Example #1
0
        public static Image FrameSliceOf3DSpectrogram_ConstantFreq(Image bmp1, Image titleBar, TimeSpan xInterval, int herzValue, FileInfo sunriseSetData, int nyquistFreq)
        {
            SunAndMoon.AddSunRiseSetLinesToImage((Bitmap)bmp1, sunriseSetData, 0, 365, 1); // assume full year and 1px/day

            var g          = Graphics.FromImage(bmp1);
            var pen        = new Pen(Color.White);
            var stringFont = new Font("Arial", 12);
            var str        = $"Freq = {herzValue} Hz";

            g.DrawString(str, stringFont, Brushes.Wheat, new PointF(10, 7));

            var    xAxisPixelDuration = TimeSpan.FromSeconds(60);
            var    startOffset        = TimeSpan.Zero;
            double secondsDuration    = xAxisPixelDuration.TotalSeconds * bmp1.Width;
            var    fullDuration       = TimeSpan.FromSeconds(secondsDuration);

            // init frequency scale
            int herzInterval = 1000;
            int frameSize    = bmp1.Height;
            var freqScale    = new DSP.FrequencyScale(nyquistFreq, frameSize, herzInterval);

            SpectrogramTools.DrawGridLinesOnImage((Bitmap)bmp1, startOffset, fullDuration, xInterval, freqScale);

            int trackHeight      = 20;
            var xAxisTicInterval = TimeSpan.FromMinutes(60); // assume 60 pixels per hour
            var timeScale24Hour  = ImageTrack.DrawTimeTrack(fullDuration, startOffset, xAxisTicInterval, bmp1.Width, trackHeight, "hours");

            var imageList = new List <Image> {
                titleBar, timeScale24Hour, bmp1, timeScale24Hour
            };
            var compositeBmp = ImageTools.CombineImagesVertically(imageList.ToArray());

            if (compositeBmp == null)
            {
                throw new ArgumentNullException(nameof(compositeBmp));
            }

            trackHeight = compositeBmp.Height;
            Bitmap timeScale12Months = ImageTrack.DrawYearScaleVertical(40, trackHeight);
            Bitmap freqScaleImage    = DrawFreqScale_vertical(40, trackHeight, herzValue, nyquistFreq);

            imageList = new List <Image> {
                timeScale12Months, compositeBmp, freqScaleImage
            };
            compositeBmp = ImageTools.CombineImagesInLine(imageList.ToArray());

            return(compositeBmp);
        }
Example #2
0
        public static void Execute(Arguments arguments)
        {
            var inputDirs = arguments.InputDataDirectories.Select(FileInfoExtensions.ToDirectoryInfo);
            var output    = arguments.OutputDirectory.ToDirectoryInfo();

            string date = "# DATE AND TIME: " + DateTime.Now;

            LoggedConsole.WriteLine("\n# DRAW an EASY IMAGE from consecutive days of SUMMARY INDICES in CSV files.");
            LoggedConsole.WriteLine("#    IT IS ASSUMED THAT THE CSV files are already concatenated into 24 hour files.");
            LoggedConsole.WriteLine(date);
            LoggedConsole.WriteLine("# Summary Index.csv files are in directories:");
            foreach (DirectoryInfo dir in inputDirs)
            {
                LoggedConsole.WriteLine("    {0}", dir.FullName);
            }

            LoggedConsole.WriteLine("# Output directory: " + output);
            if (arguments.StartDate == null)
            {
                LoggedConsole.WriteLine("# Start date = NULL (No argument provided). Will revise start date ....");
            }
            else
            {
                LoggedConsole.WriteLine("# Start date = " + arguments.StartDate.ToString());
            }

            if (arguments.EndDate == null)
            {
                LoggedConsole.WriteLine("# End   date = NULL (No argument provided). Will revise end date ....");
            }
            else
            {
                LoggedConsole.WriteLine("# End   date = " + arguments.EndDate.ToString());
            }

            LoggedConsole.WriteLine("# FILE FILTER = " + arguments.FileFilter);
            LoggedConsole.WriteLine();

            // PATTERN SEARCH FOR SUMMARY INDEX FILES.
            //string pattern = "*__Towsey.Acoustic.Indices.csv";
            FileInfo[] csvFiles = IndexMatrices.GetFilesInDirectories(inputDirs.ToArray(), arguments.FileFilter);

            //LoggedConsole.WriteLine("# Subdirectories Count = " + subDirectories.Length);
            LoggedConsole.WriteLine("# SummaryIndexFiles.csv Count = " + csvFiles.Length);

            if (csvFiles.Length == 0)
            {
                LoggedConsole.WriteErrorLine("\n\nWARNING from method DrawEasyImage.Execute():");
                LoggedConsole.WriteErrorLine("        No SUMMARY index files were found.");
                LoggedConsole.WriteErrorLine("        RETURNING EMPTY HANDED!");
                return;
            }

            // Sort the files by date and return as a dictionary: sortedDictionaryOfDatesAndFiles<DateTimeOffset, FileInfo>
            //var sortedDictionaryOfDatesAndFiles = LDSpectrogramStitching.FilterFilesForDates(csvFiles, arguments.TimeSpanOffsetHint);

            // calculate new start date if passed value = null.
            DateTimeOffset?startDate = arguments.StartDate;
            DateTimeOffset?endDate   = arguments.EndDate;

            TimeSpan totalTimespan = (DateTimeOffset)endDate - (DateTimeOffset)startDate;
            int      dayCount      = totalTimespan.Days + 1; // assume last day has full 24 hours of recording available.

            LoggedConsole.WriteLine("\n# Start date = " + startDate.ToString());
            LoggedConsole.WriteLine("# End   date = " + endDate.ToString());
            LoggedConsole.WriteLine(string.Format("# Elapsed time = {0:f1} hours", dayCount * 24));
            LoggedConsole.WriteLine("# Day  count = " + dayCount + " (inclusive of start and end days)");
            LoggedConsole.WriteLine("# Time Zone  = " + arguments.TimeSpanOffsetHint.ToString());

            // create top level output directory if it does not exist.
            DirectoryInfo opDir = output;

            if (!opDir.Exists)
            {
                opDir.Create();
            }

            // SET UP DEFAULT SITE LOCATION INFO    --  DISCUSS IWTH ANTHONY
            // The following location data is used only to draw the sunrise/sunset tracks on images.
            double?latitude        = null;
            double?longitude       = null;
            var    siteDescription = new SiteDescription();

            siteDescription.SiteName  = arguments.FileStemName;
            siteDescription.Latitude  = latitude;
            siteDescription.Longitude = longitude;

            // the following required if drawing the index images
            FileInfo indexPropertiesConfig = null;

            // require IndexGenerationData and indexPropertiesConfig for drawing
            //indexGenerationData = IndexGenerationData.GetIndexGenerationData(csvFiles[0].Directory);
            indexPropertiesConfig = arguments.IndexPropertiesConfig.ToFileInfo();
            Dictionary <string, IndexProperties>    listOfIndexProperties = IndexProperties.GetIndexProperties(indexPropertiesConfig);
            Tuple <List <string>, List <double[]> > tuple = CsvTools.ReadCSVFile(csvFiles[0].FullName);
            var names = tuple.Item1;

            // default EASY indices
            int    redID = 3; // backgroundNoise
            int    grnID = 5; // avSNROfActiveframes
            int    bluID = 7; // events per second
            string rep   = @"bgn-avsnr-evn";

            // ACI Ht Hpeaks EASY indices
            if (false)
            {
                redID = 11;  // ACI
                grnID = 12;  // Ht

                //bluID = 13;  // HavgSp
                //bluID = 14;  // Hvariance
                //bluID = 15;  // Hpeaks
                bluID = 16;  // Hcov

                //bluID = 7;  // SPT
                rep = @"aci-ht-hcov";

                //rep = @"aci-ht-spt";
            }

            // LF, MF, HF
            if (true)
            {
                redID = 10;  // LF
                grnID = 9;   // MF
                bluID = 8;   // HF
                rep   = @"lf-mf-hf";
            }

            IndexProperties redIndexProps = listOfIndexProperties[names[redID]];
            IndexProperties grnIndexProps = listOfIndexProperties[names[grnID]];
            IndexProperties bluIndexProps = listOfIndexProperties[names[bluID]];

            int dayPixelHeight = 4;
            int rowCount       = (dayPixelHeight * dayCount) + 35; // +30 for grid lines
            int colCount       = 1440;
            var bitmap         = new Image <Rgb24>(colCount, rowCount);
            var colour         = Color.Yellow;
            int currentRow     = 0;
            var oneDay         = TimeSpan.FromHours(24);
            int graphWidth     = colCount;
            int trackHeight    = 20;
            var stringFont     = Drawing.Arial8;

            string[] monthNames = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };

            // for drawing the y-axis scale
            int scaleWidth = trackHeight + 7;
            var yAxisScale = new Image <Rgb24>(scaleWidth, rowCount + (2 * trackHeight));

            yAxisScale.Mutate(g =>
            {
                g.Clear(Color.Black);

                // loop over days
                for (int d = 0; d < dayCount; d++)
                {
                    var thisday = ((DateTimeOffset)startDate).AddDays(d);

                    if (thisday.Day == 1)
                    {
                        int nextRow = currentRow + 1;
                        for (int c = 0; c < colCount; c++)
                        {
                            bitmap[c, currentRow] = Color.Gray;
                            bitmap[c, nextRow]    = Color.Gray;
                        }

                        for (int c = 0; c < scaleWidth; c++)
                        {
                            yAxisScale[c, currentRow + trackHeight] = Color.Gray;
                            yAxisScale[c, nextRow + trackHeight]    = Color.Gray;
                        }

                        string month = monthNames[thisday.Month - 1];
                        if (thisday.Month == 1) // January
                        {
                            g.DrawText(thisday.Year.ToString(), stringFont, Color.White,
                                       new PointF(0, nextRow + trackHeight + 1));  //draw time
                            g.DrawText(month, stringFont, Color.White,
                                       new PointF(1, nextRow + trackHeight + 11)); //draw time
                        }
                        else
                        {
                            g.DrawText(month, stringFont, Color.White,
                                       new PointF(1, nextRow + trackHeight + 1)); //draw time
                        }

                        currentRow += 2;
                    }

                    // get the exact date and time
                    LoggedConsole.WriteLine($"READING DAY {d + 1} of {dayCount}:   {thisday.ToString()}");

                    // CREATE DAY LEVEL OUTPUT DIRECTORY for this day
                    string dateString = $"{thisday.Year}{thisday.Month:D2}{thisday.Day:D2}";

                    tuple      = CsvTools.ReadCSVFile(csvFiles[d].FullName);
                    var arrays = tuple.Item2;

                    var redArray = arrays[redID];
                    var grnArray = arrays[grnID];
                    var bluArray = arrays[bluID];

                    // NormaliseMatrixValues the indices
                    redArray = DataTools.NormaliseInZeroOne(redArray, redIndexProps.NormMin, redIndexProps.NormMax);
                    grnArray = DataTools.NormaliseInZeroOne(grnArray, grnIndexProps.NormMin, grnIndexProps.NormMax);
                    bluArray = DataTools.NormaliseInZeroOne(bluArray, bluIndexProps.NormMin, bluIndexProps.NormMax);

                    for (int c = 0; c < colCount; c++)
                    {
                        for (int r = 0; r < dayPixelHeight; r++)
                        {
                            //transformedValue = Math.Sqrt(redArray[c]);
                            var transformedValue = redArray[c] * redArray[c];
                            int redVal           = (int)Math.Round(transformedValue * 255);
                            if (redVal < 0)
                            {
                                redVal = 0;
                            }
                            else if (redVal > 255)
                            {
                                redVal = 255;
                            }

                            //transformedValue = Math.Sqrt(grnArray[c]);
                            transformedValue = grnArray[c] * grnArray[c]; // square the value
                            int grnVal       = (int)Math.Round(transformedValue * 255);
                            if (grnVal < 0)
                            {
                                grnVal = 0;
                            }
                            else if (grnVal > 255)
                            {
                                grnVal = 255;
                            }

                            //transformedValue = Math.Sqrt(bluArray[c]);
                            transformedValue = bluArray[c] * bluArray[c]; // square the value
                            int bluVal       = (int)Math.Round(transformedValue * 255);
                            if (bluVal < 0)
                            {
                                bluVal = 0;
                            }
                            else if (bluVal > 255)
                            {
                                bluVal = 255;
                            }

                            bitmap[c, currentRow + r] = Color.FromRgb((byte)redVal, (byte)grnVal, (byte)bluVal);
                        }
                    } // over all columns

                    currentRow += dayPixelHeight;

                    if (thisday.Day % 7 == 0)
                    {
                        for (int c = 0; c < colCount; c++)
                        {
                            bitmap[c, currentRow] = Color.Gray;
                        }

                        currentRow++;
                    }
                } // over days
            });
            // draw on civil dawn and dusk lines
            int startdayOfYear = ((DateTimeOffset)startDate).DayOfYear;
            int endDayOfYear   = ((DateTimeOffset)endDate).DayOfYear;

            SunAndMoon.AddSunRiseSetLinesToImage(bitmap, arguments.BrisbaneSunriseDatafile.ToFileInfo(), startdayOfYear, endDayOfYear, dayPixelHeight);

            // add the time scales
            Image <Rgb24> timeBmp1      = ImageTrack.DrawTimeRelativeTrack(oneDay, graphWidth, trackHeight);
            var           imageList     = new [] { timeBmp1, bitmap, timeBmp1 };
            Image <Rgb24> compositeBmp1 = (Image <Rgb24>)ImageTools.CombineImagesVertically(imageList);

            imageList = new [] { yAxisScale, compositeBmp1 };
            Image <Rgb24> compositeBmp2 = (Image <Rgb24>)ImageTools.CombineImagesInLine(imageList);

            // indices used for image
            string        indicesDescription = $"{redIndexProps.Name}|{grnIndexProps.Name}|{bluIndexProps.Name}";
            string        startString        = $"{startDate.Value.Year}/{startDate.Value.Month}/{startDate.Value.Day}";
            string        endString          = $"{endDate.Value.Year}/{endDate.Value.Month}/{endDate.Value.Day}";
            string        title    = $"EASY:   {arguments.FileStemName}    From {startString} to {endString}                          Indices: {indicesDescription}";
            Image <Rgb24> titleBar = ImageTrack.DrawTitleTrack(compositeBmp2.Width, trackHeight, title);

            imageList     = new [] { titleBar, compositeBmp2 };
            compositeBmp2 = (Image <Rgb24>)ImageTools.CombineImagesVertically(imageList);
            var outputFileName = Path.Combine(opDir.FullName, arguments.FileStemName + "." + rep + ".EASY.png");

            compositeBmp2.Save(outputFileName);
        } // Execute()