Isochrone API

Generate travel-time reachability maps

The Maptoolkit Isochrone API is an innovative and stunning way to show what is reachable from a specific location. In more detail an isochrone is a polygon that represents the area that can be reached from a specific location within a given time. The Maptoolkit Isochrone API works with various modes of transportation like walking, biking, or driving.

Example …

Isochrone with MapLibreGL map

<html>
<head>
  <meta charset="UTF-8" />
  <link rel="stylesheet" href="https://static.maptoolkit.net/css/maplibre-gl.css" />
  <style>
    body { width: 100%; height: 100%; padding: 0; margin: 0; font-family: Arial, sans-serif; }
    #map { width: 100%; height: 100%; }
  </style>
</head>
<body>
  <div id="map"></div>
  <script src="https://unpkg.com/[email protected]/dist/maplibre-gl.js"></script>
  <script>
    // Initialize MapLibreGL map
    let map = new maplibregl.Map({
      container: "map",
      style: "https://static.maptoolkit.net/styles/toursprung/terrain.json?api_key=your_api_key",
      center: [16.372182, 48.208266],
      zoom: 14,
    });
    map.on("load", () => {
      // Get Isochrone from Routing API
      let point = [16.372493, 48.20883];
      let url = new URL("https://routing.maptoolkit.net/isochrone");
      url.searchParams.append("time", 10); // minutes
      url.searchParams.append("point", `${point[1]},${point[0]}`);
      url.searchParams.append("routeType", "foot");
      url.searchParams.append("api_key", "your_api_key");
      fetch(url)
        .then((r) => r.json())
        .then((polygon) => {
          // Add data to map sources
          map.addSource("isochrone", {
              type: "geojson",
              data: {
                type: "Feature",
                geometry: {
                  type: "Polygon",
                  coordinates: [polygon.map((latLng) => latLng.reverse())],
                },
              },
            });
          // Add isochrone polygon to map (fill and outline)
          map.addLayer({
              id: "isochrone-fill",
              type: "fill",
              source: "isochrone",
              paint: {
                "fill-color": "#2a3561",
                "fill-opacity": 0.2,
              },
            });
          map.addLayer({
              id: "isochrone-line",
              type: "line",
              source: "isochrone",
              layout: {
                "line-join": "round",
                "line-cap": "round",
              },
              paint: {
                "line-color": "#2a3561",
                "line-width": 2,
              },
            });
          // Add isochrone marker to map
          let $img = document.createElement("img");
          $img.src = "https://static.maptoolkit.net/sprites/toursprung/marker.svg";
          $img.width = 29;
          $img.height = 30;
          let marker = new maplibregl.Marker({
            element: $img,
            anchor: "bottom",
          })
            .setLngLat(point)
            .addTo(map)
            .setPopup(new maplibregl.Popup({ offset: 30 }).setHTML("<p>Within a 10 minute walking distance</p>"))
            .togglePopup();
        });
    });
  </script>
</body>
</html>

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FAQ

For driving, the travel speed is calculated based on the speed limit along the roads travelled. For walking, the base travel speed used for calculation is 5km/h and is reduced based on the incline. Fore biking, the base speed is 15 km/h and is changed based on the incline and surface conditions.

It can be used in combination with location maps to answer the question what restaurants or other places of interest are reachable from, e.g., a hotel. It can also be used to display what infrastructure and amenities are reachable from the property on real estate maps.

We’re here to help

My name is Peter Höflehner and I will be your
project- and key account manager.

Mobile +43 664 1308111 [email protected]