cogenchart.hxx

Delaunay三角形的网格剖分程序

#ifndef cogenchart_hxx
#define cogenchart_hxx

#ifndef cogenerator_hxx
#include "cogenerator.hxx"
#endif
#ifndef wzmap_hxx
#include "wzmap.hxx"
#endif

class CogenChart
  :public CogenDecorator,
   public Cogeometry, 
   public wzChart
{
  wzmap coordinates;
  cogeometry	originalGeometry;
  //  cogenerator original;
public:
  cogenerator	generator() const {return (CogenChart*) this;}
  cogenChart	cogenchart() const;
  wzchart	chart() const {return (CogenChart*) this;}
  cogeometry	geometry() const {return (CogenChart*) this;}
  CogenChart(cogenerator gen, wzMap* c);
protected:
  // implementations
  virtual cogIndex	Point(wzPoint& p0) const;
  virtual cogIndex	Line (cogFlag1& f, const cogLine& s) const;
  virtual wzIndex 	BoundaryCondition(cogFlag1& f) const;
  virtual wzpoints	generatePoints(cogeometry g,wzmetric r,wzchart c) const;
  virtual wzFloat 	chi(const wzPoint& p) const;
  virtual void 		getMetric(wzMetricData& data, const cogPoint& p) const;
  virtual wzFloat 	g_ii(const wzMetricData& data, 
			     const wzPoint& q, wzIndex i) const;
  virtual void 		getMetric(wzMetricData& data, const cogFlag1& p) const;
  virtual wzFloat 	g_ii(const wzMetricData& data, 
			     const cogFlag1& q, wzIndex i) const;
};

// the geometry used for the internal call in generatePoints:

class CogeometryChart
  :public Cogeometry
{
  cogeometry	original;
  wzmap coordinates;
  void*		marker;
protected:
friend class CogenChart;
  cogIndex	Point(wzPoint& p0) const;
  cogIndex	Line (cogFlag1& f, const cogLine& s) const;
  cogIndex 	BoundaryCondition(cogFlag1& f) const;
  CogeometryChart(cogeometry old, wzMap* c, void* mark=0);
};

typedef wzProxy<CogenChart> cogenChart;

// organization of the stack which collects original coordinates

class cogChartStackEntry{
public:
  static cogChartStackEntry*	base;
  cogChartStackEntry*		next;
  wzPoint*	point;
  void*		marker;
};



#endif