters

z	z-position
velocity	velocity

Definition at line 105 of file JLine3Z.hh.

    {
      move((z - getZ()) / getDZ(), velocity);
    }

JLine3Z& JFIT::JLine3Z::negate ( )

inline

Prefix unary minus.

Returns

line

Definition at line 116 of file JLine3Z.hh.

    {
      JLine1Z  ::negate();
      JVersor3Z::negate();

      return *this;
    }

JLine3Z& JFIT::JLine3Z::add ( const JLine3Z &  value )

inline

Addition operator.

Parameters

value

line

Returns

line

Definition at line 131 of file JLine3Z.hh.

    {
      JLine1Z  ::add(value);
      JVersor3Z::add(value);

      return *this;
    }

JLine3Z& JFIT::JLine3Z::sub ( const JLine3Z &  value )

inline

Subtraction operator.

Parameters

value

line

Returns

line

Definition at line 146 of file JLine3Z.hh.

    {
      JLine1Z  ::sub(value);
      JVersor3Z::sub(value);

      return *this;
    }

JLine3Z& JFIT::JLine3Z::mul ( const double  value )

inline

Multiplication operator.

Parameters

value

multiplication factor

Returns

line

Definition at line 161 of file JLine3Z.hh.

    {
      JLine1Z  ::mul(value);
      JVersor3Z::mul(value);

      return *this;
    }

JLine3Z& JFIT::JLine3Z::div ( const double  value )

inline

Division operator.

Parameters

value

multiplication factor

Returns

line

Definition at line 176 of file JLine3Z.hh.

    {
      JLine1Z  ::div(value);
      JVersor3Z::div(value);

      return *this;
    }

JFIT::JLine3Z::operator JTrack3D ( ) const

inline

Type conversion.

Returns

track

Definition at line 190 of file JLine3Z.hh.

    {
      return JTrack3D(JAxis3D(this->getPosition(),
                              this->getDirection()),
                      this->getT());
    }

double JFIT::JLine3Z::getDistanceSquared ( const JVector3D &  pos ) const

inline

Get distance squared.

Parameters

pos

position

Returns

square of distance

Definition at line 204 of file JLine3Z.hh.

    {
      JPosition3D D(pos);

      D.sub(this->getPosition());

      const double dz = D.getDot(this->getDirection());

      return D.getLengthSquared() - dz*dz;
    }

double JFIT::JLine3Z::getDistance ( const JVector3D &  pos ) const

inline

Get distance.

Parameters

pos

position

Returns

distance

Definition at line 222 of file JLine3Z.hh.

    {
      return sqrt(this->getDistanceSquared(pos));
    }

double JFIT::JLine3Z::getT ( const JVector3D &  pos ) const

inline

Get arrival time of Cherenkov light at given position.

Parameters

pos	position [m]

Returns

time [ns]

Definition at line 234 of file JLine3Z.hh.

    {
      using namespace JPP;

      JPosition3D D(pos);

      D.sub(this->getPosition());

      const double dz = D.getDot(this->getDirection());
      const double R  = sqrt(D.getLengthSquared() - dz*dz);
      
      return this->getT() + (dz + R * getKappaC()) * getInverseSpeedOfLight();
    }

JVersor3D JFIT::JLine3Z::getDirection ( const JVector3D &  pos ) const

inline

Get photon direction of Cherenkov light on PMT.

Parameters

pos	PMT position

Returns

direction

Definition at line 255 of file JLine3Z.hh.

    {
      using namespace JPP;

      JPosition3D D(pos);

      D.sub(this->getPosition());

      const double dz = D.getDot(this->getDirection());
      const double R  = sqrt(D.getLengthSquared() - dz*dz);

      D.sub(JPosition3D(this->getDirection()) * (dz - R/getTanThetaC()));
      
      return JDirection3D(D);
    }

double JFIT::JLine3Z::getDot ( const JAxis3D &  axis ) const

inline

Get cosine angle of impact of Cherenkov light on PMT.

Parameters

axis

PMT axis

Returns

cosine angle of impact

Definition at line 278 of file JLine3Z.hh.

    {
      return getDirection(axis.getPosition()).getDot(axis.getDirection());
    }

static parameter_type JFIT::JLine3Z::pDX ( )

inlinestatic

Definition at line 319 of file JLine3Z.hh.

{ return &JLine3Z::__dx; }

static parameter_type JFIT::JLine3Z::pDY ( )

inlinestatic

Definition at line 320 of file JLine3Z.hh.

{ return &JLine3Z::__dy; }

double JGEOMETRY3D::JTime::getT ( ) const

inlineinherited

Get time.

Returns

time

Definition at line 122 of file JGeometry3D/JTime.hh.

    {
      return __t;
    }

double JFIT::JLine1Z::getZ ( const JPosition3D &  pos ) const

inlineinherited

Get point of emission of Cherenkov light along muon path.

Parameters

pos

position

Returns

position along muon path

Definition at line 134 of file JLine1Z.hh.

    {
      using namespace JPP;

      return pos.getZ()  -  this->getDistance(pos) / getTanThetaC();
    }

double JGEOMETRY3D::JVector3D::getZ ( ) const

inlineinherited

Get z position.

Returns

z position

Definition at line 115 of file JVector3D.hh.

    { 
      return __z;
    }

double JGEOMETRY3D::JPosition3D::getDot ( const JAngle3D &  angle ) const

inlineinherited

Get dot product.

Parameters

angle

angle

Returns

dot product

Definition at line 378 of file JPosition3D.hh.

    {
      return
        getX() * angle.getDX() +
        getY() * angle.getDY() +
        getZ() * angle.getDZ();
    }

double JGEOMETRY3D::JPosition3D::getDot ( const JVersor3D &  dir ) const

inlineinherited

Get dot product.

Parameters

dir

direction

Returns

dot product

Definition at line 393 of file JPosition3D.hh.

    {
      return
        getX() * dir.getDX() +
        getY() * dir.getDY() +
        getZ() * dir.getDZ();
    }

double JGEOMETRY3D::JPosition3D::getDot ( const JVersor3Z &  dir ) const

inlineinherited

Get dot product.

Parameters

dir

direction

Returns

dot product

Definition at line 408 of file JPosition3D.hh.

    {
      return
        getX() * dir.getDX() +
        getY() * dir.getDY() +
        getZ() * dir.getDZ();
    }

double JGEOMETRY3D::JVector3D::getDot ( const JVector3D &  vector ) const

inlineinherited

Get dot product.

Parameters

vector

vector

Returns

dot product

Definition at line 282 of file JVector3D.hh.

    {
      return
        getX() * vector.getX() +
        getY() * vector.getY() +
        getZ() * vector.getZ();
    }

static parameter_type JFIT::JLine1Z::pX ( )

inlinestaticinherited

Definition at line 180 of file JLine1Z.hh.

{ return &JLine1Z::__x; }

static parameter_type JFIT::JLine1Z::pY ( )

inlinestaticinherited

Definition at line 181 of file JLine1Z.hh.

{ return &JLine1Z::__y; }

static parameter_type JFIT::JLine1Z::pT ( )

inlinestaticinherited

Definition at line 182 of file JLine1Z.hh.

{ return &JLine1Z::__t; }

JVertex3D& JGEOMETRY3D::JVertex3D::add ( const JVertex3D &  value )

inlineinherited

Addition operator.

Parameters

value

line

Returns

line

Definition at line 87 of file JVertex3D.hh.

    {
      JPosition3D::add(value);
      JTime      ::add(value);

      return *this;
    }

JVector3D& JGEOMETRY3D::JVector3D::add ( const JVector3D &  vector )

inlineinherited

Add vector.

Parameters

vector

vector

Returns

this vector

Definition at line 142 of file JVector3D.hh.

    {
      __x += vector.getX();
      __y += vector.getY();
      __z += vector.getZ();

      return *this;
    }

JTime& JGEOMETRY3D::JTime::add ( const JTime &  value )

inlineinherited

Addition operator.

Parameters

value

time

Returns

time

Definition at line 67 of file JGeometry3D/JTime.hh.

    {
      __t += value.getT();

      return *this;
    }

JVertex3D& JGEOMETRY3D::JVertex3D::sub ( const JVertex3D &  value )

inlineinherited

Subtraction operator.

Parameters

value

line

Returns

line

Definition at line 102 of file JVertex3D.hh.

    {
      JPosition3D::sub(value);
      JTime      ::sub(value);

      return *this;
    }

JVector3D& JGEOMETRY3D::JVector3D::sub ( const JVector3D &  vector )

inlineinherited

Subtract vector.

Parameters

vector

vector

Returns

this vector

Definition at line 158 of file JVector3D.hh.

    {
      __x -= vector.getX();
      __y -= vector.getY();
      __z -= vector.getZ();

      return *this;
    }

JTime& JGEOMETRY3D::JTime::sub ( const JTime &  value )

inlineinherited

Subtraction operator.

Parameters

value

time

Returns

time

Definition at line 81 of file JGeometry3D/JTime.hh.

    {
      __t -= value.getT();

      return *this;
    }

template<class JFirst_t, class JSecond_t = JNullType>

JFirst_t& JMATH::JMath< JFirst_t, JSecond_t >::mul ( const JSecond_t &  object )

inlineinherited

Multiply with object.

Parameters

object

object

Returns

result object

Definition at line 354 of file JMath.hh.

    {
      return static_cast<JFirst_t&>(*this) = JFirst_t().mul(static_cast<const JFirst_t&>(*this), object);
    }

template<class JFirst_t, class JSecond_t = JNullType>

JFirst_t& JMATH::JMath< JFirst_t, JSecond_t >::mul ( const JSecond_t &  object )

inlineinherited

Multiply with object.

Parameters

object

object

Returns

result object

Definition at line 354 of file JMath.hh.

    {
      return static_cast<JFirst_t&>(*this) = JFirst_t().mul(static_cast<const JFirst_t&>(*this), object);
    }

const JPosition3D& JGEOMETRY3D::JPosition3D::getPosition ( ) const

inlineinherited

Get position.

Returns

position

Definition at line 130 of file JPosition3D.hh.

    {
      return static_cast<const JPosition3D&>(*this);
    }

JPosition3D& JGEOMETRY3D::JPosition3D::getPosition ( )

inlineinherited

Get position.

Returns

position

Definition at line 141 of file JPosition3D.hh.

    {
      return static_cast<JPosition3D&>(*this);
    }

void JGEOMETRY3D::JPosition3D::setPosition ( const JVector3D &  pos )

inlineinherited

Set position.

Parameters

pos

position

Definition at line 152 of file JPosition3D.hh.

    {
      static_cast<JVector3D&>(*this) = pos;
    }

JGEOMETRY3D::JPosition3D::operator JAngle3D ( ) const

inlineinherited

Type conversion operator.

Returns

angle

Definition at line 163 of file JPosition3D.hh.

    {
      return JAngle3D(getX(), getY(), getZ());
    }

JGEOMETRY3D::JPosition3D::operator JVersor3D ( ) const

inlineinherited

Type conversion operator.

Returns

direction

Definition at line 174 of file JPosition3D.hh.

    {
      return JVersor3D(getX(), getY(), getZ());
    }

JPosition3D& JGEOMETRY3D::JPosition3D::rotate ( const JRotation3D &  R )

inlineinherited

Rotate.

Parameters

R	rotation matrix

Returns

this position

Definition at line 186 of file JPosition3D.hh.

    {
      R.rotate(__x, __y, __z);

      return *this;
    }

JPosition3D& JGEOMETRY3D::JPosition3D::rotate ( const JRotation3X &  R )

inlineinherited

Rotate around X-axis.

Parameters

R	rotation matrix

Returns

this position

Definition at line 214 of file JPosition3D.hh.

    {
      R.rotate(__y, __z);

      return *this;
    }

JPosition3D& JGEOMETRY3D::JPosition3D::rotate ( const JRotation3Y &  R )

inlineinherited

Rotate around Y-axis.

Parameters

R	rotation matrix

Returns

this position

Definition at line 242 of file JPosition3D.hh.

    {
      R.rotate(__x, __z);

      return *this;
    }

JPosition3D& JGEOMETRY3D::JPosition3D::rotate ( const JRotation3Z &  R )

inlineinherited

Rotate around Z-axis.

Parameters

R	rotation matrix

Returns

this position

Definition at line 270 of file JPosition3D.hh.

    {
      R.rotate(__x, __y);

      return *this;
    }

JPosition3D& JGEOMETRY3D::JPosition3D::rotate ( const JQuaternion3D &  Q )

inlineinherited

Rotate.

Parameters

Q	quaternion

Returns

this position

Definition at line 298 of file JPosition3D.hh.

    {
      Q.rotate(__x, __y, __z);
      
      return *this;
    }

JPosition3D& JGEOMETRY3D::JPosition3D::rotate_back ( const JRotation3D &  R )

inlineinherited

Rotate back.

Parameters

R	rotation matrix

Returns

this position

Definition at line 200 of file JPosition3D.hh.

    {
      R.rotate_back(__x, __y, __z);

      return *this;
    }

JPosition3D& JGEOMETRY3D::JPosition3D::rotate_back ( const JRotation3X &  R )

inlineinherited

Rotate back around X-axis.

Parameters

R	rotation matrix

Returns

this position

Definition at line 228 of file JPosition3D.hh.

    {
      R.rotate_back(__y, __z);

      return *this;
    }

JPosition3D& JGEOMETRY3D::JPosition3D::rotate_back ( const JRotation3Y &  R )

inlineinherited

Rotate back around Y-axis.

Parameters

R	rotation matrix

Returns

this position

Definition at line 256 of file JPosition3D.hh.

    {
      R.rotate_back(__x, __z);

      return *this;
    }

JPosition3D& JGEOMETRY3D::JPosition3D::rotate_back ( const JRotation3Z &  R )

inlineinherited

Rotate back around Z-axis.

Parameters

R	rotation matrix

Returns

this position

Definition at line 284 of file JPosition3D.hh.

    {
      R.rotate_back(__x, __y);

      return *this;
    }

JPosition3D& JGEOMETRY3D::JPosition3D::rotate_back ( const JQuaternion3D &  Q )

inlineinherited

Rotate back.

Parameters

Q	quaternion

Returns

this position

Definition at line 312 of file JPosition3D.hh.

    {
      Q.rotate_back(__x, __y, __z);

      return *this;
    }

void JGEOMETRY3D::JPosition3D::transform ( const JRotation3D &  R, const JVector3D &  pos  )

inlineinherited

Transform position.

The final position is obtained as follows:

1. rotation of the position according matrix R;
2. offset position with pos;
3. rotation of position around z-axis, such that final position lies in x-z plane;

Parameters

R	rotation matrix
pos	position of origin (after rotation)

Definition at line 331 of file JPosition3D.hh.

    {
      // rotate geometry to system with particle direction along z-axis

      rotate(R);

      // offset with respect to origin

      sub(pos);

      // rotate geometry to x-z plane

      __x = sqrt(__x*__x + __y*__y);
      __y = 0.0;
    }

JVector3D& JGEOMETRY3D::JVector3D::transform ( const JMatrix3D &  T )

inlineinherited

Transform.

Parameters

T

matrix

Returns

this vector

Definition at line 206 of file JVector3D.hh.

    {
      T.transform(__x, __y, __z);

      return *this;
    }

void JGEOMETRY3D::JPosition3D::transform_back ( const JRotation3D &  R, const JVector3D &  pos  )

inlineinherited

Transform back position.

The final position is obtained as follows:

1. offset position with position pos;
2. rotation of postion according matrix R;

Parameters

R	rotation matrix
pos	position of origin (before rotation)

Definition at line 359 of file JPosition3D.hh.

    {
      // offset with respect to origin

      add(pos);

      // rotate back geometry to system with particle direction along z-axis

      rotate_back(R);
    }

JGEOMETRY3D::JVector3D::operator JVector2D ( ) const

inlineinherited

Type conversion operator.

Returns

JVector2D

Definition at line 83 of file JVector3D.hh.

    {
      return JVector2D(this->getX(), this->getY());
    }

double JGEOMETRY3D::JVector3D::getX ( ) const

inlineinherited

Get x position.

Returns

x position

Definition at line 94 of file JVector3D.hh.

    { 
      return __x;
    }

double JGEOMETRY3D::JVector3D::getY ( ) const

inlineinherited

Get y position.

Returns

y position

Definition at line 104 of file JVector3D.hh.

    { 
      return __y;
    }

bool JGEOMETRY3D::JVector3D::equals ( const JVector3D &  vector, const double  precision = std::numeric_limits<double>::min()  ) const

inlineinherited

Check equality.

Parameters

vector	vector
precision	precision

Returns

true if vectors are equal; else false

Definition at line 221 of file JVector3D.hh.

    {
      return (fabs(getX() - vector.getX()) <= precision &&
              fabs(getY() - vector.getY()) <= precision &&
              fabs(getZ() - vector.getZ()) <= precision);
    }

double JGEOMETRY3D::JVector3D::getLengthSquared ( ) const

inlineinherited

Get length squared.

Returns

square of length

Definition at line 235 of file JVector3D.hh.

    { 
      return getX()*getX() + getY()*getY() + getZ()*getZ();
    }

double JGEOMETRY3D::JVector3D::getLength ( ) const

inlineinherited

Get length.

Returns

length

Definition at line 246 of file JVector3D.hh.

    { 
      return sqrt(getLengthSquared());
    }

JVector3D& JGEOMETRY3D::JVector3D::getCross ( const JVector3D &  first, const JVector3D &  second  )

inlineinherited

Get cross product.

Note that this vector should not overlap with the first or second vector,

Parameters

first	first vector
second	second vector

Returns

this vector

Definition at line 299 of file JVector3D.hh.

    {
      __x = first .getY() * second.getZ()  -  second.getY() * first .getZ();
      __y = second.getX() * first .getZ()  -  first .getX() * second.getZ();
      __z = first .getX() * second.getY()  -  second.getX() * first .getY();

      return *this;
    }

const JVersor3Z& JGEOMETRY3D::JVersor3Z::getDirection ( ) const

inlineinherited

Get direction.

Returns

direction

Definition at line 81 of file JVersor3Z.hh.

    { 
      return static_cast<const JVersor3Z&>(*this);
    }

JVersor3Z& JGEOMETRY3D::JVersor3Z::getDirection ( )

inlineinherited

Get direction.

Returns

direction

Definition at line 92 of file JVersor3Z.hh.

    { 
      return static_cast<JVersor3Z&>(*this);
    }

void JGEOMETRY3D::JVersor3Z::setDirection ( const JVersor3Z &  direction )

inlineinherited

Set direction.

Parameters

direction

direction

Definition at line 103 of file JVersor3Z.hh.

    { 
      static_cast<JVersor3Z&>(*this) = direction;
    }

JGEOMETRY3D::JVersor3Z::operator JAngle3D ( ) const

inlineinherited

Get angle.

Returns

angle

Definition at line 114 of file JVersor3Z.hh.

    { 
      return JAngle3D(getDX(), getDY(), getDZ());
    }

JGEOMETRY3D::JVersor3Z::operator JVector3D ( ) const

inlineinherited

Type conversion operator.

Returns

position

Definition at line 125 of file JVersor3Z.hh.

    {
      return JVector3D(getDX(), getDY(), getDZ());
    }

JGEOMETRY3D::JVersor3Z::operator JVersor3D ( ) const

inlineinherited

Type conversion operator.

Returns

direction

Definition at line 136 of file JVersor3Z.hh.

    {
      return JVersor3D(getDX(), getDY(), getDZ());
    }

double JGEOMETRY3D::JVersor3Z::getDX ( ) const

inlineinherited

Get x direction.

Returns

x direction

Definition at line 147 of file JVersor3Z.hh.

    {
      return __dx;
    }

double JGEOMETRY3D::JVersor3Z::getDY ( ) const

inlineinherited

Get y direction.

Returns

y direction

Definition at line 158 of file JVersor3Z.hh.

    {
      return __dy;
    }

double JGEOMETRY3D::JVersor3Z::getDZ ( ) const

inlineinherited

Get z direction.

Returns

z direction

Definition at line 169 of file JVersor3Z.hh.

    {
      const double v = getDX()*getDX() + getDY()*getDY();

      if (v <= 1.0) 
        return sqrt(1.0 - v);
      else
        return 0.0;
    }

JVersor3Z& JGEOMETRY3D::JVersor3Z::add ( const JVersor3Z &  value )

inlineinherited

Addition operator.

Parameters

value

versor

Returns

this versor

Definition at line 200 of file JVersor3Z.hh.

    {
      __dx += value.getDX();
      __dy += value.getDY();

      return *this;
    }

JVersor3Z& JGEOMETRY3D::JVersor3Z::sub ( const JVersor3Z &  value )

inlineinherited

Subtraction operator.

Parameters

value

versor

Returns

this versor

Definition at line 215 of file JVersor3Z.hh.

    {
      __dx -= value.getDX();
      __dy -= value.getDY();

      return *this;
    }

template<class JFirst_t, class JSecond_t = JNullType>

JFirst_t& JMATH::JMath< JFirst_t, JSecond_t >::mul ( const JSecond_t &  object )

inlineinherited

Multiply with object.

Parameters

object

object

Returns

result object

Definition at line 354 of file JMath.hh.

    {
      return static_cast<JFirst_t&>(*this) = JFirst_t().mul(static_cast<const JFirst_t&>(*this), object);
    }

bool JGEOMETRY3D::JVersor3Z::equals ( const JVersor3D &  versor, const double  precision = std::numeric_limits<double>::min()  ) const

inlineinherited

Check equality.

Parameters

versor	versor
precision	precision

Returns

true if versors are equal; else false

Definition at line 261 of file JVersor3Z.hh.

    {
      return (fabs(getDX() - versor.getDX()) <= precision &&
              fabs(getDY() - versor.getDY()) <= precision);
    }

double JGEOMETRY3D::JVersor3Z::getDot ( const JVersor3Z &  dir ) const

inlineinherited

Get dot product.

Parameters

dir

direction

Returns

dot product

Definition at line 275 of file JVersor3Z.hh.

    {
      return
        getDX() * dir.getDX() + 
        getDY() * dir.getDY() +
        getDZ() * dir.getDZ();
    }

double JGEOMETRY3D::JVersor3Z::getDot ( const JAngle3D &  angle ) const

inlineinherited

Get dot product.

Parameters

angle

angle

Returns

dot product

Definition at line 290 of file JVersor3Z.hh.

    {
      return
        getDX() * angle.getDX() + 
        getDY() * angle.getDY() +
        getDZ() * angle.getDZ();
    }

double JGEOMETRY3D::JVersor3Z::getDot ( const JVector3D &  pos ) const

inlineinherited

Get dot product.

Parameters

pos

position

Returns

dot product

Definition at line 305 of file JVersor3Z.hh.

    {
      return
        getDX() * pos.getX() + 
        getDY() * pos.getY() +
        getDZ() * pos.getZ();
    }

double JGEOMETRY3D::JVersor3Z::getDot ( const JVersor3D &  dir ) const

inlineinherited

Get dot product.

Parameters

dir

direction

Returns

dot product

Definition at line 320 of file JVersor3Z.hh.

    {
      return
        getDX() * dir.getDX() + 
        getDY() * dir.getDY() +
        getDZ() * dir.getDZ();
    }

template<class JFirst_t, class JSecond_t = JNullType>

JFirst_t& JMATH::JMath< JFirst_t, JSecond_t >::mul ( const JSecond_t &  object )

inlineinherited

Multiply with object.

Parameters

object

object

Returns

result object

Definition at line 354 of file JMath.hh.

    {
      return static_cast<JFirst_t&>(*this) = JFirst_t().mul(static_cast<const JFirst_t&>(*this), object);
    }

Friends And Related Function Documentation

std::istream& operator>> ( std::istream &  in, JLine3Z &  object  )

friend

Read object from input.

Parameters

in	input stream
object	object

Returns

input stream

Definition at line 291 of file JLine3Z.hh.

    {
      in >> static_cast<JLine1Z&>  (object);
      in >> static_cast<JVersor3Z&>(object);

      return in;
    }

std::ostream& operator<< ( std::ostream &  out, const JLine3Z &  object  )

friend

Write object to output.

Parameters

out	output stream
object	object

Returns

output stream

Definition at line 307 of file JLine3Z.hh.

    {
      out << static_cast<const JLine1Z&>  (object);
      out << ' ';
      out << static_cast<const JVersor3Z&>(object);

      return out;
    }

Member Data Documentation

double JGEOMETRY3D::JVector3D::__x

protectedinherited

Definition at line 310 of file JVector3D.hh.

double JGEOMETRY3D::JVector3D::__y

protectedinherited

Definition at line 311 of file JVector3D.hh.

double JGEOMETRY3D::JVector3D::__z

protectedinherited

Definition at line 312 of file JVector3D.hh.

double JGEOMETRY3D::JTime::__t

protectedinherited

Definition at line 191 of file JGeometry3D/JTime.hh.

double JGEOMETRY3D::JVersor3Z::__dx

protectedinherited

Definition at line 383 of file JVersor3Z.hh.

double JGEOMETRY3D::JVersor3Z::__dy

protectedinherited

Definition at line 384 of file JVersor3Z.hh.

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

• JLine3Z.hh