Smarter search radius formula for map matching

2016-09-20 10:26:53 -07:00
parent 44e4728bde
commit b73c59088c
3 changed files with 43 additions and 10 deletions
@@ -153,15 +153,11 @@ Status MatchPlugin::HandleRequest(const std::shared_ptr<datafacade::BaseDataFaca
                       parameters.radiuses.end(),
                       search_radiuses.begin(),
                       [](const boost::optional<double> &maybe_radius) {
-                           if (maybe_radius)
-                           {
-                               return *maybe_radius * RADIUS_MULTIPLIER;
-                           }
-                           else
-                           {
-                               return DEFAULT_GPS_PRECISION * RADIUS_MULTIPLIER;
-                           }
+                           double in_radius = maybe_radius ? *maybe_radius : DEFAULT_GPS_PRECISION;

+                           return std::min(
+                               in_radius * parameters.search_radius_multiplier + parameters.search_radius_base,
+                               parameters.search_radius_max);
                       });
    }