public static Image <Rgb24> FrameZoomSpectrogram(Image <Rgb24> bmp1, Image <Rgb24> titleBar, TimeSpan startOffset, TimeSpan xAxisPixelDuration, TimeSpan xAxisTicInterval, int nyquist, int herzInterval)
{
TimeSpan fullDuration = TimeSpan.FromTicks(xAxisPixelDuration.Ticks * bmp1.Width);
// init frequency scale
int frameSize = bmp1.Height * 2; // THIS MIGHT BECOME A BUG ONE DAY!!!!!
var freqScale = new FrequencyScale(nyquist, frameSize, herzInterval);
SpectrogramTools.DrawGridLinesOnImage((Image <Rgb24>)bmp1, startOffset, fullDuration, xAxisTicInterval, freqScale);
int trackHeight = 20;
// put start offset into a datetime object.
var dto = default(DateTimeOffset);
dto = dto + startOffset;
Image <Rgb24> timeBmp = ImageTrack.DrawTimeTrack(fullDuration, dto, bmp1.Width, trackHeight);
int imageHt = bmp1.Height + titleBar.Height + trackHeight + 1;
Image <Rgb24> compositeBmp = new Image <Rgb24>(bmp1.Width, imageHt); //get canvas for entire image
compositeBmp.Mutate(gr =>
{
gr.Clear(Color.Black);
int offset = 0;
gr.DrawImage(titleBar, 0, offset); //draw in the top time scale
offset += titleBar.Height;
gr.DrawImage(bmp1, 0, offset); //draw
offset += bmp1.Height;
gr.DrawImage(timeBmp, 0, offset); //draw
});
return(compositeBmp);
}
public static Image <Rgb24> FrameSliceOf3DSpectrogram_DayOfYear(Image <Rgb24> bmp1, Image <Rgb24> titleBar, int year, int dayOfYear, TimeSpan xInterval, int herzValue, FileInfo sunriseSetData, int nyquistFreq)
{
Image <Rgb24> suntrack = SunAndMoon.AddSunTrackToImage(bmp1.Width, sunriseSetData, year, dayOfYear);
bmp1.Mutate(g =>
{
Pen pen = new Pen(Color.White, 1);
var stringFont = Drawing.Arial12;
//Font stringFont = Drawing.Tahoma9;
DateTime theDate = new DateTime(year, 1, 1).AddDays(dayOfYear - 1);
string dateString = $"{year} {DataTools.MonthNames[theDate.Month - 1]} {theDate.Day:d2}";
g.DrawText(dateString, stringFont, Color.Wheat, new PointF(10, 3));
});
TimeSpan xAxisPixelDuration = TimeSpan.FromSeconds(60);
var minuteOffset = TimeSpan.Zero;
double secondsDuration = xAxisPixelDuration.TotalSeconds * bmp1.Width;
TimeSpan fullDuration = TimeSpan.FromSeconds(secondsDuration);
// init frequency scale
int herzInterval = 1000;
int frameSize = bmp1.Height;
var freqScale = new DSP.FrequencyScale(nyquistFreq, frameSize, herzInterval);
SpectrogramTools.DrawGridLinesOnImage((Image <Rgb24>)bmp1, minuteOffset, fullDuration, xInterval, freqScale);
int trackHeight = 20;
int imageHt = bmp1.Height + trackHeight + trackHeight + trackHeight;
var xAxisTicInterval = TimeSpan.FromMinutes(60); // assume 60 pixels per hour
var timeScale24Hour = ImageTrack.DrawTimeTrack(fullDuration, minuteOffset, xAxisTicInterval, bmp1.Width, trackHeight, "hours");
var imageList = new List <Image <Rgb24> >
{
titleBar,
timeScale24Hour,
suntrack,
bmp1,
timeScale24Hour
};
var compositeBmp = ImageTools.CombineImagesVertically(imageList);
// trackHeight = compositeBmp.Height;
// Image<Rgb24> timeScale12Months = ImageTrack.DrawYearScaleVertical(40, trackHeight);
// Image<Rgb24> freqScale = DrawFreqScale_vertical(40, trackHeight, HerzValue, nyquistFreq);
imageList = new List <Image <Rgb24> >();
// imageList.Add(timeScale12Months);
imageList.Add(compositeBmp);
// imageList.Add(freqScale);
compositeBmp = ImageTools.CombineImagesInLine(imageList.ToArray());
return(compositeBmp);
}
public static Image FrameSliceOf3DSpectrogram_DayOfYear(Image bmp1, Image titleBar, int year, int dayOfYear, TimeSpan xInterval, int herzValue, FileInfo sunriseSetData, int nyquistFreq)
{
Bitmap suntrack = SunAndMoon.AddSunTrackToImage(bmp1.Width, sunriseSetData, year, dayOfYear);
Graphics g = Graphics.FromImage(bmp1);
Pen pen = new Pen(Color.White);
Font stringFont = new Font("Arial", 12);
//Font stringFont = new Font("Tahoma", 9);
DateTime theDate = new DateTime(year, 1, 1).AddDays(dayOfYear - 1);
string dateString = string.Format("{0} {1} {2:d2}", year, DataTools.MonthNames[theDate.Month - 1], theDate.Day);
g.DrawString(dateString, stringFont, Brushes.Wheat, new PointF(10, 3));
TimeSpan xAxisPixelDuration = TimeSpan.FromSeconds(60);
var minuteOffset = TimeSpan.Zero;
double secondsDuration = xAxisPixelDuration.TotalSeconds * bmp1.Width;
TimeSpan 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, minuteOffset, fullDuration, xInterval, freqScale);
int trackHeight = 20;
int imageHt = bmp1.Height + trackHeight + trackHeight + trackHeight;
var xAxisTicInterval = TimeSpan.FromMinutes(60); // assume 60 pixels per hour
var timeScale24Hour = ImageTrack.DrawTimeTrack(fullDuration, minuteOffset, xAxisTicInterval, bmp1.Width, trackHeight, "hours");
var imageList = new List <Image>();
imageList.Add(titleBar);
imageList.Add(timeScale24Hour);
imageList.Add(suntrack);
imageList.Add(bmp1);
imageList.Add(timeScale24Hour);
Image compositeBmp = ImageTools.CombineImagesVertically(imageList.ToArray());
// trackHeight = compositeBmp.Height;
// Bitmap timeScale12Months = ImageTrack.DrawYearScaleVertical(40, trackHeight);
// Bitmap freqScale = DrawFreqScale_vertical(40, trackHeight, HerzValue, nyquistFreq);
imageList = new List <Image>();
// imageList.Add(timeScale12Months);
imageList.Add(compositeBmp);
// imageList.Add(freqScale);
compositeBmp = ImageTools.CombineImagesInLine(imageList.ToArray());
return(compositeBmp);
}
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);
}
/// <summary>
/// Can be used for visual checking and debugging purposes.
/// </summary>
public static void DrawNormalisedIndexMatrices(DirectoryInfo dir, string baseName, Dictionary <string, double[, ]> dictionary)
{
var list = new List <Image>();
foreach (string key in ContentSignatures.IndexNames)
{
var bmp = ImageTools.DrawReversedMatrixWithoutNormalisation(dictionary[key]);
// need to rotate spectrogram to get correct orientation.
bmp.RotateFlip(RotateFlipType.Rotate270FlipNone);
// draw grid lines and add axis scales
var xAxisPixelDuration = TimeSpan.FromSeconds(60);
var fullDuration = TimeSpan.FromTicks(xAxisPixelDuration.Ticks * bmp.Width);
var freqScale = new FrequencyScale(11025, 512, 1000);
SpectrogramTools.DrawGridLinesOnImage((Bitmap)bmp, TimeSpan.Zero, fullDuration, xAxisPixelDuration, freqScale);
const int trackHeight = 20;
var recordingStartDate = default(DateTimeOffset);
var timeBmp = ImageTrack.DrawTimeTrack(fullDuration, recordingStartDate, bmp.Width, trackHeight);
var array = new Image[2];
array[0] = bmp;
array[1] = timeBmp;
var image = ImageTools.CombineImagesVertically(array);
// add a header to the spectrogram
var header = new Bitmap(image.Width, 20);
Graphics g = Graphics.FromImage(header);
g.Clear(Color.LightGray);
g.SmoothingMode = SmoothingMode.AntiAlias;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.DrawString(key, new Font("Tahoma", 9), Brushes.Black, 4, 4);
list.Add(ImageTools.CombineImagesVertically(new List <Image>(new[] { header, image })));
}
// save the image - the directory for the path must exist
var path = Path.Combine(dir.FullName, baseName + "__Towsey.Acoustic.GreyScaleImages.png");
var indexImage = ImageTools.CombineImagesInLine(list);
indexImage?.Save(path);
}
/// <summary>
/// Can be used for visual checking and debugging purposes.
/// </summary>
public static void DrawNormalisedIndexMatrices(DirectoryInfo dir, string baseName, Dictionary <string, double[, ]> dictionary)
{
var list = new List <Image <Rgb24> >();
foreach (string key in ContentSignatures.IndexNames)
{
var bmp = ImageTools.DrawReversedMatrixWithoutNormalisation(dictionary[key]);
// need to rotate spectrogram to get correct orientation.
bmp.RotateFlip(RotateFlipType.Rotate270FlipNone);
// draw grid lines and add axis scales
var xAxisPixelDuration = TimeSpan.FromSeconds(60);
var fullDuration = TimeSpan.FromTicks(xAxisPixelDuration.Ticks * bmp.Width);
var freqScale = new FrequencyScale(11025, 512, 1000);
SpectrogramTools.DrawGridLinesOnImage((Image <Rgb24>)bmp, TimeSpan.Zero, fullDuration, xAxisPixelDuration, freqScale);
const int trackHeight = 20;
var recordingStartDate = default(DateTimeOffset);
var timeBmp = ImageTrack.DrawTimeTrack(fullDuration, recordingStartDate, bmp.Width, trackHeight);
var image = ImageTools.CombineImagesVertically(bmp, timeBmp);
// add a header to the spectrogram
var header = Drawing.NewImage(image.Width, 20, Color.LightGray);
header.Mutate(g =>
{
g.DrawText(key, Drawing.Tahoma9, Color.Black, new PointF(4, 4));
list.Add(ImageTools.CombineImagesVertically(header, image));
});
}
// save the image - the directory for the path must exist
var path = Path.Combine(dir.FullName, baseName + "__Towsey.Acoustic.GreyScaleImages.png");
var indexImage = ImageTools.CombineImagesInLine(list);
indexImage?.Save(path);
}