public T GeographyFromGeoJSON <T>(string input)
where T : class, ISpatial
{
var geoJsonConverter = new GeoJsonConverter <T>();
JsonTextReader reader = new JsonTextReader(new StringReader(input));
JsonSerializer serializer = new JsonSerializer();
var result = geoJsonConverter.ReadJson(reader, typeof(T), input, serializer);
return((T)result);
}
