Created
March 30, 2017 14:27
-
-
Save ebrelsford/796c27be2c610570d6b36d817ae80eda to your computer and use it in GitHub Desktop.
Dropdown with Carto.js
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src="https://code.jquery.com/jquery-2.2.4.min.js" integrity="sha256-BbhdlvQf/xTY9gja0Dq3HiwQF8LaCRTXxZKRutelT44=" crossorigin="anonymous"></script> | |
| <!-- | |
| Load Carto's code so we can pull in our Carto maps. | |
| --> | |
| <link rel="stylesheet" href="https://cartodb-libs.global.ssl.fastly.net/cartodb.js/v3/3.15/themes/css/cartodb.css" /> | |
| <style> | |
| html, body { | |
| height: 100%; | |
| margin: 0; | |
| padding: 0; | |
| width: 100%; | |
| } | |
| #map { | |
| height: 100%; | |
| width: 100%; | |
| } | |
| .type-picker { | |
| position: absolute; | |
| top: 15px; | |
| left: 15px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="map"></div> | |
| <select class="type-picker"> | |
| <option value="all">All types</option> | |
| <option value="bathroom">bathroom</option> | |
| <option value="biocentre">biocentre</option> | |
| <option value="dumping_site">dumping site</option> | |
| <option value="pee_point">pee point</option> | |
| <option value="toilet_public">public toilet</option> | |
| <option value="water_public">public water</option> | |
| <option value="recycling">recycling</option> | |
| <option value="urban_agriculture">urban agriculture</option> | |
| <option value="other">other</option> | |
| </select> | |
| <script> | |
| var watsanLayer; | |
| $(document).ready(function () { | |
| // | |
| // Initialize map from CartoDB: create the map and store the data layer for later | |
| // | |
| cartodb.createVis('map', 'https://thenewschool.carto.com/u/brelsfoeagain/api/v2/viz/79edb122-0374-11e7-b189-0e233c30368f/viz.json') | |
| .done(function (vis, layers) { | |
| watsanLayer = layers[1].getSubLayer(0); | |
| }); | |
| $('.type-picker').change(function () { | |
| var type = $('.type-picker').val(); | |
| var sql; | |
| if (type === 'all') { | |
| // if type is 'all', reset SQL to the original | |
| sql = "SELECT * FROM watsan"; | |
| } | |
| else { | |
| // else, select only features with the watsan field set to the chosen type | |
| sql = "SELECT * FROM watsan WHERE watsan = '" + type + "'"; | |
| } | |
| watsanLayer.setSQL(sql); | |
| }); | |
| }); | |
| </script> | |
| <script src="https://cartodb-libs.global.ssl.fastly.net/cartodb.js/v3/3.15/cartodb.js"></script> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment