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Moved EquatorialRadius property to MapProjection

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ClemensFischer 2026-01-24 14:58:16 +01:00
parent aaa69a3c03
commit d71d6c6e01
14 changed files with 53 additions and 70 deletions
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4
MapControl/Shared/StereographicProjection.cs
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@ -39,13 +39,13 @@ namespace MapControl
var p = GetProjectedPoint(latitude, longitude);
var k = 2d / (1d + p.CosC); // p.157 (21-4), k0 == 1
return new Point(EarthRadius * k * p.X, EarthRadius * k * p.Y); // p.157 (21-2/3)
return new Point(EquatorialRadius * k * p.X, EquatorialRadius * k * p.Y); // p.157 (21-2/3)
}
public override Location MapToLocation(double x, double y)
{
var rho = Math.Sqrt(x * x + y * y);
var c = 2d * Math.Atan(rho / (2d * EarthRadius)); // p.159 (21-15), k0 == 1
var c = 2d * Math.Atan(rho / (2d * EquatorialRadius)); // p.159 (21-15), k0 == 1
return GetLocation(x, y, rho, Math.Sin(c));
}