/// <summary>
/// Writes the Geometry object to the string in WKT format.
/// </summary>
/// <param name="geometry">The Geometry to be written.</param>
/// <returns>The WKT representation of the Geometry.</returns>
public static string WriteToString(IGeometry geometry)
{
StringWriter tw = new StringWriter(System.Globalization.CultureInfo.InvariantCulture);
WktWriter.Write(geometry, tw);
return(tw.ToString());
}
/// <summary>
/// Converts GeometryCollection's content to WKT format and appends WKT representation to the output stream.
/// </summary>
/// <param name="collection">The GeometryCollection to be converted.</param>
/// <param name="writer">The output Stream to Append WKT representation to.</param>
private static void AppendGeometryCollectionText(IGeometryCollection <IGeometry> collection, TextWriter writer)
{
if (collection.Geometries.Count() == 0)
{
writer.Write("empty");
}
else
{
writer.Write("(");
WktWriter.Write(collection.Geometries.First(), writer);
foreach (var geometry in collection.Geometries.Skip(1))
{
writer.Write(",");
WktWriter.Write(geometry, writer);
}
writer.Write(")");
}
}
/// <summary>
/// Writes the Geometry object in the WKT format to the output.
/// </summary>
/// <param name="geometry">The geometry to write.</param>
public void Write(IGeometry geometry)
{
WktWriter.Write(geometry, _writer);
}
private void TestWriteGeometry(IGeometry geometry, string expectedWkt)
{
MemoryStream stream = new MemoryStream();
using (WktWriter writer = new WktWriter(stream, new WktWriterSettings())) {
writer.Write(geometry);
}
using (TextReader tr = new StreamReader(new MemoryStream(stream.ToArray()))) {
string wkt = tr.ReadToEnd();
Assert.Equal(expectedWkt, wkt, StringComparer.InvariantCultureIgnoreCase);
}
}