Question

154

Clear all polylines from leaflet map

rated 0 times [ 160] [ 6] / answers: 1 / hits: 33621 / 12 Years ago, tue, january 29, 2013, 12:00:00

I am struggling to clear all polylines from my map, i only clear the newest.

var polylines;



// add map polylines

function addPolyline(polyArray, colour) {

    polylines = L.polyline(polyArray, {color: colour});

    polylines.addTo(map);

}



// clear polylines   

function clearPolylines() {

    map.removeLayer(polylines);

}

where addPolylines is called multiple times and clear Polylines is called once. How can i clear all polylines on the map?

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answered 12 Years ago breonnamayah · Accepted Answer

You'll have to remember them all or cheat a bit and peek into map._layers to find them.

EDIT adding sample code by @Ben:

function clearMap() {

    for(i in m._layers) {

        if(m._layers[i]._path != undefined) {

            try {

                m.removeLayer(m._layers[i]);

            }

            catch(e) {

                console.log(problem with  + e + m._layers[i]);

            }

        }

    }

}