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World flags
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<!DOCTYPE html> | |
<html> | |
<head> | |
<title>World flags | CartoDB.js</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="http://cartodb.com/assets/favicon.ico" /> | |
<style> | |
html, body, #map { | |
height: 100%; | |
padding: 0; | |
margin: 0; | |
} | |
</style> | |
<link rel="stylesheet" href="http://libs.cartocdn.com/cartodb.js/v3/3.11/themes/css/cartodb.css" /> | |
</head> | |
<body> | |
<div id="map"></div> | |
<!-- include cartodb.js library --> | |
<script src="http://libs.cartocdn.com/cartodb.js/v3/3.11/cartodb.js"></script> | |
<script> | |
function generateMap(dt) { | |
var c_css = "#world_flags{ line-color: #FFF; line-width: 1; line-opacity: 1; polygon-pattern-file: url(https://pbs.twimg.com/profile_images/2020063308/twavatar.png); polygon-pattern-opacity: 0.7;}"; | |
// create leaflet map | |
var map = L.map('map', { | |
zoomControl: false, | |
center: [43, 0], | |
zoom: 3 | |
}) | |
// add a base layer | |
L.tileLayer('https://stamen-tiles-{s}.a.ssl.fastly.net/watercolor/{z}/{x}/{y}.png', { | |
attribution: 'Map tiles by <a href="http://stamen.com">Stamen Design</a>, under <a href="http://creativecommons.org/licenses/by/3.0">CC BY 3.0</a>. Data by <a href="http://openstreetmap.org">OpenStreetMap</a>, under <a href="http://creativecommons.org/licenses/by-sa/3.0">CC BY SA</a>.' | |
}).addTo(map); | |
// add cartodb layer with one sublayer | |
cartodb.createLayer(map, { | |
user_name: 'xatpy', | |
type: 'cartodb', | |
sublayers: [{ | |
sql: "SELECT * FROM world_flags ", | |
cartocss: c_css | |
}] | |
}) | |
.addTo(map) | |
.done(function(layer) { | |
console.log('cargado'); | |
var l = layer.getSubLayer(0); | |
l.setSQL("SELECT * FROM world_flags"); | |
for (var i = 0; i < dt.length; ++i) { | |
if ((dt[i].flag != null) && (dt[i].flag != "")){ | |
console.log(dt[i].name + dt[i].flag); | |
c_css += " #world_flags [ name = '" + dt[i].name + "'] { polygon-pattern-file: url(" + dt[i].flag + "); polygon-pattern-opacity: 0.8;} "; | |
} | |
} | |
l.setCartoCSS(c_css); | |
}); | |
} | |
function main() { | |
var dt = []; | |
var url = "http://xatpy.cartodb.com/api/v2/sql?q=SELECT name, flag FROM world_flags"; | |
$.getJSON( url, function (data) { | |
for (var i = 0; i < data.rows.length; ++i) { | |
dt[i] = data.rows[i]; | |
} | |
generateMap(dt); | |
}) | |
} | |
window.onload = main; | |
</script> | |
</body> | |
</html> |
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