public static void Run()
{
//ExStart: SpecifyNamesOfObjectIdAndGeometryFields
var path = RunExamples.GetDataDir() + "NamesOfObjectIdAndGeometryFields_out.gdb";
using (var dataset = Dataset.Create(path, Drivers.FileGdb))
{
var options = new FileGdbOptions
{
// name object ID field 'OID' rather than the default 'OBJECTID'.
ObjectIdFieldName = "OID",
// name geometry field 'POINT' rather than the default 'SHAPE'.
GeometryFieldName = "POINT",
};
using (var layer = dataset.CreateLayer("layer_name", options, SpatialReferenceSystem.Wgs84))
{
var feature = layer.ConstructFeature();
feature.Geometry = new Point(12.32, 34.21);
layer.Add(feature);
}
using (var layer = dataset.OpenLayer("layer_name"))
{
var feature = layer[0];
Console.WriteLine(feature.GetValue <int>("OID")); // 1
}
}
//ExEnd: SpecifyNamesOfObjectIdAndGeometryFields
}
public static void Run()
{
//ExStart: SpecifyPrecisionGridForFileGdbLayer
var path = RunExamples.GetDataDir() + "PrecisionGrid_out.gdb";
using (var dataset = Dataset.Create(path, Drivers.FileGdb))
{
var options = new FileGdbOptions
{
// specify coordinate precision grid parameters (origins and scales for coordinates)
CoordinatePrecisionGrid = new FileGdbCoordinatePrecisionGrid
{
// all our coordinates must be more than (-400, -400) point
XOrigin = -400,
YOrigin = -400,
// the write precision is 10 digits after the decimal point
XYScale = 1e10,
// M values are started at 0 and precision is 4 digits after the decimal point
MOrigin = 0,
MScale = 1e4,
},
// throw whenever an attempt to write coordinate that does not fit precision grid is detected
EnsureValidCoordinatesRange = true,
};
using (var layer = dataset.CreateLayer("layer_name", options, SpatialReferenceSystem.Wgs84))
{
var feature = layer.ConstructFeature();
feature.Geometry = new Point(10, 20)
{
M = 10.1282
};
layer.Add(feature);
feature = layer.ConstructFeature();
// X == -410 is less than XOrigin, so an exception is thrown
feature.Geometry = new Point(-410, 0)
{
M = 20.2343
};
try
{
layer.Add(feature);
}
catch (GisException e)
{
Console.WriteLine(e.Message); // X value -410 is out of valid range.
}
}
}
//ExEnd: SpecifyPrecisionGridForFileGdbLayer
}
public static string CreateDataset(string input)
{
try
{
Dataset.Create(input);
}
catch (Exception e)
{
return(e.Message);
}
return("Dataset Created!");
}
private void FormInitialize()
{
_ds = new DataSet();
TimeForNowLb.Text = @"Сегодня: " +
DateTime.Today.ToShortDateString();
if (!File.Exists("chek.xml"))
{
Dataset.Create("chek.xml");
}
_ds.ReadXml("chek.xml", XmlReadMode.ReadSchema);
dataGridView1.DataSource = _ds.Tables["Чеки"];
}
public static void Run()
{
//ExStart: SpecifyTolerancesForFileGdbLayer
var path = RunExamples.GetDataDir() + "TolerancesForFileGdbLayer_out.gdb";
using (var dataset = Dataset.Create(path, Drivers.FileGdb))
{
var options = new FileGdbOptions
{
XYTolerance = 0.001,
ZTolerance = 0.1,
MTolerance = 0.1,
};
using (var layer = dataset.CreateLayer("layer_name", options))
{
// layer is created with the provided tolerances and some ArcGIS features/tools will use it
}
}
//ExEnd: SpecifyTolerancesForFileGdbLayer
}
public static void Run()
{
//ExStart: CreateFileGdbDataset
Console.WriteLine(Drivers.FileGdb.CanCreateDatasets); // True
var path = RunExamples.GetDataDir() + "CreateFileGdbDataset_out.gdb";
using (var dataset = Dataset.Create(path, Drivers.FileGdb))
{
Console.WriteLine(dataset.LayersCount); // 0
using (var layer = dataset.CreateLayer("layer_1"))
{
layer.Attributes.Add(new FeatureAttribute("value", AttributeDataType.Integer));
for (int i = 0; i < 10; ++i)
{
var feature = layer.ConstructFeature();
feature.SetValue("value", i);
feature.Geometry = new Point(i, i);
layer.Add(feature);
}
}
using (var layer = dataset.CreateLayer("layer_2"))
{
var feature = layer.ConstructFeature();
feature.Geometry = new LineString(new[]
{
new Point(1, 2),
new Point(3, 4),
});
layer.Add(feature);
}
Console.WriteLine(dataset.LayersCount); // 2
}
//ExEnd: CreateFileGdbDataset
}
