MRBestFitQuadric.h

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#pragma once
#include "MRMeshEigen.h"
#include "MRAffineXf3.h"
 
namespace MR
{
 
class QuadricApprox
{
public:
    MRMESH_API QuadricApprox();
 
    MRMESH_API void addPoint( const Vector3d& point, double weight = 1.0 );
 
    MRMESH_API Eigen::Matrix<double, 6, 1> calcBestCoefficients() const;
 
    MRMESH_API static Vector3d findZeroProjection( const Eigen::Matrix<double, 6, 1>& coefs );
private:
    Eigen::Matrix<double, 6, 6> accumA_;
    Eigen::Matrix<double, 6, 1> accumB_;
};
 
}