cartodb-4.42/lib/assets/javascripts/cdb/examples/core.html

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2024-04-06 13:25:13 +08:00
<!DOCTYPE html>
<html>
<head>
<title>Core | 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;
}
#content {
padding: 20px;
text-align: center;
}
.map {
float:left;
margin: 10px;
width: 250px;
height: 250px;
border: 1px solid #ccc;
background-color: #f8f8f8;
}
</style>
<script src="https://www.google.com/jsapi"></script>
<script>google.load("jquery", "1.7.1");</script>
<script src="https://libs.cartocdn.com/cartodb.js/v3/3.15/cartodb.core.js"></script>
<script>
/* 1: We can create an image using a custom build layer definition: */
var layer_definition = {
user_name: "documentation",
tiler_domain: "cartodb.com",
tiler_port: "80",
tiler_protocol: "http",
layers: [{
type: "http",
options: {
urlTemplate: "https://{s}.basemaps.cartocdn.com/dark_nolabels/{z}/{x}/{y}.png",
subdomains: [ "a", "b", "c" ]
}
}, {
type: "cartodb",
options: {
sql: "SELECT * FROM nyc_wifi",
cartocss: "/** simple visualization */ #nyc_wifi{ marker-fill-opacity: 0.8; marker-line-color: #FFFFFF; marker-line-width: 1; marker-line-opacity: .8; marker-placement: point; marker-type: ellipse; marker-width: 6; marker-fill: #6ac41c; marker-allow-overlap: true; }",
cartocss_version: "2.1.1"
}
}]
};
// and now we just ask for the URL and append it to the page
cartodb.Image(layer_definition).size(250, 250).zoom(9).center([40.708517, -73.993414]).getUrl(function(error, url) {
var img = new Image();
img.onerror = function() {
console.log(error);
};
img.onload = function() {
var $map = $('<div class="map"></div>');
var $img = $('<img src="' + url + '" />');
$map.append($img);
$("#content").append($map);
};
img.src = url;
});
/* 2: Another option: with a vizjson defined in the CartoDB editor */
var vizjsons = [
{ zoom: 2, url: "https://documentation.cartodb.com/api/v2/viz/2b13c956-e7c1-11e2-806b-5404a6a683d5/viz.json" },
{ zoom: 17, url: "https://documentation.cartodb.com/api/v2/viz/c3dd77a6-d5e4-11e3-a5b4-0e73339ffa50/viz.json" },
{ zoom: 12, url: "https://documentation.cartodb.com/api/v2/viz/df45a412-d5dc-11e3-855b-0e10bcd91c2b/viz.json" },
{ zoom: 2, url: "https://documentation.cartodb.com/api/v2/viz/e7132460-d5e8-11e3-8459-0e10bcd91c2b/viz.json" },
{ basemap:"dark_nolabels", zoom: 8, url: "https://documentation.cartodb.com/api/v2/viz/d5c2419c-d08d-11e3-80a5-0e230854a1cb/viz.json" },
{ basemap:"dark_nolabels", zoom: 5, url: "https://team.cartodb.com/api/v2/viz/a5a2b18a-5ea0-11e4-a944-0e4fddd5de28/viz.json" }
];
// Let's load all those URLs and add them to the page
for (var i = 0; i < vizjsons.length; i++) {
var v = vizjsons[i];
cartodb.Image(v.url, { basemap: v.basemap }).size(250, 250).zoom(v.zoom).getUrl(function(error, url) {
var img = new Image();
img.onerror = function() {
console.log(error);
};
img.onload = function() {
var $map = $('<div class="map"></div>');
var $img = $('<img src="' + url + '" />');
$map.append($img);
$("#content").append($map);
};
img.src = url;
});
}
/* 3. Wait, say you have some images defined like this:
<img data-vizjson-url="[VIZJSON_URL]" class="thumb" />
then you can create the images with the following code: */
$(function() {
$('.thumb').each(function() {
cartodb.Image($(this).data('vizjson-url')).size(250, 250).into(this);
});
});
</script>
</head>
<body>
<div id="content">
<div class="map">
<script>
<!-- 4. You can also inject the image directly in the page like this: -->
cartodb.Image(vizjsons[1].url).size(250, 250).write();
</script>
</div>
<div class="map">
<script>
<!-- and you can specify a bunch of options too: -->
cartodb.Image(vizjsons[0].url).size(250, 250).write({ class: "hi", id: "nice", src: "http://awesomegifs.com/wp-content/uploads/don-draper-slow-clap.gif" });
</script>
</div>
<div class="map">
<img data-vizjson-url="http://arce.cartodb.com/api/v2/viz/378a0910-a229-11e4-9569-0e018d66dc29/viz.json" class="thumb" />
</div>
<div class="map">
<img data-vizjson-url="http://documentation.cartodb.com/api/v2/viz/c3dd77a6-d5e4-11e3-a5b4-0e73339ffa50/viz.json" width="250" height="250" class="thumb" />
</div>
</div>
</body>
</html>