/// <summary>
/// Processes the input equirectangular image.
/// </summary>
/// <param name="inputImage">
/// Input image path.
/// </param>
/// <param name="outputDir">
/// Output directory where pyramid is generated.
/// </param>
/// <param name="projection">
/// Projection type.
/// </param>
private static void ProcessEquirectangularImage(string inputImage, string outputDir, ProjectionTypes projection)
{
Trace.TraceInformation("{0}: Reading image..", DateTime.Now.TimeOfDay.ToString(@"hh\:mm\:ss", CultureInfo.InvariantCulture));
ImageFormat imageFormat = ImageFormat.Png;
// Set the grid boundaries
var imageBoundary = new Boundary(-180, -90, 180, 90);
// Build an image grid using the input image
var imageGrid = new ImageGrid(inputImage, 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(inputImage);
// 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(inputImage, 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));
}
public void GetValueTest()
{
IGrid inputGrid = new MockClasses.MockGrid();
Boundary boundary = new Boundary(-180, -90, 180, 90);
EquirectangularGridMap target = new EquirectangularGridMap(inputGrid, boundary);
Assert.AreEqual(1.2777777777777777, target.GetValue(-80, -90));
Assert.AreEqual(0, target.GetXIndex(-80));
Assert.AreEqual(1, target.GetYIndex(-90));
Assert.AreEqual(double.NaN, target.GetValue(-190, -90));
}
public void GetValueTest()
{
IGrid inputGrid = new MockClasses.MockGrid();
Boundary boundary = new Boundary(-180, -90, 180, 90);
EquirectangularGridMap target = new EquirectangularGridMap(inputGrid, boundary);
Assert.AreEqual(1.2777777777777777, target.GetValue(-80, -90));
Assert.AreEqual(0, target.GetXIndex(-80));
Assert.AreEqual(1, target.GetYIndex(-90));
Assert.AreEqual(double.NaN, target.GetValue(-190, -90));
}
/// <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));
}
/// <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));
}