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Feature click on multilayer
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Multilayer | CARTO</title> | |
| <meta name="viewport" content="initial-scale=1.0"> | |
| <meta charset="utf-8"> | |
| <!-- Include Leaflet --> | |
| <script src="https://unpkg.com/leaflet@1.3.1/dist/leaflet.js"></script> | |
| <link href="https://unpkg.com/leaflet@1.3.1/dist/leaflet.css" rel="stylesheet"> | |
| <!-- Include CARTO.js --> | |
| <script src="https://cartodb-libs.global.ssl.fastly.net/carto.js/v4.0.0-beta.25/carto.min.js"></script> | |
| <style> | |
| body { margin: 0; padding: 0; } | |
| #map { position: absolute; height: 100%; width: 100%; } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="map"></div> | |
| <script> | |
| const map = L.map('map').setView([40, 0], 5); | |
| L.tileLayer('https://{s}.basemaps.cartocdn.com/rastertiles/voyager_nolabels/{z}/{x}/{y}.png', { | |
| maxZoom: 18 | |
| }).addTo(map); | |
| const client = new carto.Client({ | |
| apiKey: 'YOUR_API_KEY', | |
| username: 'cartojs-test' | |
| }); | |
| const spainCitiesSource = new carto.source.SQL(` | |
| SELECT * | |
| FROM ne_10m_populated_places_simple | |
| WHERE adm0name = \'Spain\' | |
| `); | |
| const spainCitiesStyle = new carto.style.CartoCSS(` | |
| #layer { | |
| marker-width: 16; | |
| marker-fill: #EE4D5A; | |
| marker-line-color: #FFFFFF; | |
| } | |
| `); | |
| const spainCitiesLayer = new carto.layer.Layer(spainCitiesSource, spainCitiesStyle, { | |
| featureClickColumns: ['name'] | |
| }); | |
| const europeCountriesSource = new carto.source.Dataset(` | |
| ne_adm0_europe | |
| `); | |
| const europeCountriesStyle = new carto.style.CartoCSS(` | |
| #layer { | |
| polygon-fill: #826DBA; | |
| polygon-opacity: 0.8; | |
| ::outline { | |
| line-width: 1; | |
| line-color: #FFFFFF; | |
| line-opacity: 0.8; | |
| } | |
| } | |
| `); | |
| const europeCountriesLayer = new carto.layer.Layer(europeCountriesSource, europeCountriesStyle, { | |
| featureClickColumns: ['admin'] | |
| }); | |
| client.addLayers([europeCountriesLayer, spainCitiesLayer]); | |
| client.getLeafletLayer().addTo(map); | |
| // Interactivity | |
| europeCountriesLayer.on('featureClicked', function (event) { | |
| console.log('Country:', event.data.admin); | |
| }); | |
| spainCitiesLayer.on('featureClicked', function (event) { | |
| console.log('City:', event.data.name); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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