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Updated WMTS implementation

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ClemensF 2020-04-15 20:46:16 +02:00
parent 375c5d0b58
commit 209d06adf5
6 changed files with 243 additions and 205 deletions
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69
MapControl/Shared/WmtsTileMatrix.cs
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@ -2,9 +2,6 @@
// © 2020 Clemens Fischer
// Licensed under the Microsoft Public License (Ms-PL)
using System;
using System.Globalization;
using System.Xml.Linq;
#if !WINDOWS_UWP
using System.Windows;
#endif
@ -32,71 +29,5 @@ namespace MapControl
MatrixWidth = matrixWidth;
MatrixHeight = matrixHeight;
}
public static WmtsTileMatrix Create(XElement tileMatrixElement)
{
XNamespace ns = tileMatrixElement.Name.Namespace;
XNamespace ows = "http://www.opengis.net/ows/1.1";
var identifier = tileMatrixElement.Element(ows + "Identifier")?.Value;
if (string.IsNullOrEmpty(identifier))
{
throw new ArgumentException("ows:Identifier element not found in TileMatrix.");
}
string[] topLeftCornerStrings;
double scaleDenominator, top, left;
int tileWidth, tileHeight, matrixWidth, matrixHeight;
var valueString = tileMatrixElement.Element(ns + "ScaleDenominator")?.Value;
if (string.IsNullOrEmpty(valueString) ||
!double.TryParse(valueString, NumberStyles.Float, CultureInfo.InvariantCulture, out scaleDenominator))
{
throw new ArgumentException("ScaleDenominator element not found in TileMatrix \"" + identifier + "\".");
}
valueString = tileMatrixElement.Element(ns + "TopLeftCorner")?.Value;
if (string.IsNullOrEmpty(valueString) ||
(topLeftCornerStrings = valueString.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)).Length < 2 ||
!double.TryParse(topLeftCornerStrings[0], NumberStyles.Float, CultureInfo.InvariantCulture, out left) ||
!double.TryParse(topLeftCornerStrings[1], NumberStyles.Float, CultureInfo.InvariantCulture, out top))
{
throw new ArgumentException("TopLeftCorner element not found in TileMatrix \"" + identifier + "\".");
}
valueString = tileMatrixElement.Element(ns + "TileWidth")?.Value;
if (string.IsNullOrEmpty(valueString) || !int.TryParse(valueString, out tileWidth))
{
throw new ArgumentException("TileWidth element not found in TileMatrix \"" + identifier + "\".");
}
valueString = tileMatrixElement.Element(ns + "TileHeight")?.Value;
if (string.IsNullOrEmpty(valueString) || !int.TryParse(valueString, out tileHeight))
{
throw new ArgumentException("TileHeight element not found in TileMatrix \"" + identifier + "\".");
}
valueString = tileMatrixElement.Element(ns + "MatrixWidth")?.Value;
if (string.IsNullOrEmpty(valueString) || !int.TryParse(valueString, out matrixWidth))
{
throw new ArgumentException("MatrixWidth element not found in TileMatrix \"" + identifier + "\".");
}
valueString = tileMatrixElement.Element(ns + "MatrixHeight")?.Value;
if (string.IsNullOrEmpty(valueString) || !int.TryParse(valueString, out matrixHeight))
{
throw new ArgumentException("MatrixHeight element not found in TileMatrix \"" + identifier + "\".");
}
return new WmtsTileMatrix(
identifier, scaleDenominator, new Point(left, top), tileWidth, tileHeight, matrixWidth, matrixHeight);
}
}
}