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Sample Leaflet with GeoJSON
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| <html> | |
| <head> | |
| <title>A Leaflet map!</title> | |
| <link rel="stylesheet" href="https://unpkg.com/[email protected]/dist/leaflet.css" integrity="sha512-xodZBNTC5n17Xt2atTPuE1HxjVMSvLVW9ocqUKLsCC5CXdbqCmblAshOMAS6/keqq/sMZMZ19scR4PsZChSR7A==" crossorigin="" /> | |
| <script src="https://unpkg.com/[email protected]/dist/leaflet.js" integrity="sha512-XQoYMqMTK8LvdxXYG3nZ448hOEQiglfqkJs1NOQV44cWnUrBc8PkAOcXy20w0vlaXaVUearIOBhiXZ5V3ynxwA==" crossorigin=""></script> | |
| <style> | |
| #map{ height: 100% } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="map"></div> | |
| <script> | |
| // initialize the map | |
| var map = L.map('map').setView([42.35, -71.08], 3); | |
| // load a tile layer | |
| L.tileLayer('http://tiles.mapc.org/basemap/{z}/{x}/{y}.png', | |
| { | |
| attribution: 'Tiles by <a href="http://mapc.org">MAPC</a>, Data by <a href="http://mass.gov/mgis">MassGIS</a>', | |
| maxZoom: 17, | |
| minZoom: 9 | |
| }).addTo(map); | |
| // load GeoJSON from an external file | |
| fetch("countries.geojson").then(res => res.json()).then(data => { | |
| // add GeoJSON layer to the map once the file is loaded | |
| L.geoJson(data).addTo(map); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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