iriberri · October 16, 2015 15:28 · Oct 16, 2015
diff --git a/index.html b/index.html
@@ -0,0 +1,92 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Annotation element (no ball) | 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: 90%;
+        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>
+
+    <button type="button" id="button-basemap1" onclick="setButton1();"> Button 1 (Spain)</button>
+
+    <button type="button" id="button-basemap2" onclick="setButton2();"> Button 2 (Area > 5000)</button>
+
+
+
+    <!-- include cartodb.js library -->
+    <script src="http://libs.cartocdn.com/cartodb.js/v3/3.15/cartodb.js"></script>
+
+    <script>
+
+
+        var dataLayer;
+
+     function setButton1(){
+        //filtering by country name
+          dataLayer.setSQL("select * from european_countries_e where name = 'Spain'");
+
+          //changing the css too
+          dataLayer.setCartoCSS("#european_countries_e{ polygon-fill: #CCC; polygon-opacity: 0.8; line-color: #FFF; line-width: 1; line-opacity: 0.5; } ");
+
+        }
+
+        function setButton2(){
+          //filtering by area
+          dataLayer.setSQL("select * from european_countries_e where area > 5000");
+
+//changing the css, not mandatory!
+ dataLayer.setCartoCSS("#european_countries_e{ polygon-fill: #FFFFB2; polygon-opacity: 0.8; line-color: #FFF; line-width: 1; line-opacity: 0.5; } #european_countries_e [ area <= 1638094] { polygon-fill: #B10026; } #european_countries_e [ area <= 55010] { polygon-fill: #E31A1C; } #european_countries_e [ area <= 34895] { polygon-fill: #FC4E2A; } #european_countries_e [ area <= 12890] { polygon-fill: #FD8D3C; } #european_countries_e [ area <= 10025] { polygon-fill: #FEB24C; } #european_countries_e [ area <= 9150] { polygon-fill: #FED976; } #european_countries_e [ area <= 5592] { polygon-fill: #FFFFB2; } ");
+        }
+      function main() {
+
+    var map = new L.Map('map', {
+      zoomControl: false,
+      center: [43, 0],
+      zoom: 3
+
+          });
+
+//Adding the basemap here
+    var basemap = L.tileLayer('http://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png', {
+  attribution: '&copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, &copy; <a href="http://cartodb.com/attributions">CartoDB</a>'
+}).addTo(map);
+
+
+cartodb.createLayer(map, {
+  //change your username below
+  user_name: 'documentation',
+  type: 'cartodb',
+  sublayers: [{
+    //change your sql below
+    sql: "SELECT e.cartodb_id, e.area, w.subregion, w.un, e.the_geom, e.the_geom_webmercator FROM european_countries_e e LEFT JOIN world_borders w ON e.iso_2_code = w.iso2",
+    //change your cartocss below. you can copy it from the CartoDB Editor and remove the line breaks.
+    cartocss: "#european_countries_e{ polygon-fill: #FFFFB2; polygon-opacity: 0.8; line-color: #FFF; line-width: 1; line-opacity: 0.5; } #european_countries_e [ area <= 1638094] { polygon-fill: #B10026; } #european_countries_e [ area <= 55010] { polygon-fill: #E31A1C; } #european_countries_e [ area <= 34895] { polygon-fill: #FC4E2A; } #european_countries_e [ area <= 12890] { polygon-fill: #FD8D3C; } #european_countries_e [ area <= 10025] { polygon-fill: #FEB24C; } #european_countries_e [ area <= 9150] { polygon-fill: #FED976; } #european_countries_e [ area <= 5592] { polygon-fill: #FFFFB2; }"
+  }]
+})
+.addTo(map)
+.done(function(layer) {
+
+  //here I store the layer in the variable, so that we can query it outside this function
+  dataLayer = layer.getSubLayer(0);
+    })
+        .error(function(err) {
+          console.log(err);
+        });
+
+
+      }
+      window.onload = main;
+    </script>
+  </body>
+</html>