private static void ReadTrack(XmlReader reader, GpxReaderSettings settings, GpxVisitorBase visitor)
{
var element = (XElement)XNode.ReadFrom(reader);
var track = GpxTrack.Load(element, settings);
visitor.VisitTrack(track);
}
/// <summary>
/// Creates an <see cref="IMultiLineString"/> <see cref="Feature"/> that contains the same data
/// stored in a given <see cref="GpxTrack"/>.
/// </summary>
/// <param name="track">
/// The <see cref="GpxTrack"/> source.
/// </param>
/// <param name="geometryFactory">
/// The <see cref="IGeometryFactory"/> to use to create the <see cref="IMultiLineString"/>,
/// or <see langword="null"/> to create a new one to use on-the-fly using the current
/// <see cref="GeometryServiceProvider"/>.
/// </param>
/// <returns>
/// A <see cref="Feature"/> that contains the same data as <paramref name="track"/>.
/// </returns>
/// <exception cref="ArgumentNullException">
/// Thrown when <paramref name="track"/> is <see langword="null"/>
/// </exception>
/// <remarks>
/// The values of <see cref="Feature.Attributes"/> will be populated with the values of the
/// <see cref="GpxTrack"/> properties, even when <see langword="null"/>.
/// </remarks>
public static Feature ToFeature(GpxTrack track, IGeometryFactory geometryFactory)
{
if (track is null)
{
throw new ArgumentNullException(nameof(track));
}
if (geometryFactory is null)
{
geometryFactory = GeometryServiceProvider.Instance.CreateGeometryFactory();
}
// a track is an IMultiLineString feature.
var lineStrings = new ILineString[track.Segments.Length];
for (int i = 0; i < lineStrings.Length; i++)
{
lineStrings[i] = BuildLineString(track.Segments[i].Waypoints, geometryFactory);
}
var multiLineString = geometryFactory.CreateMultiLineString(lineStrings);
var attributes = new AttributesTable
{
{ nameof(track.Name), track.Name },
{ nameof(track.Comment), track.Comment },
{ nameof(track.Description), track.Description },
{ nameof(track.Source), track.Source },
{ nameof(track.Links), track.Links },
{ nameof(track.Number), track.Number },
{ nameof(track.Classification), track.Classification },
{ nameof(track.Segments), track.Segments },
{ nameof(track.Extensions), track.Extensions },
};
return(new Feature(multiLineString, attributes));
}
