实现坐标txt文件转shp点集数据文件的窗体Form
txt格式为：首行为“id，x，y”
第二行开始输入具体数值：id,x,y（x，y为具体的xy坐标）
1 using System; 2 using System.Collections.Generic; 3 using System.ComponentModel; 4 using System.Data; 5 using System.Drawing; 6 using System.Linq; 7 using System.Text; 8 using System.Windows.Forms; 9 using NewDistrict; 10 using System.IO; 11 12 using System.Threading.Tasks; 13 using ESRI.ArcGIS.Carto; 14 using ESRI.ArcGIS.Controls; 15 using ESRI.ArcGIS.DataSourcesFile; 16 using ESRI.ArcGIS.Geodatabase; 17 using ESRI.ArcGIS.Geometry; 18 19 namespace SignalDeal 20 { 21 public partial class Formtxt2shp : Form 22 { 23 public Formtxt2shp() 24 { 25 ESRI.ArcGIS.RuntimeManager.Bind(ESRI.ArcGIS.ProductCode.EngineOrDesktop); 26 InitializeComponent(); 27 } 28 29 30 //选择Txt文件 31 private void btn_TxtPath_Click(object sender, EventArgs e) 32 { 33 OpenFileDialog xjTxtOpenFileDialog = new OpenFileDialog(); 34 xjTxtOpenFileDialog.Multiselect = false; 35 xjTxtOpenFileDialog.Title = "打开txt坐标文件"; 36 xjTxtOpenFileDialog.Filter = "txt坐标文件（*.txt）|*.txt"; 37 if (xjTxtOpenFileDialog.ShowDialog() == DialogResult.OK) 38 { 39 txt_TxtPath.Text = xjTxtOpenFileDialog.FileName; 40 } 41 } 42 43 //Shp矢量点保存路径 44 private void btn_ShpPath_Click(object sender, EventArgs e) 45 { 46 SaveFileDialog xjShpSaveFileDialog = new SaveFileDialog(); 47 xjShpSaveFileDialog.Filter = "Shape文件（*.shp）|*.shp"; 48 if (File.Exists(txt_TxtPath.Text)) 49 { 50 xjShpSaveFileDialog.FileName = System.IO.Path.GetFileNameWithoutExtension(txt_TxtPath.Text); 51 } 52 if (xjShpSaveFileDialog.ShowDialog() == DialogResult.OK) 53 { 54 txt_ShpPath.Text = xjShpSaveFileDialog.FileName; 55 } 56 } 57 58 59 //显示保存 60 //检查数据和路径 61 private bool Check() 62 { 63 if (txt_TxtPath.Text == "" || !File.Exists(txt_TxtPath.Text)) 64 { 65 MessageBox.Show("数据无效，重选", "提示", MessageBoxButtons.OK); 66 return false; 67 } 68 if (txt_ShpPath.Text == "" || System.IO.Path.GetExtension(txt_ShpPath.Text).ToLower() != ".shp") 69 { 70 MessageBox.Show("Shp矢量点保存路径无效，重选", "提示", MessageBoxButtons.OK); 71 return false; 72 } 73 return true; 74 } 75 //结构体 76 struct Point 77 { 78 public string Name; 79 public double X; 80 public double Y; 81 } 82 List xjColumn = new List (); 83 //获取点数据 84 private List GetPoint(string surveyDataFullName) 85 { 86 List xjList = new List (); 87 char[] xjchar = new char[] { ',', ' ', '\t' }; //常用的分隔符为逗号、空格、制位符 88 //读取 89 FileStream xjFileStream = new FileStream(surveyDataFullName, FileMode.Open); 90 StreamReader xjStreamReader = new StreamReader(xjFileStream, Encoding.Default); 91 string xjstringLine = xjStreamReader.ReadLine(); 92 if (xjstringLine != null) 93 { 94 string[] xjstrArray = xjstringLine.Split(xjchar); 95 if (xjstrArray.Length > 0) 96 { 97 for (int i = 0; i < xjstrArray.Length; i++) 98 { 99 xjColumn.Add(xjstrArray[i]);100 }101 }102 103 while ((xjstringLine = xjStreamReader.ReadLine()) != null)104 {105 //点信息的读取106 xjstrArray = xjstringLine.Split(xjchar);107 Point xjPoint = new Point();108 xjPoint.Name = xjstrArray[0].Trim();109 xjPoint.X = Convert.ToDouble(xjstrArray[1]);110 xjPoint.Y = Convert.ToDouble(xjstrArray[2]);111 112 xjList.Add(xjPoint);113 }114 }115 else116 {117 return null;118 }119 xjStreamReader.Close();120 return xjList;121 //catch (Exception ex)122 //{123 // MessageBox.Show(ex.Message);124 // return null;125 //}126 }127 //创建Shp矢量图层128 private IFeatureLayer CreateShpFromPoints(List xjPointList, string xjFilePath)129 {130 int index = xjFilePath.LastIndexOf('\\');131 string xjFolder = xjFilePath.Substring(0, index);132 string xjShapeName = xjFilePath.Substring(index + 1);133 IWorkspaceFactory xjWsF = new ShapefileWorkspaceFactoryClass();134 IFeatureWorkspace xjFWs = (IFeatureWorkspace)xjWsF.OpenFromFile(xjFolder, 0);135 136 IFields xjFields = new FieldsClass();137 IFieldsEdit xjFieldsEdit;138 xjFieldsEdit = (IFieldsEdit)xjFields;139 140 IField xjField = new FieldClass();141 IFieldEdit xjFieldEdit = (IFieldEdit)xjField;142 xjFieldEdit.Name_2 = "Shape";143 xjFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;144 IGeometryDef xjGeometryDef = new GeometryDefClass();145 IGeometryDefEdit xjGDefEdit = (IGeometryDefEdit)xjGeometryDef;146 xjGDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPoint;147 //定义坐标系148 ISpatialReferenceFactory pSRF = new SpatialReferenceEnvironmentClass();149 ISpatialReference pSpatialReference = pSRF.CreateProjectedCoordinateSystem((int)esriSRProjCS4Type.esriSRProjCS_Beijing1954_3_Degree_GK_CM_114E);150 xjGDefEdit.SpatialReference_2 = pSpatialReference;151 152 xjFieldEdit.GeometryDef_2 = xjGeometryDef;153 xjFieldsEdit.AddField(xjField);154 155 IFeatureClass xjFeatureClass;156 xjFeatureClass = xjFWs.CreateFeatureClass(xjShapeName, xjFields, null, null, esriFeatureType.esriFTSimple, "Shape", "");157 158 IPoint xjPoint = new PointClass();159 160 for (int j = 0; j < xjPointList.Count; j++)161 {162 163 xjPoint.X = xjPointList[j].X;164 xjPoint.Y = xjPointList[j].Y;165 166 IFeatureBuffer xjFeature = xjFeatureClass.CreateFeatureBuffer();167 IFeatureCursor featureCursor = xjFeatureClass.Insert(true);168 169 xjFeature.Shape = xjPoint;170 xjFeature.set_Value(xjFeature.Fields.FindField("id"), xjPointList[j].Name);171 featureCursor.InsertFeature(xjFeature); 172 }173 174 IFeatureLayer xjFeatureLayer = new FeatureLayerClass();175 xjFeatureLayer.Name = xjShapeName;176 xjFeatureLayer.FeatureClass = xjFeatureClass;177 return xjFeatureLayer;178 }179 //单击显示保存180 private void btn_ShowSave_Click(object sender, EventArgs e)181 {182 if (Check())183 {184 List xjPointList = GetPoint(txt_TxtPath.Text);185 if (xjPointList == null)186 {187 MessageBox.Show("选择文件是空的！");188 }189 else190 {191 IFeatureLayer pFeatureLayer = CreateShpFromPoints(xjPointList, txt_ShpPath.Text);192 //MainForm.m_mapControl.Map.AddLayer(pFeatureLayer);193 }194 }195 MessageBox.Show("完成！");196 }197 }198 }199 200 Formtxt2shp.cs