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wboykinm/index.html

Created July 8, 2016 02:34
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Simple swipe example using mapwarper source
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<style>
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
</style>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.mapbox.com/mapbox.js/v2.4.0/mapbox.js'></script>
<link href='https://api.mapbox.com/mapbox.js/v2.4.0/mapbox.css' rel='stylesheet' />
</head>
<body>
<style>
.range {
position:absolute;
width:100%;
}
.leaflet-top .leaflet-control-zoom {
top:20px;
}
</style>
<div id='map'></div>
<input id='range' class='range' type='range' min='0' max='1.0' step='any' />
<script>
L.mapbox.accessToken = 'pk.eyJ1IjoiZmFyYWRheTIiLCJhIjoiTUVHbDl5OCJ9.buFaqIdaIM3iXr1BOYKpsQ';
var map = L.mapbox.map('map');
L.mapbox.tileLayer('mapbox.outdoors').addTo(map);
var overlay = L.tileLayer('http://mapwarper.net/layers/tile/572/{z}/{x}/{y}.png').addTo(map);
var range = document.getElementById('range');
function clip() {
var nw = map.containerPointToLayerPoint([0, 0]),
se = map.containerPointToLayerPoint(map.getSize()),
clipX = nw.x + (se.x - nw.x) * range.value;
overlay.getContainer().style.clip = 'rect(' + [nw.y, clipX, se.y, nw.x].join('px,') + 'px)';
}
range['oninput' in range ? 'oninput' : 'onchange'] = clip;
map.on('move', clip);
map.setView([44.48,-73.212], 16);
clip();
</script>
</body>
</html>
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