public void Test(string fileName, int width, int height)
{
var vanakBbx1 = WorldfileManager.ReadImageBoundingBox(fileName, width, height);
var vanakWorldfile = Worldfile.Read(fileName);
var vanakBbx2 = vanakWorldfile.GetBoundingBox(width, height);
Assert.AreEqual(vanakBbx1, vanakBbx2);
var calculatedVanakWorldfile = WorldfileManager.Create(vanakBbx2, width, height);
var delta = 1E-7;
Assert.AreEqual(vanakWorldfile.XPixelSize, calculatedVanakWorldfile.XPixelSize, delta);
Assert.AreEqual(vanakWorldfile.YPixelSize, calculatedVanakWorldfile.YPixelSize, delta);
Assert.AreEqual(vanakWorldfile.CenterOfUpperLeftPixel.X, calculatedVanakWorldfile.CenterOfUpperLeftPixel.X, delta);
Assert.AreEqual(vanakWorldfile.CenterOfUpperLeftPixel.Y, calculatedVanakWorldfile.CenterOfUpperLeftPixel.Y, delta);
}
public static void CreateFromWebMercatorWorldfile(string imageFileName, double pixelSize, string outputDirectory = null)
{
var bitmap = new BitmapImage(new Uri(imageFileName));
var worldfileName = WorldfileManager.TryGetAssociatedWorldfileName(imageFileName);
if (worldfileName == null)
{
System.Diagnostics.Debug.Print($"Worldfile not found: '{worldfileName}'");
return;
}
var webMercatorBoundingBox = WorldfileManager.ReadImageBoundingBox(worldfileName, (int)bitmap.Width, (int)bitmap.Height);
int zoomLevel = WebMercatorUtility.GetZoomLevel(bitmap.Height * pixelSize / webMercatorBoundingBox.Height);
if (zoomLevel >= 20)
{
zoomLevel = 19;
}
if (outputDirectory == null)
{
//outputDirectory = $"{System.IO.Path.GetDirectoryName(imageFileName)}\\{System.IO.Path.GetFileNameWithoutExtension(imageFileName)}";
outputDirectory = Path.Combine(Path.GetDirectoryName(imageFileName), Path.GetFileNameWithoutExtension(imageFileName));
}
if (!Directory.Exists($"{outputDirectory}"))
{
Directory.CreateDirectory($"{outputDirectory}");
}
WriteBoundingBox(webMercatorBoundingBox, outputDirectory);
while (zoomLevel > 0 && zoomLevel < 20)
{
var tiles = WebMercatorUtility.WebMercatorBoundingBoxToGoogleTileRegions(webMercatorBoundingBox, zoomLevel);
if (tiles.Count < 1)
{
break;
}
var subDirectory = Path.Combine(outputDirectory, zoomLevel.ToString());
if (!Directory.Exists(subDirectory))
{
Directory.CreateDirectory(subDirectory);
}
SplitIntoGoogleTiles(bitmap, webMercatorBoundingBox, tiles, subDirectory);
zoomLevel--;
}
var zipFileName = Path.ChangeExtension(imageFileName, "pyrmd");
if (File.Exists(zipFileName))
{
File.Delete(zipFileName);
}
ZipFile.CreateFromDirectory(outputDirectory, Path.ChangeExtension(imageFileName, "pyrmd"));
Sta.Common.Helpers.IOHelper.DeleteDirectory(outputDirectory);
}