question: public static List < Trip > spatialTripFilter ( List < Trip > trips , SpatialTripCutter cutter ) { List < Trip > filteredTrips = new LinkedList < > ( ) ; for ( Trip tempTrip : trips ) { if ( cutter . spatiallyConsideringTrip ( tempTrip ) ) { filteredTrips . add ( tempTrip . clone ( ) ) ; } } return Collections . unmodifiableList ( filteredTrips ) ; }
target:  Returns all trips in the area defined by the cutter.