private void initAnalysisDisplay(RealSpectrum spec, SpectrumAnalysis analysis, int width) {
int dominantFrequencyIndex = analysis.getDominantFrequencyIndex();
dominantFrequency =
String.valueOf(Math.round(analysis.getDominantFrequency() * 100.0) / 100.0) + " Hz";
double freqX =
((double) (width - settingsPanelWidth)) * (dominantFrequencyIndex / (double) spec.length());
double freqY = calcDominantFrequencyAmplitude(dominantFrequencyIndex) - 10;
dominantFrequencyLocation = new Point2D.Double(freqX, freqY);
}
public SpectrumDisplayPanel(RealSpectrum spectrum, SpectrumAnalysis analysis) {
this();
height = Display.getHeight();
width = Display.getWidth();
xUnit = " Hz";
hDivBy = 40 / Settings.getMaxFrequency();
name = "Spectrum";
initScale(width);
double max = spectrum.calcMax();
double min = spectrum.calcMin();
double signalHeight = max - min;
double baseline = (height / 2) + (min * (height / 3) / signalHeight) - 70;
int numnberOfPointsToDraw = spectrum.length();
points = new Point2D[numnberOfPointsToDraw];
for (int i = 0; i < numnberOfPointsToDraw; i++) {
points[i] =
new Point2D.Double(
10.0 + ((double) (width - settingsPanelWidth)) * (i / (double) numnberOfPointsToDraw),
-15 + baseline - (spectrum.getSample(i) * (height / 3) / signalHeight));
}
initAnalysisDisplay(spectrum, analysis, width);
dx = Settings.getMaxFrequency() * (1.0 / (width - settingsPanelWidth));
}