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Updated WmtsTileMatrixSet

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This commit is contained in:
ClemensFischer 2025-12-03 14:12:45 +01:00
parent 65c20c76b2
commit d09832988c
1 changed files with 14 additions and 10 deletions
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24
MapControl/Shared/WmtsTileMatrixSet.cs
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@ -19,13 +19,21 @@ namespace MapControl
public static WmtsTileMatrixSet CreateOpenStreetMapTileMatrixSet(
string uriTemplate, int minZoomLevel = 0, int maxZoomLevel = 19)
{
const int tileSize = 256;
const double baseScale = tileSize / (360d * MapProjection.Wgs84MeterPerDegree);
static WmtsTileMatrix CreateWmtsTileMatrix(int zoomLevel)
{
const int tileSize = 256;
const double origin = 180d * MapProjection.Wgs84MeterPerDegree;
Point mapTopLeft = new(-180d * MapProjection.Wgs84MeterPerDegree,
180d * MapProjection.Wgs84MeterPerDegree);
var matrixSize = 1 << zoomLevel;
var scale = matrixSize * tileSize / (2d * origin);
return new WmtsTileMatrixSet(null,
return new WmtsTileMatrix(
zoomLevel.ToString(), scale, new Point(-origin, origin),
tileSize, tileSize, matrixSize, matrixSize);
}
return new WmtsTileMatrixSet(
null,
WebMercatorProjection.DefaultCrsId,
uriTemplate
.Replace("{z}", "{0}")
@ -33,11 +41,7 @@ namespace MapControl
.Replace("{y}", "{2}"),
Enumerable
.Range(minZoomLevel, maxZoomLevel - minZoomLevel + 1)
.Select<int, (int zoomLevel, int matrixSize)>(z => (z, 1 << z))
.Select(t => new WmtsTileMatrix(
t.zoomLevel.ToString(),
t.matrixSize * baseScale, mapTopLeft,
tileSize, tileSize, t.matrixSize, t.matrixSize)));
.Select(CreateWmtsTileMatrix));
}
}
}