ToNtsFeature(this CoreSpatial.IFeature feature, List <string> fieldNames)
{
NetTopologySuite.Geometries.Geometry geometry = null;
var geo = feature.Geometry;
switch (geo.GeometryType)
{
case GeometryType.Point:
{
var basicGeometry = (GeoPoint)geo.BasicGeometry;
geometry = (NetTopologySuite.Geometries.Geometry)ToNtsPoint(basicGeometry);
break;
}
case GeometryType.MultiPoint:
{
var basicGeometry = (CoreSpatial.BasicGeometrys.MultiPoint)geo.BasicGeometry;
geometry = ToNtsMultiPoint(basicGeometry);
break;
}
case GeometryType.PolyLine:
{
var basicGeometry = (CoreSpatial.BasicGeometrys.PolyLine)geo.BasicGeometry;
geometry = basicGeometry.IsLineRing ? ToNtsLinearRing(basicGeometry) : ToNtsLineString(basicGeometry);
break;
}
case GeometryType.MultiPolyLine:
{
var basicGeometry = (CoreSpatial.BasicGeometrys.MultiPolyLine)geo.BasicGeometry;
geometry = ToNtsMultiLineString(basicGeometry);
break;
}
case GeometryType.Polygon:
{
var basicGeometry = (CoreSpatial.BasicGeometrys.Polygon)geo.BasicGeometry;
geometry = ToNtsPolygon(basicGeometry);
break;
}
default:
throw new Exception("not support GeometryType");
}
var attrTable = feature.ToNtsAttributeTable(fieldNames);
var result = new NetTopologySuite.Features.Feature(geometry, attrTable);
return(result);
}
private static IAttributesTable ToNtsAttributeTable(this CoreSpatial.IFeature feature, List <string> fieldNames)
{
var attrDict = new Dictionary <string, object>();
var dataRow = feature.DataRow;
for (int i = 0; i < fieldNames.Count; i++)
{
var val = dataRow[i];
attrDict.Add(fieldNames[i], val);
}
IAttributesTable result = new AttributesTable(attrDict);
return(result);
}
