mirror of
https://github.com/ClemensFischer/XAML-Map-Control.git
synced 2026-04-08 07:55:13 +00:00
Renamed TileSource.UriFormat, improved WmtsCapabilities
This commit is contained in:
Clemens
parent
343888be5d
commit
916dc7d4af
13 changed files with 98 additions and 98 deletions
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@ -6,8 +6,8 @@ using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Linq;
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using System.Xml.Linq;
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using System.Threading.Tasks;
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using System.Xml.Linq;
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#if !WINUI && !UWP
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using System.Windows;
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#endif
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@ -19,6 +19,10 @@ namespace MapControl
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/// </summary>
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public class WmtsCapabilities
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{
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private static readonly XNamespace ows = "http://www.opengis.net/ows/1.1";
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private static readonly XNamespace wmts = "http://www.opengis.net/wmts/1.0";
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private static readonly XNamespace xlink = "http://www.w3.org/1999/xlink";
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public string LayerIdentifier { get; private set; }
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public WmtsTileSource TileSource { get; private set; }
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public List<WmtsTileMatrixSet> TileMatrixSets { get; private set; }
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@ -44,10 +48,7 @@ namespace MapControl
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public static WmtsCapabilities ReadCapabilities(XElement capabilitiesElement, string layerIdentifier, string capabilitiesUrl)
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{
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XNamespace ns = capabilitiesElement.Name.Namespace;
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XNamespace ows = "http://www.opengis.net/ows/1.1";
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var contentsElement = capabilitiesElement.Element(ns + "Contents");
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var contentsElement = capabilitiesElement.Element(wmts + "Contents");
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if (contentsElement == null)
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{
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@ -58,7 +59,7 @@ namespace MapControl
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if (!string.IsNullOrEmpty(layerIdentifier))
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{
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layerElement = contentsElement.Descendants(ns + "Layer")
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layerElement = contentsElement.Elements(wmts + "Layer")
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.FirstOrDefault(e => e.Element(ows + "Identifier")?.Value == layerIdentifier);
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if (layerElement == null)
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@ -68,7 +69,7 @@ namespace MapControl
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}
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else
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{
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layerElement = capabilitiesElement.Descendants(ns + "Layer").FirstOrDefault();
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layerElement = contentsElement.Elements(wmts + "Layer").FirstOrDefault();
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if (layerElement == null)
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{
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@ -78,34 +79,33 @@ namespace MapControl
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layerIdentifier = layerElement.Element(ows + "Identifier")?.Value ?? "";
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}
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var styleElement = layerElement.Descendants(ns + "Style")
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var styleElement = layerElement.Elements(wmts + "Style")
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.FirstOrDefault(e => e.Attribute("isDefault")?.Value == "true");
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if (styleElement == null)
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{
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styleElement = layerElement.Descendants(ns + "Style").FirstOrDefault();
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styleElement = layerElement.Elements(wmts + "Style").FirstOrDefault();
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}
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var style = styleElement?.Element(ows + "Identifier")?.Value;
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var styleIdentifier = styleElement?.Element(ows + "Identifier")?.Value;
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if (string.IsNullOrEmpty(style))
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if (string.IsNullOrEmpty(styleIdentifier))
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{
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throw new ArgumentException($"No valid Style element found in Layer \"{layerIdentifier}\".");
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throw new ArgumentException($"No Style element found in Layer \"{layerIdentifier}\".");
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}
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var urlTemplate = ReadUrlTemplate(layerElement, layerIdentifier, style, capabilitiesUrl);
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var urlTemplate = ReadUrlTemplate(capabilitiesElement, layerElement, layerIdentifier, styleIdentifier, capabilitiesUrl);
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var tileMatrixSetIds = layerElement
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.Descendants(ns + "TileMatrixSetLink")
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.Select(e => e.Element(ns + "TileMatrixSet")?.Value)
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.Where(id => !string.IsNullOrEmpty(id))
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.ToList();
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.Elements(wmts + "TileMatrixSetLink")
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.Select(e => e.Element(wmts + "TileMatrixSet")?.Value)
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.Where(id => !string.IsNullOrEmpty(id));
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var tileMatrixSets = new List<WmtsTileMatrixSet>();
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foreach (var tileMatrixSetId in tileMatrixSetIds)
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{
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var tileMatrixSetElement = capabilitiesElement.Descendants(ns + "TileMatrixSet")
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var tileMatrixSetElement = contentsElement.Elements(wmts + "TileMatrixSet")
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.FirstOrDefault(e => e.Element(ows + "Identifier")?.Value == tileMatrixSetId);
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if (tileMatrixSetElement == null)
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@ -119,19 +119,18 @@ namespace MapControl
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return new WmtsCapabilities
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{
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LayerIdentifier = layerIdentifier,
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TileSource = new WmtsTileSource { UriFormat = urlTemplate },
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TileSource = new WmtsTileSource { UriTemplate = urlTemplate },
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TileMatrixSets = tileMatrixSets
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};
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}
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public static string ReadUrlTemplate(XElement layerElement, string layerIdentifier, string style, string capabilitiesUrl)
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public static string ReadUrlTemplate(XElement capabilitiesElement, XElement layerElement, string layerIdentifier, string styleIdentifier, string capabilitiesUrl)
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{
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XNamespace ns = layerElement.Name.Namespace;
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const string formatPng = "image/png";
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const string formatJpg = "image/jpeg";
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string urlTemplate = null;
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var resourceUrls = layerElement.Descendants(ns + "ResourceURL")
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var resourceUrls = layerElement.Elements(wmts + "ResourceURL")
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.ToLookup(e => e.Attribute("format")?.Value ?? "", e => e.Attribute("template")?.Value ?? "");
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if (resourceUrls.Any())
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@ -140,39 +139,47 @@ namespace MapControl
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: resourceUrls.Contains(formatJpg) ? resourceUrls[formatJpg]
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: resourceUrls.First();
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urlTemplate = urlTemplates.First().Replace("{Style}", style);
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urlTemplate = urlTemplates.First().Replace("{Style}", styleIdentifier);
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}
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else if (capabilitiesUrl != null &&
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capabilitiesUrl.IndexOf("Request=GetCapabilities", StringComparison.OrdinalIgnoreCase) >= 0)
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else
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{
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// no ResourceURL and GetCapabilities KVP request, use GetTile KVP request encoding
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var requestUrl = capabilitiesElement
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.Elements(ows + "OperationsMetadata")
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.Elements(ows + "Operation").Where(e => e.Attribute("name")?.Value == "GetTile")
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.Elements(ows + "DCP")
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.Elements(ows + "HTTP")
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.Elements(ows + "Get").Select(e => e.Attribute(xlink + "href")?.Value)
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.FirstOrDefault();
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var formats = layerElement.Descendants(ns + "Format").Select(e => e.Value).ToList();
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var format = formatPng;
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if (formats.Count > 0)
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if (requestUrl == null &&
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capabilitiesUrl != null &&
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capabilitiesUrl.IndexOf("Request=GetCapabilities", StringComparison.OrdinalIgnoreCase) >= 0)
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{
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format = formats.Contains(formatPng) ? formatPng
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: formats.Contains(formatJpg) ? formatJpg
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: formats[0];
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requestUrl = capabilitiesUrl;
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}
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urlTemplate = capabilitiesUrl.Split('?')[0]
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+ "?Service=WMTS"
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+ "&Request=GetTile"
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+ "&Version=1.0.0"
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+ "&Layer=" + layerIdentifier
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+ "&Style=" + style
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+ "&Format=" + format
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+ "&TileMatrixSet={TileMatrixSet}"
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+ "&TileMatrix={TileMatrix}"
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+ "&TileRow={TileRow}"
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+ "&TileCol={TileCol}";
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if (requestUrl != null)
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{
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var formats = layerElement.Elements(wmts + "Format").Select(e => e.Value);
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var format = formats.Contains(formatPng) ? formatPng
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: formats.Contains(formatJpg) ? formatJpg
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: formats.FirstOrDefault();
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if (string.IsNullOrEmpty(format))
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{
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format = formatPng;
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}
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urlTemplate = requestUrl.Split('?')[0]
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+ "?Service=WMTS&Request=GetTile&Version=1.0.0"
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+ "&Layer=" + layerIdentifier + "&Style=" + styleIdentifier + "&Format=" + format
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+ "&TileMatrixSet={TileMatrixSet}&TileMatrix={TileMatrix}&TileRow={TileRow}&TileCol={TileCol}";
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}
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}
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if (string.IsNullOrEmpty(urlTemplate))
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{
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throw new ArgumentException($"No valid ResourceURL element found in Layer \"{layerIdentifier}\".");
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throw new ArgumentException($"No ResourceURL element in Layer \"{layerIdentifier}\" and no GetTile KVP Operation Metadata found.");
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}
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return urlTemplate;
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@ -180,21 +187,18 @@ namespace MapControl
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public static WmtsTileMatrixSet ReadTileMatrixSet(XElement tileMatrixSetElement)
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{
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XNamespace ns = tileMatrixSetElement.Name.Namespace;
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XNamespace ows = "http://www.opengis.net/ows/1.1";
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var identifier = tileMatrixSetElement.Element(ows + "Identifier")?.Value;
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if (string.IsNullOrEmpty(identifier))
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{
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throw new ArgumentException("No ows:Identifier element found in TileMatrixSet.");
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throw new ArgumentException("No Identifier element found in TileMatrixSet.");
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}
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var supportedCrs = tileMatrixSetElement.Element(ows + "SupportedCRS")?.Value;
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if (string.IsNullOrEmpty(supportedCrs))
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{
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throw new ArgumentException($"No ows:SupportedCRS element found in TileMatrixSet \"{identifier}\".");
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throw new ArgumentException($"No SupportedCRS element found in TileMatrixSet \"{identifier}\".");
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}
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const string urnPrefix = "urn:ogc:def:crs:EPSG:";
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@ -211,7 +215,7 @@ namespace MapControl
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var tileMatrixes = new List<WmtsTileMatrix>();
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foreach (var tileMatrixElement in tileMatrixSetElement.Descendants(ns + "TileMatrix"))
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foreach (var tileMatrixElement in tileMatrixSetElement.Elements(wmts + "TileMatrix"))
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{
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tileMatrixes.Add(ReadTileMatrix(tileMatrixElement, supportedCrs));
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}
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@ -226,17 +230,14 @@ namespace MapControl
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public static WmtsTileMatrix ReadTileMatrix(XElement tileMatrixElement, string supportedCrs)
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{
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XNamespace ns = tileMatrixElement.Name.Namespace;
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XNamespace ows = "http://www.opengis.net/ows/1.1";
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var identifier = tileMatrixElement.Element(ows + "Identifier")?.Value;
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if (string.IsNullOrEmpty(identifier))
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{
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throw new ArgumentException("No ows:Identifier element found in TileMatrix.");
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throw new ArgumentException("No Identifier element found in TileMatrix.");
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}
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var valueString = tileMatrixElement.Element(ns + "ScaleDenominator")?.Value;
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var valueString = tileMatrixElement.Element(wmts + "ScaleDenominator")?.Value;
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if (string.IsNullOrEmpty(valueString) ||
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!double.TryParse(valueString, NumberStyles.Float, CultureInfo.InvariantCulture, out double scaleDenominator))
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@ -244,7 +245,7 @@ namespace MapControl
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throw new ArgumentException($"No ScaleDenominator element found in TileMatrix \"{identifier}\".");
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}
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valueString = tileMatrixElement.Element(ns + "TopLeftCorner")?.Value;
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valueString = tileMatrixElement.Element(wmts + "TopLeftCorner")?.Value;
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string[] topLeftCornerStrings;
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if (string.IsNullOrEmpty(valueString) ||
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@ -255,28 +256,28 @@ namespace MapControl
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throw new ArgumentException($"No TopLeftCorner element found in TileMatrix \"{identifier}\".");
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}
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valueString = tileMatrixElement.Element(ns + "TileWidth")?.Value;
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valueString = tileMatrixElement.Element(wmts + "TileWidth")?.Value;
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if (string.IsNullOrEmpty(valueString) || !int.TryParse(valueString, out int tileWidth))
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{
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throw new ArgumentException($"No TileWidth element found in TileMatrix \"{identifier}\".");
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}
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valueString = tileMatrixElement.Element(ns + "TileHeight")?.Value;
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valueString = tileMatrixElement.Element(wmts + "TileHeight")?.Value;
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if (string.IsNullOrEmpty(valueString) || !int.TryParse(valueString, out int tileHeight))
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{
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throw new ArgumentException($"No TileHeight element found in TileMatrix \"{identifier}\".");
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}
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valueString = tileMatrixElement.Element(ns + "MatrixWidth")?.Value;
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valueString = tileMatrixElement.Element(wmts + "MatrixWidth")?.Value;
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if (string.IsNullOrEmpty(valueString) || !int.TryParse(valueString, out int matrixWidth))
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{
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throw new ArgumentException($"No MatrixWidth element found in TileMatrix \"{identifier}\".");
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}
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valueString = tileMatrixElement.Element(ns + "MatrixHeight")?.Value;
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valueString = tileMatrixElement.Element(wmts + "MatrixHeight")?.Value;
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if (string.IsNullOrEmpty(valueString) || !int.TryParse(valueString, out int matrixHeight))
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{
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