ColorMap für Falschfarben

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public ColorMap[] CreateColorMap()
{
	ColorMap[] colorMap = new ColorMap[256];
	for (int i = 0; i < colorMap.Length; i++)
	{
		colorMap[i] = new ColorMap();

		// Alte Farbe:
		Color oldColor = Color.FromArgb(i, i, i);
		colorMap[i].OldColor = oldColor;

		// Neue Farbe [-1,1]:
		double red = Math.Sin(i * 2 * Math.PI / 255d - Math.PI);
		double green = Math.Sin(i * 2 * Math.PI / 255d - Math.PI / 2);
		double blue = Math.Sin(i * 2 * Math.PI / 255d);

		// Neue Farbe [0,255]:
		red = (red + 1) * 0.5 * 255;
		green = (green + 1) * 0.5 * 255;
		blue = (blue + 1) * 0.5 * 255;

		Color newColor = Color.FromArgb(
			(int)red,
			(int)green,
			(int)blue);
		colorMap[i].NewColor = newColor;
	}

	return colorMap;
}