2020-05-14 14:07:46 +00:00
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8" />
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<title>Create and style clusters</title>
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<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
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<link rel="stylesheet" href="librerias/bootstrap/css/bootstrap.min.css" />
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<script src="https://api.mapbox.com/mapbox-gl-js/v1.10.0/mapbox-gl.js"></script>
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<link href="https://api.mapbox.com/mapbox-gl-js/v1.10.0/mapbox-gl.css" rel="stylesheet" />
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<script src="https://code.jquery.com/jquery-3.3.1.js" ></script>
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<script src='https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-geocoder/v1.3.0/mapbox-gl-geocoder.js'></script>
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<link rel='stylesheet' href='https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-geocoder/v1.3.0/mapbox-gl-geocoder.css' type='text/css' />
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<link href='https://www.mapbox.com/base/latest/base.css' rel='stylesheet' />
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<link rel='stylesheet' href='./milfs/css/mapero.css' type='text/css' />
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<link rel="canonical" href="https://labs.mapbox.com/bites/00281/" >
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</head>
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<body>
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<div id="map"></div>
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<script>
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mapboxgl.accessToken = 'pk.eyJ1IjoiaHVtYW5vIiwiYSI6IlgyRTFNdFEifQ.OmQBXmcVg_zq-vMpr8P5vQ';
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var map = new mapboxgl.Map({
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container: 'map',
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style: 'mapbox://styles/mapbox/dark-v10',
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center: [-72, 4],
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zoom: 5
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});
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map.on('load', function () {
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map.addSource("addresses", {
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type: "geojson",
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data: 'http://localhost/tupali/archivos/74.geojson',
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cluster: true,
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clusterMaxZoom: 14, // Max zoom to cluster points on
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clusterRadius: 50 // Radius of each cluster when clustering points (defaults to 50)
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});
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/// estilos cluster
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map.addLayer({
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id: 'clusters',
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type: 'circle',
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source: 'addresses',
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filter: ['has', 'point_count'],
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paint: {
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// Use step expressions (https://docs.mapbox.com/mapbox-gl-js/style-spec/#expressions-step)
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// with three steps to implement three types of circles:
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// * Blue, 20px circles when point count is less than 100
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// * Yellow, 30px circles when point count is between 100 and 750
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// * Pink, 40px circles when point count is greater than or equal to 750
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'circle-color': [
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'step', ['get', 'point_count'],
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'#51bbd6',
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100,
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'#f1f075',
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750,
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'#f28cb1'
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],
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'circle-radius': [
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'step', ['get', 'point_count'],
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20,
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100,
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30,
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750,
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40
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]
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}
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});
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map.addLayer({
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id: 'cluster-count',
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type: 'symbol',
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source: 'addresses',
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filter: ['has', 'point_count'],
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layout: {
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'text-field': '{point_count_abbreviated}',
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'text-font': ['DIN Offc Pro Medium', 'Arial Unicode MS Bold'],
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'text-size': 12
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}
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});
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map.addLayer({
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id: 'unclustered-point',
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type: 'circle',
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source: 'addresses',
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filter: ['!', ['has', 'point_count']],
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paint: {
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'circle-color': '#11b4da',
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'circle-radius': 4,
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'circle-stroke-width': 1,
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'circle-stroke-color': '#fff'
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}
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});
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/// estilos cluster
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// inspect a cluster on click
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map.on('click', 'clusters', function (e) {
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var features = map.queryRenderedFeatures(e.point, {
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layers: ['clusters']
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});
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var clusterId = features[0].properties.cluster_id;
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map.getSource('addresses').getClusterExpansionZoom(
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clusterId,
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function (err, zoom) {
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if (err) return;
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map.easeTo({
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center: features[0].geometry.coordinates,
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zoom: zoom
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});
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}
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);
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});
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2020-05-15 23:37:30 +00:00
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2020-05-14 14:07:46 +00:00
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// When a click event occurs on a feature in
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// the unclustered-point layer, open a popup at
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// the location of the feature, with
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// description HTML from its properties.
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2020-05-15 23:37:30 +00:00
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2020-05-14 14:07:46 +00:00
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// Store IDs and cluster/marker HTMLElements
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const markers = new Map();
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function updateMarkers(){
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const features = map.querySourceFeatures('addresses');
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const keepMarkers = [];
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for (let i = 0; i < features.length; i++) {
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const coords = features[ i ].geometry.coordinates;
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const props = features[ i ].properties;
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const icono = features[ i ].properties.imagen;
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const descripcion = features[ i ].properties.description;
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2020-05-14 14:07:46 +00:00
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const featureID = features[ i ].properties.control;
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const clusterID = props.cluster_id || null;
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if (props.cluster && markers.has('cluster_'+clusterID)) {
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//Cluster marker is already on screen
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keepMarkers.push('cluster_'+clusterID);
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} else if (props.cluster) {
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//This feature is clustered, create an icon for it and use props.point_count for its count
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/*
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var el = document.createElement('div');
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el.className = 'mapCluster';
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el.style.width = '60px';
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el.style.height = '60px';
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el.style.textAlign = 'center';
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el.style.color = 'white';
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el.style.background = '#16d3f9';
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el.style.borderRadius = '50%';
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el.innerText = props.point_count;
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const marker = new mapboxgl.Marker(el).setLngLat(coords);
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marker.addTo(map);
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keepMarkers.push('cluster_'+featureID);
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markers.set('cluster_'+clusterID,el);
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*/
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} else if (markers.has(featureID)) {
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//Feature marker is already on screen
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keepMarkers.push(featureID);
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} else {
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//Feature is not clustered and has not been created, create an icon for it
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const el = new Image();
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// el.style.backgroundImage = 'url(https://placekitten.com/g/50/50)';
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el.style.backgroundImage = 'url('+icono+')';
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el.className = 'mapMarker';
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el.style.width = '50px';
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el.style.height = '50px';
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// el.style.borderRadius = '50%';
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el.dataset.type = props.type;
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el.addEventListener('click', function() {
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2020-05-15 23:37:30 +00:00
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// window.alert("Hola mundo");
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2020-05-14 14:07:46 +00:00
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2020-05-15 23:37:30 +00:00
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var popup = new mapboxgl.Popup({ closeOnClick: false })
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2020-05-14 14:07:46 +00:00
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.setLngLat(coords)
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2020-05-15 23:37:30 +00:00
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//.setHTML(descripcion)
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2020-05-14 14:07:46 +00:00
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.setHTML(descripcion)
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.addTo(map);
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});
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const marker = new mapboxgl.Marker(el).setLngLat(coords);
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marker.addTo(map);
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keepMarkers.push(featureID);
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markers.set(featureID,el);
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}
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}
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//Let's clean-up any old markers. Loop through all markers
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markers.forEach((value,key,map) => {
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//If marker exists but is not in the keep array
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if (keepMarkers.indexOf(key) === -1) {
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console.log('deleting key: '+key);
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//Remove it from the page
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value.remove();
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//Remove it from markers map
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map.delete(key);
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}
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});
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};
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map.on('data', function (e) {
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if (e.sourceId !== 'addresses' || !e.isSourceLoaded) return;
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map.on('moveend', updateMarkers); // moveend also fires on zoomend
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updateMarkers();
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});
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map.on('mouseenter', 'clusters', function () {
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map.getCanvas().style.cursor = 'pointer';
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});
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map.on('mouseleave', 'clusters', function () {
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map.getCanvas().style.cursor = '';
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});
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});
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</script>
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</body>
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</html>
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