public double GetHorizontalDistance(Trackpoint b)
{
var climb = GetClimb(b);
var distance = GetDistance(b);
if (Math.Abs(climb) < 0.0001)
{
return(distance);
}
var factor = climb / distance;
// This should not happen in correct (precise) GPX files
if (factor > 1)
{
Debug.WriteLine("The GPX file has to steep sections - it's probably faulty");
factor = 1;
}
if (factor < -1)
{
Debug.WriteLine("The GPX file has to steep sections - it's probably faulty");
factor = -1;
}
return(climb / Math.Tan(Math.Asin(factor)));
}
public double GetClimb(Trackpoint b) => b.Coordinate.Altitude - Coordinate.Altitude;
public double GetSlope(Trackpoint b) => GetClimb(b) / GetHorizontalDistance(b);
public double GetDistance(Trackpoint b) => Coordinate.GetDistanceTo(b.Coordinate);