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@iriberri
Created September 8, 2015 12:58
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Adding data to a layer from the map
<!DOCTYPE html>
<html>
<head>
<title>Change marker 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, #map {
height: 95%;
padding: 0;
margin: 0;
}
</style>
<link rel="stylesheet" href="http://libs.cartocdn.com/cartodb.js/v3/3.15/themes/css/cartodb.css" />
</head>
<body>
<div id="map"></div>
<div>
<p>Hi, this is your data</p>
Latitude: <input id="latitude" type="text" name="lat">
Longitude: <input id="longitude" type="text" name="long">
Name: <input id="name" type="text" name="the_name">
<input type="button" value="Send data" id="send" onclick="send();"/>
<!-- include cartodb.js library -->
<script src="http://libs.cartocdn.com/cartodb.js/v3/3.15/cartodb.js"></script>
<script>
var my_layer;
function main() {
var lat;
var lon;
var name;
// 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: 'Map tiles by Stament. CartoDB attribution.'
}).addTo(map);
cartodb.createLayer(map, {
user_name: 'iriberri',
type: 'cartodb',
sublayers: [{
sql: "SELECT * FROM test_public_data_example",
cartocss: '#test_public_data_example{ marker-fill-opacity: 0.9; marker-line-color: #FFF; marker-line-width: 1; marker-line-opacity: 1; marker-placement: point; marker-type: ellipse; marker-width: 10; marker-fill: #FF6600; marker-allow-overlap: true;}'
}]
})
.addTo(map)
.done(function(layer) {
my_layer = layer;
});
map.on('click', function(e) {
$("#latitude").val(e.latlng.lat);
$("#longitude").val(e.latlng.lng);
});
}
function send(){
lat = document.getElementById("latitude").value;
lon = document.getElementById("longitude").value;
name = document.getElementById("name").value;
var sql = new cartodb.SQL({ user: 'iriberri' });
//You need to retrieve the value you're interested in
sql.execute("INSERT INTO test_public_data_example (latitude, longitude, name, the_geom) VALUES (" + lat +", "+lon+", '"+name+"', ST_SetSRID(ST_MakePoint(" + lon +", "+lat+"), 4326))");
my_layer.redraw();
}
// you could use $(window).load(main);
window.onload = main;
</script>
</body>
</html>
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