Slic3r::Geometry::CircleSq< Vector > Struct Template Reference

#include <src/libslic3r/Geometry/Circle.hpp>

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Public Types
using	Scalar = typename Vector::Scalar

Public Member Functions
	CircleSq ()
	CircleSq (const Vector &center, const Scalar radius2)
	CircleSq (const Vector &a, const Vector &b)
	CircleSq (const Vector &a, const Vector &b, const Vector &c, Scalar epsilon)
bool	invalid () const
bool	valid () const
bool	contains (const Vector &p) const
bool	contains (const Vector &p, const Scalar epsilon2) const
CircleSq	inflated (Scalar epsilon) const

Static Public Member Functions
static CircleSq	make_invalid ()

Public Attributes
Vector	center
Scalar	radius2

Detailed Description

template<typename Vector>
struct Slic3r::Geometry::CircleSq< Vector >

Member Typedef Documentation

Scalar

template<typename Vector >

using Slic3r::Geometry::CircleSq< Vector >::Scalar = typename Vector::Scalar

Constructor & Destructor Documentation

CircleSq() [1/4]

template<typename Vector >

Slic3r::Geometry::CircleSq< Vector >::CircleSq ( )

inline

{}

CircleSq() [2/4]

template<typename Vector >

Slic3r::Geometry::CircleSq< Vector >::CircleSq ( const Vector &  center, const Scalar  radius2  )

inline

: center(center), radius2(radius2) {}

CircleSq() [3/4]

template<typename Vector >

Slic3r::Geometry::CircleSq< Vector >::CircleSq ( const Vector &  a, const Vector &  b  )

inline

: center(Scalar(0.5) * (a + b)) { radius2 = (a - center).squaredNorm(); }

References Slic3r::Geometry::CircleSq< Vector >::center, and Slic3r::Geometry::CircleSq< Vector >::radius2.

CircleSq() [4/4]

template<typename Vector >

Slic3r::Geometry::CircleSq< Vector >::CircleSq ( const Vector &  a, const Vector &  b, const Vector &  c, Scalar  epsilon  )

inline

                                                                                {
        this->center = circle_center(a, b, c, epsilon);
    this->radius2 = (a - this->center).squaredNorm();
    }

References Slic3r::Geometry::CircleSq< Vector >::center, and Slic3r::Geometry::circle_center().

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Member Function Documentation

contains() [1/2]

template<typename Vector >

bool Slic3r::Geometry::CircleSq< Vector >::contains ( const Vector &  p ) const

inline

{ return (p - this->center).squaredNorm() < this->radius2; }

References Slic3r::Geometry::CircleSq< Vector >::radius2.

Referenced by Slic3r::Geometry::smallest_enclosing_circle2_welzl().

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contains() [2/2]

template<typename Vector >

bool Slic3r::Geometry::CircleSq< Vector >::contains ( const Vector &  p, const Scalar  epsilon2  ) const

inline

{ return (p - this->center).squaredNorm() < this->radius2 + epsilon2; }

inflated()

template<typename Vector >

CircleSq Slic3r::Geometry::CircleSq< Vector >::inflated ( Scalar  epsilon ) const

inline

      { assert(this->radius2 >= 0); Scalar r = sqrt(this->radius2) + epsilon; return { this->center, r * r }; }

References Slic3r::Geometry::CircleSq< Vector >::center, and sqrt().

Referenced by Slic3r::Geometry::smallest_enclosing_circle2_welzl().

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invalid()

template<typename Vector >

bool Slic3r::Geometry::CircleSq< Vector >::invalid ( ) const

inline

{ return this->radius2 < 0; }

Referenced by Slic3r::Geometry::CircleSq< Vector >::valid().

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make_invalid()

template<typename Vector >

static CircleSq Slic3r::Geometry::CircleSq< Vector >::make_invalid ( )

inlinestatic

{ return CircleSq { { 0, 0 }, -1 }; }

valid()

template<typename Vector >

bool Slic3r::Geometry::CircleSq< Vector >::valid ( ) const

inline

{ return ! this->invalid(); }

References Slic3r::Geometry::CircleSq< Vector >::invalid().

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Member Data Documentation

center

template<typename Vector >

Vector Slic3r::Geometry::CircleSq< Vector >::center

Referenced by Slic3r::Geometry::CircleSq< Vector >::CircleSq(), Slic3r::Geometry::CircleSq< Vector >::CircleSq(), Slic3r::Geometry::CircleSq< Vector >::inflated(), and Slic3r::Geometry::smallest_enclosing_circle2_welzl().

radius2

template<typename Vector >

Scalar Slic3r::Geometry::CircleSq< Vector >::radius2

Referenced by Slic3r::Geometry::CircleSq< Vector >::CircleSq(), Slic3r::Geometry::CircleSq< Vector >::contains(), and Slic3r::Geometry::smallest_enclosing_circle2_welzl().

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

• src/libslic3r/Geometry/Circle.hpp