ClemensFischer/XAML-Map-Control
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Catch ArgumentException from LocationToMapTransform

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ClemensFischer 2026-02-04 22:32:36 +01:00
parent 974fd88b43
commit 36b62742ea
1 changed files with 15 additions and 4 deletions
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19
MapProjections/Shared/ProjNetMapProjection.cs
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@ -99,9 +99,20 @@ namespace MapControl.Projections
throw new InvalidOperationException("The CoordinateSystem property is not set."); throw new InvalidOperationException("The CoordinateSystem property is not set.");
} }
var coordinate = LocationToMapTransform.Transform([longitude, latitude]); double x, y;
return new Point(coordinate[0], coordinate[1]); try
{
(x, y) = LocationToMapTransform.Transform(longitude, latitude);
}
catch (ArgumentException)
{
x = 0d;
y = latitude >= 0d ? double.PositiveInfinity : double.NegativeInfinity;
}
return new Point(x, y);
} }
public override Location MapToLocation(double x, double y) public override Location MapToLocation(double x, double y)
@ -111,9 +122,9 @@ namespace MapControl.Projections
throw new InvalidOperationException("The CoordinateSystem property is not set."); throw new InvalidOperationException("The CoordinateSystem property is not set.");
} }
var coordinate = MapToLocationTransform.Transform([x, y]); (var lon, var lat) = MapToLocationTransform.Transform(x, y);
return new Location(coordinate[1], coordinate[0]); return new Location(lat, lon);
} }
public override double GridConvergence(double latitude, double longitude) public override double GridConvergence(double latitude, double longitude)