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Last active May 12, 2017 14:12
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CARTO Locations Training Sample
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index.html
<!DOCTYPE html>
<html>
<head>
<title>CARTO Locations | Training Sample</title>
<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="https://cartodb.com/assets/favicon.ico" />
<link rel="stylesheet" href="https://cartodb-libs.global.ssl.fastly.net/cartodb.js/v3/3.15/themes/css/cartodb.css" />
<script src="https://cartodb-libs.global.ssl.fastly.net/cartodb.js/v3/3.15/cartodb.js"></script>
<style>
html, body, #map {
height: 100%;
padding: 0;
margin: 0;
}
button {
top: 20px;
bottom: auto;
position: absolute;
z-index: 100;
left: 20px;
background-color: white;
width: 120px;
height: 60px;
border-radius: 5px;
}
</style>
</head>
<body>
<!-- map div -->
<div id="map"></div>
<!-- define a button object-->
<div id="button">
<button>Bubbles!</button>
</div>
<!-- infowindow div -->
<script type="infowindow/html" id="infowindow_template">
<div class="cartodb-popup v2">
<a href="#close" class="cartodb-popup-close-button close">x</a>
<div class="cartodb-popup-content-wrapper">
<div class="cartodb-popup-content">
<h3>{{name}}</h3>
<h4>{{adm0name}}</h4>
<p>{{pop_max}} inhabitants</p>
</div>
<div class="cartodb-popup-tip-container"></div>
</div>
</script>
<!-- legend div -->
<div class='cartodb-legend category'>
<div class="legend-title" style="color:#284a59">Cities</div>
<ul>
<li><div class="bullet" style="background-color:#5F4690"></div>Populated Place</li>
<li><div class="bullet" style="background-color:#1D6996"></div>Admin. 1 Capital</li>
<li><div class="bullet" style="background-color:#38A6A5"></div>Admin. 0 Capital</li>
<li><div class="bullet" style="background-color:#0F8554"></div>Admin. 1 region Capital</li>
<li><div class="bullet" style="background-color:#73AF48"></div>Scientific Station</li>
<li><div class="bullet" style="background-color:#EDAD08"></div>Admin. O region Capital </li>
<li><div class="bullet" style="background-color:#E17C05"></div>Admin. 0 Capital Alt.</li>
<li><div class="bullet" style="background-color:#CC503E"></div>Historic Place</li>
<li><div class="bullet" style="background-color:#94346E"></div>Meteorological Station</li>
</ul>
</div>
<script type="text/cartocss" id="style">
#layer {
marker-width: 10;
marker-fill: ramp([featurecla], (#5F4690, #1D6996, #38A6A5, #0F8554, #73AF48, #EDAD08, #E17C05, #CC503E, #94346E), ("Populated place", "Admin-1 capital", "Admin-0 capital", "Admin-1 region capital", "Scientific station", "Admin-0 region capital", "Admin-0 capital alt", "Historic place", "Meteorological Station"), "=");
marker-fill-opacity: 0.7;
marker-allow-overlap: true;
marker-line-width: 0;
}
</script>
<script type="text/sql" id="query">
SELECT
*
FROM
populated_places WHERE pop_max > 700000
</script>
<script>
function main() {
// get styles & query
var style = $("#style").text(),
query = $("#query").text(),
// declare map variable
map = L.map('map', {
zoomControl: false,
center: [41, -3],
zoom: 3
});
// add basemap
L.tileLayer('http://{s}.basemaps.cartocdn.com/light_nolabels/{z}/{x}/{y}.png', {attribution: '&copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, &copy; <a href="http://cartodb.com/attributions">CARTO</a>'}).addTo(map);
// add cartodb layer
cartodb.createLayer(map, {
user_name: 'ramirocartodb',
type: 'cartodb',
sublayers: [{
sql: query,
cartocss: style,
}]
}).addTo(map)
.done(function(layer){
// declare sublayer variable
var cityLayer = layer.getSubLayer(0);
// set layer interactivity
cityLayer.setInteractivity("name, adm0name, pop_max");
cityLayer.setInteraction(true);
// add popup
cdb.vis.Vis.addInfowindow(
map, layer, ["name", "adm0name", "pop_max"],
{
infowindowTemplate: $('#infowindow_template').html()
});
// add tooltip
var tooltip = layer.leafletMap.viz.addOverlay({
type: 'tooltip',
layer: layer,
template: '<div class="cartodb-tooltip-content-wrapper"><div class="cartodb-tooltip-content"><h4>{{name}}</h4></div></div>',
width: 200,
position: 'bottom|right',
fields: [{ name: 'name' }]
});
$('body').append(tooltip.render().el);
// add button action
$('button').on('click', function() {
var new_style = style.replace('marker-width: 10;','marker-width: ramp([pop_max], range(3,25), quantiles(7));');
cityLayer.setCartoCSS(new_style);
});
});
}
window.onload = main;
</script>
</body>
</html>
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