source: pacpusframework/branches/2.0-beta1/include/extlib/qwtplot3d/qwt3d_function.h@ 89

#ifndef qwt3d_function_h__2004_03_05_13_51_begin_guarded_code
#define qwt3d_function_h__2004_03_05_13_51_begin_guarded_code

#include "qwt3d_gridmapping.h"

namespace Qwt3D
{

class SurfacePlot;

//! Abstract base class for mathematical functions
/**
        A Function encapsulates a mathematical function with rectangular domain. The user has to adapt the pure virtual operator() 
        to get a working object. Also, the client code should call setDomain, setMesh and create for reasonable operating conditions.
*/
class QWT3D_EXPORT Function : public GridMapping
{

public:
        
  Function(); //!< Constructs Function object w/o assigned SurfacePlot.
  explicit Function(Qwt3D::SurfacePlot& plotWidget); //!< Constructs Function object and assigns a SurfacePlot
  explicit Function(Qwt3D::SurfacePlot* plotWidget); //!< Constructs Function object and assigns a SurfacePlot
        virtual double operator()(double x, double y) = 0; //!< Overwrite this.
                
        void setMinZ(double val); //!< Sets minimal z value.
        void setMaxZ(double val); //!< Sets maximal z value.

        //! Assigns a new SurfacePlot and creates a data representation for it.
        virtual bool create(Qwt3D::SurfacePlot& plotWidget);
        //! Creates data representation for the actual assigned SurfacePlot.
        virtual bool create();
  //! Assigns the object to another widget. To see the changes, you have to call this function before create().
  void assign(Qwt3D::SurfacePlot& plotWidget); 
  //! Assigns the object to another widget. To see the changes, you have to call this function before create().
  void assign(Qwt3D::SurfacePlot* plotWidget); 
};

} // ns

#endif /* include guarded */