ArcEngine主要功能源码.docx

using System;using System.IO;using System.Windows.Forms;using ESRI.ArcGIS.Carto;using ESRI.ArcGIS.Controls;using ESRI.ArcGIS.DataSourcesFile;using ESRI.ArcGIS.DataSourcesGDB;using ESRI.ArcGIS.DataSourcesRaster;using ESRI.ArcGIS.Display;using ESRI.ArcGIS.esriSystem;using ESRI.ArcGIS.Geodatabase;using ESRI.ArcGIS.Geometry;using ESRI.ArcGIS.SystemUI;namespace MapOperation public partial class FormMain : Form #region 变量定义 /地图导出窗体 private FormExportMap frmExpMap = null; /长度、面积量算 private FormMeasureResult frmMeasureResult = null; /量算结果窗体 private INewLineFeedback pNewLineFeedback; /追踪线对象 private INewPolygonFeedback pNewPolygonFeedback; /追踪面对象 private IPoint pPointPt = null; /鼠标点击点 private IPoint pMovePt = null; /鼠标移动时的当前点 private double dToltalLength = 0; /量测总长度 private double dSegmentLength = 0; /片段距离 private IPointCollection pAreaPointCol = new MultipointClass() ; /面积量算时画的点进行存储； private string sMapUnits = 未知单位; /地图单位变量 private object missing = Type.Missing; /TOC菜单 IFeatureLayer pTocFeatureLayer = null; /点击的要素图层 private FormAtrribute frmAttribute = null; /图层属性窗体 private ILayer pMoveLayer; /需要调整显示顺序的图层 private int toIndex; /存放拖动图层移动到的索引号 /鹰眼同步 private bool bCanDrag; /鹰眼地图上的矩形框可移动的标志 private IPoint pMoveRectPoint; /记录在移动鹰眼地图上的矩形框时鼠标的位置 private IEnvelope pEnv; /记录数据视图的Extent #endregion #region 初始化 public FormMain() InitializeComponent(); axTOCControl.SetBuddyControl(mainMapControl); EagleEyeMapControl.Extent = mainMapControl.FullExtent; pEnv = EagleEyeMapControl.Extent; DrawRectangle(pEnv); #endregion #region 数据加载 #region LoadMxFile方法加载地图文档文件 private void btnLoadMxFile_Click(object sender, EventArgs e) /加载数据前如果有数据则清空 try OpenFileDialog pOpenFileDialog = new OpenFileDialog(); pOpenFileDialog.CheckFileExists = true; pOpenFileDialog.Title = 打开地图文档; pOpenFileDialog.Filter = ArcMap文档(*.mxd)|*.mxd;|ArcMap模板(*.mxt)|*.mxt|发布地图文件(*.pmf)|*.pmf|所有地图格式(*.mxd;*.mxt;*.pmf)|*.mxd;*.mxt;*.pmf; pOpenFileDialog.Multiselect = false; /不允许多个文件同时选择 pOpenFileDialog.RestoreDirectory = true; /存储打开的文件路径 if (pOpenFileDialog.ShowDialog() = DialogResult.OK) string pFileName = pOpenFileDialog.FileName; if (pFileName = ) return; if (mainMapControl.CheckMxFile(pFileName) /检查地图文档有效性 ClearAllData(); mainMapControl.LoadMxFile(pFileName); else MessageBox.Show(pFileName + 是无效的地图文档!, 信息提示); return; catch (Exception ex) MessageBox.Show(打开地图文档失败 + ex.Message); #endregion #region IMapDocument方法加载Mxd文档文件 private void btnIMapDocument_Click(object sender, EventArgs e) try OpenFileDialog pOpenFileDialog = new OpenFileDialog(); pOpenFileDialog.CheckFileExists = true; pOpenFileDialog.Title = 打开地图文档; pOpenFileDialog.Filter = ArcMap文档(*.mxd)|*.mxd;|ArcMap模板(*.mxt)|*.mxt|发布地图文件(*.pmf)|*.pmf|所有地图格式(*.mxd;*.mxt;*.pmf)|*.mxd;*.mxt;*.pmf; pOpenFileDialog.Multiselect = false; pOpenFileDialog.RestoreDirectory = true; if (pOpenFileDialog.ShowDialog() = DialogResult.OK) string pFileName = pOpenFileDialog.FileName; if (pFileName = ) return; if (mainMapControl.CheckMxFile(pFileName) /检查地图文档有效性 /将数据载入pMapDocument并与Map控件关联 IMapDocument pMapDocument = new MapDocument();/using ESRI.ArcGIS.Carto; pMapDocument.Open(pFileName, ); /获取Map中激活的地图文档 mainMapControl.Map = pMapDocument.ActiveView.FocusMap; mainMapControl.ActiveView.Refresh(); else MessageBox.Show(pFileName + 是无效的地图文档!, 信息提示); return; catch (Exception ex) MessageBox.Show(打开地图文档失败 + ex.Message); #endregion #region ControlsOpenDocCommandClass加载地图 private void btncontrolsOpenDocCommandClass_Click(object sender, EventArgs e) ICommand command = new ControlsOpenDocCommandClass(); command.OnCreate(mainMapControl.Object); command.OnClick(); #endregion #region 加载Shape文件 private void btnAddShapefile_Click(object sender, EventArgs e) /ClearAllData(); try OpenFileDialog pOpenFileDialog = new OpenFileDialog(); pOpenFileDialog.CheckFileExists = true; pOpenFileDialog.Title = 打开Shape文件; pOpenFileDialog.Filter = Shape文件（*.shp）|*.shp; pOpenFileDialog.ShowDialog(); /获取文件路径 /FileInfo pFileInfo = new FileInfo(pOpenFileDialog.FileName); /string pPath = pOpenFileDialog.FileName.Substring(0, pOpenFileDialog.FileName.Length - pFileInfo.Name.Length); /mainMapControl.AddShapeFile(pPath, pFileInfo.Name); IWorkspaceFactory pWorkspaceFactory; IFeatureWorkspace pFeatureWorkspace; IFeatureLayer pFeatureLayer; string pFullPath = pOpenFileDialog.FileName; if (pFullPath = ) return; int pIndex = pFullPath.LastIndexOf(); string pFilePath = pFullPath.Substring(0, pIndex); /文件路径 string pFileName = pFullPath.Substring(pIndex + 1); /文件名 /实例化ShapefileWorkspaceFactory工作空间，打开Shape文件 pWorkspaceFactory = new ShapefileWorkspaceFactory(); pFeatureWorkspace = (IFeatureWorkspace)pWorkspaceFactory.OpenFromFile(pFilePath, 0); /创建并实例化要素集 IFeatureClass pFeatureClass = pFeatureWorkspace.OpenFeatureClass(pFileName); pFeatureLayer = new FeatureLayer(); pFeatureLayer.FeatureClass = pFeatureClass; pFeatureLayer.Name = pFeatureLayer.FeatureClass.AliasName; ClearAllData(); /新增删除数据 mainMapControl.Map.AddLayer(pFeatureLayer); mainMapControl.ActiveView.Refresh(); /同步鹰眼 SynchronizeEagleEye(); catch (Exception ex) MessageBox.Show(图层加载失败！ + ex.Message); #endregion #region 加载栅格文件 private void btnAddRaster_Click(object sender, EventArgs e) OpenFileDialog pOpenFileDialog = new OpenFileDialog(); pOpenFileDialog.CheckFileExists = true; pOpenFileDialog.Title = 打开Raster文件; pOpenFileDialog.Filter = 栅格文件 (*.*)|*.bmp;*.tif;*.jpg;*.img|(*.bmp)|*.bmp|(*.tif)|*.tif|(*.jpg)|*.jpg|(*.img)|*.img; pOpenFileDialog.ShowDialog(); string pRasterFileName = pOpenFileDialog.FileName; if (pRasterFileName = ) return; string pPath = System.IO.Path.GetDirectoryName(pRasterFileName); string pFileName = System.IO.Path.GetFileName(pRasterFileName); IWorkspaceFactory pWorkspaceFactory = new RasterWorkspaceFactory(); IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(pPath, 0); IRasterWorkspace pRasterWorkspace = pWorkspace as IRasterWorkspace; IRasterDataset pRasterDataset = pRasterWorkspace.OpenRasterDataset(pFileName); /影像金字塔判断与创建 IRasterPyramid3 pRasPyrmid; pRasPyrmid = pRasterDataset as IRasterPyramid3; if (pRasPyrmid != null) if (!(pRasPyrmid.Present) pRasPyrmid.Create(); /创建金字塔 IRaster pRaster; pRaster = pRasterDataset.CreateDefaultRaster(); IRasterLayer pRasterLayer; pRasterLayer = new RasterLayerClass(); pRasterLayer.CreateFromRaster(pRaster); ILayer pLayer = pRasterLayer as ILayer; mainMapControl.AddLayer(pLayer, 0); #endregion #region 分图层加载CAD数据 private void btnAddCADByLayer_Click(object sender, EventArgs e) IWorkspaceFactory pWorkspaceFactory; IFeatureWorkspace pFeatureWorkspace; IFeatureLayer pFeatureLayer; IFeatureClass pFeatureClass; OpenFileDialog pOpenFileDialog = new OpenFileDialog(); pOpenFileDialog.Filter = CAD(*.dwg)|*.dwg; pOpenFileDialog.Title = 打开CAD数据文件; pOpenFileDialog.ShowDialog(); string pFullPath = pOpenFileDialog.FileName; if (pFullPath = ) return; /获取文件名和文件路径 int pIndex = pFullPath.LastIndexOf(); string pFilePath = pFullPath.Substring(0, pIndex); string pFileName = pFullPath.Substring(pIndex + 1); pWorkspaceFactory = new CadWorkspaceFactory(); pFeatureWorkspace = (IFeatureWorkspace)pWorkspaceFactory.OpenFromFile(pFilePath, 0); /加载CAD文件中的线文件 pFeatureClass = pFeatureWorkspace.OpenFeatureClass(pFileName + :polyline); pFeatureLayer = new FeatureLayerClass(); pFeatureLayer.Name = pFileName; pFeatureLayer.FeatureClass = pFeatureClass; ClearAllData(); /新增删除数据 mainMapControl.Map.AddLayer(pFeatureLayer); mainMapControl.ActiveView.Refresh(); /同步鹰眼 SynchronizeEagleEye(); #endregion #region 加载整幅CAD图数据 private void btnAddWholeCAD_Click(object sender, EventArgs e) IWorkspaceFactory pWorkspaceFactory; IFeatureWorkspace pFeatureWorkspace; IFeatureLayer pFeatureLayer; IFeatureDataset pFeatureDataset; OpenFileDialog pOpenFileDialog = new OpenFileDialog(); pOpenFileDialog.Filter = CAD(*.dwg)|*.dwg; pOpenFileDialog.Title = 打开CAD数据文件; pOpenFileDialog.ShowDialog(); string pFullPath = pOpenFileDialog.FileName; if (pFullPath = ) return; /获取文件名和文件路径 int pIndex = pFullPath.LastIndexOf(); string pFilePath = pFullPath.Substring(0, pIndex); string pFileName = pFullPath.Substring(pIndex + 1); /打开CAD数据集 pWorkspaceFactory = new CadWorkspaceFactoryClass(); /using ESRI.ArcGIS.DataSourcesFile; pFeatureWorkspace = (IFeatureWorkspace)pWorkspaceFactory.OpenFromFile(pFilePath, 0); /打开一个要素集 pFeatureDataset = pFeatureWorkspace.OpenFeatureDataset(pFileName); /IFeatureClassContainer可以管理IFeatureDataset中的每个要素类 IFeatureClassContainer pFeatClassContainer = (IFeatureClassContainer)pFeatureDataset; ClearAllData(); /新增删除数据 /对CAD文件中的要素进行遍历处理 for (int i = 0; i pFeatClassContainer.ClassCount; i+) IFeatureClass pFeatClass = pFeatClassContainer.get_Class(i); /如果是注记，则添加注记层 if (pFeatClass.FeatureType = esriFeatureType.esriFTCoverageAnnotation) pFeatureLayer = new CadAnnotationLayerClass(); pFeatureLayer.Name = pFeatClass.AliasName; pFeatureLayer.FeatureClass = pFeatClass; mainMapControl.Map.AddLayer(pFeatureLayer); else /如果是点、线、面则添加要素层 pFeatureLayer = new FeatureLayerClass(); pFeatureLayer.Name = pFeatClass.AliasName; pFeatureLayer.FeatureClass = pFeatClass; mainMapControl.Map.AddLayer(pFeatureLayer); mainMapControl.ActiveView.Refresh(); /同步鹰眼 SynchronizeEagleEye(); #endregion #region 把CAD作为栅格地图进行加载 private void btnAddRasterByCAD_Click(object sender, EventArgs e) IWorkspaceFactory pCadWorkspaceFactory; IWorkspace pWorkspace; ICadDrawingWorkspace pCadDrawingWorkspace; ICadDrawingDataset pCadDrawingDataset; ICadLayer pCadLayer; OpenFileDialog pOpenFileDialog = new OpenFileDialog(); pOpenFileDialog.Filter = CAD(*.dwg)|*.dwg; pOpenFileDialog.Title = 打开CAD数据文件; pOpenFileDialog.ShowDialog(); string pFullPath = pOpenFileDialog.FileName; if (pFullPath = ) return; /获取文件名和文件路径 int pIndex = pFullPath.LastIndexOf(); string pFilePath = pFullPath.Substring(0, pIndex); string pFileName = pFullPath.Substring(pIndex + 1); pCadWorkspaceFactory = new CadWorkspaceFactoryClass(); pWorkspace = pCadWorkspaceFactory.OpenFromFile(pFilePath, 0); pCadDrawingWorkspace = (ICadDrawingWorkspace)pWorkspace; /获得CAD文件的数据集 pCadDrawingDataset = pCadDrawingWorkspace.OpenCadDrawingDataset(pFileName); pCadLayer = new CadLayerClass(); pCadLayer.CadDrawingDataset = pCadDrawingDataset; mainMapControl.Map.AddLayer(pCadLayer); mainMapControl.ActiveView.Refresh(); #endregion #region 加载personGeodatabase private void btnAddPersonGeodatabase_Click(object sender, EventArgs e) IWorkspaceFactory pAccessWorkspaceFactory; OpenFileDialog pOpenFileDialog = new OpenFileDialog(); pOpenFileDialog.Filter = Personal Geodatabase(*.mdb)|*.mdb; pOpenFileDialog.Title = 打开PersonGeodatabase文件; pOpenFileDialog.ShowDialog(); string pFullPath = pOpenFileDialog.FileName; if (pFullPath = ) return; pAccessWorkspaceFactory = new AccessWorkspaceFactory(); /using ESRI.ArcGIS.DataSourcesGDB; /获取工作空间 IWorkspace pWorkspace = pAccessWorkspaceFactory.OpenFromFile(pFullPath, 0); ClearAllData(); /新增删除数据 /加载工作空间里的数据 AddAllDataset(pWorkspace, mainMapControl); #endregion #region 加载文件地理库 private void btnAddFileDatabase_Click(object sender, EventArgs e) IWorkspaceFactory pFileGDBWorkspaceFactory; FolderBrowserDialog dlg = new FolderBrowserDialog(); if (dlg.ShowDialog() != DialogResult.OK) return; string pFullPath = dlg.SelectedPath; if (pFullPath = ) return; pFileGDBWorkspaceFactory = new FileGDBWorkspaceFactoryClass(); /using ESRI.ArcGIS.DataSourcesGDB; ClearAllData(); /新增删除数据 /获取工作空间 IWorkspace pWorkspace = pFileGDBWorkspaceFactory.OpenFromFile(pFullPath, 0); AddAllDataset(pWorkspace, mainMapControl); #endregion #region 加载SDE数据库 / / 服务器连接 / / / private void btnAddSDEByService_Click(object sender, EventArgs e) IWorkspace pWorkspace; pWorkspace = arcSDEWorkspaceOpen(10, esri_sde, sde, sde, , SDE.DEFAULT); /如果工作空间不为空则进行加载 if (pWorkspace != null) AddAllDataset(pWork