AE基础(5)鹰眼功能 

  1 using ESRI.ArcGIS.Carto;
  2 using ESRI.ArcGIS.Controls;
  3 using ESRI.ArcGIS.Display;
  4 using ESRI.ArcGIS.esriSystem;
  5 using ESRI.ArcGIS.Geometry;
  6 using System;
  7 using System.Collections.Generic;
  8 using System.ComponentModel;
  9 using System.Data;
 10 using System.Drawing;
 11 using System.Linq;
 12 using System.Text;
 13 using System.Threading.Tasks;
 14 using System.Windows.Forms;
 15 
 16 namespace Ch02Ex06
 17 {
 18     public partial class Form1 : Form
 19     {
 20         public Form1()
 21         {
 22             InitializeComponent();
 23         }
 24         private void Form1_Click(object sender, EventArgs e)
 25         {
 26             LoadMap();
 27         }
 28         private void LoadMap()
 29         {
 30             OpenFileDialog of = new OpenFileDialog();
 31             of.Title = "打开地图";
 32             of.Filter = "打开(*.mxd)|*.mxd";
 33             of.ShowDialog();
 34             string path = of.FileName;
 35             if (axMapControl1.CheckMxFile(path))
 36             {
 37                 axMapControl1.MousePointer = esriControlsMousePointer.esriPointerHourglass;
 38                 axMapControl1.LoadMxFile(path, 0, Type.Missing);
 39                 axMapControl1.MousePointer = esriControlsMousePointer.esriPointerDefault;
 40                 LoadEyeMap(path);               
 41             }
 42             else
 43             {
 44                 MessageBox.Show("不是有效地地图","错误");
 45             }
 46         }
 47         private void LoadEyeMap(string filePath)
 48         {           
 49             if (axMapControl1.CheckMxFile(filePath))
 50             {
 51                 axMapControl2.MousePointer =ESRI.ArcGIS.Controls.esriControlsMousePointer.esriPointerHourglass;
 52                 axMapControl2.LoadMxFile(filePath, 0, Type.Missing);
 53                 axMapControl2.MousePointer = esriControlsMousePointer.esriPointerDefault;
 54             }
 55             else
 56             {
 57                 MessageBox.Show("不是有效地地图", "错误");
 58             }
 59         }
 60 
 61         private void axMapControl1_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
 62         {
 63             if (e.button == 1)
 64             {
 65                 axMapControl1.Extent = axMapControl1.TrackRectangle();
 66                 axMapControl1.Refresh(esriViewDrawPhase.esriViewBackground, null, null);
 67             }
 68             else if(e.button==2)
 69             {
 70                 axMapControl1.Pan();
 71                 axMapControl1.Refresh(esriViewDrawPhase.esriViewBackground,null,null);
 72             }
 73         }
 74 
 75         private void axMapControl1_OnExtentUpdated(object sender, IMapControlEvents2_OnExtentUpdatedEvent e)
 76         {
 77             IEnvelope envelope = e.newEnvelope as IEnvelope;
 78             IGraphicsContainer graphicsContainer = axMapControl2.Map as IGraphicsContainer;
 79             IActiveView activeView = graphicsContainer as IActiveView;
 80             graphicsContainer.DeleteAllElements();
 81             IElement element = new RectangleElement();
 82             element.Geometry = envelope;
 83 
 84             ILineSymbol outLineSymbol = new SimpleLineSymbol();
 85             outLineSymbol.Width = 2;
 86             outLineSymbol.Color = GetColor(255, 0, 0, 255);
 87 
 88             IFillSymbol fillSymbol = new SimpleFillSymbol();
 89             fillSymbol.Color = GetColor(9, 0, 0, 0);
 90             fillSymbol.Outline = outLineSymbol;
 91 
 92             IFillShapeElement fillShapeElement = element as IFillShapeElement;
 93             fillShapeElement.Symbol = fillSymbol;
 94 
 95             graphicsContainer.AddElement(fillShapeElement as IElement, 0);
 96             activeView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null,null);
 97         }
 98         private IRgbColor GetColor(int r, int g, int b, int t)
 99         {
100             IRgbColor rgbColor = new RgbColor();
101             rgbColor.Red = r;
102             rgbColor.Green = g;
103             rgbColor.Blue = b;
104             rgbColor.Transparency = (byte)t;
105             return rgbColor;
106         }
107 
108         private void axMapControl2_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
109         {
110             IPoint point = new ESRI.ArcGIS.Geometry.Point();
111             point.X = e.mapX;
112             point.Y = e.mapY;
113             axMapControl1.CenterAt(point);
114         }
115 
116       
117     }
118 }

 

posted @ 2013-09-15 18:43  文刀三石  阅读(845)  评论(0)    收藏  举报