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Use mean radius in distance calculations

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ClemensFischer 2026-01-09 08:13:07 +01:00
parent c187f323a8
commit 23a8e49efb
8 changed files with 20 additions and 14 deletions
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4
MapControl/Shared/Location.cs
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@ -115,7 +115,7 @@ namespace MapControl
/// <summary>
/// Calculates the great circle distance in meters between this and the specified Location.
/// </summary>
public double GetDistance(Location location, double earthRadius = MapProjection.Wgs84EquatorialRadius)
public double GetDistance(Location location, double earthRadius = MapProjection.Wgs84MeanRadius)
{
GetAzimuthDistance(location.Latitude, location.Longitude, out _, out double distance);
@ -144,7 +144,7 @@ namespace MapControl
/// <summary>
/// Calculates the Location on a great circle at the specified azimuth in degrees and distance in meters from this Location.
/// </summary>
public Location GetLocation(double azimuth, double distance, double earthRadius = MapProjection.Wgs84EquatorialRadius)
public Location GetLocation(double azimuth, double distance, double earthRadius = MapProjection.Wgs84MeanRadius)
{
return GetLocation(azimuth * Math.PI / 180d, distance / earthRadius);
}