Openlayers 3 动态刻度 - 如何打开和关闭它？

Question

I would like to be able to toggle the graticule on and off dynamically, but the graticule documentation doesn't have an unset, just a setMap() function. How do I dynamically add/remove a graticule to the map?

Do I have a secondary empty unused map and setMap() to that when I want it to go away, then back to my main map on toggle?

Answer 1

According to comments, to record:

var graticule = new ol.Graticule({
    map: map //Reference to an ol.Map object
});

And later, to remove from the map:

graticule.setMap(null);