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andrewxhill/index.html

Last active August 29, 2015 14:01
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small multiples using many maps
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<title>Leaflet multilayer example | 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 {
height: 100%;
padding: 0;
margin: 0;
background: white;
}
.map{
height: 100px; width: 10%; min-width: 50px;
padding: 0;
margin: 0;
float: left;
background: white;
border: 1px solid #eee;
}
</style>
<link rel="stylesheet" href="http://libs.cartocdn.com/cartodb.js/v3/themes/css/cartodb.css" />
<!--[if lte IE 8]>
<link rel="stylesheet" href="http://libs.cartocdn.com/cartodb.js/v3/themes/css/cartodb.ie.css" />
<![endif]-->
</head>
<body>
<!-- include cartodb.js library -->
<script src="http://libs.cartocdn.com/cartodb.js/v3/cartodb.js"></script>
<script>
var username = 'andrew';
function main() {
var sql = cartodb.SQL({ user: username });
sql.execute("SELECT cartodb_id, name, ST_XMin(the_geom) wx, ST_XMax(the_geom) ex,ST_YMin(the_geom) sy,ST_YMax(the_geom) ny FROM ne_110m_admin_0_countries ORDER BY name ASC").done(function(data) {
data.rows.map(function(r) {
var id = "map_"+r.cartodb_id;
var m = $('<div></div>').attr('id', id).attr('class', 'map').css('background','white')
$('body').append(m)
var map = L.map(id, {
zoomControl: false,
center: [43, 0],
zoom: 3,
attributionControl: false
})
map.fitBounds([
[r.ny, r.wx],
[r.sy, r.ex]
]);
var polygons = {};
function geometryHover(username, map, layer, cartodb_id, options) {
options = options || {}
var HIGHLIGHT_STYLE = {
weight: 3,
color: '#FFFFFF',
opacity: 1,
fillColor: '#FFFFFF',
fillOpacity: 0.3
};
style = options.style || HIGHLIGHT_STYLE;
var polygonsHighlighted = [];
// fetch the geometry
var sql = new cartodb.SQL({ user: username, format: 'geojson' });
sql.execute("select cartodb_id, ST_Simplify(the_geom, 0.1) as the_geom from (" + layer.getSQL() + ") as _wrap WHERE cartodb_id = "+cartodb_id).done(function(geojson) {
var features = geojson.features;
for(var i = 0; i < features.length; ++i) {
var f = geojson.features[i];
var key = f.properties.cartodb_id
// generate geometry
var geo = L.GeoJSON.geometryToLayer(features[i].geometry);
geo.setStyle(style);
// add to polygons
polygons[key] = polygons[key] || [];
polygons[key].push(geo);
}
});
function featureOver(e, pos, latlng, data) {
featureOut();
var pol = polygons[data.cartodb_id] || [];
for(var i = 0; i < pol.length; ++i) {
map.addLayer(pol[i]);
polygonsHighlighted.push(pol[i]);
}
}
function featureOut() {
var pol = polygonsHighlighted;
for(var i = 0; i < pol.length; ++i) {
map.removeLayer(pol[i]);
}
polygonsHighlighted = [];
}
layer.on('featureOver', featureOver);
layer.on('featureOut', featureOut);
layer.setInteraction(true);
}
cartodb.createLayer(map, {
user_name: username,
type: 'cartodb',
cartodb_logo: false,
sublayers: [{
sql: 'select * from ne_110m_admin_0_countries',
cartocss: '#ne_110m_admin_0_countries { polygon-fill: #000; polygon-opacity: 0.1; line-color: #000; line-width:0; } #ne_110m_admin_0_countries [cartodb_id = '+r.cartodb_id+'] { polygon-fill: #F00; polygon-opacity: 0.3; line-color: #F00; }',
interactivity: 'cartodb_id'
}]
})
.addTo(map)
.done(function(layer){
geometryHover(username, map, layer.getSubLayer(0), r.cartodb_id);
})
})
})
}
function tw() {
// create leaflet map
var map = L.map('map', {
zoomControl: false,
center: [43, 0],
zoom: 3
})
// add a base layer
L.tileLayer('http://tile.stamen.com/toner/{z}/{x}/{y}.png', {
attribution: 'Stamen'
}).addTo(map);
// add cartodb layer with one sublayer
cartodb.createLayer(map, {
user_name: 'examples',
type: 'cartodb',
sublayers: [{
sql: 'select * from country_boundaries',
cartocss: '#layer { polygon-fill: #F00; polygon-opacity: 0.3; line-color: #F00; }',
interactivity: 'cartodb_id'
}]
})
.addTo(map)
.done(function(layer) {
cdb.vis.Vis.addInfowindow(map, layer.getSubLayer(0), ['cartodb_id'])
});
}
// you could use $(window).load(main);
window.onload = main;
</script>
</body>
</html>
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