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small multiples using many maps
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<!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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