ClemensFischer/XAML-Map-Control
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Map projections

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ClemensFischer 2025-02-12 19:46:25 +01:00
parent e90bdcf371
commit 7c8393d785
7 changed files with 24 additions and 27 deletions
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MapControl/Shared/PolarStereographicProjection.cs
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@ -94,12 +94,11 @@ namespace MapControl
}
var e = Math.Sqrt((2d - Flattening) * Flattening);
var r = Math.Sqrt(x * x + y * y); // p.162 (20-18)
var t = r * Math.Sqrt(Math.Pow(1d + e, 1d + e) * Math.Pow(1d - e, 1d - e))
/ (2d * EquatorialRadius * ScaleFactor); // p.162 (21-39)
var lat = WorldMercatorProjection.LatitudeFromSeriesApproximation(e, t); // p.162 (3-5)
var lat = WorldMercatorProjection.ApproximateLatitude(e, t); // p.162 (3-5)
var lon = Math.Atan2(x, -y); // p.162 (20-16)
if (!IsNorth)