2d/vectorfield.hh

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/* -*- mia-c++  -*-
 *
 * This file is part of MIA - a toolbox for medical image analysis 
 * Copyright (c) Leipzig, Madrid 1999-2017 Gert Wollny
 *
 * MIA is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with MIA; if not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef mia_2d_2dvectorfield_hh
#define mia_2d_2dvectorfield_hh

#include <mia/core/attributes.hh>
#include <mia/2d/datafield.hh>

NS_MIA_BEGIN


template <typename T>
class EXPORT_2D  T2DVectorfield: public T2DDatafield<T>, public CAttributedData {
public:
        static const char *data_descr;

        T2DVectorfield();

        T2DVectorfield(const C2DBounds& size);


        T2DVectorfield(const CAttributedData& data, const C2DBounds& size); 

        C2DFVector get_pixel_size() const; 

        void set_pixel_size(const C2DFVector& pixel); 

        T get_interpol_val_at(const C2DFVector& p) const;

        
};


extern template class EXPORT_2D T2DVectorfield<C2DFVector>;
extern template class EXPORT_2D T2DVectorfield<C2DDVector>;


class EXPORT_2D C2DFVectorfield : public T2DVectorfield<C2DFVector> {
public: 
        
        using T2DVectorfield<C2DFVector>::T2DVectorfield; 

        void update_as_inverse_of(const C2DFVectorfield& other, float tol, int maxiter);

        void update_by_velocity(const C2DFVectorfield& velocity_field, float time_step); 
        
};


typedef std::shared_ptr<C2DFVectorfield > P2DFVectorfield;

typedef T2DVectorfield<C2DDVector>  C2DDVectorfield;

EXPORT_2D C2DFVectorfield& operator += (C2DFVectorfield& a, const C2DFVectorfield& b);


NS_MIA_END

#endif