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));
}
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());
}