public static double GetLength(GeographyLineString line)
{
if (line == null)
{
throw new ArgumentNullException("line");
}
return line.Length().Value;
}
/// <summary>
/// Sends the current spatial object to the given pipeline with a figure that represents this LineString
/// </summary>
/// <param name="lineString">GeographyLineString instance to serialize.</param>
/// <param name="pipeline">The pipeline to populate to</param>
internal static void SendFigure(this GeographyLineString lineString, GeographyPipeline pipeline)
{
ReadOnlyCollection <GeographyPoint> points = lineString.Points;
for (int i = 0; i < points.Count; ++i)
{
if (i == 0)
{
pipeline.BeginFigure(new GeographyPosition(points[i].Latitude, points[i].Longitude, points[i].Z, points[i].M));
}
else
{
pipeline.LineTo(new GeographyPosition(points[i].Latitude, points[i].Longitude, points[i].Z, points[i].M));
}
}
if (points.Count > 0)
{
pipeline.EndFigure();
}
}
static ODataSpatialTypeUtil()
{
// Geometry type values.
GeometryValue = GeometryFactory.Point(32.0, -10.0).Build();
GeometryPointValue = GeometryFactory.Point(33.1, -11.0).Build();
GeometryLineStringValue = GeometryFactory.LineString(33.1, -11.5).LineTo(35.97, -11).Build();
GeometryPolygonValue = GeometryFactory.Polygon().Ring(33.1, -13.6).LineTo(35.97, -11.15).LineTo(11.45, 87.75).Ring(35.97, -11).LineTo(36.97, -11.15).LineTo(45.23, 23.18).Build();
GeometryCollectionValue = GeometryFactory.Collection().Point(-19.99, -12.0).Build();
GeometryMultiPointValue = GeometryFactory.MultiPoint().Point(10.2, 11.2).Point(11.9, 11.6).Build();
GeometryMultiLineStringValue = GeometryFactory.MultiLineString().LineString(10.2, 11.2).LineTo(11.9, 11.6).LineString(16.2, 17.2).LineTo(18.9, 19.6).Build();
GeometryMultiPolygonValue = GeometryFactory.MultiPolygon().Polygon().Ring(10.2, 11.2).LineTo(11.9, 11.6).LineTo(11.45, 87.75).Ring(16.2, 17.2).LineTo(18.9, 19.6).LineTo(11.45, 87.75).Build();
// Geography type values.
GeographyValue = GeographyFactory.Point(32.0, -100.0).Build();
GeographyPointValue = GeographyFactory.Point(33.1, -110.0).Build();
GeographyLineStringValue = GeographyFactory.LineString(33.1, -110.0).LineTo(35.97, -110).Build();
GeographyPolygonValue = GeographyFactory.Polygon().Ring(33.1, -110.0).LineTo(35.97, -110.15).LineTo(11.45, 87.75).Ring(35.97, -110).LineTo(36.97, -110.15).LineTo(45.23, 23.18).Build();
GeographyCollectionValue = GeographyFactory.Collection().Point(-19.99, -12.0).Build();
GeographyMultiPointValue = GeographyFactory.MultiPoint().Point(10.2, 11.2).Point(11.9, 11.6).Build();
GeographyMultiLineStringValue = GeographyFactory.MultiLineString().LineString(10.2, 11.2).LineTo(11.9, 11.6).LineString(16.2, 17.2).LineTo(18.9, 19.6).Build();
GeographyMultiPolygonValue = GeographyFactory.MultiPolygon().Polygon().Ring(10.2, 11.2).LineTo(11.9, 11.6).LineTo(11.45, 87.75).Ring(16.2, 17.2).LineTo(18.9, 19.6).LineTo(11.45, 87.75).Build();
}
public bool Equals(GeographyLineString other)
{
return(this.BaseEquals(other) ?? this.Points.SequenceEqual(other.Points));
}
public bool Equals(GeographyLineString other)
{
return this.BaseEquals(other) ?? this.Points.SequenceEqual(other.Points);
}
/// <summary>
/// Writes out a GeographyLineString value in geojson format.
/// {
/// "__metadata": {"type": "Edm.GeographyLineString"},
/// { "type" :"LineString",
/// "coordinates": { [-122.1202778,47.6741667] } ,
/// "crs":{"type":"name","properties":{"name":"EPSG:4326"}}
/// }
/// }
/// </summary>
/// <param name="geographyLineStringValue">The geography value to serialize into Json</param>
/// <param name="writer">The Json writer being used to write out a Json payload</param>
private static void WriteGeographyLineString(GeographyLineString lineString, JsonWriter writer)
{
// {
writer.StartObjectScope();
// "__metadata":
writer.WriteName(JsonMetadataString);
// {
writer.StartObjectScope();
// "type"
writer.WriteName(JsonTypeString);
// "Edm.GeographyLineString"
writer.WriteValue(Gml_Edm_GeographyLineStringName);
// }
writer.EndScope();
// "type":"LineString",
writer.WriteName(JsonTypeString);
writer.WriteValue(GmlLineString);
// "coordinates":
writer.WriteName(JsonCoOrdinatesString);
// [
writer.StartArrayScope();
foreach (var point in lineString.Points)
{
WritePointCoordinates(writer, point);
}
// ]
writer.EndScope();
// "crs": {"type": "name", "properties": {"name": "EPSG:4326"}}
WriteCrsElement(writer, lineString.CoordinateSystem.EpsgId);
// }
writer.EndScope();
}
