107 lines
4.1 KiB
C#
107 lines
4.1 KiB
C#
using System;
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using System.IO;
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using System.Linq;
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using Aspose.Gis;
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using Aspose.GIS.Examples.CSharp;
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using Aspose.Gis.Formats.XyzTile;
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using Aspose.Gis.Rendering;
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using Aspose.Gis.SpatialReferencing;
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namespace Aspose.GIS_for.NET.Rendering
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{
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public static class ReadTilesFromXyzFormat
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{
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public static void Run()
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{
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// Note: a license is required to run this example.
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// You can request a 30-day temporary license here: https://purchase.aspose.com/temporary-license
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var pathToLicenseFile = @""; // <- change this to the path to your license file
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if (!string.IsNullOrEmpty(pathToLicenseFile))
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{
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var license = new License();
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license.SetLicense(pathToLicenseFile);
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}
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Console.WriteLine($"Example: {nameof(OpenStreetXyzTile)}");
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OpenStreetXyzTile();
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Console.WriteLine("");
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Console.WriteLine($"Example: {nameof(OpenStreetXyzTiles)}");
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OpenStreetXyzTiles();
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Console.WriteLine("");
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Console.WriteLine($"Example: {nameof(OpenTileFromFolder)}");
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OpenTileFromFolder();
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}
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private static void OpenStreetXyzTile()
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{
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// ExStart: OpenStreetXyzTile
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var mapPath = Path.Combine(RunExamples.GetDataDir(), "out_osm_tile.png");
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// we use the osm tile server
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string url = "http://tile.openstreetmap.org/{z}/{x}/{y}.png";
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using (var layer = Drivers.XyzTiles.OpenLayer(new XyzConnection(url)))
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{
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// print tile info
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var tile = layer.GetTile(2, 3, 1);
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Console.WriteLine($"CellX: {tile.CellX}, CellY: {tile.CellY}" );
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Console.WriteLine($"Path: {tile.AsPath()}");
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// render tile
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var resampling = new RasterMapResampling() { Height = 256, Width = 256 };
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using (var map = new Map(800, 800))
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{
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var raster = tile.AsRaster();
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map.Add(new RasterMapLayer(raster){Resampling = resampling});
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map.Render(mapPath, Renderers.Png);
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}
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Console.WriteLine($"Rendered Map: {mapPath}");
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}
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// ExEnd: OpenStreetXyzTile
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}
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private static void OpenStreetXyzTiles()
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{
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// ExStart: OpenStreetXyzTiles
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var mapPath = Path.Combine(RunExamples.GetDataDir(), "out_osm_tiles.png");
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// we use the osm tile server
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string url = "http://tile.openstreetmap.org/{z}/{x}/{y}.png";
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using (var layer = Drivers.XyzTiles.OpenLayer(new XyzConnection(url)))
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{
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// print tiles info
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var extent = new Extent(-90, -40, 90, 40) {SpatialReferenceSystem = SpatialReferenceSystem.Wgs84};
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var tiles = layer.GetTiles(2, extent).ToList();
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// render tiles
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var resampling = new RasterMapResampling() { Height = 800, Width = 800 };
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using (var map = new Map(800, 800))
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{
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foreach (var tile in tiles)
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{
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var raster = tile.AsRaster();
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map.Add(new RasterMapLayer(raster) { Resampling = resampling });
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}
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map.Render(mapPath, Renderers.Png);
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}
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Console.WriteLine($"Rendered Map: {mapPath}");
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}
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// ExEnd: OpenStreetXyzTiles
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}
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private static void OpenTileFromFolder()
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{
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// ExStart: OpenTileFromFolder
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string url = "C://tiles/{z}/{x}/{y}.png";
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using (var layer = Drivers.XyzTiles.OpenLayer(new XyzConnection(url)))
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{
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// print tile info
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var tile = layer.GetTile(0, 0, 0);
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Console.WriteLine($"CellX: {tile.CellX}, CellY: {tile.CellY}");
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Console.WriteLine($"Path: {tile.AsPath()}");
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}
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// ExEnd: OpenTileFromFolder
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}
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}
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} |