Initial commit

2020-06-15 10:58:47 +08:00
commit 4f1dfe7564
8590 changed files with 1516878 additions and 0 deletions
--- a/lib/assets/javascripts/cdb.js/examples/tutorials/tutorial-google-heatmap.html
+++ b/lib/assets/javascripts/cdb.js/examples/tutorials/tutorial-google-heatmap.html
@@ -0,0 +1,74 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>GMaps Heatmap of bike trips | 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 google maps library -->
+    <script type="text/javascript" src="https://maps.googleapis.com/maps/api/js?key=INSERTYOURAPIKEYHERE&v=3.32"></script>
+
+    <!-- include google visualization library -->
+    <script type="text/javascript"
+  src="https://maps.googleapis.com/maps/api/js?libraries=visualization&sensor=true_or_false">
+</script>
+
+    <!-- include cartodb.js library -->
+    <script src="https://libs.cartocdn.com/cartodb.js/v3/3.15/cartodb.js"></script>
+
+    <script>
+      var map, pointarray, heatmap;
+
+      function main() {
+        // Map center
+        var myLatlng = new google.maps.LatLng(40.722, -73.997);
+
+        var myOptions = {
+          zoom: 14,
+          center: myLatlng,
+          disableDefaultUI: true,
+          mapTypeId: google.maps.MapTypeId.SATELLITE
+        }
+
+        // Render basemap
+        map = new google.maps.Map(document.getElementById("map"), myOptions);
+
+        var sql = cartodb.SQL({ user: 'documentation', format: 'geojson'});
+
+        sql.execute("SELECT cartodb_id, the_geom FROM cleveland_spring_points_281_29").done(function(data) {
+
+          data = data.features.map(function(r) {
+              return new google.maps.LatLng(r.geometry.coordinates[1], r.geometry.coordinates[0])
+            });
+
+          var pointArray = new google.maps.MVCArray(data);
+
+          heatmap = new google.maps.visualization.HeatmapLayer({
+            data: pointArray
+          });
+
+          heatmap.set('radius', heatmap.get('radius') ? null : 20);
+          heatmap.set('opacity', heatmap.get('opacity') ? null : .8);
+
+          heatmap.setMap(map);
+        });
+      }
+      window.onload = main;
+
+    </script>
+  </body>
+</html>