#ifndef FILE_SPLINESURFACE
#define FILE_SPLINESURFACE


namespace netgen
{
  class SplineSurface : public OneSurfacePrimitive
  {
  protected:
    Array<GeomPoint<3>> geompoints;
    Array<SplineSeg<3>*> splines;
    Array<string*> bcnames;
    
  public:
    SplineSurface();
    virtual ~SplineSurface();
    
    const Array<SplineSeg<3>*> & GetSplines() const { return splines; }
    int GetNSplines() const { return splines.Size(); }
    string GetSplineType(const int i) const { return splines[i]->GetType(); }
    SplineSeg<3> & GetSpline(const int i) { return *splines[i]; }
    const SplineSeg<3> & GetSpline(const int i) const { return *splines[i]; }
    int GetNP() const { return geompoints.Size(); }
    const GeomPoint<3> & GetPoint(int i) const { return geompoints[i]; }
    string* GetBCName(int i) const { return bcnames[i]; }
    
    DLL_HEADER void AppendPoint(const Point<3> & p, const double reffac = 1., const bool hpref=false);
    void AppendSegment(SplineSeg<3>* spline, string* bcname);
    Array<Plane*>* CreatePlanes() const;
    
    virtual double CalcFunctionValue (const Point<3> & point) const;
    virtual void CalcGradient (const Point<3> & point, Vec<3> & grad) const;
    virtual double HesseNorm () const;
    virtual Point<3> GetSurfacePoint () const;
    virtual void CalcSpecialPoints(Array<Point<3>> & pts) const;

    virtual INSOLID_TYPE BoxInSolid(const BoxSphere<3> & box) const;
    
    
    virtual void Print (ostream & str) const;
    
    
  };

}

#endif