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https://github.com/ClemensFischer/XAML-Map-Control.git
synced 2025-12-06 07:12:04 +01:00
Automatic default WMS Layer
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ClemensF
parent
c915860eff
commit
7cd1ccddc1
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@ -19,6 +19,9 @@ using System.Windows.Media;
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namespace MapControl
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{
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/// <summary>
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/// Displays a single map image from a Web Map Service (WMS).
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/// </summary>
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public partial class WmsImageLayer : MapImageLayer
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{
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public static readonly DependencyProperty ServiceUriProperty = DependencyProperty.Register(
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@ -27,7 +30,7 @@ namespace MapControl
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public static readonly DependencyProperty LayersProperty = DependencyProperty.Register(
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nameof(Layers), typeof(string), typeof(WmsImageLayer),
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new PropertyMetadata(string.Empty, async (o, e) => await ((WmsImageLayer)o).UpdateImageAsync()));
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new PropertyMetadata(null, async (o, e) => await ((WmsImageLayer)o).UpdateImageAsync()));
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public static readonly DependencyProperty StylesProperty = DependencyProperty.Register(
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nameof(Styles), typeof(string), typeof(WmsImageLayer),
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@ -37,24 +40,36 @@ namespace MapControl
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nameof(Format), typeof(string), typeof(WmsImageLayer),
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new PropertyMetadata("image/png", async (o, e) => await ((WmsImageLayer)o).UpdateImageAsync()));
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/// <summary>
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/// The base request URL.
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/// </summary>
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public Uri ServiceUri
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{
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get { return (Uri)GetValue(ServiceUriProperty); }
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set { SetValue(ServiceUriProperty, value); }
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}
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/// <summary>
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/// Comma-separated list of Layer names to be displayed. If not set, the first Layer is displayed.
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/// </summary>
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public string Layers
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{
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get { return (string)GetValue(LayersProperty); }
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set { SetValue(LayersProperty, value); }
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}
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/// <summary>
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/// Comma-separated list of requested styles. Default is an empty string.
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/// </summary>
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public string Styles
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{
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get { return (string)GetValue(StylesProperty); }
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set { SetValue(StylesProperty, value); }
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}
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/// <summary>
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/// Requested image format. Default is image/png.
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/// </summary>
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public string Format
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{
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get { return (string)GetValue(FormatProperty); }
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@ -64,36 +79,19 @@ namespace MapControl
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/// <summary>
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/// Gets a list of all layer names returned by a GetCapabilities response.
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/// </summary>
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public async Task<List<string>> GetLayerNamesAsync()
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public async Task<IEnumerable<string>> GetLayerNamesAsync()
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{
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List<string> layerNames = null;
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IEnumerable<string> layerNames = null;
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var capabilities = await GetCapabilities();
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if (ServiceUri != null)
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if (capabilities != null)
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{
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var uri = GetRequestUri("GetCapabilities").Replace(" ", "%20");
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try
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{
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XElement capabilities;
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using (var stream = await ImageLoader.HttpClient.GetStreamAsync(uri))
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{
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capabilities = XDocument.Load(stream).Root;
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}
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var ns = capabilities.Name.Namespace;
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layerNames = capabilities
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.Descendants(ns + "Layer")
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.Where(e => e.Attribute("queryable")?.Value == "1")
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.Select(e => e.Element(ns + "Name")?.Value)
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.Where(n => !string.IsNullOrEmpty(n))
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.ToList();
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}
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catch (Exception ex)
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{
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Debug.WriteLine("WmsImageLayer: {0}: {1}", uri, ex.Message);
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}
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.Where(n => !string.IsNullOrEmpty(n));
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}
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return layerNames;
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@ -104,6 +102,13 @@ namespace MapControl
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/// </summary>
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protected override async Task<ImageSource> GetImageAsync()
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{
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if (Layers == null && // get first Layer
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ServiceUri != null &&
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ServiceUri.ToString().IndexOf("LAYERS=", StringComparison.OrdinalIgnoreCase) < 0)
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{
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Layers = (await GetLayerNamesAsync())?.FirstOrDefault() ?? "";
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}
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var uri = GetImageUri();
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return uri != null
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@ -170,5 +175,31 @@ namespace MapControl
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return uri + "REQUEST=" + request;
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}
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private async Task<XElement> GetCapabilities()
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{
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XElement capabilities = null;
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if (ServiceUri != null)
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{
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var uri = GetRequestUri("GetCapabilities").Replace(" ", "%20");
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try
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{
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using (var stream = await ImageLoader.HttpClient.GetStreamAsync(uri))
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{
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capabilities = XDocument.Load(stream).Root;
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}
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var ns = capabilities.Name.Namespace;
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}
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catch (Exception ex)
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{
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Debug.WriteLine("WmsImageLayer: {0}: {1}", uri, ex.Message);
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}
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}
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return capabilities;
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}
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}
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}
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@ -21,7 +21,13 @@ namespace ViewModel
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{
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{
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"OpenStreetMap",
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MapTileLayer.OpenStreetMapTileLayer
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new MapTileLayer
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{
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SourceName = "OpenStreetMap",
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Description = "© [OpenStreetMap Contributors](http://www.openstreetmap.org/copyright)",
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TileSource = new TileSource { UriFormat = "https://{c}.tile.openstreetmap.org/{z}/{x}/{y}.png" },
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MaxZoomLevel = 19
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}
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},
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{
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"OpenStreetMap German",
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@ -29,7 +35,7 @@ namespace ViewModel
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{
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SourceName = "OpenStreetMap German",
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Description = "© [OpenStreetMap contributors](http://www.openstreetmap.org/copyright)",
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TileSource = new TileSource { UriFormat = "http://{c}.tile.openstreetmap.de/tiles/osmde/{z}/{x}/{y}.png" },
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TileSource = new TileSource { UriFormat = "https://{c}.tile.openstreetmap.de/tiles/osmde/{z}/{x}/{y}.png" },
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MaxZoomLevel = 19
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}
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},
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@ -53,16 +59,6 @@ namespace ViewModel
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MaxZoomLevel = 18
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}
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},
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{
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"Seamarks",
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new MapTileLayer
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{
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SourceName = "OpenSeaMap",
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TileSource = new TileSource { UriFormat = "http://tiles.openseamap.org/seamark/{z}/{x}/{y}.png" },
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MinZoomLevel = 9,
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MaxZoomLevel = 18
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}
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},
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{
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"Bing Maps Road",
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new BingMapsTileLayer
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@ -100,17 +96,7 @@ namespace ViewModel
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new WmsImageLayer
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{
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Description = "© [terrestris GmbH & Co. KG](http://ows.terrestris.de/)\nData © [OpenStreetMap contributors](http://www.openstreetmap.org/copyright)",
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ServiceUri = new Uri("http://ows.terrestris.de/osm/service"),
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Layers = "OSM-WMS"
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}
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},
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{
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"OpenStreetMap TOPO WMS",
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new WmsImageLayer
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{
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Description = "© [terrestris GmbH & Co. KG](http://ows.terrestris.de/)\nData © [OpenStreetMap contributors](http://www.openstreetmap.org/copyright)",
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ServiceUri = new Uri("http://ows.terrestris.de/osm/service"),
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Layers = "TOPO-OSM-WMS"
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ServiceUri = new Uri("http://ows.terrestris.de/osm/service")
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}
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},
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{
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@ -118,8 +104,7 @@ namespace ViewModel
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new WmsImageLayer
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{
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Description = "© [BKG](https://gdz.bkg.bund.de/index.php/default/webdienste/topplus-produkte/wms-topplusopen-mit-layer-fur-normalausgabe-und-druck-wms-topplus-open.html)",
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ServiceUri = new Uri("https://sgx.geodatenzentrum.de/wms_topplus_open"),
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Layers = "web"
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ServiceUri = new Uri("https://sgx.geodatenzentrum.de/wms_topplus_open")
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}
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},
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{
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@ -132,9 +117,19 @@ namespace ViewModel
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}
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},
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{
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"SevenCs ChartServer",
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"SevenCs ChartServer WMS",
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new ChartServerLayer()
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},
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{
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"Seamarks",
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new MapTileLayer
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{
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SourceName = "OpenSeaMap",
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TileSource = new TileSource { UriFormat = "http://tiles.openseamap.org/seamark/{z}/{x}/{y}.png" },
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MinZoomLevel = 9,
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MaxZoomLevel = 18
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}
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},
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};
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private string currentMapLayerName = "OpenStreetMap";
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@ -167,10 +162,9 @@ namespace ViewModel
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"Stamen Terrain",
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"Stamen Toner Light",
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"OpenStreetMap WMS",
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"OpenStreetMap TOPO WMS",
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"TopPlusOpen WMS",
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"TopPlusOpen WMTS",
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"SevenCs ChartServer",
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"SevenCs ChartServer WMS",
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};
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public MapLayers()
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