private void initScale(int width) {
hertz = Settings.getMaxFrequency();
scale = new double[hertz * hDivBy];
scaleStr = new String[(hertz * hDivBy) + 1];
for (int i = 0; i < hertz; i++) {
for (int j = 0; j < hDivBy; j++) {
scale[i * hDivBy + j] =
10.0
+ ((width - settingsPanelWidth) * (i * hDivBy + j + 1)) / (double) (hertz * hDivBy);
scaleStr[i * hDivBy + j] = (i + j / hDivBy) + "," + (10 / hDivBy) * (j % hDivBy);
}
}
scaleStr[hertz * hDivBy] = hertz + ",0";
}
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));
}