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

#include <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
	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
void	clear ()
	set all entries to zero
QuadricT< Scalar > &	operator+= (const QuadricT< Scalar > &_q)
	add quadrics
QuadricT< Scalar > &	operator*= (Scalar _s)
	multiply by scalar
VectorT< Scalar, 4 >	operator* (const VectorT< Scalar, 4 > &_v) const
	multiply 4D vector from right: Q*v
Scalar	operator() (const VectorT< Scalar, 3 > _v) const
	evaluate quadric Q at vector v: v*Q*v
Scalar	operator() (const VectorT< Scalar, 4 > _v) const
	evaluate quadric Q at 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 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 86 of file QuadricT.hh.

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

• ACG/Geometry/Types/QuadricT.hh