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March 17, 2017 19:37
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raster tiles with transparency on a GL map
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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/v0.21.0/mapbox-gl.js'></script> | |
| <link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.21.0/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.eyJ1IjoiZGFuc3dpY2siLCJhIjoiY2l1dTUzcmgxMDJ0djJ0b2VhY2sxNXBiMyJ9.25Qs4HNEkHubd4_Awbd8Og'; | |
| var map = new mapboxgl.Map({ | |
| container: 'map', // container id | |
| style: 'mapbox://styles/mapbox/streets-v8', //stylesheet location | |
| center: [-77.03231961893081,38.90446065122157], // starting position | |
| zoom: 14 // starting zoom | |
| }); | |
| map.on('load', function(){ | |
| map.addSource('raster-tiles', { | |
| type: "raster", | |
| tiles: [ | |
| "https://api.mapbox.com/v4/examples.bike-locations/{z}/{x}/{y}@2x.png?access_token=" + mapboxgl.accessToken | |
| ], | |
| tileSize: 256 | |
| }); | |
| map.addLayer({ | |
| 'id': 'bike-locations', | |
| 'type': 'raster', | |
| 'source': 'raster-tiles' | |
| // The ID of an existing layer to insert the new layer before. If this argument is omitted, the layer will be inserted before every existing layer. | |
| }, 'place-neighbourhood') | |
| }) | |
| </script> | |
| </body> | |
| </html> |
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