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Cluster symbols
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset='utf-8' /> | |
| <title></title> | |
| <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' /> | |
| <script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.40.1/mapbox-gl.js'></script> | |
| <link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.40.1/mapbox-gl.css' rel='stylesheet' /> | |
| <style> | |
| body { margin:0; padding:0; } | |
| #map { position:absolute; top:0; bottom:0; width:100%; } | |
| </style> | |
| </head> | |
| <body> | |
| <div id='map'></div> | |
| <script> | |
| mapboxgl.accessToken = 'pk.eyJ1IjoibWFsLXdvb2QiLCJhIjoiY2oyZ2t2em50MDAyMzJ3cnltMDFhb2NzdiJ9.X-D4Wvo5E5QxeP7K_I3O8w'; | |
| var map = new mapboxgl.Map({ | |
| container: 'map', | |
| style: 'mapbox://styles/mapbox/dark-v9', | |
| center: [-103.59179687498357, 40.66995747013945], | |
| zoom: 3 | |
| }); | |
| map.on('load', function() { | |
| map.addSource("baseball-parks", { | |
| type: "geojson", | |
| data: "./baseball-parks.geojson", | |
| cluster: true, | |
| clusterMaxZoom: 14, | |
| clusterRadius: 50 | |
| }); | |
| map.addLayer({ | |
| id: "clusters", | |
| type: "symbol", | |
| source: "baseball-parks", | |
| filter: ["has", "point_count"], | |
| layout: { | |
| "icon-image": "stadium-15", | |
| "text-field": "{point_count_abbreviated}", | |
| "text-font": ["DIN Offc Pro Medium", "Arial Unicode MS Bold"], | |
| "text-size": 12, | |
| "text-anchor": "top", | |
| "text-line-height": 2.2 | |
| }, | |
| paint: { | |
| "text-color": "#8fc8f6" | |
| } | |
| }); | |
| map.addLayer({ | |
| id: "unclustered-point", | |
| type: "circle", | |
| source: "baseball-parks", | |
| filter: ["!has", "point_count"], | |
| paint: { | |
| "circle-color": "#8fc8f6", | |
| "circle-radius": 10, | |
| "circle-stroke-color": "#fff" | |
| } | |
| }); | |
| map.on('click', 'unclustered-point', function (e) { | |
| console.log(e) | |
| var coordinates = e.features[0].geometry.coordinates.slice(); | |
| var ballpark = e.features[0].properties.Ballpark; | |
| while (Math.abs(e.lngLat.lng - coordinates[0]) > 180) { | |
| coordinates[0] += e.lngLat.lng > coordinates[0] ? 360 : -360; | |
| } | |
| new mapboxgl.Popup() | |
| .setLngLat(coordinates) | |
| .setHTML(ballpark) | |
| .addTo(map); | |
| }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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