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Reworked azimuthal projections

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ClemensFischer 2026-01-19 21:38:18 +01:00
parent 19cba8978b
commit 2c9e478095
6 changed files with 117 additions and 107 deletions
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4
MapControl/Shared/TransverseMercatorProjection.cs
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@ -83,7 +83,7 @@ namespace MapControl
// λ - λ0
var dLambda = (longitude - CentralMeridian) * Math.PI / 180d;
// ξ'
var xi_ = Math.Atan(t / Math.Cos(dLambda));
var xi_ = Math.Atan2(t, Math.Cos(dLambda));
// η'
var eta_ = Atanh(Math.Sin(dLambda) / Math.Sqrt(1d + t * t));
// ξ
@ -128,7 +128,7 @@ namespace MapControl
d2 * Math.Sin(4d * chi) +
d3 * Math.Sin(6d * chi);
// λ - λ0
var dLambda = Math.Atan(Math.Sinh(eta_) / Math.Cos(xi_));
var dLambda = Math.Atan2(Math.Sinh(eta_), Math.Cos(xi_));
return new Location(
phi * 180d / Math.PI,