ClemensFischer/XAML-Map-Control
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TileCollection

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ClemensFischer 2025-08-22 16:10:03 +02:00
parent 2d97f1f2c7
commit 6742149599
3 changed files with 27 additions and 36 deletions
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17
MapControl/Shared/MapTileLayer.cs
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@ -199,24 +199,17 @@ namespace MapControl
{
var numTiles = 1 << z;
var tileSize = 1 << (TileMatrix.ZoomLevel - z);
var x1 = (int)Math.Floor((double)TileMatrix.XMin / tileSize); // may be negative
var x2 = TileMatrix.XMax / tileSize; // may be greater than numTiles-1
var y1 = Math.Max(TileMatrix.YMin / tileSize, 0);
var y2 = Math.Min(TileMatrix.YMax / tileSize, numTiles - 1);
var xMin = (int)Math.Floor((double)TileMatrix.XMin / tileSize); // may be negative
var xMax = TileMatrix.XMax / tileSize; // may be greater than numTiles-1
var yMin = Math.Max(TileMatrix.YMin / tileSize, 0);
var yMax = Math.Min(TileMatrix.YMax / tileSize, numTiles - 1);
for (var y = y1; y <= y2; y++)
{
for (var x = x1; x <= x2; x++)
{
tiles.Add(Tiles.GetTile(z, x, y, numTiles));
}
}
tiles.FillMatrix(Tiles, z, xMin, yMin, xMax, yMax, numTiles);
}
}
}
Tiles = tiles;
Children.Clear();
foreach (var tile in tiles)