private String determinePixelSymbol(int intensity) {
		
		String result = null;
		
		if (intensity > 240) {
			result = " ";
		} else if (intensity > 200) {
			result = ".";
		} else if (intensity > 160) {
			result = "^";
		} else if (intensity > 120) {
			result = "*";
		} else if (intensity > 90) {
			result = "&";
		} else if (intensity > 50) {
			result = "%";
		} else if (intensity > 30) {
			result = "$";
		} else if (intensity > 20) {
			result = "@";
		} else if (intensity >= 0) {
			result = "#";
		}
		
		return result;
	}