Last active
October 16, 2018 15:06
-
-
Save oriolbx/f932726b627ed5656bb268ad6d6d031c to your computer and use it in GitHub Desktop.
CARTO.js v4: Change zoom level based on dropdown menu
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> | |
| <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 { | |
| width: 100%; | |
| height: 100%; | |
| padding: 0; | |
| margin: 0; | |
| } | |
| #selectDrop { | |
| background-color: #d2eaef; | |
| opacity: 0.8; | |
| position: absolute; | |
| top: 10px; | |
| left: 50px; | |
| width: auto; | |
| height: auto; | |
| padding: 10px; | |
| display: block; | |
| z-index: 9000; | |
| } | |
| #selectDrop input { | |
| width: 200px; | |
| } | |
| div#results { | |
| background: #FFF; | |
| } | |
| </style> | |
| <!-- Include Carto.js --> | |
| <script src="https://libs.cartocdn.com/carto.js/v4.1.5/carto.min.js"></script> | |
| <!-- Include Leaflet --> | |
| <script src="https://unpkg.com/leaflet@1.2.0/dist/leaflet.js"></script> | |
| <link href="https://unpkg.com/leaflet@1.2.0/dist/leaflet.css" rel="stylesheet"> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> | |
| </head> | |
| <body> | |
| <div id="map"></div> | |
| <div id="searchbox"> | |
| <select id="selectDrop"> | |
| <option selected value="">Please Select</option> | |
| </select> | |
| <script> | |
| let layer; | |
| let input; | |
| let map; | |
| function main() { | |
| let map = L.map('map', { | |
| zoomControl: false, | |
| center: [41.390205, 2.154007], | |
| zoom: 4 | |
| }); | |
| L.tileLayer('https://{s}.basemaps.cartocdn.com/rastertiles/voyager_nolabels/{z}/{x}/{y}.png', { | |
| attribution: '© <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, © <a href="http://cartodb.com/attributions">CartoDB</a>' | |
| }).addTo(map); | |
| // define client | |
| const client = new carto.Client({ | |
| apiKey: 'default_public', | |
| username: 'oboix' | |
| }); | |
| const source = new carto.source.SQL(` | |
| SELECT * FROM world_table_2 | |
| `); | |
| // define CartoCSS code to style data on map | |
| const style = new carto.style.CartoCSS(` | |
| #world_table_2 { | |
| polygon-fill: #3E7BB6; | |
| polygon-opacity: 0.7; | |
| line-color: #FFF; | |
| line-width: 0.5; | |
| line-opacity: 1;} | |
| `); | |
| // create CARTO layer from source and style variables | |
| const Cartolayer = new carto.layer.Layer(source, style); | |
| // add CARTO layer to the client | |
| client.addLayer(Cartolayer); | |
| // get tile from client and add them to the map object | |
| client.getLeafletLayer().addTo(map); | |
| $(function(){ | |
| $.ajax({ | |
| type: "GET", | |
| url: `https://oboix.carto.com/api/v2/sql?format=geojson&q=SELECT the_geom, name FROM world_table_2`, | |
| dataType: 'json', | |
| success: function (response) { | |
| response['features'].map(function(feature){ | |
| $("<option />") | |
| .attr("value", feature.properties.name) | |
| .html(feature.properties.name) | |
| .appendTo("#selectDrop"); | |
| }); | |
| } | |
| }); | |
| }); | |
| $('#selectDrop').change(function (e) { | |
| input = e.currentTarget.selectedOptions[0].attributes[0].value; | |
| $.ajax({ | |
| type: "GET", | |
| url: `https://oboix.carto.com/api/v2/sql?format=geojson&q=SELECT * FROM world_table_2 where name Ilike '${input}'`, | |
| dataType: 'json', | |
| success: function (response) { | |
| geojsonLayer = L.geoJson(response) | |
| map.fitBounds(geojsonLayer.getBounds()); | |
| }}); | |
| }) | |
| } | |
| window.onload = main; | |
| </script> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment