1  //1）获取道路的GroupID 2                 string dlId = ptm.FindGroupByName("道路"); 3                 IFeatureLayer66 featureLayer = null; 4                 string tShapeFileName = path + "out_feature_class.shp"; 5                 string tConnectionString = String.Format("FileName={0};TEPlugName=OGR;", tShapeFileName); 6                 featureLayer = sgworld.Creator.CreateFeatureLayer("clip_result", tConnectionString, dlId); 7                 //featureLayer.DataSourceInfo.ConnectionString = path + "out_feature_class.shp"; 8  9                 featureLayer.FeatureGroups.Polyline.SetProperty("Line Color", 16776960);10                 featureLayer.FeatureGroups.Polyline.SetProperty("Line Width", 10);11 12                 var featureLayerDataSource = featureLayer.DataSourceInfo;13                 //var cAttributes = cFeatureLayerDataSource.Attributes;14                 featureLayerDataSource.Attributes.ImportAll = true;15 16                 featureLayer.Streaming = false;17                 featureLayer.Load();18 19 20                 //2) 定位到道路21                 var cFlyToPos = featureLayer.Position.Copy();22                 cFlyToPos.Pitch = -89.0; // Set camera to look downward on polygon23                 //cFlyToPos.X = 10.50;24                 //cFlyToPos.Y = 47.50;25                 cFlyToPos.Distance = 3500;26                 sgworld.Navigate.FlyTo(cFlyToPos, ActionCode.AC_FLYTO);