新建shape文件——创建FeatureClass存储为shape文件

Posted 2020-08-07

1 /// <summary>创建点shapefile
2 /// </summary>
3 /// <param name="filePath">target point shapefile path</param>
4 /// <param name="fileName">target point shapefile name</param>
5 public static void createPointShapefile(IMap map, string filePath, string fileName)
6 {
7   //建立shape字段
8　　IFields pFields = new FieldsClass();
9   IFieldsEdit pFieldsEdit = pFields as IFieldsEdit;
10  IField pField = new FieldClass();
11  IFieldEdit pFieldEdit = pField as IFieldEdit;
12  pFieldEdit.Name_2 = "Shape";
13  pFieldEdit.Type_2 = esriFieldType.esriFieldTypeGeometry;
14 
15  //设置geometry definition
16  IGeometryDef pGeometryDef = new GeometryDefClass();
17  IGeometryDefEdit pGeometryDefEdit = pGeometryDef as IGeometryDefEdit;
18  pGeometryDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPoint;//点、线、面
19  pGeometryDefEdit.SpatialReference_2 = map.SpatialReference;
20  pFieldEdit.GeometryDef_2 = pGeometryDef;
21  pFieldsEdit.AddField(pField);
22 
23  //新建字段
24  pField = new FieldClass();
25  pFieldEdit = pField as IFieldEdit;
26  pFieldEdit.Length_2 = 10;
27  pFieldEdit.Name_2 = "id";
28  pFieldEdit.AliasName_2 = "id";
29  pFieldEdit.Type_2 = esriFieldType.esriFieldTypeSmallInteger;
30  pFieldsEdit.AddField(pField);
31  //继续增加其它字段
32 
33  IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactory();
34  IFeatureWorkspace pFeatureWorkspace = pWorkspaceFactory.OpenFromFile(filePath, 0) as IFeatureWorkspace;
35 
36  //IWorkspaceFactory pWorkspaceFactory = new FileGDBWorkspaceFactoryClass();
37  //IFeatureWorkspace pFeatureWorkspace = pWorkspaceFactory.OpenFromFile(filePath, 0) as IFeatureWorkspace;
38 
39  int i = fileName.IndexOf(".shp");
40  if (i == -1)
41    pFeatureWorkspace.CreateFeatureClass(fileName + ".shp", pFields, null, null, esriFeatureType.esriFTSimple, "Shape", "");
42  else
43    pFeatureWorkspace.CreateFeatureClass(fileName, pFields, null, null, esriFeatureType.esriFTSimple, "Shape", "");
44 
45 //MessageBox.Show("OK");
46 
47 }