ArcEngine动态追踪
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.MapControl;
using ESRI.ArcGIS.ToolbarControl;
using ESRI.ArcGIS.SystemUI;
using ESRI.ArcGIS.Output;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.DataSourcesGDB;
namespace VehicleMove
{
public partial class frmMain : Form
{
double dx = 116.315691;
double dy = 39.991964;
IActiveView pactiveview;
public frmMain()
{
InitializeComponent();
//
timer1.Enabled = false;
timer2.Enabled = false;
timer3.Enabled = false;
timer4.Enabled = false;
timer5.Enabled = false;
//
this.axToolbarControl1.SetBuddyControl(this.axMapControl1);
pactiveview = this.axMapControl1.ActiveView;
}
//方法1：缺点：有拖尾,除非每次刷新，但是刷新会出现不停闪烁
private void timer1_Tick(object sender, EventArgs e)
{
dx = dx + 0.001;
dy = dy - 0.0001;
MoveCar();
}
private void MoveCar()
{
//得到当前活动范围
IActiveView pActiveView = axMapControl1.ActiveView;
//开始画笔
pActiveView.ScreenDisplay.StartDrawing(pActiveView.ScreenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache);
IPoint ppoint;
IGeometry pgeo;
IPictureMarkerSymbol psymbol = new PictureMarkerSymbolClass();
IRgbColor prgbcolor = new RgbColorClass();
prgbcolor.Red = 0;
prgbcolor.Green = 0;
prgbcolor.Blue = 0;
psymbol.BitmapTransparencyColor = prgbcolor;
psymbol.CreateMarkerSymbolFromFile(esriIPictureType.esriIPictureBitmap,@"E:\layers\2.bmp");
psymbol.Size = 15;
psymbol.Angle = 270;
//ISimpleMarkerSymbol psimplesymbol = new SimpleMarkerSymbolClass();
//psimplesymbol.Size = 10;
//psimplesymbol.Color = (IColor)prgbcolor;
ppoint = new PointClass();
ppoint.PutCoords(dx,dy);
pgeo = ppoint;
pActiveView.ScreenDisplay.SetSymbol((ISymbol)psymbol);
pActiveView.ScreenDisplay.DrawPoint(ppoint);
//结束画笔
pActiveView.ScreenDisplay.UpdateWindow();
pActiveView.ScreenDisplay.FinishDrawing();
//System.Object obj = psymbol;
//this.axMapControl1.DrawShape(pgeo, ref obj);
//this.axMapControl1.CenterAt(ppoint);
IEnvelope penv = this.axMapControl1.Extent;
penv.CenterAt(ppoint);
this.axMapControl1.Extent = penv;
}
private void button1_Click(object sender, EventArgs e)
{
this.timer1.Enabled = true;
this.timer1.Interval = 1000;
}
//方法2：用element实现移动
private IElement pelement, pelement1, pelement2;
//第一种，文字图元,需要找到能够代表汽车的字体，并用上去才好
private void DrawTextElement(IPoint pPoint)
{
IGraphicsContainer pGraphicsContainer;
pGraphicsContainer = (IGraphicsContainer)(this.axMapControl1.ActiveView);
pGraphicsContainer.DeleteAllElements();
ITextElement ptextelement = new TextElementClass();
ptextelement.Text = "0";
pelement = (IElement)ptextelement;
ptextelement.ScaleText = true;
pelement.Geometry = pPoint;
IFormattedTextSymbol ptextsymbol = new TextSymbolClass();
////下面三句是文字显示的背景框，去掉就单独显示文字了
//ICallout pcallout = new BalloonCalloutClass();
//ptextsymbol.Background = (ITextBackground)pcallout;
//pcallout.AnchorPoint = pPoint;
ptextsymbol.Font.Size = 15;
ptextelement.Symbol = ptextsymbol;
pGraphicsContainer.AddElement(pelement, 0);
pelement.Activate(this.axMapControl1.ActiveView.ScreenDisplay);
pactiveview.PartialRefresh(esriViewDrawPhase.esriViewGraphics, pelement, null);
//System.Runtime.InteropServices.Marshal.FinalReleaseComObject(ptextelement);
//System.Runtime.InteropServices.Marshal.FinalReleaseComObject(ptextsymbol);
return ;
}
private void MoveTextElement(IPoint pPoint)
{
////如果有文字背景框，需要把背景框的锚点设置好
//ITextElement ptextelement = (ITextElement)pelement;
//ITextSymbol ptextsym = ptextelement.Symbol;
//IFormattedTextSymbol ptextsymbol = (IFormattedTextSymbol)ptextsym;
//ICallout pcallout = (ICallout)(ptextsymbol.Background);
//pcallout.AnchorPoint = pPoint;
pelement.Geometry = pPoint;
IGraphicsContainer pGraphicsContainer;
pGraphicsContainer = (IGraphicsContainer)(this.axMapControl1.ActiveView);
pGraphicsContainer.UpdateElement(pelement);
this.axMapControl1.CenterAt(pPoint);
// pactiveview.PartialRefresh(esriViewDrawPhase.esriViewGraphics, pelement, null);
//pelement.Activate(this.axMapControl1.ActiveView.ScreenDisplay);
//System.Runtime.InteropServices.Marshal.FinalReleaseComObject(ptextelement);
//System.Runtime.InteropServices.Marshal.FinalReleaseComObject(ptextsymbol);
return ;
}
private void timer2_Tick(object sender, EventArgs e)
{
dx = dx + 0.001;
dy = dy - 0.0001;
IPoint pp = new PointClass();
pp.PutCoords(dx, dy);
MoveTextElement(pp);
}
private void button2_Click(object sender, EventArgs e)
{
IPoint pp = new PointClass();
pp.PutCoords(dx, dy);
DrawTextElement(pp);
timer2.Enabled = true;
timer2.Interval = 1000;
}
//第二种，位图图片的图元:ppictureelement
private void DrawPictureElement(IPoint pPoint)
{
IGraphicsContainer pGraphicsContainer;
pGraphicsContainer = (IGraphicsContainer)(this.axMapControl1.ActiveView);
pGraphicsContainer.Reset();
//pGraphicsContainer.DeleteAllElements();
IPictureElement ppictureelement = new BmpPictureElementClass();
ppictureelement.ImportPictureFromFile(@"e:\layers\1.bmp");
ppictureelement.MaintainAspectRatio = false;
pelement1 = (IElement)ppictureelement;
//IEnvelope pEnv = new EnvelopeClass();
//pEnv.PutCoords(pPoint.X - 10, pPoint.Y - 10, pPoint.X + 60, pPoint.Y + 40);
//pEle.Geometry = (IGeometry)pEnv;
ITopologicalOperator pTopo = pPoint as ITopologicalOperator;
IGeometry pBuffer = pTopo.Buffer(0.005);//建立4个地图单位的缓冲区
IGeometry pGeometry = pBuffer.Envelope;//确定鼠标周围隐藏的选择框
pelement1.Geometry = pGeometry;
pGraphicsContainer.AddElement(pelement1, 0);
pelement.Activate(this.axMapControl1.ActiveView.ScreenDisplay);
pactiveview.PartialRefresh(esriViewDrawPhase.esriViewGraphics, pelement1, null);
//System.Runtime.InteropServices.Marshal.FinalReleaseComObject(ptextelement);
//System.Runtime.InteropServices.Marshal.FinalReleaseComObject(ptextsymbol);
return;
}
private void MovePictureElement(IPoint pPoint)
{
ITopologicalOperator pTopo = pPoint as ITopologicalOperator;
IGeometry pBuffer = pTopo.Buffer(0.002);//建立4个地图单位的缓冲区
IGeometry pGeometry = pBuffer.Envelope;//确定鼠标周围隐藏的选择
pelement1.Geometry = pGeometry;
IGraphicsContainer pGraphicsContainer;
pGraphicsContainer = (IGraphicsContainer)(this.axMapControl1.ActiveView);
pGraphicsContainer.UpdateElement(pelement1);
this.axMapControl1.CenterAt(pPoint);
// pactiveview.PartialRefresh(esriViewDrawPhase.esriViewGraphics, pelement, null);
//pelement.Activate(this.axMapControl1.ActiveView.ScreenDisplay);
//System.Runtime.InteropServices.Marshal.FinalReleaseComObject(ptextelement);
//System.Runtime.InteropServices.Marshal.FinalReleaseComObject(ptextsymbol);
return;
}
private void timer3_Tick(object sender, EventArgs e)
{
dx = dx + 0.001;
dy = dy - 0.0001;
IPoint pp = new PointClass();
pp.PutCoords(dx, dy);
MovePictureElement(pp);
}
private void button3_Click(object sender, EventArgs e)
{
IPoint pp = new PointClass();
pp.PutCoords(dx, dy);
DrawPictureElement(pp);
timer3.Enabled = true;
timer3.Interval = 1000;
}
//第三种，点图元的形式，pmarkerelement
private void DrawMarkerElement(IPoint pPoint)
{
IGraphicsContainer pGraphicsContainer;
pGraphicsContainer = (IGraphicsContainer)(this.axMapControl1.ActiveView);
pGraphicsContainer.Reset();
//pGraphicsContainer.DeleteAllElements();
IMarkerElement pmarkerelement = new MarkerElementClass();
pelement2 = (IElement)pmarkerelement;
IGeometry pGeometry = pPoint;
pelement2.Geometry = pGeometry;
IPictureMarkerSymbol ppicmarksymbol = new PictureMarkerSymbolClass();
//IRgbColor prgbcolor = new RgbColorClass();
//prgbcolor.Red = 255;
//prgbcolor.Green = 255;
//prgbcolor.Blue = 255;
//ppicmarksymbol.BitmapTransparencyColor = prgbcolor;
ppicmarksymbol.CreateMarkerSymbolFromFile(esriIPictureType.esriIPictureBitmap,@"e:\layers\2.bmp");
ppicmarksymbol.Size = 20;
//0-360度，逆时针转动
ppicmarksymbol.Angle = 270;
pmarkerelement.Symbol = ppicmarksymbol;
pGraphicsContainer.AddElement(pelement2, 0);
pelement2.Activate(this.axMapControl1.ActiveView.ScreenDisplay);
pactiveview.PartialRefresh(esriViewDrawPhase.esriViewGraphics, pelement2, null);
//System.Runtime.InteropServices.Marshal.FinalReleaseComObject(ptextelement);
//System.Runtime.InteropServices.Marshal.FinalReleaseComObject(ptextsymbol);
return;
}
private void MoveMarkerElement(IPoint pPoint)
{
pelement2.Geometry = pPoint;
IGraphicsContainer pGraphicsContainer;
pGraphicsContainer = (IGraphicsContainer)(this.axMapControl1.ActiveView);
pGraphicsContainer.UpdateElement(pelement2);
this.axMapControl1.CenterAt(pPoint);
// pactiveview.PartialRefresh(esriViewDrawPhase.esriViewGraphics, pelement, null);
//pelement.Activate(this.axMapControl1.ActiveView.ScreenDisplay);
//System.Runtime.InteropServices.Marshal.FinalReleaseComObject(ptextelement);
//System.Runtime.InteropServices.Marshal.FinalReleaseComObject(ptextsymbol);
return;
}
private void timer4_Tick(object sender, EventArgs e)
{
dx = dx + 0.001;
dy = dy - 0.0001;
IPoint pp = new PointClass();
pp.PutCoords(dx, dy);
MoveMarkerElement(pp);
}
private void button4_Click(object sender, EventArgs e)
{
IPoint pp = new PointClass();
pp.PutCoords(dx, dy);
DrawMarkerElement(pp);
timer4.Enabled = true;
timer4.Interval = 1000;
}
//方法3，用内存图层，画点的方法
//创建内存图层，比创建实体图层，效率要快要几倍：已经过测试，查找路径后者花费4500毫秒，内存图层花费780毫秒。
//可独立运行程序（不知道为什么，有问题。），创建空图层,默认为北京54的经纬度坐标系,itype=0,表示点，1：线，2：面
private IFeature pthisfeature;
public IFeatureWorkspace CreateEmptyLayerInmemeory(string slayername, ESRI.ArcGIS.Geometry.ISpatialReference pspatialreference, int itype)
{
//打开工作空间
const string strShapeFieldName = "SHAPE";
IWorkspaceFactory pWSF = new InMemoryWorkspaceFactoryClass();
ESRI.ArcGIS.Geodatabase.IWorkspaceName pworkspacename = pWSF.Create("", "MyWorkspace", null, 0);
ESRI.ArcGIS.esriSystem.IName pname = (IName)pworkspacename;
//ESRI.ArcGIS.Geodatabase.IWorkspace pworkspace =(IWorkspace)(pname.Open());
IFeatureWorkspace pfeatureworkspace = (IFeatureWorkspace)(pname.Open());//;(IFeatureWorkspace)pworkspace;
try
{
//IFeatureLayer player = null;
//IFeatureClass pclass = null;
//为esriFieldTypeGeometry类型的字段创建几何定义，包括类型和空间参照
IGeometryDef pGeoDef = new GeometryDefClass(); //The geometry definition for the field if IsGeometry is TRUE.
IGeometryDefEdit pGeoDefEdit = (IGeometryDefEdit)pGeoDef;
if (itype == 0)
{
pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPoint;
}
else
{
if (itype == 1)
{
pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolyline;
}
else
{
pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
}
}
if (pspatialreference != null)
{
pspatialreference.SetDomain(-180, 180, -90, 90);
pGeoDefEdit.SpatialReference_2 = pspatialreference;
}
else
{
//pGeoDefEdit.SpatialReference_2 = new UnknownCoordinateSystemClass();
ISpatialReferenceFactory3 pspatialRefFac = new SpatialReferenceEnvironmentClass();
ISpatialReference pspatialRef = pspatialRefFac.CreateGeographicCoordinateSystem((int)esriSRGeoCSType.esriSRGeoCS_WGS1984);//esriSRGeoCS_Beijing1954
pspatialRef.SetDomain(-180, 180, -90, 90);
pGeoDefEdit.SpatialReference_2 = pspatialRef;
}
//设置字段集
IFields pFields = new FieldsClass();
IFieldsEdit pFieldsEdit = (IFieldsEdit)pFields;
//设置字段
IField pField = new FieldClass();
IFieldEdit pFieldEdit = (IFieldEdit)pField;
//for (int i = 0; i < PropertyFields.FieldCount; i++)//输入PropertyFields
//{
// pFieldsEdit.AddField(PropertyFields.get_Field(i));
//}
//创建类型为几何类型的字段0
pFieldEdit.Name_2 = strShapeFieldName;
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;//esriFieldTypeGeometry;
pFieldEdit.GeometryDef_2 = pGeoDef;
pFieldsEdit.AddField(pField);
//添加其他的字段1:nodeid,2:x,3:y
if (itype == 0)
{
pField = new FieldClass();
pFieldEdit = (IFieldEdit)pField;
pFieldEdit.Name_2 = "ID";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeInteger;
pFieldsEdit.AddField(pField);
pField = new FieldClass();
pFieldEdit = (IFieldEdit)pField;
pFieldEdit.Name_2 = "X";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
pFieldEdit.Precision_2 = 10;//数值长度
pFieldEdit.Scale_2 = 6;//小数点后保留位数
pFieldsEdit.AddField(pField);
pField = new FieldClass();
pFieldEdit = (IFieldEdit)pField;
pFieldEdit.Name_2 = "Y";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
pFieldEdit.Precision_2 = 10;//数值长度
pFieldEdit.Scale_2 = 6;//小数点后保留位数
pFieldsEdit.AddField(pField);
pField = new FieldClass();
pFieldEdit = (IFieldEdit)pField;
pFieldEdit.Name_2 = "NAME";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeString;
pFieldEdit.Length_2 = 30;
pFieldsEdit.AddField(pField);
//添加标记字段，0表示既是起点也是终点，1表示只作起点，2表示只作终点
pField = new FieldClass();
pFieldEdit = (IFieldEdit)pField;
pFieldEdit.Name_2 = "flag";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeInteger;
pFieldsEdit.AddField(pField);
}
else
{
pField = new FieldClass();
pFieldEdit = (IFieldEdit)pField;
pFieldEdit.Name_2 = "ID";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeInteger;
pFieldsEdit.AddField(pField);
pField = new FieldClass();
pFieldEdit = (IFieldEdit)pField;
pFieldEdit.Name_2 = "name";
pFieldEdit.Length_2 = 50;
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeString;
pFieldsEdit.AddField(pField);
pField = new FieldClass();
pFieldEdit = (IFieldEdit)pField;
pFieldEdit.Name_2 = "firstnode";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeInteger;
pFieldsEdit.AddField(pField);
pField = new FieldClass();
pFieldEdit = (IFieldEdit)pField;
pFieldEdit.Name_2 = "endnode";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeInteger;
pFieldsEdit.AddField(pField);
pField = new FieldClass();
pFieldEdit = (IFieldEdit)pField;
pFieldEdit.Name_2 = "shunxu";
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeInteger;
pFieldsEdit.AddField(pField);
}
//创建shapefile
IFeatureClass pfclass = pfeatureworkspace.CreateFeatureClass(slayername, pFields, null, null, esriFeatureType.esriFTSimple, strShapeFieldName, "");//C#里 null 取代VB里的Nothing
IDataset pdataset = (IDataset)pfclass;
pdataset.BrowseName = slayername;
//player = new FeatureLayerClass();
//player.Name = slayername;
//player.FeatureClass = pfclass;
}
catch (System.Exception ex)
{
}
return pfeatureworkspace;
}
IFeatureClass pvehicleclass;
IFeatureLayer pvehiclelayer;
private void CreateVehicleFeature()
{
IFeatureWorkspace pvehicleworkspace = CreateEmptyLayerInmemeory("vehicle", null, 0);
pvehicleclass= pvehicleworkspace.OpenFeatureClass("vehicle");
pvehiclelayer = new FeatureLayerClass();
pvehiclelayer.FeatureClass = pvehicleclass;
// IFeature pfeature;
IDataset pdataset = (IDataset)pvehiclelayer;
IWorkspaceEdit pworkspaceedit = (IWorkspaceEdit)(pdataset.Workspace);
pworkspaceedit.StartEditing(true);
pworkspaceedit.StartEditOperation();
pthisfeature = pvehicleclass.CreateFeature();
IPoint ppoint = new PointClass();
ppoint.PutCoords(dx,dy);
pthisfeature.Shape = (IGeometry)ppoint;
pthisfeature.Store();
pworkspaceedit.StopEditOperation();
pworkspaceedit.StopEditing(true);
//add
PointRender(pvehiclelayer);
this.axMapControl1.AddLayer(pvehiclelayer);
}
public void PointRender(IFeatureLayer player)
{
IGeoFeatureLayer pgeolayer = (IGeoFeatureLayer)player;
IFeatureRenderer pfeaturerender = pgeolayer.Renderer;
IFeatureClass pfeatureclass = player.FeatureClass;
ISimpleRenderer psimplerender = new SimpleRendererClass();
psimplerender.Description = "简单渲染";
psimplerender.Label = "ID";
//ISimpleMarkerSymbol pMarkerSymbol;
//ISymbol pSymbol;
//IRgbColor pRgbColor;
//pMarkerSymbol = new SimpleMarkerSymbol();
//pMarkerSymbol.Style = esriSimpleMarkerStyle.esriSMSCircle;//esriSimpleMarkerStyle.esriSMSCircle;
//pMarkerSymbol.Size = 8;
//IRgbColor poutcolor = new RgbColorClass();
//poutcolor.RGB = System.Drawing.Color.FromArgb(0, 0, 0).ToArgb();
//pMarkerSymbol.OutlineColor = poutcolor;
//pMarkerSymbol.OutlineSize = 1;
//pMarkerSymbol.Outline = true;
//pRgbColor = new RgbColor();
//pRgbColor.RGB = System.Drawing.Color.FromArgb(0, 255, 0).ToArgb();
//pMarkerSymbol.Color = pRgbColor;
//pSymbol = (ISymbol)pMarkerSymbol;
//pSymbol.ROP2 = esriRasterOpCode.esriROPCopyPen;//esriROPNotXOrPen;
IPictureMarkerSymbol ppicmarksymbol = new PictureMarkerSymbolClass();
ppicmarksymbol.CreateMarkerSymbolFromFile(esriIPictureType.esriIPictureBitmap, @"e:\layers\2.bmp");
ppicmarksymbol.Size = 20;
//0-360度，逆时针转动
ppicmarksymbol.Angle = 270;
psimplerender.Symbol = (ISymbol)ppicmarksymbol;
pgeolayer.Renderer = (IFeatureRenderer)psimplerender;
pactiveview.PartialRefresh(esriViewDrawPhase.esriViewGraphics, player, null);
}
private void UpdateVehicleLoc(double dx,double dy)
{
IFeatureCursor pfeaturecursor = pvehicleclass.Update(null, false);
pthisfeature = pfeaturecursor.NextFeature();
if (pthisfeature != null)
{
IDataset pdataset = (IDataset)pvehiclelayer;
IWorkspaceEdit pworkspaceedit = (IWorkspaceEdit)(pdataset.Workspace);
pworkspaceedit.StartEditing(true);
pworkspaceedit.StartEditOperation();
IPoint ppoint = new PointClass();
ppoint.PutCoords(dx, dy);
pthisfeature.Shape = (IGeometry)ppoint;
pthisfeature.Store();
pworkspaceedit.StopEditOperation();
pworkspaceedit.StopEditing(true);
this.axMapControl1.CenterAt(ppoint);
}
}
private void timer5_Tick(object sender, EventArgs e)
{
dx = dx + 0.001;
dy = dy - 0.0001;
UpdateVehicleLoc(dx, dy);
}
private void button5_Click(object sender, EventArgs e)
{
CreateVehicleFeature();
timer5.Enabled = true;
timer5.Interval = 1000;
}
}
}转载自：https://blog.csdn.net/anlidengshiwei/article/details/41545301
