/// <summary>
/// Converts GeometryCollection to WKT format and appends WKT representation to the output stream.
/// </summary>
/// <param name="collection">The GeometryCollection be converted.</param>
/// <param name="writer">The output Stream to Append WKT representation to.</param>
private static void AppendGeometryCollectionTaggedText(IGeometryCollection <IGeometry> collection, TextWriter writer)
{
writer.Write("geometrycollection ");
string dimension = WktWriter.GetDimensionText(collection);
if (string.IsNullOrEmpty(dimension) == false)
{
writer.Write(dimension);
writer.Write(" ");
}
WktWriter.AppendGeometryCollectionText(collection, writer);
}