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   源码介绍

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根据txt坐标点，自动生成点位shp文件。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.DataSourcesFile;
using ESRI.ArcGIS.Geometry;
using System.IO;

namespace GeneratePointUI
{
   public class GeneratePointDAL
    {
       public static void GeneratePoint(string fileName,string outPutPath,string prjFileName, List<PointInfoModel> allData)
       {
           string shapName = System.IO.Path.GetFileNameWithoutExtension(fileName) ".shp";
           string prjName = System.IO.Path.GetFileNameWithoutExtension(fileName) ".prj";
           string dbfName = System.IO.Path.GetFileNameWithoutExtension(fileName) ".dbf";
           string shxName = System.IO.Path.GetFileNameWithoutExtension(fileName) ".shx";
           string sbnName = System.IO.Path.GetFileNameWithoutExtension(fileName) ".sbn";
           string sbxName = System.IO.Path.GetFileNameWithoutExtension(fileName) ".sbx";


           //开始生成shp；

           string shpName = System.IO.Path.GetFileNameWithoutExtension(fileName);   //获取生成的矢量
           //打开shpfile的工作空间
           IWorkspaceFactory pWorkSpaceFac = new ShapefileWorkspaceFactoryClass();
           IFeatureWorkspace pFeatureWorkSpace = pWorkSpaceFac.OpenFromFile(outPutPath, 0) as IFeatureWorkspace;
           //开始添加属性字段
           IFields pFields = new FieldsClass();
           IFieldsEdit pFieldsEdit = (IFieldsEdit)pFields;
           //添加字段"OID"
           IField oidField = new FieldClass();
           IFieldEdit oidFieldEdit = (IFieldEdit)oidField;
           oidFieldEdit.Name_2 = "OID";
           oidFieldEdit.Type_2 = esriFieldType.esriFieldTypeOID;
           pFieldsEdit.AddField(oidField);

           //设置空间参考
           IGeometryDef geometryDef = SetSpatialReference(prjFileName);

           //添加字段“Shape”;
           IField geometryField = new FieldClass();
           IFieldEdit geometryFieldEdit = (IFieldEdit)geometryField;
           geometryFieldEdit.Name_2 = "Shape";
           geometryFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
           geometryFieldEdit.GeometryDef_2 = geometryDef;
           pFieldsEdit.AddField(geometryField);

           IField nameField = new FieldClass();
           IFieldEdit nameFieldEdit = (IFieldEdit)nameField;

           //添加字段“点号”
           nameField = new FieldClass();
           nameFieldEdit = (IFieldEdit)nameField;
           nameFieldEdit.Name_2 = "点号";
           nameFieldEdit.Type_2 = esriFieldType.esriFieldTypeString;
           pFieldsEdit.AddField(nameField);


           //添加字段“Xvalue”
           nameField = new FieldClass();
           nameFieldEdit = (IFieldEdit)nameField;
           nameFieldEdit.Name_2 = "Xvalue";
           nameFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
           pFieldsEdit.AddField(nameField);

           //添加字段“Yvalue”
           nameField = new FieldClass();
           nameFieldEdit = (IFieldEdit)nameField;
           nameFieldEdit.Name_2 = "Yvalue";
           nameFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
           pFieldsEdit.AddField(nameField);


           //添加字段“Hvalue”
           nameField = new FieldClass();
           nameFieldEdit = (IFieldEdit)nameField;
           nameFieldEdit.Name_2 = "Hvalue";
           nameFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
           pFieldsEdit.AddField(nameField);

         

           IFieldChecker fieldChecker = new FieldCheckerClass();
           IEnumFieldError enumFieldError = null;
           IFields validatedFields = null;
           fieldChecker.ValidateWorkspace = (IWorkspace)pFeatureWorkSpace;
           fieldChecker.Validate(pFields, out enumFieldError, out validatedFields);

           //在工作空间中生成FeatureClass;
           IFeatureClass pNewFeaCls = pFeatureWorkSpace.CreateFeatureClass(shpName, validatedFields, null, null, esriFeatureType.esriFTSimple, "Shape", "");

           SetValueTOFeature(pNewFeaCls, allData);

       }

       private static object pMissing = Type.Missing;
       private static void SetValueTOFeature(IFeatureClass pNewFeaCls, List<PointInfoModel> allData)
       {
           IGeometryCollection pGeometryCollection = new MultipointClass();
           foreach (PointInfoModel pim in allData)
           {

               IFeature feature = null;
               IPoint pt = new PointClass();

               pt.PutCoords(pim.yValue, pim.xValue);
               //GetGeo(pt);
               pGeometryCollection.AddGeometry(pt as IGeometry, ref pMissing, ref pMissing);
               feature = pNewFeaCls.CreateFeature();
               feature.Shape = pt as IGeometry;
               feature.set_Value(2, pim.pointName);
               feature.set_Value(3,pim.xValue);
               feature.set_Value(4, pim.yValue);
               feature.set_Value(5, pim.hValue);
               feature.Store();
           }


       }

       private static IGeometryDef SetSpatialReference(string prjFileName)
       {
           //设置生成图的空间坐标参考系统；
           IGeometryDef geometryDef = new GeometryDefClass();
           IGeometryDefEdit geometryDefEdit = (IGeometryDefEdit)geometryDef;
           geometryDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPoint;
           ISpatialReferenceFactory spatialReferenceFactory = new SpatialReferenceEnvironmentClass();
           ISpatialReference spatialReference1 = new UnknownCoordinateSystemClass();
           ISpatialReference spatialReference = spatialReferenceFactory.CreateESRISpatialReferenceFromPRJFile(prjFileName);

           ISpatialReferenceResolution spatialReferenceResolution = (ISpatialReferenceResolution)spatialReference;
           spatialReferenceResolution.ConstructFromHorizon();
           ISpatialReferenceTolerance spatialReferenceTolerance = (ISpatialReferenceTolerance)spatialReference;
           spatialReferenceTolerance.SetDefaultXYTolerance();
           geometryDefEdit.SpatialReference_2 = spatialReference;
           return geometryDef;
       }
       //设置点的空间参考系统
       private IPoint GetGeo(IPoint pt)
       {
           ISpatialReferenceFactory pFactory = new SpatialReferenceEnvironmentClass();
           IGeometry geo = (IGeometry)pt;
           geo.Project(pFactory.CreateGeographicCoordinateSystem((int)esriSRGeoCS3Type.esriSRGeoCS_Xian1980));
           return pt;
       }
    }
}