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February 16, 2015 16:02
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Easy 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="http://libs.cartocdn.com/cartodb.js/v3/3.11/themes/css/cartodb.css" /> | |
| <link rel="stylesheet" href="http://leaflet.github.io/Leaflet.draw/leaflet.draw.css" /> | |
| </head> | |
| <body> | |
| <div id="map"></div> | |
| <!-- include cartodb.js library --> | |
| <script src="http://libs.cartocdn.com/cartodb.js/v3/3.11/cartodb.js"></script> | |
| <script src="http://leaflet.github.io/Leaflet.draw/leaflet.draw.js"></script> | |
| <script> | |
| var map = new L.Map('map', { | |
| zoomControl: false, | |
| center: [43, 0], | |
| zoom: 3 | |
| }); | |
| var layer = L.tileLayer('http://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png',{ | |
| attribution: '© <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, © <a href="http://cartodb.com/attributions">CartoDB</a>' | |
| }); | |
| map.addLayer(layer); | |
| var drawControl = new L.Control.Draw({ | |
| position: 'topright', | |
| draw: { | |
| polyline: true, | |
| polygon: false, | |
| rectangle: false, | |
| circle: false, | |
| marker: false | |
| } | |
| }); | |
| map.addControl(drawControl); | |
| cartodb.createLayer(map, 'http://team.cartodb.com/api/v2/viz/aeec9b68-b5ec-11e4-90af-0e9d821ea90d/viz.json') | |
| .addTo(map) | |
| .on('done', function(layer) { | |
| // Keep track of all draw objects | |
| var drawnItems = new L.FeatureGroup(); | |
| map.addLayer(drawnItems); | |
| map.on('draw:created', function (e) { | |
| var type = e.layerType, | |
| draw_layer = e.layer; | |
| // Show the polygon on the map | |
| drawnItems.addLayer(draw_layer); | |
| // Get the coordinates of the polygon we just drew | |
| var poly = draw_layer.getLatLngs(); | |
| var sql_poly = []; | |
| for (i in poly){ | |
| sql_poly.push("CDB_LatLng("+poly[i].lat+","+poly[i].lng+")") | |
| } | |
| var line = "ST_MakeLine(Array["+sql_poly.join()+"])"; | |
| var username = prompt("Please enter your name"); | |
| if (username != null) { | |
| var sql = "INSERT INTO leaflet_data (username, the_geom) VALUES ('"+username+"', ST_SetSRID(ST_AsText("+line+"),4326))&api_key=YOUR_API_KEY"; | |
| $.ajax({ | |
| url: 'https://matallo.cartodb.com/api/v2/sql?q='+sql, | |
| success: function(responseData, textStatus, jqXHR) { | |
| console.log("Data saved"); | |
| }, | |
| error: function (responseData, textStatus, errorThrown) { | |
| console.log("Problem saving the data"); | |
| } | |
| }); | |
| } | |
| }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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