Question

I am currently using markercluster plugin with jquery ui maps.

I have two arrays one of all markers (called markers) and one of markers that match search criteria (called current_markers). These are fitered from the first array.

I then draw the current_markers on screen.

I am finding however that the markerclusterer library is not updating based on this change.

So how can I update the markerclusterer?

Is it possible to assign the markerclusterer to a variable and call an update function?

Answer 1

You should store the marker object in a var and then unset the map as following:

var markerCluster = new MarkerClusterer(map, markers);
/// ... later on
markerCluster.setMap(null);

after you’ve done this, you could init a new MarkerClusterer with new markers

Update

since you are using google maps ui plugin here’s some additional code. I’ve added a click even on a button with class reset_markercluster ofcourse this is just to show how to use it to call the map

var _map, _markerCluster;

$(function() {
  $('#map_canvas').gmap().bind('init', function(event, map) { 
    _map = map; // at this point you can call _map whenever you need to call the map

    // build up your markers here ...

    _markerCluster = new MarkerClusterer(_map, markers);  // you could also use map instead of _map here cause it's still present in this function
  });

  $("button.reset_markercluster").click(function(e) {
    e.preventDefault();
    _markerCluster.setMap(null);  // remove's the previous added markerCluster

    // rebuild you markers here ...

    _markerCluster = new MarkerClusterer(_map, newMarkers);

  });
});