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

#include <OpenFlipper/libs_required/ACG/Geometry/Types/QuadricT.hh>

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 More...
	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 More...
void	clear ()
	set all entries to zero More...
QuadricT< Scalar > &	operator+= (const QuadricT< Scalar > &_q)
	add quadrics More...
QuadricT< Scalar > &	operator*= (Scalar _s)
	multiply by scalar More...
VectorT< Scalar, 4 >	operator* (const VectorT< Scalar, 4 > &_v) const
	multiply 4D vector from right: Q*v More...
Scalar	operator() (const VectorT< Scalar, 3 > _v) const
	evaluate quadric Q at vector v: v*Q*v More...
Scalar	operator() (const VectorT< Scalar, 4 > _v) const
	evaluate quadric Q at vector v: v*Q*v More...

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 ACG::Geometry::QuadricT< Scalar >

/class QuadricT QuadricT.hh <ACG/Geometry/Types/QuadricT.hh>

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

Definition at line 77 of file QuadricT.hh.

Constructor & Destructor Documentation

QuadricT() [1/2]

template<class Scalar >

ACG::Geometry::QuadricT< Scalar >::QuadricT ( Scalar  _a, Scalar  _b, Scalar  _c, Scalar  _d, Scalar  _e, Scalar  _f, Scalar  _g, Scalar  _h, Scalar  _i, Scalar  _j  )

inline

construct with upper triangle of symmetrix 4x4 matrix

Definition at line 83 of file QuadricT.hh.

QuadricT() [2/2]

template<class Scalar >

ACG::Geometry::QuadricT< Scalar >::QuadricT ( Scalar  _a = 0.0, Scalar  _b = 0.0, Scalar  _c = 0.0, Scalar  _d = 0.0  )

inline

constructor from given plane equation: ax+by+cz+d=0

Definition at line 95 of file QuadricT.hh.

Member Function Documentation

clear()

template<class Scalar >

void ACG::Geometry::QuadricT< Scalar >::clear ( )

inline

set all entries to zero

Definition at line 104 of file QuadricT.hh.

operator()() [1/2]

template<class Scalar >

Scalar ACG::Geometry::QuadricT< Scalar >::operator() ( const VectorT< Scalar, 3 >  _v ) const

inline

evaluate quadric Q at vector v: v*Q*v

Definition at line 140 of file QuadricT.hh.

operator()() [2/2]

template<class Scalar >

Scalar ACG::Geometry::QuadricT< Scalar >::operator() ( const VectorT< Scalar, 4 >  _v ) const

inline

evaluate quadric Q at vector v: v*Q*v

Definition at line 151 of file QuadricT.hh.

operator*()

template<class Scalar >

VectorT< Scalar, 4 > ACG::Geometry::QuadricT< Scalar >::operator* ( const VectorT< Scalar, 4 > &  _v ) const

inline

multiply 4D vector from right: Q*v

Definition at line 130 of file QuadricT.hh.

operator*=()

template<class Scalar >

QuadricT< Scalar > & ACG::Geometry::QuadricT< Scalar >::operator*= ( Scalar  _s )

inline

multiply by scalar

Definition at line 119 of file QuadricT.hh.

operator+=()

template<class Scalar >

QuadricT< Scalar > & ACG::Geometry::QuadricT< Scalar >::operator+= ( const QuadricT< Scalar > &  _q )

inline

add quadrics

Definition at line 108 of file QuadricT.hh.

Member Data Documentation

a

template<class Scalar >

Scalar ACG::Geometry::QuadricT< Scalar >::a

private

Definition at line 163 of file QuadricT.hh.

b

template<class Scalar >

Scalar ACG::Geometry::QuadricT< Scalar >::b

private

Definition at line 163 of file QuadricT.hh.

c

template<class Scalar >

Scalar ACG::Geometry::QuadricT< Scalar >::c

private

Definition at line 163 of file QuadricT.hh.

d

template<class Scalar >

Scalar ACG::Geometry::QuadricT< Scalar >::d

private

Definition at line 163 of file QuadricT.hh.

e

template<class Scalar >

Scalar ACG::Geometry::QuadricT< Scalar >::e

private

Definition at line 164 of file QuadricT.hh.

f

template<class Scalar >

Scalar ACG::Geometry::QuadricT< Scalar >::f

private

Definition at line 164 of file QuadricT.hh.

g

template<class Scalar >

Scalar ACG::Geometry::QuadricT< Scalar >::g

private

Definition at line 164 of file QuadricT.hh.

h

template<class Scalar >

Scalar ACG::Geometry::QuadricT< Scalar >::h

private

Definition at line 165 of file QuadricT.hh.

i

template<class Scalar >

Scalar ACG::Geometry::QuadricT< Scalar >::i

private

Definition at line 165 of file QuadricT.hh.

j

template<class Scalar >

Scalar ACG::Geometry::QuadricT< Scalar >::j

private

Definition at line 166 of file QuadricT.hh.

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

• OpenFlipper/libs_required/ACG/Geometry/Types/QuadricT.hh