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// ShowHZDistanceDlg.cpp : 实现文件
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//
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#include "stdafx.h"
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#include "ShowHZDistanceDlg.h"
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//#include "afxdialogex.h"
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#include "Globe.h"
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#include <math.h>
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// CShowHZDistanceDlg 对话框
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//
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IMPLEMENT_DYNAMIC(CShowHZDistanceDlg, CDialog)
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CShowHZDistanceDlg::CShowHZDistanceDlg(CWnd* pParent /*=NULL*/)
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: CDialog(CShowHZDistanceDlg::IDD, pParent)
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{
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ResetCoordinateData();
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}
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CShowHZDistanceDlg::~CShowHZDistanceDlg()
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{
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}
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void CShowHZDistanceDlg::DoDataExchange(CDataExchange* pDX)
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{
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CDialog::DoDataExchange(pDX);
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DDX_Text(pDX, IDC_PT1_LAT, m_pt1Lat);
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DDX_Text(pDX, IDC_PT2_LAT, m_pt2Lat);
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DDX_Text(pDX, IDC_PT1_LON, m_pt1Lon);
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DDX_Text(pDX, IDC_PT2_LON, m_pt2Lon);
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DDX_Text(pDX, IDC_HZ_DISTANCE, m_strHZDistance);
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DDX_Text(pDX, IDC_AZ_ANGLE, m_strAZAngle);
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}
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BEGIN_MESSAGE_MAP(CShowHZDistanceDlg, CDialog)
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END_MESSAGE_MAP()
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// CShowHZDistanceDlg 消息处理程序
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void CShowHZDistanceDlg::OnCancel()
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{
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ResetCoordinateData();
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// TODO: 在此添加专用代码和/或调用基类
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//发送主程序，标识已经关闭
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if (g_mapHwnd != NULL)
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{
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::PostMessage(g_mapHwnd, WM_CLOSE_DISTANCE_DIALOG, 0, 0);
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}
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CDialog::OnCancel();
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}
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//输入点的坐标
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//输入：经度lon(以度为单位)，纬度lat(以度为单位)
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void CShowHZDistanceDlg::SetPtCoordinate(const double lon, const double lat)
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{
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if (!m_bHaveOnePoint)
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{
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m_bHaveOnePoint = true;
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m_pt1Lon = lon;
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m_pt1Lat = lat;
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m_pt2Lon = 0.0;
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m_pt2Lat = 0.0;
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m_strHZDistance = _T("");
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m_strAZAngle = _T("");
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}
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else
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{
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m_bHaveOnePoint = false;
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m_pt2Lon = lon;
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m_pt2Lat = lat;
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//计算两点之间的水平距离
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Cal2PtsDisAZ();
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}
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UpdateData(FALSE);
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}
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//功能：计算两点之间的水平距离
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void CShowHZDistanceDlg::Cal2PtsDisAZ()
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{
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double distance = 0;
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double azValue = 0;
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//计算两点之间的距离和方位角
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CalculateTwoPtsDistanceAzimuth(distance, azValue, m_pt1Lon, m_pt1Lat, m_pt2Lon, m_pt2Lat, 3);
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m_strHZDistance.Format("%.4fkm", distance*0.001);
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m_strAZAngle.Format("%.1f", azValue);
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}
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//功能：初始化所有数据
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void CShowHZDistanceDlg::ResetCoordinateData()
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{
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m_hzDistance = 0.0;
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m_pt1Lat = 0.0;
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m_pt2Lat = 0.0;
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m_pt1Lon = 0.0;
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m_pt2Lon = 0.0;
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m_bHaveOnePoint = false;
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m_strHZDistance = _T("");
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//方位角
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m_strAZAngle = _T("");
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}
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//功能：移动对话框到给定的显示区域
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//输入：显示区域rcArea
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void CShowHZDistanceDlg::MoveToGivenArea(const CRect rcArea)
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{
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m_rcHZDistanceDlg = rcArea;
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m_rcHZDistanceDlg.top += 20;
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}
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BOOL CShowHZDistanceDlg::OnInitDialog()
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{
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CDialog::OnInitDialog();
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//移动到固定的显示区域
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SetWindowPos( &CWnd::wndTop, m_rcHZDistanceDlg.left, m_rcHZDistanceDlg.top, 0, 0, SWP_NOSIZE | SWP_NOACTIVATE | SWP_HIDEWINDOW );
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return TRUE; // return TRUE unless you set the focus to a control
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// 异常: OCX 属性页应返回 FALSE
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}
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