cdb

2020-06-15 12:07:54 +08:00
parent 610ed21a90
commit a96ef233c9
444 changed files with 0 additions and 0 deletions
--- a/lib/assets/javascripts/cdb/examples/leaflet_multilayer.html
+++ b/lib/assets/javascripts/cdb/examples/leaflet_multilayer.html
@@ -0,0 +1,91 @@
+<!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, #map {
+        height: 100%;
+        padding: 0;
+        margin: 0;
+      }
+    </style>
+
+    <link rel="stylesheet" href="https://libs.cartocdn.com/cartodb.js/v3/3.15/themes/css/cartodb.css" />
+  </head>
+  <body>
+    <div id="map"></div>
+
+    <!-- include cartodb.js library -->
+    <script src="https://libs.cartocdn.com/cartodb.js/v3/3.15/cartodb.js"></script>
+    <script>
+
+      function main() {
+
+        // 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; }'
+          }]
+        })
+        .addTo(map)
+        .done(function(layer) {
+          var population;
+
+          // wait a little bit and add the most populated places
+          setTimeout(function() {
+            population = layer.createSubLayer({
+              sql: 'select * from ne_10m_populated_p_2',
+              cartocss: '#layer { marker-fill: black; line-color: #333; marker-width: 3 }',
+              interactivity: 'name'
+            });
+            // print on the console the place name on hover
+            population.on('featureOver', function(e, pos, pixel, data) {
+              console.log(data.name);
+            });
+            population.setInteraction(true);
+          }, 3000);
+
+          // show population only in USA
+          setTimeout(function() {
+            population.setSQL("select * from ne_10m_populated_p_2 where adm0name = 'United States of America'")
+          }, 6000);
+
+          // bigger points in USA
+          setTimeout(function() {
+            population.setCartoCSS( '#layer { marker-fill: black; line-color: #333; marker-width: 10; marker-opacity: 0.6; }' );
+          }, 8000);
+
+          // remove the countries layer
+          setTimeout(function() {
+            layer.getSubLayer(0).remove();
+          }, 10000);
+        });
+
+
+      }
+
+      // you could use $(window).load(main);
+      window.onload = main;
+
+    </script>
+
+  </body>
+</html>