Created
September 22, 2015 12:18
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Obtaining a fixed embed URL for specific coordinates
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Get coordinates of geometry | 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; | |
| } | |
| body > div.cartodb-header{ | |
| display: none; | |
| position: absolute; | |
| top:0px; | |
| width: 100%; | |
| background-color: rgba(0,0,0,.5); | |
| font-family: 'Helvetica Neue',Helvetica,sans-serif; | |
| line-height: normal; | |
| z-index: 99999; | |
| } | |
| </style> | |
| </style> | |
| <link rel="stylesheet" href="http://libs.cartocdn.com/cartodb.js/v3/3.14/themes/css/cartodb.css" /> | |
| </head> | |
| <body> | |
| <div id="map"></div> | |
| <!-- include cartodb.js library --> | |
| <script src="http://libs.cartocdn.com/cartodb.js/v3/3.14/cartodb.js"></script> | |
| <script> | |
| function main() { | |
| var map = new L.Map('map', { | |
| zoomControl: false, | |
| center: [43, 0], | |
| zoom: 3 | |
| }); | |
| L.tileLayer('http://tile.stamen.com/toner/{z}/{x}/{y}.png', { | |
| attribution: 'Stamen', | |
| }).addTo(map); | |
| embed_url = 'http://documentation.cartodb.com/viz/236085de-ea08-11e2-958c-5404a6a683d5/embed_map' | |
| cartodb.createLayer(map, 'http://documentation.cartodb.com/api/v2/viz/236085de-ea08-11e2-958c-5404a6a683d5/viz.json') | |
| .addTo(map) | |
| .on('done', function(layer) { | |
| // change the query for the first layer | |
| var subLayerOptions = { | |
| sql: "SELECT * FROM example_cartodbjs_1 where pop_other::float > 1000000", | |
| cartocss: "#example_cartodbjs_1{marker-fill: #109DCD; marker-width: 5; marker-line-color: white; marker-line-width: 0;}" | |
| } | |
| var sublayer = layer.getSubLayer(0); | |
| sublayer.set(subLayerOptions); | |
| sublayer.on('featureClick', function(e, latlng, pos, data) { | |
| alert("Hey! You clicked " + latlng +". Your URL is: " + embed_url+"?center_lat="+latlng[0]+"¢er_lon="+latlng[1]+"&zoom=10"); | |
| }); | |
| }).on('error', function() { | |
| //log the error | |
| }); | |
| } | |
| window.onload = main; | |
| </script> | |
| </body> | |
| </html> |
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