mlsSphereFitDer.h

/*
 This Source Code Form is subject to the terms of the Mozilla Public
 License, v. 2.0. If a copy of the MPL was not distributed with this
 file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
 
#pragma once
 
#include "./defines.h"
 
namespace Ponca
{
 
template < class DataPoint, class _NFilter, int DiffType, typename T>
class MlsSphereFitDer : public T
{
PONCA_FITTING_DECLARE_DEFAULT_TYPES
PONCA_FITTING_DECLARE_DEFAULT_DER_TYPES
 
protected:
    enum
    {
        Check = Base::PROVIDES_PRIMITIVE_DERIVATIVE & Base::PROVIDES_ALGEBRAIC_SPHERE_DERIVATIVE,
        PROVIDES_NORMAL_DERIVATIVE
    };
 
    enum
    {
        Dim     = DataPoint::Dim,       
        DerDim  = Base::NbDerivatives   
    };
 
public:
    typedef Eigen::Matrix< Scalar, DerDim, DerDim > Matrix;
 
    typedef Eigen::Matrix< Scalar, DerDim, Dim*DerDim > MatrixArray;
 
protected:
    // computation data
    Matrix m_d2SumDotPN,  
           m_d2SumDotPP,  
           m_d2SumW;      
    MatrixArray m_d2SumP, 
                m_d2SumN; 
public:
    // results
    Matrix m_d2Uc,      
           m_d2Uq;      
    MatrixArray m_d2Ul; 
public:
    PONCA_EXPLICIT_CAST_OPERATORS_DER(MlsSphereFitDer,mlsSphereFitDer)
 
    PONCA_FITTING_DECLARE_INIT_ADDDER_FINALIZE
 
    PONCA_MULTIARCH [[nodiscard]] inline ScalarArray dPotential() const;
 
    PONCA_MULTIARCH [[nodiscard]] inline VectorType primitiveGradient() const;
 
    PONCA_MULTIARCH [[nodiscard]] inline VectorArray dNormal() const;
 
}; //class MlsSphereFitDer
 
#include "mlsSphereFitDer.hpp"
 
} //namespace Ponca