AE开发之地图加载.doc

using System;using System.Collections.Generic;using System.Linq;using System.Text;using ESRI.ArcGIS.AnalysisTools;using ESRI.ArcGIS.Analyst3D;using ESRI.ArcGIS.Carto;using ESRI.ArcGIS.Controls;using ESRI.ArcGIS.Display;using ESRI.ArcGIS.DisplayUI;using ESRI.ArcGIS.esriSystem;using ESRI.ArcGIS.Geodatabase;using ESRI.ArcGIS.Geometry;using ESRI.ArcGIS.GlobeCore;using ESRI.ArcGIS.Output;using ESRI.ArcGIS.SystemUI;using ESRI.ArcGIS.DataSourcesRaster;using ESRI.ArcGIS.DataSourcesRasterUI;using System.Windows.Forms;using System.Drawing;using ESRI.ArcGIS.DataSourcesFile;namespace AEExercise public class GeoMapLoad public static IMapDocument pMapDocument;/定义地图文档接口变量 public static int count=0; public static IRgbColor pColor;/设置颜色 public static string text=空;/标注内容 public static void CreateMeasuredGrid(AxPageLayoutControl axPageLayoutControl1) /设置格网点 ISnapGrid pSnapGrid; IPageLayout pPageLayout = axPageLayoutControl1.PageLayout; pSnapGrid = pPageLayout.SnapGrid;/获取PageLayout的SnapGrid对象 pSnapGrid.VerticalSpacing = 2;/设置垂直间距 pSnapGrid.HorizontalSpacing = 1; pSnapGrid.IsVisible = true;/设置为可见 axPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null); public static void operatePageLayout(AxPageLayoutControl axPageLayoutControl1, string opt, IEnvelope pEnv,int strBarType=0) switch (opt) case AddScale: if (count 0) return; IScaleBar pScaleBar; IMapFrame pMapFrame; IMapSurroundFrame pMapSurroundFrame; IMapSurround pMapSurround; IElementProperties pElementPro; /产生一个UID对象，使用它产生不同的MapSurround对象 UID pUID = new UIDClass(); pUID.Value = esriCarto.scalebar; IPageLayout pPageLayout; pPageLayout = axPageLayoutControl1.PageLayout; IGraphicsContainer pGraphicsContainer; pGraphicsContainer = pPageLayout as IGraphicsContainer; IActiveView pActiveView; pActiveView = pGraphicsContainer as IActiveView; IMap pMap; pMap = pActiveView.FocusMap; /获得于地图相关的MapFrame pMapFrame = pGraphicsContainer.FindFrame(pMap) as IMapFrame; /产生MapsurroundFrame pMapSurroundFrame = pMapFrame.CreateSurroundFrame(pUID, null); /依据传入参数不同使用不同类型的比例尺 MessageBox.Show(strBarType.ToString(); switch (strBarType) case 0: /西安交互比例尺 pScaleBar = new AlternatingScaleBarClass(); break; case 1: /双线交互比例尺 pScaleBar = new DoubleAlternatingScaleBarClass(); break; case 2: /中空式比例尺 pScaleBar = new HollowScaleBarClass(); break; case 3: /线式比例尺 pScaleBar = new ScaleLineClass(); break; case 4: /分割式比例尺 pScaleBar = new SingleDivisionScaleBarClass(); break; case 5: /阶梯式比例尺 pScaleBar = new SteppedScaleLineClass(); break; default: pScaleBar = new ScaleLineClass(); break; pScaleBar.Division = 4; pScaleBar.Divisions = 4; pScaleBar.LabelGap = 4; pScaleBar.LabelPosition = esriVertPosEnum.esriAbove; pScaleBar.Map = pMap; pScaleBar.Name = 比例尺; pScaleBar.Subdivisions = 2; pScaleBar.UnitLabel = 千米; pScaleBar.UnitLabelGap = 4; pScaleBar.UnitLabelPosition = esriScaleBarPos.esriScaleBarAbove; pScaleBar.Units = esriUnits.esriKilometers; pMapSurround = pScaleBar; pMapSurroundFrame.MapSurround = pMapSurround; pElementPro = pMapSurroundFrame as IElementProperties; pElementPro.Name = my scalebar; /将MapSurrooundFrame对象添加到控件中 axPageLayoutControl1.AddElement(pMapSurroundFrame as IElement, pEnv, Type.Missing, Type.Missing, 0); pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null); break; public void OperateMapDoc(AxMapControl axMapControl1, AxMapControl axMapControl2, string strOperateType) /定义打开文件对话框 OpenFileDialog OpenFileDlg = new OpenFileDialog(); /定义保存文件对话框 SaveFileDialog SaveFileDlg = new SaveFileDialog(); OpenFileDlg.Filter = 地图文档文件(*.mxd)|*.mxd; SaveFileDlg.Filter = 地图文档文件(*.mxd)|*.mxd; string strDocFileN = string.Empty; pMapDocument = new MapDocumentClass(); /判断操作文档地图的类型 switch (strOperateType) case NewDoc: SaveFileDlg.Title = 输入需要新建地图文档的名称; SaveFileDlg.ShowDialog(); strDocFileN = SaveFileDlg.FileName; if (strDocFileN = string.Empty) return; pMapDocument.New(strDocFileN); pMapDocument.Open(strDocFileN, ); axMapControl1.Map = pMapDocument.get_Map(0); break; case OpenDoc: OpenFileDlg.Title = 选择需要加载的地图文档文件; OpenFileDlg.ShowDialog(); strDocFileN = OpenFileDlg.FileName; if (strDocFileN = string.Empty) return; /将数据加载入pMapDocument并与map控件联动起来 pMapDocument.Open(strDocFileN, ); for (int i = 0; i pMapDocument.MapCount; i+) /遍历可能的Map对象 axMapControl1.Map = pMapDocument.get_Map(i); /axMapControl2.Map = pMapDocument.get_Map(i); /刷新地图 axMapControl1.Refresh(); break; case SaveDoc: /判断文档是否为只读文档 if (pMapDocument.get_IsReadOnly(pMapDocument.DocumentFilename) = true) MessageBox.Show(此地图文档为只读文档！, 信息提示); return; /用相对路径保存地图文档 pMapDocument.Save(pMapDocument.UsesRelativePaths, true); MessageBox.Show(保存成功！, 信息提示); break; case SaveDocAs: SaveFileDlg.Title = 地图文档另存; SaveFileDlg.ShowDialog(); strDocFileN = SaveFileDlg.FileName; if (strDocFileN = string.Empty) return; if (strDocFileN = pMapDocument.DocumentFilename) /将修改后的地图文档保存在原文件中 /用相对路径保存地图文档 pMapDocument.Save(pMapDocument.UsesRelativePaths, true); MessageBox.Show(保存成功！, 信息提示); break; else /将修改后的地图文档保存为新文件 pMapDocument.SaveAs(strDocFileN, true, true); MessageBox.Show(保存成功！, 信息提示); break; default: break; public void SetColor() pColor = getRGBColor(); public void MapOperate(AxMapControl axMapControl1, IMapControlEvents2_OnMouseDownEvent e, string strOperat) if (pColor = null) pColor = new RgbColorClass(); pColor.Blue = 5; pColor.Red = 213; pColor.Green = 9; switch (strOperat) case strLKoper: axMapControl1.MousePointer = esriControlsMousePointer.esriPointerCrosshair; axMapControl1.Extent = axMapControl1.TrackRectangle(); axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null); break; case strMapPan: axMapControl1.Pan(); break; /绘制线 case strDrawLine: /绘制线 IMap pMap; IActiveView pActiveView; pMap = axMapControl1.Map; pActiveView = pMap as IActiveView; IPolyline pPolyline; pPolyline = axMapControl1.TrackLine() as IPolyline; /产生一个SimpleLineSymbol符号 ISimpleLineSymbol pSimpleLineSym; pSimpleLineSym = new SimpleLineSymbolClass(); pSimpleLineSym.Style = esriSimpleLineStyle.esriSLSSolid;/需要用户动态选择 /设置符号颜色 pSimpleLineSym.Color = pColor;/需要用户动态选择 pSimpleLineSym.Width = 1; /产生一个PolylineElement对象 ILineElement pLineEle; pLineEle = new LineElementClass(); IElement pEle; pEle = pLineEle as IElement; pEle.Geometry = pPolyline; try /将元素添加到Map对象之中 IGraphicsContainer pGraphicsContainer; pGraphicsContainer = pMap as IGraphicsContainer; pGraphicsContainer.AddElement(pEle, 0); pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null); catch(ExecutionEngineException e3) MessageBox.Show(两点距离太近); return; break; /绘制面 case strDrawPolygon: /绘制面 IMap pMap; IActiveView pActiveView; pMap = axMapControl1.Map; pActiveView = pMap as IActiveView; IPolygon pPolygion; pPolygion = axMapControl1.TrackPolygon() as IPolygon; /产生一个SimpleFillSymbol符号 ISimpleFillSymbol pSimpleFillSym; pSimpleFillSym = new SimpleFillSymbolClass(); pSimpleFillSym.Style = esriSimpleFillStyle.esriSFSDiagonalCross;/需要用户动态选择 pSimpleFillSym.Color = pColor;/需要用户动态选择 /产生一个PolygonElement对象 IFillShapeElement pPolygonEle; pPolygonEle = new PolygonElementClass(); pPolygonEle.Symbol = pSimpleFillSym; IElement pEle; pEle = pPolygonEle as IElement; pEle.Geometry = pPolygion; /将元素添加到Map对象之中 IGraphicsContainer pGraphicsContainer; pGraphicsContainer = pMap as IGraphicsContainer; pGraphicsContainer.AddElement(pEle, 0); pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null); break; /地图标注 case strMapLable: /地图标注 IMap pMap; IActiveView pActiveView; pMap = axMapControl1.Map; pActiveView = pMap as IActiveView; ITextElement pTextEle; IElement pEles; /建立文字符号对象，并设置相应的属性 pTextEle = new TextElementClass(); pTextEle.Text = text; pEles = pTextEle as IElement; /设置文字字符的几何形体属性 IPoint pPoint; pPoint = new PointClass(); pPoint.PutCoords(e.mapX, e.mapY); pEles.Geometry = pPoint; /添加到Map对象中，并刷新显示 IGraphicsContainer pGraphicsContainer; pGraphicsContainer = pMap as IGraphicsContainer; pGraphicsContainer.AddElement(pEles, 0); pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null); break; case strSelect: /要素选择 /得到一个 包络线Envelope对象 IEnvelope pEnv; pEnv = axMapControl1.TrackRectangle(); /新建选择集环境对象 ISelectionEnvironment pSelectionEnv; pSelectionEnv = new SelectionEnvironmentClass(); /改变选择集的默认颜色 pSelectionEnv.DefaultColor = pColor; /选择要素，并将其放入选择集 axMapControl1.Map.SelectByShape(pEnv, pSelectionEnv, false); axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null); /需要遍历所选要素 break; case LKselect: IMap pMap; IActiveView pActiveView; pMap = axMapControl1.Map; pActiveView = pMap as IActiveView; IEnvelope pEnv; pEnv = axMapControl1.TrackRectangle(); ISelectionEnvironment pSelct; pSelct = new SelectionEnvironmentClass(); pSelct.DefaultColor = pColor; pMap.SelectByShape(pEnv, pSelct, false); pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null); break; case PointSelect: IMap pMap; IActiveView pActiveView; pMap = axMapControl1.Map; pActiveView = pMap as IActiveView; IPoint pPt; pPt = new PointClass(); pPt.PutCoords(e.mapX, e.mapY); IEnumElement pEnumEle; /选择元素，其中1为容差 IGraphicsContainer pGraphicsContainer; pGraphicsContainer = pMap as IGraphicsContainer; pEnumEle = pGraphicsContainer.LocateElements(pPt, 10);