agrobot_base/Exemplos/Aspose.GIS-for-.NET-master/Examples/CSharp/Layers/AddLayerToFileGdbDataset.cs

49 lines
1.6 KiB
C#

using Aspose.Gis;
using Aspose.Gis.Geometries;
using Aspose.Gis.SpatialReferencing;
using Aspose.GIS.Examples.CSharp;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Aspose.GIS_for.NET.Layers
{
class AddLayerToFileGdbDataset
{
public static void Run()
{
//ExStart: AddLayerToFileGdbDataset
// -- copy test dataset, to avoid modification of test data.
var path = RunExamples.GetDataDir() + "ThreeLayers.gdb";
var datasetPath = RunExamples.GetDataDir() + "AddLayerToFileGdbDataset_out.gdb";
RunExamples.CopyDirectory(path, datasetPath);
// --
using (var dataset = Dataset.Open(datasetPath, Drivers.FileGdb))
{
Console.WriteLine(dataset.CanCreateLayers); // True
using (var layer = dataset.CreateLayer("data", SpatialReferenceSystem.Wgs84))
{
layer.Attributes.Add(new FeatureAttribute("Name", AttributeDataType.String));
var feature = layer.ConstructFeature();
feature.SetValue("Name", "Name_1");
feature.Geometry = new Point(12.21, 23.123, 20, -200);
layer.Add(feature);
}
using (var layer = dataset.OpenLayer("data"))
{
Console.WriteLine(layer.Count); // 1
Console.WriteLine(layer[0].GetValue<string>("Name")); // "Name_1"
}
}
//ExEnd: AddLayerToFileGdbDataset
}
}
}