Created
January 22, 2014 18:44
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Add and Remove Leaflet Circle on Click
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<html> | |
<head> | |
<title>Click Circle</title> | |
<link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.6.4/leaflet.css" /> | |
<!--[if lte IE 8]> | |
<link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.6.4/leaflet.ie.css" /> | |
<![endif]--> | |
<script src="http://cdn.leafletjs.com/leaflet-0.6.4/leaflet.js"></script> | |
<style type="text/css"> | |
#map { | |
height: 500px; | |
} | |
</style> | |
</head> | |
<body> | |
<h1></h1> | |
<div id="map"></div> | |
<script type="text/javascript"> | |
var map = L.map('map', { | |
center: [33.8, -84.4], | |
zoom: 11 | |
}); | |
L.tileLayer('http://tile.cloudmade.com/YOUR_API_KEY/29889/256/{z}/{x}/{y}.png', { | |
attribution: 'Map data © <a href="http://openstreetmap.org">OpenStreetMap</a> contributors, <a href="http://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>, Imagery © <a href="http://cloudmade.com">CloudMade</a>', | |
maxZoom: 18 | |
}).addTo(map); | |
// click circle: | |
var clickCircle; | |
function onMapClick(e) { | |
if (clickCircle != undefined) { | |
map.removeLayer(clickCircle); | |
}; | |
clickCircle = L.circle(e.latlng, 1609 * 3, { | |
color: '#f07300', | |
fillOpacity: 0, | |
opacity: 0.5 | |
}).addTo(map); | |
} | |
map.on('click', onMapClick); | |
</script> | |
</body> | |
</html> |
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@MarcoDiGioia 1609 is metre equivalent to 1 mile so 1609 * 3 converts 3 miles to metre