ClemensFischer/XAML-Map-Control
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Version 4.8.0: Improved WPF MapPolyline and MapPolygon accuracy.

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ClemensF 2018-04-10 22:34:34 +02:00
parent de4ba0765a
commit 5bc42d1f07
19 changed files with 77 additions and 172 deletions
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14
MapControl/Shared/MapProjection.cs
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@ -59,14 +59,9 @@ namespace MapControl
public double MaxLatitude { get; protected set; } = 90d;
/// <summary>
/// Gets the transformation matrix from cartesian map coordinates to viewport coordinates (pixels).
/// Gets the transform matrix from cartesian map coordinates to viewport coordinates (pixels).
/// </summary>
public Matrix ViewportTransformMatrix { get; private set; }
/// <summary>
/// Gets the transformation from cartesian map coordinates to viewport coordinates (pixels).
/// </summary>
public MatrixTransform ViewportTransform { get; } = new MatrixTransform();
public Matrix ViewportTransform { get; private set; }
/// <summary>
/// Gets the scaling factor from cartesian map coordinates to viewport coordinates.
@ -114,7 +109,7 @@ namespace MapControl
/// </summary>
public Point LocationToViewportPoint(Location location)
{
return ViewportTransformMatrix.Transform(LocationToPoint(location));
return ViewportTransform.Transform(LocationToPoint(location));
}
/// <summary>
@ -145,8 +140,7 @@ namespace MapControl
var center = LocationToPoint(mapCenter);
var matrix = CreateTransformMatrix(center, ViewportScale, -ViewportScale, heading, viewportCenter);
ViewportTransformMatrix = matrix;
ViewportTransform.Matrix = matrix;
ViewportTransform = matrix;
matrix.Invert();
inverseViewportTransformMatrix = matrix;