Google maps GeoJSON- toggle marker layers?

Question

I have some GeoJSON returned from a call to a PostGIS database. I\'d like to be able to add a marker for each feature, and be able to toggle different types of marker/feature. C

Answer 1

You can also create separate layers

var layer_1 = new google.maps.Data();
var layer_2 = new google.maps.Data();

then populate it, e.g. with json data

layer_1.loadGeoJson('/path/to/data.json');
layer_2.loadGeoJson('/path/to/data2.json');

then add / remove them on the map

layer_1.setMap(map);
layer_2.setMap(map);
layer_1.setMap(null);