public Activity LoadFile(string filePath)
{
Activity activity = new Activity();
XDocument doc = XDocument.Load(filePath);
var ns = doc.Root.GetDefaultNamespace();
var metadata = doc.Root.Element(XName.Get("metadata", ns.NamespaceName));
activity.StartTime = DateTimeOffset.Parse(metadata.Element(XName.Get("time", ns.NamespaceName)).Value);
var trackPoints = doc.Root.Element(XName.Get("trk", ns.NamespaceName))
.Element(XName.Get("trkseg", ns.NamespaceName));
foreach (var pointElement in trackPoints.Elements())
{
TrackPoint point = new TrackPoint();
var attr = pointElement.Attributes().ToList();
point.Lat = double.Parse(pointElement.Attribute("lat").Value);
point.Lon = double.Parse(pointElement.Attribute("lon").Value);
point.Elevation = double.Parse(pointElement.Element(XName.Get("ele", ns.NamespaceName)).Value);
point.Time = DateTimeOffset.Parse(pointElement.Element(XName.Get("time", ns.NamespaceName)).Value);
activity.Points.Add(point);
}
double activityDistance = Measurements.CalculateDistance(activity.Points);
Console.WriteLine(activityDistance);
return(activity);
}
public List <Activity> LoadFiles(List <string> fileNames)
{
//string[] fileNames = Directory.GetFiles(".\\activity\\");
double totalDistance = 0;
double totalElevationGain = 0;
List <Activity> activities = new List <Activity>();
foreach (string name in fileNames)
{
Console.WriteLine(name);
Activity activity = LoadFile(name);
totalDistance += Measurements.CalculateDistance(activity.Points);
totalElevationGain += CalculateElevationGain(activity.Points);
activities.Add(activity);
}
activities = activities.OrderBy(x => x.StartTime).ToList();
double discrepancy = 0.0;
double elevationGainDiscrepancy = 0.0;
for (int i = 0; i < activities.Count - 1; i++)
{
//check current activity with next activity last point - first point, for discrepances
TrackPoint current = activities[i].Points.Last();
TrackPoint next = activities[i + 1].Points.First();
var pointPair = new List <TrackPoint> {
current, next
};
double d = Measurements.CalculateDistance(pointPair);
double e = CalculateElevationGain(pointPair);
//skip the bus trip
if (d > 100)
{
continue;
}
if (d < 1)
{
continue;
}
discrepancy += d;
elevationGainDiscrepancy += e;
// add extra points at 1km intervals
int extraPoints = (int)Math.Round(discrepancy);
double latInc = (next.Lat - current.Lat) / (extraPoints + 1);
double lonInc = (next.Lon - current.Lon) / (extraPoints + 1);
//consider an average of 6 minutes per km
double minInc = 6.0;
for (int j = 0; j < extraPoints + 1; j++)
{
//add the new activity
TrackPoint n = new TrackPoint
{
Lat = current.Lat + latInc * j,
Lon = current.Lon + lonInc * j,
Elevation = next.Elevation,
Time = next.Time > current.Time.AddMinutes(minInc * j) ? current.Time.AddMinutes(minInc * j) : next.Time
};
activities[i].Points.Add(n);
}
}
Console.WriteLine($"Untracked distance: {discrepancy}");
Console.WriteLine($"Untracked elevation gain: {elevationGainDiscrepancy}");
totalDistance += discrepancy;
Console.WriteLine($"Total distance: {totalDistance}");
Console.WriteLine($"Total elevation gain: {totalElevationGain}");
return(activities);
}