private int getEdgeNumber(double edgeLenght) {
		System.out.println("D: " + edgeLenght);
		int edgeNumber = -1;

		if (edgeLenght < (edgeA + moe) && edgeLenght > (edgeA - moe))
			return 0;

		else if (edgeLenght < (edgeB + moe) && edgeLenght > (edgeB - moe))
			return 1;

		else if (edgeLenght < (edgeC + moe) && edgeLenght > (edgeC - moe))
			return 2;

		else if (edgeLenght < (edgeD + moe) && edgeLenght > (edgeD - moe))
			return 3;
		return edgeNumber;
	}