/// <summary>
/// Method to generate series data for an activity
/// </summary>
/// <param name="t">List of activity waypoints</param>
/// <param name="i">Series interval</param>
/// <returns>List of values</returns>
public List <double> GenerateSeriesData(List <TimeLine> t, double i)
{
List <TimeLine> timeLines = t;
List <double> seriesData = new List <double>();
double interval = i;
double initialDistance = Calculations.Instance.CalcTotalDistance(t);
if (timeLines.Count > 0) //Check there is timeline data for the activity
{
//timespan used to find difference between start and end times
DateTime startTime = timeLines[0].ReadingTime;
double totalDistance = 0;
DateTime endTime = new DateTime(01, 01, 01, 00, 00, 00);
TimeSpan totalTime = (timeLines[timeLines.Count - 1].ReadingTime - startTime);
if (totalTime.TotalMinutes <= interval) //Check if activity is less than interval
{
totalDistance = initialDistance;
seriesData.Add(initialDistance);
}
else //activity greater than interval, lets get splitting
{
for (int y = 0; y < timeLines.Count - 1; y++)
{
TimeSpan ts = (timeLines[y + 1].ReadingTime - startTime);
if (ts.TotalMinutes <= interval)
{
HaversineDistance dist = new HaversineDistance(timeLines[y].Latitude, timeLines[y].Longitude, timeLines[y + 1].Latitude, timeLines[y + 1].Longitude);
totalDistance = totalDistance + dist.DistanceInMtr();
endTime = timeLines[y + 1].ReadingTime;
}
else
{
seriesData.Add(totalDistance);
//reset counters
totalDistance = 0;
startTime = timeLines[y].ReadingTime;
}
//if end of list reached before end of interval
if (ts.TotalMinutes <= interval && y == timeLines.Count - 2)
{
seriesData.Add(totalDistance);
}
}
}
}
return(seriesData);
}
/// <summary>
/// Method to calculate the sum of distances for an activity
/// </summary>
/// <param name="t">List of Timelines</param>
/// <returns>double, total distance</returns>
public double CalcTotalDistance(List <TimeLine> t)
{
double td = 0.0;
//calculate sum of distance covered
for (int i = 0; i < t.Count() - 1; i++)
{
double p1Lat = t[i].Latitude;
double p1Lon = t[i].Longitude;
double p2Lat = t[i + 1].Latitude;
double p2Lon = t[i + 1].Longitude;
HaversineDistance hd = new HaversineDistance(p1Lat, p1Lon, p2Lat, p2Lon);
double d = hd.DistanceInMtr();
td = td + d;
}
return(td);
}
