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MapProjection.EnableCenterUpdates method

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ClemensFischer 2026-01-24 22:41:25 +01:00
parent 98f057ca0c
commit b0352c8f94
7 changed files with 24 additions and 16 deletions
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3
MapControl/Shared/AzimuthalProjection.cs
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@ -7,8 +7,9 @@ namespace MapControl
{
public abstract class AzimuthalProjection : MapProjection
{
protected AzimuthalProjection() : base(true)
protected AzimuthalProjection()
{
EnableCenterUpdates();
}
public readonly struct ProjectedPoint

9
MapControl/Shared/MapProjection.cs
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@ -17,7 +17,7 @@ namespace MapControl
#else
[System.ComponentModel.TypeConverter(typeof(MapProjectionConverter))]
#endif
public abstract class MapProjection(bool hasCenter = false)
public abstract class MapProjection
{
public const double Wgs84EquatorialRadius = 6378137d;
public const double Wgs84Flattening = 1d / 298.257223563;
@ -56,7 +56,7 @@ namespace MapControl
public double MeterPerDegree => EquatorialRadius * Math.PI / 180d;
private Location center;
private bool updateCenter = hasCenter;
private bool updateCenter;
/// <summary>
/// Gets or sets an optional projection center. If the property is set to a non-null value,
@ -77,6 +77,11 @@ namespace MapControl
}
}
protected void EnableCenterUpdates()
{
updateCenter = true;
}
/// <summary>
/// Called by MapBase.UpdateTransform().
/// </summary>

1
MapControl/Shared/Wgs84AutoTmProjection.cs
View file

@ -16,6 +16,7 @@
public Wgs84AutoTmProjection(string crsId)
{
CrsId = crsId;
EnableCenterUpdates();
}
protected override void CenterChanged()

2
MapControl/Shared/Wgs84AutoUtmProjection.cs
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@ -28,6 +28,8 @@ namespace MapControl
{
CrsId = autoCrsId;
}
EnableCenterUpdates();
}
protected override void CenterChanged()