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<!DOCTYPE html> | |
<html> | |
<head> | |
<title>Aggregated content from clustered features II - Average Population| CartoDB</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="https://cartodb-libs.global.ssl.fastly.net/cartodb.js/v3/3.15/themes/css/cartodb.css" /> | |
</head> | |
<body> | |
<div id="map"></div> | |
<!-- include cartodb.js library --> | |
<script src="https://cartodb-libs.global.ssl.fastly.net/cartodb.js/v3/3.15/cartodb.js"></script> | |
<!-- Drop your code between the script tags below! --> | |
<script type="infowindow/html" id="infowindow_template"> | |
<div class="cartodb-popup"> | |
<a href="#close" class="cartodb-popup-close-button close">x</a> | |
<div class="cartodb-popup-content-wrapper"> | |
<div class="cartodb-popup-content"> | |
<!-- content.data contains the field info --> | |
<h4>Features Count</h4> | |
<p>{{content.data.points_count}}</p> | |
<h4>Average Population</h4> | |
<p>{{content.data.average}}</p> | |
</div> | |
</div> | |
<div class="cartodb-popup-tip-container"></div> | |
</div> | |
</script> | |
<script type="sql/html" id="sql_template_a"> | |
WITH | |
hgrid AS ( | |
SELECT | |
CDB_HexagonGrid( | |
ST_Expand( | |
!bbox!, | |
greatest(!pixel_width!,!pixel_height!) * 24 | |
), greatest(!pixel_width!,!pixel_height!) * 24 | |
) AS cell | |
) | |
SELECT | |
hgrid.cell AS the_geom_webmercator, | |
count(i.cartodb_id) AS points_count, | |
row_number() over () AS cartodb_id, | |
array_agg(cartodb_id) AS id_list, | |
avg(pop_max) AS average | |
FROM | |
hgrid, | |
(select * from ne_10m_populated_places_simple_7_copy) i | |
WHERE | |
ST_Intersects( | |
i.the_geom_webmercator, | |
hgrid.cell | |
) | |
GROUP BY hgrid.cell | |
</script> | |
<style type="text/cartocss" id="cartoCSS"> | |
#layer{ | |
line-width:1px; | |
line-color:#333; | |
line-opacity:0.5; | |
[ average <= 35676000] { polygon-fill: #BD0026;} | |
[ average <= 300424] { polygon-fill: #F03B20;} | |
[ average <= 111461] { polygon-fill: #FD8D3C;} | |
[ average <= 47653] { polygon-fill: #FECC5C;} | |
[ average <= 15601] { polygon-fill: #FFFFB2;} | |
} | |
</style> | |
<script> | |
var map=L.map('map', {center: [36,0],zoom:3}); | |
function main(){ | |
L.tileLayer('http://{s}.tile.stamen.com/toner/{z}/{x}/{y}.png', { | |
attribution:'Stamen and CartoDB attribution' | |
}).addTo(map); | |
var clusterSQL = $('#sql_template_a').html(); | |
var cartoCSS = $('#cartoCSS').html(); | |
cartodb.createLayer(map, { | |
user_name:'ernestomb', | |
type:'cartodb', | |
sublayers:[{ | |
sql: clusterSQL, | |
cartocss:cartoCSS, | |
}] | |
},{https:true}) | |
.on('done', function(layer){ | |
cdb.vis.Vis.addInfowindow(map,layer.getSubLayer(0), ['points_count', 'average'],{infowindowTemplate: $('#infowindow_template').html()}); | |
}) | |
.addTo(map); | |
} | |
window.onload = main; | |
</script> | |
</body> | |
</html> |
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