public string Write(Guid listGuid)
{
string kml = string.Empty;
Serializer serializer = new Serializer();
Kml _kml = new Kml();
Folder folder = new Folder();
UseWeb(spWeb =>
{
SPList list = spWeb.Lists.GetList(listGuid, true);
SPField field = list.GetGeoField();
if (field != null)
{
foreach (SPListItem item in list.Items)
{
string wkt = item[field.Id] as string;
SimpleWKTReader wktReader = new SimpleWKTReader();
var simpleGeometry = wktReader.Parse(wkt);
if (simpleGeometry.GeometryType == GeometryTypes.Point)
{
var _point = (OpenSMIL.Server.SimpleFeature.GeomtryTypes.Point)simpleGeometry;
SharpKml.Dom.Point point = new SharpKml.Dom.Point();
point.Coordinate = new Vector(_point.Lat, _point.Lon);
Placemark placemark = CreatePlaceMark(item.Title, point);
folder.AddFeature(placemark);
}
else if (simpleGeometry.GeometryType == GeometryTypes.LineString)
{
var _lineString = (OpenSMIL.Server.SimpleFeature.GeomtryTypes.LineString)simpleGeometry;
SharpKml.Dom.LineString line = new SharpKml.Dom.LineString();
line.Coordinates = CreateCoordinateCollection(_lineString.Points);
Placemark placeMark = CreatePlaceMark(item.Title, line);
folder.AddFeature(placeMark);
}
else if (simpleGeometry.GeometryType == GeometryTypes.Polygon)
{
var _polygon = (OpenSMIL.Server.SimpleFeature.GeomtryTypes.Polygon)simpleGeometry;
OuterBoundary outerBoundary = new OuterBoundary();
outerBoundary.LinearRing = new LinearRing();
outerBoundary.LinearRing.Coordinates = CreateCoordinateCollection(_polygon.Points);
SharpKml.Dom.Polygon polygon = new SharpKml.Dom.Polygon();
polygon.OuterBoundary = outerBoundary;
polygon.Extrude = true;
Placemark placeMark = CreatePlaceMark(item.Title, polygon);
folder.AddFeature(placeMark);
}
}
_kml.Feature = folder;
}
});
serializer.Serialize(_kml);
return serializer.Xml;
}
private SimpleFeature.GeomtryTypes.Point GetPoint(string wkt)
{
OpenSMIL.Server.SimpleFeature.IO.SimpleWKTReader wktReader = new SimpleWKTReader();
ISimpleGeometry geometry = wktReader.Parse(wkt);
return geometry.Centroid;
}