GIS软件设计程序说明.docx

GIS软件设计与实现程序说明组员：王兴平、邵 瑞 王平凯 班级： 测绘1103班 指导老师： 李光强 2015/1/5一、小组成员表：姓名学号工作内容评分王平凯0145110616资料查找与程序测试，借阅AE组件开发的相关教程邵 瑞0145110617软件功能设计，界面设计王兴平0145110620程序编写与调试二、程序功能概述本程序的功能有：1.实现一次加载多个shp文件；2.使用ITOCControl接口，对TOC控件中的图层显示顺序进行调整；3.实现鹰眼功能；以上为已经经过测试，实现了的功能，相关功能截图：1.软件设计界面2.加载shp文件3.图层顺序调整4.鹰眼功能程序相关代码：public Form1() InitializeComponent(); / / 声明窗体层全局变量 / ITOCControl mTOCControl; ILayer pMovelayer;/需要调整显示顺序的图层 int toIndex;/存放目标图层的索引 / / 实现同时加载多个shp文件 / / / private void LoadFile_Click(object sender, EventArgs e) OpenFileDialog dlg = new OpenFileDialog(); dlg.Filter = Shape file(*.shp)|*.shp; dlg.Title = 打开 Shape数据文档; dlg.Multiselect = true; /定义存放打开 IFeatureClass 的字符串数组 string FilePath; if (dlg.ShowDialog() = DialogResult.OK) FilePath = new stringdlg.FileNames.Length; FilePath = dlg.FileNames; if (FilePath.Length 0) string WorkSpacePath = System.IO.Path.GetDirectoryName(FilePath0); string ShapeFilePath = new stringFilePath.Length; /获得打开 IFeatureClass 的字符串数组 for (int i = 0; i FilePath.Length; i+) ShapeFilePathi = System.IO.Path.GetFileName(FilePathi); IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactoryClass(); IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(WorkSpacePath, 0); IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace; for (int i = 0; i ShapeFilePath.Length; i+) IFeatureClass pFeatureClass = pFeatureWorkspace.OpenFeatureClass(ShapeFilePathi); IDataset pDataset = pFeatureClass as IDataset; IFeatureLayer pFeatureLayer = new FeatureLayerClass(); pFeatureLayer.FeatureClass = pFeatureClass; pFeatureLayer.Name = pDataset.Name; ILayer pLayer = pFeatureLayer as ILayer; this.axMapControl1.Map.AddLayer(pLayer); this.axMapControl2.Map.AddLayer(pLayer); / / 实现地图的鹰眼功能 / / / private void axMapControl1_OnMapReplaced(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnMapReplacedEvent e) IMap pMap; pMap = axMapControl1.Map; for (int i = 0; i pMap.LayerCount; i+) axMapControl2.Map.AddLayer(pMap.get_Layer(i); axMapControl2.Extent = axMapControl2.FullExtent; /在鹰眼中移动红色矩形框时，axMapControl2中的地图范围要发生相应的变化 private void axMapControl2_OnMouseDown(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnMouseDownEvent e) if (e.button = 1)/探测鼠标左键 IPoint pPt = new PointClass(); pPt.X = e.mapX; pPt.Y = e.mapY; IEnvelope pEnvelope = axMapControl1.Extent as IEnvelope; pEnvelope.CenterAt(pPt); axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null); else if (e.button = 2)/鼠标右键功能：范围显示 IEnvelope pEnvelope = axMapControl2.TrackRectangle(); axMapControl1.Extent = pEnvelope; axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null); / / 当主视图的显示范围发生变化时，会触发空间的OnExtentUpdated事件 / / / private void axMapControl2_OnMouseMove(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnMouseMoveEvent e) if (e.button != 1) return; IPoint pPt = new PointClass(); pPt.X = e.mapX; pPt.Y = e.mapY; axMapControl1.CenterAt(pPt); axMapControl2.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null); / / 绘制鹰眼中红色矩形框 / / / private void axMapControl1_OnExtentUpdated(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnExtentUpdatedEvent e) IGraphicsContainer pGraphicsContainer = axMapControl2.Map as IGraphicsContainer; IActiveView pAv = pGraphicsContainer as IActiveView; /在绘制前，清除axMapControl2中的任何图形 pGraphicsContainer.DeleteAllElements(); IRectangleElement pRecElement = new RectangleElementClass(); IElement pEle = pRecElement as IElement; IEnvelope pEnv; pEnv = e.newEnvelope as IEnvelope; pEle.Geometry = pEnv; /设置颜色 IRgbColor pColor = new RgbColorClass(); pColor.Red = 200; pColor.Green = 0; pColor.Blue = 0; pColor.Transparency = 255; /产生一个线符号对象 ILineSymbol pLineSymbol = new SimpleLineSymbolClass(); pLineSymbol.Width = 2; pLineSymbol.Color = pColor; /设置填充符号的属性 IFillSymbol pFillSymbol = new SimpleFillSymbolClass(); /设置透明颜色 pColor.Transparency = 0; pFillSymbol.Color = pColor; pFillSymbol.Outline = pLineSymbol; IFillShapeElement pFillShapeElement = pRecElement as IFillShapeElement; pFillShapeElement.Symbol = pFillSymbol; pGraphicsContainer.AddElement(pEle, 0); axMapControl2.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null); /在窗体Form1_Load事件中对mTOCControl进行实例化 private void Form1_Load(object sender, EventArgs e) mTOCControl = axTOCControl1.Object as ITOCControl; / / 实现axTOCControl的图层显示顺序调整 / / / private void axTOCControl1_OnMouseDown(object sender, ITOCControlEvents_OnMouseDownEvent e) esriTOCControlItem item = esriTOCControlItem.esriTOCControlItemNone; if (e.button = 1) IBasicMap map = null; ILayer layer = null; object other = null; object index = null; mTOCControl.HitTest(e.x, e.y, ref item, ref map, ref layer, ref other, ref index); if (layer is IAnnotationSublayer) return; else pMovelayer = layer; /图层顺序的调整 private void axTOCControl1_OnMouseUp(object sender, ITOCControlEvents_OnMouseUpEvent e) if (e.button = 1) esriTOCControlItem item = esriTOCControlItem.esriTOCControlItemNone; IBasicMap map = null; ILayer layer = null; object other = null; object index = null; mTOCControl.HitTest(e.x, e.y, ref item, ref map, ref layer, ref other, ref index); IMap pMap = axMapControl1.ActiveView.FocusMap; if (item = esriTOCControlItem.esriTOCControlItemLayer | layer != null) ; if (pMovelayer != l