92 lines
2.7 KiB
HTML
92 lines
2.7 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>Leaflet multilayer example | CartoDB.js</title>
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<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
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<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
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<link rel="shortcut icon" href="http://cartodb.com/assets/favicon.ico" />
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<style>
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html, body, #map {
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height: 100%;
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padding: 0;
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margin: 0;
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}
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</style>
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<link rel="stylesheet" href="https://libs.cartocdn.com/cartodb.js/v3/3.15/themes/css/cartodb.css" />
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</head>
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<body>
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<div id="map"></div>
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<!-- include cartodb.js library -->
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<script src="https://libs.cartocdn.com/cartodb.js/v3/3.15/cartodb.js"></script>
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<script>
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function main() {
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// create leaflet map
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var map = L.map('map', {
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zoomControl: false,
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center: [43, 0],
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zoom: 3
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})
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// add a base layer
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L.tileLayer('http://tile.stamen.com/toner/{z}/{x}/{y}.png', {
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attribution: 'Stamen'
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}).addTo(map);
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// add cartodb layer with one sublayer
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cartodb.createLayer(map, {
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user_name: 'examples',
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type: 'cartodb',
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sublayers: [{
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sql: 'select * from country_boundaries',
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cartocss: '#layer { polygon-fill: #F00; polygon-opacity: 0.3; line-color: #F00; }'
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}]
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})
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.addTo(map)
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.done(function(layer) {
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var population;
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// wait a little bit and add the most populated places
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setTimeout(function() {
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population = layer.createSubLayer({
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sql: 'select * from ne_10m_populated_p_2',
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cartocss: '#layer { marker-fill: black; line-color: #333; marker-width: 3 }',
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interactivity: 'name'
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});
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// print on the console the place name on hover
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population.on('featureOver', function(e, pos, pixel, data) {
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console.log(data.name);
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});
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population.setInteraction(true);
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}, 3000);
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// show population only in USA
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setTimeout(function() {
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population.setSQL("select * from ne_10m_populated_p_2 where adm0name = 'United States of America'")
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}, 6000);
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// bigger points in USA
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setTimeout(function() {
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population.setCartoCSS( '#layer { marker-fill: black; line-color: #333; marker-width: 10; marker-opacity: 0.6; }' );
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}, 8000);
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// remove the countries layer
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setTimeout(function() {
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layer.getSubLayer(0).remove();
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}, 10000);
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});
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}
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// you could use $(window).load(main);
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window.onload = main;
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</script>
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</body>
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</html>
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