add period

apps/function/multi_traj_functions.cpp

@@ -184,14 +184,14 @@ vector<pair<string, vector<pair<double, double>>>> crossFilter(
             int result_index;
             float sqr_distance;
             octree.approxNearestSearch(query, result_index, sqr_distance);
-            if(sqr_distance < 10){
+            if(sqrt(sqr_distance) < 10){
                 found = true;
                 if(!inPeriod){
                     start = query.info;
                     inPeriod = true;
 //                    LOG(INFO) << setprecision(15) << "start: " << start;
                 }
-            }else if(sqr_distance > 25){
+            }else if(sqrt(sqr_distance) > 15){
                 if(inPeriod){
                     end = query.info;
                     inPeriod = false;