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Version 4.17.0: Added support for WMTS

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ClemensF 2020-03-20 20:40:13 +01:00
parent 8d735061f8
commit 6c2b27831e
2 changed files with 37 additions and 18 deletions
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49
MapControl/Shared/WmtsTileLayer.cs
View file

@ -19,8 +19,8 @@ namespace MapControl
{
public class WmtsTileLayer : MapTileLayerBase
{
public static readonly DependencyProperty CapabilitiesProperty = DependencyProperty.Register(
nameof(Capabilities), typeof(Uri), typeof(WmtsTileLayer), new PropertyMetadata(null));
public static readonly DependencyProperty CapabilitiesUriProperty = DependencyProperty.Register(
nameof(CapabilitiesUri), typeof(Uri), typeof(WmtsTileLayer), new PropertyMetadata(null));
public static readonly DependencyProperty LayerIdentifierProperty = DependencyProperty.Register(
nameof(LayerIdentifier), typeof(string), typeof(WmtsTileLayer), new PropertyMetadata(null));
@ -40,10 +40,10 @@ namespace MapControl
Loaded += OnLoaded;
}
public Uri Capabilities
public Uri CapabilitiesUri
{
get { return (Uri)GetValue(CapabilitiesProperty); }
set { SetValue(CapabilitiesProperty, value); }
get { return (Uri)GetValue(CapabilitiesUriProperty); }
set { SetValue(CapabilitiesUriProperty, value); }
}
public string LayerIdentifier
@ -169,25 +169,25 @@ namespace MapControl
private async void OnLoaded(object sender, RoutedEventArgs e)
{
if (Capabilities != null)
if (CapabilitiesUri != null)
{
try
{
if (Capabilities.IsAbsoluteUri && (Capabilities.Scheme == "http" || Capabilities.Scheme == "https"))
if (CapabilitiesUri.IsAbsoluteUri && (CapabilitiesUri.Scheme == "http" || CapabilitiesUri.Scheme == "https"))
{
using (var stream = await ImageLoader.HttpClient.GetStreamAsync(Capabilities))
using (var stream = await ImageLoader.HttpClient.GetStreamAsync(CapabilitiesUri))
{
ReadCapabilities(XDocument.Load(stream).Root);
}
}
else
{
ReadCapabilities(XDocument.Load(Capabilities.ToString()).Root);
ReadCapabilities(XDocument.Load(CapabilitiesUri.ToString()).Root);
}
}
catch (Exception ex)
{
Debug.WriteLine("WmtsTileLayer: {0}: {1}", Capabilities, ex.Message);
Debug.WriteLine("WmtsTileLayer: {0}: {1}", CapabilitiesUri, ex.Message);
}
}
}
@ -229,14 +229,29 @@ namespace MapControl
var tileMatrixSetId = layerElement.Element(ns + "TileMatrixSetLink")?.Element(ns + "TileMatrixSet")?.Value;
if (tileMatrixSetId == null)
if (string.IsNullOrEmpty(tileMatrixSetId))
{
throw new ArgumentException("TileMatrixSetLink element not found.");
}
var styleElement = layerElement.Descendants(ns + "Style")
.FirstOrDefault(e => e.Attribute("isDefault")?.Value == "true");
if (styleElement == null)
{
styleElement = layerElement.Descendants(ns + "Style").FirstOrDefault();
}
var style = styleElement?.Element(ows + "Identifier")?.Value;
if (string.IsNullOrEmpty(style))
{
throw new ArgumentException("Style element not found.");
}
var urlTemplate = layerElement.Element(ns + "ResourceURL")?.Attribute("template")?.Value;
if (urlTemplate == null)
if (string.IsNullOrEmpty(urlTemplate))
{
throw new ArgumentException("ResourceURL element (or template attribute) not found in Layer \"" + LayerIdentifier + "\".");
}
@ -251,7 +266,7 @@ namespace MapControl
var supportedCrs = tileMatrixSetElement.Element(ows + "SupportedCRS")?.Value;
if (supportedCrs == null)
if (string.IsNullOrEmpty(supportedCrs))
{
throw new ArgumentException("ows:SupportedCRS element not found in TileMatrixSet \"" + tileMatrixSetId + "\".");
}
@ -328,8 +343,12 @@ namespace MapControl
var tileMatrixSet = new WmtsTileMatrixSet(tileMatrixSetId, supportedCrs, tileMatrixes);
SourceName = tileMatrixSet.Identifier;
TileSource = new WmtsTileSource(urlTemplate, tileMatrixSet);
urlTemplate = urlTemplate
.Replace("{Style}", style)
.Replace("{TileMatrixSet}", tileMatrixSet.Identifier);
TileSource = new WmtsTileSource(urlTemplate, tileMatrixSet.TileMatrixes);
TileMatrixSet = tileMatrixSet; // calls UpdateTileLayer()
}
}

6
MapControl/Shared/WmtsTileSource.cs
View file

@ -11,10 +11,10 @@ namespace MapControl
{
private readonly IList<WmtsTileMatrix> tileMatrixes;
public WmtsTileSource(string uriFormat, WmtsTileMatrixSet tileMatrixSet)
: base(uriFormat.Replace("{TileMatrixSet}", tileMatrixSet.Identifier))
public WmtsTileSource(string uriFormat, IList<WmtsTileMatrix> tileMatrixes)
: base(uriFormat)
{
tileMatrixes = tileMatrixSet.TileMatrixes;
this.tileMatrixes = tileMatrixes;
}
public override Uri GetUri(int x, int y, int zoomLevel)