static void Main(string[] args)
{
var p1 = new EarthPoint(77.1539, -139.398);
var p2 = new EarthPoint(-77.1804, -139.55);
var r = p1.DistanceTo(p2);
String GpxPath = args[0];
String TxtPath = args[1];
var gpx = XDocument.Load(GpxPath).Root;
var EarthPoints =
gpx.Element("trk").Element("trkseg")
.Elements("trkpt")
.Select(XPoint =>
new EarthPoint((Double)XPoint.Attribute("lat"), (Double)XPoint.Attribute("lon")))
.ToList();
using (TextWriter tw = new StreamWriter(TxtPath))
{
EarthPoint prewPoint = null;
double x = 0;
foreach (var p in EarthPoints)
{
if (prewPoint != null)
{
x += p.DistanceTo(prewPoint);
}
prewPoint = p;
var s = string.Format(System.Globalization.CultureInfo.InvariantCulture.NumberFormat,
"{{ {0:F6}, {1:F6}, {2:F0} }},", p.Latitude, p.Longitude, x);
tw.WriteLine(s);
Console.WriteLine(s);
}
}
Console.ReadLine();
}