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Ray Class Reference

GeomObject that is a base for directed rays, implementing a straight line. More...

#include <Ray.h>

Inheritance diagram for Ray:

List of all members.

Public Methods
	Ray ( const Point& p, const Vector& d )
	Ray ( const Ray& r )
virtual Point	position ( double s ) const
	return position along ray. More...
const Point&	position () const
	position at start of ray. More...
virtual Vector	direction ( double ) const
	return direction along ray. More...
const Vector&	direction () const
	direction at start of ray. More...
GeomObject&	transform ( const CoordTransform & )
	transform the Ray to a new system. More...
virtual double	curvature (double =0) const
	allows polymorphic test to check local curvature. More...
virtual double	step () const
	used by Intersection::distance to step along rays searching for surface crossings. More...
double	getArcLength () const
void	setArcLength ( double s )
void	setFlag ( int k )
int	getFlag () const
void	addArcLength ( double ds )
virtual double	distanceOfClosestApproach (const Ray& r) const
	useful for vertexing between this Ray and another. More...
virtual Vector	vectorOfClosestApproach (const Ray& r) const
const char*	nameOf () const
	makes name available to subclasses using the type info facility. More...
virtual void	printOn ( std::ostream& os = std::cout ) const
	print info about this object. More...
Protected Attributes
Point	pos
Vector	dir
float	arclength
int	flag

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Detailed Description

GeomObject that is a base for directed rays, implementing a straight line.

Definition at line 9 of file Ray.h.

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Constructor & Destructor Documentation

Ray::Ray ( const Point & p, const Vector & d )

Definition at line 5 of file Ray.cxx.

Ray::Ray ( const Ray & r )

Definition at line 10 of file Ray.cxx.

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Member Function Documentation

void Ray::addArcLength ( double ds ) [inline]

Definition at line 39 of file Ray.h.

double Ray::curvature ( double = 0 ) const [inline, virtual]

allows polymorphic test to check local curvature. Reimplemented in Helix. Definition at line 30 of file Ray.h. Referenced by Intersection::distance().

const Vector & Ray::direction ( ) const [inline]

direction at start of ray. Definition at line 24 of file Ray.h. Referenced by distanceOfClosestApproach(), Helix::printOn(), and vectorOfClosestApproach().

Vector Ray::direction ( double step ) const [inline, virtual]

return direction along ray. Reimplemented in Helix. Definition at line 22 of file Ray.h. Referenced by Track::direction(), and Intersection::distance().

double Ray::distanceOfClosestApproach ( const Ray & r ) const [virtual]

useful for vertexing between this Ray and another. Definition at line 42 of file Ray.cxx.

double Ray::getArcLength ( ) const [inline]

Definition at line 35 of file Ray.h. Referenced by Track::Track(), Track::addSegment(), and Track::findSegment().

int Ray::getFlag ( ) const [inline]

Definition at line 38 of file Ray.h.

const char * Ray::nameOf ( ) const [inline, virtual]

makes name available to subclasses using the type info facility. Reimplemented from GeomObject. Reimplemented in Helix. Definition at line 46 of file Ray.h.

const Point & Ray::position ( ) const [inline]

position at start of ray. Definition at line 19 of file Ray.h. Referenced by distanceOfClosestApproach(), Volume::distanceToEnter(), Volume::distanceToLeave(), Helix::printOn(), and vectorOfClosestApproach().

Point Ray::position ( double step ) const [virtual]

return position along ray. Reimplemented in Helix. Definition at line 17 of file Ray.cxx. Referenced by Intersection::distance(), and Track::position().

void Ray::printOn ( std::ostream & os = std::cout ) const [virtual]

print info about this object. Reimplemented from GeomObject. Reimplemented in Helix. Definition at line 27 of file Ray.cxx.

void Ray::setArcLength ( double s ) [inline]

Definition at line 36 of file Ray.h.

void Ray::setFlag ( int k ) [inline]

Definition at line 37 of file Ray.h.

double Ray::step ( ) const [inline, virtual]

used by Intersection::distance to step along rays searching for surface crossings. Reimplemented in Helix. Definition at line 33 of file Ray.h.

GeomObject & Ray::transform ( const CoordTransform & T ) [virtual]

transform the Ray to a new system. Reimplemented from GeomObject. Reimplemented in Helix. Definition at line 34 of file Ray.cxx. Referenced by Helix::transform().

Vector Ray::vectorOfClosestApproach ( const Ray & r ) const [virtual]

Definition at line 50 of file Ray.cxx.

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Member Data Documentation

float Ray::arclength [protected]

Definition at line 53 of file Ray.h.

Vector Ray::dir [protected]

Definition at line 52 of file Ray.h.

int Ray::flag [protected]

Definition at line 54 of file Ray.h.

Point Ray::pos [protected]

Definition at line 51 of file Ray.h.

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

• Ray.h
• Ray.cxx

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