public MGLStyleFile CreateMGLStyleFile()
{
var assembly = Assembly.GetExecutingAssembly();
var resourceNames = assembly.GetManifestResourceNames();
var resourceName = resourceNames.FirstOrDefault(s => s.ToLower().EndsWith("styles.osm-liberty.json") == true);
MGLStyleFile result;
if (string.IsNullOrEmpty(resourceName))
{
return(null);
}
// Open JSON style files and read contents
using (var stream = assembly.GetManifestResourceStream(resourceName))
{
// Open JSON style files and read contents
result = MGLStyleLoader.Load(stream);
}
return(result);
}
static void Main(string[] args)
{
var assembly = Assembly.GetExecutingAssembly();
var resourceNames = assembly.GetManifestResourceNames();
var resourceName = resourceNames.FirstOrDefault(s => string.Compare(s, "Factory.Styles.osm-liberty.json", true) == 0);
if (string.IsNullOrEmpty(resourceName))
{
return;
}
var stopwatch = new System.Diagnostics.Stopwatch();
MGLStyleFile mglStyleFile;
stopwatch.Start();
// Open JSON style files and read contents
using (var stream = assembly.GetManifestResourceStream(resourceName))
{
mglStyleFile = MGLStyleLoader.Load(stream);
};
stopwatch.Stop();
stopwatchResults.Add($"Elapsed time for loading style file: {stopwatch.ElapsedMilliseconds} ms");
// Now create picture for tile
var tile = new TileInfo
{
// Calc for Google link: Y = 2^zoom - Y - 1
//Index = new TileIndex(68238, 83276, "17") // Google: https://a.tile.openstreetmap.org/17/68238/47795.png
//Index = new TileIndex(34118, 41636, "16") // Google: https://a.tile.openstreetmap.org/16/34119/23897.png
//Index = new TileIndex(17059, 20819, "15") // Google: https://a.tile.openstreetmap.org/15/17059/11948.png
//Index = new TileIndex(8529, 10409, "14") // Google: https://a.tile.openstreetmap.org/14/8529/5974.png
//Index = new TileIndex(4264, 5204, "13")
//Index = new TileIndex(2132, 2602, "12")
//Index = new TileIndex(1066, 1301, "11")
//Index = new TileIndex(533, 650, "10")
//Index = new TileIndex(266, 325, "9")
//Index = new TileIndex(133, 163, "8")
//Index = new TileIndex(66, 81, "7")
//Index = new TileIndex(33, 40, "6")
//Index = new TileIndex(16, 20, "5")
//Index = new TileIndex(8, 10, "4")
//Index = new TileIndex(4, 5, "3")
Index = new TileIndex(2, 2, "2")
//Index = new TileIndex(1, 1, "1")
//Index = new TileIndex(0, 0, "0")
};
stopwatch.Start();
var bytes = CreateTile(mglStyleFile, tile, 512);
stopwatch.Stop();
stopwatchResults.Add($"Elapsed time for creating tile: {stopwatch.ElapsedMilliseconds} ms");
stopwatch.Reset();
stopwatch.Start();
// Now save picture
using (var stream = File.OpenWrite("image.png"))
{
stream.Write(bytes, 0, bytes.Length);
}
stopwatch.Stop();
stopwatchResults.Add($"Elapsed time for writing tile: {stopwatch.ElapsedMilliseconds} ms");
// The code provided will print ‘Hello World’ to the console.
// Press Ctrl+F5 (or go to Debug > Start Without Debugging) to run your app.
Console.WriteLine($"Created tile: ${resourceName}");
foreach (var s in stopwatchResults)
{
Console.WriteLine(s);
}
Console.ReadKey();
}
