CARTO for deck.gl

CARTO for deck.gl

Arc Layer

This example shows how to use the ArcLayer to render raised arcs joining pairs of source and target points.

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<html>
  <head>
    <script src="https://unpkg.com/deck.gl@^8.5.0/dist.min.js"></script>
    <script src="https://unpkg.com/@deck.gl/carto@^8.5.0/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; background-color: #212121;">
    <div id="map" style="width: 100vw; height: 100vh"></div>
  </body>

  <script type="text/javascript">
    async function initialize() {
      deck.carto.setDefaultCredentials({
        username: 'public',
        apiKey: 'default_public',
      });

      // Fetch Data from CARTO
      // Notice that you can use any Deck.gl layer with CARTO datasets getting GeoJSON data from CARTO's API.
      const url = 'https://public.carto.com/api/v2/sql?q=SELECT the_geom, scalerank FROM airports_to_london WHERE scalerank > 7&format=geojson';
      const geojsonData = await fetch(url).then(response => response.json());

      // Create Deck.GL map
      const deckgl = new deck.DeckGL({
        container: 'map',
        mapStyle: deck.carto.BASEMAP.DARK_MATTER,
        initialViewState: {
          latitude: 30,
          longitude: 10,
          zoom: 1,
          pitch: 30
        },
        controller: true,
        layers: [
          new deck.ArcLayer({
            id: 'arc-layer',
            data: geojsonData.features,
            getSourcePosition: f => [-0.4531566, 51.4709959], // London
            getTargetPosition: f => f.geometry.coordinates,
            getSourceColor: [0, 128, 200],
            getTargetColor: [200, 0, 80],
            getWidth: 1
          })
        ]
      });
    }

    initialize();    
  </script>
</html>