public static double CalcDistance(double lat1, double lng1, double lat2, double lng2, GeoCodeCalcMeasurement m)
{
double radius = GeoCodeCalc.EarthRadiusInMiles;
if (m == GeoCodeCalcMeasurement.Kilometers) { radius = GeoCodeCalc.EarthRadiusInKilometers; }
return radius * 2 * Math.Asin(Math.Min(1, Math.Sqrt((Math.Pow(Math.Sin((DiffRadian(lat1, lat2)) / 2.0), 2.0) + Math.Cos(ToRadian(lat1)) * Math.Cos(ToRadian(lat2)) * Math.Pow(Math.Sin((DiffRadian(lng1, lng2)) / 2.0), 2.0)))));
}
public static double CalcDistance(string latLng1, string latLng2, GeoCodeCalcMeasurement m)
{
try
{
double lat1, lng1, lat2, lng2;
string[] latlngArray = latLng1.Split(',');
lat1 = Convert.ToDouble(latlngArray[0]);
lng1 = Convert.ToDouble(latlngArray[1]);
latlngArray = latLng2.Split(',');
lat2 = Convert.ToDouble(latlngArray[0]);
lng2 = Convert.ToDouble(latlngArray[1]);
return(GeoCodeCalc.CalcDistance(lat1, lng1, lat2, lng2, m));
}
catch (Exception ex)
{
return(0);
}
}
internal static double CalcDistance(double lat1, double lng1,
double lat2, double lng2, GeoCodeCalcMeasurement m)
{
double radius = GeoCodeCalculator.EarthRadiusInMiles;
if (m == GeoCodeCalcMeasurement.Kilometers)
{
radius = GeoCodeCalculator.EarthRadiusInKilometers;
}
return(radius * 2 * Math.Asin(
Math.Min(1,
Math.Sqrt(
Math.Pow(Math.Sin((DiffRadian(lat1, lat2)) / 2.0), 2.0)
+ Math.Cos(ToRadian(lat1))
* Math.Cos(ToRadian(lat2))
* Math.Pow(Math.Sin((DiffRadian(lng1, lng2)) / 2.0), 2.0)
)
)
));
}
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public static double CalcDistance(TelegramBot.Models.LocationM Location1, TelegramBot.Models.LocationM Location2, GeoCodeCalcMeasurement m)
{
double radius = GeoCodeCalc.EarthRadiusInMiles;
if (m == GeoCodeCalcMeasurement.Kilometers)
{
radius = GeoCodeCalc.EarthRadiusInKilometers;
}
return(radius * 2 * Math.Asin(Math.Min(1, Math.Sqrt((Math.Pow(Math.Sin((DiffRadian(Location1.X, Location2.X)) / 2.0), 2.0) + Math.Cos(ToRadian(Location1.X)) * Math.Cos(ToRadian(Location2.X)) * Math.Pow(Math.Sin((DiffRadian(Location1.Y, Location2.Y)) / 2.0), 2.0))))));
}
/// <summary>
/// Calculate the distance between two geocodes.
/// </summary>
public static double CalcDistance(double ALat1, double ALong1, double ALat2, double ALong2, GeoCodeCalcMeasurement AMeasurement)
{
double radius = (AMeasurement == GeoCodeCalcMeasurement.Kilometers ? Utils.EarthRadiusInKilometers : Utils.EarthRadiusInMiles);
return (radius * 2 * Math.Asin( Math.Min( 1, Math.Sqrt( ( Math.Pow( Math.Sin( ( DiffRadian( ALat1, ALat2 ) ) / 2.0 ), 2.0 ) + Math.Cos( ToRadian( ALat1 ) ) * Math.Cos( ToRadian( ALat2 ) ) * Math.Pow( Math.Sin( ( DiffRadian( ALong1, ALong2 ) ) / 2.0 ), 2.0 ) ) ) ) ));
}
/// <summary>
/// Calculate the distance between two geocodes.
/// </summary>
public static double CalcDistance(double ALat1, double ALong1, double ALat2, double ALong2, GeoCodeCalcMeasurement AMeasurement)
{
double radius = (AMeasurement == GeoCodeCalcMeasurement.Kilometers ? Utils.EarthRadiusInKilometers : Utils.EarthRadiusInMiles);
return(radius * 2 * Math.Asin(Math.Min(1, Math.Sqrt((Math.Pow(Math.Sin((DiffRadian(ALat1, ALat2)) / 2.0), 2.0) + Math.Cos(ToRadian(ALat1)) * Math.Cos(ToRadian(ALat2)) * Math.Pow(Math.Sin((DiffRadian(ALong1, ALong2)) / 2.0), 2.0))))));
}
