Fusion3D.h

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 * This software is governed by the CeCILL-B license under
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 * You can  use, modify and/or redistribute the software under the
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#ifndef ANA_MOBJECT_FUSION3D_H
#define ANA_MOBJECT_FUSION3D_H


#include <anatomist/mobject/globjectvector.h>
#include <map>
#include <vector>


namespace anatomist
{

  class Referential;
  class Geometry;


  class Fusion3D : public GLObjectVector
  {
  public:
    enum Method
    {
      POINT_TO_POINT,
      INSIDE_POINT_TO_POINT,
      OUTSIDE_POINT_TO_POINT,
      LINE_TO_POINT,
      INSIDE_LINE_TO_POINT,
      OUTSIDE_LINE_TO_POINT,
      SPHERE_TO_POINT,
    };

    enum SubMethod
    {
      MAX,
      MIN,
      MEAN,
      CORRECTED_MEAN,
      ENHANCED_MEAN,
      ABSMAX,
      MEDIAN,
    };

    Fusion3D( const std::vector<AObject *> & obj );
    virtual ~Fusion3D();

    virtual int MType() const { return( AObject::FUSION3D ); }

    virtual bool CanRemove( AObject* obj );

    virtual bool render( PrimList &, const ViewState & );
    virtual bool Is2DObject();
    virtual bool Is3DObject() { return true; }

    virtual bool boundingBox( std::vector<float> & bmin,
                              std::vector<float> & bmax ) const;

    void setMethod( Method method );
    Method method() { return _method; }

    void setSubMethod( SubMethod submethod );
    SubMethod subMethod() { return _submethod; }

    void setDepth( float depth );
    float depth() { return _depth; }
    void setStep( float step );
    float step() { return _step; }

    virtual void update( const Observable* observable, void* arg );

    virtual void glClearHasChangedFlags() const;

    virtual Tree* optionTree() const;

    static Tree*        _optionTree;

    iterator firstVolume();
    const_iterator firstVolume() const;

    /*
    virtual bool glHasChanged( glPart ) const;
    virtual void glSetChanged( glPart, bool = true );
    */
    virtual unsigned glTexCoordSize( const ViewState &, unsigned ) const;
    virtual const GLfloat* glTexCoordArray( const ViewState &, 
                                            unsigned ) const;
    virtual bool hasTexture() const { return true; }
    virtual const GLComponent* glTexture( unsigned tex = 0 ) const;
    virtual GLComponent* glTexture( unsigned tex = 0 );
    virtual unsigned glNumTextures() const;
    virtual unsigned glNumTextures( const ViewState & ) const;
    virtual unsigned glDimTex( const ViewState & s, unsigned tex = 0 ) const;
    virtual const AObjectPalette* glPalette( unsigned tex = 0 ) const;
    virtual glTextureMode glTexMode( unsigned tex = 0 ) const;
    virtual void glSetTexMode( glTextureMode mode, unsigned tex = 0 );
    virtual float glTexRate( unsigned tex = 0 ) const;
    virtual void glSetTexRate( float rate, unsigned tex = 0 );
    virtual glTextureFiltering glTexFiltering( unsigned tex = 0 ) const;
    virtual void glSetTexFiltering( glTextureFiltering x, unsigned tex = 0 );
    virtual glAutoTexturingMode glAutoTexMode( unsigned tex = 0 ) const;
    virtual void glSetAutoTexMode( glAutoTexturingMode mode, 
                                   unsigned tex = 0 );
    virtual const float *glAutoTexParams( unsigned coord = 0, 
                                          unsigned tex = 0 ) const;
    virtual void glSetAutoTexParams( const float* params, unsigned coord = 0, 
                                     unsigned tex = 0 );

    //virtual bool glTexImageChanged( unsigned tex = 0 ) const;
    virtual void glSetTexImageChanged( bool x = true, unsigned tex = 0 ) const;
    //virtual bool glTexEnvChanged( unsigned tex = 0 ) const;
    virtual void glSetTexEnvChanged( bool x = true, unsigned tex = 0 ) const;
    virtual GLPrimitives glTexNameGLL( const ViewState &, 
                                       unsigned tex = 0 ) const;
    virtual GLPrimitives glTexEnvGLL( const ViewState &, 
                                      unsigned tex = 0 ) const;
    const TexExtrema & glTexExtrema( unsigned tex = 0 ) const;
    TexExtrema & glTexExtrema( unsigned tex = 0 );

    virtual void glGarbageCollector( int nkept = -1 );

  protected:
    void  refreshVTexture( const ViewState & ) const;
    const AObject* volume( unsigned n ) const;
    virtual std::string viewStateID( glPart part, const ViewState & ) const;

    unsigned    _nsurf;
    Method      _method;
    SubMethod   _submethod;
    float       _depth;
    float       _step;

  private:
    struct Private;

    virtual void insert( AObject* o ) { GLObjectVector::insert( o ); }
    virtual void insert( AObject* o, int pos )
    { GLObjectVector::insert( o, pos ); }
    virtual void insert( const carto::shared_ptr<AObject> & o,
                         int pos = -1 )
    { GLObjectVector::insert( o, pos ); }
    virtual void erase( iterator & i ) { GLObjectVector::erase( i ); }

    void  refreshVTextureWithPointToPoint( const ViewState &, 
                                           unsigned tex ) const;
    void  refreshVTextureWithLineToPoint( const ViewState &, 
                                          unsigned tex ) const;
    void  refreshVTextureWithInsideLineToPoint( const ViewState &, 
                                                unsigned tex ) const;
    void  refreshVTextureWithOutsideLineToPoint( const ViewState &, 
                                                 unsigned tex ) const;
    void  refreshVTextureWithSphereToPoint( const ViewState &, 
                                            unsigned tex ) const;
    void refreshLineTexture( float start_depth, float stop_depth,
                             const ViewState &, unsigned tex ) const;

    float enhancedMean( float value, int nbElemCorrected, int nbElem ) const;

    Private     *d;
  };


  //


  inline bool Fusion3D::CanRemove( AObject * ) 
  { 
    return(false);
  } 



  inline float Fusion3D::enhancedMean( float value, 
                                       int nbElemCorrected, 
                                       int nbElem ) const
  {
    if( nbElemCorrected == 0 )
      return(0.0);
    return( value / ((float) nbElemCorrected) 
            * ( 1. - 0.7 * ((float) nbElemCorrected) / ((float) nbElem) ) );
  }

}


#endif