ImageViz/Engines/GeometryAndMatching/Registration/SoImageRegistrationTransform.h

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/*=======================================================================
** Author      : Sébastien MARTIN (March 2016)
**=======================================================================*/

#ifndef _SO_SOIMAGEREGISTRATIONTRANSFORM_H_
#define _SO_SOIMAGEREGISTRATIONTRANSFORM_H_

#include <Inventor/SbMatrix.h>
#include <Inventor/fields/SoSFEnum.h>
#include <Inventor/fields/SoSFMatrix.h>
#include <Inventor/fields/SoSFInt32.h>
#include <Inventor/fields/SoSFVec2f.h>
#include <Inventor/fields/SoSFVec3i32.h>
#include <Inventor/fields/SoSFBool.h>

#include <ImageViz/Fields/SoSFImageDataAdapter.h>
#include <ImageViz/SoImageViz.h>
#include <ImageViz/Engines/SoImageVizEngineOutput.h>
#include <ImageViz/Engines/SoImageVizEngine.h>
#include <ImageViz/Engines/SoSubImageVizEngine.h>
#include <ImageViz/Nodes/Registration/SoRegistrationResult.h>


class  SoImageRegistrationTransform : public SoImageVizEngine
{
  SO_IMAGEVIZ_ENGINE_HEADER( SoImageRegistrationTransform );

public:

  struct RegistrationEvent : public SbEventArg
  {
    SoImageVizEngine* getSource() const
    {
      return m_engine;
    }

    float getProgress() const
    {
      return m_progress;
    }

    double getSimilarity() const
    {
      return m_similarity;
    }

    SbMatrix getTransform() const
    {
      return m_transform;
    }

    RegistrationEvent( SoImageVizEngine* engine, float progress, double similarity, const SbMatrix& matrix )
      : m_engine( engine ),
        m_progress( progress ),
        m_similarity( similarity ),
        m_transform( matrix )
    { }

    ~RegistrationEvent() { }

  private:
    SoImageVizEngine* m_engine;
    float      m_progress;
    double     m_similarity;
    SbMatrix   m_transform;
  };

  SbEventHandler<RegistrationEvent&> onProgressRegistration;

  SoImageRegistrationTransform();

  SoSFEnum computeMode;

  SoSFImageDataAdapter inMovingImage;

  SoSFImageDataAdapter inFixedImage;

  SoSFMatrix           initialTransform;

  SoSFBool             autoParameterMode;

  SoSFVec2f            optimizerStep;

  SoSFVec3i32          coarsestResampling;

  enum TransformationType
  {
    TRANSLATION = 4,

    RIGID = 0,
    RIGID_ISOTROPIC_SCALING = 1,
    RIGID_ANISOTROPIC_SCALING = 2,
    AFFINE = 3,
  };

  SoSFEnum            transformType;

  SoSFBool            ignoreFinestLevel;

  enum MetricType
  {
    EUCLIDIAN = 0,
    CORRELATION,
    NORMALIZED_MUTUAL_INFORMATION,
  };

  SoSFEnum metricType;


  SoImageVizEngineOutput<SoSFFieldContainer, SoRegistrationResult*> outTransform;

  SbMatrix getOutputTransformation()
  {
      return outTransform.getValue()->transformation.getValue();
  }

private:
  virtual ~SoImageRegistrationTransform();
};

#endif //_SO_SOIMAGEREGISTRATIONTRANSFORM_H_

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