/// <summary> /// Processes the input equirectangular dataset. /// </summary> /// <param name="inputFile"> /// Input File path. /// </param> /// <param name="outputDir"> /// Output directory where pyramid is generated. /// </param> /// <param name="colorMapPath"> /// Map of color map file. /// </param> /// <param name="orientation"> /// Orientation of color map file. /// </param> /// <param name="projection"> /// Projection type. /// </param> public static void ProcessEquirectangularGrid(string inputFile, string outputDir, string colorMapPath, ColorMapOrientation orientation, ProjectionTypes projection) { Trace.TraceInformation("{0}: Reading input dataset...", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); // Get grid details from the input file var dataGridDetails = DataGridHelper.LoadFromFile(inputFile); // Populate the data grid using grid details var dataGrid = new DataGrid(dataGridDetails.Data, true); // Build a equirectangular projection grid map using the data grid and boundary details var equirectangularGridMap = new EquirectangularGridMap(dataGrid, dataGridDetails.Boundary); // Build a color map using equirectangular projection grid map var dataColorMap = new DataColorMap(colorMapPath, equirectangularGridMap, orientation, dataGridDetails.MinimumThreshold, dataGridDetails.MaximumThreshold); // Define an instance of ITileCreator to create image tiles. ITileCreator imageTileCreator = TileCreatorFactory.CreateImageTileCreator(dataColorMap, projection, outputDir); Trace.TraceInformation("{0}: Building base and parent levels...", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); TileGenerator tileGenerator = new TileGenerator(imageTileCreator); int zoomLevels = 5; tileGenerator.Generate(zoomLevels); string fileName = Path.GetFileNameWithoutExtension(inputFile); // Generate Thumbnail Images. Trace.TraceInformation("{0}: Building Thumbnail image..", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); ImageTileSerializer tileSerializer = new ImageTileSerializer(TileHelper.GetDefaultImageTilePathTemplate(outputDir), ImageFormat.Png); string thumbnailFile = Path.Combine(outputDir, fileName + ".jpeg"); TileHelper.GenerateThumbnail(tileSerializer.GetFileName(0, 0, 0), 96, 45, thumbnailFile, ImageFormat.Jpeg); // Create and save WTML file. Trace.TraceInformation("{0}: Generating WTML file...", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); string textureTilePath = WtmlCollection.GetWtmlTextureTilePath(TileHelper.GetDefaultImageTilePathTemplate(outputDir), ImageFormat.Png.ToString()); WtmlCollection wtmlCollection = new WtmlCollection(fileName, thumbnailFile, textureTilePath, zoomLevels, projection); wtmlCollection.IsElevationModel = false; string path = Path.Combine(outputDir, fileName + ".wtml"); wtmlCollection.Save(path); Trace.TraceInformation("{0}: Collection successfully generated.", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); }
/// <summary> /// Processes the input equirectangular dataset. /// </summary> /// <param name="inputGrid"> /// Input image path. /// </param> /// <param name="outputDir"> /// Output directory where pyramid is generated. /// </param> /// <param name="projection"> /// Projection type. /// </param> private static void ProcessEquirectangularGrid(string inputGrid, string outputDir, ProjectionTypes projection) { Trace.TraceInformation("{0}: Reading dataset..", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); ImageFormat imageFormat = ImageFormat.Png; // Read and parse glacier bay dataset. // Define a color map with relief shading implemented. var datagridDetails = DataGridHelper.LoadFromFile(inputGrid); // Build a data grid using the input data set var dataGrid = new DataGrid(datagridDetails.Data, false); // Build the grid map for equirectangular projection using the data grid and boundary co-ordinates var equirectangularGridMap = new EquirectangularGridMap(dataGrid, datagridDetails.Boundary); // Build the color map using equirectangular projection grid map var dataColorMap = new ShadedReliefColorMap(equirectangularGridMap); var maximumLevelsOfDetail = 15; // Define an instance of ITileCreator to create image tiles. ITileCreator imageTileCreator = TileCreatorFactory.CreateImageTileCreator(dataColorMap, projection, outputDir); // Define an instance of ITileCreator to create DEM tiles. // Define serialization mechanism for storing and retrieving DEM tiles. ITileCreator demTileCreator = TileCreatorFactory.CreateDemTileCreator(dataColorMap, projection, outputDir); // MultiTile creator encapsulates image and DEM tile creators. var multiTileCreator = new MultiTileCreator(new Collection <ITileCreator>() { imageTileCreator, demTileCreator }, projection); // Define boundary for the region. var boundary = new Boundary(datagridDetails.Boundary.Left, datagridDetails.Boundary.Top, datagridDetails.Boundary.Right, datagridDetails.Boundary.Bottom); if (projection == ProjectionTypes.Toast) { boundary.Left += 180.0; boundary.Right += 180.0; } // Generate base tiles and fill up the pyramid. var tileGenerator = new TileGenerator(multiTileCreator); tileGenerator.Generate(maximumLevelsOfDetail, boundary); // Path of Mercator and Toast DEM tile server. const string MercatorDemTilePath = @"http://(web server address)?Q={0},{1},{2},Mercator,dem2178"; const string ToastDemTilePath = @"http://(web server address)?Q={0},{1},{2},Toast,dem1033"; string fileName = Path.GetFileNameWithoutExtension(inputGrid); // Generate Thumbnail Images. Trace.TraceInformation("{0}: Building Thumbnail image..", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); ImageTileSerializer tileSerializer = new ImageTileSerializer(TileHelper.GetDefaultImageTilePathTemplate(outputDir), ImageFormat.Png); string thumbnailFile = Path.Combine(outputDir, fileName + ".jpeg"); TileHelper.GenerateThumbnail(tileSerializer.GetFileName(0, 0, 0), 96, 45, thumbnailFile, ImageFormat.Jpeg); // Create and save WTML file. string textureTilePath = WtmlCollection.GetWtmlTextureTilePath(TileHelper.GetDefaultImageTilePathTemplate(outputDir), imageFormat.ToString()); var inputBoundary = new Boundary(datagridDetails.Boundary.Left, datagridDetails.Boundary.Top, datagridDetails.Boundary.Right, datagridDetails.Boundary.Bottom); WtmlCollection wtmlCollection = new WtmlCollection(fileName, thumbnailFile, textureTilePath, maximumLevelsOfDetail, projection, inputBoundary); wtmlCollection.ZoomLevel = 0.2; wtmlCollection.IsElevationModel = true; wtmlCollection.DemTilePath = projection == ProjectionTypes.Mercator ? MercatorDemTilePath : ToastDemTilePath; string path = Path.Combine(outputDir, fileName + ".wtml"); wtmlCollection.Save(path); Trace.TraceInformation("{0}: Collection successfully generated.", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); }