/class QuadricT Geometry/QuadricT.hh More...

#include <OpenMesh/Core/Geometry/QuadricT.hh>

Public Types
typedef Scalar	value_type

typedef QuadricT< Scalar >	type

typedef QuadricT< Scalar >	Self

Public Member Functions
	QuadricT (Scalar _a, Scalar _b, Scalar _c, Scalar _d, Scalar _e, Scalar _f, Scalar _g, Scalar _h, Scalar _i, Scalar _j)
	construct with upper triangle of symmetrix 4x4 matrix

	QuadricT (Scalar _a=0.0, Scalar _b=0.0, Scalar _c=0.0, Scalar _d=0.0)
	constructor from given plane equation: ax+by+cz+d_=0

template<class _Point >
	QuadricT (const _Point &_pt)

template<class _Normal , class _Point >
	QuadricT (const _Normal &_n, const _Point &_p)

void	set (Scalar _a, Scalar _b, Scalar _c, Scalar _d, Scalar _e, Scalar _f, Scalar _g, Scalar _h, Scalar _i, Scalar _j)

template<class _Point >
void	set_distance_to_point (const _Point &_pt)

void	set_distance_to_plane (Scalar _a, Scalar _b, Scalar _c, Scalar _d)

template<class _Normal , class _Point >
void	set_distance_to_plane (const _Normal &_n, const _Point &_p)

void	clear ()
	set all entries to zero

QuadricT< Scalar > &	operator+= (const QuadricT< Scalar > &_q)
	add quadrics

QuadricT< Scalar >	operator+ (const QuadricT< Scalar > &_other) const

QuadricT< Scalar > &	*operator=** (Scalar _s)
	multiply by scalar

QuadricT< Scalar >	operator* (Scalar _s) const

template<class _Vec4 >
_Vec4	operator* (const _Vec4 &_v) const
	multiply 4D vector from right: Q*v

template<class _Vec >
Scalar	operator() (const _Vec &_v) const
	evaluate quadric Q at (3D or 4D) vector v: vQv

Scalar	a () const

Scalar	b () const

Scalar	c () const

Scalar	d () const

Scalar	e () const

Scalar	f () const

Scalar	g () const

Scalar	h () const

Scalar	i () const

Scalar	j () const

Scalar	xx () const

Scalar	xy () const

Scalar	xz () const

Scalar	xw () const

Scalar	yy () const

Scalar	yz () const

Scalar	yw () const

Scalar	zz () const

Scalar	zw () const

Scalar	ww () const

Protected Member Functions
template<class _Vec3 >
Scalar	evaluate (const _Vec3 &_v, GenProg::Int2Type< 3 >) const
	evaluate quadric Q at 3D vector v: vQv

template<class _Vec4 >
Scalar	evaluate (const _Vec4 &_v, GenProg::Int2Type< 4 >) const
	evaluate quadric Q at 4D vector v: vQv

Detailed Description

template<class Scalar>
class OpenMesh::Geometry::QuadricT< Scalar >

/class QuadricT Geometry/QuadricT.hh

Stores a quadric as a 4x4 symmetrix matrix. Used by the error quadric based mesh decimation algorithms.

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

OpenMesh/Core/Geometry/QuadricT.hh

Public Types

Public Member Functions

Protected Member Functions

Detailed Description