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Palu Post/Pre high resolution imagery comparison - Thanks to Digitalglobe
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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' /> | |
| <link href="https://api.mapbox.com/mapbox-assembly/v0.16.0/assembly.min.css" rel="stylesheet"> | |
| <link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.49.0/mapbox-gl.css' rel='stylesheet' /> | |
| <link href='https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-compare/v0.1.0/mapbox-gl-compare.css' rel='stylesheet' /> | |
| <style> | |
| body { margin:0; padding:0; } | |
| #map { position:absolute; top:0; bottom:0; width:100%; } | |
| </style> | |
| </head> | |
| <body> | |
| <style> | |
| body { | |
| overflow: hidden; | |
| } | |
| body * { | |
| -webkit-touch-callout: none; | |
| -webkit-user-select: none; | |
| -moz-user-select: none; | |
| -ms-user-select: none; | |
| user-select: none; | |
| } | |
| .map { | |
| position: absolute; | |
| top: 0; | |
| bottom: 0; | |
| width: 100%; | |
| } | |
| .left { | |
| position: absolute; | |
| top: 0; | |
| left: 0; | |
| } | |
| .right { | |
| position: absolute; | |
| top: 0; | |
| right: 0; | |
| } | |
| .left, .right { | |
| z-index: 10; | |
| padding: 5px; | |
| width: auto; | |
| height: auto; | |
| font-size: 14px; | |
| color: #000; | |
| background-color: rgba(255, 255, 255, .5); | |
| } | |
| .zoom-info { | |
| z-index: 10; | |
| position: absolute; | |
| bottom: 0; | |
| right: 0; | |
| padding: 0 5px; | |
| width: auto; | |
| height: auto; | |
| font-size: 18px; | |
| color: #000; | |
| background-color: rgba(255, 255, 255, .5); | |
| } | |
| </style> | |
| <script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.49.0/mapbox-gl.js'></script> | |
| <script src='https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-compare/v0.1.0/mapbox-gl-compare.js'></script> | |
| <script async defer src="https://api.mapbox.com/mapbox-assembly/v0.16.0/assembly.js"></script> | |
| <script src='https://npmcdn.com/@turf/[email protected]/turf.min.js'></script> | |
| <script src="https://code.jquery.com/jquery-3.2.1.min.js"></script> | |
| <div id='left' class='map'></div> | |
| <div id='right' class='map'></div> | |
| <div class='left'></div> | |
| <div class='right'></div> | |
| <div class='middle-load'></div> | |
| <script> | |
| const updateHistory = (params) => { | |
| const str = []; | |
| Object.keys(params).forEach(key => { | |
| str.push(`${key}=${params[key]}`); | |
| }); | |
| const newUrl = `${window.location.origin}/index.html?${str.join('&')}${window.location.hash}` | |
| window.history.replaceState( {} , '', newUrl ); | |
| return; | |
| }; | |
| mapboxgl.accessToken = 'pk.eyJ1IjoidmluY2VudHNhcmFnbyIsImEiOiJjamxwa3JkaWkwZ3BjM3dudmZmazQwYjI2In0.eUzks_hqH-QVIlnXUKmKsA'; | |
| let center; | |
| let zoom; | |
| if (window.location.hash !== '') { | |
| const hash = window.location.hash.replace('#', '').split('/'); | |
| zoom = parseFloat(hash[0]); | |
| center = [ parseFloat(hash[1]), parseFloat(hash[2]) ]; | |
| } else { | |
| center = [119.855,-0.886]; | |
| zoom = 15; | |
| } | |
| var leftMap = new mapboxgl.Map({ | |
| container: 'left', | |
| style: { version: 8, sources: {}, layers: [] }, | |
| center: center, | |
| attributionControl : true, | |
| zoom: zoom | |
| }); | |
| var rightMap = new mapboxgl.Map({ | |
| container: 'right', | |
| style: { version: 8, sources: {}, layers: [] }, | |
| center: center, | |
| attributionControl : false, | |
| zoom: zoom | |
| }); | |
| rightMap.on('load', () => { | |
| $.ajax({ | |
| type: 'GET', | |
| url: 'https://gist.githubusercontent.com/vincentsarago/e06e8096bf490b1ec2009cbb9d70cb36/raw/' | |
| }).done((data) => { | |
| rightMap.addSource('gist', { | |
| 'type': 'geojson', | |
| 'data': JSON.parse(data) | |
| }); | |
| rightMap.addLayer({ | |
| 'id': 'gist-polygon', | |
| 'type': 'line', | |
| 'source': 'gist', | |
| 'layout': { | |
| 'line-cap': 'round', | |
| 'line-join': 'round' | |
| }, | |
| 'paint': { | |
| 'line-color': '#3bb2d0', | |
| 'line-width': 2 | |
| } | |
| }); | |
| leftMap.addSource('gist', { | |
| 'type': 'geojson', | |
| 'data': JSON.parse(data) | |
| }); | |
| leftMap.addLayer({ | |
| 'id': 'gist-polygon', | |
| 'type': 'line', | |
| 'source': 'gist', | |
| 'layout': { | |
| 'line-cap': 'round', | |
| 'line-join': 'round' | |
| }, | |
| 'paint': { | |
| 'line-color': '#3bb2d0', | |
| 'line-width': 2 | |
| } | |
| }); | |
| }); | |
| leftMap.addSource('pre', { | |
| type: 'raster', | |
| url: 'mapbox://mapbox.satellite' | |
| }); | |
| leftMap.addLayer({ | |
| id: 'pre', | |
| type: 'raster', | |
| source: 'pre', | |
| }); | |
| $('.left').append(`<span>Pre Event</span>`); | |
| rightMap.addSource('post', { | |
| type: 'raster', | |
| tiles: [ | |
| `https://a.tiles.mapbox.com/v4/mapboxsatellite.dg_post_palu_tsunami/{z}/{x}/{y}@2x.jpg?access_token=${mapboxgl.accessToken}`, | |
| `https://b.tiles.mapbox.com/v4/mapboxsatellite.dg_post_palu_tsunami/{z}/{x}/{y}@2x.jpg?access_token=${mapboxgl.accessToken}`, | |
| `https://c.tiles.mapbox.com/v4/mapboxsatellite.dg_post_palu_tsunami/{z}/{x}/{y}@2x.jpg?access_token=${mapboxgl.accessToken}` | |
| ], | |
| tileSize: 512, | |
| bounds: [119.5751953125, -1.142502403706165, 120.0146484375, -0.5273363048115169], | |
| minzoom: 13, | |
| maxzoom: 18 | |
| }); | |
| rightMap.addLayer({ | |
| id: 'post', | |
| type: 'raster', | |
| source: 'post', | |
| }); | |
| $('.right').append(`<span>DG Post Event</span>`); | |
| }); | |
| rightMap.on('moveend', () => { | |
| const zoom = rightMap.getZoom().toString().slice(0,3); | |
| const ll = rightMap.getCenter(); | |
| const lon = ll.lng.toString().slice(0,7); | |
| const lat = ll.lat.toString().slice(0,6); | |
| const hash = `#${zoom}/${lon}/${lat}`; | |
| window.location.hash = hash; | |
| }); | |
| var map = new mapboxgl.Compare(leftMap, rightMap, {}); | |
| </script> | |
| </body> | |
| </html> |
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