/// <summary>
/// Generates GeoJson for the given geometry collection.
/// </summary>
/// <param name="writer"></param>
/// <param name="geometryCollection"></param>
internal static void Write(JsonWriter writer, GeometryCollection geometryCollection)
{
if (writer == null) { throw new ArgumentNullException("writer"); }
if (geometryCollection == null) { throw new ArgumentNullException("geometryCollection"); }
writer.WriteStartObject();
writer.WritePropertyName("type");
writer.WriteValue("GeometryCollection");
writer.WritePropertyName("geometries");
writer.WriteStartArray();
foreach (var geometry in geometryCollection)
{
GeoJsonConverter.Write(writer, geometry);
}
writer.WriteEndArray();
writer.WriteEndObject();
}
/// <summary>
/// Generates GeoJson for the given geometry.
/// </summary>
/// <param name="writer"></param>
/// <param name="geometry"></param>
/// <returns></returns>
internal static void Write(JsonWriter writer, Polygon geometry)
{
if (writer == null) { throw new ArgumentNullException("writer"); }
if (geometry == null) { throw new ArgumentNullException("geometry"); }
writer.WriteStartObject();
writer.WritePropertyName("type");
writer.WriteValue("Polygon");
writer.WritePropertyName("coordinates");
writer.WriteStartArray();
writer.WriteStartArray();
foreach (var coordinate in geometry.Ring.Coordinates)
{
writer.WriteStartArray();
writer.WriteValue(coordinate.Longitude);
writer.WriteValue(coordinate.Latitude);
writer.WriteEndArray();
}
writer.WriteEndArray();
foreach(var hole in geometry.Holes)
{
writer.WriteStartArray();
foreach (var coordinate in hole.Coordinates)
{
writer.WriteStartArray();
writer.WriteValue(coordinate.Longitude);
writer.WriteValue(coordinate.Latitude);
writer.WriteEndArray();
}
writer.WriteEndArray();
}
writer.WriteEndArray();
writer.WriteEndObject();
}
/// <summary>
/// Generates GeoJson for the given geometry.
/// </summary>
/// <param name="writer"></param>
/// <param name="geometry"></param>
/// <returns></returns>
internal static void Write(JsonWriter writer, Point geometry)
{
if (writer == null) { throw new ArgumentNullException("writer"); }
if (geometry == null) { throw new ArgumentNullException("geometry"); }
writer.WriteStartObject();
writer.WritePropertyName("type");
writer.WriteValue("Point");
writer.WritePropertyName("coordinates");
writer.WriteStartArray();
writer.WriteValue(geometry.Coordinate.Longitude);
writer.WriteValue(geometry.Coordinate.Latitude);
writer.WriteEndArray();
writer.WriteEndObject();
}
/// <summary>
/// Generates GeoJson for the given geometry collection.
/// </summary>
/// <param name="writer"></param>
/// <param name="geometryCollection"></param>
internal static void Write(JsonWriter writer, MultiLineString geometryCollection)
{
if (writer == null) { throw new ArgumentNullException("writer"); }
if (geometryCollection == null) { throw new ArgumentNullException("geometryCollection"); }
writer.WriteStartObject();
writer.WritePropertyName("type");
writer.WriteValue("MultiLineString");
writer.WritePropertyName("coordinates");
writer.WriteStartArray();
foreach (var geometry in geometryCollection)
{
writer.WriteStartArray();
foreach (var coordinate in geometry.Coordinates)
{
writer.WriteStartArray();
writer.WriteValue(coordinate.Longitude);
writer.WriteValue(coordinate.Latitude);
writer.WriteEndArray();
}
writer.WriteEndArray();
}
writer.WriteEndArray();
writer.WriteEndObject();
}
/// <summary>
/// Generates GeoJson for the given attribute collection.
/// </summary>
/// <param name="writer"></param>
/// <param name="attributes"></param>
internal static void Write(JsonWriter writer, GeometryAttributeCollection attributes)
{
if (writer == null) { throw new ArgumentNullException("writer"); }
if (attributes == null) { throw new ArgumentNullException("attributes"); }
writer.WriteStartObject();
foreach (var attribute in attributes)
{
writer.WritePropertyName(attribute.Key);
writer.WriteValue(attribute.Value);
}
writer.WriteEndObject();
}
/// <summary>
/// Generates GeoJson for the given feature.
/// </summary>
/// <param name="writer"></param>
/// <param name="feature"></param>
internal static void Write(JsonWriter writer, Feature feature)
{
if (writer == null) { throw new ArgumentNullException("writer"); }
if (feature == null) { throw new ArgumentNullException("feature"); }
writer.WriteStartObject();
writer.WritePropertyName("type");
writer.WriteValue("Feature");
writer.WritePropertyName("properties");
GeoJsonConverter.Write(writer, feature.Attributes);
writer.WritePropertyName("geometry");
GeoJsonConverter.Write(writer, feature.Geometry);
writer.WriteEndObject();
}
/// <summary>
/// Generates GeoJson for the given feature collection.
/// </summary>
/// <param name="writer"></param>
/// <param name="featureCollection"></param>
internal static void Write(JsonWriter writer, FeatureCollection featureCollection)
{
if (writer == null) { throw new ArgumentNullException("writer"); }
if (featureCollection == null) { throw new ArgumentNullException("featureCollection"); }
writer.WriteStartObject();
writer.WritePropertyName("type");
writer.WriteValue("FeatureCollection");
writer.WritePropertyName("features");
writer.WriteStartArray();
foreach(var feature in featureCollection)
{
GeoJsonConverter.Write(writer, feature);
}
writer.WriteEndArray();
writer.WriteEndObject();
}
/// <summary>
/// Generates GeoJson for the given attribute collection.
/// </summary>
/// <param name="writer"></param>
/// <param name="attributes"></param>
internal static void Write(JsonWriter writer, GeometryAttributeCollection attributes)
{
if (writer == null) { throw new ArgumentNullException("writer"); }
if (attributes == null) { throw new ArgumentNullException("attributes"); }
writer.WriteStartObject();
var keys = new HashSet<string>();
foreach (var attribute in attributes)
{
if (!keys.Contains(attribute.Key))
{
writer.WritePropertyName(attribute.Key);
writer.WriteValue(attribute.Value);
keys.Add(attribute.Key);
}
}
writer.WriteEndObject();
}