contour.h

等值线生成

// Contour.h: interface for the CContour class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_CONTOUR_H__7ED2ACCB_E944_4543_AF11_2762F561CF69__INCLUDED_)
#define AFX_CONTOUR_H__7ED2ACCB_E944_4543_AF11_2762F561CF69__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "ContourValues.h"
#include "GeoStruct.h"
#include "GeoData.h"


/*===================等值线类=============================*/
//                   CContour
//该类用于保存等值线坐标,管理等值线值，等值线追踪，等值线绘制，等等....
//
//管理和编辑等值线值时，引用CContourValues类来完成
//在生成等值线时，引用CContourTracer等值线追踪类来完成追踪
//在等值线绘制时，引用CContourDrawer绘制器来绘制
//
/*==============================================================*/


typedef CArray<CGeoPoint,CGeoPoint&> CCurve; //一条等值线曲线
typedef CTypedPtrList<CPtrList, CCurve*> CCurveList; //等值线曲线链表(给定某值的等值线不限于一条)
typedef CTypedPtrArray<CPtrArray,CCurveList*> CContourArray; 

#include "ContourDrawer.h"

class CContour  
{
public:

	CContour(CGeoData* pOwner=NULL);
	~CContour();

	//----等值线值的相关操作-------------
	int GetNumberOfValues();
	void AddContourValue(float newVal);
	void DeleteContourValue(float oldVal);
	void ReplaceContourValue(float oldVal, float newVal);
	void GenerateContourValues(int numContours, float valStart, float valEnd);
	CValueList& GetValueList();
	float GetValue(int i);
	void SetValueList(CValueList& list);
	void GenerateDefaultContourValues();
	void EditContourLevels(); //编辑等值线

	//----------------------------
	void GenerateContours();
	void RemoveAllContours();

	//----------和数据相关联---------
	void SetDataOwner(CGeoData* pOwner)
	{
		ASSERT(pOwner!=NULL); m_pDataOwner = pOwner;
	}
	CGeoData* GetDataOwner()
	{
		return m_pDataOwner;
	}

	//-----追踪结果---------
	CContourArray& GetContours()
	{
		return m_Contours;
	}

	//-----绘制相关---------------
	void Draw(CDC* pDC,const CRect& drawRect);
	BOOL IsHavingContours(){ return m_Contours.GetSize()>0;}
    void ModifyColorTable(){ASSERT(m_pContourDrawer!=NULL);m_pContourDrawer->ModifyColorTable();}
	BOOL IsGeneratingAgain(){return m_bReGenerated;}


private:
	CContourValues m_contourValues; //管理等值线值
	CContourArray    m_Contours;    //等值线追踪结果放在此中
	//CContourTracer*  m_pContourTracer;
	CContourDrawer*  m_pContourDrawer;
    CGeoData*       m_pDataOwner;

	BOOL m_bReGenerated; //指示绘制器是否需要重新生成Contour绘制对象的标志


private:
	CContour(const CContour& rhs); //not implimented
	CContour& operator=(const CContour& rhs);//not implimented
};

inline int CContour::GetNumberOfValues()
{
	return m_contourValues.GetNumberOfValues();
}

inline void CContour::AddContourValue(float newVal)
{
	m_contourValues.AddValue(newVal);
}

inline void CContour::DeleteContourValue(float oldVal)
{
	m_contourValues.DeleteValue(oldVal);
}

inline void CContour::ReplaceContourValue(float oldVal, float newVal)
{
	m_contourValues.ReplaceValue(oldVal,newVal);
}

inline void CContour::GenerateContourValues(int numContours, float valStart, float valEnd)
{
	m_contourValues.GenerateValues(numContours,valStart,valEnd);
}

inline CValueList& CContour::GetValueList()
{ 
	return m_contourValues.GetValueList(); 
}

inline float CContour::GetValue(int i)
{
	return m_contourValues.GetValue(i);
}

inline void CContour::SetValueList(CValueList& list)
{
	m_contourValues.RemoveAllValues();

	POSITION pos = list.GetHeadPosition();
	while(pos!=NULL)
	{
		m_contourValues.AddValue(list.GetNext(pos));
	}

}


#endif // !defined(AFX_CONTOUR_H__7ED2ACCB_E944_4543_AF11_2762F561CF69__INCLUDED_)