Created
January 10, 2017 17:04
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Hillshade opacity slider for terrain style
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <title>GL Style Package Preview</title> | |
| <link rel="stylesheet" type="text/css" href="https://api.mapbox.com/mapbox-gl-js/v0.28.0/mapbox-gl.css" /> | |
| <script src="https://api.mapbox.com/mapbox-gl-js/v0.28.0/mapbox-gl.js"></script> | |
| <style> | |
| html, body, #map {width:100%; height:100%; margin:0; padding:0;} | |
| #slider-box { position: absolute; top:10px; right:70px; z-index:100; padding: 10px; background-color: rgba(255,255,255,0.8);} | |
| #slider {outline: none;} | |
| </style> | |
| </head> | |
| <body> | |
| <div id='map'></div> | |
| <div id="slider-box"> | |
| <input id="slider" type ="range" min ="0" max="1.0" step ="0.05" value ="0.2" /> | |
| </div> | |
| <script> | |
| var map = new mapboxgl.Map({ | |
| container: 'map', | |
| style: 'https://rawgit.com/openmaptiles/klokantech-terrain-gl-style/master/style.json', | |
| attributionControl: true, | |
| hash: true | |
| }); | |
| map.addControl(new mapboxgl.NavigationControl()); | |
| var slider = document.getElementById('slider'); | |
| map.on('load', function() { | |
| slider.addEventListener('input', function(e) { | |
| var opacity = parseFloat(e.target.value, 10); | |
| map.setPaintProperty('hillshading', 'raster-opacity', opacity); | |
| }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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