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Reworked MapProjection

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Return nullable Point from LocationToMap. Use MapRect instead of WinUI/UWP Rect replacement. Drop Vector. Add Scale struct.
This commit is contained in:
ClemensFischer 2022-12-02 16:50:10 +01:00
parent bab1788334
commit 218a85316c
28 changed files with 249 additions and 324 deletions
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6
MapControl/Shared/WebMercatorProjection.cs
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@ -23,14 +23,14 @@ namespace MapControl
CrsId = DefaultCrsId;
}
public override Vector GetRelativeScale(Location location)
public override Scale GetRelativeScale(Location location)
{
var k = 1d / Math.Cos(location.Latitude * Math.PI / 180d); // p.44 (7-3)
return new Vector(k, k);
return new Scale(k, k);
}
public override Point LocationToMap(Location location)
public override Point? LocationToMap(Location location)
{
return new Point(
Wgs84MeterPerDegree * location.Longitude,