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WMTS tile handling

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This commit is contained in:
ClemensFischer 2022-11-22 19:15:34 +01:00
parent 6d359a5a91
commit 0e27e95c6f
11 changed files with 100 additions and 71 deletions
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20
MapControl/Shared/TileSource.cs
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@ -49,20 +49,20 @@ namespace MapControl
/// <summary>
/// Gets the image Uri for the specified tile indices and zoom level.
/// </summary>
public virtual Uri GetUri(int x, int y, int zoomLevel)
public virtual Uri GetUri(int column, int row, int zoomLevel)
{
Uri uri = null;
if (UriTemplate != null && x >= 0 && y >= 0 && zoomLevel >= 0)
if (UriTemplate != null && column >= 0 && row >= 0 && zoomLevel >= 0)
{
var uriString = UriTemplate
.Replace("{x}", x.ToString())
.Replace("{y}", y.ToString())
.Replace("{x}", column.ToString())
.Replace("{y}", row.ToString())
.Replace("{z}", zoomLevel.ToString());
if (Subdomains != null && Subdomains.Length > 0)
{
uriString = uriString.Replace("{s}", Subdomains[(x + y) % Subdomains.Length]);
uriString = uriString.Replace("{s}", Subdomains[(column + row) % Subdomains.Length]);
}
uri = new Uri(uriString, UriKind.RelativeOrAbsolute);
@ -72,11 +72,11 @@ namespace MapControl
}
/// <summary>
/// Loads a tile ImageSource asynchronously from GetUri(x, y, zoomLevel).
/// Loads a tile ImageSource asynchronously from GetUri(column, row, zoomLevel).
/// </summary>
public virtual Task<ImageSource> LoadImageAsync(int x, int y, int zoomLevel)
public virtual Task<ImageSource> LoadImageAsync(int column, int row, int zoomLevel)
{
var uri = GetUri(x, y, zoomLevel);
var uri = GetUri(column, row, zoomLevel);
return uri != null ? ImageLoader.LoadImageAsync(uri) : Task.FromResult((ImageSource)null);
}
@ -84,9 +84,9 @@ namespace MapControl
public class TmsTileSource : TileSource
{
public override Uri GetUri(int x, int y, int zoomLevel)
public override Uri GetUri(int column, int row, int zoomLevel)
{
return base.GetUri(x, (1 << zoomLevel) - 1 - y, zoomLevel);
return base.GetUri(column, (1 << zoomLevel) - 1 - row, zoomLevel);
}
}
}