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

/class QuadricT QuadricT.hh <OSG/Geometry/Types/QuadricT.hh> More...

#include <QuadricT.hh>

List of all members.

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
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
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

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Detailed Description

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

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

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

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

• Tools/Geometry/QuadricT.hh

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