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Created April 2, 2014 20:46
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get map extent as static image with bounding box vector
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>Leaflet Image</title>
<meta name='viewport' content='width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no' />
<script src='https://api.tiles.mapbox.com/mapbox.js/v1.6.2/mapbox.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox.js/v1.6.2/mapbox.css' rel='stylesheet' />
<style>
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
#snap {position: absolute; bottom: 10px; left: 10px; z-index: 99;}
#extentMap {width:300px;height:200px;position:absolute;z-index:98;top:10px;right:10px;}
</style>
</head>
<body>
<script src='//api.tiles.mapbox.com/mapbox.js/plugins/leaflet-image/v0.0.3/leaflet-image.js'></script>
<button id='snap' onClick='doImage()'>Map Snapshot</button>
<div id='map' style='width: 70%;'></div>
<div id='extentMap'></div>
<script type="text/javascript">
var map = L.mapbox.map('map', 'faraday2.hi7p6kfl', {
center: [44.5, -73.2],
zoom: 12
});
function doImage() {
var extentMap = L.mapbox.map('extentMap', 'faraday2.hi7p6kfl', {
zoomControl: false,
infoControl: false,
keyboard: false,
center: map.getCenter(),
zoom: map.getZoom() - 2
});
extentMap.dragging.disable();
extentMap.touchZoom.disable();
extentMap.doubleClickZoom.disable();
extentMap.scrollWheelZoom.disable();
if (extentMap.tap) extentMap.tap.disable();
console.log(map.getBounds()._northEast.lat);
var extentPoly = {
"type": "Feature",
"properties": {
"name": "viewport"
},
"geometry": {
"type": "Polygon",
"coordinates": [[
[ map.getBounds()._northEast.lng, map.getBounds()._northEast.lat ],
[ map.getBounds()._northEast.lng, map.getBounds()._southWest.lat ],
[ map.getBounds()._southWest.lng, map.getBounds()._southWest.lat ],
[ map.getBounds()._southWest.lng, map.getBounds()._northEast.lat ],
[ map.getBounds()._northEast.lng, map.getBounds()._northEast.lat ]
]]
}
};
console.log(extentPoly);
L.geoJson(extentPoly, {
style: function (feature) {
return {
color: '#49ada6',
weight: 3,
fillColor: '#e9d362',
opacity: 0.8,
fillOpacity: 0.3,
clickable: false
};
}
}).addTo(extentMap);
}
</script>
</body>
</html>
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