//////////////////////////////////////////////////////////////////////////////
//文件: SegY文件操作类
//主要功能: 
//		三维地震测网信息定义，完成线道号与坐标的相互转换工作
//
//程序编写:		2011-4-1
//
//
/////////////////////////////////////////////////////////////////////////////

#pragma once
#include "RowColRange.h"
#include "CoorTransform.h"
#include "SeisSampleInfo.h"
#include "SeisSurvey2D.h"


namespace NSeis
{

enum EOrientation
{
	oriInline		= 0,
	oriCrossline	= 1,
	oriZslice		= 2,

	oriRandline		= 3		//仅在CSeisLineData中使用
};

//! Defines policy for 2D and 3D Data type
enum EPolicy2D3D
{
	polOnly3D		= 0,
	polBoth2DAnd3D	= 1,
	polOnly2D		= 2
};

enum EAreaStyle
{
	areaWork		=	0x00000001,		//使用工作区
	areaSnapStep	=	0x00000002,		//按照整步长计算
	areaAutoDelete	=	0x00000004,		//是否自动删除
};

//三维地震测网信息，包括该测网的：
//	1、坐标与线道号的相互转换
//	2、经纬度定义信息
//	3、内部包括两个体：用户显示的线道号及Z方向范围及步长（工作体），测网体
class AFX_EXT_CLASS CSeisSurvey3D
{
public:
	CSeisSurvey3D(void);
	~CSeisSurvey3D(void);

public:
	CPoint2D	toXY(int row, int col)		{ return m_b2c.toXY(row, col); }
	CPoint2D	toXY( const CRowCol& rc ) 	{ return m_b2c.toXY(rc); }
	CPoint2D	toXY( const CPoint2D& rc ) 	{ return m_b2c.toXY(rc.x0, rc.y0); }
	CRowCol		toRC( const CPoint2D& pt );
	CRowCol		toRC( double x, double y );
	CPoint2D	toRCF( const CPoint2D& pt );
	CPoint2D	toRCF( double x, double y );

	void		toRCF( CCurve& cv, bool bAutoLocation = true );	//将实际坐标转换为线道号坐标
	void		toXY( CCurve& cv, bool bAutoLocation = true );	//将线道号坐标转换为实际坐标

	CRowCol		RCF2RC( const CPoint2D& pt );
	/*!<\note CRowCol will be snapped using work step. */

	////////////////////////////////////////////////////////////////////////////////////////

	////////////////////////////////////////////////////////////////////////////////////////
	//Start Work
	bool IsWork()						{ return (m_nFlags & areaWork) ? true:false; }
	void EnableWork(bool bWork);

	//根据EnableWork设定的状态获得是整个工区还是工作工区的参数
	TIntervalStep<int>		inlRange();
	TIntervalStep<int>		crlRange();
	TIntervalStep<float>&	zRange();
	CCubeRange&				GetCubeRange()	{ return IsWork() ? m_workCube : m_surveyCube; }

	void		GetRange(CPoint3D& minpt, CPoint3D& maxpt);
	CPoint3D	minCoord();
	CPoint3D	maxCoord();
	bool		isInside(const CRowCol&) const;
	void		WriteSurvey(LPCTSTR lpszFileName);

	//生成实际二维曲线
	bool		GetSurvey2D(CSeisSurvey2D& sd, LPCTSTR lpszInlHead = NULL, LPCTSTR lpszCrlHead = NULL);

	//End Work
	////////////////////////////////////////////////////////////////////////////////////////

	int			inlSnap(double row);
	int			crlSnap(double col);
	float		zSnap(double z);
	int			inlStep() const;
	int			crlStep() const;
	float		zStep() const;
	double		inlDistance(); //!< 获得实际线间隔步长，单位：米……
	double		crlDistance(); //!< 获得实际道间隔步长，单位：米……

	void	Write(CFile& fw, const short& ver);
	int 	Read(CFile& fr, const short& ver);
	void	Serialize(CArchive& ar, const short &ver);


public:
	void		setWorkRange(const CCubeRange& cr);
	//!< 根据坐标设置工作范围
	//!< 参数： bGetSnapPoint   是否根据整步长线道号设置最大最小范围坐标
	void		setWorkRangeXY(CPoint3D& ptMin, CPoint3D& ptMax, bool bGetSnapPoint=false);
	void		setWorkRangeRC(CPoint3D& ptMin, CPoint3D& ptMax, bool bGetSnapPoint=false);

	bool		IsSnapStep()	{ return (m_nFlags & areaSnapStep) ? true:false; }
	void		EnableSnapStep(bool bSnap);

	/*!< Orientation is determined by rotating the inline axis to the crossline axis. */
	bool		isClockWise() const;
	/*!< It's the angle (0 to pi/2) between the X-axis and the Inline-axis (not an inline) */
	double		computeAngleXInl();

	/*!<Gives a ballpark figure of how to scale XY to make it comparable to Z. */
	static double	defaultXYtoZScale( CUnit::EType unit_z, CUnit::EType unit_xy );
	/*!<Gives a ballpark figure of how to scale Z to make it comparable to XY. */
	double			zScale() const;

	void		InitZRange(CSeisSampleInfo& si);
	bool		InitCoorTransform(CDimension3D* pMesh3D);	//初始化坐标变换

public:
	CCubeRange		m_surveyCube;		//测网的全部范围，缺省情况下两个范围相同
	CCubeRange		m_workCube;			//用户设置的显示范围

	CUnit::EType	m_unit_xy;			//xy方向的坐标单位
	CUnit::EType	m_unit_z;			//z方向的坐标单位
	CCoorTransform	m_b2c;				//线道号与坐标的相互转换

	//CProjection		m_l2c;				//经纬度与坐标的相互转换
	
	//是否使用显示体
	//是否按照步长计算
	DWORD			m_nFlags;		//一些开关设置
};

}//namespace

using namespace NSeis;