interpolatedvolume.h

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#ifndef AIMS_INTERPOLATION_INTERPOLATEDVOLUME_H
#define AIMS_INTERPOLATION_INTERPOLATEDVOLUME_H
 
//--- aims -------------------------------------------------------------------
#include <cartodata/volume/volume.h>        // Volume
#include <aims/math/bspline.h>              // aims::TabulBSpline
#include <aims/vector/vector.h>             // Point*
//--- cartodata --------------------------------------------------------------
#include <cartodata/volume/volume.h>        // carto::VolumeRef
//--- cartobase --------------------------------------------------------------
#include <cartobase/smart/rcptr.h>          // carto::rc_ptr
//----------------------------------------------------------------------------
 
namespace aims {
 
  //==========================================================================
  //
  //                          CONTINUOUS VOLUME
  //
  //==========================================================================
  class InterpolatedVolume
  {
  public:
    typedef Point3dd                  Vector;
    typedef carto::VolumeRef<double>  Matrix;

    InterpolatedVolume();
    template <typename T>
    InterpolatedVolume( const carto::Volume<T> & vol, unsigned order = 3 );
    template <typename T>
    InterpolatedVolume( const carto::VolumeRef<T> & vol, unsigned order = 3 );
    InterpolatedVolume( const InterpolatedVolume & other );
    virtual ~InterpolatedVolume();
    InterpolatedVolume & operator=( const InterpolatedVolume & other );

    double at( double x, double y = 0., double z = 0., long t = 0 ) const;
    Vector derivative( double x, double y = 0., double z = 0., long t = 0 ) const;
    Matrix nderivative( unsigned n, double x, double y = 0., double z = 0., long t = 0 ) const;
    // aliases
    double operator() ( double x, double y = 0., double z = 0., long t = 0 ) const;
    Vector der( double x, double y = 0., double z = 0., long t = 0 ) const;
    Matrix der2( double x, double y = 0., double z = 0., long t = 0 ) const;
    Matrix der3( double x, double y = 0., double z = 0., long t = 0 ) const;

    double atMm( double x, double y = 0., double z = 0., long t = 0 ) const;
    Vector derivativeMm( double x, double y = 0., double z = 0., long t = 0 ) const;
    Matrix nderivativeMm( unsigned n, double x, double y = 0., double z = 0., long t = 0 ) const;
    // aliases
    Vector derMm( double x, double y = 0., double z = 0., long t = 0 ) const;
    Matrix der2Mm( double x, double y = 0., double z = 0., long t = 0 ) const;
    Matrix der3Mm( double x, double y = 0., double z = 0., long t = 0 ) const;
    // dimension
    double getSizeXMm() const;
    double getSizeYMm() const;
    double getSizeZMm() const;

          carto::PropertySet & header();
    const carto::PropertySet & header() const;
    double getSizeX() const;
    double getSizeY() const;
    double getSizeZ() const;
    long   getSizeT() const;

    template <typename T>
    void setVolume( const carto::Volume<T> & vol, int order = -1 );
    template <typename T>
    void setVolume( const carto::VolumeRef<T> & vol, int order = -1 );

    template <typename T>
    void setCoeff( const carto::Volume<T> & vol, int order = -1  );
    template <typename T>
    void setCoeff( const carto::VolumeRef<T> & vol, int order = -1  );

    unsigned order() const;
    bool empty() const;
    void setRecursiveMode();
    void setFastMode();
    void setTabularMode();

          carto::VolumeRef<double> & coefficients();
    const carto::VolumeRef<double> & coefficients() const;
 
  protected:
    unsigned                  _order;
    carto::rc_ptr<BSpline>    _spline;
    carto::VolumeRef<double>  _coeff;
  };
 
} // namespace aims
 
#endif // AIMS_INTERPOLATION_INTERPOLATEDVOLUME_H