cartodb-4.42/lib/assets/javascripts/cdb/examples/cursor_interaction.html

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<!DOCTYPE html>
<html>
<head>
<title>Adding Cursor interaction to your map example | CartoDB.js</title>
<!--
This example shows you how to add cursor interaction to your map using CartoDB.js
-->
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
<link rel="shortcut icon" href="http://cartodb.com/assets/favicon.ico" />
<style>
html, body, #map {
height: 100%;
padding: 0;
margin: 0;
background-color: #E5F5F7;
}
</style>
<link rel="stylesheet" href="https://libs.cartocdn.com/cartodb.js/v3/3.15/themes/css/cartodb.css" />
</head>
<body>
<div id="map"></div>
<!-- include cartodb.js library -->
<script src="https://libs.cartocdn.com/cartodb.js/v3/3.15/cartodb.uncompressed.js"></script>
<script>
function main() {
var map = new L.Map('map', {
zoomControl: false,
center: [43, -30],
zoom: 3
});
cartodb.createLayer(map, 'http://examples.cartodb.com/api/v2/viz/255729a6-e28c-11e3-bcb7-0e10bcd91c2b/viz.json')
.addTo(map)
.on('done', function(layer) {
var subLayer = layer.getSubLayer(0);
subLayer.setInteraction(true); // Interaction for that layer must be enabled
cdb.vis.Vis.addCursorInteraction(map, subLayer); // undo with removeCursorInteraction
layer.on('featureOver', featureOver);
})
function featureOver(e, latlng, pos, data) {
console.log(data.cartodb_id)
}
}
window.onload = main;
</script>
</body>
</html>