Icon Layer

This example shows how to use icons for visualizing point layers.

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<html>
  <head>
    <script src="https://unpkg.com/deck.gl@^8.4.0/dist.min.js"></script>
    <script src="https://unpkg.com/@deck.gl/carto@^8.4.0/dist.min.js"></script>
    
    <script src="https://libs.cartocdn.com/mapbox-gl/v1.13.0/mapbox-gl.js"></script>
    <link href="https://libs.cartocdn.com/mapbox-gl/v1.13.0/mapbox-gl.css" rel="stylesheet" />
  </head>

  <body style="margin: 0; padding: 0">
    <div id="map" style="width: 100vw; height: 100vh;"></div>
  </body>

  <script type="text/javascript">

    const ICON_MAPPING = {
      marker: {x: 0, y: 0, width: 24, height: 24, mask: true}
      // ... you can set different mappings and use them by key at getIcon function
    };

    deck.carto.setDefaultCredentials({
      username: 'public',
      apiKey: 'default_public'
    });

    const deckgl = new deck.DeckGL({
      container: 'map',
      mapStyle: 'https://basemaps.cartocdn.com/gl/voyager-gl-style/style.json',

      initialViewState: {
        latitude: 0,
        longitude: 0,
        zoom: 1
      },
      controller: true,

      layers: [
        new deck.carto.CartoSQLLayer({
          data: 'SELECT the_geom_webmercator, country_name FROM world_population_2015',

          /* Substitute default GeoJSONLayer with an IconLayer, but you can use different layers here */
          renderSubLayers: props => new deck.IconLayer({...props}),

          /* Set IconLayer related props */
          pickable: true,
          getSize: d => 24,
          getColor: d => [255, 140, 0], // Remember to set mask to true in your icon mapping to enable colouring
          getIcon: d => 'marker',
          iconMapping: ICON_MAPPING,
          
          // You can use different image formats including PNG or SVG
          iconAtlas: 'https://s3.amazonaws.com/com.cartodb.users-assets.production/maki-icons/marker-stroked-24.svg?req=markup',

          // Get coordinates from GeoJSON geometry
          getPosition: d => d.geometry.coordinates
        })
      ]
    });

  </script>
</html>