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@stevage stevage/.block
Last active May 5, 2017

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Melbourne canopy 2014-16
license: mit
<!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/v0.37.0/mapbox-gl.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.37.0/mapbox-gl.css' rel='stylesheet' />
<style>
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
</style>
</head>
<body>
<style>
.map-overlay {
font: 12px/20px 'Helvetica Neue', Arial, Helvetica, sans-serif;
position: absolute;
width: 25%;
top: 0;
left: 0;
padding: 10px;
}
.map-overlay .map-overlay-inner {
background-color: #fff;
box-shadow:0 1px 2px rgba(0, 0, 0, 0.20);
border-radius: 3px;
padding: 10px;
margin-bottom: 10px;
}
.map-overlay h2 {
line-height: 24px;
display: block;
margin: 0 0 10px;
}
.map-overlay .legend .bar {
height: 10px;
width: 100%;
background: linear-gradient(to right, #FCA107, #7F3121);
}
.map-overlay input {
background-color: transparent;
display: inline-block;
width: 100%;
position: relative;
margin: 0;
cursor: ew-resize;
}
</style>
<div id='map'></div>
<div class='map-overlay top'>
<div class='map-overlay-inner'>
<h2>Canopy by year</h2>
<label id='year'></label>
<input id='slider' type='range' min='2014' max='2016' step='1' value='2014' />
</div>
</div>
<script src='//d3js.org/d3.v3.min.js' charset='utf-8'></script>
<script>
mapboxgl.accessToken = 'pk.eyJ1IjoiY2l0eW9mbWVsYm91cm5lIiwiYSI6ImNpejdob2J0czAwOWQzM21ubGt6MDVqaHoifQ.55YbqeTHWMK_b6CEAmoUlA';
var map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/cityofmelbourne/cj2bj51vd00252rs5nvdox5w9?update=1',
center: [144.96,-37.8],
zoom: 15.5
});
var years = [ 2014,2015,2016 ];
var curYear = 2016;
function filterBy(year) {
map.setLayoutProperty('canopies-' + year, 'visibility','visible');
map.setLayoutProperty('canopies-' + curYear, 'visibility', 'none');
curYear = year;
document.getElementById('year').textContent = curYear;
}
map.on('load', function() {
document.getElementById('slider').addEventListener('input', function(e) {
var year = parseInt(e.target.value, 10);
filterBy(year);
});
});
</script>
</body>
</html>
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