/// <summary>
/// The add peak.
/// </summary>
/// <param name="yData">
/// The y data.
/// </param>
/// <param name="xMin">
/// The x min.
/// </param>
/// <param name="xStep">
/// The x step.
/// </param>
/// <param name="peakDescription">
/// The peak description.
/// </param>
private static void AddPeak(double[] yData, double xMin, double xStep, PeakDescription peakDescription)
{
var xStart = peakDescription.RetentionTime - 3 * peakDescription.Width;
var xStop = peakDescription.RetentionTime + 3 * peakDescription.Width;
var startIndex = Math.Max(0, (int)((xStart - xMin) / xStep));
var stopIndex = Math.Min(yData.Length - 1, (int)((xStop - xMin) / xStep));
for (var i = startIndex; i <= stopIndex; ++i)
{
var x = xMin + i * xStep;
yData[i] += peakDescription.Height
* Math.Exp(
-(peakDescription.RetentionTime - x) * (peakDescription.RetentionTime - x)
/ (peakDescription.Width * peakDescription.Width));
}
}
/// <summary>
/// The create peak desctiptions.
/// </summary>
/// <param name="numberOfPeaks">
/// The number of peaks.
/// </param>
/// <param name="minWidth">
/// The min width.
/// </param>
/// <param name="maxWidth">
/// The max width.
/// </param>
/// <param name="minHeight">
/// The min height.
/// </param>
/// <param name="maxHeight">
/// The max height.
/// </param>
/// <param name="min">
/// The min.
/// </param>
/// <param name="max">
/// The max.
/// </param>
public static PeakDescription[] CreatePeakDesctiptions(
int numberOfPeaks,
double minWidth,
double maxWidth,
double minHeight,
double maxHeight,
double min,
double max)
{
var random = new Random();
var peaks = new PeakDescription[numberOfPeaks];
for (var i = 0; i < numberOfPeaks; ++i)
{
var retentionTime = min + maxWidth + random.NextDouble() * (max - min - 2 * maxWidth);
var height = minHeight + random.NextDouble() * (maxHeight - minHeight);
var width = minWidth + random.NextDouble() * (maxWidth - minWidth);
peaks[i] = new PeakDescription {
Height = height, Width = width, RetentionTime = retentionTime
};
}
return(peaks);
}
