Geo Diastance filter

gistfile1.txt

streamingClient.search({
            index: 'checkin',
            type: 'city',
            body: {
               query : {
                  match_all : {}
                },
               filter : {
                  geo_distance : {
                    distance : "12km",
                    location : [$scope.objMapa.getCenter().lat(),$scope.objMapa.getCenter().lng()]
                  }
               }
            }