ClemensFischer/XAML-Map-Control
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Version 4.17.0: Added support for WMTS

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ClemensF 2020-03-20 18:12:56 +01:00
parent e650c9081f
commit e821e39841
38 changed files with 991 additions and 307 deletions
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25
MapControl/Shared/MapProjection.cs
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@ -65,22 +65,22 @@ namespace MapControl
}
/// <summary>
/// Gets the projection center. Only relevant for azimuthal pprojections.
/// Gets the projection center. Only relevant for azimuthal projections.
/// </summary>
public Location ProjectionCenter { get; private set; } = new Location();
/// <summary>
/// Gets the transform matrix from cartesian map coordinates to viewport coordinates (pixels).
/// Gets the transform matrix from cartesian map coordinates to viewport coordinates.
/// </summary>
public Matrix ViewportTransform { get; private set; }
/// <summary>
/// Gets the transform matrix from viewport coordinates (pixels) to cartesian map coordinates.
/// Gets the transform matrix from viewport coordinates to cartesian map coordinates.
/// </summary>
public Matrix InverseViewportTransform { get; private set; }
/// <summary>
/// Gets the scaling factor from cartesian map coordinates to viewport coordinates (pixels)
/// Gets the scaling factor from cartesian map coordinates to viewport coordinates
/// at the projection's point of true scale.
/// </summary>
public double ViewportScale { get; private set; }
@ -186,26 +186,11 @@ namespace MapControl
ViewportScale = Math.Pow(2d, zoomLevel) * TileSize / (360d * TrueScale);
var center = LocationToPoint(mapCenter);
var matrix = CreateTransformMatrix(center, ViewportScale, -ViewportScale, heading, viewportCenter);
var matrix = MatrixFactory.Create(center, ViewportScale, -ViewportScale, heading, viewportCenter);
ViewportTransform = matrix;
matrix.Invert();
InverseViewportTransform = matrix;
}
internal static Matrix CreateTransformMatrix(
Point translation1, double scale, double rotation, Point translation2)
{
return CreateTransformMatrix(translation1, scale, scale, rotation, translation2);
}
internal static Matrix CreateTransformMatrix(
Point translation1, double scaleX, double scaleY, double rotation, Point translation2)
{
var matrix = new Matrix(scaleX, 0d, 0d, scaleY, -translation1.X * scaleX, -translation1.Y * scaleY);
matrix.Rotate(rotation);
matrix.Translate(translation2.X, translation2.Y);
return matrix;
}
}
}