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

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ClemensF 2020-03-22 18:33:34 +01:00
parent 7e5c5c0671
commit b5fe760c83
7 changed files with 112 additions and 125 deletions
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48
MapControl/Shared/WmtsTileMatrixLayer.cs
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@ -36,29 +36,24 @@ namespace MapControl
public IReadOnlyCollection<Tile> Tiles { get; private set; } = new List<Tile>();
public bool SetBounds(MapProjection projection, double heading, Size mapSize)
public void SetRenderTransform(MapProjection projection)
{
// top/left viewport corner in map coordinates (meters)
// tile grid origin in pixels
//
var tileOrigin = projection.InverseViewportTransform.Transform(new Point());
var tileGridOrigin = new Point(TileMatrix.TileWidth * XMin, TileMatrix.TileHeight * YMin);
// top/left viewport corner in tile matrix coordinates (tile column and row indexes)
((MatrixTransform)RenderTransform).Matrix =
projection.CreateTileLayerTransform(TileMatrix.Scale, TileMatrix.TopLeft, tileGridOrigin);
}
public bool SetBounds(MapProjection projection, Size viewportSize)
{
// bounds in tile pixels from viewport size
//
var tileMatrixOrigin = new Point(
TileMatrix.Scale * (tileOrigin.X - TileMatrix.TopLeft.X),
TileMatrix.Scale * (TileMatrix.TopLeft.Y - tileOrigin.Y));
var bounds = projection.GetTileBounds(TileMatrix.Scale, TileMatrix.TopLeft, viewportSize);
// relative layer scale
// tile column and row index bounds
//
var scale = TileMatrix.Scale / projection.ViewportScale;
var transform = new MatrixTransform
{
Matrix = MatrixFactory.Create(scale, -heading, tileMatrixOrigin)
};
var bounds = transform.TransformBounds(new Rect(0d, 0d, mapSize.Width, mapSize.Height));
var xMin = (int)Math.Floor(bounds.X / TileMatrix.TileWidth);
var yMin = (int)Math.Floor(bounds.Y / TileMatrix.TileHeight);
var xMax = (int)Math.Floor((bounds.X + bounds.Width) / TileMatrix.TileWidth);
@ -82,25 +77,6 @@ namespace MapControl
return true;
}
public void SetRenderTransform(MapProjection projection, double heading)
{
// XMin/YMin corner in map coordinates (meters)
//
var mapOrigin = new Point(
TileMatrix.TopLeft.X + XMin * TileMatrix.TileWidth / TileMatrix.Scale,
TileMatrix.TopLeft.Y - YMin * TileMatrix.TileHeight / TileMatrix.Scale);
// XMin/YMin corner in viewport coordinates (pixels)
//
var viewOrigin = projection.ViewportTransform.Transform(mapOrigin);
// relative layer scale
//
var scale = projection.ViewportScale / TileMatrix.Scale;
((MatrixTransform)RenderTransform).Matrix = MatrixFactory.Create(scale, heading, viewOrigin);
}
public void UpdateTiles()
{
var newTiles = new List<Tile>();