public static void Create(string imageFileName, double pixelSize, string outputDirectory = null)
{
using (var bitmap = new Bitmap(imageFileName))
{
var worldfileName = WorldfileManager.TryGetAssociatedWorldfileName(imageFileName);
if (worldfileName == null)
{
System.Diagnostics.Debug.Print($"Worldfile not found: '{worldfileName}'");
return;
}
var webMercatorBoundingBox = WorldfileManager.ReadImageBoundingBox(worldfileName, bitmap.Width, bitmap.Height);
int zoomLevel = WebMercatorUtility.GetZoomLevel(bitmap.Height * pixelSize / webMercatorBoundingBox.Height);
if (outputDirectory == null)
{
outputDirectory = $"{System.IO.Path.GetDirectoryName(imageFileName)}\\{System.IO.Path.GetFileNameWithoutExtension(imageFileName)}";
}
while (zoomLevel > 0 && zoomLevel < 20)
{
var tiles = WebMercatorUtility.WebMercatorBoundingBoxToGoogleTileRegions(webMercatorBoundingBox, zoomLevel);
if (tiles.Count < 1)
{
break;
}
if (!System.IO.Directory.Exists($"{outputDirectory}\\{zoomLevel}"))
{
System.IO.Directory.CreateDirectory($"{outputDirectory}\\{zoomLevel}");
}
SplitIntoGoogleTiles(bitmap, webMercatorBoundingBox, tiles, $"{outputDirectory}\\{zoomLevel}");
zoomLevel--;
}
var zipFileName = System.IO.Path.ChangeExtension(imageFileName, "pyrmd");
if (System.IO.File.Exists(zipFileName))
{
System.IO.File.Delete(zipFileName);
}
ZipFile.CreateFromDirectory(outputDirectory, System.IO.Path.ChangeExtension(imageFileName, "pyrmd"));
Common.Helpers.DirectoryHelper.DeleteDirectory(outputDirectory);
}
}
private IShapeCollection GetShapes(string fileName)
{
var shapes = IRI.Ket.ShapefileFormat.Shapefile.Read(fileName);
var width = Math.Max(shapes.MainHeader.MinimumBoundingBox.Width, shapes.MainHeader.MinimumBoundingBox.Height);
//this.Presenter.EstimatedScale = WebMercatorUtility.EstimateMapScale(width, 30, 900);
var z1 = WebMercatorUtility.GetZoomLevel(width, 30, 900);
var z2 = WebMercatorUtility.GetZoomLevel(width, 30, 900);
Trace.WriteLine($"Z1: {z1}");
Trace.WriteLine($"Z2: {z2}");
return(shapes);
}
public static void CreateFromWebMercatorWorldfile(string imageFileName, double pixelSize, string outputDirectory = null)
{
var bitmap = new BitmapImage(new Uri(imageFileName));
var worldfileName = WorldfileManager.TryGetAssociatedWorldfileName(imageFileName);
if (worldfileName == null)
{
System.Diagnostics.Debug.Print($"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);
}
public static GoogleScale GetNearestScale(double mapScale, double latitude = 35)
{
var zoomLevel = WebMercatorUtility.GetZoomLevel(mapScale, latitude);
return(Scales.Single(i => i.ZoomLevel == zoomLevel));
}