mirror of
https://github.com/ClemensFischer/XAML-Map-Control.git
synced 2025-12-06 07:12:04 +01:00
Version 4.17.0: Added support for WMTS
This commit is contained in:
ClemensF
parent
b687487be2
commit
e06e910126
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@ -5,7 +5,6 @@
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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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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#if WINDOWS_UWP
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@ -21,15 +20,11 @@ namespace MapControl
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{
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public static readonly DependencyProperty CapabilitiesUriProperty = DependencyProperty.Register(
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nameof(CapabilitiesUri), typeof(Uri), typeof(WmtsTileLayer),
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new PropertyMetadata(null, (o, e) => ((WmtsTileLayer)o).TileMatrixSet = null));
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new PropertyMetadata(null, (o, e) => ((WmtsTileLayer)o).TileMatrixSets.Clear()));
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public static readonly DependencyProperty LayerIdentifierProperty = DependencyProperty.Register(
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nameof(LayerIdentifier), typeof(string), typeof(WmtsTileLayer), new PropertyMetadata(null));
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public static readonly DependencyProperty TileMatrixSetProperty = DependencyProperty.Register(
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nameof(TileMatrixSet), typeof(WmtsTileMatrixSet), typeof(WmtsTileLayer),
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new PropertyMetadata(null, (o, e) => ((WmtsTileLayer)o).UpdateTileLayer()));
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public WmtsTileLayer()
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: this(new TileImageLoader())
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{
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@ -53,11 +48,7 @@ namespace MapControl
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set { SetValue(LayerIdentifierProperty, value); }
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}
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public WmtsTileMatrixSet TileMatrixSet
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{
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get { return (WmtsTileMatrixSet)GetValue(TileMatrixSetProperty); }
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set { SetValue(TileMatrixSetProperty, value); }
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}
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public Dictionary<string, WmtsTileMatrixSet> TileMatrixSets { get; } = new Dictionary<string, WmtsTileMatrixSet>();
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protected override Size MeasureOverride(Size availableSize)
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{
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@ -87,17 +78,18 @@ namespace MapControl
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{
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UpdateTimer.Stop();
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WmtsTileMatrixSet tileMatrixSet;
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if (ParentMap == null ||
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TileMatrixSet == null ||
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ParentMap.MapProjection.CrsId != TileMatrixSet.SupportedCrs)
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!TileMatrixSets.TryGetValue(ParentMap.MapProjection.CrsId, out tileMatrixSet))
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{
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Children.Clear();
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UpdateTiles();
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UpdateTiles(null);
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}
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else if (UpdateChildLayers())
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else if (UpdateChildLayers(tileMatrixSet))
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{
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SetRenderTransform();
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UpdateTiles();
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UpdateTiles(tileMatrixSet);
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}
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}
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@ -109,56 +101,53 @@ namespace MapControl
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}
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}
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private bool UpdateChildLayers()
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private bool UpdateChildLayers(WmtsTileMatrixSet tileMatrixSet)
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{
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bool layersChanged = false;
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if (TileMatrixSet != null)
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// show all TileMatrix layers with Scale <= ViewportScale, or at least the first layer
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//
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var currentMatrixes = tileMatrixSet.TileMatrixes
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.Where((matrix, i) => i == 0 || matrix.Scale <= ParentMap.MapProjection.ViewportScale)
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.ToList();
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if (this != ParentMap.MapLayer) // do not load background tiles
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{
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// show all TileMatrix layers with Scale <= ViewportScale, or at least the first layer
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//
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var currentMatrixes = TileMatrixSet.TileMatrixes
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.Where((matrix, i) => i == 0 || matrix.Scale <= ParentMap.MapProjection.ViewportScale)
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.ToList();
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currentMatrixes = currentMatrixes.Skip(currentMatrixes.Count - 1).ToList(); // last element only
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}
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else if (currentMatrixes.Count > MaxBackgroundLevels + 1)
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{
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currentMatrixes = currentMatrixes.Skip(currentMatrixes.Count - MaxBackgroundLevels - 1).ToList();
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}
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if (this != ParentMap.MapLayer) // do not load background tiles
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var currentLayers = Children.Cast<WmtsTileMatrixLayer>()
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.Where(layer => currentMatrixes.Contains(layer.TileMatrix))
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.ToList();
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Children.Clear();
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foreach (var tileMatrix in currentMatrixes)
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{
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var layer = currentLayers.FirstOrDefault(l => l.TileMatrix == tileMatrix);
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if (layer == null)
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{
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currentMatrixes = currentMatrixes.Skip(currentMatrixes.Count - 1).ToList(); // last element only
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}
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else if (currentMatrixes.Count > MaxBackgroundLevels + 1)
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{
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currentMatrixes = currentMatrixes.Skip(currentMatrixes.Count - MaxBackgroundLevels - 1).ToList();
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layer = new WmtsTileMatrixLayer(tileMatrix, tileMatrixSet.TileMatrixes.IndexOf(tileMatrix));
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layersChanged = true;
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}
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var currentLayers = Children.Cast<WmtsTileMatrixLayer>()
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.Where(layer => currentMatrixes.Contains(layer.TileMatrix))
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.ToList();
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Children.Clear();
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foreach (var tileMatrix in currentMatrixes)
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if (layer.SetBounds(ParentMap.MapProjection, ParentMap.Heading, ParentMap.RenderSize))
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{
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var layer = currentLayers.FirstOrDefault(l => l.TileMatrix == tileMatrix);
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if (layer == null)
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{
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layer = new WmtsTileMatrixLayer(tileMatrix, TileMatrixSet.TileMatrixes.IndexOf(tileMatrix));
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layersChanged = true;
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}
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if (layer.SetBounds(ParentMap.MapProjection, ParentMap.Heading, ParentMap.RenderSize))
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{
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layersChanged = true;
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}
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Children.Add(layer);
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layersChanged = true;
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}
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Children.Add(layer);
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}
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return layersChanged;
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}
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private void UpdateTiles()
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private void UpdateTiles(WmtsTileMatrixSet tileMatrixSet)
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{
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var tiles = new List<Tile>();
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@ -169,12 +158,25 @@ namespace MapControl
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tiles.AddRange(layer.Tiles);
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}
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TileImageLoader.LoadTilesAsync(tiles, TileSource, SourceName);
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var tileSource = TileSource as WmtsTileSource;
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var sourceName = SourceName;
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if (tileSource != null && tileMatrixSet != null)
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{
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tileSource.TileMatrixSet = tileMatrixSet;
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if (sourceName != null)
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{
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sourceName += "/" + tileMatrixSet.Identifier;
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}
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}
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TileImageLoader.LoadTilesAsync(tiles, TileSource, sourceName);
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}
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private async void OnLoaded(object sender, RoutedEventArgs e)
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{
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if (TileMatrixSet == null && CapabilitiesUri != null)
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if (TileMatrixSets.Count == 0 && CapabilitiesUri != null)
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{
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try
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{
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@ -197,10 +199,12 @@ namespace MapControl
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}
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}
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private void ReadCapabilities(XElement capabilities)
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private void ReadCapabilities(XElement capabilitiesElement)
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{
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var ns = capabilities.Name.Namespace;
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var contentsElement = capabilities.Element(ns + "Contents");
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TileMatrixSets.Clear();
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var ns = capabilitiesElement.Name.Namespace;
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var contentsElement = capabilitiesElement.Element(ns + "Contents");
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if (contentsElement == null)
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{
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@ -222,7 +226,7 @@ namespace MapControl
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}
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else
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{
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layerElement = capabilities.Descendants(ns + "Layer").FirstOrDefault();
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layerElement = capabilitiesElement.Descendants(ns + "Layer").FirstOrDefault();
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if (layerElement == null)
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{
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@ -232,11 +236,11 @@ namespace MapControl
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LayerIdentifier = layerElement.Element(ows + "Identifier")?.Value ?? "";
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}
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var tileMatrixSetId = layerElement.Element(ns + "TileMatrixSetLink")?.Element(ns + "TileMatrixSet")?.Value;
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var urlTemplate = layerElement.Element(ns + "ResourceURL")?.Attribute("template")?.Value;
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if (string.IsNullOrEmpty(tileMatrixSetId))
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if (string.IsNullOrEmpty(urlTemplate))
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{
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throw new ArgumentException("TileMatrixSetLink element not found.");
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throw new ArgumentException("No valid ResourceURL element found in Layer \"" + LayerIdentifier + "\".");
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}
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var styleElement = layerElement.Descendants(ns + "Style")
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@ -251,110 +255,33 @@ namespace MapControl
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if (string.IsNullOrEmpty(style))
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{
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throw new ArgumentException("Style element not found.");
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throw new ArgumentException("No valid Style element found in Layer \"" + LayerIdentifier + "\".");
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}
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var urlTemplate = layerElement.Element(ns + "ResourceURL")?.Attribute("template")?.Value;
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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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if (string.IsNullOrEmpty(urlTemplate))
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foreach (var tileMatrixSetId in tileMatrixSetIds)
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{
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throw new ArgumentException("ResourceURL element (or template attribute) not found in Layer \"" + LayerIdentifier + "\".");
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var tileMatrixSetElement = capabilitiesElement.Descendants(ns + "TileMatrixSet")
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.FirstOrDefault(e => e.Element(ows + "Identifier")?.Value == tileMatrixSetId);
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if (tileMatrixSetElement == null)
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{
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throw new ArgumentException("Linked TileMatrixSet element not found in Layer \"" + LayerIdentifier + "\".");
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}
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var tileMatrixSet = WmtsTileMatrixSet.Create(tileMatrixSetElement);
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TileMatrixSets.Add(tileMatrixSet.SupportedCrs, tileMatrixSet);
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}
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var tileMatrixSetElement = capabilities.Descendants(ns + "TileMatrixSet")
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.FirstOrDefault(e => e.Element(ows + "Identifier")?.Value == tileMatrixSetId);
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TileSource = new WmtsTileSource(urlTemplate.Replace("{Style}", style));
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if (tileMatrixSetElement == null)
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{
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throw new ArgumentException("Linked TileMatrixSet element not found in Layer \"" + LayerIdentifier + "\".");
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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("ows:SupportedCRS element not found in TileMatrixSet \"" + tileMatrixSetId + "\".");
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}
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var tileMatrixes = new List<WmtsTileMatrix>();
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foreach (var tileMatrix in tileMatrixSetElement.Descendants(ns + "TileMatrix"))
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{
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var tileMatrixId = tileMatrix.Element(ows + "Identifier")?.Value;
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if (string.IsNullOrEmpty(tileMatrixId))
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{
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throw new ArgumentException("ows:Identifier element not found in TileMatrix.");
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}
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string[] topLeftCornerStrings;
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double scaleDenominator, top, left;
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int tileWidth, tileHeight, matrixWidth, matrixHeight;
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var valueString = tileMatrix.Element(ns + "ScaleDenominator")?.Value;
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if (string.IsNullOrEmpty(valueString) ||
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!double.TryParse(valueString, NumberStyles.Float, CultureInfo.InvariantCulture, out scaleDenominator))
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{
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throw new ArgumentException("ScaleDenominator element not found in TileMatrix \"" + tileMatrixId + "\".");
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}
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valueString = tileMatrix.Element(ns + "TopLeftCorner")?.Value;
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if (string.IsNullOrEmpty(valueString) ||
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(topLeftCornerStrings = valueString.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)).Length < 2 ||
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!double.TryParse(topLeftCornerStrings[0], NumberStyles.Float, CultureInfo.InvariantCulture, out left) ||
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!double.TryParse(topLeftCornerStrings[1], NumberStyles.Float, CultureInfo.InvariantCulture, out top))
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{
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throw new ArgumentException("TopLeftCorner element not found in TileMatrix \"" + tileMatrixId + "\".");
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}
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valueString = tileMatrix.Element(ns + "TileWidth")?.Value;
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if (string.IsNullOrEmpty(valueString) || !int.TryParse(valueString, out tileWidth))
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{
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throw new ArgumentException("TileWidth element not found in TileMatrix \"" + tileMatrixId + "\".");
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}
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valueString = tileMatrix.Element(ns + "TileHeight")?.Value;
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if (string.IsNullOrEmpty(valueString) || !int.TryParse(valueString, out tileHeight))
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{
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throw new ArgumentException("TileHeight element not found in TileMatrix \"" + tileMatrixId + "\".");
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}
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valueString = tileMatrix.Element(ns + "MatrixWidth")?.Value;
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if (string.IsNullOrEmpty(valueString) || !int.TryParse(valueString, out matrixWidth))
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{
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throw new ArgumentException("MatrixWidth element not found in TileMatrix \"" + tileMatrixId + "\".");
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}
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valueString = tileMatrix.Element(ns + "MatrixHeight")?.Value;
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if (string.IsNullOrEmpty(valueString) || !int.TryParse(valueString, out matrixHeight))
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{
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throw new ArgumentException("MatrixHeight element not found in TileMatrix \"" + tileMatrixId + "\".");
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}
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tileMatrixes.Add(new WmtsTileMatrix(
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tileMatrixId, scaleDenominator, new Point(left, top), tileWidth, tileHeight, matrixWidth, matrixHeight));
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}
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if (tileMatrixes.Count <= 0)
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{
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throw new ArgumentException("No TileMatrix elements found in TileMatrixSet \"" + tileMatrixSetId + "\".");
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}
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var tileMatrixSet = new WmtsTileMatrixSet(tileMatrixSetId, supportedCrs, tileMatrixes);
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urlTemplate = urlTemplate
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.Replace("{Style}", style)
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.Replace("{TileMatrixSet}", tileMatrixSet.Identifier);
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TileSource = new WmtsTileSource(urlTemplate, tileMatrixSet.TileMatrixes);
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TileMatrixSet = tileMatrixSet; // calls UpdateTileLayer()
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UpdateTileLayer();
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}
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}
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}
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@ -2,6 +2,9 @@
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// © 2020 Clemens Fischer
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// Licensed under the Microsoft Public License (Ms-PL)
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using System;
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using System.Globalization;
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using System.Xml.Linq;
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#if !WINDOWS_UWP
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using System.Windows;
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#endif
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@ -10,6 +13,14 @@ namespace MapControl
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{
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public class WmtsTileMatrix
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{
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public string Identifier { get; }
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public double Scale { get; }
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public Point TopLeft { get; }
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public int TileWidth { get; }
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public int TileHeight { get; }
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public int MatrixWidth { get; }
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public int MatrixHeight { get; }
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public WmtsTileMatrix(string identifier, double scaleDenominator, Point topLeft,
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int tileWidth, int tileHeight, int matrixWidth, int matrixHeight)
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{
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@ -22,12 +33,70 @@ namespace MapControl
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MatrixHeight = matrixHeight;
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}
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public string Identifier { get; }
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public double Scale { get; }
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public Point TopLeft { get; }
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public int TileWidth { get; }
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public int TileHeight { get; }
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public int MatrixWidth { get; }
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public int MatrixHeight { get; }
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public static WmtsTileMatrix Create(XElement tileMatrixElement)
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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("ows:Identifier element not found in TileMatrix.");
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}
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string[] topLeftCornerStrings;
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double scaleDenominator, top, left;
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int tileWidth, tileHeight, matrixWidth, matrixHeight;
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var valueString = tileMatrixElement.Element(ns + "ScaleDenominator")?.Value;
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if (string.IsNullOrEmpty(valueString) ||
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!double.TryParse(valueString, NumberStyles.Float, CultureInfo.InvariantCulture, out scaleDenominator))
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{
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throw new ArgumentException("ScaleDenominator element not found in TileMatrix \"" + identifier + "\".");
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}
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valueString = tileMatrixElement.Element(ns + "TopLeftCorner")?.Value;
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if (string.IsNullOrEmpty(valueString) ||
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(topLeftCornerStrings = valueString.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)).Length < 2 ||
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!double.TryParse(topLeftCornerStrings[0], NumberStyles.Float, CultureInfo.InvariantCulture, out left) ||
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!double.TryParse(topLeftCornerStrings[1], NumberStyles.Float, CultureInfo.InvariantCulture, out top))
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{
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throw new ArgumentException("TopLeftCorner element not found in TileMatrix \"" + identifier + "\".");
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}
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valueString = tileMatrixElement.Element(ns + "TileWidth")?.Value;
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if (string.IsNullOrEmpty(valueString) || !int.TryParse(valueString, out tileWidth))
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{
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throw new ArgumentException("TileWidth element not found in TileMatrix \"" + identifier + "\".");
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}
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valueString = tileMatrixElement.Element(ns + "TileHeight")?.Value;
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if (string.IsNullOrEmpty(valueString) || !int.TryParse(valueString, out tileHeight))
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{
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throw new ArgumentException("TileHeight element not found in TileMatrix \"" + identifier + "\".");
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}
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valueString = tileMatrixElement.Element(ns + "MatrixWidth")?.Value;
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if (string.IsNullOrEmpty(valueString) || !int.TryParse(valueString, out matrixWidth))
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{
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throw new ArgumentException("MatrixWidth element not found in TileMatrix \"" + identifier + "\".");
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}
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valueString = tileMatrixElement.Element(ns + "MatrixHeight")?.Value;
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if (string.IsNullOrEmpty(valueString) || !int.TryParse(valueString, out matrixHeight))
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{
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throw new ArgumentException("MatrixHeight element not found in TileMatrix \"" + identifier + "\".");
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}
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return new WmtsTileMatrix(
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identifier, scaleDenominator, new Point(left, top), tileWidth, tileHeight, matrixWidth, matrixHeight);
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}
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}
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}
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@ -5,11 +5,16 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Xml.Linq;
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namespace MapControl
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{
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public class WmtsTileMatrixSet
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{
|
||||
public string Identifier { get; }
|
||||
public string SupportedCrs { get; }
|
||||
public IList<WmtsTileMatrix> TileMatrixes { get; }
|
||||
|
||||
public WmtsTileMatrixSet(string identifier, string supportedCrs, IEnumerable<WmtsTileMatrix> tileMatrixes)
|
||||
{
|
||||
if (string.IsNullOrEmpty(identifier))
|
||||
|
|
@ -32,8 +37,38 @@ namespace MapControl
|
|||
TileMatrixes = tileMatrixes.OrderBy(m => m.Scale).ToList();
|
||||
}
|
||||
|
||||
public string Identifier { get; }
|
||||
public string SupportedCrs { get; }
|
||||
public IList<WmtsTileMatrix> TileMatrixes { get; }
|
||||
public static WmtsTileMatrixSet Create(XElement tileMatrixSetElement)
|
||||
{
|
||||
XNamespace ns = tileMatrixSetElement.Name.Namespace;
|
||||
XNamespace ows = "http://www.opengis.net/ows/1.1";
|
||||
|
||||
var identifier = tileMatrixSetElement.Element(ows + "Identifier")?.Value;
|
||||
|
||||
if (string.IsNullOrEmpty(identifier))
|
||||
{
|
||||
throw new ArgumentException("ows:Identifier element not found in TileMatrixSet.");
|
||||
}
|
||||
|
||||
var supportedCrs = tileMatrixSetElement.Element(ows + "SupportedCRS")?.Value;
|
||||
|
||||
if (string.IsNullOrEmpty(supportedCrs))
|
||||
{
|
||||
throw new ArgumentException("ows:SupportedCRS element not found in TileMatrixSet \"" + identifier + "\".");
|
||||
}
|
||||
|
||||
var tileMatrixes = new List<WmtsTileMatrix>();
|
||||
|
||||
foreach (var tileMatrixElement in tileMatrixSetElement.Descendants(ns + "TileMatrix"))
|
||||
{
|
||||
tileMatrixes.Add(WmtsTileMatrix.Create(tileMatrixElement));
|
||||
}
|
||||
|
||||
if (tileMatrixes.Count <= 0)
|
||||
{
|
||||
throw new ArgumentException("No TileMatrix elements found in TileMatrixSet \"" + identifier + "\".");
|
||||
}
|
||||
|
||||
return new WmtsTileMatrixSet(identifier, supportedCrs, tileMatrixes);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -9,22 +9,22 @@ namespace MapControl
|
|||
{
|
||||
public class WmtsTileSource : TileSource
|
||||
{
|
||||
private readonly IList<WmtsTileMatrix> tileMatrixes;
|
||||
|
||||
public WmtsTileSource(string uriFormat, IList<WmtsTileMatrix> tileMatrixes)
|
||||
public WmtsTileSource(string uriFormat)
|
||||
: base(uriFormat)
|
||||
{
|
||||
this.tileMatrixes = tileMatrixes;
|
||||
}
|
||||
|
||||
public WmtsTileMatrixSet TileMatrixSet { get; set; }
|
||||
|
||||
public override Uri GetUri(int x, int y, int zoomLevel)
|
||||
{
|
||||
Uri uri = null;
|
||||
|
||||
if (zoomLevel >= 0 && zoomLevel < tileMatrixes.Count)
|
||||
if (TileMatrixSet != null && zoomLevel >= 0 && zoomLevel < TileMatrixSet.TileMatrixes.Count)
|
||||
{
|
||||
uri = new Uri(UriFormat
|
||||
.Replace("{TileMatrix}", tileMatrixes[zoomLevel].Identifier)
|
||||
.Replace("{TileMatrixSet}", TileMatrixSet.Identifier)
|
||||
.Replace("{TileMatrix}", TileMatrixSet.TileMatrixes[zoomLevel].Identifier)
|
||||
.Replace("{TileCol}", x.ToString())
|
||||
.Replace("{TileRow}", y.ToString()));
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue