/// <summary>
        /// Creates a new tester for consistent areas.
        /// </summary>
        /// <param name="geomGraph">
        /// The topology graph of the area geometry
        /// </param>
        public ConsistentAreaTester(GeometryGraph geomGraph)
        {
            li        = new RobustLineIntersector();
            nodeGraph = new RelateNodeGraph();

            this.geomGraph = geomGraph;
        }