private void addPaletteKnot(String name, Color color, double point, double width) {
		int palettewidth = 256;
		int pointint = (int) Math.floor((palettewidth / 8.0) * point);
		if (pointint > 255) {
			pointint = 255;
		}
		int widthint = (int) Math.floor((palettewidth / 8.0) * width);
		int start = pointint - widthint;
		if (start < 0) {
			start = 0;
		}
		palette.addKnot(name, color, start, pointint);
	}
Helper class for the {@link EntropyOverviewColorService} to manage the options and create
the color Palette for that service.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/overview/entropy/EntropyOverviewOptionsManager.java