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Version 4.17.0: Added support for WMTS

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ClemensF 2020-03-21 01:52:17 +01:00
parent b687487be2
commit e06e910126
4 changed files with 204 additions and 173 deletions
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41
MapControl/Shared/WmtsTileMatrixSet.cs
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@ -5,11 +5,16 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Xml.Linq;
namespace MapControl
{
public class WmtsTileMatrixSet
{
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);
}
}
}