/// <summary> /// This event is raised when the create pyramid function is called. /// </summary> /// <param name="sender"> /// create ImageWorker. /// </param> /// <param name="e"> /// DoWork EventArgs. /// </param> private void OnCreateImageWorkerDoWork(object sender, DoWorkEventArgs e) { ImagePyramidDetails inputDetails = e.Argument as ImagePyramidDetails; if (inputDetails != null) { this.CheckCancel(e); NotifyMessage(PyramidGenerationSteps.LoadingImage, PyramidGenerationStatus.Started); this.CheckCancel(e); NotifyMessage(PyramidGenerationSteps.PyramidGeneration, PyramidGenerationStatus.Started); // Define ITileCreator instance for creating image tiles. // If the input projection type and output projection type is same then we need to tile the image. Core.ITileCreator tileCreator = null; // Calculates the estimated thumbnail generation time Stopwatch thumbnailGenerationStopwatch = new Stopwatch(); thumbnailGenerationStopwatch.Start(); if (inputDetails.InputProjection == InputProjections.EquiRectangular) { // Read and initialize the image as an IGrid. var imageGrid = new Core.ImageGrid(inputDetails.InputImagePath, true); var equirectangularGridMap = new Core.EquirectangularGridMap(imageGrid, inputDetails.InputBoundary); var imageColorMap = new Core.ImageColorMap(equirectangularGridMap); tileCreator = Core.TileCreatorFactory.CreateImageTileCreator( imageColorMap, inputDetails.OutputProjection, inputDetails.OutputDirectory); } else { Core.IImageTileSerializer serializer = new Core.ImageTileSerializer( Core.TileHelper.GetDefaultImageTilePathTemplate(inputDetails.OutputDirectory), ImageFormat.Png); tileCreator = new Core.TileChopper(inputDetails.InputImagePath, serializer, inputDetails.OutputProjection, inputDetails.InputBoundary); } thumbnailGenerationStopwatch.Stop(); // Thumbnail estimated time is time required to load the image and then create the thumbnail with graphics this.ThumbnailEstimatedTime = thumbnailGenerationStopwatch.ElapsedMilliseconds * Constants.ThumbnailMultiplier; // Define plumbing for looping through all the tiles to be created for base image and pyramid. tileGenerator = new Core.TileGenerator(tileCreator); this.cancellationToken = new CancellationTokenSource(); tileGenerator.ParallelOptions.CancellationToken = this.cancellationToken.Token; this.CheckCancel(e); // Define bounds of the image. Image is assumed to cover the entire world. // If not, change the coordinates accordingly. // For Mercator projection, longitude spans from -180 to +180 and latitude from 90 to -90. Core.Boundary gridBoundary = new Core.Boundary( inputDetails.InputBoundary.Left, inputDetails.InputBoundary.Top, inputDetails.InputBoundary.Right, inputDetails.InputBoundary.Bottom); if (inputDetails.OutputProjection == ProjectionTypes.Toast) { // For Toast projection, longitude spans from 0 to +360 and latitude from 90 to -90. gridBoundary.Left += 180; gridBoundary.Right += 180; } // Start building base image and the pyramid. tileGenerator.Generate(inputDetails.Level, gridBoundary); if (inputDetails.IsGeneratePlate) { NotifyMessage(PyramidGenerationSteps.PlateFileGeneration, PyramidGenerationStatus.Started); this.CheckCancel(e); // Generate Plate file. Core.ImageTileSerializer pyramid = new Core.ImageTileSerializer( Core.TileHelper.GetDefaultImageTilePathTemplate(inputDetails.OutputDirectory), ImageFormat.Png); plateGenerator = new Core.PlateFileGenerator( System.IO.Path.Combine(inputDetails.OutputDirectory, inputDetails.OutputFilename + ".plate"), inputDetails.Level, ImageFormat.Png); plateGenerator.CreateFromImageTile(pyramid); } this.CheckCancel(e); NotifyMessage(PyramidGenerationSteps.ThumbnailGeneration, PyramidGenerationStatus.Started); // Generate Thumbnail Images. string thumbnailFile = System.IO.Path.Combine(inputDetails.OutputDirectory, inputDetails.OutputFilename + ".jpeg"); Core.TileHelper.GenerateThumbnail(inputDetails.InputImagePath, 96, 45, thumbnailFile, ImageFormat.Jpeg); this.CheckCancel(e); NotifyMessage(PyramidGenerationSteps.WTMLGeneration, PyramidGenerationStatus.Started); // Get the path of image tiles created and save it in WTML file. string pyramidPath = Core.WtmlCollection.GetWtmlTextureTilePath(Core.TileHelper.GetDefaultImageTilePathTemplate(inputDetails.OutputDirectory), ImageFormat.Png.ToString()); Core.Boundary inputBoundary = new Core.Boundary( inputDetails.InputBoundary.Left, inputDetails.InputBoundary.Top, inputDetails.InputBoundary.Right, inputDetails.InputBoundary.Bottom); // Create and save WTML collection file. Core.WtmlCollection wtmlCollection = new Core.WtmlCollection(inputDetails.OutputFilename, thumbnailFile, pyramidPath, inputDetails.Level, inputDetails.OutputProjection, inputBoundary); wtmlCollection.Credit = inputDetails.Credits; wtmlCollection.CreditUrl = inputDetails.CreditsURL; string path = System.IO.Path.Combine(inputDetails.OutputDirectory, inputDetails.OutputFilename + ".wtml"); wtmlCollection.Save(path); } }
/// <summary> /// Processes a list of input image tiles and generates pyramid for level N. /// </summary> /// <param name="inputFilePath">Xml file with list of image tile information.</param> /// <param name="outputDir">Output directory where the image tiles of pyramid has to be stored.</param> /// <param name="projection">Projection to be used.</param> private static void ProcessMultipartEquirectangularImage(string inputFilePath, string outputDir, ProjectionTypes projection) { ImageFormat imageFormat = ImageFormat.Png; Trace.TraceInformation("{0}: Reading image..", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); // Get the list of equirectangular images input. string[,] imageTiles = Program.GetInputImageList(inputFilePath); // Set the grid boundaries var imageBoundary = new Boundary(-180, -90, 180, 90); // Build an image grid using the input images var imageGrid = new ImageGrid(imageTiles, true); // Build the grid map for equirectangular projection using the image grid and boundary co-ordinates var equirectangularGridMap = new EquirectangularGridMap(imageGrid, imageBoundary); // Build the color map using equirectangular projection grid map var imageColorMap = new ImageColorMap(equirectangularGridMap); var maximumLevelsOfDetail = TileHelper.CalculateMaximumLevel(imageGrid.Height, imageGrid.Width, imageBoundary); // Define ITileCreator instance for creating image tiles. ITileCreator tileCreator = TileCreatorFactory.CreateImageTileCreator(imageColorMap, projection, outputDir); // Define plumbing for looping through all the tiles to be created for base image and pyramid. var tileGenerator = new TileGenerator(tileCreator); // Start building base image and the pyramid. Trace.TraceInformation("{0}: Building base and parent levels...", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); tileGenerator.Generate(maximumLevelsOfDetail); string fileName = Path.GetFileNameWithoutExtension(inputFilePath); // Generate Plate file. Trace.TraceInformation("{0}: Building Plate file...", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); ImageTileSerializer pyramid = new ImageTileSerializer(TileHelper.GetDefaultImageTilePathTemplate(outputDir), ImageFormat.Png); PlateFileGenerator plateGenerator = new PlateFileGenerator( Path.Combine(outputDir, fileName + ".plate"), maximumLevelsOfDetail, ImageFormat.Png); plateGenerator.CreateFromImageTile(pyramid); // Generate Thumbnail Images. Trace.TraceInformation("{0}: Building Thumbnail image..", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); string thumbnailFile = Path.Combine(outputDir, fileName + ".jpeg"); TileHelper.GenerateThumbnail(pyramid.GetFileName(0, 0, 0), 96, 45, thumbnailFile, ImageFormat.Jpeg); // Get the path of image tiles created and save it in WTML file. Trace.TraceInformation("{0}: Building WTML file..", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); string pyramidPath = WtmlCollection.GetWtmlTextureTilePath(TileHelper.GetDefaultImageTilePathTemplate(outputDir), imageFormat.ToString()); // Create and save WTML collection file. WtmlCollection wtmlCollection = new WtmlCollection(fileName, thumbnailFile, pyramidPath, maximumLevelsOfDetail, projection); 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 a list of input image tiles and generates pyramid for level N. /// </summary> /// <param name="inputFilePath">Xml file with list of image tile information.</param> /// <param name="outputDir">Output directory where the image tiles of pyramid has to be stored.</param> /// <param name="projection">Projection to be used.</param> /// <param name="inputBoundary">Input image boundary.</param> private static void ProcessMultipartEquirectangularImage(string inputFilePath, string outputDir, ProjectionTypes projection, Boundary inputBoundary) { ImageFormat imageFormat = ImageFormat.Png; Trace.TraceInformation("{0}: Reading image..", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); // Get the list of equirectangular images input. string[,] imageTiles = Program.GetInputImageList(inputFilePath); // Check if the image is circular. double longitudeDelta = inputBoundary.Right - inputBoundary.Left; bool circular = (360.0 - longitudeDelta) < 0.000001; // Build an image grid using the input images var imageGrid = new ImageGrid(imageTiles, circular); // Build the grid map for equirectangular projection using the image grid and boundary co-ordinates var equirectangularGridMap = new EquirectangularGridMap(imageGrid, inputBoundary); // Build the color map using equirectangular projection grid map var imageColorMap = new ImageColorMap(equirectangularGridMap); var maximumLevelsOfDetail = TileHelper.CalculateMaximumLevel(imageGrid.Height, imageGrid.Width, inputBoundary); // Define ITileCreator instance for creating image tiles. ITileCreator tileCreator = TileCreatorFactory.CreateImageTileCreator(imageColorMap, projection, outputDir); // Define bounds of the image. Image is assumed to cover the entire world. // If not, change the coordinates accordingly. // For Mercator projection, longitude spans from -180 to +180 and latitude from 90 to -90. Boundary gridBoundary = new Boundary(inputBoundary.Left, inputBoundary.Top, inputBoundary.Right, inputBoundary.Bottom); if (projection == ProjectionTypes.Toast) { // For Toast projection, longitude spans from 0 to +360 and latitude from 90 to -90. gridBoundary.Left += 180; gridBoundary.Right += 180; } // Define plumbing for looping through all the tiles to be created for base image and pyramid. var tileGenerator = new TileGenerator(tileCreator); // Start building base image and the pyramid. Trace.TraceInformation("{0}: Building base and parent levels...", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); tileGenerator.Generate(maximumLevelsOfDetail, gridBoundary); string fileName = Path.GetFileNameWithoutExtension(inputFilePath); // Generate Plate file. Trace.TraceInformation("{0}: Building Plate file...", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); ImageTileSerializer pyramid = new ImageTileSerializer(TileHelper.GetDefaultImageTilePathTemplate(outputDir), ImageFormat.Png); PlateFileGenerator plateGenerator = new PlateFileGenerator( Path.Combine(outputDir, fileName + ".plate"), maximumLevelsOfDetail, ImageFormat.Png); plateGenerator.CreateFromImageTile(pyramid); // Generate Thumbnail Images. Trace.TraceInformation("{0}: Building Thumbnail image..", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); string thumbnailFile = Path.Combine(outputDir, fileName + ".jpeg"); TileHelper.GenerateThumbnail(pyramid.GetFileName(0, 0, 0), 96, 45, thumbnailFile, ImageFormat.Jpeg); // Get the path of image tiles created and save it in WTML file. Trace.TraceInformation("{0}: Building WTML file..", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture)); string pyramidPath = WtmlCollection.GetWtmlTextureTilePath(TileHelper.GetDefaultImageTilePathTemplate(outputDir), imageFormat.ToString()); // Create and save WTML collection file. WtmlCollection wtmlCollection = new WtmlCollection(fileName, thumbnailFile, pyramidPath, maximumLevelsOfDetail, projection, inputBoundary); 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)); }