DGtal::ImplicitBall< TSpace > Class Template Reference

Aim: model of CEuclideanOrientedShape and CEuclideanBoundedShape concepts to create a ball in nD.. More...

#include <DGtal/shapes/implicit/ImplicitBall.h>

Public Types
typedef ImplicitBall< TSpace >	Self
typedef TSpace	Space
typedef Space::RealPoint	RealPoint
typedef Space::Integer	Integer
typedef double	Value

Public Member Functions
	ImplicitBall (const RealPoint &aCenter, const double &aRadius)
	~ImplicitBall ()
Value	operator() (const RealPoint &aPoint) const
Orientation	orientation (const RealPoint &aPoint) const
RealPoint	getLowerBound () const
RealPoint	getUpperBound () const
RealPoint	center () const
void	moveTo (const RealPoint &newCenter)
void	selfDisplay (std::ostream &out) const
bool	isValid () const

Protected Member Functions
	ImplicitBall ()

Private Member Functions
ImplicitBall &	operator= (const ImplicitBall &other)

Private Attributes
RealPoint	myCenter
	Ball center. More...
double	myRadius
	Ball Radius. More...

Detailed Description

template<typename TSpace>
class DGtal::ImplicitBall< TSpace >

Aim: model of CEuclideanOrientedShape and CEuclideanBoundedShape concepts to create a ball in nD..

Description of template class 'ImplicitBall'

Model of CImplicitFunction

Template Parameters

TSpace

the Digital space definition.

Definition at line 64 of file ImplicitBall.h.

Member Typedef Documentation

Integer

template<typename TSpace >

typedef Space::Integer DGtal::ImplicitBall< TSpace >::Integer

Definition at line 71 of file ImplicitBall.h.

RealPoint

template<typename TSpace >

typedef Space::RealPoint DGtal::ImplicitBall< TSpace >::RealPoint

Definition at line 70 of file ImplicitBall.h.

Self

template<typename TSpace >

typedef ImplicitBall<TSpace> DGtal::ImplicitBall< TSpace >::Self

Definition at line 68 of file ImplicitBall.h.

Space

template<typename TSpace >

typedef TSpace DGtal::ImplicitBall< TSpace >::Space

Definition at line 69 of file ImplicitBall.h.

Value

template<typename TSpace >

typedef double DGtal::ImplicitBall< TSpace >::Value

Definition at line 72 of file ImplicitBall.h.

Constructor & Destructor Documentation

ImplicitBall() [1/2]

template<typename TSpace >

DGtal::ImplicitBall< TSpace >::ImplicitBall ( const RealPoint &  aCenter, const double &  aRadius  )

inline

Constructor. Contructs a ball with center aCenter and radius aRadius.

Parameters

aCenter	the ball center.
aRadius	the ball radius.

Definition at line 81 of file ImplicitBall.h.

                                                                 : myCenter(aCenter),
                myRadius(aRadius)
    {};

~ImplicitBall()

template<typename TSpace >

DGtal::ImplicitBall< TSpace >::~ImplicitBall

(

)

Destructor.

ImplicitBall() [2/2]

template<typename TSpace >

DGtal::ImplicitBall< TSpace >::ImplicitBall ( )

protected

Constructor. Forbidden by default (protected to avoid g++ warnings).

Member Function Documentation

center()

template<typename TSpace >

RealPoint DGtal::ImplicitBall< TSpace >::center ( ) const

inline

Returns

the center of the star-shaped object.

Definition at line 128 of file ImplicitBall.h.

    {
      return myCenter;
    }

References DGtal::ImplicitBall< TSpace >::myCenter.

getLowerBound()

template<typename TSpace >

RealPoint DGtal::ImplicitBall< TSpace >::getLowerBound ( ) const

inline

Definition at line 114 of file ImplicitBall.h.

    {
      return (myCenter - RealPoint::diagonal(myRadius));
    }

References DGtal::PointVector< dim, TEuclideanRing, TContainer >::diagonal(), DGtal::ImplicitBall< TSpace >::myCenter, and DGtal::ImplicitBall< TSpace >::myRadius.

getUpperBound()

template<typename TSpace >

RealPoint DGtal::ImplicitBall< TSpace >::getUpperBound ( ) const

inline

Definition at line 120 of file ImplicitBall.h.

    {
      return (myCenter + RealPoint::diagonal(myRadius));
    }

References DGtal::PointVector< dim, TEuclideanRing, TContainer >::diagonal(), DGtal::ImplicitBall< TSpace >::myCenter, and DGtal::ImplicitBall< TSpace >::myRadius.

isValid()

template<typename TSpace >

bool DGtal::ImplicitBall< TSpace >::isValid

(

)

const

Checks the validity/consistency of the object.

Returns

'true' if the object is valid, 'false' otherwise.

moveTo()

template<typename TSpace >

void DGtal::ImplicitBall< TSpace >::moveTo ( const RealPoint &  newCenter )

inline

Modify the shape center

Parameters

newCenter

the new center position

Definition at line 138 of file ImplicitBall.h.

    {
      myCenter = newCenter;
    }

References DGtal::ImplicitBall< TSpace >::myCenter.

operator()()

template<typename TSpace >

Value DGtal::ImplicitBall< TSpace >::operator() ( const RealPoint &  aPoint ) const

inline

Definition at line 96 of file ImplicitBall.h.

    {
        return myRadius - (aPoint - myCenter ).norm();
    }

References aPoint(), DGtal::ImplicitBall< TSpace >::myCenter, and DGtal::ImplicitBall< TSpace >::myRadius.

operator=()

template<typename TSpace >

ImplicitBall& DGtal::ImplicitBall< TSpace >::operator= ( const ImplicitBall< TSpace > &  other )

private

Assignment.

Parameters

other

the object to copy.

Returns

a reference on 'this'. Forbidden by default.

orientation()

template<typename TSpace >

Orientation DGtal::ImplicitBall< TSpace >::orientation ( const RealPoint &  aPoint ) const

inline

Definition at line 102 of file ImplicitBall.h.

    {
      if (this->operator()(aPoint) > 0.0)
        return INSIDE;
      else
        if (this->operator()(aPoint) < 0.0)
          return OUTSIDE;
        else
          return ON;
    }

References DGtal::INSIDE, DGtal::ON, and DGtal::OUTSIDE.

selfDisplay()

template<typename TSpace >

void DGtal::ImplicitBall< TSpace >::selfDisplay

(

std::ostream &

out

)

const

Writes/Displays the object on an output stream.

Parameters

out	the output stream where the object is written.

Field Documentation

myCenter

template<typename TSpace >

RealPoint DGtal::ImplicitBall< TSpace >::myCenter

private

Ball center.

Definition at line 164 of file ImplicitBall.h.

Referenced by DGtal::ImplicitBall< TSpace >::center(), DGtal::ImplicitBall< TSpace >::getLowerBound(), DGtal::ImplicitBall< TSpace >::getUpperBound(), DGtal::ImplicitBall< TSpace >::moveTo(), and DGtal::ImplicitBall< TSpace >::operator()().

myRadius

template<typename TSpace >

double DGtal::ImplicitBall< TSpace >::myRadius

private

Ball Radius.

Definition at line 167 of file ImplicitBall.h.

Referenced by DGtal::ImplicitBall< TSpace >::getLowerBound(), DGtal::ImplicitBall< TSpace >::getUpperBound(), and DGtal::ImplicitBall< TSpace >::operator()().

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

• ImplicitBall.h