public static GPXData LoadGPXFile(string fileString)
{
XDocument gpxDoc = XDocument.Parse(fileString);
XNamespace gpx = GetGpxNameSpace();
var metaData = new GPXMeta(gpxDoc.Root.Attribute("creator").ToString(), gpxDoc.Root.Attribute("version").ToString());
var waypoints = gpxDoc.Descendants(gpx + "wpt").Select(
waypoint => new GPXWaypoint(
Double.Parse(waypoint.Attribute("lat").Value),
Double.Parse(waypoint.Attribute("lon").Value),
DateTime.Parse(waypoint.Element(gpx + "time").Value),
waypoint.Element(gpx + "name") == null ? "" : waypoint.Element(gpx + "name").Value)
).ToList();
List <GPXTrackPoint> trackPoints = new List <GPXTrackPoint>();
bool hasExtentions = gpxDoc.Descendants(gpx + "trkpt").Elements("extentions").Any();
if (hasExtentions && gpxDoc.Descendants(gpx + "trkpt").Elements("extentions").Elements(gpx + "speed").Any())
{
trackPoints = gpxDoc.Descendants(gpx + "trkpt").Select(
trackpoint => new GPXTrackPoint(
Double.Parse(trackpoint.Attribute("lat").Value),
Double.Parse(trackpoint.Attribute("lon").Value),
DateTime.Parse(trackpoint.Element(gpx + "time").Value),
Double.Parse(trackpoint.Element(gpx + "extensions").Element(gpx + "speed").Value))
).ToList();
}
else
{
// Added check to see if time is null for each point
trackPoints = gpxDoc.Descendants(gpx + "trkpt").Select(
trackpoint => new GPXTrackPoint(
Double.Parse(trackpoint.Attribute("lat").Value),
Double.Parse(trackpoint.Attribute("lon").Value),
trackpoint.Element(gpx + "time") == null ? new DateTime() : DateTime.Parse(trackpoint.Element(gpx + "time").Value))
).ToList();
}
return(new GPXData(metaData, waypoints, trackPoints));
}
public GPXData(GPXMeta metadata, IList <GPXWaypoint> waypoints, IList <GPXTrackPoint> tracks)
{
MetaData = metadata;
WayPoints = waypoints;
TrackPoints = tracks;
}
