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CreateLayer and set CartoCSS + SQL
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>CreateLayer and set CartoCSS + SQL</title> | |
| <link rel="shortcut icon" href="http://cartodb.com/assets/favicon.ico" /> | |
| <meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> | |
| <meta http-equiv="content-type" content="text/html; charset=UTF-8"/> | |
| <style> | |
| html, body, #map { | |
| height: 100%; | |
| padding: 0; | |
| margin: 0; | |
| } | |
| </style> | |
| <!-- include cartodb css --> | |
| <link rel="stylesheet" href="http://libs.cartocdn.com/cartodb.js/v3/3.15/themes/css/cartodb.css" /> | |
| <!-- include cartodb.js library --> | |
| <script src="http://libs.cartocdn.com/cartodb.js/v3/3.15/cartodb.js"></script> | |
| </head> | |
| <body> | |
| <!-- define a map object--> | |
| <div id="map"></div> | |
| <style type="cartocss/text" id="citiesStyle"> | |
| /** simple visualization */ | |
| #populated_places{ | |
| marker-fill-opacity: 0.9; | |
| marker-line-color: #FFF; | |
| marker-line-width: 1; | |
| marker-line-opacity: 1; | |
| marker-placement: point; | |
| marker-type: ellipse; | |
| marker-width: 5; | |
| marker-fill: #000000; | |
| marker-allow-overlap: true; | |
| } | |
| </style> | |
| <style type="cartocss/text" id="countriesStyle"> | |
| /** simple visualization */ | |
| #world_borders{ | |
| polygon-fill: #5CA2D1; | |
| polygon-opacity: 0; | |
| line-color: #5CA2D1; | |
| line-width: 2; | |
| line-opacity: 1; | |
| } | |
| </style> | |
| <script> | |
| function main() { | |
| // create leaflet map and define some properties | |
| var map = L.map('map', { | |
| zoomControl: false, | |
| center: [43, 0], | |
| zoom: 4 | |
| }) | |
| var citiesStyle = $("#citiesStyle").text(); | |
| var countriesStyle = $("#countriesStyle").text(); | |
| // add a base layer to map | |
| L.tileLayer('http://{s}.basemaps.cartocdn.com/dark_nolabels/{z}/{x}/{y}.png', { | |
| attribution: 'CartoDB' | |
| }).addTo(map); | |
| // add cartodb layer with one layer | |
| cartodb.createLayer(map, { | |
| user_name: 'ramirocartodb', // Required | |
| type: 'cartodb', // Required | |
| sublayers: [ | |
| { // first sublayer is the one that is painted at the bottom | |
| sql: "SELECT * FROM world_borders", // Required | |
| cartocss: countriesStyle | |
| }, | |
| { // second sublayer is painted above the previous sublayer | |
| sql: "SELECT * FROM populated_places", // Required | |
| cartocss: citiesStyle | |
| } | |
| ] | |
| }).addTo(map) | |
| .done(function(layer){ | |
| var layer0 = layer.getSubLayer(0); // declare a layer0 variable | |
| console.log(layer0); // show in the console layer0 | |
| var layer1 = layer.getSubLayer(1); // declare a layer1 variable | |
| console.log(layer1); // show in the console layer1 | |
| }); | |
| } | |
| // load main() function | |
| window.onload = main; | |
| </script> | |
| </body> | |
| </html> |
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