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Feature click + 2 layers | CARTO.js v4
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Feature click + 2 layers | CARTO.js v4</title> | |
| <meta name="viewport" content="initial-scale=1.0"> | |
| <meta charset="utf-8"> | |
| <link href="https://fonts.googleapis.com/css?family=Montserrat:400,600,700|Open+Sans:300,400,600" rel="stylesheet"> | |
| <!-- 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"> | |
| <!-- Include CARTO.js --> | |
| <script src="https://cartodb-libs.global.ssl.fastly.net/carto.js/v4.0.0-beta.20/carto.min.js"></script> | |
| <style> | |
| * { | |
| box-sizing: border-box; | |
| } | |
| body, *{ margin: 0; padding: 0; } | |
| #map { | |
| position: absolute; | |
| height: 100%; | |
| width: 100%; | |
| z-index: 0; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="map"></div> | |
| <script> | |
| const map = L.map('map').setView([30, 0], 3); | |
| L.tileLayer('https://{s}.basemaps.cartocdn.com/rastertiles/voyager_nolabels/{z}/{x}/{y}.png', { | |
| maxZoom: 18 | |
| }).addTo(map); | |
| const client = new carto.Client({ | |
| apiKey: 'default_public', | |
| username: 'ramirocartodb' | |
| }); | |
| const citySource = new carto.source.Dataset(` | |
| ne_10m_populated_places_simple | |
| `); | |
| const cityStyle = new carto.style.CartoCSS(` | |
| #layer { | |
| marker-width: 7; | |
| marker-fill: #EE4D5A; | |
| marker-line-color: #FFFFFF; | |
| } | |
| `); | |
| const cityLayer = new carto.layer.Layer(citySource, cityStyle, { | |
| featureClickColumns: ['name', 'pop_max'] | |
| }); | |
| const worldSource = new carto.source.Dataset(` | |
| world_borders | |
| `); | |
| const worldStyle = new carto.style.CartoCSS(` | |
| #layer { | |
| polygon-fill: #826DBA; | |
| polygon-opacity: 0.8; | |
| ::outline { | |
| line-width: 1; | |
| line-color: #FFFFFF; | |
| line-opacity: 0.8; | |
| } | |
| } | |
| `); | |
| const worldLayer = new carto.layer.Layer(worldSource, worldStyle, { | |
| featureClickColumns: ['name', 'pop2005'] | |
| }); | |
| client.addLayers([worldLayer, cityLayer]); | |
| client.getLeafletLayer().addTo(map); | |
| const cityPopup = L.popup({ closeButton: false }); | |
| cityLayer.on('featureClicked', featureEvent => { | |
| cityPopup.setLatLng(featureEvent.latLng); | |
| let city = featureEvent.data.name; | |
| let pop_max = featureEvent.data.pop_max; | |
| cityPopup.setContent(` | |
| <h2>${city}</h2> | |
| <h3>${pop_max} inhab.</h3> | |
| `); | |
| cityPopup.openOn(map); | |
| }); | |
| const worldPopup = L.popup({ closeButton: false }); | |
| worldLayer.on('featureClicked', featureEvent => { | |
| worldPopup.setLatLng(featureEvent.latLng); | |
| let country = featureEvent.data.name; | |
| let pop2005 = featureEvent.data.pop2005; | |
| worldPopup.setContent(` | |
| <h2>${country}</h2> | |
| <h3>${pop2005} inhab.</h3> | |
| `); | |
| worldPopup.openOn(map); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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