static public GpxFile Load (Stream stream)
{
XmlDocument xmlDoc = new XmlDocument ();
xmlDoc.Load(stream);
IGpxDataTranslator gpxDataTranslator = null;
switch (xmlDoc.DocumentElement.NamespaceURI)
{
case "http://www.topografix.com/GPX/1/1":
gpxDataTranslator = new Gpx11DataTranslator();
break;
case "http://www.topografix.com/GPX/1/0":
gpxDataTranslator = new Gpx10DataTranslator ();
break;
//throw new NotSupportedException ("GPX version 1.0 is currently not supported. Please use a 3rd party tool (like gpsbabel) to convert it to 1.1 format.");
default:
throw new ArgumentException("This is not a GPX file.");
}
// move back to the start of the stream
stream.Seek(0, SeekOrigin.Begin);
GpxFile gpxFile = new GpxFile ();
gpxDataTranslator.ReadGpxData(gpxFile, stream);
return gpxFile;
}
public void ReadGpxData(GpxFile gpxFile, Stream stream)
{
XmlSerializer serializer = new XmlSerializer(typeof(gpx));
gpx gpx = (gpx)serializer.Deserialize(stream);
if (gpx.trk != null)
{
foreach (gpxTrk trkType in gpx.trk)
{
Track track = new Track();
foreach (gpxTrkTrkseg trkseg in trkType.trkseg)
{
if (trkseg.trkpt.Length > 0)
{
TrackSegment segment = new TrackSegment();
foreach (gpxTrkTrksegTrkpt trkpt in trkseg.trkpt)
{
TrackPoint waypoint = ReadTrackPoint(trkpt);
segment.AddPoint(waypoint);
}
track.AddSegment(segment);
}
}
gpxFile.AddTrack(track);
}
}
if (gpx.wpt != null)
{
foreach (gpxWpt wptType in gpx.wpt)
{
TrackPoint waypoint = ReadWayoint(wptType);
gpxFile.AddWaypoint(waypoint);
}
}
if (gpx.rte != null)
{
foreach (gpxRte rteType in gpx.rte)
{
Track route = new Track();
if (rteType.rtept != null)
{
TrackSegment segment = new TrackSegment();
foreach (gpxRteRtept wptType in rteType.rtept)
{
TrackPoint waypoint = ReadRoutePoint(wptType);
segment.AddPoint(waypoint);
}
}
gpxFile.AddRoute(route);
}
}
}
public void WriteGpxData(GpxFile gpxFile, string fileName)
{
throw new System.NotImplementedException();
}
public void WriteGpxData(GpxFile gpxFile, string fileName)
{
gpxType gpx = new gpxType();
List <trkType> destTracks = new List <trkType>();
// tracks
foreach (Track track in gpxFile.Tracks)
{
List <trksegType> destSegments = new List <trksegType>();
foreach (TrackSegment segment in track.Segments)
{
trksegType destSegment = new trksegType();
List <wptType> destWaypoints = new List <wptType>();
foreach (TrackPoint point in segment.Points)
{
destWaypoints.Add(SaveTrackPoint(point));
}
destSegment.trkpt = destWaypoints.ToArray();
destSegments.Add(destSegment);
}
if (destSegments.Count > 0)
{
trkType destTrack = new trkType();
destTrack.trkseg = destSegments.ToArray();
destTracks.Add(destTrack);
}
}
if (destTracks.Count > 0)
{
gpx.trk = destTracks.ToArray();
}
// waypoints
List <wptType> destWaypoints2 = new List <wptType>();
foreach (TrackPoint waypoint in gpxFile.Waypoints)
{
destWaypoints2.Add(SaveTrackPoint(waypoint));
}
if (destWaypoints2.Count > 0)
{
gpx.wpt = destWaypoints2.ToArray();
}
// routes
List <rteType> destRoutes = new List <rteType>();
foreach (Track route in gpxFile.Routes)
{
List <wptType> destRoutePoints = new List <wptType>();
foreach (TrackSegment segment in route.Segments)
{
foreach (TrackPoint routePoint in segment.Points)
{
destRoutePoints.Add(SaveTrackPoint(routePoint));
}
}
if (destRoutePoints.Count > 0)
{
rteType destRoute = new rteType();
destRoute.rtept = destRoutePoints.ToArray();
destRoutes.Add(destRoute);
}
}
if (destRoutes.Count > 0)
{
gpx.rte = destRoutes.ToArray();
}
using (FileStream stream = File.Open(fileName, FileMode.Create))
{
XmlSerializer serializer = new XmlSerializer(typeof(gpxType));
serializer.Serialize(stream, gpx);
}
}
public void ReadGpxData(GpxFile gpxFile, Stream stream)
{
XmlSerializer serializer = new XmlSerializer(typeof(gpxType));
gpxType gpx = (gpxType)serializer.Deserialize(stream);
if (gpx.trk != null)
{
foreach (trkType trkType in gpx.trk)
{
Track track = new Track();
if (trkType.trkseg != null)
{
foreach (trksegType trksegType in trkType.trkseg)
{
if (trksegType.trkpt != null)
{
TrackSegment segment = new TrackSegment();
foreach (wptType wptType in trksegType.trkpt)
{
TrackPoint waypoint = ReadTrackPoint(wptType);
segment.AddPoint(waypoint);
}
track.AddSegment(segment);
}
}
}
gpxFile.AddTrack(track);
}
}
if (gpx.wpt != null)
{
foreach (wptType wptType in gpx.wpt)
{
TrackPoint waypoint = ReadTrackPoint(wptType);
gpxFile.AddWaypoint(waypoint);
}
}
if (gpx.rte != null)
{
foreach (rteType rteType in gpx.rte)
{
Track route = new Track();
if (rteType.rtept != null)
{
TrackSegment segment = new TrackSegment();
foreach (wptType wptType in rteType.rtept)
{
TrackPoint waypoint = ReadTrackPoint(wptType);
segment.AddPoint(waypoint);
}
route.AddSegment(segment);
}
gpxFile.AddRoute(route);
}
}
}
