ClemensFischer/XAML-Map-Control
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Added MetricGrid

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ClemensFischer 2026-02-07 22:10:06 +01:00
parent 7857118712
commit 80252cbfd0
7 changed files with 292 additions and 184 deletions
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19
MapControl/Shared/UtmProjections.cs
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@ -4,15 +4,18 @@ namespace MapControl
{
public class UtmProjection : TransverseMercatorProjection
{
public UtmProjection(string crsId, double equatorialRadius, double flattening, int utmZone, bool north = true)
public UtmProjection(string crsId, double equatorialRadius, double flattening, int zone, bool north = true)
: base(equatorialRadius, flattening)
{
CrsId = crsId;
ScaleFactor = 0.9996;
CentralMeridian = utmZone * 6d - 183d;
CentralMeridian = zone * 6 - 183;
FalseEasting = 5e5;
FalseNorthing = north ? 0d : 1e7;
Zone = zone;
}
public int Zone { get; }
}
/// <summary>
@ -28,8 +31,6 @@ namespace MapControl
public const int FirstZoneSouthEpsgCode = 32700 + FirstZone;
public const int LastZoneSouthEpsgCode = 32700 + LastZone;
public int Zone { get; }
public Wgs84UtmProjection(int zone, bool north)
: base($"EPSG:{(north ? 32600 : 32700) + zone}", Wgs84EquatorialRadius, Wgs84Flattening, zone, north)
{
@ -37,8 +38,6 @@ namespace MapControl
{
throw new ArgumentException($"Invalid WGS84 UTM zone {zone}.", nameof(zone));
}
Zone = zone;
}
}
@ -52,8 +51,6 @@ namespace MapControl
public const int FirstZoneEpsgCode = 25800 + FirstZone;
public const int LastZoneEpsgCode = 25800 + LastZone;
public int Zone { get; }
public Etrs89UtmProjection(int zone)
: base($"EPSG:{25800 + zone}", 6378137d, 1d / 298.257222101, zone) // GRS 1980
{
@ -61,8 +58,6 @@ namespace MapControl
{
throw new ArgumentException($"Invalid ETRS89 UTM zone {zone}.", nameof(zone));
}
Zone = zone;
}
}
@ -76,8 +71,6 @@ namespace MapControl
public const int FirstZoneEpsgCode = 26900 + FirstZone;
public const int LastZoneEpsgCode = 26900 + LastZone;
public int Zone { get; }
public Nad83UtmProjection(int zone)
: base($"EPSG:{26900 + zone}", 6378137d, 1d / 298.257222101, zone) // GRS 1980
{
@ -85,8 +78,6 @@ namespace MapControl
{
throw new ArgumentException($"Invalid NAD83 UTM zone {zone}.", nameof(zone));
}
Zone = zone;
}
}
}