} // HiRes1()
/// <summary>
/// HERVE GLOTIN: This is used to analyse the BIRD50 data set.
/// Draws HIres spectrogram images AFTER indices have been calculated.
/// This method does NOT produce acoustic indices.
/// That is, only call this method if hires1() has already been used to produce the indices.
/// </summary>
public static void HiRes2()
{
string histoDir = @"C:\SensorNetworks\Output\BIRD50";
string histoPath = Path.Combine(histoDir, "TrainingRecordingDurations.png");
//string histoPath = Path.Combine(histoDir, "TestingRecordingDurations.png");
// set up histogram of recording durations
int histogramWidth = 600; // equivalent to ten minutes at 0.1 second resolution
int[] recordingDurations = new int[histogramWidth];
// set up IP and OP directories
string inputDir = @"C:\SensorNetworks\Output\BIRD50\Training";
string imageOutputDir = @"C:\SensorNetworks\Output\BIRD50\TrainingImages";
//string imageOutputDir = @"C:\SensorNetworks\Output\BIRD50\TestingRidgeImages";
string indexPropertiesConfig = @"C:\Work\GitHub\audio-analysis\AudioAnalysis\AnalysisConfigFiles\IndexPropertiesConfigHiRes.yml";
// comment next two lines when debugging a single recording file
var inputDirInfo = new DirectoryInfo(inputDir);
//string match = @"*.wav";
//DirectoryInfo[] directories = inputDirInfo.GetDirectories(match, SearchOption.AllDirectories);
DirectoryInfo[] directories = inputDirInfo.GetDirectories();
int count = directories.Length;
//count = 3;
//string fileStem = "ID0003"; //\ID0001\Towsey.Acoustic\
string fileStemFormatString = "ID{0:d4}"; // for training files
//string fileStemFormatString = "ID1{0:d3}"; // for testing files
for (int i = 0; i < count; i++)
{
string fileStem = string.Format(fileStemFormatString, i + 1);
string dataDir = directories[i].FullName + @"\Towsey.Acoustic\";
var ldfcSpectrogramArguments = new DrawLongDurationSpectrograms.Arguments
{
// use the default set of index properties in the AnalysisConfig directory.
InputDataDirectory = dataDir,
OutputDirectory = imageOutputDir,
IndexPropertiesConfig = indexPropertiesConfig,
};
// there are two possible tasks
// 1: draw the aggregated grey scale spectrograms
int secDuration = DrawLongDurationSpectrograms.DrawAggregatedSpectrograms(ldfcSpectrogramArguments, fileStem);
// 2: draw the coloured ridge spectrograms
DrawLongDurationSpectrograms.DrawRidgeSpectrograms(ldfcSpectrogramArguments, fileStem);
if (secDuration >= recordingDurations.Length)
{
secDuration = recordingDurations.Length - 1;
}
recordingDurations[secDuration]++;
}
string title = "Recording Duration: Width = " + histogramWidth + "secs";
Image histoImage = GraphsAndCharts.DrawHistogram(title, recordingDurations, 95, null, histogramWidth, 50);
histoImage.Save(histoPath);
} // HiRes2() produces spectrogram images
