lc::geo::Circle Class Reference

#include <geocircle.h>

Inheritance diagram for lc::geo::Circle:

Collaboration diagram for lc::geo::Circle:

Public Member Functions
	Circle (const Coordinate &center, double radius)
const Coordinate	center () const
	Returns the Center of circle. More...
double	radius () const
	returns the radius of the circle. More...
Coordinate	nearestPointOnPath (const Coordinate &coord) const
	returns the nearest Point On Path More...
Coordinate	nearestPointOnEntity (const Coordinate &coord) const
const maths::Equation	equation () const
	Returns equation of the circle. More...
virtual void	accept (GeoEntityVisitor &v) const override
virtual std::vector< Coordinate >	lineTangentPointsOnEntity (const lc::geo::Coordinate &extPoint) override
	Give line tangent points on entity. More...
Public Member Functions inherited from lc::geo::Base
virtual	~Base ()=default
Public Member Functions inherited from lc::Visitable
virtual	~Visitable ()=default

Private Attributes
const Coordinate	_center
	center of cirlce More...
const double	_radius
	Radius of circle. More...

Friends
std::ostream &	operator<< (std::ostream &os, const Circle &c)

Detailed Description

Definition at line 12 of file geocircle.h.

Constructor & Destructor Documentation

Circle::Circle	(	const Coordinate &	center,
		double	radius
	)

Definition at line 7 of file geocircle.cpp.

                                                      : Base(), _center(center), _radius(radius) {
    if (radius < 0.0) {
        throw "Invalid radius";
    }

}

Member Function Documentation

virtual void lc::geo::Circle::accept ( GeoEntityVisitor &  v ) const

inlineoverridevirtual

Implements lc::Visitable.

Reimplemented in lc::entity::Circle.

Definition at line 44 of file geocircle.h.

{ v.visit(*this); }

const Coordinate Circle::center

(

)

const

Returns the Center of circle.

Returns

lc::geo::Coordinate Center.

Definition at line 14 of file geocircle.cpp.

                                      {
    return _center;
}

const maths::Equation lc::geo::Circle::equation ( ) const

inline

Returns equation of the circle.

Returns

Equation

Definition at line 40 of file geocircle.h.

                                                     {
                    return maths::Equation(1., 0.,1., 0., 0., -_radius* _radius).move(_center);
                }

std::vector< Coordinate > Circle::lineTangentPointsOnEntity ( const lc::geo::Coordinate &  extPoint )

overridevirtual

Give line tangent points on entity.

Parameters

extPoint

First point of line tangent

Returns

Vector of tangent end points

Implements Tangentable.

Definition at line 29 of file geocircle.cpp.

                                                                                       {
    double distance = extPoint.distanceTo(center());
    double tangentLength = sqrt(distance * distance - _radius * _radius);

    geo::Circle intersectionCircle(extPoint, tangentLength);
    Intersect intersect(Intersect::OnEntity, LCTOLERANCE);
    intersect(*this, intersectionCircle);
    return intersect.result();
}

Coordinate Circle::nearestPointOnEntity

(

const Coordinate &

coord

)

const

Definition at line 25 of file geocircle.cpp.

                                                                     {
    return _center + Coordinate((coord - _center).angle()) * _radius;
}

Coordinate Circle::nearestPointOnPath

(

const Coordinate &

coord

)

const

returns the nearest Point On Path

Parameters

lc::geo::Coordinate

coord

Returns

lc::geo::Coordinate

Definition at line 22 of file geocircle.cpp.

                                                                   {
    return _center + Coordinate((coord - _center).angle()) * _radius;
}

double Circle::radius

(

)

const

returns the radius of the circle.

Returns

Double radius.

Definition at line 17 of file geocircle.cpp.

                            {
    return _radius;
}

Friends And Related Function Documentation

std::ostream& operator<< ( std::ostream &  os, const Circle &  c  )

friend

Definition at line 49 of file geocircle.h.

                                                                               {
                    os << "Circle(center=" << c._center << " radius" << c._radius << ")";
                    return os;
                }

Member Data Documentation

const Coordinate lc::geo::Circle::_center

private

center of cirlce

Definition at line 54 of file geocircle.h.

const double lc::geo::Circle::_radius

private

Radius of circle.

Definition at line 55 of file geocircle.h.

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

• lckernel/cad/geometry/geocircle.h
• lckernel/cad/geometry/geocircle.cpp