ClemensFischer/XAML-Map-Control
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Version 5.0: Separated map projection and view transform.

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ClemensF 2020-03-26 19:08:20 +01:00
parent 53723844a0
commit c7cb2efcdb
47 changed files with 401 additions and 382 deletions
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10
MapProjections/Shared/PolarStereographicProjection.cs
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@ -33,12 +33,12 @@ namespace MapControl.Projections
this.falseNorthing = falseNorthing;
}
public override double TrueScale
public override double UnitsPerDegree
{
get { return scaleFactor * Wgs84MetersPerDegree; }
}
public override Vector GetMapScale(Location location)
public override Vector GetRelativeScale(Location location)
{
var lat = (north ? location.Latitude : -location.Latitude) * Math.PI / 180d;
var a = Wgs84EquatorialRadius;
@ -50,10 +50,10 @@ namespace MapControl.Projections
var m = Math.Cos(lat) / Math.Sqrt(1d - eSinLat * eSinLat);
var k = rho / (a * m);
return new Vector(ViewportScale * k, ViewportScale * k);
return new Vector(k, k);
}
public override Point LocationToPoint(Location location)
public override Point LocationToMap(Location location)
{
var lat = location.Latitude * Math.PI / 180d;
var lon = location.Longitude * Math.PI / 180d;
@ -76,7 +76,7 @@ namespace MapControl.Projections
return new Point(rho * Math.Sin(lon) + falseEasting, rho * Math.Cos(lon) + falseNorthing);
}
public override Location PointToLocation(Point point)
public override Location MapToLocation(Point point)
{
point.X -= falseEasting;
point.Y -= falseNorthing;