3d/timestep.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_3d_timestep_hh
#define mia_3d_timestep_hh
 
#include <mia/core/factory.hh>
#include <mia/core/typedescr.hh>
#include <mia/3d/image.hh>
 
NS_MIA_BEGIN

 
class EXPORT_3D C3DRegTimeStep : public CProductBase
{
public:
       typedef C3DImage plugin_data;
       typedef timestep_type plugin_type;

       C3DRegTimeStep(float min, float max);
 
       virtual ~C3DRegTimeStep();

       void apply(const C3DFVectorfield& infield, C3DFVectorfield& outfield, float scale);

       float calculate_pertuberation(C3DFVectorfield& io, const C3DFVectorfield& shift) const;

       bool decrease();

       void increase();

       float get_delta(float maxshift) const;

       bool regrid_requested (const C3DFVectorfield& b, const C3DFVectorfield& v, float delta) const;

       bool has_regrid () const;
 
private:
       virtual float do_calculate_pertuberation(C3DFVectorfield& io, const C3DFVectorfield& shift) const = 0;
       virtual bool do_regrid_requested (const C3DFVectorfield& b, const C3DFVectorfield& v, float delta) const = 0;
       virtual bool do_has_regrid () const = 0;
 
 
       float m_min;
       float m_max;
       float m_current;
       float m_step;
};
 

class EXPORT_3D C3DRegTimeStepPlugin : public TFactory<C3DRegTimeStep>
{
public:
       C3DRegTimeStepPlugin(const char *name);
protected:
       float get_min_timestep() const;
       float get_max_timestep() const;
private:
       float m_min;
       float m_max;
};

typedef std::shared_ptr<C3DRegTimeStep > P3DRegTimeStep;

typedef THandlerSingleton<TFactoryPluginHandler<C3DRegTimeStepPlugin>> C3DRegTimeStepPluginHandler;
 
NS_MIA_END
 
#endif