PIE SDK内存矢量数据的创建

 1     /// <summary>
 2         /// 创建内存矢量数据
 3         /// </summary>
 4         /// <param name="sender"></param>
 5         /// <param name="e"></param>
 6         private void toolStripButton_CreateMemShpData_Click(object sender, EventArgs e)
 7         { //1设置字段
 8             IField field1 = new Field("Name", FieldType.OFTString, 50, 1);
 9             field1.Name = "Name";
10             field1.AliasName = "名称";
11 
12             IField field2 = new Field("Level", FieldType.OFTInteger, 50, 1);
13             field2.Name = "Level";
14             field2.AliasName = "级别";
15 
16             //2添加字段
17             IFields fields = new Fields();
18             fields.AddField(field1);
19             fields.AddField(field2);
20 
21             //3创建空间参考信息
22             ISpatialReference spatialReference = SpatialReferenceFactory.CreateSpatialReference((int)PIE.Geometry.GeoCSType.GeoCSType_WGS1984);
23             //4创建矢量要素集
24             IFeatureDataset newFeatureDataset = DatasetFactory.CreateFeatureDataset("", fields, GeometryType.GeometryPoint, spatialReference, "MEM");
25 
26             #region 5添加point 信息
27             //A POINT
28             IFeature feature = newFeatureDataset.CreateNewFeature();
29             IPoint point = new PIE.Geometry.Point();
30             point.PutCoords(90, 45);
31             feature.Geometry = point as IGeometry;
32 
33             feature.FID = 02;
34             feature.SetValue(0, "A");
35             feature.SetValue(1, 2);
36 
37             //B POINT
38             IFeature feature2 = newFeatureDataset.CreateNewFeature();
39             IPoint point2 = new PIE.Geometry.Point();
40             point2.PutCoords(93, 40);
41             feature2.Geometry = point2 as IGeometry;
42 
43             feature2.FID = 01;
44             feature2.SetValue(0, "B");
45             feature2.SetValue(1, 3);
46             #endregion
47 
48             newFeatureDataset.Name = "LayerA";//设置图层的名称
49             //第一种方法
50    //IFeatureLayer featureLayer = LayerFactory.CreateDefaultFeatureLayer(newFeatureDataset);
51             //第二种方法
52             IFeatureLayer featureLayer = new FeatureLayer();
53            // IFeatureClass fClass = new FeatureClass(newFeatureDataset);
54             featureLayer.FeatureClass = new FeatureClass(newFeatureDataset);
55             featureLayer.FeatureClass.AddFeature(feature);
56             featureLayer.FeatureClass.AddFeature(feature2);
57 
58             mapControlMain.FocusMap.AddLayer(featureLayer as ILayer);          mapControlMain.PartialRefresh(ViewDrawPhaseType.ViewAll);
59         }