u3d_math_abstract_surface.hpp

/* u3d_math_abstract_surface.hpp */
/* $Id: u3d_math_abstract_surface.hpp,v 1.6 2007/01/31 09:47:49 urij Exp $ */
#ifndef __u3d_math_abstract_surface_hpp
#define __u3d_math_abstract_surface_hpp

#include <u3d_defines.hpp>
#include <u3d_triangle.hpp>
#include <u3d_message.hpp>
#include <vector>

class U3dMathAbstractSurface 
{
public:
  U3dMathAbstractSurface(U3dPointsAr &points)
  {m_is_ip_done = false;}
  
  U3dMathAbstractSurface(U3dMathAbstractSurface *ps){}
  
  virtual ~U3dMathAbstractSurface(){};
  
  virtual void addPoint(U3dPoint* point) = 0; 
  virtual bool removePoint(int pointId) = 0;
  virtual void movePoint(int pointId, double x, double y, double z) = 0;
  
  virtual bool getPoint(double p, double q, U3dPoint &point) = 0;
  
  virtual bool getXYZ(double p, double q, double &x, double &y, double &z);
  
  virtual bool getXYZp(double p, double q, U3dPoint &drp);
  
  virtual bool getXYZq(double p, double q, U3dPoint &drq);
  
  virtual bool getXYZpp(double p, double q, U3dPoint &ddrpp);
  
  virtual bool getXYZqq(double p, double q, U3dPoint &ddrqq);
  
  virtual bool getXYZpq(double p, double q, U3dPoint &ddrpq);
  
  virtual bool getCurvature(double p, double q, double &c);
  
  virtual bool getMaxCurvature(double p1, double q1, double p2, double q2, 
                   double &c);
  
  virtual void getAreaSize(U3dPoint &min, U3dPoint &max);
  
  bool isInterpolated()
  {return m_is_ip_done;}
  
  int getInitialPointsNum(){return m_ips.size();}
  
  U3dPoint* getInitialPoint(int ind);
  
  void GetInitialPoints(U3dPointsAr &ps)
  {ps = m_ips;}
    
  U3dMathAbstractSurface& operator<<(U3dPoint *p){
    addPoint(p);
    return *this;}
  
protected:
  bool m_is_ip_done; 
  
  U3dPointsAr m_ips;
  
  static double m_min_dpq;
  
  struct Area3d
  {
    double xmn,xmx,ymn,ymx,zmn,zmx;
  } area3d;
  
  virtual bool approximate() = 0;
};

#endif /* __u3d_math_abstract_surface_hpp */