public void FromDecimalString_Distance_CLE_MOSCOW()
{
var cleveland = new LatLng("41.4868145,-81.6406292");
var moscow = new LatLng("55.7530361,37.6217305");
Console.WriteLine(cleveland);
Console.WriteLine(moscow);
var dist = cleveland.HaversineEarthDistanceKm(moscow);
Console.WriteLine(dist);
Assert.AreEqual(7786, (int)dist);
}
public void FromDecimalString_Distance_CLE_LA()
{
var cleveland = new LatLng("41.4868145,-81.6406292");
var losangeles = new LatLng("34.1610243,-117.9465513");
Console.WriteLine(cleveland);
Console.WriteLine(losangeles);
var dist = cleveland.HaversineEarthDistanceKm(losangeles);
Console.WriteLine(dist);
Assert.AreEqual(3265, (int)dist);
}
public void FromDecimalString_Distance_CLE_MELBOURNE()
{
var cleveland = new LatLng("41.4868145,-81.6406292");
var melbourne = new LatLng("-37.5210205,144.7461265");
Console.WriteLine(cleveland);
Console.WriteLine(melbourne);
var dist = cleveland.HaversineEarthDistanceKm(melbourne);
Console.WriteLine(dist);
Assert.AreEqual(16058, (int)dist);
}
public void FromDegreeString_ToString()
{
var cleveland = new LatLng("41°29'13'', -81°38'26''");
Console.WriteLine(cleveland);
Assert.AreEqual("41°29'13'', -81°38'26''", cleveland.ToString());
}
public void FromDegreeString_Distance_CLE_MOSCOW()
{
var cleveland = new LatLng("41°29'13'', -81°38'26''");
var moscow = new LatLng("55°45'11'', 37°37'18''");
Console.WriteLine(cleveland);
Console.WriteLine(moscow);
var dist = cleveland.HaversineEarthDistanceKm(moscow);
Console.WriteLine(dist);
Assert.AreEqual(7786, (int)dist);
}
public void FromDegreeString_Distance_CLE_MELBOURNE()
{
var cleveland = new LatLng("41°29'13'', -81°38'26''");
var melbourne = new LatLng("-37°31'16'', 144°44'46''");
Console.WriteLine(cleveland);
Console.WriteLine(melbourne);
var dist = cleveland.HaversineEarthDistanceKm(melbourne);
Console.WriteLine(dist);
Assert.AreEqual(16058, (int)dist);
}
public void FromDegreeString_Distance_CLE_LA()
{
var cleveland = new LatLng("41°29'13'', -81°38'26''");
var losangeles = new LatLng("34°9'40'', -117°56'48''");
Console.WriteLine(cleveland);
Console.WriteLine(losangeles);
var dist = cleveland.HaversineEarthDistanceKm(losangeles);
Console.WriteLine(dist);
Assert.AreEqual(3265, (int)dist);
}
public double HaversineEarthDistanceKm(LatLng other)
{
var dLat = this.RadLat - other.RadLat;
var dLng = this.RadLng - other.RadLng;
var a = Math.Pow(Math.Sin(dLat/2d), 2d) + Math.Cos(this.RadLat) * Math.Cos(other.RadLat) * Math.Pow(Math.Sin(dLng/2d), 2d);
var c = 2d * Math.Atan2(Math.Sqrt(a), Math.Sqrt(1-a)); // great circle distance in radians
return EARTH_RADIUS_KM * c;
}
