OpenMesh::Geometry::QuadricT< Scalar > Class Template Reference

#include <libs_required/OpenMesh/src/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*= (Scalar _s)
	multiply by scalar
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: v*Q*v
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: v*Q*v
template<class _Vec4 >
Scalar	evaluate (const _Vec4 &_v, GenProg::Int2Type< 4 >) const
	evaluate quadric Q at 4D vector v: v*Q*v

Private Attributes
Scalar	a_
Scalar	b_
Scalar	c_
Scalar	d_
Scalar	e_
Scalar	f_
Scalar	g_
Scalar	h_
Scalar	i_
Scalar	j_

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.

Definition at line 87 of file QuadricT.hh.

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

• libs_required/OpenMesh/src/OpenMesh/Core/Geometry/QuadricT.hh