由坐标文件生成shp图层

一、坐标文件

二、实现代码

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

using System.IO;

using ESRI.ArcGIS.Controls;

using ESRI.ArcGIS.Geometry;

using ESRI.ArcGIS.Carto;

using ESRI.ArcGIS.Geodatabase;

using ESRI.ArcGIS.DataSourcesFile;

using ESRI.ArcGIS.esriSystem;

namespace CreateShapefileFromText

 public partial class Form1 : Form

 public Form1()

 InitializeComponent();

 private AxMapControl buddyMap;

 /// summary 

 /// 关联地图控件

 /// /summary 

 public AxMapControl BuddyMap

 get { return buddyMap; }

 set { buddyMap = value; }

 string shapeFileFullName = string.Empty;

 string surveyDataFullName = string.Empty;

 List string pColumns = new List string 

 List CPoint pCPointList = new List CPoint 

 struct CPoint

 public double x;

 public double y;

 public string name;


 pOFD.Title = "打开测量数据坐标文件:";

 pOFD.InitialDirectory = System.IO.Directory.GetCurrentDirectory();

 pOFD.Filter = "测量坐标文件(*.TXT)|*.TXT";

 if (pOFD.ShowDialog() == DialogResult.OK)

 surveyDataFullName = pOFD.FileName;

 this.textBox1.Text = surveyDataFullName;

 private void btnSave_Click(object sender, EventArgs e)

 SaveFileDialog saveFileDialog = new SaveFileDialog();

 saveFileDialog.Filter = "Shape文件(*.shp)|*.shp";

 DialogResult dialogresult = saveFileDialog.ShowDialog();

 if (dialogresult == DialogResult.OK)

 shapeFileFullName = saveFileDialog.FileName;

 else

 shapeFileFullName = null;

 return;

 this.textBox2.Text = shapeFileFullName;

 /// summary 

 /// 从测量数据中获取所有点

 /// /summary 

 /// param name="surveyDataFullName" 测量数据路径 /param 

 /// returns 获取的点 /returns 

 private List CPoint GetAllPoint(string surveyDataFullName)

 List CPoint pList = new List CPoint 

 if (surveyDataFullName == null || surveyDataFullName == string.Empty)

 MessageBox.Show("选择野外测量数据！");

 return null;

 if (!System.IO.File.Exists(surveyDataFullName))

 MessageBox.Show("野外测量数据不存在！");

 string strLine;

 char[] charArray = new char[] { , };

 string[] strArray;

 System.IO.FileStream aFile = new System.IO.FileStream(surveyDataFullName,

 FileMode.Open);

 StreamReader sr = new StreamReader(aFile, Encoding.Default);

 strLine = sr.ReadLine();

 strArray = strLine.Split(charArray);

 if (strArray.Length 0)

 for (int x = 0; x strArray.Length; x++)

 pColumns.Add(strArray[x]);

 else

 return null;

 strLine = sr.ReadLine();

 while (strLine != null)

 strArray = strLine.Split(charArray);

 CPoint pCpoint = new CPoint();

 pCpoint.x = Convert.ToDouble(strArray[0]);

 pCpoint.y = Convert.ToDouble(strArray[1]);

 pCpoint.name = strArray[2].Trim();

 pList.Add(pCpoint);

 strLine = sr.ReadLine();

 sr.Close(); 

 catch (Exception ex)

 MessageBox.Show(ex.Message);

 return pList;

 /// summary 

 /// 通过点创建shp文件

 /// /summary 

 /// param name="outfileNamePath" 输出文件路径 /param 

 /// returns 创建的shp图层 /returns 

 private IFeatureLayer CreateShpFromPoints(string outfileNamePath)

 int index = outfileNamePath.LastIndexOf(\\);

 string folder = outfileNamePath.Substring(0, index);

 shapeFileFullName = outfileNamePath.Substring(index + 1);

 IWorkspaceFactory pWSF = new ShapefileWorkspaceFactoryClass();

 IFeatureWorkspace pFWS = (IFeatureWorkspace)pWSF.OpenFromFile(folder, 0);

 if(File.Exists(outfileNamePath))

 IFeatureClass featureClass = pFWS.OpenFeatureClass(shapeFileFullName);

 IDataset pDataset = (IDataset)featureClass;

 pDataset.Delete();

 IFields pFields = new FieldsClass();

 IFieldsEdit pFieldsEdit;

 pFieldsEdit = (IFieldsEdit)pFields;

 IField pField = new FieldClass();

 IFieldEdit pFieldEdit = (IFieldEdit)pField;

 pFieldEdit.Name_2 = "Shape";

 pFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;

 IGeometryDef pGeometryDef = new GeometryDefClass();

 IGeometryDefEdit pGDefEdit = (IGeometryDefEdit)pGeometryDef;

 pGDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;

 pFieldEdit.GeometryDef_2 = pGeometryDef;

 pFieldsEdit.AddField(pField);

 pField = new FieldClass();

 pFieldEdit = (IFieldEdit)pField;

 pFieldEdit.Length_2 = 20;

 pFieldEdit.Name_2 = pColumns[2];

 pFieldEdit.Type_2 = esriFieldType.esriFieldTypeString;

 pFieldsEdit.AddField(pField);

 IFeatureClass pFeatureClass;

 pFeatureClass = pFWS.CreateFeatureClass(shapeFileFullName, pFields, null, null,

 esriFeatureType.esriFTSimple, "Shape", "");

 List string pBuildingList = new List string 

 for (int i = 0; i pCPointList.Count; i++)

 if(pBuildingList.Contains(pCPointList[i].name.Trim()) == false)

 pBuildingList.Add(pCPointList[i].name.Trim());

 for (int i = 0; i pBuildingList.Count; i++)

 IPointCollection pPointColl = new PolygonClass();

 object o = Type.Missing;

 for (int j = 0; j pCPointList.Count; j++)

 if (pCPointList[j].name.Trim() == pBuildingList[i].Trim())

 IPoint pPoint = new PointClass();

 pPoint.X = pCPointList[j].x;

 pPoint.Y = pCPointList[j].y;

 pPointColl.AddPoint(pPoint, ref o, ref o);

 if (pPointColl.PointCount 0)

 IClone pClone = pPointColl.get_Point(0) as IClone;

 IPoint pEndPoint = pClone.Clone() as IPoint;

 pPointColl.AddPoint(pEndPoint, ref o, ref o);

 IFeature pFeature = pFeatureClass.CreateFeature();

 pFeature.Shape = pPointColl as IPolygon;

 pFeature.Store();

 pFeature.set_Value(pFeature.Fields.FindField(pColumns[2]),

 pBuildingList[i].Trim());

 pFeature.Store();

 IFeatureLayer pFeatureLayer = new FeatureLayerClass();

 pFeatureLayer.FeatureClass = pFeatureClass;

 return pFeatureLayer;

 private void btnCreate_Click(object sender, EventArgs e)

 pCPointList = this.GetAllPoint(surveyDataFullName);

 IFeatureLayer pFeatureLayer = CreateShpFromPoints(shapeFileFullName);

 pFeatureLayer.Name = "建筑物";

 //this.buddyMap.Map.AddLayer(pFeatureLayer);

 private void btnCancel_Click(object sender, EventArgs e)

 this.Close();

}

三、效果图

转载：http://blog.csdn.net/foreverling/article/details/34423583

通过OpenLayers3调用TileMapServer的栅格瓦片服务与失量瓦片服务 TileMapServer是一个高性能的Web地图服务器，可以非常方便快速的将己有的失量地图发布为Web地图服务。失量地图支持shp、tab、mif三种文件格式的导入,并可以支持栅格瓦片，失量瓦片及空间信息查询等常用的web地图服务。