FOAM API Example - Leaflet
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FOAM API Example - Leaflet
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| license: mit |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset='utf-8' /> | |
| <title>FOAM API Example - Leaflet</title> | |
| <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet/v0.7.7/leaflet.css" /> | |
| <script src="http://cdn.leafletjs.com/leaflet/v0.7.7/leaflet.js"></script> | |
| <script src="https://unpkg.com/axios/dist/axios.min.js"></script> | |
| <script src="https://cdn.jsdelivr.net/npm/latlon-geohash@1.1.0/latlon-geohash.min.js"></script> | |
| <style> | |
| body { margin:0; padding:0; } | |
| #map { position:absolute; top:0; bottom:0; width:100%; } | |
| </style> | |
| </head> | |
| <body> | |
| <div id='map'></div> | |
| <script> | |
| //see this in action: http://bl.ocks.org/FergusDevelopmentLLC/3b3fd8491b3df85e40d6e0d4b9911493 | |
| //get bounding box: http://bboxfinder.com | |
| let mapBounds = [ | |
| [39.580819,-105.154953], //Southwest corner | |
| [39.941857,-104.646835] //Northeast corner | |
| ]; | |
| //create a Leaflet map, assign it to map div, fit it to maxBounds | |
| let map = L.map('map').fitBounds(mapBounds); | |
| //add basemap | |
| //check out more basemaps here: http://leaflet-extras.github.io/leaflet-providers/preview/ | |
| let tiles = L.tileLayer('https://stamen-tiles-{s}.a.ssl.fastly.net/terrain/{z}/{x}/{y}.{ext}', { | |
| attribution: 'Map tiles by <a href="http://stamen.com">Stamen Design</a>, <a href="http://creativecommons.org/licenses/by/3.0">CC BY 3.0</a> — Map data © <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>', | |
| subdomains: 'abcd', | |
| minZoom: 0, | |
| maxZoom: 18, | |
| ext: 'png' | |
| }).addTo(map); | |
| let url = 'https://map-api-direct.foam.space:443/poi/map?swLon=' + mapBounds[0][1] + '&swLat=' + mapBounds[0][0] + '&nwLon=' + mapBounds[1][1] + '&nwLat=' + mapBounds[1][0]; | |
| axios.get(url) | |
| .then((response) => { | |
| let beacons = response.data; | |
| //for each beacon in the response from FOAM api | |
| for (beacon in beacons) { | |
| //decode the beaconGeoHash value to lat, lon | |
| //https://github.com/chrisveness/latlon-geohash | |
| let decodedLatLng = Geohash.decode(beacons[beacon].geohash); | |
| //use decoded lat/lon to create Markers for map | |
| let latlng = L.latLng({ lat: decodedLatLng.lat, lng: decodedLatLng.lon }); | |
| let marker = L.marker(latlng).addTo(map); | |
| } | |
| }, | |
| (error) => { | |
| let status = error.response.status | |
| } | |
| ); | |
| </script> | |
| </body> |
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