• ArcEngine创建ShapeFile文件2


    /*
    public IFeatureWorkspace OpenShpFeaWS(string strShapeFolder, string strShapeName)
    {

    IWorkspaceFactory pWSF = new ShapefileWorkspaceFactoryClass();
    IFeatureWorkspace pWS = (IFeatureWorkspace)pWSF.OpenFromFile(strShapeFolder, 0);

    return pWS;
    }

    public IFeatureWorkspace OpenMdbFeaWS(string strMdbPath)
    {
    string mdbfileName = System.IO.Path.GetFileNameWithoutExtension(strMdbPath); //test
    string fileName = System.IO.Path.GetFileName(strMdbPath);//返回文件名 test.mdb
    string fileDirectory = System.IO.Path.GetDirectoryName(strMdbPath);//返回文件目录 f://temp

    IWorkspaceFactory pWorkspaceFactory = new AccessWorkspaceFactoryClass();
    IWorkspaceName workspaceName = pWorkspaceFactory.Create(fileDirectory, mdbfileName, null, 0);
    IName name = workspaceName as IName;
    IWorkspace workspace = (IWorkspace)name.Open();
    //IFeatureWorkspace pFeWs = workspace as IFeatureWorkspace;

    //通过已有工作空间创建
    ESRI.ArcGIS.Geodatabase.IWorkspaceFactory wsf = new ESRI.ArcGIS.DataSourcesGDB.AccessWorkspaceFactory();
    ESRI.ArcGIS.Geodatabase.IFeatureWorkspace pFeWs = (ESRI.ArcGIS.Geodatabase.IFeatureWorkspace)wsf.OpenFromFile(strMdbPath, 0);

    return pFeWs;
    }

    public bool CreateMdbfile(string strMdbFileName)
    {
    if (!File.Exists(strMdbFileName))
    {
    string mdbfileName = System.IO.Path.GetFileNameWithoutExtension(strMdbFileName); //test
    string fileName = System.IO.Path.GetFileName(strMdbFileName);//返回文件名 test.mdb
    string fileDirectory = System.IO.Path.GetDirectoryName(strMdbFileName);//返回文件目录 f://temp
    if (mdbfileName == "") return false;
    IWorkspaceFactory workspaceFactory = new AccessWorkspaceFactoryClass();
    IWorkspaceName workspaceName = workspaceFactory.Create(fileDirectory, mdbfileName, null, 0);
    IName name = workspaceName as IName;
    IWorkspace workspace = (IWorkspace)name.Open();
    IFeatureWorkspace pFeWs = workspace as IFeatureWorkspace;

    return true;
    }
    else
    {
    return false;
    }

    }

    /// <summary>
    /// 创建要素集 konghuifang 20171017
    /// </summary>
    /// <param name="strGeoFolder"></param>
    /// <param name="pFeatureClassName"></param>
    /// <param name="wkt"></param>
    /// <returns></returns>
    public IFeatureClass CreateFeatureClass(string pFeatureClassName, string wkt, IFeatureWorkspace pWS)
    {

    //打开工作空间
    const string strShapeFieldName = "shape";

    //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;


    //创建类型为几何类型的字段
    pFieldEdit.Name_2 = strShapeFieldName;
    pFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;

    //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.

    //创建地理坐标系对象
    ISpatialReferenceFactory spatialReferenceFactory = new SpatialReferenceEnvironmentClass();
    ISpatialReference spatialReference = spatialReferenceFactory.CreateESRISpatialReferenceFromPRJFile(@"E: empSuzhou_1954_3_Degree_GK_CM_120E.prj");//.CreateGeographicCoordinateSystem((int)esriSRGeoCSType.esriSRGeoCS_WGS1984);

    if (wkt.ToUpper().Contains("POLYGON") || wkt.ToUpper().Contains("MULTIPOLYGON"))
    {

    IGeometryDefEdit pGeoDefEdit = (IGeometryDefEdit)pGeoDef;
    pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
    pGeoDefEdit.SpatialReference_2 = spatialReference;
    }

    else if (wkt.ToUpper().Contains("POLYLINE"))
    {
    IGeometryDefEdit pGeoDefEdit = (IGeometryDefEdit)pGeoDef;
    pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolyline;
    pGeoDefEdit.SpatialReference_2 = spatialReference;
    }

    else if (wkt.ToUpper().Contains("POINT"))
    {
    IGeometryDefEdit pGeoDefEdit = (IGeometryDefEdit)pGeoDef;
    pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPoint;
    pGeoDefEdit.SpatialReference_2 = spatialReference;
    }

    pFieldEdit.GeometryDef_2 = pGeoDef;
    pFieldsEdit.AddField(pField);

    //添加其他的字段
    pField = new FieldClass();
    pFieldEdit = (IFieldEdit)pField;
    pFieldEdit.Name_2 = "wkt";
    pFieldEdit.Type_2 = esriFieldType.esriFieldTypeString;
    pFieldsEdit.AddField(pField);

    IField pField2 = new FieldClass();
    IFieldEdit pFieldEdit2 = (IFieldEdit)pField2;
    pFieldEdit2.Type_2 = esriFieldType.esriFieldTypeOID;
    pFieldsEdit.AddField(pField2);

    IField pField3 = new FieldClass();
    IFieldEdit pFieldEdit3 = (IFieldEdit)pField3;
    pFieldEdit3.Name_2 = "str1";
    pFieldEdit3.Type_2 = esriFieldType.esriFieldTypeString;
    pFieldsEdit.AddField(pField3);

    IField pField4 = new FieldClass();
    IFieldEdit pFieldEdit4 = (IFieldEdit)pField4;
    pFieldEdit4.Name_2 = "str2";
    pFieldEdit4.Type_2 = esriFieldType.esriFieldTypeString;
    pFieldsEdit.AddField(pField4);

    //创建shapefile
    IFeatureClass pFeatureClss = pWS.CreateFeatureClass(pFeatureClassName, pFields, null, null, esriFeatureType.esriFTSimple, strShapeFieldName, "");

    return pFeatureClss;

    }

    */

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  • 原文地址:https://www.cnblogs.com/khfang/p/7685572.html
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