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Unified map projections

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ClemensFischer 2026-02-01 18:23:03 +01:00
parent 9fe7dccd68
commit 36781140ac
7 changed files with 150 additions and 172 deletions
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19
MapControl/Shared/TransverseMercatorProjectionSnyder.cs
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@ -15,15 +15,24 @@ namespace MapControl
/// </summary>
public class TransverseMercatorProjectionSnyder : MapProjection
{
public TransverseMercatorProjectionSnyder()
public TransverseMercatorProjectionSnyder(
double equatorialRadius, double flattening, double scaleFactor,
double centralMeridian, double latitudeOfOrigin,
double falseEasting, double falseNorthing = 0d)
{
EquatorialRadius = equatorialRadius;
Flattening = flattening;
ScaleFactor = scaleFactor;
CentralMeridian = centralMeridian;
LatitudeOfOrigin = latitudeOfOrigin;
FalseEasting = falseEasting;
FalseNorthing = falseNorthing;
}
public TransverseMercatorProjectionSnyder(int utmZone) : this()
public TransverseMercatorProjectionSnyder(int utmZone, bool north = true)
: this(Wgs84EquatorialRadius, Wgs84Flattening,
0.9996, utmZone * 6d - 183d, 0d, 5e5, north ? 0d : 1e7)
{
CentralMeridian = utmZone * 6d - 183d;
ScaleFactor = 0.9996;
FalseEasting = 5e5;
}
public override double GridConvergence(double latitude, double longitude)