CARTO for deck.gl

CARTO for deck.gl

Color Bins Style

This example shows how to apply different fill colors to polygon features depending on attribute values.

Temperature

Lower Higher

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<html>
  <head>
    <!-- FONT -->
    <link
      href="https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600&display=swap"
      rel="stylesheet"
    />

    <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; font-family: 'Open Sans', Helvetica, sans-serif;">
    <div id="map" style="width: 100vw; height: 100vh;"></div>
  </body>

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

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

      initialViewState: {
        latitude: 38,
        longitude: -98,
        zoom: 3,
      },
      controller: true,

      layers: [
        new deck.carto.CartoSQLLayer({
          id: 'higher_edu_by_county',
          data: 'SELECT the_geom_webmercator, pct_higher_ed FROM higher_edu_by_county',
          getFillColor: deck.carto.colorBins({
            attr: 'pct_higher_ed',
            domain: [0, 20, 30, 40, 50, 60, 70],
            colors: 'PinkYl'
          }),
          getLineColor: [0, 0, 0, 100],
          lineWidthMinPixels: 0.5,
          pickable: true,
        }),
      ],

      getTooltip: ({ object }) => {
        if (!object) return false;
        return {
          html: `${object.properties.pct_higher_ed.toFixed(2)}%`,
        };
      },
    });

  </script>
</html>