public static List <double[]> ReadFrameData(DirectoryInfo dataDir, string fileStem, TimeSpan startTime, TimeSpan maxDuration, SpectrogramZoomingConfig zoomingConfig, TimeSpan indexGenerationSegmentDuration) { TimeSpan endTime = startTime + maxDuration; int startMinute = (int)Math.Floor(startTime.TotalMinutes); int endMinute = (int)Math.Ceiling(endTime.TotalMinutes); int expectedDataDurationInSeconds = (int)indexGenerationSegmentDuration.TotalSeconds; int expectedFrameCount = (int)Math.Round(expectedDataDurationInSeconds / zoomingConfig.SpectralFrameDuration); string name = fileStem + "_" + startMinute + "min.csv"; string csvPath = Path.Combine(dataDir.FullName, name); bool skipHeader = true; bool skipFirstColumn = true; List <double[]> frameData = CsvTools.ReadCSVFileOfDoubles(csvPath, skipHeader, skipFirstColumn); ZoomTiledSpectrograms.PadEndOfListOfFrames(frameData, expectedFrameCount); for (int i = startMinute + 1; i < endMinute; i++) { name = fileStem + "_" + i + "min.csv"; csvPath = Path.Combine(dataDir.FullName, name); List <double[]> data = CsvTools.ReadCSVFileOfDoubles(csvPath, skipHeader, skipFirstColumn); ZoomTiledSpectrograms.PadEndOfListOfFrames(data, expectedFrameCount); frameData.AddRange(data); } return(frameData); }
public void TestGetPreviousTileBoundary(string startDate, int tileWidth, double scale, string expectedDate) { var start = DateTimeOffset.Parse(startDate); var actual = ZoomTiledSpectrograms.GetPreviousTileBoundary(tileWidth, scale, start); var expected = DateTimeOffset.Parse(expectedDate); Assert.AreEqual(expected, actual); }
private static void TileOutput(DirectoryInfo outputDirectory, string fileStem, string analysisTag, FileSegment fileSegment, Image <Rgb24> image) { const int TileHeight = 256; const int TileWidth = 60; // seconds per pixel const double Scale = 60.0; TimeSpan scale = Scale.Seconds(); if (image.Height != TileHeight) { throw new InvalidOperationException("Expecting images exactly the same height as the defined tile height"); } // if recording does not start on an absolutely aligned hour of the day // align it, then adjust where the tiling starts from, and calculate the offset for the super tile (the gap) var recordingStartDate = fileSegment.TargetFileStartDate.Value; // TODO: begin remove duplicate code var timeOfDay = recordingStartDate.TimeOfDay; var previousAbsoluteHour = TimeSpan.FromSeconds(Math.Floor(timeOfDay.TotalSeconds / (Scale * TileWidth)) * (Scale * TileWidth)); var gap = timeOfDay - previousAbsoluteHour; var tilingStartDate = recordingStartDate - gap; var tilingStartDate2 = ZoomTiledSpectrograms.GetPreviousTileBoundary(TileWidth, Scale, recordingStartDate); var padding = recordingStartDate - tilingStartDate2; Debug.Assert(tilingStartDate == tilingStartDate2, "tilingStartDate != tilingStartDate2: these methods should be equivalent"); // TODO: end remove duplicate code var tilingProfile = new AbsoluteDateTilingProfile(fileStem, analysisTag, tilingStartDate, TileHeight, TileWidth); // pad out image so it produces a whole number of tiles // this solves the asymmetric right padding of short audio files var width = (int)(Math.Ceiling(image.Width / Scale) * Scale); var tiler = new Tiler(outputDirectory, tilingProfile, Scale, width, 1.0, image.Height); // prepare super tile var tile = new TimeOffsetSingleLayerSuperTile( padding, SpectrogramType.Index, scale, image.CloneAs <Rgba32>(), fileSegment.SegmentStartOffset ?? TimeSpan.Zero); tiler.Tile(tile); }
public void TestLeftPaddingInLowerLayers() { const int TileWidth = 180; var startDate = new DateTimeOffset(2014, 05, 29, 08, 13, 58, TimeSpan.FromHours(10)); var boundary = ZoomTiledSpectrograms.GetPreviousTileBoundary(TileWidth, 0.1, startDate); var padding = startDate - boundary; var profile = new AbsoluteDateTilingProfile( "Filename", "Tile", boundary, 256, TileWidth); var tiler = new Tiler( this.outputDirectory.ToDirectoryEntry(), profile, new SortedSet <double>() { 60.0, 0.1 }, 60.0, 1440, new SortedSet <double>() { 1, 1 }, 1.0, 256); var testBitmap = new Bitmap(1200, 256); using (var graphics = Graphics.FromImage(testBitmap)) { var points = new[] { new Point(0, 0), new Point(180, 256), new Point(360, 0), new Point(540, 256), new Point(720, 0), new Point(900, 256), new Point(1080, 0), new Point(1260, 256), }; graphics.DrawLines( Pens.Red, points); } var superTile = new TimeOffsetSingleLayerSuperTile( padding, SpectrogramType.Index, 0.1.Seconds(), testBitmap, 0.Seconds()); tiler.Tile(superTile); ////Debug.WriteLine(this.outputDirectory.FullName); ////Debug.WriteLine(this.outputDirectory.GetFiles().Length); var actualFiles = this.outputDirectory.GetFiles().OrderBy(x => x.Name).ToArray(); Assert.AreEqual(8, actualFiles.Length); var expectedFiles = new[] { "Filename__Tile_20140528T221348Z_0.1.png", "Filename__Tile_20140528T221406Z_0.1.png", "Filename__Tile_20140528T221424Z_0.1.png", "Filename__Tile_20140528T221442Z_0.1.png", "Filename__Tile_20140528T221500Z_0.1.png", "Filename__Tile_20140528T221518Z_0.1.png", "Filename__Tile_20140528T221536Z_0.1.png", "Filename__Tile_20140528T221554Z_0.1.png", }; var expectedImages = expectedFiles .OrderBy(x => x) .Select((x, i) => testBitmap.Crop(new Rectangle((i * TileWidth) - 100, 0, TileWidth, 256))) .ToArray(); for (var i = 0; i < expectedImages.Length; i++) { Assert.AreEqual(expectedFiles[i], actualFiles[i].Name); var expectedImage = expectedImages[i]; var actualImage = Image.FromFile(actualFiles[i].FullName); var areEqual = TilerTests.BitmapEquals(expectedImage, (Bitmap)actualImage); Assert.IsTrue(areEqual, "Bitmaps were not equal {0}, {1}", expectedFiles[i], actualFiles[i]); } }
public static void Execute(Arguments arguments) { if (arguments == null) { throw new NoDeveloperMethodException(); } string description; switch (arguments.ZoomAction) { case Arguments.ZoomActionType.Focused: description = "# DRAW STACK OF FOCUSED MULTI-SCALE LONG DURATION SPECTROGRAMS DERIVED FROM SPECTRAL INDICES."; break; case Arguments.ZoomActionType.Tile: description = "# DRAW ZOOMING SPECTROGRAMS DERIVED FROM SPECTRAL INDICES OBTAINED FROM AN AUDIO RECORDING"; break; default: throw new ArgumentOutOfRangeException(); } LoggedConsole.WriteLine(description); LoggedConsole.WriteLine("# Spectrogram Zooming config : " + arguments.SpectrogramZoomingConfig); LoggedConsole.WriteLine("# Input Directory : " + arguments.SourceDirectory); LoggedConsole.WriteLine("# Output Directory : " + arguments.Output); var common = new ZoomParameters( arguments.SourceDirectory.ToDirectoryEntry(), arguments.SpectrogramZoomingConfig.ToFileEntry(), !string.IsNullOrEmpty(arguments.OutputFormat)); LoggedConsole.WriteLine("# File name of recording : " + common.OriginalBasename); // create file systems for reading input and writing output var io = FileSystemProvider.GetInputOutputFileSystems( arguments.SourceDirectory, FileSystemProvider.MakePath(arguments.Output, common.OriginalBasename, arguments.OutputFormat, "Tiles")) .EnsureInputIsDirectory(); switch (arguments.ZoomAction) { case Arguments.ZoomActionType.Focused: // draw a focused multi-resolution pyramid of images TimeSpan focalTime; if (arguments.FocusMinute.HasValue) { focalTime = TimeSpan.FromMinutes(arguments.FocusMinute.Value); } else { throw new ArgumentException("FocusMinute is null, cannot proceed"); } const int ImageWidth = 1500; ZoomFocusedSpectrograms.DrawStackOfZoomedSpectrograms( arguments.SourceDirectory.ToDirectoryInfo(), arguments.Output.ToDirectoryInfo(), common, focalTime, ImageWidth, AcousticIndices.TowseyAcoustic); break; case Arguments.ZoomActionType.Tile: // Create the super tiles for a full set of recordings ZoomTiledSpectrograms.DrawTiles( io, common, AcousticIndices.TowseyAcoustic); break; default: Log.Warn("Other ZoomAction results in standard LD Spectrogram to be drawn"); // draw standard false color spectrograms - useful to check what spectrograms of the individual // indices are like. throw new NotImplementedException(); /*LDSpectrogramRGB.DrawSpectrogramsFromSpectralIndices( * arguments.SourceDirectory, * arguments.Output, * arguments.SpectrogramConfigPath, * arguments.IndexPropertiesConfig);*/ break; } }
public void TestLeftPaddingInLowerLayers() { const int TileWidth = 180; var startDate = new DateTimeOffset(2014, 05, 29, 08, 13, 58, TimeSpan.FromHours(10)); var boundary = ZoomTiledSpectrograms.GetPreviousTileBoundary(TileWidth, 0.1, startDate); var padding = startDate - boundary; var profile = new AbsoluteDateTilingProfile( "Filename", "Tile", boundary, 256, TileWidth); var tiler = new Tiler( this.outputDirectory, profile, new SortedSet <double>() { 60.0, 0.1 }, 60.0, 1440, new SortedSet <double>() { 1, 1 }, 1.0, 256); var testBitmap = new Image <Rgba32>(1200, 256); testBitmap.Mutate(graphics => { var points = new[] { new PointF(0, 0), new Point(180, 256), new Point(360, 0), new Point(540, 256), new Point(720, 0), new PointF(900, 256), new Point(1080, 0), new Point(1260, 256), }; graphics.DrawLines( new GraphicsOptions(), Brushes.Solid(Color.Red), 1, points); }); var superTile = new TimeOffsetSingleLayerSuperTile( padding, SpectrogramType.Index, 0.1.Seconds(), testBitmap, 0.Seconds()); tiler.Tile(superTile); ////Trace.WriteLine(this.outputDirectory.FullName); ////Trace.WriteLine(this.outputDirectory.GetFiles().Length); var actualFiles = this.outputDirectory.GetFiles().OrderBy(x => x.Name).ToArray(); Assert.AreEqual(8, actualFiles.Length); var expectedFiles = new[] { "Filename__Tile_20140528T221348Z_0.1.png", "Filename__Tile_20140528T221406Z_0.1.png", "Filename__Tile_20140528T221424Z_0.1.png", "Filename__Tile_20140528T221442Z_0.1.png", "Filename__Tile_20140528T221500Z_0.1.png", "Filename__Tile_20140528T221518Z_0.1.png", "Filename__Tile_20140528T221536Z_0.1.png", "Filename__Tile_20140528T221554Z_0.1.png", }; var expectedImages = expectedFiles .OrderBy(x => x) .Select((x, i) => testBitmap.CropInverse(new Rectangle((i * TileWidth) - 100, 0, TileWidth, 256))) .ToArray(); for (var i = 0; i < expectedImages.Length; i++) { Assert.AreEqual(expectedFiles[i], actualFiles[i].Name); var expectedImage = expectedImages[i]; var actualImage = Image.Load <Rgba32>(actualFiles[i].FullName); Assert.That.ImageMatches(expectedImages[i], actualImage, message: $"Bitmaps were not equal {expectedImages[i]}, {actualFiles[i]}"); } }