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HTML

              
                <html>
  <head>
    <script src='https://api.tiles.mapbox.com/mapbox-gl-js/v1.0.0/mapbox-gl.js'></script>
    <link href='https://api.tiles.mapbox.com/mapbox-gl-js/v1.0.0/mapbox-gl.css' rel='stylesheet' />
  </head>
  <body>
    <header>
      <h1>Koordinates tile services with Mapbox GL demo</h1>
    </header>
    
    <!-- Map container -->
    <div id='map'></div>

    <!-- HTML5 template for popup content -->
    <template id="popup-template">
      <div class="popup">
        <h2>Nearest Quake</h2>
        <dl>
          <dt>Time</dt>
          <dd class="origintime"></dd>
          <dt>Magnitude</dt>
          <dd class="magnitude"></dd>
          <dt>Depth</dt>
          <dd><span class="depth"></span> km</dd>
        </dl>
      </div>
    </template>
  </body>
</html>
              
            
!

CSS

              
                html,
body {
  height: 100%;
  margin: 0;
  padding: 0 10px;
  font-family: sans-serif;
}
body {
  display: flex;
  flex-direction: column;
}
header {
  min-height: 60px;
}

/* make the map expand to fill available space */
#map {
  flex-grow: 1;
  overflow: auto;
}
/* set the cursor for map navigation */
#map canvas {
  cursor: crosshair;
}

/* popup styling */
.popup dt {
  font-weight: bold;
  text-transform: uppercase;
}
.popup dd {
  margin-left: 10px;
}
              
            
!

JS

              
                mapboxgl.accessToken =
  "pk.eyJ1Ijoia29vcmRpbmF0ZXMiLCJhIjoiMDgzRHJlYyJ9.s6MmnjRMGuaRgRg_efw6Zg";

var map = new mapboxgl.Map({
  container: "map", // container id
  style: "mapbox://styles/mapbox/outdoors-v11",
  center: [175, -41],
  zoom: 6
});
console.log(map);

// Insert the Koordinates layer *below* the basemap labels + roads
map.on("load", function() {
  // Find the ID of the first symbol layer in the map style
  // We use this to insert our layer beneath roads/pois/labels/etc
  var firstSymbolId = map.getStyle().layers.find(l => (l.type === "symbol")).id;

  map.addLayer(
    {
      id: "koordinates-earthquakes",
      type: "raster",
      source: {
        type: "raster",
        tiles: [
          // This is the XYZ template URL from the Koordinates layer
          // services page: https://labs.koordinates.com/layer/7328-new-zealand-earthquakes/webservices/
          "https://koordinates-tiles-a.global.ssl.fastly.net/services;key=1c6ead7c5174463eab66bcea1005233d/tiles/v4/layer=7328/EPSG:3857/{z}/{x}/{y}.png"
        ],
        tileSize: 256,
        maxzoom: 22,
        attribution:
          "<a href='https://labs.koordinates.com/layer/7328-new-zealand-earthquakes/'>New Zealand Earthquakes</a>"
      }
    },
    firstSymbolId // Insert the layer beneath the first symbol layer.
  );

  // When a click event occurs on a feature in the states layer, open a popup at the
  // location of the click, with description HTML from its properties.
  var quakeMarker;
  map.on("click", function(e) {
    // construct the query url
    let queryUrl = new URL('https://labs.koordinates.com/services/query/v1/vector.json');
    // documentation of parameters at https://help.koordinates.com/api/query-api/vector-query/
    let queryParams = {
      key: '1c6ead7c5174463eab66bcea1005233d',  // Koordinates API Key
      layer: 7328,                              // Koordinates Layer ID
      x: e.lngLat.lng,                          // map click location
      y: e.lngLat.lat,
      max_results: 1,                           // find the closest result
      radius: 1000,                             // max. search distance 1km
      geometry: true                            // Include geometry in the response
    };
    queryUrl.search = new URLSearchParams(queryParams);
    
    // make the API request
    fetch(queryUrl)
      .then(function(response) {
        if (!response.ok) {
          throw new Error("HTTP error, status = " + response.status);
        }
        return response.json();
      })
      .then(function(response) {
        // extract the first feature from the response
        const feature = response.vectorQuery.layers['7328'].features[0];
        console.log("Feature:", feature);

        if (feature === undefined) {
          // no features within 1km
          if (quakeMarker) {
            // remove marker from map
            quakeMarker.remove();
            quakeMarker = null;
          }
          return;
        }

        // position map marker
        if (!quakeMarker) {
          // add marker
          quakeMarker = new mapboxgl.Marker()
            .setLngLat(feature.geometry.coordinates)
            .addTo(map);
        } else {
          // move existing marker
          quakeMarker.setLngLat(feature.geometry.coordinates);
        }

        // create popup content
        let popupTemplate = document.getElementById('popup-template');
        let popupContent = document.importNode(popupTemplate.content, true);
        popupContent.querySelector('.origintime').textContent = feature.properties.origintime;
        popupContent.querySelector('.magnitude').textContent = feature.properties.magnitude;
        popupContent.querySelector('.depth').textContent = feature.properties.depth;

        // open map popup
        let popup = new mapboxgl.Popup({anchor: 'left', offset: 10})
          .setDOMContent(popupContent)
          .setLngLat(feature.geometry.coordinates)
          .addTo(map);
      });
  });
});


              
            
!
999px

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