Ejemplo n.º 1
0
        public string SimplifyGPSTest()
        {
            Random r       = new Random();
            int    index   = r.Next(myUserTrajectories.GPSTrajectoriesData.Count);
            var    path    = myUserTrajectories.GPSTrajectoriesData[index];
            string oldjson = GPSTrajectoryWriter.SingleTrajectoryToBaiduMapJson(path);
            //获取简化后的轨迹
            GPSDouglasSimplification gds = new GPSDouglasSimplification(path, 20);
            var newpath = gds.Excute();

            return(oldjson + "\n" + GPSTrajectoryWriter.SingleTrajectoryToBaiduMapJson(newpath));
        }
Ejemplo n.º 2
0
        public string TestRTree()
        {
            Random        r     = new Random();
            int           index = r.Next(myUserTrajectories.GPSTrajectoriesData.Count);
            StringBuilder roads = new StringBuilder();
            var           path  = myUserTrajectories.GPSTrajectoriesData[index];

            for (int i = 0; i < path.GPSCount; i++)
            {
                //这里的查询可以优化
                var result = myRoadNetwork.RoadSegmentRtree.Query(new Envelope(path[i]));
                foreach (RoadSegment item in result)
                {
                    roads.Append(item.ToString() + "\n");
                }
            }
            return(GPSTrajectoryWriter.SingleTrajectoryToBaiduMapJson(path) + "\n" + roads.ToString());
        }