ClemensFischer/XAML-Map-Control
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This commit is contained in:
ClemensF 2017-08-16 21:27:12 +02:00
parent 3774bf2ed3
commit 0be26af38c
9 changed files with 32 additions and 29 deletions
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12
MapControl/Shared/OrthographicProjection.cs
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@ -28,14 +28,14 @@ namespace MapControl
public override Point LocationToPoint(Location location)
{
if (location.Equals(projectionCenter))
if (location.Equals(ProjectionCenter))
{
return new Point();
}
var lat0 = projectionCenter.Latitude * Math.PI / 180d;
var lat0 = ProjectionCenter.Latitude * Math.PI / 180d;
var lat = location.Latitude * Math.PI / 180d;
var dLon = (location.Longitude - projectionCenter.Longitude) * Math.PI / 180d;
var dLon = (location.Longitude - ProjectionCenter.Longitude) * Math.PI / 180d;
return new Point(
Wgs84EquatorialRadius * Math.Cos(lat) * Math.Sin(dLon),
@ -46,7 +46,7 @@ namespace MapControl
{
if (point.X == 0d && point.Y == 0d)
{
return projectionCenter;
return ProjectionCenter;
}
var x = point.X / Wgs84EquatorialRadius;
@ -62,13 +62,13 @@ namespace MapControl
var sinC = r;
var cosC = Math.Sqrt(1 - r2);
var lat0 = projectionCenter.Latitude * Math.PI / 180d;
var lat0 = ProjectionCenter.Latitude * Math.PI / 180d;
var cosLat0 = Math.Cos(lat0);
var sinLat0 = Math.Sin(lat0);
return new Location(
180d / Math.PI * Math.Asin(cosC * sinLat0 + y * sinC * cosLat0 / r),
180d / Math.PI * Math.Atan2(x * sinC, r * cosC * cosLat0 - y * sinC * sinLat0) + projectionCenter.Longitude);
180d / Math.PI * Math.Atan2(x * sinC, r * cosC * cosLat0 - y * sinC * sinLat0) + ProjectionCenter.Longitude);
}
}
}