nl_tokens: Takes an array of markers and adds them in bulk
pl_tokens: function ( layersArray ) { var fg = this . _featureGroup , npg = this . _nonPointGroup , chunked = this . options . chunkedLoading , chunkInterval = this . options . chunkInterval , chunkProgress = this . options . chunkProgress , newMarkers , i , l , m ; if ( this . _map ) { var <mask> = 0 , started = ( new Date ( ) ) . getTime ( ) ; var process = L . bind ( function ( ) { var start = ( new Date ( ) ) . getTime ( ) ; for ( ; offset < layersArray . length ; offset ++ ) { if ( chunked && offset % 200 === 0 ) { // every couple hundred markers, instrument the time elapsed since processing started: var elapsed = ( new Date ( ) ) . getTime ( ) - start ; if ( elapsed > chunkInterval ) { break ; // been working too hard, time to take a break :-) } } m = layersArray [ offset ] ; //Not point data, can't be clustered if ( ! m . getLatLng ) { npg . addLayer ( m ) ; continue ; } if ( this . hasLayer ( m ) ) { continue ; } this . _addLayer ( m , this . _maxZoom ) ; //If we just made a cluster of size 2 then we need to remove the other marker from the map (if it is) or we never will if ( m . __parent ) { if ( m . __parent . getChildCount ( ) === 2 ) { var markers = m . __parent . getAllChildMarkers ( ) , otherMarker = markers [ 0 ] === m ? markers [ 1 ] : markers [ 0 ] ; fg . removeLayer ( otherMarker ) ; } } } if ( chunkProgress ) { // report progress and time elapsed: chunkProgress ( offset , layersArray . length , ( new Date ( ) ) . getTime ( ) - started ) ; } if ( offset === layersArray . length ) { //Update the icons of all those visible clusters that were affected this . _featureGroup . eachLayer ( function ( c ) { if ( c instanceof L . MarkerCluster && c . _iconNeedsUpdate ) { c . _updateIcon ( ) ; } } ) ; this . _topClusterLevel . _recursivelyAddChildrenToMap ( null , this . _zoom , this . _currentShownBounds ) ; } else { setTimeout ( process , this . options . chunkDelay ) ; } } , this ) ; process ( ) ; } else { newMarkers = [ ] ; for ( i = 0 , l = layersArray . length ; i < l ; i ++ ) { m = layersArray [ i ] ; //Not point data, can't be clustered if ( ! m . getLatLng ) { npg . addLayer ( m ) ; continue ; } if ( this . hasLayer ( m ) ) { continue ; } newMarkers . push ( m ) ; } this . _needsClustering = this . _needsClustering . concat ( newMarkers ) ; } return this ; }