public bool CreateLayer(string layerName, GeometryType geometryType, ISpatialReference projection = null, string creationOptions = "")
{
var shpType = GeometryHelper.GeometryType2ShpType(geometryType);
GeoProjection gp = null;
if (projection != null)
{
gp = projection.GetInternal();
}
return(_datasource.CreateLayer(layerName, shpType, gp, creationOptions));
}
public void CreateLayerSQLiteTest()
{
var ogrDatasource = new OgrDatasource();
try
{
var result = ogrDatasource.Open2(@"sqlite\onepoint.sqlite", true);
Assert.IsTrue(result, "Cannot open SQLite file: " + ogrDatasource.GdalLastErrorMsg);
var settings = new GlobalSettings {
OgrLayerForceUpdateMode = true
};
var capability = ogrDatasource.TestCapability(tkOgrDSCapability.odcCreateLayer);
Debug.WriteLine("odcCreateLayer: " + capability);
Assert.IsTrue(capability, "Cannot create layer");
var originalLayerCount = ogrDatasource.LayerCount;
var projection = new GeoProjection();
Assert.IsTrue(projection.SetWgs84(), "Cannot set projection");
var layerCreated = ogrDatasource.CreateLayer("Test", ShpfileType.SHP_POINT, projection, "OVERWRITE=YES");
Assert.IsTrue(layerCreated, "Cannot create layer");
Debug.WriteLine(ogrDatasource.GdalLastErrorMsg);
Assert.AreEqual(originalLayerCount + 1, ogrDatasource.LayerCount, "New layer isn't created");
Debug.WriteLine("GetLayerName: " + ogrDatasource.GetLayerName(ogrDatasource.LayerCount - 1));
var firstLayer = ogrDatasource.GetLayer(0);
Assert.IsNotNull(firstLayer, $"Could not get first layer: {ogrDatasource.GdalLastErrorMsg}");
// Get layer:
var newLayer = ogrDatasource.GetLayer(ogrDatasource.LayerCount - 1, true);
// var newLayer = ogrDatasource.GetLayerByName("test", true);
Assert.IsNotNull(newLayer, $"Could not get new layer: {ogrDatasource.GdalLastErrorMsg}");
// Add field:
var numFeatures = newLayer.FeatureCount[true];
Debug.WriteLine("numFeatures: " + numFeatures);
TestSQLiteLayers(ogrDatasource);
}
finally
{
if (ogrDatasource.LayerCount > 1)
{
ogrDatasource.DeleteLayer(ogrDatasource.LayerCount);
}
ogrDatasource.Close();
}
}