Render Shapes - GeoJSON data

Add a map and load external GeoJSON data.

Example

Render Shapes - GeoJSON data
        // Initialize and add the map
let map: woosmap.map.Map;

async function initMap() {
  await woosmap.map.importLibrary("maps");

  map = (document.getElementById("map") as woosmap.map.MapElement).innerMap;
  map.moveCamera({
      center: { lat: 53.51, lng: 8.15 },
      zoom: 4,
    });

  map.data.loadGeoJson(
    "https://demo.woosmap.com/misc/data/europe.geojson.json",
  );
  const defaultStyle = {
    fillColor: "#FFAB00",
    strokeWeight: 2,
  };

  map.data.setStyle((feature) => {
    let color = defaultStyle.fillColor;
    if (feature.getProperty("highlighted")) {
      color = "#C51162";
    }
    return {
      fillColor: color,
      strokeColor: color,
      strokeOpacity: 1,
      strokeWeight: defaultStyle.strokeWeight,
    };
  });

  let highlightedFeatureId;
  if (map && map.data) {
    map.data.addListener("click", (event) => {
      if (highlightedFeatureId) {
        const highlightedFeature =
          map.data.getFeatureById(highlightedFeatureId);
        if (highlightedFeature) {
          highlightedFeature.setProperty("highlighted", false);
        }
      }
      event.feature.setProperty("highlighted", true);
      highlightedFeatureId = event.feature.getId();
    });
  }
}

initMap();

    
        // Initialize and add the map
let map;

async function initMap() {
  await woosmap.map.importLibrary("maps");
  map = document.getElementById("map").innerMap;
  map.moveCamera({
    center: { lat: 53.51, lng: 8.15 },
    zoom: 4,
  });
  map.data.loadGeoJson(
    "https://demo.woosmap.com/misc/data/europe.geojson.json",
  );

  const defaultStyle = {
    fillColor: "#FFAB00",
    strokeWeight: 2,
  };

  map.data.setStyle((feature) => {
    let color = defaultStyle.fillColor;

    if (feature.getProperty("highlighted")) {
      color = "#C51162";
    }
    return {
      fillColor: color,
      strokeColor: color,
      strokeOpacity: 1,
      strokeWeight: defaultStyle.strokeWeight,
    };
  });

  let highlightedFeatureId;

  if (map && map.data) {
    map.data.addListener("click", (event) => {
      if (highlightedFeatureId) {
        const highlightedFeature =
          map.data.getFeatureById(highlightedFeatureId);

        if (highlightedFeature) {
          highlightedFeature.setProperty("highlighted", false);
        }
      }

      event.feature.setProperty("highlighted", true);
      highlightedFeatureId = event.feature.getId();
    });
  }
}

initMap();

    
        /*
 * Always set the map height explicitly to define the size of the element
 * that contains the map. `display: block` is required for <wmp-map>/<gmp-map>,
 * which default to inline like any other custom element outside a flex/grid
 * container (no-op for a plain <div>).
 */
#map {
  display: block;
  width: 100%;
  height: 100%;
}

/*
 * Optional: Makes the sample page fill the window.
 */
html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica Neue, Arial, Noto Sans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji;
}


    
        <html>
  <head>
    <title>Render Shapes - GeoJSON data</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta charset="utf-8" />

    <link rel="stylesheet" type="text/css" href="./style.css" />
    <script type="module" src="./index.js"></script>
  </head>
  <body>
    <!--The div element for the map -->
    <wmp-map id="map"></wmp-map>

    <script>
      (g=>{var p,w=window,d=document,l="importLibrary",q="__ib__",e="The Woosmap Maps JavaScript API",o=w.woosmap||(w.woosmap={}),m=o.map||(o.map={}),r=new Set(String(g.libraries||"").split(",").filter(Boolean)),s=new URLSearchParams,u=()=>p||(p=new Promise((f,n)=>{var a=d.createElement("script");s.set("libraries",[...r]+"");for(var k in g)k!="libraries"&&g[k]&&s.set(k,g[k]);s.set("callback","woosmap.map."+q);a.src="https://sdk.woosmap.com/map/map.js?"+s;m[q]=f;a.onerror=()=>n(Error(e+" could not load."));a.nonce=d.querySelector("script[nonce]")?.nonce||"";d.head.append(a)}));m[l]?console.warn(e+" only loads once. Ignoring:",g):m[l]=(f,...n)=>r.add(f)&&u().then(()=>m[l](f,...n))})({
        key: "woos-e1e5490b-19d1-34f8-9955-fd5cfc8c880f",
      });
    </script>
  </body>
</html>

Running the Sample Locally

Before you can run this sample on your local machine, you need to have Git and Node.js installed. If they’re not already installed, follow these instructions to get them set up.

Once you have Git and Node.js installed, you can run the sample by following these steps:

  1. Clone the repository and navigate to the directory of the sample.

  2. Install the necessary dependencies.

  3. Start running the sample.

Here are the commands you can use in your terminal to do this:

Shell
        git clone -b sample/render-shapes-geojson https://github.com/woosmap/js-samples.git
cd js-samples
npm i
npm start

You can experiment with other samples by switching to any branch that starts with the pattern sample/SAMPLE_NAME.

Shell
        git checkout sample/SAMPLE_NAME
npm i
npm start
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