private TriangulationPoint getExternalPoint(DelaunayTriangle terminal)
	{
		int index = -1;
		if (terminal.cEdge[0] == false)
			index = 0;
		else if (terminal.cEdge[1] == false)
			index = 1;
		else if (terminal.cEdge[2] == false)
			index = 2;
		if (index == -1)
		{
			System.err.println("Could not find external point on terminal triangle");
			return null;
		}
		else
		{
			return terminal.points[index];
		}
	}