A quadric as a symmetric 4x4 matrix. Used by the error quadric mesh decimation algorithms. More...

Public Member Functions
	Quadric (double a, double b, double c, double d, double e, double f, double g, double h, double i, double j)
	construct quadric from upper triangle of symmetric 4x4 matrix

	Quadric (double a=0.0, double b=0.0, double c=0.0, double d=0.0)
	constructor quadric from given plane equation: ax+by+cz+d=0

	Quadric (const vec3 &n, const vec3 &p)
	construct from point and normal specifying a plane

void	clear ()
	set all matrix entries to zero

Quadric &	operator+= (const Quadric &q)
	add given quadric to this quadric

Quadric &	*operator=** (double s)
	multiply quadric by a scalar

double	operator() (const vec3 &p) const
	evaluate quadric Q at position p by computing (p^T * Q * p)

Detailed Description

A quadric as a symmetric 4x4 matrix. Used by the error quadric mesh decimation algorithms.

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

Public Member Functions